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gtk2/gtk/gtkwindow.c
Matthias Clasen 2a18f2150d window: Make set_focus equal to grab_focus 
Make gtk_window_set_focus call gtk_widget_grab_focus internally.
This means that set_focus can now end up putting the focus on
a child of the passed-in widget, and makes the focus-widget
property work for setting initial focus to (the child of) an
entry in a ui file.
2020-04-09 17:50:28 -04:00

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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include "gtkwindowprivate.h"
#include "gtkaccelgroupprivate.h"
#include "gtkapplicationprivate.h"
#include "gtkbox.h"
#include "gtkbuildable.h"
#include "gtkbuilderprivate.h"
#include "gtkbutton.h"
#include "gtkcheckbutton.h"
#include "gtkcontainerprivate.h"
#include "gtkcsscornervalueprivate.h"
#include "gtkcssiconthemevalueprivate.h"
#include "gtkcsscolorvalueprivate.h"
#include "gtkcssshadowvalueprivate.h"
#include "gtkcssstylepropertyprivate.h"
#include "gtkdroptargetasync.h"
#include "gtkeventcontrollerfocus.h"
#include "gtkeventcontrollerkey.h"
#include "gtkeventcontrollermotion.h"
#include "gtkgesturedrag.h"
#include "gtkgestureclick.h"
#include "gtkgestureprivate.h"
#include "gtkheaderbarprivate.h"
#include "gtkicontheme.h"
#include "gtkintl.h"
#include "gtkmain.h"
#include "gtkmarshalers.h"
#include "gtkmessagedialog.h"
#include "gtkpointerfocusprivate.h"
#include "gtkpopovermenuprivate.h"
#include "gtkmodelbuttonprivate.h"
#include "gtkseparator.h"
#include "gtkprivate.h"
#include "gtkroot.h"
#include "gtknative.h"
#include "gtksettings.h"
#include "gtkshortcut.h"
#include "gtkshortcutcontroller.h"
#include "gtkshortcutmanager.h"
#include "gtkshortcuttrigger.h"
#include "gtksnapshot.h"
#include "gtkstylecontextprivate.h"
#include "gtktypebuiltins.h"
#include "gtkwidgetprivate.h"
#include "gtkwindowgroup.h"
#include "gtkpopovermenubarprivate.h"
#include "gtkcssboxesimplprivate.h"
#include "a11y/gtkwindowaccessibleprivate.h"
#include "a11y/gtkcontaineraccessibleprivate.h"
#include "inspector/window.h"
#include "gdk/gdktextureprivate.h"
#include "gdk/gdk-private.h"
#include "gdk/gdkprofilerprivate.h"
#include <cairo-gobject.h>
#include <errno.h>
#include <graphene.h>
#include <limits.h>
#include <string.h>
#include <stdlib.h>
#ifdef GDK_WINDOWING_X11
#include "x11/gdkx.h"
#endif
#ifdef GDK_WINDOWING_WIN32
#include "win32/gdkwin32.h"
#endif
#ifdef GDK_WINDOWING_WAYLAND
#include "wayland/gdkwayland.h"
#endif
#ifdef GDK_WINDOWING_BROADWAY
#include "broadway/gdkbroadway.h"
#endif
/**
* SECTION:gtkwindow
* @title: GtkWindow
* @short_description: Toplevel which can contain other widgets
*
* A GtkWindow is a toplevel window which can contain other widgets.
* Windows normally have decorations that are under the control
* of the windowing system and allow the user to manipulate the window
* (resize it, move it, close it,...).
*
* # GtkWindow as GtkBuildable
*
* The GtkWindow implementation of the #GtkBuildable interface supports a
* custom <accel-groups> element, which supports any number of <group>
* elements representing the #GtkAccelGroup objects you want to add to
* your window (synonymous with gtk_window_add_accel_group().
*
* An example of a UI definition fragment with accel groups:
* |[
* <object class="GtkWindow">
* <accel-groups>
* <group name="accelgroup1"/>
* </accel-groups>
* </object>
*
* ...
*
* <object class="GtkAccelGroup" id="accelgroup1"/>
* ]|
*
* The GtkWindow implementation of the #GtkBuildable interface supports
* setting a child as the titlebar by specifying “titlebar” as the “type”
* attribute of a <child> element.
*
* # CSS nodes
*
* |[<!-- language="plain" -->
* window.background
* ├── decoration
* ├── <titlebar child>.titlebar [.default-decoration]
* ╰── <child>
* ]|
*
* GtkWindow has a main CSS node with name window and style class .background,
* and a subnode with name decoration.
*
* Style classes that are typically used with the main CSS node are .csd (when
* client-side decorations are in use), .solid-csd (for client-side decorations
* without invisible borders), .ssd (used by mutter when rendering server-side
* decorations). GtkWindow also represents window states with the following
* style classes on the main node: .tiled, .maximized, .fullscreen. Specialized
* types of window often add their own discriminating style classes, such as
* .popup or .tooltip.
*
* GtkWindow adds the .titlebar and .default-decoration style classes to the
* widget that is added as a titlebar child.
*/
#define MENU_BAR_ACCEL GDK_KEY_F10
#define RESIZE_HANDLE_SIZE 20
#define MNEMONICS_DELAY 300 /* ms */
#define NO_CONTENT_CHILD_NAT 200
/* In case the content (excluding header bar and shadows) of the window
* would be empty, either because there is no visible child widget or only an
* empty container widget, we use NO_CONTENT_CHILD_NAT as natural width/height
* instead.
*/
typedef struct
{
GtkWidget *attach_widget;
GtkWidget *default_widget;
GtkWidget *focus_widget;
GtkWindow *transient_parent;
GtkWindowGeometryInfo *geometry_info;
GtkWindowGroup *group;
GdkDisplay *display;
GtkApplication *application;
gchar *startup_id;
gchar *title;
guint keys_changed_handler;
guint32 initial_timestamp;
guint16 configure_request_count;
guint mnemonics_display_timeout_id;
gint scale;
gint title_height;
GtkWidget *title_box;
GtkWidget *titlebar;
GtkWidget *popup_menu;
GdkMonitor *initial_fullscreen_monitor;
guint edge_constraints;
GdkSurfaceState state;
/* The following flags are initially TRUE (before a window is mapped).
* They cause us to compute a configure request that involves
* default-only parameters. Once mapped, we set them to FALSE.
* Then we set them to TRUE again on unmap (for position)
* and on unrealize (for size).
*/
guint need_default_size : 1;
guint builder_visible : 1;
guint configure_notify_received : 1;
guint decorated : 1;
guint deletable : 1;
guint destroy_with_parent : 1;
guint fullscreen_initially : 1;
guint has_user_ref_count : 1;
guint minimize_initially : 1;
guint is_active : 1;
guint maximize_initially : 1;
guint mnemonics_visible : 1;
guint focus_visible : 1;
guint modal : 1;
guint resizable : 1;
guint transient_parent_group : 1;
guint gravity : 5; /* GdkGravity */
guint csd_requested : 1;
guint client_decorated : 1; /* Decorations drawn client-side */
guint use_client_shadow : 1; /* Decorations use client-side shadows */
guint maximized : 1;
guint fullscreen : 1;
guint tiled : 1;
guint hide_on_close : 1;
guint in_emit_close_request : 1;
GdkSurfaceTypeHint type_hint;
GtkGesture *click_gesture;
GtkGesture *drag_gesture;
GtkGesture *bubble_drag_gesture;
GtkEventController *key_controller;
GtkEventController *application_shortcut_controller;
GtkCssNode *decoration_node;
GdkSurface *surface;
GskRenderer *renderer;
cairo_region_t *extra_input_region;
GList *foci;
GtkConstraintSolver *constraint_solver;
GdkToplevelLayout *layout;
} GtkWindowPrivate;
enum {
SET_FOCUS,
ACTIVATE_FOCUS,
ACTIVATE_DEFAULT,
KEYS_CHANGED,
ENABLE_DEBUGGING,
CLOSE_REQUEST,
LAST_SIGNAL
};
enum {
PROP_0,
/* Normal Props */
PROP_TITLE,
PROP_RESIZABLE,
PROP_MODAL,
PROP_DEFAULT_WIDTH,
PROP_DEFAULT_HEIGHT,
PROP_DESTROY_WITH_PARENT,
PROP_HIDE_ON_CLOSE,
PROP_ICON_NAME,
PROP_DISPLAY,
PROP_DECORATED,
PROP_DELETABLE,
PROP_TRANSIENT_FOR,
PROP_APPLICATION,
PROP_DEFAULT_WIDGET,
PROP_FOCUS_WIDGET,
/* Readonly properties */
PROP_IS_ACTIVE,
/* Writeonly properties */
PROP_STARTUP_ID,
PROP_MNEMONICS_VISIBLE,
PROP_FOCUS_VISIBLE,
PROP_IS_MAXIMIZED,
LAST_ARG
};
static GParamSpec *window_props[LAST_ARG] = { NULL, };
/* Must be kept in sync with GdkSurfaceEdge ! */
typedef enum
{
GTK_WINDOW_REGION_EDGE_NW,
GTK_WINDOW_REGION_EDGE_N,
GTK_WINDOW_REGION_EDGE_NE,
GTK_WINDOW_REGION_EDGE_W,
GTK_WINDOW_REGION_EDGE_E,
GTK_WINDOW_REGION_EDGE_SW,
GTK_WINDOW_REGION_EDGE_S,
GTK_WINDOW_REGION_EDGE_SE,
GTK_WINDOW_REGION_CONTENT,
GTK_WINDOW_REGION_TITLE,
} GtkWindowRegion;
typedef struct
{
gchar *icon_name;
guint realized : 1;
guint using_default_icon : 1;
guint using_themed_icon : 1;
} GtkWindowIconInfo;
typedef struct {
GdkGeometry geometry; /* Last set of geometry hints we set */
GdkSurfaceHints flags;
GdkRectangle configure_request;
} GtkWindowLastGeometryInfo;
struct _GtkWindowGeometryInfo
{
/* from last gtk_window_resize () - if > 0, indicates that
* we should resize to this size.
*/
gint resize_width;
gint resize_height;
/* Default size - used only the FIRST time we map a window,
* only if > 0.
*/
gint default_width;
gint default_height;
GtkWindowLastGeometryInfo last;
};
static void gtk_window_constructed (GObject *object);
static void gtk_window_dispose (GObject *object);
static void gtk_window_finalize (GObject *object);
static void gtk_window_destroy (GtkWidget *widget);
static void gtk_window_show (GtkWidget *widget);
static void gtk_window_hide (GtkWidget *widget);
static void gtk_window_map (GtkWidget *widget);
static void gtk_window_unmap (GtkWidget *widget);
static void gtk_window_realize (GtkWidget *widget);
static void gtk_window_unrealize (GtkWidget *widget);
static void gtk_window_size_allocate (GtkWidget *widget,
int width,
int height,
int baseline);
static gboolean gtk_window_close_request (GtkWindow *window);
static void gtk_window_focus_in (GtkWidget *widget);
static void gtk_window_focus_out (GtkWidget *widget);
static gboolean gtk_window_key_pressed (GtkWidget *widget,
guint keyval,
guint keycode,
GdkModifierType state,
gpointer data);
static gboolean gtk_window_key_released (GtkWidget *widget,
guint keyval,
guint keycode,
GdkModifierType state,
gpointer data);
static void surface_state_changed (GtkWidget *widget);
static void surface_size_changed (GtkWidget *widget,
int width,
int height);
static gboolean surface_render (GdkSurface *surface,
cairo_region_t *region,
GtkWidget *widget);
static gboolean surface_event (GdkSurface *surface,
GdkEvent *event,
GtkWidget *widget);
static void gtk_window_remove (GtkContainer *container,
GtkWidget *widget);
static void gtk_window_forall (GtkContainer *container,
GtkCallback callback,
gpointer callback_data);
static gint gtk_window_focus (GtkWidget *widget,
GtkDirectionType direction);
static void gtk_window_move_focus (GtkWidget *widget,
GtkDirectionType dir);
static void gtk_window_real_activate_default (GtkWindow *window);
static void gtk_window_real_activate_focus (GtkWindow *window);
static void gtk_window_keys_changed (GtkWindow *window);
static gboolean gtk_window_enable_debugging (GtkWindow *window,
gboolean toggle);
static void gtk_window_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot);
static void gtk_window_unset_transient_for (GtkWindow *window);
static void gtk_window_transient_parent_realized (GtkWidget *parent,
GtkWidget *window);
static void gtk_window_transient_parent_unrealized (GtkWidget *parent,
GtkWidget *window);
static GtkWindowGeometryInfo* gtk_window_get_geometry_info (GtkWindow *window,
gboolean create);
static void gtk_window_move_resize (GtkWindow *window);
static gboolean gtk_window_compare_hints (GdkGeometry *geometry_a,
guint flags_a,
GdkGeometry *geometry_b,
guint flags_b);
static void gtk_window_constrain_size (GtkWindow *window,
GdkGeometry *geometry,
guint flags,
gint width,
gint height,
gint *new_width,
gint *new_height);
static void gtk_window_update_fixed_size (GtkWindow *window,
GdkGeometry *new_geometry,
gint new_width,
gint new_height);
static void gtk_window_compute_hints (GtkWindow *window,
GdkGeometry *new_geometry,
guint *new_flags);
static void gtk_window_compute_configure_request (GtkWindow *window,
GdkRectangle *request,
GdkGeometry *geometry,
guint *flags);
static void gtk_window_set_default_size_internal (GtkWindow *window,
gboolean change_width,
gint width,
gboolean change_height,
gint height);
static void update_themed_icon (GtkWindow *window);
static GList *icon_list_from_theme (GtkWindow *window,
const gchar *name);
static void gtk_window_realize_icon (GtkWindow *window);
static void gtk_window_unrealize_icon (GtkWindow *window);
static void update_window_buttons (GtkWindow *window);
static void get_shadow_width (GtkWindow *window,
GtkBorder *shadow_width);
static gboolean gtk_window_activate_menubar (GtkWidget *widget,
GVariant *args,
gpointer unused);
#ifdef GDK_WINDOWING_X11
static void gtk_window_on_theme_variant_changed (GtkSettings *settings,
GParamSpec *pspec,
GtkWindow *window);
#endif
static void gtk_window_set_theme_variant (GtkWindow *window);
static void gtk_window_activate_default_activate (GtkWidget *widget,
const char *action_name,
GVariant *parameter);
static void gtk_window_do_popup (GtkWindow *window,
GdkEventButton *event);
static void gtk_window_css_changed (GtkWidget *widget,
GtkCssStyleChange *change);
static void gtk_window_state_flags_changed (GtkWidget *widget,
GtkStateFlags previous_state);
static void _gtk_window_set_is_active (GtkWindow *window,
gboolean is_active);
static void gtk_window_present_toplevel (GtkWindow *window);
static void gtk_window_update_toplevel (GtkWindow *window);
static GdkToplevelLayout * gtk_window_compute_layout (GtkWindow *window,
int min_width,
int min_height);
static GListStore *toplevel_list = NULL;
static guint window_signals[LAST_SIGNAL] = { 0 };
static gchar *default_icon_name = NULL;
static gboolean disable_startup_notification = FALSE;
static GQuark quark_gtk_window_icon_info = 0;
static GtkBuildableIface *parent_buildable_iface;
static void gtk_window_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_window_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
/* GtkBuildable */
static void gtk_window_buildable_interface_init (GtkBuildableIface *iface);
static void gtk_window_buildable_add_child (GtkBuildable *buildable,
GtkBuilder *builder,
GObject *child,
const gchar *type);
static void gtk_window_buildable_set_buildable_property (GtkBuildable *buildable,
GtkBuilder *builder,
const gchar *name,
const GValue *value);
static void gtk_window_shortcut_manager_interface_init (GtkShortcutManagerInterface *iface);
/* GtkRoot */
static void gtk_window_root_interface_init (GtkRootInterface *iface);
static void gtk_window_native_interface_init (GtkNativeInterface *iface);
static void ensure_state_flag_backdrop (GtkWidget *widget);
static void unset_titlebar (GtkWindow *window);
static void on_titlebar_title_notify (GtkHeaderBar *titlebar,
GParamSpec *pspec,
GtkWindow *self);
static GtkWindowRegion get_active_region_type (GtkWindow *window,
gint x,
gint y);
G_DEFINE_TYPE_WITH_CODE (GtkWindow, gtk_window, GTK_TYPE_BIN,
G_ADD_PRIVATE (GtkWindow)
G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
gtk_window_buildable_interface_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_NATIVE,
gtk_window_native_interface_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_SHORTCUT_MANAGER,
gtk_window_shortcut_manager_interface_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_ROOT,
gtk_window_root_interface_init))
static void
add_tab_bindings (GtkWidgetClass *widget_class,
GdkModifierType modifiers,
GtkDirectionType direction)
{
GtkShortcut *shortcut;
shortcut = gtk_shortcut_new_with_arguments (
gtk_alternative_trigger_new (gtk_keyval_trigger_new (GDK_KEY_Tab, modifiers),
gtk_keyval_trigger_new (GDK_KEY_KP_Tab, modifiers)),
gtk_signal_action_new ("move-focus"),
"(i)", direction);
gtk_widget_class_add_shortcut (widget_class, shortcut);
g_object_unref (shortcut);
}
static void
add_arrow_bindings (GtkWidgetClass *widget_class,
guint keysym,
GtkDirectionType direction)
{
guint keypad_keysym = keysym - GDK_KEY_Left + GDK_KEY_KP_Left;
gtk_widget_class_add_binding_signal (widget_class, keysym, 0,
"move-focus",
"(i)",
direction);
gtk_widget_class_add_binding_signal (widget_class, keysym, GDK_CONTROL_MASK,
"move-focus",
"(i)",
direction);
gtk_widget_class_add_binding_signal (widget_class, keypad_keysym, 0,
"move-focus",
"(i)",
direction);
gtk_widget_class_add_binding_signal (widget_class, keypad_keysym, GDK_CONTROL_MASK,
"move-focus",
"(i)",
direction);
}
static guint32
extract_time_from_startup_id (const gchar* startup_id)
{
gchar *timestr = g_strrstr (startup_id, "_TIME");
guint32 retval = GDK_CURRENT_TIME;
if (timestr)
{
gchar *end;
guint32 timestamp;
/* Skip past the "_TIME" part */
timestr += 5;
end = NULL;
errno = 0;
timestamp = g_ascii_strtoull (timestr, &end, 0);
if (errno == 0 && end != timestr)
retval = timestamp;
}
return retval;
}
static gboolean
startup_id_is_fake (const gchar* startup_id)
{
return strncmp (startup_id, "_TIME", 5) == 0;
}
static void
gtk_window_measure (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
gboolean has_size_request = gtk_widget_has_size_request (widget);
int title_min_size = 0;
int title_nat_size = 0;
int child_min_size = 0;
int child_nat_size = 0;
GtkBorder window_border = { 0 };
if (priv->decorated && !priv->fullscreen)
{
get_shadow_width (window, &window_border);
if (orientation == GTK_ORIENTATION_HORIZONTAL)
for_size -= window_border.left + window_border.right;
else
for_size -= window_border.top + window_border.bottom;
if (priv->title_box != NULL &&
gtk_widget_get_visible (priv->title_box) &&
gtk_widget_get_child_visible (priv->title_box))
{
int size = for_size;
if (orientation == GTK_ORIENTATION_HORIZONTAL && for_size >= 0)
gtk_widget_measure (priv->title_box,
GTK_ORIENTATION_VERTICAL,
-1,
NULL, &size,
NULL, NULL);
gtk_widget_measure (priv->title_box,
orientation,
MAX (size, -1),
&title_min_size, &title_nat_size,
NULL, NULL);
}
}
if (child != NULL && gtk_widget_get_visible (child))
{
gtk_widget_measure (child,
orientation,
MAX (for_size, -1),
&child_min_size, &child_nat_size,
NULL, NULL);
if (child_nat_size == 0 && !has_size_request)
child_nat_size = NO_CONTENT_CHILD_NAT;
}
else if (!has_size_request)
{
child_nat_size = NO_CONTENT_CHILD_NAT;
}
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
title_min_size += window_border.left + window_border.right;
title_nat_size += window_border.left + window_border.right;
child_min_size += window_border.left + window_border.right;
child_nat_size += window_border.left + window_border.right;
*minimum = MAX (title_min_size, child_min_size);
*natural = MAX (title_nat_size, child_nat_size);
}
else
{
*minimum = title_min_size + child_min_size + window_border.top + window_border.bottom;
*natural = title_nat_size + child_nat_size + window_border.top + window_border.bottom;
}
}
static void
gtk_window_add (GtkContainer *container,
GtkWidget *child)
{
/* Insert the child's css node now at the end so the order wrt. decoration_node is correct */
gtk_css_node_insert_before (gtk_widget_get_css_node (GTK_WIDGET (container)),
gtk_widget_get_css_node (child),
NULL);
GTK_CONTAINER_CLASS (gtk_window_parent_class)->add (container, child);
}
static void
gtk_window_class_init (GtkWindowClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
quark_gtk_window_icon_info = g_quark_from_static_string ("gtk-window-icon-info");
if (toplevel_list == NULL)
toplevel_list = g_list_store_new (GTK_TYPE_WIDGET);
gobject_class->constructed = gtk_window_constructed;
gobject_class->dispose = gtk_window_dispose;
gobject_class->finalize = gtk_window_finalize;
gobject_class->set_property = gtk_window_set_property;
gobject_class->get_property = gtk_window_get_property;
widget_class->destroy = gtk_window_destroy;
widget_class->show = gtk_window_show;
widget_class->hide = gtk_window_hide;
widget_class->map = gtk_window_map;
widget_class->unmap = gtk_window_unmap;
widget_class->realize = gtk_window_realize;
widget_class->unrealize = gtk_window_unrealize;
widget_class->size_allocate = gtk_window_size_allocate;
widget_class->focus = gtk_window_focus;
widget_class->move_focus = gtk_window_move_focus;
widget_class->measure = gtk_window_measure;
widget_class->state_flags_changed = gtk_window_state_flags_changed;
widget_class->css_changed = gtk_window_css_changed;
widget_class->snapshot = gtk_window_snapshot;
container_class->add = gtk_window_add;
container_class->remove = gtk_window_remove;
container_class->forall = gtk_window_forall;
klass->activate_default = gtk_window_real_activate_default;
klass->activate_focus = gtk_window_real_activate_focus;
klass->keys_changed = gtk_window_keys_changed;
klass->enable_debugging = gtk_window_enable_debugging;
klass->close_request = gtk_window_close_request;
window_props[PROP_TITLE] =
g_param_spec_string ("title",
P_("Window Title"),
P_("The title of the window"),
NULL,
GTK_PARAM_READWRITE);
/**
* GtkWindow:startup-id:
*
* The :startup-id is a write-only property for setting window's
* startup notification identifier. See gtk_window_set_startup_id()
* for more details.
*/
window_props[PROP_STARTUP_ID] =
g_param_spec_string ("startup-id",
P_("Startup ID"),
P_("Unique startup identifier for the window used by startup-notification"),
NULL,
GTK_PARAM_WRITABLE);
window_props[PROP_RESIZABLE] =
g_param_spec_boolean ("resizable",
P_("Resizable"),
P_("If TRUE, users can resize the window"),
TRUE,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
window_props[PROP_MODAL] =
g_param_spec_boolean ("modal",
P_("Modal"),
P_("If TRUE, the window is modal (other windows are not usable while this one is up)"),
FALSE,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
window_props[PROP_DEFAULT_WIDTH] =
g_param_spec_int ("default-width",
P_("Default Width"),
P_("The default width of the window, used when initially showing the window"),
-1, G_MAXINT,
-1,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
window_props[PROP_DEFAULT_HEIGHT] =
g_param_spec_int ("default-height",
P_("Default Height"),
P_("The default height of the window, used when initially showing the window"),
-1, G_MAXINT,
-1,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
window_props[PROP_DESTROY_WITH_PARENT] =
g_param_spec_boolean ("destroy-with-parent",
P_("Destroy with Parent"),
P_("If this window should be destroyed when the parent is destroyed"),
FALSE,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
window_props[PROP_HIDE_ON_CLOSE] =
g_param_spec_boolean ("hide-on-close",
P_("Hide on close"),
P_("If this window should be hidden when the user clicks the close button"),
FALSE,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
/**
* GtkWindow:mnemonics-visible:
*
* Whether mnemonics are currently visible in this window.
*
* This property is maintained by GTK+ based on user input,
* and should not be set by applications.
*/
window_props[PROP_MNEMONICS_VISIBLE] =
g_param_spec_boolean ("mnemonics-visible",
P_("Mnemonics Visible"),
P_("Whether mnemonics are currently visible in this window"),
FALSE,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
/**
* GtkWindow:focus-visible:
*
* Whether 'focus rectangles' are currently visible in this window.
*
* This property is maintained by GTK+ based on user input
* and should not be set by applications.
*/
window_props[PROP_FOCUS_VISIBLE] =
g_param_spec_boolean ("focus-visible",
P_("Focus Visible"),
P_("Whether focus rectangles are currently visible in this window"),
TRUE,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
/**
* GtkWindow:icon-name:
*
* The :icon-name property specifies the name of the themed icon to
* use as the window icon. See #GtkIconTheme for more details.
*/
window_props[PROP_ICON_NAME] =
g_param_spec_string ("icon-name",
P_("Icon Name"),
P_("Name of the themed icon for this window"),
NULL,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
window_props[PROP_DISPLAY] =
g_param_spec_object ("display",
P_("Display"),
P_("The display that will display this window"),
GDK_TYPE_DISPLAY,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
window_props[PROP_IS_ACTIVE] =
g_param_spec_boolean ("is-active",
P_("Is Active"),
P_("Whether the toplevel is the current active window"),
FALSE,
GTK_PARAM_READABLE);
/**
* GtkWindow:decorated:
*
* Whether the window should be decorated by the window manager.
*/
window_props[PROP_DECORATED] =
g_param_spec_boolean ("decorated",
P_("Decorated"),
P_("Whether the window should be decorated by the window manager"),
TRUE,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
/**
* GtkWindow:deletable:
*
* Whether the window frame should have a close button.
*/
window_props[PROP_DELETABLE] =
g_param_spec_boolean ("deletable",
P_("Deletable"),
P_("Whether the window frame should have a close button"),
TRUE,
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY);
/**
* GtkWindow:transient-for:
*
* The transient parent of the window. See gtk_window_set_transient_for() for
* more details about transient windows.
*/
window_props[PROP_TRANSIENT_FOR] =
g_param_spec_object ("transient-for",
P_("Transient for Window"),
P_("The transient parent of the dialog"),
GTK_TYPE_WINDOW,
GTK_PARAM_READWRITE|G_PARAM_CONSTRUCT|G_PARAM_EXPLICIT_NOTIFY);
window_props[PROP_IS_MAXIMIZED] =
g_param_spec_boolean ("is-maximized",
P_("Is maximized"),
P_("Whether the window is maximized"),
FALSE,
GTK_PARAM_READABLE);
/**
* GtkWindow:application:
*
* The #GtkApplication associated with the window.
*
* The application will be kept alive for at least as long as it
* has any windows associated with it (see g_application_hold()
* for a way to keep it alive without windows).
*
* Normally, the connection between the application and the window
* will remain until the window is destroyed, but you can explicitly
* remove it by setting the :application property to %NULL.
*/
window_props[PROP_APPLICATION] =
g_param_spec_object ("application",
P_("GtkApplication"),
P_("The GtkApplication for the window"),
GTK_TYPE_APPLICATION,
GTK_PARAM_READWRITE|G_PARAM_STATIC_STRINGS|G_PARAM_EXPLICIT_NOTIFY);
window_props[PROP_DEFAULT_WIDGET] =
g_param_spec_object ("default-widget",
P_("Default widget"),
P_("The default widget"),
GTK_TYPE_WIDGET,
GTK_PARAM_READWRITE|G_PARAM_STATIC_STRINGS|G_PARAM_EXPLICIT_NOTIFY);
window_props[PROP_FOCUS_WIDGET] =
g_param_spec_object ("focus-widget",
P_("Focus widget"),
P_("The focus widget"),
GTK_TYPE_WIDGET,
GTK_PARAM_READWRITE|G_PARAM_STATIC_STRINGS|G_PARAM_EXPLICIT_NOTIFY);
g_object_class_install_properties (gobject_class, LAST_ARG, window_props);
/**
* GtkWindow::activate-focus:
* @window: the window which received the signal
*
* The ::activate-focus signal is a
* [keybinding signal][GtkBindingSignal]
* which gets emitted when the user activates the currently
* focused widget of @window.
*/
window_signals[ACTIVATE_FOCUS] =
g_signal_new (I_("activate-focus"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GtkWindowClass, activate_focus),
NULL, NULL,
NULL,
G_TYPE_NONE,
0);
/**
* GtkWindow::activate-default:
* @window: the window which received the signal
*
* The ::activate-default signal is a
* [keybinding signal][GtkBindingSignal]
* which gets emitted when the user activates the default widget
* of @window.
*/
window_signals[ACTIVATE_DEFAULT] =
g_signal_new (I_("activate-default"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GtkWindowClass, activate_default),
NULL, NULL,
NULL,
G_TYPE_NONE,
0);
/**
* GtkWindow::keys-changed:
* @window: the window which received the signal
*
* The ::keys-changed signal gets emitted when the set of accelerators
* or mnemonics that are associated with @window changes.
*/
window_signals[KEYS_CHANGED] =
g_signal_new (I_("keys-changed"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkWindowClass, keys_changed),
NULL, NULL,
NULL,
G_TYPE_NONE,
0);
/**
* GtkWindow::enable-debugging:
* @window: the window on which the signal is emitted
* @toggle: toggle the debugger
*
* The ::enable-debugging signal is a [keybinding signal][GtkBindingSignal]
* which gets emitted when the user enables or disables interactive
* debugging. When @toggle is %TRUE, interactive debugging is toggled
* on or off, when it is %FALSE, the debugger will be pointed at the
* widget under the pointer.
*
* The default bindings for this signal are Ctrl-Shift-I
* and Ctrl-Shift-D.
*
* Return: %TRUE if the key binding was handled
*/
window_signals[ENABLE_DEBUGGING] =
g_signal_new (I_("enable-debugging"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GtkWindowClass, enable_debugging),
NULL, NULL,
_gtk_marshal_BOOLEAN__BOOLEAN,
G_TYPE_BOOLEAN,
1, G_TYPE_BOOLEAN);
/**
* GtkWindow::close-request:
* @window: the window on which the signal is emitted
*
* The ::close-request signal is emitted when the user clicks on the close
* button of the window.
*
* Return: %TRUE to stop other handlers from being invoked for the signal
*/
window_signals[CLOSE_REQUEST] =
g_signal_new (I_("close-request"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkWindowClass, close_request),
_gtk_boolean_handled_accumulator, NULL,
NULL,
G_TYPE_BOOLEAN,
0);
/*
* Key bindings
*/
gtk_widget_class_install_action (widget_class, "default.activate", NULL,
gtk_window_activate_default_activate);
gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_space, 0,
"activate-focus", NULL);
gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_KP_Space, 0,
"activate-focus", NULL);
gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_Return, 0,
"activate-default", NULL);
gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_ISO_Enter, 0,
"activate-default", NULL);
gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_KP_Enter, 0,
"activate-default", NULL);
gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_I, GDK_CONTROL_MASK|GDK_SHIFT_MASK,
"enable-debugging", "(b)", FALSE);
gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_D, GDK_CONTROL_MASK|GDK_SHIFT_MASK,
"enable-debugging", "(b)", TRUE);
add_arrow_bindings (widget_class, GDK_KEY_Up, GTK_DIR_UP);
add_arrow_bindings (widget_class, GDK_KEY_Down, GTK_DIR_DOWN);
add_arrow_bindings (widget_class, GDK_KEY_Left, GTK_DIR_LEFT);
add_arrow_bindings (widget_class, GDK_KEY_Right, GTK_DIR_RIGHT);
add_tab_bindings (widget_class, 0, GTK_DIR_TAB_FORWARD);
add_tab_bindings (widget_class, GDK_CONTROL_MASK, GTK_DIR_TAB_FORWARD);
add_tab_bindings (widget_class, GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD);
add_tab_bindings (widget_class, GDK_CONTROL_MASK | GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD);
gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_WINDOW_ACCESSIBLE);
gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_FRAME);
gtk_widget_class_set_css_name (widget_class, I_("window"));
}
/**
* gtk_window_is_maximized:
* @window: a #GtkWindow
*
* Retrieves the current maximized state of @window.
*
* Note that since maximization is ultimately handled by the window
* manager and happens asynchronously to an application request, you
* shouldn’t assume the return value of this function changing
* immediately (or at all), as an effect of calling
* gtk_window_maximize() or gtk_window_unmaximize().
*
* Returns: whether the window has a maximized state.
*/
gboolean
gtk_window_is_maximized (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
return priv->maximized;
}
void
_gtk_window_toggle_maximized (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->maximized)
gtk_window_unmaximize (window);
else
gtk_window_maximize (window);
}
/**
* gtk_window_close:
* @window: a #GtkWindow
*
* Requests that the window is closed, similar to what happens
* when a window manager close button is clicked.
*
* This function can be used with close buttons in custom
* titlebars.
*/
void
gtk_window_close (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (!_gtk_widget_get_realized (GTK_WIDGET (window)))
return;
if (priv->in_emit_close_request)
return;
g_object_ref (window);
if (!gtk_window_emit_close_request (window))
gtk_widget_destroy (GTK_WIDGET (window));
g_object_unref (window);
}
static gboolean
gtk_window_titlebar_action (GtkWindow *window,
GdkEvent *event,
guint button,
gint n_press)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkSettings *settings;
gchar *action = NULL;
gboolean retval = TRUE;
settings = gtk_widget_get_settings (GTK_WIDGET (window));
switch (button)
{
case GDK_BUTTON_PRIMARY:
if (n_press == 2)
g_object_get (settings, "gtk-titlebar-double-click", &action, NULL);
break;
case GDK_BUTTON_MIDDLE:
g_object_get (settings, "gtk-titlebar-middle-click", &action, NULL);
break;
case GDK_BUTTON_SECONDARY:
g_object_get (settings, "gtk-titlebar-right-click", &action, NULL);
break;
default:
break;
}
if (action == NULL)
retval = FALSE;
else if (g_str_equal (action, "none"))
retval = FALSE;
/* treat all maximization variants the same */
else if (g_str_has_prefix (action, "toggle-maximize"))
{
/*
* gtk header bar won't show the maximize button if the following
* properties are not met, apply the same to title bar actions for
* consistency.
*/
if (gtk_window_get_resizable (window))
_gtk_window_toggle_maximized (window);
}
else if (g_str_equal (action, "lower"))
gdk_toplevel_lower (GDK_TOPLEVEL (priv->surface));
else if (g_str_equal (action, "minimize"))
gdk_toplevel_minimize (GDK_TOPLEVEL (priv->surface));
else if (g_str_equal (action, "menu"))
gtk_window_do_popup (window, (GdkEventButton*) event);
else
{
g_warning ("Unsupported titlebar action %s", action);
retval = FALSE;
}
g_free (action);
return retval;
}
static void
click_gesture_pressed_cb (GtkGestureClick *gesture,
gint n_press,
gdouble x,
gdouble y,
GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *event_widget, *widget;
GdkEventSequence *sequence;
GtkWindowRegion region;
GdkEvent *event;
guint button;
gboolean window_drag = FALSE;
widget = GTK_WIDGET (window);
sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
button = gtk_gesture_single_get_current_button (GTK_GESTURE_SINGLE (gesture));
event = gtk_gesture_get_last_event (GTK_GESTURE (gesture), sequence);
if (!event)
return;
if (n_press > 1)
gtk_gesture_set_state (priv->drag_gesture, GTK_EVENT_SEQUENCE_DENIED);
if (gdk_display_device_is_grabbed (gtk_widget_get_display (widget),
gtk_gesture_get_device (GTK_GESTURE (gesture))))
{
gtk_gesture_set_state (priv->drag_gesture, GTK_EVENT_SEQUENCE_DENIED);
return;
}
region = get_active_region_type (window, x, y);
if (button == GDK_BUTTON_SECONDARY && region == GTK_WINDOW_REGION_TITLE)
{
if (gtk_window_titlebar_action (window, event, button, n_press))
gtk_gesture_set_sequence_state (GTK_GESTURE (gesture),
sequence, GTK_EVENT_SEQUENCE_CLAIMED);
gtk_event_controller_reset (GTK_EVENT_CONTROLLER (gesture));
gtk_event_controller_reset (GTK_EVENT_CONTROLLER (priv->drag_gesture));
return;
}
else if (button == GDK_BUTTON_MIDDLE && region == GTK_WINDOW_REGION_TITLE)
{
if (gtk_window_titlebar_action (window, event, button, n_press))
gtk_gesture_set_sequence_state (GTK_GESTURE (gesture),
sequence, GTK_EVENT_SEQUENCE_CLAIMED);
return;
}
else if (button != GDK_BUTTON_PRIMARY)
return;
event_widget = gtk_get_event_widget ((GdkEvent *) event);
if (region == GTK_WINDOW_REGION_TITLE)
gtk_window_update_toplevel (window);
switch (region)
{
case GTK_WINDOW_REGION_CONTENT:
if (event_widget != widget)
{
/* TODO: Have some way of enabling/disabling window-dragging on random widgets */
}
if (!window_drag)
{
gtk_gesture_set_sequence_state (GTK_GESTURE (gesture),
sequence, GTK_EVENT_SEQUENCE_DENIED);
return;
}
G_GNUC_FALLTHROUGH;
case GTK_WINDOW_REGION_TITLE:
if (n_press == 2)
gtk_window_titlebar_action (window, event, button, n_press);
if (gtk_widget_has_grab (widget))
gtk_gesture_set_sequence_state (GTK_GESTURE (gesture),
sequence, GTK_EVENT_SEQUENCE_CLAIMED);
break;
case GTK_WINDOW_REGION_EDGE_NW:
case GTK_WINDOW_REGION_EDGE_N:
case GTK_WINDOW_REGION_EDGE_NE:
case GTK_WINDOW_REGION_EDGE_W:
case GTK_WINDOW_REGION_EDGE_E:
case GTK_WINDOW_REGION_EDGE_SW:
case GTK_WINDOW_REGION_EDGE_S:
case GTK_WINDOW_REGION_EDGE_SE:
default:
if (!priv->maximized)
{
double tx, ty;
gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_CLAIMED);
gdk_event_get_position (event, &tx, &ty);
gdk_surface_begin_resize_drag (priv->surface,
(GdkSurfaceEdge) region,
gdk_event_get_device ((GdkEvent *) event),
GDK_BUTTON_PRIMARY,
tx, ty,
gdk_event_get_time (event));
gtk_event_controller_reset (GTK_EVENT_CONTROLLER (gesture));
gtk_event_controller_reset (GTK_EVENT_CONTROLLER (priv->drag_gesture));
}
break;
}
}
static void
drag_gesture_begin_cb (GtkGestureDrag *gesture,
gdouble x,
gdouble y,
GtkWindow *window)
{
GtkWindowRegion region;
gboolean widget_drag = FALSE;
region = get_active_region_type (window, x, y);
switch (region)
{
case GTK_WINDOW_REGION_TITLE:
/* Claim it */
break;
case GTK_WINDOW_REGION_CONTENT:
/* TODO: Have some way of enabling/disabling window-dragging on random widgets */
if (!widget_drag)
gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED);
break;
case GTK_WINDOW_REGION_EDGE_NW:
case GTK_WINDOW_REGION_EDGE_N:
case GTK_WINDOW_REGION_EDGE_NE:
case GTK_WINDOW_REGION_EDGE_W:
case GTK_WINDOW_REGION_EDGE_E:
case GTK_WINDOW_REGION_EDGE_SW:
case GTK_WINDOW_REGION_EDGE_S:
case GTK_WINDOW_REGION_EDGE_SE:
default:
gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED);
}
}
static void
drag_gesture_update_cb (GtkGestureDrag *gesture,
gdouble offset_x,
gdouble offset_y,
GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
gint double_click_distance;
GtkSettings *settings;
settings = gtk_widget_get_settings (GTK_WIDGET (window));
g_object_get (settings,
"gtk-double-click-distance", &double_click_distance,
NULL);
if (ABS (offset_x) > double_click_distance ||
ABS (offset_y) > double_click_distance)
{
GdkEventSequence *sequence;
gdouble start_x, start_y;
sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
if (gtk_event_controller_get_propagation_phase (GTK_EVENT_CONTROLLER (gesture)) == GTK_PHASE_CAPTURE)
{
GtkWidget *event_widget = gtk_gesture_get_last_target (GTK_GESTURE (gesture), sequence);
/* Check whether the target widget should be left alone at handling
* the sequence, this is better done late to give room for gestures
* there to go denied.
*
* Besides claiming gestures, we must bail out too if there's gestures
* in the "none" state at this point, as those are still handling events
* and can potentially go claimed, and we don't want to stop the target
* widget from doing anything.
*/
if (event_widget != GTK_WIDGET (window) &&
!gtk_widget_has_grab (event_widget) &&
_gtk_widget_consumes_motion (event_widget, sequence))
{
gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED);
return;
}
}
gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_CLAIMED);
gtk_gesture_drag_get_start_point (gesture, &start_x, &start_y);
gdk_surface_begin_move_drag (priv->surface,
gtk_gesture_get_device (GTK_GESTURE (gesture)),
gtk_gesture_single_get_current_button (GTK_GESTURE_SINGLE (gesture)),
(int)start_x, (int)start_y,
gtk_get_current_event_time ());
gtk_event_controller_reset (GTK_EVENT_CONTROLLER (gesture));
gtk_event_controller_reset (GTK_EVENT_CONTROLLER (priv->click_gesture));
}
}
static void
node_style_changed_cb (GtkCssNode *node,
GtkCssStyleChange *change,
GtkWidget *widget)
{
if (gtk_css_style_change_affects (change, GTK_CSS_AFFECTS_SIZE))
gtk_widget_queue_resize (widget);
else
gtk_widget_queue_draw (widget);
}
static void
device_removed_cb (GdkSeat *seat,
GdkDevice *device,
gpointer user_data)
{
GtkWindow *window = user_data;
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GList *l = priv->foci;
while (l)
{
GList *next;
GtkPointerFocus *focus = l->data;
next = l->next;
if (focus->device == device)
{
priv->foci = g_list_delete_link (priv->foci, l);
gtk_pointer_focus_unref (focus);
}
l = next;
}
}
static guint
constraints_for_edge (GdkSurfaceEdge edge)
{
switch (edge)
{
case GDK_SURFACE_EDGE_NORTH_WEST:
return GDK_SURFACE_STATE_LEFT_RESIZABLE | GDK_SURFACE_STATE_TOP_RESIZABLE;
case GDK_SURFACE_EDGE_NORTH:
return GDK_SURFACE_STATE_TOP_RESIZABLE;
case GDK_SURFACE_EDGE_NORTH_EAST:
return GDK_SURFACE_STATE_RIGHT_RESIZABLE | GDK_SURFACE_STATE_TOP_RESIZABLE;
case GDK_SURFACE_EDGE_WEST:
return GDK_SURFACE_STATE_LEFT_RESIZABLE;
case GDK_SURFACE_EDGE_EAST:
return GDK_SURFACE_STATE_RIGHT_RESIZABLE;
case GDK_SURFACE_EDGE_SOUTH_WEST:
return GDK_SURFACE_STATE_LEFT_RESIZABLE | GDK_SURFACE_STATE_BOTTOM_RESIZABLE;
case GDK_SURFACE_EDGE_SOUTH:
return GDK_SURFACE_STATE_BOTTOM_RESIZABLE;
case GDK_SURFACE_EDGE_SOUTH_EAST:
return GDK_SURFACE_STATE_RIGHT_RESIZABLE | GDK_SURFACE_STATE_BOTTOM_RESIZABLE;
default:
g_warn_if_reached ();
return 0;
}
}
static gboolean
edge_under_coordinates (GtkWindow *window,
gint x,
gint y,
GdkSurfaceEdge edge)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkAllocation allocation;
GtkStyleContext *context;
gint handle_v, handle_h;
GtkBorder border;
gboolean supports_edge_constraints;
guint constraints;
if (!priv->client_decorated ||
!priv->resizable ||
priv->fullscreen ||
priv->maximized)
return FALSE;
supports_edge_constraints = gdk_toplevel_supports_edge_constraints (GDK_TOPLEVEL (priv->surface));
constraints = constraints_for_edge (edge);
if (!supports_edge_constraints && priv->tiled)
return FALSE;
if (supports_edge_constraints &&
(priv->edge_constraints & constraints) != constraints)
return FALSE;
gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
context = _gtk_widget_get_style_context (GTK_WIDGET (window));
gtk_style_context_save_to_node (context, priv->decoration_node);
if (priv->use_client_shadow)
{
handle_h = MIN (RESIZE_HANDLE_SIZE, allocation.width / 2);
handle_v = MIN (RESIZE_HANDLE_SIZE, allocation.height / 2);
get_shadow_width (window, &border);
}
else
{
handle_h = 0;
handle_v = 0;
gtk_style_context_get_padding (context, &border);
}
gtk_style_context_restore (context);
/* Check whether the click falls outside the handle area */
if (x >= allocation.x + border.left &&
x < allocation.x + allocation.width - border.right &&
y >= allocation.y + border.top &&
y < allocation.y + allocation.height - border.bottom)
return FALSE;
/* Check X axis */
if (x < allocation.x + border.left + handle_h)
{
if (edge != GDK_SURFACE_EDGE_NORTH_WEST &&
edge != GDK_SURFACE_EDGE_WEST &&
edge != GDK_SURFACE_EDGE_SOUTH_WEST &&
edge != GDK_SURFACE_EDGE_NORTH &&
edge != GDK_SURFACE_EDGE_SOUTH)
return FALSE;
if ((edge == GDK_SURFACE_EDGE_NORTH ||
edge == GDK_SURFACE_EDGE_SOUTH) &&
(priv->edge_constraints & constraints_for_edge (GDK_SURFACE_EDGE_WEST)))
return FALSE;
}
else if (x >= allocation.x + allocation.width - border.right - handle_h)
{
if (edge != GDK_SURFACE_EDGE_NORTH_EAST &&
edge != GDK_SURFACE_EDGE_EAST &&
edge != GDK_SURFACE_EDGE_SOUTH_EAST &&
edge != GDK_SURFACE_EDGE_NORTH &&
edge != GDK_SURFACE_EDGE_SOUTH)
return FALSE;
if ((edge == GDK_SURFACE_EDGE_NORTH ||
edge == GDK_SURFACE_EDGE_SOUTH) &&
(priv->edge_constraints & constraints_for_edge (GDK_SURFACE_EDGE_EAST)))
return FALSE;
}
else if (edge != GDK_SURFACE_EDGE_NORTH &&
edge != GDK_SURFACE_EDGE_SOUTH)
return FALSE;
/* Check Y axis */
if (y < allocation.y + border.top + handle_v)
{
if (edge != GDK_SURFACE_EDGE_NORTH_WEST &&
edge != GDK_SURFACE_EDGE_NORTH &&
edge != GDK_SURFACE_EDGE_NORTH_EAST &&
edge != GDK_SURFACE_EDGE_EAST &&
edge != GDK_SURFACE_EDGE_WEST)
return FALSE;
if ((edge == GDK_SURFACE_EDGE_EAST ||
edge == GDK_SURFACE_EDGE_WEST) &&
(priv->edge_constraints & constraints_for_edge (GDK_SURFACE_EDGE_NORTH)))
return FALSE;
}
else if (y > allocation.y + allocation.height - border.bottom - handle_v)
{
if (edge != GDK_SURFACE_EDGE_SOUTH_WEST &&
edge != GDK_SURFACE_EDGE_SOUTH &&
edge != GDK_SURFACE_EDGE_SOUTH_EAST &&
edge != GDK_SURFACE_EDGE_EAST &&
edge != GDK_SURFACE_EDGE_WEST)
return FALSE;
if ((edge == GDK_SURFACE_EDGE_EAST ||
edge == GDK_SURFACE_EDGE_WEST) &&
(priv->edge_constraints & constraints_for_edge (GDK_SURFACE_EDGE_SOUTH)))
return FALSE;
}
else if (edge != GDK_SURFACE_EDGE_WEST &&
edge != GDK_SURFACE_EDGE_EAST)
return FALSE;
return TRUE;
}
static void
gtk_window_capture_motion (GtkWidget *widget,
gdouble x,
gdouble y)
{
gint i;
const gchar *cursor_names[8] = {
"nw-resize", "n-resize", "ne-resize",
"w-resize", "e-resize",
"sw-resize", "s-resize", "se-resize"
};
for (i = 0; i < 8; i++)
{
if (edge_under_coordinates (GTK_WINDOW (widget), x, y, i))
{
gtk_widget_set_cursor_from_name (widget, cursor_names[i]);
return;
}
}
gtk_widget_set_cursor (widget, NULL);
}
static void
gtk_window_activate_default_activate (GtkWidget *widget,
const char *name,
GVariant *parameter)
{
gtk_window_real_activate_default (GTK_WINDOW (widget));
}
static gboolean
gtk_window_accept_rootwindow_drop (GtkDropTargetAsync *self,
GdkDrop *drop,
double x,
double y,
gpointer unused)
{
gdk_drop_finish (drop, GDK_ACTION_MOVE);
return TRUE;
}
static void
gtk_window_init (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget;
GtkCssNode *widget_node;
GdkSeat *seat;
GtkEventController *controller;
GtkDropTargetAsync *target;
GtkShortcut *shortcut;
widget = GTK_WIDGET (window);
priv->title = NULL;
priv->geometry_info = NULL;
priv->focus_widget = NULL;
priv->default_widget = NULL;
priv->configure_request_count = 0;
priv->resizable = TRUE;
priv->configure_notify_received = FALSE;
priv->need_default_size = TRUE;
priv->modal = FALSE;
priv->gravity = GDK_GRAVITY_NORTH_WEST;
priv->decorated = TRUE;
priv->display = gdk_display_get_default ();
priv->state = GDK_SURFACE_STATE_WITHDRAWN;
priv->deletable = TRUE;
priv->startup_id = NULL;
priv->initial_timestamp = GDK_CURRENT_TIME;
priv->mnemonics_visible = FALSE;
priv->focus_visible = TRUE;
priv->initial_fullscreen_monitor = NULL;
g_object_ref_sink (window);
priv->has_user_ref_count = TRUE;
#ifdef GDK_WINDOWING_X11
g_signal_connect (gtk_settings_get_for_display (priv->display),
"notify::gtk-application-prefer-dark-theme",
G_CALLBACK (gtk_window_on_theme_variant_changed), window);
#endif
widget_node = gtk_widget_get_css_node (GTK_WIDGET (window));
priv->decoration_node = gtk_css_node_new ();
gtk_css_node_set_name (priv->decoration_node, g_quark_from_static_string ("decoration"));
gtk_css_node_set_parent (priv->decoration_node, widget_node);
gtk_css_node_set_state (priv->decoration_node, gtk_css_node_get_state (widget_node));
g_signal_connect_object (priv->decoration_node, "style-changed", G_CALLBACK (node_style_changed_cb), window, 0);
g_object_unref (priv->decoration_node);
gtk_css_node_add_class (widget_node, g_quark_from_static_string (GTK_STYLE_CLASS_BACKGROUND));
priv->scale = gtk_widget_get_scale_factor (widget);
target = gtk_drop_target_async_new (gdk_content_formats_new ((const char*[1]) { "application/x-rootwindow-drop" }, 1),
GDK_ACTION_MOVE);
g_signal_connect (target, "drop", G_CALLBACK (gtk_window_accept_rootwindow_drop), NULL);
gtk_widget_add_controller (GTK_WIDGET (window), GTK_EVENT_CONTROLLER (target));
seat = gdk_display_get_default_seat (gtk_widget_get_display (widget));
g_signal_connect (seat, "device-removed",
G_CALLBACK (device_removed_cb), window);
controller = gtk_event_controller_motion_new ();
gtk_event_controller_set_propagation_phase (controller,
GTK_PHASE_CAPTURE);
g_signal_connect_swapped (controller, "motion",
G_CALLBACK (gtk_window_capture_motion), window);
gtk_widget_add_controller (widget, controller);
priv->key_controller = gtk_event_controller_key_new ();
gtk_event_controller_set_propagation_phase (priv->key_controller, GTK_PHASE_CAPTURE);
g_signal_connect_swapped (priv->key_controller, "key-pressed",
G_CALLBACK (gtk_window_key_pressed), window);
g_signal_connect_swapped (priv->key_controller, "key-released",
G_CALLBACK (gtk_window_key_released), window);
gtk_widget_add_controller (widget, priv->key_controller);
controller = gtk_event_controller_focus_new ();
g_signal_connect_swapped (controller, "enter",
G_CALLBACK (gtk_window_focus_in), window);
g_signal_connect_swapped (controller, "leave",
G_CALLBACK (gtk_window_focus_out), window);
gtk_widget_add_controller (widget, controller);
/* Shared constraint solver */
priv->constraint_solver = gtk_constraint_solver_new ();
controller = gtk_shortcut_controller_new ();
gtk_event_controller_set_propagation_phase (controller, GTK_PHASE_CAPTURE);
shortcut = gtk_shortcut_new (gtk_keyval_trigger_new (MENU_BAR_ACCEL, 0),
gtk_callback_action_new (gtk_window_activate_menubar, NULL, NULL));
gtk_shortcut_controller_add_shortcut (GTK_SHORTCUT_CONTROLLER (controller), shortcut);
gtk_event_controller_set_name (controller, "gtk-window-menubar-accel");
gtk_widget_add_controller (widget, controller);
}
static GtkGesture *
create_drag_gesture (GtkWindow *window)
{
GtkGesture *gesture;
gesture = gtk_gesture_drag_new ();
g_signal_connect (gesture, "drag-begin",
G_CALLBACK (drag_gesture_begin_cb), window);
g_signal_connect (gesture, "drag-update",
G_CALLBACK (drag_gesture_update_cb), window);
gtk_widget_add_controller (GTK_WIDGET (window), GTK_EVENT_CONTROLLER (gesture));
return gesture;
}
static void
gtk_window_constructed (GObject *object)
{
GtkWindow *window = GTK_WINDOW (object);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
G_OBJECT_CLASS (gtk_window_parent_class)->constructed (object);
priv->click_gesture = gtk_gesture_click_new ();
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (priv->click_gesture), 0);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (priv->click_gesture),
GTK_PHASE_BUBBLE);
g_signal_connect (priv->click_gesture, "pressed",
G_CALLBACK (click_gesture_pressed_cb), object);
gtk_widget_add_controller (GTK_WIDGET (object), GTK_EVENT_CONTROLLER (priv->click_gesture));
priv->drag_gesture = create_drag_gesture (window);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (priv->drag_gesture),
GTK_PHASE_CAPTURE);
priv->bubble_drag_gesture = create_drag_gesture (window);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (priv->bubble_drag_gesture),
GTK_PHASE_BUBBLE);
g_list_store_append (toplevel_list, window);
g_object_unref (window);
}
static void
gtk_window_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkWindow *window = GTK_WINDOW (object);
switch (prop_id)
{
case PROP_TITLE:
gtk_window_set_title (window, g_value_get_string (value));
break;
case PROP_STARTUP_ID:
gtk_window_set_startup_id (window, g_value_get_string (value));
break;
case PROP_RESIZABLE:
gtk_window_set_resizable (window, g_value_get_boolean (value));
break;
case PROP_MODAL:
gtk_window_set_modal (window, g_value_get_boolean (value));
break;
case PROP_DEFAULT_WIDTH:
gtk_window_set_default_size_internal (window,
TRUE, g_value_get_int (value),
FALSE, -1);
break;
case PROP_DEFAULT_HEIGHT:
gtk_window_set_default_size_internal (window,
FALSE, -1,
TRUE, g_value_get_int (value));
break;
case PROP_DESTROY_WITH_PARENT:
gtk_window_set_destroy_with_parent (window, g_value_get_boolean (value));
break;
case PROP_HIDE_ON_CLOSE:
gtk_window_set_hide_on_close (window, g_value_get_boolean (value));
break;
case PROP_ICON_NAME:
gtk_window_set_icon_name (window, g_value_get_string (value));
break;
case PROP_DISPLAY:
gtk_window_set_display (window, g_value_get_object (value));
break;
case PROP_DECORATED:
gtk_window_set_decorated (window, g_value_get_boolean (value));
break;
case PROP_DELETABLE:
gtk_window_set_deletable (window, g_value_get_boolean (value));
break;
case PROP_TRANSIENT_FOR:
gtk_window_set_transient_for (window, g_value_get_object (value));
break;
case PROP_APPLICATION:
gtk_window_set_application (window, g_value_get_object (value));
break;
case PROP_DEFAULT_WIDGET:
gtk_window_set_default_widget (window, g_value_get_object (value));
break;
case PROP_MNEMONICS_VISIBLE:
gtk_window_set_mnemonics_visible (window, g_value_get_boolean (value));
break;
case PROP_FOCUS_VISIBLE:
gtk_window_set_focus_visible (window, g_value_get_boolean (value));
break;
case PROP_FOCUS_WIDGET:
gtk_window_set_focus (window, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_window_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkWindow *window = GTK_WINDOW (object);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
switch (prop_id)
{
GtkWindowGeometryInfo *info;
case PROP_TITLE:
g_value_set_string (value, priv->title);
break;
case PROP_RESIZABLE:
g_value_set_boolean (value, priv->resizable);
break;
case PROP_MODAL:
g_value_set_boolean (value, priv->modal);
break;
case PROP_DEFAULT_WIDTH:
info = gtk_window_get_geometry_info (window, FALSE);
if (!info)
g_value_set_int (value, -1);
else
g_value_set_int (value, info->default_width);
break;
case PROP_DEFAULT_HEIGHT:
info = gtk_window_get_geometry_info (window, FALSE);
if (!info)
g_value_set_int (value, -1);
else
g_value_set_int (value, info->default_height);
break;
case PROP_DESTROY_WITH_PARENT:
g_value_set_boolean (value, priv->destroy_with_parent);
break;
case PROP_HIDE_ON_CLOSE:
g_value_set_boolean (value, priv->hide_on_close);
break;
case PROP_ICON_NAME:
g_value_set_string (value, gtk_window_get_icon_name (window));
break;
case PROP_DISPLAY:
g_value_set_object (value, priv->display);
break;
case PROP_IS_ACTIVE:
g_value_set_boolean (value, priv->is_active);
break;
case PROP_DECORATED:
g_value_set_boolean (value, gtk_window_get_decorated (window));
break;
case PROP_DELETABLE:
g_value_set_boolean (value, gtk_window_get_deletable (window));
break;
case PROP_TRANSIENT_FOR:
g_value_set_object (value, gtk_window_get_transient_for (window));
break;
case PROP_APPLICATION:
g_value_set_object (value, gtk_window_get_application (window));
break;
case PROP_DEFAULT_WIDGET:
g_value_set_object (value, gtk_window_get_default_widget (window));
break;
case PROP_MNEMONICS_VISIBLE:
g_value_set_boolean (value, priv->mnemonics_visible);
break;
case PROP_FOCUS_VISIBLE:
g_value_set_boolean (value, priv->focus_visible);
break;
case PROP_IS_MAXIMIZED:
g_value_set_boolean (value, gtk_window_is_maximized (window));
break;
case PROP_FOCUS_WIDGET:
g_value_set_object (value, gtk_window_get_focus (window));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_window_buildable_interface_init (GtkBuildableIface *iface)
{
parent_buildable_iface = g_type_interface_peek_parent (iface);
iface->set_buildable_property = gtk_window_buildable_set_buildable_property;
iface->add_child = gtk_window_buildable_add_child;
}
static void
gtk_window_buildable_add_child (GtkBuildable *buildable,
GtkBuilder *builder,
GObject *child,
const gchar *type)
{
if (type && strcmp (type, "titlebar") == 0)
gtk_window_set_titlebar (GTK_WINDOW (buildable), GTK_WIDGET (child));
else
parent_buildable_iface->add_child (buildable, builder, child, type);
}
static void
gtk_window_buildable_set_buildable_property (GtkBuildable *buildable,
GtkBuilder *builder,
const gchar *name,
const GValue *value)
{
GtkWindow *window = GTK_WINDOW (buildable);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (strcmp (name, "visible") == 0 && g_value_get_boolean (value))
priv->builder_visible = TRUE;
else if (parent_buildable_iface->set_buildable_property)
parent_buildable_iface->set_buildable_property (buildable, builder, name, value);
else
g_object_set_property (G_OBJECT (buildable), name, value);
}
static void
gtk_window_shortcut_manager_interface_init (GtkShortcutManagerInterface *iface)
{
}
static GdkDisplay *
gtk_window_root_get_display (GtkRoot *root)
{
GtkWindow *window = GTK_WINDOW (root);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
return priv->display;
}
static GdkSurface *
gtk_window_native_get_surface (GtkNative *native)
{
GtkWindow *self = GTK_WINDOW (native);
GtkWindowPrivate *priv = gtk_window_get_instance_private (self);
return priv->surface;
}
static GskRenderer *
gtk_window_native_get_renderer (GtkNative *native)
{
GtkWindow *self = GTK_WINDOW (native);
GtkWindowPrivate *priv = gtk_window_get_instance_private (self);
return priv->renderer;
}
static GtkConstraintSolver *
gtk_window_root_get_constraint_solver (GtkRoot *root)
{
GtkWindow *self = GTK_WINDOW (root);
GtkWindowPrivate *priv = gtk_window_get_instance_private (self);
return priv->constraint_solver;
}
static GtkWidget *
gtk_window_root_get_focus (GtkRoot *root)
{
GtkWindow *self = GTK_WINDOW (root);
GtkWindowPrivate *priv = gtk_window_get_instance_private (self);
return priv->focus_widget;
}
static void synthesize_focus_change_events (GtkWindow *window,
GtkWidget *old_focus,
GtkWidget *new_focus);
static void
gtk_window_root_set_focus (GtkRoot *root,
GtkWidget *focus)
{
GtkWindow *self = GTK_WINDOW (root);
GtkWindowPrivate *priv = gtk_window_get_instance_private (self);
GtkWidget *old_focus = NULL;
if (focus && !gtk_widget_is_sensitive (focus))
return;
if (focus == priv->focus_widget)
return;
if (priv->focus_widget)
old_focus = g_object_ref (priv->focus_widget);
g_set_object (&priv->focus_widget, NULL);
if (old_focus)
gtk_widget_set_has_focus (old_focus, FALSE);
synthesize_focus_change_events (self, old_focus, focus);
if (focus)
gtk_widget_set_has_focus (focus, TRUE);
g_set_object (&priv->focus_widget, focus);
g_clear_object (&old_focus);
g_object_notify (G_OBJECT (self), "focus-widget");
}
static void
gtk_window_native_get_surface_transform (GtkNative *native,
int *x,
int *y)
{
const graphene_rect_t *margin_rect;
GtkCssBoxes boxes;
gtk_css_boxes_init (&boxes, GTK_WIDGET (native));
margin_rect = gtk_css_boxes_get_margin_rect (&boxes);
*x = - margin_rect->origin.x;
*y = - margin_rect->origin.y;
}
static void
gtk_window_native_check_resize (GtkNative *native)
{
gtk_window_check_resize (GTK_WINDOW (native));
}
static void
gtk_window_root_interface_init (GtkRootInterface *iface)
{
iface->get_display = gtk_window_root_get_display;
iface->get_constraint_solver = gtk_window_root_get_constraint_solver;
iface->get_focus = gtk_window_root_get_focus;
iface->set_focus = gtk_window_root_set_focus;
}
static void
gtk_window_native_interface_init (GtkNativeInterface *iface)
{
iface->get_surface = gtk_window_native_get_surface;
iface->get_renderer = gtk_window_native_get_renderer;
iface->get_surface_transform = gtk_window_native_get_surface_transform;
iface->check_resize = gtk_window_native_check_resize;
}
/**
* gtk_window_new:
*
* Creates a new #GtkWindow, which is a toplevel window that can
* contain other widgets.
*
* To get an undecorated window (no window borders), use
* gtk_window_set_decorated().
*
* All top-level windows created by gtk_window_new() are stored in
* an internal top-level window list. This list can be obtained from
* gtk_window_list_toplevels(). Due to Gtk+ keeping a reference to
* the window internally, gtk_window_new() does not return a reference
* to the caller.
*
* To delete a #GtkWindow, call gtk_widget_destroy().
*
* Returns: a new #GtkWindow.
**/
GtkWidget*
gtk_window_new (void)
{
return g_object_new (GTK_TYPE_WINDOW, NULL);
}
static void
gtk_window_set_title_internal (GtkWindow *window,
const gchar *title,
gboolean update_titlebar)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
char *new_title;
g_return_if_fail (GTK_IS_WINDOW (window));
new_title = g_strdup (title);
g_free (priv->title);
priv->title = new_title;
if (_gtk_widget_get_realized (GTK_WIDGET (window)))
gdk_toplevel_set_title (GDK_TOPLEVEL (priv->surface), new_title != NULL ? new_title : "");
if (update_titlebar && GTK_IS_HEADER_BAR (priv->title_box))
gtk_header_bar_set_title (GTK_HEADER_BAR (priv->title_box), new_title != NULL ? new_title : "");
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_TITLE]);
}
/**
* gtk_window_set_title:
* @window: a #GtkWindow
* @title: title of the window
*
* Sets the title of the #GtkWindow. The title of a window will be
* displayed in its title bar; on the X Window System, the title bar
* is rendered by the [window manager][gtk-X11-arch],
* so exactly how the title appears to users may vary
* according to a user’s exact configuration. The title should help a
* user distinguish this window from other windows they may have
* open. A good title might include the application name and current
* document filename, for example.
*
**/
void
gtk_window_set_title (GtkWindow *window,
const gchar *title)
{
g_return_if_fail (GTK_IS_WINDOW (window));
gtk_window_set_title_internal (window, title, TRUE);
}
/**
* gtk_window_get_title:
* @window: a #GtkWindow
*
* Retrieves the title of the window. See gtk_window_set_title().
*
* Returns: (nullable): the title of the window, or %NULL if none has
* been set explicitly. The returned string is owned by the widget
* and must not be modified or freed.
**/
const gchar *
gtk_window_get_title (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), NULL);
return priv->title;
}
/**
* gtk_window_set_startup_id:
* @window: a #GtkWindow
* @startup_id: a string with startup-notification identifier
*
* Startup notification identifiers are used by desktop environment to
* track application startup, to provide user feedback and other
* features. This function changes the corresponding property on the
* underlying GdkSurface. Normally, startup identifier is managed
* automatically and you should only use this function in special cases
* like transferring focus from other processes. You should use this
* function before calling gtk_window_present() or any equivalent
* function generating a window map event.
*
* This function is only useful on X11, not with other GTK+ targets.
**/
void
gtk_window_set_startup_id (GtkWindow *window,
const gchar *startup_id)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget;
g_return_if_fail (GTK_IS_WINDOW (window));
widget = GTK_WIDGET (window);
g_free (priv->startup_id);
priv->startup_id = g_strdup (startup_id);
if (_gtk_widget_get_realized (widget))
{
guint32 timestamp = extract_time_from_startup_id (priv->startup_id);
#ifdef GDK_WINDOWING_X11
if (timestamp != GDK_CURRENT_TIME && GDK_IS_X11_SURFACE (priv->surface))
gdk_x11_surface_set_user_time (priv->surface, timestamp);
#endif
/* Here we differentiate real and "fake" startup notification IDs,
* constructed on purpose just to pass interaction timestamp
*/
if (startup_id_is_fake (priv->startup_id))
gtk_window_present_with_time (window, timestamp);
else
{
gdk_toplevel_set_startup_id (GDK_TOPLEVEL (priv->surface), priv->startup_id);
/* If window is mapped, terminate the startup-notification too */
if (_gtk_widget_get_mapped (widget) && !disable_startup_notification)
gdk_display_notify_startup_complete (gtk_widget_get_display (widget), priv->startup_id);
}
}
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_STARTUP_ID]);
}
/**
* gtk_window_set_default_widget:
* @window: a #GtkWindow
* @default_widget: (allow-none): widget to be the default, or %NULL
* to unset the default widget for the toplevel
*
* The default widget is the widget that’s activated when the user
* presses Enter in a dialog (for example). This function sets or
* unsets the default widget for a #GtkWindow.
*/
void
gtk_window_set_default_widget (GtkWindow *window,
GtkWidget *default_widget)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
if (priv->default_widget != default_widget)
{
GtkWidget *old_default_widget = NULL;
if (default_widget)
g_object_ref (default_widget);
if (priv->default_widget)
{
old_default_widget = priv->default_widget;
if (priv->focus_widget != priv->default_widget ||
!gtk_widget_get_receives_default (priv->default_widget))
_gtk_widget_set_has_default (priv->default_widget, FALSE);
gtk_widget_queue_draw (priv->default_widget);
}
priv->default_widget = default_widget;
if (priv->default_widget)
{
if (priv->focus_widget == NULL ||
!gtk_widget_get_receives_default (priv->focus_widget))
_gtk_widget_set_has_default (priv->default_widget, TRUE);
gtk_widget_queue_draw (priv->default_widget);
}
if (old_default_widget)
g_object_notify (G_OBJECT (old_default_widget), "has-default");
if (default_widget)
{
g_object_notify (G_OBJECT (default_widget), "has-default");
g_object_unref (default_widget);
}
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_DEFAULT_WIDGET]);
}
}
/**
* gtk_window_get_default_widget:
* @window: a #GtkWindow
*
* Returns the default widget for @window. See
* gtk_window_set_default() for more details.
*
* Returns: (nullable) (transfer none): the default widget, or %NULL
* if there is none.
**/
GtkWidget *
gtk_window_get_default_widget (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), NULL);
return priv->default_widget;
}
static gboolean
handle_keys_changed (gpointer data)
{
GtkWindow *window = GTK_WINDOW (data);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->keys_changed_handler)
{
g_source_remove (priv->keys_changed_handler);
priv->keys_changed_handler = 0;
}
g_signal_emit (window, window_signals[KEYS_CHANGED], 0);
return FALSE;
}
void
_gtk_window_notify_keys_changed (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (!priv->keys_changed_handler)
{
priv->keys_changed_handler = g_idle_add (handle_keys_changed, window);
g_source_set_name_by_id (priv->keys_changed_handler, "[gtk] handle_keys_changed");
}
}
/**
* gtk_window_get_focus:
* @window: a #GtkWindow
*
* Retrieves the current focused widget within the window.
* Note that this is the widget that would have the focus
* if the toplevel window focused; if the toplevel window
* is not focused then `gtk_widget_has_focus (widget)` will
* not be %TRUE for the widget.
*
* Returns: (nullable) (transfer none): the currently focused widget,
* or %NULL if there is none.
**/
GtkWidget *
gtk_window_get_focus (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), NULL);
return priv->focus_widget;
}
static void
gtk_window_real_activate_default (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->default_widget && gtk_widget_is_sensitive (priv->default_widget) &&
(!priv->focus_widget || !gtk_widget_get_receives_default (priv->focus_widget)))
gtk_widget_activate (priv->default_widget);
else if (priv->focus_widget && gtk_widget_is_sensitive (priv->focus_widget))
gtk_widget_activate (priv->focus_widget);
}
/**
* gtk_window_set_modal:
* @window: a #GtkWindow
* @modal: whether the window is modal
*
* Sets a window modal or non-modal. Modal windows prevent interaction
* with other windows in the same application. To keep modal dialogs
* on top of main application windows, use
* gtk_window_set_transient_for() to make the dialog transient for the
* parent; most [window managers][gtk-X11-arch]
* will then disallow lowering the dialog below the parent.
*
*
**/
void
gtk_window_set_modal (GtkWindow *window,
gboolean modal)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget;
g_return_if_fail (GTK_IS_WINDOW (window));
modal = modal != FALSE;
if (priv->modal == modal)
return;
priv->modal = modal;
widget = GTK_WIDGET (window);
if (_gtk_widget_get_realized (widget))
gdk_toplevel_set_modal (GDK_TOPLEVEL (priv->surface), modal);
if (gtk_widget_get_visible (widget))
{
if (priv->modal)
gtk_grab_add (widget);
else
gtk_grab_remove (widget);
}
update_window_buttons (window);
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_MODAL]);
}
/**
* gtk_window_get_modal:
* @window: a #GtkWindow
*
* Returns whether the window is modal. See gtk_window_set_modal().
*
* Returns: %TRUE if the window is set to be modal and
* establishes a grab when shown
**/
gboolean
gtk_window_get_modal (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
return priv->modal;
}
/**
* gtk_window_get_toplevels:
*
* Returns a list of all existing toplevel windows.
*
* If you want to iterate through the list and perform actions involving
* callbacks that might destroy the widgets or add new ones, be aware that
* the list of toplevels will change and emit the "items-changed" signal.
*
* Returns: (element-type GtkWidget) (transfer none): the list of toplevel widgets
*/
GListModel *
gtk_window_get_toplevels (void)
{
if (toplevel_list == NULL)
toplevel_list = g_list_store_new (GTK_TYPE_WIDGET);
return G_LIST_MODEL (toplevel_list);
}
/**
* gtk_window_list_toplevels:
*
* Returns a list of all existing toplevel windows. The widgets
* in the list are not individually referenced. If you want
* to iterate through the list and perform actions involving
* callbacks that might destroy the widgets, you must call
* `g_list_foreach (result, (GFunc)g_object_ref, NULL)` first, and
* then unref all the widgets afterwards.
*
* Returns: (element-type GtkWidget) (transfer container): list of toplevel widgets
**/
GList*
gtk_window_list_toplevels (void)
{
GListModel *toplevels;
GList *list = NULL;
guint i;
toplevels = gtk_window_get_toplevels ();
for (i = 0; i < g_list_model_get_n_items (toplevels); i++)
{
gpointer item = g_list_model_get_item (toplevels, i);
list = g_list_prepend (list, item);
g_object_unref (item);
}
return list;
}
static void
remove_attach_widget (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->attach_widget)
{
_gtk_widget_remove_attached_window (priv->attach_widget, window);
priv->attach_widget = NULL;
}
}
static void
gtk_window_dispose (GObject *object)
{
GtkWindow *window = GTK_WINDOW (object);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_list_free_full (priv->foci, (GDestroyNotify) gtk_pointer_focus_unref);
priv->foci = NULL;
g_clear_pointer (&priv->layout, gdk_toplevel_layout_unref);
gtk_window_set_focus (window, NULL);
gtk_window_set_default_widget (window, NULL);
remove_attach_widget (window);
G_OBJECT_CLASS (gtk_window_parent_class)->dispose (object);
unset_titlebar (window);
}
static void
parent_destroyed_callback (GtkWindow *parent, GtkWindow *child)
{
gtk_widget_destroy (GTK_WIDGET (child));
}
static void
connect_parent_destroyed (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->transient_parent)
{
g_signal_connect (priv->transient_parent,
"destroy",
G_CALLBACK (parent_destroyed_callback),
window);
}
}
static void
disconnect_parent_destroyed (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->transient_parent)
{
g_signal_handlers_disconnect_by_func (priv->transient_parent,
parent_destroyed_callback,
window);
}
}
static void
gtk_window_transient_parent_realized (GtkWidget *parent,
GtkWidget *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (GTK_WINDOW (window));
GtkWindowPrivate *parent_priv = gtk_window_get_instance_private (GTK_WINDOW (parent));
if (_gtk_widget_get_realized (window))
gdk_toplevel_set_transient_for (GDK_TOPLEVEL (priv->surface), parent_priv->surface);
}
static void
gtk_window_transient_parent_unrealized (GtkWidget *parent,
GtkWidget *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (GTK_WINDOW (window));
if (_gtk_widget_get_realized (window))
gdk_toplevel_set_transient_for (GDK_TOPLEVEL (priv->surface), NULL);
}
static void
gtk_window_transient_parent_display_changed (GtkWindow *parent,
GParamSpec *pspec,
GtkWindow *window)
{
GtkWindowPrivate *parent_priv = gtk_window_get_instance_private (parent);
gtk_window_set_display (window, parent_priv->display);
}
static void
gtk_window_unset_transient_for (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->transient_parent)
{
g_signal_handlers_disconnect_by_func (priv->transient_parent,
gtk_window_transient_parent_realized,
window);
g_signal_handlers_disconnect_by_func (priv->transient_parent,
gtk_window_transient_parent_unrealized,
window);
g_signal_handlers_disconnect_by_func (priv->transient_parent,
gtk_window_transient_parent_display_changed,
window);
g_signal_handlers_disconnect_by_func (priv->transient_parent,
gtk_widget_destroyed,
&priv->transient_parent);
if (priv->destroy_with_parent)
disconnect_parent_destroyed (window);
priv->transient_parent = NULL;
if (priv->transient_parent_group)
{
priv->transient_parent_group = FALSE;
gtk_window_group_remove_window (priv->group,
window);
}
}
}
/**
* gtk_window_set_transient_for:
* @window: a #GtkWindow
* @parent: (allow-none): parent window, or %NULL
*
* Dialog windows should be set transient for the main application
* window they were spawned from. This allows
* [window managers][gtk-X11-arch] to e.g. keep the
* dialog on top of the main window, or center the dialog over the
* main window. gtk_dialog_new_with_buttons() and other convenience
* functions in GTK+ will sometimes call
* gtk_window_set_transient_for() on your behalf.
*
* Passing %NULL for @parent unsets the current transient window.
*
* On Windows, this function puts the child window on top of the parent,
* much as the window manager would have done on X.
*/
void
gtk_window_set_transient_for (GtkWindow *window,
GtkWindow *parent)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
g_return_if_fail (parent == NULL || GTK_IS_WINDOW (parent));
g_return_if_fail (window != parent);
if (priv->transient_parent)
{
if (_gtk_widget_get_realized (GTK_WIDGET (window)) &&
_gtk_widget_get_realized (GTK_WIDGET (priv->transient_parent)) &&
(!parent || !_gtk_widget_get_realized (GTK_WIDGET (parent))))
gtk_window_transient_parent_unrealized (GTK_WIDGET (priv->transient_parent),
GTK_WIDGET (window));
gtk_window_unset_transient_for (window);
}
priv->transient_parent = parent;
if (parent)
{
GtkWindowPrivate *parent_priv = gtk_window_get_instance_private (parent);
g_signal_connect (parent, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&priv->transient_parent);
g_signal_connect (parent, "realize",
G_CALLBACK (gtk_window_transient_parent_realized),
window);
g_signal_connect (parent, "unrealize",
G_CALLBACK (gtk_window_transient_parent_unrealized),
window);
g_signal_connect (parent, "notify::display",
G_CALLBACK (gtk_window_transient_parent_display_changed),
window);
gtk_window_set_display (window, parent_priv->display);
if (priv->destroy_with_parent)
connect_parent_destroyed (window);
if (_gtk_widget_get_realized (GTK_WIDGET (window)) &&
_gtk_widget_get_realized (GTK_WIDGET (parent)))
gtk_window_transient_parent_realized (GTK_WIDGET (parent),
GTK_WIDGET (window));
if (parent_priv->group)
{
gtk_window_group_add_window (parent_priv->group, window);
priv->transient_parent_group = TRUE;
}
}
update_window_buttons (window);
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_TRANSIENT_FOR]);
}
/**
* gtk_window_get_transient_for:
* @window: a #GtkWindow
*
* Fetches the transient parent for this window. See
* gtk_window_set_transient_for().
*
* Returns: (nullable) (transfer none): the transient parent for this
* window, or %NULL if no transient parent has been set.
**/
GtkWindow *
gtk_window_get_transient_for (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), NULL);
return priv->transient_parent;
}
/**
* gtk_window_get_application:
* @window: a #GtkWindow
*
* Gets the #GtkApplication associated with the window (if any).
*
* Returns: (nullable) (transfer none): a #GtkApplication, or %NULL
**/
GtkApplication *
gtk_window_get_application (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), NULL);
return priv->application;
}
static void
gtk_window_release_application (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->application)
{
GtkApplication *application;
/* steal reference into temp variable */
application = priv->application;
priv->application = NULL;
gtk_widget_remove_controller (GTK_WIDGET (window),
priv->application_shortcut_controller);
priv->application_shortcut_controller = NULL;
gtk_application_remove_window (application, window);
g_object_unref (application);
}
}
/**
* gtk_window_set_application:
* @window: a #GtkWindow
* @application: (allow-none): a #GtkApplication, or %NULL to unset
*
* Sets or unsets the #GtkApplication associated with the window.
*
* The application will be kept alive for at least as long as it has any windows
* associated with it (see g_application_hold() for a way to keep it alive
* without windows).
*
* Normally, the connection between the application and the window will remain
* until the window is destroyed, but you can explicitly remove it by setting
* the @application to %NULL.
*
* This is equivalent to calling gtk_application_remove_window() and/or
* gtk_application_add_window() on the old/new applications as relevant.
**/
void
gtk_window_set_application (GtkWindow *window,
GtkApplication *application)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
if (priv->application != application)
{
gtk_window_release_application (window);
priv->application = application;
if (priv->application != NULL)
{
GtkApplicationAccels *app_accels;
g_object_ref (priv->application);
gtk_application_add_window (priv->application, window);
app_accels = gtk_application_get_application_accels (priv->application);
priv->application_shortcut_controller = gtk_shortcut_controller_new_for_model (gtk_application_accels_get_shortcuts (app_accels));
gtk_event_controller_set_name (priv->application_shortcut_controller, "gtk-application-shortcuts");
gtk_event_controller_set_propagation_phase (priv->application_shortcut_controller, GTK_PHASE_CAPTURE);
gtk_shortcut_controller_set_scope (GTK_SHORTCUT_CONTROLLER (priv->application_shortcut_controller), GTK_SHORTCUT_SCOPE_GLOBAL);
gtk_widget_add_controller (GTK_WIDGET (window), priv->application_shortcut_controller);
}
_gtk_widget_update_parent_muxer (GTK_WIDGET (window));
_gtk_window_notify_keys_changed (window);
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_APPLICATION]);
}
}
/**
* gtk_window_set_destroy_with_parent:
* @window: a #GtkWindow
* @setting: whether to destroy @window with its transient parent
*
* If @setting is %TRUE, then destroying the transient parent of @window
* will also destroy @window itself. This is useful for dialogs that
* shouldn’t persist beyond the lifetime of the main window they're
* associated with, for example.
**/
void
gtk_window_set_destroy_with_parent (GtkWindow *window,
gboolean setting)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
if (priv->destroy_with_parent == (setting != FALSE))
return;
if (priv->destroy_with_parent)
{
disconnect_parent_destroyed (window);
}
else
{
connect_parent_destroyed (window);
}
priv->destroy_with_parent = setting;
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_DESTROY_WITH_PARENT]);
}
/**
* gtk_window_get_destroy_with_parent:
* @window: a #GtkWindow
*
* Returns whether the window will be destroyed with its transient parent. See
* gtk_window_set_destroy_with_parent ().
*
* Returns: %TRUE if the window will be destroyed with its transient parent.
**/
gboolean
gtk_window_get_destroy_with_parent (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
return priv->destroy_with_parent;
}
/**
* gtk_window_set_hide_on_close:
* @window: a #GtkWindow
* @setting: whether to hide the window when it is closed
*
* If @setting is %TRUE, then clicking the close button on the window
* will not destroy it, but only hide it.
*/
void
gtk_window_set_hide_on_close (GtkWindow *window,
gboolean setting)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
if (priv->hide_on_close == setting)
return;
priv->hide_on_close = setting;
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_HIDE_ON_CLOSE]);
}
/**
* gtk_window_get_hide_on_close:
* @window: a #GtkWindow
*
* Returns whether the window will be hidden when the close button is clicked.
*
* Returns: %TRUE if the window will be hidden
*/
gboolean
gtk_window_get_hide_on_close (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
return priv->hide_on_close;
}
static GtkWindowGeometryInfo*
gtk_window_get_geometry_info (GtkWindow *window,
gboolean create)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWindowGeometryInfo *info;
info = priv->geometry_info;
if (!info && create)
{
info = g_new0 (GtkWindowGeometryInfo, 1);
info->default_width = -1;
info->default_height = -1;
info->resize_width = -1;
info->resize_height = -1;
info->last.configure_request.x = 0;
info->last.configure_request.y = 0;
info->last.configure_request.width = -1;
info->last.configure_request.height = -1;
priv->geometry_info = info;
}
return info;
}
static void
unset_titlebar (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->title_box != NULL)
{
g_signal_handlers_disconnect_by_func (priv->title_box,
on_titlebar_title_notify,
window);
gtk_widget_unparent (priv->title_box);
priv->title_box = NULL;
priv->titlebar = NULL;
}
}
static gboolean
gtk_window_supports_client_shadow (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GdkDisplay *display;
display = priv->display;
if (!gdk_display_is_rgba (display))
return FALSE;
if (!gdk_display_is_composited (display))
return FALSE;
#ifdef GDK_WINDOWING_X11
if (GDK_IS_X11_DISPLAY (display))
{
if (!gdk_x11_screen_supports_net_wm_hint (gdk_x11_display_get_screen (display),
g_intern_static_string ("_GTK_FRAME_EXTENTS")))
return FALSE;
}
#endif
return TRUE;
}
static void
gtk_window_enable_csd (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget = GTK_WIDGET (window);
/* We need a visual with alpha for client shadows */
if (priv->use_client_shadow)
gtk_widget_add_css_class (widget, GTK_STYLE_CLASS_CSD);
else
gtk_widget_add_css_class (widget, "solid-csd");
priv->client_decorated = TRUE;
}
static void
on_titlebar_title_notify (GtkHeaderBar *titlebar,
GParamSpec *pspec,
GtkWindow *self)
{
const gchar *title;
title = gtk_header_bar_get_title (titlebar);
gtk_window_set_title_internal (self, title, FALSE);
}
/**
* gtk_window_set_titlebar:
* @window: a #GtkWindow
* @titlebar: (allow-none): the widget to use as titlebar
*
* Sets a custom titlebar for @window.
*
* A typical widget used here is #GtkHeaderBar, as it provides various features
* expected of a titlebar while allowing the addition of child widgets to it.
*
* If you set a custom titlebar, GTK+ will do its best to convince
* the window manager not to put its own titlebar on the window.
* Depending on the system, this function may not work for a window
* that is already visible, so you set the titlebar before calling
* gtk_widget_show().
*/
void
gtk_window_set_titlebar (GtkWindow *window,
GtkWidget *titlebar)
{
GtkWidget *widget = GTK_WIDGET (window);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
gboolean was_mapped;
g_return_if_fail (GTK_IS_WINDOW (window));
if ((!priv->title_box && titlebar) || (priv->title_box && !titlebar))
{
was_mapped = _gtk_widget_get_mapped (widget);
if (_gtk_widget_get_realized (widget))
{
g_warning ("gtk_window_set_titlebar() called on a realized window");
gtk_widget_unrealize (widget);
}
}
else
was_mapped = FALSE;
unset_titlebar (window);
if (titlebar == NULL)
{
priv->client_decorated = FALSE;
gtk_widget_remove_css_class (widget, GTK_STYLE_CLASS_CSD);
goto out;
}
priv->use_client_shadow = gtk_window_supports_client_shadow (window);
gtk_window_enable_csd (window);
priv->title_box = titlebar;
/* Same reason as in gtk_window_add */
gtk_css_node_insert_before (gtk_widget_get_css_node (GTK_WIDGET (window)),
gtk_widget_get_css_node (titlebar),
NULL);
gtk_widget_set_parent (priv->title_box, widget);
if (GTK_IS_HEADER_BAR (titlebar))
{
g_signal_connect (titlebar, "notify::title",
G_CALLBACK (on_titlebar_title_notify), window);
on_titlebar_title_notify (GTK_HEADER_BAR (titlebar), NULL, window);
}
gtk_widget_add_css_class (titlebar, GTK_STYLE_CLASS_TITLEBAR);
out:
if (was_mapped)
gtk_widget_map (widget);
}
/**
* gtk_window_get_titlebar:
* @window: a #GtkWindow
*
* Returns the custom titlebar that has been set with
* gtk_window_set_titlebar().
*
* Returns: (nullable) (transfer none): the custom titlebar, or %NULL
*/
GtkWidget *
gtk_window_get_titlebar (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), NULL);
/* Don't return the internal titlebar */
if (priv->title_box == priv->titlebar)
return NULL;
return priv->title_box;
}
gboolean
_gtk_window_titlebar_shows_app_menu (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (GTK_IS_HEADER_BAR (priv->title_box))
return _gtk_header_bar_shows_app_menu (GTK_HEADER_BAR (priv->title_box));
return FALSE;
}
/**
* gtk_window_set_decorated:
* @window: a #GtkWindow
* @setting: %TRUE to decorate the window
*
* By default, windows are decorated with a title bar, resize
* controls, etc. Some [window managers][gtk-X11-arch]
* allow GTK+ to disable these decorations, creating a
* borderless window. If you set the decorated property to %FALSE
* using this function, GTK+ will do its best to convince the window
* manager not to decorate the window. Depending on the system, this
* function may not have any effect when called on a window that is
* already visible, so you should call it before calling gtk_widget_show().
*
* On Windows, this function always works, since there’s no window manager
* policy involved.
*
**/
void
gtk_window_set_decorated (GtkWindow *window,
gboolean setting)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
setting = setting != FALSE;
if (setting == priv->decorated)
return;
priv->decorated = setting;
if (priv->surface)
gdk_toplevel_set_decorated (GDK_TOPLEVEL (priv->surface), priv->decorated && !priv->client_decorated);
update_window_buttons (window);
gtk_widget_queue_resize (GTK_WIDGET (window));
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_DECORATED]);
}
/**
* gtk_window_get_decorated:
* @window: a #GtkWindow
*
* Returns whether the window has been set to have decorations
* such as a title bar via gtk_window_set_decorated().
*
* Returns: %TRUE if the window has been set to have decorations
**/
gboolean
gtk_window_get_decorated (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), TRUE);
return priv->decorated;
}
/**
* gtk_window_set_deletable:
* @window: a #GtkWindow
* @setting: %TRUE to decorate the window as deletable
*
* By default, windows have a close button in the window frame. Some
* [window managers][gtk-X11-arch] allow GTK+ to
* disable this button. If you set the deletable property to %FALSE
* using this function, GTK+ will do its best to convince the window
* manager not to show a close button. Depending on the system, this
* function may not have any effect when called on a window that is
* already visible, so you should call it before calling gtk_widget_show().
*
* On Windows, this function always works, since there’s no window manager
* policy involved.
*/
void
gtk_window_set_deletable (GtkWindow *window,
gboolean setting)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
setting = setting != FALSE;
if (setting == priv->deletable)
return;
priv->deletable = setting;
if (priv->surface)
gdk_toplevel_set_deletable (GDK_TOPLEVEL (priv->surface), priv->deletable);
update_window_buttons (window);
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_DELETABLE]);
}
/**
* gtk_window_get_deletable:
* @window: a #GtkWindow
*
* Returns whether the window has been set to have a close button
* via gtk_window_set_deletable().
*
* Returns: %TRUE if the window has been set to have a close button
**/
gboolean
gtk_window_get_deletable (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), TRUE);
return priv->deletable;
}
static GtkWindowIconInfo*
get_icon_info (GtkWindow *window)
{
return g_object_get_qdata (G_OBJECT (window), quark_gtk_window_icon_info);
}
static void
free_icon_info (GtkWindowIconInfo *info)
{
g_free (info->icon_name);
g_slice_free (GtkWindowIconInfo, info);
}
static GtkWindowIconInfo*
ensure_icon_info (GtkWindow *window)
{
GtkWindowIconInfo *info;
info = get_icon_info (window);
if (info == NULL)
{
info = g_slice_new0 (GtkWindowIconInfo);
g_object_set_qdata_full (G_OBJECT (window),
quark_gtk_window_icon_info,
info,
(GDestroyNotify)free_icon_info);
}
return info;
}
static int
icon_size_compare (GdkTexture *a,
GdkTexture *b)
{
int area_a, area_b;
area_a = gdk_texture_get_width (a) * gdk_texture_get_height (a);
area_b = gdk_texture_get_width (b) * gdk_texture_get_height (b);
return area_a - area_b;
}
static GdkTexture *
render_paintable_to_texture (GdkPaintable *paintable)
{
GtkSnapshot *snapshot;
GskRenderNode *node;
int width, height;
cairo_surface_t *surface;
cairo_t *cr;
GdkTexture *texture;
width = gdk_paintable_get_intrinsic_width (paintable);
height = gdk_paintable_get_intrinsic_height (paintable);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
snapshot = gtk_snapshot_new ();
gdk_paintable_snapshot (paintable, snapshot, width, height);
node = gtk_snapshot_free_to_node (snapshot);
cr = cairo_create (surface);
gsk_render_node_draw (node, cr);
cairo_destroy (cr);
gsk_render_node_unref (node);
texture = gdk_texture_new_for_surface (surface);
cairo_surface_destroy (surface);
return texture;
}
static GList *
icon_list_from_theme (GtkWindow *window,
const gchar *name)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GList *list;
GtkStyleContext *context;
GtkCssValue *value;
GtkIconTheme *icon_theme;
GtkIconPaintable *info;
GdkTexture *texture;
gint *sizes;
gint i;
context = gtk_widget_get_style_context (GTK_WIDGET (window));
value = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ICON_THEME);
icon_theme = gtk_css_icon_theme_value_get_icon_theme (value);
sizes = gtk_icon_theme_get_icon_sizes (icon_theme, name);
list = NULL;
for (i = 0; sizes[i]; i++)
{
/* FIXME
* We need an EWMH extension to handle scalable icons
* by passing their name to the WM. For now just use a
* fixed size of 48.
*/
if (sizes[i] == -1)
info = gtk_icon_theme_lookup_icon (icon_theme, name, NULL,
48, priv->scale,
gtk_widget_get_direction (GTK_WIDGET (window)),
0);
else
info = gtk_icon_theme_lookup_icon (icon_theme, name, NULL,
sizes[i], priv->scale,
gtk_widget_get_direction (GTK_WIDGET (window)),
0);
texture = render_paintable_to_texture (GDK_PAINTABLE (info));
list = g_list_insert_sorted (list, texture, (GCompareFunc) icon_size_compare);
g_object_unref (info);
}
g_free (sizes);
return list;
}
static void
gtk_window_realize_icon (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWindowIconInfo *info;
GList *icon_list = NULL;
g_return_if_fail (priv->surface != NULL);
info = ensure_icon_info (window);
if (info->realized)
return;
info->using_default_icon = FALSE;
info->using_themed_icon = FALSE;
/* Look up themed icon */
if (icon_list == NULL && info->icon_name)
{
icon_list = icon_list_from_theme (window, info->icon_name);
if (icon_list)
info->using_themed_icon = TRUE;
}
/* Look up themed icon */
if (icon_list == NULL && default_icon_name)
{
icon_list = icon_list_from_theme (window, default_icon_name);
info->using_default_icon = TRUE;
info->using_themed_icon = TRUE;
}
info->realized = TRUE;
gdk_toplevel_set_icon_list (GDK_TOPLEVEL (priv->surface), icon_list);
if (GTK_IS_HEADER_BAR (priv->title_box))
_gtk_header_bar_update_window_icon (GTK_HEADER_BAR (priv->title_box), window);
if (info->using_themed_icon)
g_list_free_full (icon_list, g_object_unref);
}
GdkPaintable *
gtk_window_get_icon_for_size (GtkWindow *window,
int size)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
const char *name;
GtkIconPaintable *info;
name = gtk_window_get_icon_name (window);
if (!name)
name = default_icon_name;
if (!name)
return NULL;
info = gtk_icon_theme_lookup_icon (gtk_icon_theme_get_for_display (gtk_widget_get_display (GTK_WIDGET (window))),
name, NULL, size, priv->scale,
gtk_widget_get_direction (GTK_WIDGET (window)),
0);
if (info == NULL)
return NULL;
return GDK_PAINTABLE (info);
}
static void
gtk_window_unrealize_icon (GtkWindow *window)
{
GtkWindowIconInfo *info;
info = get_icon_info (window);
if (info == NULL)
return;
/* We don't clear the properties on the window, just figure the
* window is going away.
*/
info->realized = FALSE;
}
static void
update_themed_icon (GtkWindow *window)
{
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_ICON_NAME]);
gtk_window_unrealize_icon (window);
if (_gtk_widget_get_realized (GTK_WIDGET (window)))
gtk_window_realize_icon (window);
}
/**
* gtk_window_set_icon_name:
* @window: a #GtkWindow
* @name: (allow-none): the name of the themed icon
*
* Sets the icon for the window from a named themed icon.
* See the docs for #GtkIconTheme for more details.
* On some platforms, the window icon is not used at all.
*
* Note that this has nothing to do with the WM_ICON_NAME
* property which is mentioned in the ICCCM.
*/
void
gtk_window_set_icon_name (GtkWindow *window,
const gchar *name)
{
GtkWindowIconInfo *info;
gchar *tmp;
g_return_if_fail (GTK_IS_WINDOW (window));
info = ensure_icon_info (window);
if (g_strcmp0 (info->icon_name, name) == 0)
return;
tmp = info->icon_name;
info->icon_name = g_strdup (name);
g_free (tmp);
update_themed_icon (window);
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_ICON_NAME]);
}
/**
* gtk_window_get_icon_name:
* @window: a #GtkWindow
*
* Returns the name of the themed icon for the window,
* see gtk_window_set_icon_name().
*
* Returns: (nullable): the icon name or %NULL if the window has
* no themed icon
*/
const gchar *
gtk_window_get_icon_name (GtkWindow *window)
{
GtkWindowIconInfo *info;
g_return_val_if_fail (GTK_IS_WINDOW (window), NULL);
info = ensure_icon_info (window);
return info->icon_name;
}
/**
* gtk_window_set_default_icon_name:
* @name: the name of the themed icon
*
* Sets an icon to be used as fallback for windows that haven't
* had gtk_window_set_icon_list() called on them from a named
* themed icon, see gtk_window_set_icon_name().
**/
void
gtk_window_set_default_icon_name (const gchar *name)
{
GList *tmp_list;
GList *toplevels;
g_free (default_icon_name);
default_icon_name = g_strdup (name);
/* Update all toplevels */
toplevels = gtk_window_list_toplevels ();
tmp_list = toplevels;
while (tmp_list != NULL)
{
GtkWindowIconInfo *info;
GtkWindow *w = tmp_list->data;
info = get_icon_info (w);
if (info && info->using_default_icon && info->using_themed_icon)
{
gtk_window_unrealize_icon (w);
if (_gtk_widget_get_realized (GTK_WIDGET (w)))
gtk_window_realize_icon (w);
}
tmp_list = tmp_list->next;
}
g_list_free (toplevels);
}
/**
* gtk_window_get_default_icon_name:
*
* Returns the fallback icon name for windows that has been set
* with gtk_window_set_default_icon_name(). The returned
* string is owned by GTK+ and should not be modified. It
* is only valid until the next call to
* gtk_window_set_default_icon_name().
*
* Returns: the fallback icon name for windows
*/
const gchar *
gtk_window_get_default_icon_name (void)
{
return default_icon_name;
}
#define INCLUDE_CSD_SIZE 1
#define EXCLUDE_CSD_SIZE -1
static void
gtk_window_update_csd_size (GtkWindow *window,
gint *width,
gint *height,
gint apply)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkBorder window_border = { 0 };
gint w, h;
if (!priv->decorated ||
priv->fullscreen)
return;
get_shadow_width (window, &window_border);
w = *width + apply * (window_border.left + window_border.right);
h = *height + apply * (window_border.top + window_border.bottom);
if (priv->title_box != NULL &&
gtk_widget_get_visible (priv->title_box) &&
gtk_widget_get_child_visible (priv->title_box))
{
gint minimum_height;
gint natural_height;
gtk_widget_measure (priv->title_box, GTK_ORIENTATION_VERTICAL, -1,
&minimum_height, &natural_height,
NULL, NULL);
h += apply * natural_height;
}
/* Make sure the size remains acceptable */
if (w < 1)
w = 1;
if (h < 1)
h = 1;
/* Only update given size if not negative */
if (*width > -1)
*width = w;
if (*height > -1)
*height = h;
}
static void
gtk_window_set_default_size_internal (GtkWindow *window,
gboolean change_width,
gint width,
gboolean change_height,
gint height)
{
GtkWindowGeometryInfo *info;
g_return_if_fail (change_width == FALSE || width >= -1);
g_return_if_fail (change_height == FALSE || height >= -1);
info = gtk_window_get_geometry_info (window, TRUE);
g_object_freeze_notify (G_OBJECT (window));
if (change_width)
{
if (width == 0)
width = 1;
if (width < 0)
width = -1;
if (info->default_width != width)
{
info->default_width = width;
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_DEFAULT_WIDTH]);
}
}
if (change_height)
{
if (height == 0)
height = 1;
if (height < 0)
height = -1;
if (info->default_height != height)
{
info->default_height = height;
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_DEFAULT_HEIGHT]);
}
}
g_object_thaw_notify (G_OBJECT (window));
gtk_widget_queue_resize (GTK_WIDGET (window));
}
/**
* gtk_window_set_default_size:
* @window: a #GtkWindow
* @width: width in pixels, or -1 to unset the default width
* @height: height in pixels, or -1 to unset the default height
*
* Sets the default size of a window. If the window’s “natural” size
* (its size request) is larger than the default, the default will be
* ignored.
*
* Unlike gtk_widget_set_size_request(), which sets a size request for
* a widget and thus would keep users from shrinking the window, this
* function only sets the initial size, just as if the user had
* resized the window themselves. Users can still shrink the window
* again as they normally would. Setting a default size of -1 means to
* use the “natural” default size (the size request of the window).
*
* For some uses, gtk_window_resize() is a more appropriate function.
* gtk_window_resize() changes the current size of the window, rather
* than the size to be used on initial display. gtk_window_resize() always
* affects the window itself, not the geometry widget.
*
* The default size of a window only affects the first time a window is
* shown; if a window is hidden and re-shown, it will remember the size
* it had prior to hiding, rather than using the default size.
*
* Windows can’t actually be 0x0 in size, they must be at least 1x1, but
* passing 0 for @width and @height is OK, resulting in a 1x1 default size.
*
* If you use this function to reestablish a previously saved window size,
* note that the appropriate size to save is the one returned by
* gtk_window_get_size(). Using the window allocation directly will not
* work in all circumstances and can lead to growing or shrinking windows.
*/
void
gtk_window_set_default_size (GtkWindow *window,
gint width,
gint height)
{
g_return_if_fail (GTK_IS_WINDOW (window));
g_return_if_fail (width >= -1);
g_return_if_fail (height >= -1);
gtk_window_set_default_size_internal (window, TRUE, width, TRUE, height);
}
/**
* gtk_window_get_default_size:
* @window: a #GtkWindow
* @width: (out) (allow-none): location to store the default width, or %NULL
* @height: (out) (allow-none): location to store the default height, or %NULL
*
* Gets the default size of the window. A value of -1 for the width or
* height indicates that a default size has not been explicitly set
* for that dimension, so the “natural” size of the window will be
* used.
*
**/
void
gtk_window_get_default_size (GtkWindow *window,
gint *width,
gint *height)
{
GtkWindowGeometryInfo *info;
g_return_if_fail (GTK_IS_WINDOW (window));
info = gtk_window_get_geometry_info (window, FALSE);
if (width)
*width = info ? info->default_width : -1;
if (height)
*height = info ? info->default_height : -1;
}
/**
* gtk_window_resize:
* @window: a #GtkWindow
* @width: width in pixels to resize the window to
* @height: height in pixels to resize the window to
*
* Resizes the window as if the user had done so, obeying geometry
* constraints. The default geometry constraint is that windows may
* not be smaller than their size request; to override this
* constraint, call gtk_widget_set_size_request() to set the window's
* request to a smaller value.
*
* If gtk_window_resize() is called before showing a window for the
* first time, it overrides any default size set with
* gtk_window_set_default_size().
*
* Windows may not be resized smaller than 1 by 1 pixels.
*
* When using client side decorations, GTK+ will do its best to adjust
* the given size so that the resulting window size matches the
* requested size without the title bar, borders and shadows added for
* the client side decorations, but there is no guarantee that the
* result will be totally accurate because these widgets added for
* client side decorations depend on the theme and may not be realized
* or visible at the time gtk_window_resize() is issued.
*
* If the GtkWindow has a titlebar widget (see gtk_window_set_titlebar()), then
* typically, gtk_window_resize() will compensate for the height of the titlebar
* widget only if the height is known when the resulting GtkWindow configuration
* is issued.
* For example, if new widgets are added after the GtkWindow configuration
* and cause the titlebar widget to grow in height, this will result in a
* window content smaller that specified by gtk_window_resize() and not
* a larger window.
*
**/
void
gtk_window_resize (GtkWindow *window,
gint width,
gint height)
{
GtkWindowGeometryInfo *info;
g_return_if_fail (GTK_IS_WINDOW (window));
g_return_if_fail (width > 0);
g_return_if_fail (height > 0);
info = gtk_window_get_geometry_info (window, TRUE);
info->resize_width = width;
info->resize_height = height;
gtk_widget_queue_resize (GTK_WIDGET (window));
}
/**
* gtk_window_get_size:
* @window: a #GtkWindow
* @width: (out) (optional): return location for width, or %NULL
* @height: (out) (optional): return location for height, or %NULL
*
* Obtains the current size of @window.
*
* If @window is not visible on screen, this function return the size GTK+
* will suggest to the [window manager][gtk-X11-arch] for the initial window
* size (but this is not reliably the same as the size the window manager
* will actually select). See: gtk_window_set_default_size().
*
* Depending on the windowing system and the window manager constraints,
* the size returned by this function may not match the size set using
* gtk_window_resize(); additionally, since gtk_window_resize() may be
* implemented as an asynchronous operation, GTK+ cannot guarantee in any
* way that this code:
*
* |[<!-- language="C" -->
* GtkWindow *window = GTK_WINDOW (gtk_window_new ());
* int width = 500;
* int height = 300;
* gtk_window_resize (window, width, height);
*
* int new_width, new_height;
* gtk_window_get_size (window, &new_width, &new_height);
* ]|
*
* will result in `new_width` and `new_height` matching `width` and
* `height`, respectively.
*
* This function will return the logical size of the #GtkWindow,
* excluding the widgets used in client side decorations; there is,
* however, no guarantee that the result will be completely accurate
* because client side decoration may include widgets that depend on
* the user preferences and that may not be visibile at the time you
* call this function.
*
* The dimensions returned by this function are suitable for being
* stored across sessions; use gtk_window_set_default_size() to
* restore them when before showing the window.
*
* To avoid potential race conditions, you should only call this
* function in response to a size change notification, for instance
* inside a handler for the #GtkWidget::size-allocate signal, or
* inside a handler for the #GtkWidget::configure-event signal:
*
* |[<!-- language="C" -->
* static void
* on_size_allocate (GtkWidget *widget,
* const GtkAllocation *allocation,
* int baseline)
* {
* int new_width, new_height;
*
* gtk_window_get_size (GTK_WINDOW (widget), &new_width, &new_height);
*
* // ...
* }
* ]|
*
* Note that, if you connect to the #GtkWidget::size-allocate signal,
* you should not use the dimensions of the #GtkAllocation passed to
* the signal handler, as the allocation may contain client side
* decorations added by GTK+, depending on the windowing system in
* use.
*
* If you are getting a window size in order to position the window
* on the screen, you should, instead, simply set the window’s semantic
* type with gtk_window_set_type_hint(), which allows the window manager
* to e.g. center dialogs. Also, if you set the transient parent of
* dialogs with gtk_window_set_transient_for() window managers will
* often center the dialog over its parent window. It's much preferred
* to let the window manager handle these cases rather than doing it
* yourself, because all apps will behave consistently and according to
* user or system preferences, if the window manager handles it. Also,
* the window manager can take into account the size of the window
* decorations and border that it may add, and of which GTK+ has no
* knowledge. Additionally, positioning windows in global screen coordinates
* may not be allowed by the windowing system. For more information,
* see: gtk_window_set_position().
*/
void
gtk_window_get_size (GtkWindow *window,
gint *width,
gint *height)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
gint w, h;
g_return_if_fail (GTK_IS_WINDOW (window));
if (width == NULL && height == NULL)
return;
if (_gtk_widget_get_mapped (GTK_WIDGET (window)))
{
w = gdk_surface_get_width (priv->surface);
h = gdk_surface_get_height (priv->surface);
}
else
{
GdkRectangle configure_request;
gtk_window_compute_configure_request (window,
&configure_request,
NULL, NULL);
w = configure_request.width;
h = configure_request.height;
}
gtk_window_update_csd_size (window, &w, &h, EXCLUDE_CSD_SIZE);
if (width)
*width = w;
if (height)
*height = h;
}
static void
gtk_window_destroy (GtkWidget *widget)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
guint i;
gtk_window_release_application (window);
for (i = 0; i < g_list_model_get_n_items (G_LIST_MODEL (toplevel_list)); i++)
{
gpointer item = g_list_model_get_item (G_LIST_MODEL (toplevel_list), i);
if (item == window)
{
g_list_store_remove (toplevel_list, i);
break;
}
else
g_object_unref (item);
}
if (priv->transient_parent)
gtk_window_set_transient_for (window, NULL);
remove_attach_widget (window);
if (priv->has_user_ref_count)
{
priv->has_user_ref_count = FALSE;
g_object_unref (window);
}
if (priv->group)
gtk_window_group_remove_window (priv->group, window);
GTK_WIDGET_CLASS (gtk_window_parent_class)->destroy (widget);
}
static gboolean
gtk_window_close_request (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->hide_on_close)
{
gtk_widget_hide (GTK_WIDGET (window));
return TRUE;
}
return FALSE;
}
gboolean
gtk_window_emit_close_request (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
gboolean handled;
/* Avoid re-entrancy issues when calling gtk_window_close from a
* close-request handler */
if (priv->in_emit_close_request)
return TRUE;
priv->in_emit_close_request = TRUE;
g_signal_emit (window, window_signals[CLOSE_REQUEST], 0, &handled);
priv->in_emit_close_request = FALSE;
return handled;
}
static void
gtk_window_finalize (GObject *object)
{
GtkWindow *window = GTK_WINDOW (object);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_clear_pointer (&priv->extra_input_region, cairo_region_destroy);
g_free (priv->title);
gtk_window_release_application (window);
if (priv->geometry_info)
{
g_free (priv->geometry_info);
}
if (priv->keys_changed_handler)
{
g_source_remove (priv->keys_changed_handler);
priv->keys_changed_handler = 0;
}
g_signal_handlers_disconnect_by_func (gdk_display_get_default_seat (priv->display),
device_removed_cb,
window);
#ifdef GDK_WINDOWING_X11
g_signal_handlers_disconnect_by_func (gtk_settings_get_for_display (priv->display),
gtk_window_on_theme_variant_changed,
window);
#endif
g_free (priv->startup_id);
if (priv->mnemonics_display_timeout_id)
{
g_source_remove (priv->mnemonics_display_timeout_id);
priv->mnemonics_display_timeout_id = 0;
}
g_clear_object (&priv->constraint_solver);
g_clear_object (&priv->renderer);
G_OBJECT_CLASS (gtk_window_parent_class)->finalize (object);
}
/* copied from gdksurface-x11.c */
static const gchar *
get_default_title (void)
{
const gchar *title;
title = g_get_application_name ();
if (!title)
title = g_get_prgname ();
if (!title)
title = "";
return title;
}
static gboolean
update_csd_visibility (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
gboolean visible;
if (priv->title_box == NULL)
return FALSE;
visible = !priv->fullscreen &&
priv->decorated;
gtk_widget_set_child_visible (priv->title_box, visible);
return visible;
}
static void
update_window_buttons (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (!update_csd_visibility (window))
return;
if (GTK_IS_HEADER_BAR (priv->title_box))
_gtk_header_bar_update_window_buttons (GTK_HEADER_BAR (priv->title_box));
}
static GtkWidget *
create_titlebar (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *titlebar;
titlebar = gtk_header_bar_new ();
g_object_set (titlebar,
"title", priv->title ? priv->title : get_default_title (),
"has-subtitle", FALSE,
"show-title-buttons", TRUE,
NULL);
gtk_widget_add_css_class (titlebar, GTK_STYLE_CLASS_TITLEBAR);
gtk_widget_add_css_class (titlebar, "default-decoration");
return titlebar;
}
void
_gtk_window_request_csd (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
priv->csd_requested = TRUE;
}
static gboolean
gtk_window_should_use_csd (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
const gchar *csd_env;
if (priv->csd_requested)
return TRUE;
if (!priv->decorated)
return FALSE;
csd_env = g_getenv ("GTK_CSD");
#ifdef GDK_WINDOWING_BROADWAY
if (GDK_IS_BROADWAY_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
return TRUE;
#endif
#ifdef GDK_WINDOWING_WAYLAND
if (GDK_IS_WAYLAND_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
{
GdkDisplay *gdk_display = gtk_widget_get_display (GTK_WIDGET (window));
return !gdk_wayland_display_prefers_ssd (gdk_display);
}
#endif
#ifdef GDK_WINDOWING_WIN32
if (g_strcmp0 (csd_env, "0") != 0 &&
GDK_IS_WIN32_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
return TRUE;
#endif
return (g_strcmp0 (csd_env, "1") == 0);
}
static void
create_decoration (GtkWidget *widget)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
priv->use_client_shadow = gtk_window_supports_client_shadow (window);
if (!priv->use_client_shadow)
return;
gtk_window_enable_csd (window);
if (priv->title_box == NULL)
{
priv->titlebar = create_titlebar (window);
gtk_widget_set_parent (priv->titlebar, widget);
priv->title_box = priv->titlebar;
}
update_window_buttons (window);
}
static void
gtk_window_show (GtkWidget *widget)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
_gtk_widget_set_visible_flag (widget, TRUE);
gtk_css_node_validate (gtk_widget_get_css_node (widget));
gtk_widget_realize (widget);
gtk_window_check_resize (window);
gtk_widget_map (widget);
if (!priv->focus_widget)
gtk_window_move_focus (widget, GTK_DIR_TAB_FORWARD);
if (priv->modal)
gtk_grab_add (widget);
}
static void
gtk_window_hide (GtkWidget *widget)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
_gtk_widget_set_visible_flag (widget, FALSE);
gtk_widget_unmap (widget);
if (priv->modal)
gtk_grab_remove (widget);
}
static GdkToplevelLayout *
gtk_window_compute_layout (GtkWindow *window,
int min_width,
int min_height)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GdkToplevelLayout *layout;
layout = gdk_toplevel_layout_new (min_width, min_height);
gdk_toplevel_layout_set_resizable (layout, priv->resizable);
gdk_toplevel_layout_set_maximized (layout, priv->maximize_initially);
gdk_toplevel_layout_set_fullscreen (layout,
priv->fullscreen_initially,
priv->initial_fullscreen_monitor);
return layout;
}
static void
gtk_window_present_toplevel (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GdkRectangle request;
GdkGeometry geometry;
GdkSurfaceHints flags;
gtk_window_compute_configure_request (window, &request,
&geometry, &flags);
if (!(flags & GDK_HINT_MIN_SIZE))
geometry.min_width = geometry.min_height = 1;
if (!priv->layout)
priv->layout = gtk_window_compute_layout (window, geometry.min_width, geometry.min_height);
gdk_toplevel_present (GDK_TOPLEVEL (priv->surface),
request.width,
request.height,
priv->layout);
}
static void
gtk_window_update_toplevel (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->surface && gdk_surface_get_mapped (priv->surface))
{
int min_width = 1;
int min_height = 1;
if (priv->layout)
{
min_width = gdk_toplevel_layout_get_min_width (priv->layout);
min_height = gdk_toplevel_layout_get_min_height (priv->layout);
}
g_clear_pointer (&priv->layout, gdk_toplevel_layout_unref);
priv->layout = gtk_window_compute_layout (window, min_width, min_height);
gdk_toplevel_present (GDK_TOPLEVEL (priv->surface),
gdk_surface_get_width (priv->surface),
gdk_surface_get_height (priv->surface),
priv->layout);
}
}
static void
gtk_window_map (GtkWidget *widget)
{
GtkWidget *child;
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GTK_WIDGET_CLASS (gtk_window_parent_class)->map (widget);
child = gtk_bin_get_child (GTK_BIN (window));
if (child != NULL && gtk_widget_get_visible (child))
gtk_widget_map (child);
if (priv->title_box != NULL &&
gtk_widget_get_visible (priv->title_box) &&
gtk_widget_get_child_visible (priv->title_box))
gtk_widget_map (priv->title_box);
gtk_window_present_toplevel (window);
if (priv->minimize_initially)
gdk_toplevel_minimize (GDK_TOPLEVEL (priv->surface));
gtk_window_set_theme_variant (window);
/* No longer use the default settings */
priv->need_default_size = FALSE;
if (!disable_startup_notification)
{
/* Do we have a custom startup-notification id? */
if (priv->startup_id != NULL)
{
/* Make sure we have a "real" id */
if (!startup_id_is_fake (priv->startup_id))
gdk_display_notify_startup_complete (gtk_widget_get_display (widget), priv->startup_id);
g_free (priv->startup_id);
priv->startup_id = NULL;
}
else
gdk_display_notify_startup_complete (gtk_widget_get_display (widget), NULL);
}
/* inherit from transient parent, so that a dialog that is
* opened via keynav shows focus initially
*/
if (priv->transient_parent)
gtk_window_set_focus_visible (window, gtk_window_get_focus_visible (priv->transient_parent));
else
gtk_window_set_focus_visible (window, FALSE);
if (priv->application)
gtk_application_handle_window_map (priv->application, window);
}
static void
gtk_window_unmap (GtkWidget *widget)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *child;
GdkSurfaceState state;
GTK_WIDGET_CLASS (gtk_window_parent_class)->unmap (widget);
gdk_surface_hide (priv->surface);
while (priv->configure_request_count > 0)
{
priv->configure_request_count--;
gdk_surface_thaw_toplevel_updates (priv->surface);
}
priv->configure_notify_received = FALSE;
state = gdk_toplevel_get_state (GDK_TOPLEVEL (priv->surface));
priv->minimize_initially = (state & GDK_SURFACE_STATE_MINIMIZED) != 0;
priv->maximize_initially = (state & GDK_SURFACE_STATE_MAXIMIZED) != 0;
if (priv->title_box != NULL)
gtk_widget_unmap (priv->title_box);
child = gtk_bin_get_child (GTK_BIN (window));
if (child != NULL)
gtk_widget_unmap (child);
}
/* (Note: Replace "size" with "width" or "height". Also, the request
* mode is honoured.)
* For selecting the default window size, the following conditions
* should hold (in order of importance):
* - the size is not below the minimum size
* Windows cannot be resized below their minimum size, so we must
* ensure we don’t do that either.
* - the size is not above the natural size
* It seems weird to allocate more than this in an initial guess.
* - the size does not exceed that of a maximized window
* We want to see the whole window after all.
* (Note that this may not be possible to achieve due to imperfect
* information from the windowing system.)
*/
static void
gtk_window_guess_default_size (GtkWindow *window,
gint *width,
gint *height)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget;
GdkSurface *surface;
GdkDisplay *display;
GdkMonitor *monitor;
GdkRectangle workarea;
int minimum, natural;
widget = GTK_WIDGET (window);
display = gtk_widget_get_display (widget);
surface = priv->surface;
if (surface)
monitor = gdk_display_get_monitor_at_surface (display, surface);
else
monitor = gdk_display_get_monitor (display, 0);
gdk_monitor_get_workarea (monitor, &workarea);
*width = workarea.width;
*height = workarea.height;
if (gtk_widget_get_request_mode (widget) == GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT)
{
gtk_widget_measure (widget, GTK_ORIENTATION_VERTICAL, -1,
&minimum, &natural,
NULL, NULL);
*height = MAX (minimum, MIN (*height, natural));
gtk_widget_measure (widget, GTK_ORIENTATION_HORIZONTAL,
*height,
&minimum, &natural,
NULL, NULL);
*width = MAX (minimum, MIN (*width, natural));
}
else /* GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH or CONSTANT_SIZE */
{
gtk_widget_measure (widget, GTK_ORIENTATION_HORIZONTAL, -1,
&minimum, &natural,
NULL, NULL);
*width = MAX (minimum, MIN (*width, natural));
gtk_widget_measure (widget, GTK_ORIENTATION_VERTICAL,
*width,
&minimum, &natural,
NULL, NULL);
*height = MAX (minimum, MIN (*height, natural));
}
}
static void
gtk_window_get_remembered_size (GtkWindow *window,
int *width,
int *height)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWindowGeometryInfo *info;
*width = 0;
*height = 0;
if (priv->surface)
{
*width = gdk_surface_get_width (priv->surface);
*height = gdk_surface_get_height (priv->surface);
return;
}
info = gtk_window_get_geometry_info (window, FALSE);
if (info)
{
/* MAX() works even if the last request is unset with -1 */
*width = MAX (*width, info->last.configure_request.width);
*height = MAX (*height, info->last.configure_request.height);
}
}
static void
check_scale_changed (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget = GTK_WIDGET (window);
int old_scale;
old_scale = priv->scale;
priv->scale = gtk_widget_get_scale_factor (widget);
if (old_scale != priv->scale)
_gtk_widget_scale_changed (widget);
}
static void
sum_borders (GtkBorder *one,
GtkBorder *two)
{
one->top += two->top;
one->right += two->right;
one->bottom += two->bottom;
one->left += two->left;
}
static void
max_borders (GtkBorder *one,
GtkBorder *two)
{
one->top = MAX (one->top, two->top);
one->right = MAX (one->right, two->right);
one->bottom = MAX (one->bottom, two->bottom);
one->left = MAX (one->left, two->left);
}
static void
subtract_borders (GtkBorder *one,
GtkBorder *two)
{
one->top -= two->top;
one->right -= two->right;
one->bottom -= two->bottom;
one->left -= two->left;
}
static void
get_shadow_width (GtkWindow *window,
GtkBorder *shadow_width)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkBorder border = { 0 };
GtkBorder d = { 0 };
GtkBorder margin;
GtkStyleContext *context;
GtkCssValue *shadows;
*shadow_width = border;
if (!priv->decorated)
return;
if (!priv->client_decorated &&
!(gtk_window_should_use_csd (window) &&
gtk_window_supports_client_shadow (window)))
return;
if (priv->maximized ||
priv->fullscreen)
return;
context = _gtk_widget_get_style_context (GTK_WIDGET (window));
gtk_style_context_save_to_node (context, priv->decoration_node);
/* Always sum border + padding */
gtk_style_context_get_border (context, &border);
gtk_style_context_get_padding (context, &d);
sum_borders (&d, &border);
/* Calculate the size of the drop shadows ... */
shadows = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BOX_SHADOW);
gtk_css_shadow_value_get_extents (shadows, &border);
/* ... and compare it to the margin size, which we use for resize grips */
gtk_style_context_get_margin (context, &margin);
max_borders (&border, &margin);
sum_borders (&d, &border);
*shadow_width = d;
gtk_style_context_restore (context);
}
static void
update_csd_shape (GtkWindow *window)
{
GtkWidget *widget = (GtkWidget *)window;
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
cairo_rectangle_int_t rect;
GtkBorder border, tmp;
GtkBorder window_border;
GtkStyleContext *context;
if (!priv->client_decorated)
return;
context = _gtk_widget_get_style_context (widget);
gtk_style_context_save_to_node (context, priv->decoration_node);
gtk_style_context_get_margin (context, &border);
gtk_style_context_get_border (context, &tmp);
sum_borders (&border, &tmp);
gtk_style_context_get_padding (context, &tmp);
sum_borders (&border, &tmp);
gtk_style_context_restore (context);
get_shadow_width (window, &window_border);
/* update the input shape, which makes it so that clicks
* outside the border windows go through.
*/
subtract_borders (&window_border, &border);
rect.x = window_border.left;
rect.y = window_border.top;
rect.width = gtk_widget_get_allocated_width (widget) - window_border.left - window_border.right;
rect.height = gtk_widget_get_allocated_height (widget) - window_border.top - window_border.bottom;
if (rect.width > 0 && rect.height > 0)
{
cairo_region_t *region = cairo_region_create_rectangle (&rect);
if (priv->extra_input_region)
cairo_region_intersect (region, priv->extra_input_region);
gdk_surface_set_input_region (priv->surface, region);
cairo_region_destroy (region);
}
}
void
gtk_window_set_extra_input_region (GtkWindow *window,
cairo_region_t *region)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_clear_pointer (&priv->extra_input_region, cairo_region_destroy);
priv->extra_input_region = cairo_region_copy (region);
update_csd_shape (window);
}
static void
corner_rect (cairo_rectangle_int_t *rect,
const GtkCssValue *value)
{
rect->width = _gtk_css_corner_value_get_x (value, 100);
rect->height = _gtk_css_corner_value_get_y (value, 100);
}
static void
subtract_decoration_corners_from_region (cairo_region_t *region,
cairo_rectangle_int_t *extents,
GtkStyleContext *context,
GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
cairo_rectangle_int_t rect;
if (!priv->client_decorated ||
!priv->decorated ||
priv->fullscreen ||
priv->maximized)
return;
gtk_style_context_save_to_node (context, priv->decoration_node);
corner_rect (&rect, _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS));
rect.x = extents->x;
rect.y = extents->y;
cairo_region_subtract_rectangle (region, &rect);
corner_rect (&rect, _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_TOP_RIGHT_RADIUS));
rect.x = extents->x + extents->width - rect.width;
rect.y = extents->y;
cairo_region_subtract_rectangle (region, &rect);
corner_rect (&rect, _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_BOTTOM_LEFT_RADIUS));
rect.x = extents->x;
rect.y = extents->y + extents->height - rect.height;
cairo_region_subtract_rectangle (region, &rect);
corner_rect (&rect, _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_BOTTOM_RIGHT_RADIUS));
rect.x = extents->x + extents->width - rect.width;
rect.y = extents->y + extents->height - rect.height;
cairo_region_subtract_rectangle (region, &rect);
gtk_style_context_restore (context);
}
static void
update_opaque_region (GtkWindow *window,
const GtkBorder *border,
const GtkAllocation *allocation)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget = GTK_WIDGET (window);
cairo_region_t *opaque_region;
GtkStyleContext *context;
gboolean is_opaque = FALSE;
if (!_gtk_widget_get_realized (widget))
return;
context = gtk_widget_get_style_context (widget);
is_opaque = gdk_rgba_is_opaque (gtk_css_color_value_get_rgba (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BACKGROUND_COLOR)));
if (gtk_widget_get_opacity (widget) < 1.0)
is_opaque = FALSE;
if (is_opaque)
{
cairo_rectangle_int_t rect;
rect.x = border->left;
rect.y = border->top;
rect.width = allocation->width - border->left - border->right;
rect.height = allocation->height - border->top - border->bottom;
opaque_region = cairo_region_create_rectangle (&rect);
subtract_decoration_corners_from_region (opaque_region, &rect, context, window);
}
else
{
opaque_region = NULL;
}
gdk_surface_set_opaque_region (priv->surface, opaque_region);
cairo_region_destroy (opaque_region);
}
static void
update_realized_window_properties (GtkWindow *window,
GtkAllocation *child_allocation,
GtkBorder *window_border)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->surface && priv->client_decorated && priv->use_client_shadow)
gdk_surface_set_shadow_width (priv->surface,
window_border->left,
window_border->right,
window_border->top,
window_border->bottom);
update_opaque_region (window, window_border, child_allocation);
update_csd_shape (window);
}
static void
gtk_window_realize (GtkWidget *widget)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkAllocation allocation;
GtkAllocation child_allocation;
GdkSurface *surface;
GtkBorder window_border;
if (!priv->client_decorated && gtk_window_should_use_csd (window))
create_decoration (widget);
/* ensure widget tree is properly size allocated */
if (_gtk_widget_get_alloc_needed (widget))
{
GdkRectangle request;
gtk_window_compute_configure_request (window, &request, NULL, NULL);
allocation.x = 0;
allocation.y = 0;
allocation.width = request.width;
allocation.height = request.height;
gtk_widget_size_allocate (widget, &allocation, -1);
gtk_widget_queue_resize (widget);
g_return_if_fail (!_gtk_widget_get_realized (widget));
}
gtk_widget_get_allocation (widget, &allocation);
surface = gdk_surface_new_toplevel (gtk_widget_get_display (widget),
MAX (1, allocation.width),
MAX (1, allocation.height));
priv->surface = surface;
gdk_surface_set_widget (surface, widget);
g_signal_connect_swapped (surface, "notify::state", G_CALLBACK (surface_state_changed), widget);
g_signal_connect_swapped (surface, "size-changed", G_CALLBACK (surface_size_changed), widget);
g_signal_connect (surface, "render", G_CALLBACK (surface_render), widget);
g_signal_connect (surface, "event", G_CALLBACK (surface_event), widget);
GTK_WIDGET_CLASS (gtk_window_parent_class)->realize (widget);
if (priv->renderer == NULL)
priv->renderer = gsk_renderer_new_for_surface (surface);
if (priv->transient_parent &&
_gtk_widget_get_realized (GTK_WIDGET (priv->transient_parent)))
{
GtkWindowPrivate *parent_priv = gtk_window_get_instance_private (priv->transient_parent);
gdk_toplevel_set_transient_for (GDK_TOPLEVEL (surface), parent_priv->surface);
}
if (priv->title)
gdk_toplevel_set_title (GDK_TOPLEVEL (surface), priv->title);
gdk_toplevel_set_decorated (GDK_TOPLEVEL (surface), priv->decorated && !priv->client_decorated);
gdk_toplevel_set_deletable (GDK_TOPLEVEL (surface), priv->deletable);
#ifdef GDK_WINDOWING_WAYLAND
if (priv->client_decorated && GDK_IS_WAYLAND_SURFACE (surface))
gdk_wayland_surface_announce_csd (surface);
#endif
gdk_toplevel_set_modal (GDK_TOPLEVEL (surface), priv->modal);
if (priv->startup_id)
{
#ifdef GDK_WINDOWING_X11
if (GDK_IS_X11_SURFACE (surface))
{
guint32 timestamp = extract_time_from_startup_id (priv->startup_id);
if (timestamp != GDK_CURRENT_TIME)
gdk_x11_surface_set_user_time (surface, timestamp);
}
#endif
if (!startup_id_is_fake (priv->startup_id))
gdk_toplevel_set_startup_id (GDK_TOPLEVEL (surface), priv->startup_id);
}
#ifdef GDK_WINDOWING_X11
if (priv->initial_timestamp != GDK_CURRENT_TIME)
{
if (GDK_IS_X11_SURFACE (surface))
gdk_x11_surface_set_user_time (surface, priv->initial_timestamp);
}
#endif
child_allocation.x = 0;
child_allocation.y = 0;
child_allocation.width = allocation.width;
child_allocation.height = allocation.height;
get_shadow_width (window, &window_border);
update_realized_window_properties (window, &child_allocation, &window_border);
if (priv->application)
gtk_application_handle_window_realize (priv->application, window);
/* Icons */
gtk_window_realize_icon (window);
check_scale_changed (window);
}
static void
gtk_window_unrealize (GtkWidget *widget)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWindowGeometryInfo *info;
GdkSurface *surface;
/* On unrealize, we reset the size of the window such
* that we will re-apply the default sizing stuff
* next time we show the window.
*
* Default positioning is reset on unmap, instead of unrealize.
*/
priv->need_default_size = TRUE;
info = gtk_window_get_geometry_info (window, FALSE);
if (info)
{
info->resize_width = -1;
info->resize_height = -1;
info->last.configure_request.x = 0;
info->last.configure_request.y = 0;
info->last.configure_request.width = -1;
info->last.configure_request.height = -1;
/* be sure we reset geom hints on re-realize */
info->last.flags = 0;
}
gsk_renderer_unrealize (priv->renderer);
if (priv->popup_menu)
{
gtk_widget_destroy (priv->popup_menu);
priv->popup_menu = NULL;
}
/* Icons */
gtk_window_unrealize_icon (window);
gtk_container_forall (GTK_CONTAINER (widget),
(GtkCallback) gtk_widget_unrealize,
NULL);
g_clear_object (&priv->renderer);
surface = priv->surface;
g_signal_handlers_disconnect_by_func (surface, surface_state_changed, widget);
g_signal_handlers_disconnect_by_func (surface, surface_size_changed, widget);
g_signal_handlers_disconnect_by_func (surface, surface_render, widget);
g_signal_handlers_disconnect_by_func (surface, surface_event, widget);
GTK_WIDGET_CLASS (gtk_window_parent_class)->unrealize (widget);
gdk_surface_set_widget (surface, NULL);
gdk_surface_destroy (surface);
g_clear_object (&priv->surface);
}
static void
update_window_style_classes (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget = GTK_WIDGET (window);
guint edge_constraints;
edge_constraints = priv->edge_constraints;
if (!priv->edge_constraints)
{
if (priv->tiled)
gtk_widget_add_css_class (widget, "titled");
else
gtk_widget_remove_css_class (widget, "tiled");
}
else
{
if (edge_constraints & GDK_SURFACE_STATE_TOP_TILED)
gtk_widget_add_css_class (widget, "titled-top");
else
gtk_widget_remove_css_class (widget, "tiled-top");
if (edge_constraints & GDK_SURFACE_STATE_RIGHT_TILED)
gtk_widget_add_css_class (widget, "titled-right");
else
gtk_widget_remove_css_class (widget, "tiled-right");
if (edge_constraints & GDK_SURFACE_STATE_BOTTOM_TILED)
gtk_widget_add_css_class (widget, "titled-bottom");
else
gtk_widget_remove_css_class (widget, "tiled-bottom");
if (edge_constraints & GDK_SURFACE_STATE_LEFT_TILED)
gtk_widget_add_css_class (widget, "titled-left");
else
gtk_widget_remove_css_class (widget, "tiled-left");
}
if (priv->maximized)
gtk_widget_add_css_class (widget, "maximized");
else
gtk_widget_remove_css_class (widget, "maximized");
if (priv->fullscreen)
gtk_widget_add_css_class (widget, "fullscreen");
else
gtk_widget_remove_css_class (widget, "fullscreen");
}
/* _gtk_window_set_allocation:
* @window: a #GtkWindow
* @allocation: the original allocation for the window
* @allocation_out: @allocation taking decorations into
* consideration
*
* This function is like gtk_widget_set_allocation()
* but does the necessary extra work to update
* the resize grip positioning, etc.
*
* Call this instead of gtk_widget_set_allocation()
* when overriding ::size_allocate in a GtkWindow
* subclass without chaining up.
*
* The @allocation parameter will be adjusted to
* reflect any internal decorations that the window
* may have. That revised allocation will then be
* returned in the @allocation_out parameter.
*/
void
_gtk_window_set_allocation (GtkWindow *window,
int width,
int height,
GtkAllocation *allocation_out)
{
GtkWidget *widget = (GtkWidget *)window;
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkAllocation child_allocation;
GtkBorder window_border = { 0 };
g_assert (allocation_out != NULL);
child_allocation.x = 0;
child_allocation.y = 0;
child_allocation.width = width;
child_allocation.height = height;
get_shadow_width (window, &window_border);
if (_gtk_widget_get_realized (widget))
update_realized_window_properties (window, &child_allocation, &window_border);
priv->title_height = 0;
if (priv->title_box != NULL &&
gtk_widget_get_visible (priv->title_box) &&
gtk_widget_get_child_visible (priv->title_box) &&
priv->decorated &&
!priv->fullscreen)
{
GtkAllocation title_allocation;
title_allocation.x = window_border.left;
title_allocation.y = window_border.top;
title_allocation.width = MAX (1, width - window_border.left - window_border.right);
gtk_widget_measure (priv->title_box, GTK_ORIENTATION_VERTICAL,
title_allocation.width,
NULL, &priv->title_height,
NULL, NULL);
title_allocation.height = priv->title_height;
gtk_widget_size_allocate (priv->title_box, &title_allocation, -1);
}
if (priv->decorated &&
!priv->fullscreen)
{
child_allocation.x += window_border.left;
child_allocation.y += window_border.top + priv->title_height;
child_allocation.width -= window_border.left + window_border.right;
child_allocation.height -= window_border.top + window_border.bottom +
priv->title_height;
}
*allocation_out = child_allocation;
}
static void
gtk_window_size_allocate (GtkWidget *widget,
int width,
int height,
int baseline)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWidget *child;
GtkAllocation child_allocation;
_gtk_window_set_allocation (window, width, height, &child_allocation);
child = gtk_bin_get_child (GTK_BIN (window));
if (child && gtk_widget_get_visible (child))
gtk_widget_size_allocate (child, &child_allocation, -1);
}
gboolean
gtk_window_configure (GtkWindow *window,
guint width,
guint height)
{
GtkAllocation allocation;
GtkWidget *widget = GTK_WIDGET (window);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
check_scale_changed (window);
/* If this is a gratuitous ConfigureNotify that's already
* the same as our allocation, then we can fizzle it out.
* This is the case for dragging windows around.
*
* We can't do this for a ConfigureRequest, since it might
* have been a queued resize from child widgets, and so we
* need to reallocate our children in case *they* changed.
*/
gtk_widget_get_allocation (widget, &allocation);
if (priv->configure_request_count == 0 &&
(allocation.width == width && allocation.height == height))
{
return TRUE;
}
/* priv->configure_request_count incremented for each
* configure request, and decremented to a min of 0 for
* each configure notify.
*
* All it means is that we know we will get at least
* priv->configure_request_count more configure notifies.
* We could get more configure notifies than that; some
* of the configure notifies we get may be unrelated to
* the configure requests. But we will get at least
* priv->configure_request_count notifies.
*/
if (priv->configure_request_count > 0)
{
priv->configure_request_count -= 1;
gdk_surface_thaw_toplevel_updates (priv->surface);
}
/*
* If we do need to resize, we do that by:
* - setting configure_notify_received to TRUE
* for use in gtk_window_move_resize()
* - queueing a resize, leading to invocation of
* gtk_window_move_resize() in an idle handler
*
*/
priv->configure_notify_received = TRUE;
gtk_widget_queue_allocate (widget);
return TRUE;
}
static void
update_edge_constraints (GtkWindow *window,
GdkSurfaceState state)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
priv->edge_constraints = (state & GDK_SURFACE_STATE_TOP_TILED) |
(state & GDK_SURFACE_STATE_TOP_RESIZABLE) |
(state & GDK_SURFACE_STATE_RIGHT_TILED) |
(state & GDK_SURFACE_STATE_RIGHT_RESIZABLE) |
(state & GDK_SURFACE_STATE_BOTTOM_TILED) |
(state & GDK_SURFACE_STATE_BOTTOM_RESIZABLE) |
(state & GDK_SURFACE_STATE_LEFT_TILED) |
(state & GDK_SURFACE_STATE_LEFT_RESIZABLE);
priv->tiled = (state & GDK_SURFACE_STATE_TILED) ? 1 : 0;
}
static void
surface_state_changed (GtkWidget *widget)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GdkSurfaceState new_surface_state;
GdkSurfaceState changed_mask;
new_surface_state = gdk_toplevel_get_state (GDK_TOPLEVEL (priv->surface));
changed_mask = new_surface_state ^ priv->state;
priv->state = new_surface_state;
if (changed_mask & GDK_SURFACE_STATE_FOCUSED)
{
gboolean focused = new_surface_state & GDK_SURFACE_STATE_FOCUSED;
ensure_state_flag_backdrop (widget);
_gtk_window_set_is_active (window, focused);
if (!focused)
gtk_window_set_mnemonics_visible (window, FALSE);
}
if (changed_mask & GDK_SURFACE_STATE_FULLSCREEN)
{
priv->fullscreen =
(new_surface_state & GDK_SURFACE_STATE_FULLSCREEN) ? 1 : 0;
}
if (changed_mask & GDK_SURFACE_STATE_MAXIMIZED)
{
priv->maximized =
(new_surface_state & GDK_SURFACE_STATE_MAXIMIZED) ? 1 : 0;
g_object_notify_by_pspec (G_OBJECT (widget), window_props[PROP_IS_MAXIMIZED]);
}
update_edge_constraints (window, new_surface_state);
if (changed_mask & (GDK_SURFACE_STATE_FULLSCREEN |
GDK_SURFACE_STATE_MAXIMIZED |
GDK_SURFACE_STATE_TILED |
GDK_SURFACE_STATE_TOP_TILED |
GDK_SURFACE_STATE_RIGHT_TILED |
GDK_SURFACE_STATE_BOTTOM_TILED |
GDK_SURFACE_STATE_LEFT_TILED))
{
update_window_style_classes (window);
update_window_buttons (window);
gtk_widget_queue_resize (widget);
}
}
static void
surface_size_changed (GtkWidget *widget,
int width,
int height)
{
gtk_window_configure (GTK_WINDOW (widget), width, height);
}
static gboolean
surface_render (GdkSurface *surface,
cairo_region_t *region,
GtkWidget *widget)
{
gtk_widget_render (widget, surface, region);
return TRUE;
}
static gboolean
surface_event (GdkSurface *surface,
GdkEvent *event,
GtkWidget *widget)
{
gtk_main_do_event (event);
return TRUE;
}
/* the accel_key and accel_mods fields of the key have to be setup
* upon calling this function. it’ll then return whether that key
* is at all used as accelerator, and if so will OR in the
* accel_flags member of the key.
*/
gboolean
_gtk_window_query_nonaccels (GtkWindow *window,
guint accel_key,
GdkModifierType accel_mods)
{
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
/* movement keys are considered locked accels */
if (!accel_mods)
{
static const guint bindings[] = {
GDK_KEY_space, GDK_KEY_KP_Space, GDK_KEY_Return, GDK_KEY_ISO_Enter, GDK_KEY_KP_Enter, GDK_KEY_Up, GDK_KEY_KP_Up, GDK_KEY_Down, GDK_KEY_KP_Down,
GDK_KEY_Left, GDK_KEY_KP_Left, GDK_KEY_Right, GDK_KEY_KP_Right, GDK_KEY_Tab, GDK_KEY_KP_Tab, GDK_KEY_ISO_Left_Tab,
};
guint i;
for (i = 0; i < G_N_ELEMENTS (bindings); i++)
if (bindings[i] == accel_key)
return TRUE;
}
return FALSE;
}
static GtkWindowRegion
get_active_region_type (GtkWindow *window, gint x, gint y)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkAllocation allocation;
gint i;
if (priv->client_decorated)
{
for (i = 0; i < 8; i++)
{
if (edge_under_coordinates (window, x, y, i))
return i;
}
}
if (priv->title_box != NULL &&
gtk_widget_get_visible (priv->title_box) &&
gtk_widget_get_child_visible (priv->title_box))
{
gtk_widget_get_allocation (priv->title_box, &allocation);
if (allocation.x <= x && allocation.x + allocation.width > x &&
allocation.y <= y && allocation.y + allocation.height > y)
return GTK_WINDOW_REGION_TITLE;
}
return GTK_WINDOW_REGION_CONTENT;
}
static void
gtk_window_real_activate_focus (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->focus_widget && gtk_widget_is_sensitive (priv->focus_widget))
gtk_widget_activate (priv->focus_widget);
}
static gboolean
gtk_window_has_mnemonic_modifier_pressed (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GList *seats, *s;
gboolean retval = FALSE;
seats = gdk_display_list_seats (gtk_widget_get_display (GTK_WIDGET (window)));
for (s = seats; s; s = s->next)
{
GdkDevice *dev = gdk_seat_get_pointer (s->data);
GdkModifierType mask;
gdk_device_get_state (dev, priv->surface, NULL, &mask);
if ((mask & gtk_accelerator_get_default_mod_mask ()) == GDK_ALT_MASK)
{
retval = TRUE;
break;
}
}
g_list_free (seats);
return retval;
}
static void
gtk_window_focus_in (GtkWidget *widget)
{
GtkWindow *window = GTK_WINDOW (widget);
/* It appears spurious focus in events can occur when
* the window is hidden. So we'll just check to see if
* the window is visible before actually handling the
* event
*/
if (gtk_widget_get_visible (widget))
{
_gtk_window_set_is_active (window, TRUE);
if (gtk_window_has_mnemonic_modifier_pressed (window))
_gtk_window_schedule_mnemonics_visible (window);
}
}
static void
gtk_window_focus_out (GtkWidget *widget)
{
GtkWindow *window = GTK_WINDOW (widget);
_gtk_window_set_is_active (window, FALSE);
/* set the mnemonic-visible property to false */
gtk_window_set_mnemonics_visible (window, FALSE);
}
static void
update_mnemonics_visible (GtkWindow *window,
guint keyval,
GdkModifierType state,
gboolean visible)
{
if ((keyval == GDK_KEY_Alt_L || keyval == GDK_KEY_Alt_R) &&
((state & (gtk_accelerator_get_default_mod_mask ()) & ~(GDK_ALT_MASK)) == 0))
{
if (visible)
_gtk_window_schedule_mnemonics_visible (window);
else
gtk_window_set_mnemonics_visible (window, FALSE);
}
}
static gboolean
gtk_window_key_pressed (GtkWidget *widget,
guint keyval,
guint keycode,
GdkModifierType state,
gpointer data)
{
GtkWindow *window = GTK_WINDOW (widget);
gtk_window_set_focus_visible (window, TRUE);
update_mnemonics_visible (window, keyval, state, TRUE);
return FALSE;
}
static gboolean
gtk_window_key_released (GtkWidget *widget,
guint keyval,
guint keycode,
GdkModifierType state,
gpointer data)
{
GtkWindow *window = GTK_WINDOW (widget);
update_mnemonics_visible (window, keyval, state, FALSE);
return FALSE;
}
static void
gtk_window_remove (GtkContainer *container,
GtkWidget *widget)
{
GtkWindow *window = GTK_WINDOW (container);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (widget == priv->title_box)
unset_titlebar (window);
else
GTK_CONTAINER_CLASS (gtk_window_parent_class)->remove (container, widget);
}
void
gtk_window_check_resize (GtkWindow *self)
{
GtkWidget *widget = GTK_WIDGET (self);
gint64 before = g_get_monotonic_time ();
if (!_gtk_widget_get_alloc_needed (widget))
gtk_widget_ensure_allocate (widget);
else if (gtk_widget_get_visible (widget))
gtk_window_move_resize (self);
if (GDK_PROFILER_IS_RUNNING)
gdk_profiler_end_mark (before, "size allocation", "");
}
static void
gtk_window_forall (GtkContainer *container,
GtkCallback callback,
gpointer callback_data)
{
GtkWindow *window = GTK_WINDOW (container);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *child;
child = gtk_bin_get_child (GTK_BIN (container));
if (child != NULL)
(* callback) (child, callback_data);
if (priv->title_box != NULL &&
priv->titlebar == NULL)
(* callback) (priv->title_box, callback_data);
}
static gboolean
gtk_window_focus (GtkWidget *widget,
GtkDirectionType direction)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkBin *bin;
GtkContainer *container;
GtkWidget *child;
GtkWidget *old_focus_child;
GtkWidget *parent;
container = GTK_CONTAINER (widget);
bin = GTK_BIN (widget);
old_focus_child = gtk_widget_get_focus_child (widget);
/* We need a special implementation here to deal properly with wrapping
* around in the tab chain without the danger of going into an
* infinite loop.
*/
if (old_focus_child)
{
if (gtk_widget_child_focus (old_focus_child, direction))
return TRUE;
}
if (priv->focus_widget)
{
if (direction == GTK_DIR_LEFT ||
direction == GTK_DIR_RIGHT ||
direction == GTK_DIR_UP ||
direction == GTK_DIR_DOWN)
{
return FALSE;
}
/* Wrapped off the end, clear the focus setting for the toplpevel */
parent = _gtk_widget_get_parent (priv->focus_widget);
while (parent)
{
gtk_widget_set_focus_child (parent, NULL);
parent = _gtk_widget_get_parent (parent);
}
gtk_window_set_focus (GTK_WINDOW (container), NULL);
}
/* Now try to focus the first widget in the window,
* taking care to hook titlebar widgets into the
* focus chain.
*/
if (priv->title_box != NULL &&
old_focus_child != NULL &&
priv->title_box != old_focus_child)
child = priv->title_box;
else
child = gtk_bin_get_child (bin);
if (child)
{
if (gtk_widget_child_focus (child, direction))
return TRUE;
else if (priv->title_box != NULL &&
priv->title_box != child &&
gtk_widget_child_focus (priv->title_box, direction))
return TRUE;
else if (priv->title_box == child &&
gtk_widget_child_focus (gtk_bin_get_child (bin), direction))
return TRUE;
}
return FALSE;
}
static void
gtk_window_move_focus (GtkWidget *widget,
GtkDirectionType dir)
{
gtk_widget_child_focus (widget, dir);
if (!gtk_widget_get_focus_child (widget))
gtk_window_set_focus (GTK_WINDOW (widget), NULL);
}
void
check_crossing_invariants (GtkWidget *widget,
GtkCrossingData *crossing)
{
#ifdef G_ENBABLE_DEBUG
if (crossing->old_target == NULL)
g_assert (crossing->old_descendent == NULL);
else if (crossing->old_descendent == NULL)
g_assert (crossing->old_target == widget || !gtk_widget_is_ancestor (crossing->old_target, widget));
else
{
g_assert (gtk_widget_get_parent (crossing->old_descendent) == widget);
g_assert (gtk_widget_is_ancestor (crossing->old_descendent, widget));
g_assert (crossing->old_target == crossing->old_descendent || gtk_widget_is_ancestor (crossing->old_target, crossing->old_descendent));
}
if (crossing->new_target == NULL)
g_assert (crossing->new_descendent == NULL);
else if (crossing->new_descendent == NULL)
g_assert (crossing->new_target == widget || !gtk_widget_is_ancestor (crossing->new_target, widget));
else
{
g_assert (gtk_widget_get_parent (crossing->new_descendent) == widget);
g_assert (gtk_widget_is_ancestor (crossing->new_descendent, widget));
g_assert (crossing->new_target == crossing->new_descendent || gtk_widget_is_ancestor (crossing->new_target, crossing->new_descendent));
}
#endif
}
static void
synthesize_focus_change_events (GtkWindow *window,
GtkWidget *old_focus,
GtkWidget *new_focus)
{
GtkCrossingData crossing;
GtkWidget *ancestor;
GtkWidget *widget, *focus_child;
GList *list, *l;
GtkStateFlags flags;
GtkWidget *prev;
gboolean seen_ancestor;
if (old_focus && new_focus)
ancestor = gtk_widget_common_ancestor (old_focus, new_focus);
else
ancestor = NULL;
flags = GTK_STATE_FLAG_FOCUSED;
if (gtk_window_get_focus_visible (GTK_WINDOW (window)))
flags |= GTK_STATE_FLAG_FOCUS_VISIBLE;
crossing.type = GTK_CROSSING_FOCUS;
crossing.mode = GDK_CROSSING_NORMAL;
crossing.old_target = old_focus;
crossing.old_descendent = NULL;
crossing.new_target = new_focus;
crossing.new_descendent = NULL;
crossing.direction = GTK_CROSSING_OUT;
prev = NULL;
seen_ancestor = FALSE;
widget = old_focus;
while (widget)
{
crossing.old_descendent = prev;
if (seen_ancestor)
{
crossing.new_descendent = new_focus ? prev : NULL;
}
else if (widget == ancestor)
{
GtkWidget *w;
crossing.new_descendent = NULL;
for (w = new_focus; w != ancestor; w = gtk_widget_get_parent (w))
crossing.new_descendent = w;
seen_ancestor = TRUE;
}
else
{
crossing.new_descendent = NULL;
}
check_crossing_invariants (widget, &crossing);
gtk_widget_handle_crossing (widget, &crossing, 0, 0);
gtk_widget_unset_state_flags (widget, flags);
gtk_widget_set_focus_child (widget, NULL);
prev = widget;
widget = gtk_widget_get_parent (widget);
}
list = NULL;
for (widget = new_focus; widget; widget = gtk_widget_get_parent (widget))
list = g_list_prepend (list, widget);
crossing.direction = GTK_CROSSING_IN;
seen_ancestor = FALSE;
for (l = list; l; l = l->next)
{
widget = l->data;
if (l->next)
focus_child = l->next->data;
else
focus_child = NULL;
crossing.new_descendent = focus_child;
if (seen_ancestor)
{
crossing.old_descendent = NULL;
}
else if (widget == ancestor)
{
GtkWidget *w;
crossing.old_descendent = NULL;
for (w = old_focus; w != ancestor; w = gtk_widget_get_parent (w))
{
crossing.old_descendent = w;
}
seen_ancestor = TRUE;
}
else
{
crossing.old_descendent = old_focus ? focus_child : NULL;
}
check_crossing_invariants (widget, &crossing);
gtk_widget_handle_crossing (widget, &crossing, 0, 0);
gtk_widget_set_state_flags (widget, flags, FALSE);
gtk_widget_set_focus_child (widget, focus_child);
}
g_list_free (list);
}
/**
* gtk_window_set_focus:
* @window: a #GtkWindow
* @focus: (allow-none): widget to be the new focus widget, or %NULL to unset
* any focus widget for the toplevel window.
*
* If @focus is not the current focus widget, and is focusable, sets
* it as the focus widget for the window. If @focus is %NULL, unsets
* the focus widget for this window. To set the focus to a particular
* widget in the toplevel, it is usually more convenient to use
* gtk_widget_grab_focus() instead of this function.
**/
void
gtk_window_set_focus (GtkWindow *window,
GtkWidget *focus)
{
g_return_if_fail (GTK_IS_WINDOW (window));
if (focus)
gtk_widget_grab_focus (focus);
else
gtk_window_root_set_focus (GTK_ROOT (window), NULL);
}
static void
gtk_window_state_flags_changed (GtkWidget *widget,
GtkStateFlags previous_state)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkStateFlags state;
state = gtk_widget_get_state_flags (widget);
gtk_css_node_set_state (priv->decoration_node, state);
GTK_WIDGET_CLASS (gtk_window_parent_class)->state_flags_changed (widget, previous_state);
}
static void
gtk_window_css_changed (GtkWidget *widget,
GtkCssStyleChange *change)
{
GtkWindow *window = GTK_WINDOW (widget);
GTK_WIDGET_CLASS (gtk_window_parent_class)->css_changed (widget, change);
if (!_gtk_widget_get_alloc_needed (widget) &&
(change == NULL || gtk_css_style_change_changes_property (change, GTK_CSS_PROPERTY_BACKGROUND_COLOR)))
{
GtkAllocation allocation;
GtkBorder window_border;
gtk_widget_get_allocation (widget, &allocation);
get_shadow_width (window, &window_border);
update_opaque_region (window, &window_border, &allocation);
}
if (change == NULL || gtk_css_style_change_changes_property (change, GTK_CSS_PROPERTY_ICON_THEME))
update_themed_icon (window);
}
/**
* _gtk_window_unset_focus_and_default:
* @window: a #GtkWindow
* @widget: a widget inside of @window
*
* Checks whether the focus and default widgets of @window are
* @widget or a descendent of @widget, and if so, unset them.
**/
void
_gtk_window_unset_focus_and_default (GtkWindow *window,
GtkWidget *widget)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *child;
GtkWidget *parent;
g_object_ref (window);
g_object_ref (widget);
parent = _gtk_widget_get_parent (widget);
if (gtk_widget_get_focus_child (parent) == widget)
{
child = priv->focus_widget;
while (child && child != widget)
child = _gtk_widget_get_parent (child);
if (child == widget)
gtk_window_set_focus (GTK_WINDOW (window), NULL);
}
child = priv->default_widget;
while (child && child != widget)
child = _gtk_widget_get_parent (child);
if (child == widget)
gtk_window_set_default_widget (window, NULL);
g_object_unref (widget);
g_object_unref (window);
}
static void
popup_menu_closed (GtkPopover *popover,
GtkWindow *widget)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (GTK_WINDOW (widget));
g_clear_pointer (&priv->popup_menu, gtk_widget_unparent);
}
static GdkSurfaceState
gtk_window_get_state (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->surface)
return gdk_toplevel_get_state (GDK_TOPLEVEL (priv->surface));
return 0;
}
static void
restore_window_clicked (GtkModelButton *button,
gpointer user_data)
{
GtkWindow *window = GTK_WINDOW (user_data);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GdkSurfaceState state;
if (priv->maximized)
{
gtk_window_unmaximize (window);
return;
}
state = gtk_window_get_state (window);
if (state & GDK_SURFACE_STATE_MINIMIZED)
gtk_window_unminimize (window);
}
static void
move_window_clicked (GtkModelButton *button,
gpointer user_data)
{
GtkWindow *window = GTK_WINDOW (user_data);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
gdk_surface_begin_move_drag (priv->surface,
NULL,
0, /* 0 means "use keyboard" */
0, 0,
GDK_CURRENT_TIME);
}
static void
resize_window_clicked (GtkModelButton *button,
gpointer user_data)
{
GtkWindow *window = GTK_WINDOW (user_data);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
gdk_surface_begin_resize_drag (priv->surface,
0,
NULL,
0, /* 0 means "use keyboard" */
0, 0,
GDK_CURRENT_TIME);
}
static void
minimize_window_clicked (GtkModelButton *button,
gpointer user_data)
{
GtkWindow *window = GTK_WINDOW (user_data);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
/* Turns out, we can't minimize a maximized window */
if (priv->maximized)
gtk_window_unmaximize (window);
gtk_window_minimize (window);
}
static void
maximize_window_clicked (GtkModelButton *button,
gpointer user_data)
{
gtk_window_maximize (GTK_WINDOW (user_data));
}
static void
ontop_window_clicked (GtkModelButton *button,
gpointer user_data)
{
GtkWindow *window = (GtkWindow *)user_data;
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
gtk_popover_popdown (GTK_POPOVER (priv->popup_menu));
}
static void
close_window_clicked (GtkModelButton *button,
gpointer user_data)
{
GtkWindow *window = (GtkWindow *)user_data;
gtk_window_close (window);
}
static void
gtk_window_do_popup_fallback (GtkWindow *window,
GdkEventButton *event)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *menuitem;
GdkSurfaceState state;
gboolean maximized, minimized;
GtkWidget *box;
if (priv->popup_menu)
gtk_widget_destroy (priv->popup_menu);
state = gtk_window_get_state (window);
minimized = (state & GDK_SURFACE_STATE_MINIMIZED) == GDK_SURFACE_STATE_MINIMIZED;
maximized = priv->maximized && !minimized;
priv->popup_menu = gtk_popover_menu_new ();
gtk_widget_set_parent (priv->popup_menu, priv->title_box);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_popover_menu_add_submenu (GTK_POPOVER_MENU (priv->popup_menu), box, "main");
menuitem = gtk_model_button_new ();
g_object_set (menuitem, "text", _("Restore"), NULL);
/* "Restore" means "Unmaximize" or "Unminimize"
* (yes, some WMs allow window menu to be shown for minimized windows).
* Not restorable:
* - visible windows that are not maximized or minimized
* - non-resizable windows that are not minimized
* - non-normal windows
*/
if ((gtk_widget_is_visible (GTK_WIDGET (window)) &&
!(maximized || minimized)) ||
(!minimized && !priv->resizable))
gtk_widget_set_sensitive (menuitem, FALSE);
g_signal_connect (G_OBJECT (menuitem), "clicked",
G_CALLBACK (restore_window_clicked), window);
gtk_container_add (GTK_CONTAINER (box), menuitem);
menuitem = gtk_model_button_new ();
g_object_set (menuitem, "text", _("Move"), NULL);
if (maximized || minimized)
gtk_widget_set_sensitive (menuitem, FALSE);
g_signal_connect (G_OBJECT (menuitem), "clicked",
G_CALLBACK (move_window_clicked), window);
gtk_container_add (GTK_CONTAINER (box), menuitem);
menuitem = gtk_model_button_new ();
g_object_set (menuitem, "text", _("Resize"), NULL);
if (!priv->resizable || maximized || minimized)
gtk_widget_set_sensitive (menuitem, FALSE);
g_signal_connect (G_OBJECT (menuitem), "clicked",
G_CALLBACK (resize_window_clicked), window);
gtk_container_add (GTK_CONTAINER (box), menuitem);
menuitem = gtk_model_button_new ();
g_object_set (menuitem, "text", _("Minimize"), NULL);
if (minimized)
gtk_widget_set_sensitive (menuitem, FALSE);
g_signal_connect (G_OBJECT (menuitem), "clicked",
G_CALLBACK (minimize_window_clicked), window);
gtk_container_add (GTK_CONTAINER (box), menuitem);
menuitem = gtk_model_button_new ();
g_object_set (menuitem, "text", _("Maximize"), NULL);
if (maximized || !priv->resizable)
gtk_widget_set_sensitive (menuitem, FALSE);
g_signal_connect (G_OBJECT (menuitem), "clicked",
G_CALLBACK (maximize_window_clicked), window);
gtk_container_add (GTK_CONTAINER (box), menuitem);
menuitem = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
gtk_container_add (GTK_CONTAINER (box), menuitem);
menuitem = gtk_model_button_new ();
g_object_set (menuitem,
"text", _("Always on Top"),
"role", GTK_BUTTON_ROLE_CHECK,
NULL);
if (maximized)
gtk_widget_set_sensitive (menuitem, FALSE);
g_signal_connect (G_OBJECT (menuitem), "clicked",
G_CALLBACK (ontop_window_clicked), window);
gtk_container_add (GTK_CONTAINER (box), menuitem);
menuitem = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
gtk_container_add (GTK_CONTAINER (box), menuitem);
menuitem = gtk_model_button_new ();
g_object_set (menuitem, "text", _("Close"), NULL);
if (!priv->deletable)
gtk_widget_set_sensitive (menuitem, FALSE);
g_signal_connect (G_OBJECT (menuitem), "clicked",
G_CALLBACK (close_window_clicked), window);
gtk_container_add (GTK_CONTAINER (box), menuitem);
g_signal_connect (priv->popup_menu, "closed",
G_CALLBACK (popup_menu_closed), window);
gtk_popover_popup (GTK_POPOVER (priv->popup_menu));
}
static void
gtk_window_do_popup (GtkWindow *window,
GdkEventButton *event)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (!gdk_toplevel_show_window_menu (GDK_TOPLEVEL (priv->surface), (GdkEvent *) event))
gtk_window_do_popup_fallback (window, event);
}
/*********************************
* Functions related to resizing *
*********************************/
/* This function doesn't constrain to geometry hints */
static void
gtk_window_compute_configure_request_size (GtkWindow *window,
GdkGeometry *geometry,
guint flags,
gint *width,
gint *height)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWindowGeometryInfo *info;
int w, h;
/* Preconditions:
* - we've done a size request
*/
info = gtk_window_get_geometry_info (window, FALSE);
if (priv->need_default_size)
{
gtk_window_guess_default_size (window, width, height);
gtk_window_get_remembered_size (window, &w, &h);
*width = MAX (*width, w);
*height = MAX (*height, h);
/* Override with default size */
if (info)
{
/* Take width of shadows/headerbar into account. We want to set the
* default size of the content area and not the window area.
*/
gint default_width_csd = info->default_width;
gint default_height_csd = info->default_height;
gtk_window_update_csd_size (window,
&default_width_csd, &default_height_csd,
INCLUDE_CSD_SIZE);
if (info->default_width > 0)
*width = default_width_csd;
if (info->default_height > 0)
*height = default_height_csd;
}
}
else
{
/* Default to keeping current size */
gtk_window_get_remembered_size (window, width, height);
}
/* Override any size with gtk_window_resize() values */
if (priv->maximized || priv->fullscreen)
{
/* Unless we are maximized or fullscreen */
gtk_window_get_remembered_size (window, width, height);
}
else if (info)
{
gint resize_width_csd = info->resize_width;
gint resize_height_csd = info->resize_height;
gtk_window_update_csd_size (window,
&resize_width_csd, &resize_height_csd,
INCLUDE_CSD_SIZE);
if (info->resize_width > 0)
*width = resize_width_csd;
if (info->resize_height > 0)
*height = resize_height_csd;
}
/* Don't ever request zero width or height, it's not supported by
gdk. The size allocation code will round it to 1 anyway but if
we do it then the value returned from this function will is
not comparable to the size allocation read from the GtkWindow. */
*width = MAX (*width, 1);
*height = MAX (*height, 1);
}
static void
gtk_window_compute_configure_request (GtkWindow *window,
GdkRectangle *request,
GdkGeometry *geometry,
guint *flags)
{
GdkGeometry new_geometry;
guint new_flags;
int w, h;
GtkWindowGeometryInfo *info;
int x, y;
gtk_window_compute_hints (window, &new_geometry, &new_flags);
gtk_window_compute_configure_request_size (window,
&new_geometry, new_flags,
&w, &h);
gtk_window_update_fixed_size (window, &new_geometry, w, h);
gtk_window_constrain_size (window,
&new_geometry, new_flags,
w, h,
&w, &h);
info = gtk_window_get_geometry_info (window, FALSE);
/* by default, don't change position requested */
if (info)
{
x = info->last.configure_request.x;
y = info->last.configure_request.y;
}
else
{
x = 0;
y = 0;
}
request->x = x;
request->y = y;
request->width = w;
request->height = h;
if (geometry)
*geometry = new_geometry;
if (flags)
*flags = new_flags;
}
static void
gtk_window_move_resize (GtkWindow *window)
{
/* Overview:
*
* First we determine whether any information has changed that would
* cause us to revise our last configure request. If we would send
* a different configure request from last time, then
* configure_request_size_changed = TRUE or
* configure_request_pos_changed = TRUE. configure_request_size_changed
* may be true due to new hints, a gtk_window_resize(), or whatever.
* configure_request_pos_changed may be true due to gtk_window_set_position()
* or gtk_window_move().
*
* If the configure request has changed, we send off a new one. To
* ensure GTK+ invariants are maintained (resize queue does what it
* should), we go ahead and size_allocate the requested size in this
* function.
*
* If the configure request has not changed, we don't ever resend
* it, because it could mean fighting the user or window manager.
*
* To prepare the configure request, we come up with a base size/pos:
* - the one from gtk_window_move()/gtk_window_resize()
* - else default_width, default_height if we haven't ever
* been mapped
* - else the size request if we haven't ever been mapped,
* as a substitute default size
* - else the current size of the window, as received from
* configure notifies (i.e. the current allocation)
*/
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget;
GtkWindowGeometryInfo *info;
GdkGeometry new_geometry;
guint new_flags;
GdkRectangle new_request;
gboolean configure_request_size_changed;
gboolean configure_request_pos_changed;
gboolean hints_changed; /* do we need to send these again */
GtkWindowLastGeometryInfo saved_last_info;
int current_width, current_height;
widget = GTK_WIDGET (window);
info = gtk_window_get_geometry_info (window, TRUE);
configure_request_size_changed = FALSE;
configure_request_pos_changed = FALSE;
hints_changed = FALSE;
gtk_window_compute_configure_request (window, &new_request,
&new_geometry, &new_flags);
if (!(new_flags & GDK_HINT_MIN_SIZE))
new_geometry.min_width = new_geometry.min_height = 1;
g_clear_pointer (&priv->layout, gdk_toplevel_layout_unref);
priv->layout = gtk_window_compute_layout (window, new_geometry.min_width, new_geometry.min_height);
/* This check implies the invariant that we never set info->last
* without setting the hints and sending off a configure request.
*
* If we change info->last without sending the request, we may
* miss a request.
*/
if (info->last.configure_request.x != new_request.x ||
info->last.configure_request.y != new_request.y)
configure_request_pos_changed = TRUE;
if ((info->last.configure_request.width != new_request.width ||
info->last.configure_request.height != new_request.height))
configure_request_size_changed = TRUE;
if (!gtk_window_compare_hints (&info->last.geometry, info->last.flags,
&new_geometry, new_flags))
hints_changed = TRUE;
#if 0
{
GtkAllocation alloc;
gtk_widget_get_allocation (widget, &alloc);
g_message ("--- %s ---\n"
"last : %d,%d\t%d x %d\n"
"this : %d,%d\t%d x %d\n"
"alloc : %d,%d\t%d x %d\n"
"resize: \t%d x %d\n"
"size_changed: %d pos_changed: %d hints_changed: %d\n"
"configure_notify_received: %d\n"
"configure_request_count: %d\n"
"position_constraints_changed: %d",
priv->title ? priv->title : "(no title)",
info->last.configure_request.x,
info->last.configure_request.y,
info->last.configure_request.width,
info->last.configure_request.height,
new_request.x,
new_request.y,
new_request.width,
new_request.height,
alloc.x,
alloc.y,
alloc.width,
alloc.height,
info->resize_width,
info->resize_height,
configure_request_size_changed,
configure_request_pos_changed,
hints_changed,
priv->configure_notify_received,
priv->configure_request_count,
info->position_constraints_changed);
}
#endif
saved_last_info = info->last;
info->last.geometry = new_geometry;
info->last.flags = new_flags;
info->last.configure_request = new_request;
/* need to set PPosition so the WM will look at our position,
* but we don't want to count PPosition coming and going as a hints
* change for future iterations. So we saved info->last prior to
* this.
*/
/* Also, if the initial position was explicitly set, then we always
* toggle on PPosition. This makes gtk_window_move(window, 0, 0)
* work.
*/
if (configure_request_pos_changed)
{
new_flags |= GDK_HINT_POS;
hints_changed = TRUE;
}
current_width = gdk_surface_get_width (priv->surface);
current_height = gdk_surface_get_height (priv->surface);
/* handle resizing/moving and widget tree allocation
*/
if (priv->configure_notify_received)
{
GtkAllocation allocation;
int min;
/* If we have received a configure event since
* the last time in this function, we need to
* accept our new size and size_allocate child widgets.
* (see gtk_window_configure_event() for more details).
*
* 1 or more configure notifies may have been received.
* Also, configure_notify_received will only be TRUE
* if all expected configure notifies have been received
* (one per configure request), as an optimization.
*
*/
priv->configure_notify_received = FALSE;
allocation.x = 0;
allocation.y = 0;
gtk_widget_measure (widget, GTK_ORIENTATION_HORIZONTAL, -1,
&min, NULL, NULL, NULL);
allocation.width = MAX (min, current_width);
gtk_widget_measure (widget, GTK_ORIENTATION_VERTICAL, allocation.width,
&min, NULL, NULL, NULL);
allocation.height = MAX (min, current_height);
gtk_widget_size_allocate (widget, &allocation, -1);
/* If the configure request changed, it means that
* we either:
* 1) coincidentally changed hints or widget properties
* impacting the configure request before getting
* a configure notify, or
* 2) some broken widget is changing its size request
* during size allocation, resulting in
* a false appearance of changed configure request.
*
* For 1), we could just go ahead and ask for the
* new size right now, but doing that for 2)
* might well be fighting the user (and can even
* trigger a loop). Since we really don't want to
* do that, we requeue a resize in hopes that
* by the time it gets handled, the child has seen
* the light and is willing to go along with the
* new size. (this happens for the zvt widget, since
* the size_allocate() above will have stored the
* requisition corresponding to the new size in the
* zvt widget)
*
* This doesn't buy us anything for 1), but it shouldn't
* hurt us too badly, since it is what would have
* happened if we had gotten the configure event before
* the new size had been set.
*/
if (configure_request_size_changed ||
configure_request_pos_changed)
{
/* Don't change the recorded last info after all, because we
* haven't actually updated to the new info yet - we decided
* to postpone our configure request until later.
*/
info->last = saved_last_info;
g_clear_pointer (&priv->layout, gdk_toplevel_layout_unref);
gtk_widget_queue_resize (widget); /* might recurse for GTK_RESIZE_IMMEDIATE */
}
return; /* Bail out, we didn't really process the move/resize */
}
else if ((configure_request_size_changed || hints_changed) &&
(current_width != new_request.width || current_height != new_request.height))
{
/* We are in one of the following situations:
* A. configure_request_size_changed
* our requisition has changed and we need a different window size,
* so we request it from the window manager.
* B. !configure_request_size_changed && hints_changed
* the window manager rejects our size, but we have just changed the
* window manager hints, so there's a chance our request will
* be honoured this time, so we try again.
*
* However, if the new requisition is the same as the current allocation,
* we don't request it again, since we won't get a ConfigureNotify back from
* the window manager unless it decides to change our requisition. If
* we don't get the ConfigureNotify back, the resize queue will never be run.
*/
/* Increment the number of have-not-yet-received-notify requests.
* This is done before gdk_surface[_move]_resize(), because
* that call might be synchronous (depending on which GDK backend
* is being used), so any preparations for its effects must
* be done beforehand.
*/
priv->configure_request_count += 1;
gdk_surface_freeze_toplevel_updates (priv->surface);
/* for GTK_RESIZE_QUEUE toplevels, we are now awaiting a new
* configure event in response to our resizing request.
* the configure event will cause a new resize with
* ->configure_notify_received=TRUE.
* until then, we want to
* - discard expose events
* - coalesce resizes for our children
* - defer any window resizes until the configure event arrived
* to achieve this, we queue a resize for the window, but remove its
* resizing handler, so resizing will not be handled from the next
* idle handler but when the configure event arrives.
*
* FIXME: we should also dequeue the pending redraws here, since
* we handle those ourselves upon ->configure_notify_received==TRUE.
*/
/* Now send the configure request */
if (configure_request_pos_changed)
g_warning ("configure request position changed. This should not happen. Ignoring the position");
gdk_toplevel_present (GDK_TOPLEVEL (priv->surface),
new_request.width, new_request.height,
priv->layout);
}
else
{
GtkAllocation allocation;
int min_width, min_height;
/* Handle any position changes.
*/
if (configure_request_pos_changed)
g_warning ("configure request position changed. This should not happen. Ignoring the position");
gtk_widget_measure (widget, GTK_ORIENTATION_HORIZONTAL, current_height,
&min_width, NULL, NULL, NULL);
gtk_widget_measure (widget, GTK_ORIENTATION_VERTICAL, current_width,
&min_height, NULL, NULL, NULL);
/* Our configure request didn't change size, but maybe some of
* our child widgets have. Run a size allocate with our current
* size to make sure that we re-layout our child widgets. */
allocation.x = 0;
allocation.y = 0;
allocation.width = MAX (current_width, min_width);
allocation.height = MAX (current_height, min_height);
gtk_widget_size_allocate (widget, &allocation, -1);
}
info->resize_width = -1;
info->resize_height = -1;
}
/* Compare two sets of Geometry hints for equality.
*/
static gboolean
gtk_window_compare_hints (GdkGeometry *geometry_a,
guint flags_a,
GdkGeometry *geometry_b,
guint flags_b)
{
if (flags_a != flags_b)
return FALSE;
if ((flags_a & GDK_HINT_MIN_SIZE) &&
(geometry_a->min_width != geometry_b->min_width ||
geometry_a->min_height != geometry_b->min_height))
return FALSE;
if ((flags_a & GDK_HINT_MAX_SIZE) &&
(geometry_a->max_width != geometry_b->max_width ||
geometry_a->max_height != geometry_b->max_height))
return FALSE;
if ((flags_a & GDK_HINT_BASE_SIZE) &&
(geometry_a->base_width != geometry_b->base_width ||
geometry_a->base_height != geometry_b->base_height))
return FALSE;
if ((flags_a & GDK_HINT_ASPECT) &&
(geometry_a->min_aspect != geometry_b->min_aspect ||
geometry_a->max_aspect != geometry_b->max_aspect))
return FALSE;
if ((flags_a & GDK_HINT_RESIZE_INC) &&
(geometry_a->width_inc != geometry_b->width_inc ||
geometry_a->height_inc != geometry_b->height_inc))
return FALSE;
if ((flags_a & GDK_HINT_WIN_GRAVITY) &&
geometry_a->win_gravity != geometry_b->win_gravity)
return FALSE;
return TRUE;
}
static void
gtk_window_constrain_size (GtkWindow *window,
GdkGeometry *geometry,
guint flags,
gint width,
gint height,
gint *new_width,
gint *new_height)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
guint geometry_flags;
/* ignore size increments for windows that fit in a fixed space */
if (priv->maximized || priv->fullscreen || priv->tiled)
geometry_flags = flags & ~GDK_HINT_RESIZE_INC;
else
geometry_flags = flags;
gdk_surface_constrain_size (geometry, geometry_flags, width, height,
new_width, new_height);
}
/* For non-resizable windows, make sure the given width/height fits
* in the geometry contrains and update the geometry hints to match
* the given width/height if not.
* This is to make sure that non-resizable windows get the default
* width/height if set, but can still grow if their content requires.
*
* Note: Fixed size windows with a default size set will not shrink
* smaller than the default size when their content requires less size.
*/
static void
gtk_window_update_fixed_size (GtkWindow *window,
GdkGeometry *new_geometry,
gint new_width,
gint new_height)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWindowGeometryInfo *info;
gboolean has_size_request;
/* Adjust the geometry hints for non-resizable windows only */
has_size_request = gtk_widget_has_size_request (GTK_WIDGET (window));
if (priv->resizable || has_size_request)
return;
info = gtk_window_get_geometry_info (window, FALSE);
if (info)
{
gint default_width_csd = info->default_width;
gint default_height_csd = info->default_height;
gtk_window_update_csd_size (window,
&default_width_csd, &default_height_csd,
INCLUDE_CSD_SIZE);
if (info->default_width > -1)
{
gint w = MAX (MAX (default_width_csd, new_width), new_geometry->min_width);
new_geometry->min_width = w;
new_geometry->max_width = w;
}
if (info->default_height > -1)
{
gint h = MAX (MAX (default_height_csd, new_height), new_geometry->min_height);
new_geometry->min_height = h;
new_geometry->max_height = h;
}
}
}
/* Compute the set of geometry hints and flags for a window
* based on the application set geometry, and requisition
* of the window. gtk_widget_get_preferred_size() must have been
* called first.
*/
static void
gtk_window_compute_hints (GtkWindow *window,
GdkGeometry *new_geometry,
guint *new_flags)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget;
GtkRequisition requisition;
widget = GTK_WIDGET (window);
/* Use a good size for unresizable widgets, otherwise the minimum one. */
if (priv->resizable)
gtk_widget_get_preferred_size (widget, &requisition, NULL);
else
gtk_window_guess_default_size (window, &requisition.width, &requisition.height);
/* We don't want to set GDK_HINT_POS in here, we just set it
* in gtk_window_move_resize() when we want the position
* honored.
*/
*new_flags = 0;
/* For simplicity, we always set the base hint, even when we
* don't expect it to have any visible effect.
* (Note: geometry_size_to_pixels() depends on this.)
*/
*new_flags |= GDK_HINT_BASE_SIZE;
new_geometry->base_width = 0;
new_geometry->base_height = 0;
*new_flags |= GDK_HINT_MIN_SIZE;
new_geometry->min_width = requisition.width;
new_geometry->min_height = requisition.height;
if (!priv->resizable)
{
*new_flags |= GDK_HINT_MAX_SIZE;
new_geometry->max_width = new_geometry->min_width;
new_geometry->max_height = new_geometry->min_height;
}
*new_flags |= GDK_HINT_WIN_GRAVITY;
new_geometry->win_gravity = priv->gravity;
}
#undef INCLUDE_CSD_SIZE
#undef EXCLUDE_CSD_SIZE
/***********************
* Redrawing functions *
***********************/
static void
gtk_window_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (GTK_WINDOW (widget));
GtkStyleContext *context;
GtkBorder window_border;
gint title_height;
int width, height;
GtkWidget *child;
context = gtk_widget_get_style_context (widget);
get_shadow_width (GTK_WINDOW (widget), &window_border);
width = gtk_widget_get_width (widget);
height = gtk_widget_get_height (widget);
if (priv->client_decorated &&
priv->decorated &&
!priv->fullscreen &&
!priv->maximized)
{
gtk_style_context_save_to_node (context, priv->decoration_node);
if (priv->use_client_shadow)
{
GtkBorder padding, border;
gtk_style_context_get_padding (context, &padding);
gtk_style_context_get_border (context, &border);
sum_borders (&border, &padding);
gtk_snapshot_render_background (snapshot, context,
window_border.left - border.left, window_border.top - border.top,
width -
(window_border.left + window_border.right - border.left - border.right),
height -
(window_border.top + window_border.bottom - border.top - border.bottom));
gtk_snapshot_render_frame (snapshot, context,
window_border.left - border.left, window_border.top - border.top,
width -
(window_border.left + window_border.right - border.left - border.right),
height -
(window_border.top + window_border.bottom - border.top - border.bottom));
}
else
{
gtk_snapshot_render_background (snapshot, context, 0, 0,
width, height);
gtk_snapshot_render_frame (snapshot, context, 0, 0,
width, height);
}
gtk_style_context_restore (context);
}
if (priv->title_box &&
gtk_widget_get_visible (priv->title_box) &&
gtk_widget_get_child_visible (priv->title_box))
title_height = priv->title_height;
else
title_height = 0;
gtk_snapshot_render_background (snapshot, context,
window_border.left,
window_border.top + title_height,
width -
(window_border.left + window_border.right),
height -
(window_border.top + window_border.bottom + title_height));
gtk_snapshot_render_frame (snapshot, context,
window_border.left,
window_border.top + title_height,
width -
(window_border.left + window_border.right),
height -
(window_border.top + window_border.bottom + title_height));
for (child = _gtk_widget_get_first_child (widget);
child != NULL;
child = _gtk_widget_get_next_sibling (child))
{
/* Handle popovers separately until their stacking order is fixed */
if (!GTK_IS_POPOVER (child))
gtk_widget_snapshot_child (widget, child, snapshot);
}
}
/**
* gtk_window_present:
* @window: a #GtkWindow
*
* Presents a window to the user. This function should not be used
* as when it is called, it is too late to gather a valid timestamp
* to allow focus stealing prevention to work correctly.
**/
void
gtk_window_present (GtkWindow *window)
{
gtk_window_present_with_time (window, GDK_CURRENT_TIME);
}
/**
* gtk_window_present_with_time:
* @window: a #GtkWindow
* @timestamp: the timestamp of the user interaction (typically a
* button or key press event) which triggered this call
*
* Presents a window to the user. This may mean raising the window
* in the stacking order, unminimizing it, moving it to the current
* desktop, and/or giving it the keyboard focus, possibly dependent
* on the user’s platform, window manager, and preferences.
*
* If @window is hidden, this function calls gtk_widget_show()
* as well.
*
* This function should be used when the user tries to open a window
* that’s already open. Say for example the preferences dialog is
* currently open, and the user chooses Preferences from the menu
* a second time; use gtk_window_present() to move the already-open dialog
* where the user can see it.
*
* Presents a window to the user in response to a user interaction. The
* timestamp should be gathered when the window was requested to be shown
* (when clicking a link for example), rather than once the window is
* ready to be shown.
**/
void
gtk_window_present_with_time (GtkWindow *window,
guint32 timestamp)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget;
GdkSurface *surface;
g_return_if_fail (GTK_IS_WINDOW (window));
widget = GTK_WIDGET (window);
if (gtk_widget_get_visible (widget))
{
surface = priv->surface;
g_assert (surface != NULL);
gtk_window_present_toplevel (window);
/* Translate a timestamp of GDK_CURRENT_TIME appropriately */
if (timestamp == GDK_CURRENT_TIME)
{
#ifdef GDK_WINDOWING_X11
if (GDK_IS_X11_SURFACE (surface))
{
GdkDisplay *display;
display = gtk_widget_get_display (widget);
timestamp = gdk_x11_display_get_user_time (display);
}
else
#endif
timestamp = gtk_get_current_event_time ();
}
gdk_toplevel_focus (GDK_TOPLEVEL (surface), timestamp);
}
else
{
priv->initial_timestamp = timestamp;
gtk_widget_show (widget);
}
}
/**
* gtk_window_minimize:
* @window: a #GtkWindow
*
* Asks to minimize the specified @window.
*
* Note that you shouldn’t assume the window is definitely minimized
* afterward, because the windowing system might not support this
* functionality; other entities (e.g. the user or the [window manager][gtk-X11-arch])
* could unminimize it again, or there may not be a window manager in
* which case minimization isn’t possible, etc.
*
* It’s permitted to call this function before showing a window,
* in which case the window will be minimized before it ever appears
* onscreen.
*
* You can track result of this operation via the #GdkSurface:state
* property.
*/
void
gtk_window_minimize (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
priv->minimize_initially = TRUE;
if (priv->surface)
gdk_toplevel_minimize (GDK_TOPLEVEL (priv->surface));
}
/**
* gtk_window_unminimize:
* @window: a #GtkWindow
*
* Asks to unminimize the specified @window.
*
* Note that you shouldn’t assume the window is definitely unminimized
* afterward, because the windowing system might not support this
* functionality; other entities (e.g. the user or the [window manager][gtk-X11-arch])
* could minimize it again, or there may not be a window manager in
* which case minimization isn’t possible, etc.
*
* You can track result of this operation via the #GdkSurface:state
* property.
*/
void
gtk_window_unminimize (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
priv->minimize_initially = FALSE;
gtk_window_update_toplevel (window);
}
/**
* gtk_window_maximize:
* @window: a #GtkWindow
*
* Asks to maximize @window, so that it becomes full-screen. Note that
* you shouldn’t assume the window is definitely maximized afterward,
* because other entities (e.g. the user or
* [window manager][gtk-X11-arch]) could unmaximize it
* again, and not all window managers support maximization. But
* normally the window will end up maximized. Just don’t write code
* that crashes if not.
*
* It’s permitted to call this function before showing a window,
* in which case the window will be maximized when it appears onscreen
* initially.
*
* You can track the result of this operation via the #GdkSurface:state
* property, or by listening to notifications on the #GtkWindow:is-maximized
* property.
*/
void
gtk_window_maximize (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
priv->maximize_initially = TRUE;
gtk_window_update_toplevel (window);
}
/**
* gtk_window_unmaximize:
* @window: a #GtkWindow
*
* Asks to unmaximize @window. Note that you shouldn’t assume the
* window is definitely unmaximized afterward, because other entities
* (e.g. the user or [window manager][gtk-X11-arch])
* could maximize it again, and not all window
* managers honor requests to unmaximize. But normally the window will
* end up unmaximized. Just don’t write code that crashes if not.
*
* You can track the result of this operation via the #GdkSurface:state
* property, or by listening to notifications on the #GtkWindow:is-maximized
* property.
*/
void
gtk_window_unmaximize (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
priv->maximize_initially = FALSE;
gtk_window_update_toplevel (window);
}
/**
* gtk_window_fullscreen:
* @window: a #GtkWindow
*
* Asks to place @window in the fullscreen state. Note that you
* shouldn’t assume the window is definitely full screen afterward,
* because other entities (e.g. the user or
* [window manager][gtk-X11-arch]) could unfullscreen it
* again, and not all window managers honor requests to fullscreen
* windows. But normally the window will end up fullscreen. Just
* don’t write code that crashes if not.
*
* You can track iconification via the #GdkSurface::state property
**/
void
gtk_window_fullscreen (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
priv->fullscreen_initially = TRUE;
gtk_window_update_toplevel (window);
}
static void
unset_fullscreen_monitor (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->initial_fullscreen_monitor)
{
g_signal_handlers_disconnect_by_func (priv->initial_fullscreen_monitor, unset_fullscreen_monitor, window);
g_object_unref (priv->initial_fullscreen_monitor);
priv->initial_fullscreen_monitor = NULL;
}
}
/**
* gtk_window_fullscreen_on_monitor:
* @window: a #GtkWindow
* @monitor: which monitor to go fullscreen on
*
* Asks to place @window in the fullscreen state. Note that you shouldn't assume
* the window is definitely full screen afterward.
*
* You can track iconification via the #GdkSurface::state property
*/
void
gtk_window_fullscreen_on_monitor (GtkWindow *window,
GdkMonitor *monitor)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
g_return_if_fail (GDK_IS_MONITOR (monitor));
g_return_if_fail (gdk_monitor_is_valid (monitor));
gtk_window_set_display (window, gdk_monitor_get_display (monitor));
unset_fullscreen_monitor (window);
priv->initial_fullscreen_monitor = monitor;
g_signal_connect_swapped (priv->initial_fullscreen_monitor, "invalidate",
G_CALLBACK (unset_fullscreen_monitor), window);
g_object_ref (priv->initial_fullscreen_monitor);
priv->fullscreen_initially = TRUE;
gtk_window_update_toplevel (window);
}
/**
* gtk_window_unfullscreen:
* @window: a #GtkWindow
*
* Asks to toggle off the fullscreen state for @window. Note that you
* shouldn’t assume the window is definitely not full screen
* afterward, because other entities (e.g. the user or
* [window manager][gtk-X11-arch]) could fullscreen it
* again, and not all window managers honor requests to unfullscreen
* windows. But normally the window will end up restored to its normal
* state. Just don’t write code that crashes if not.
*
* You can track iconification via the #GdkSurface::state property
**/
void
gtk_window_unfullscreen (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
unset_fullscreen_monitor (window);
priv->fullscreen_initially = FALSE;
gtk_window_update_toplevel (window);
}
/**
* gtk_window_set_resizable:
* @window: a #GtkWindow
* @resizable: %TRUE if the user can resize this window
*
* Sets whether the user can resize a window. Windows are user resizable
* by default.
**/
void
gtk_window_set_resizable (GtkWindow *window,
gboolean resizable)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
resizable = (resizable != FALSE);
if (priv->resizable != resizable)
{
priv->resizable = resizable;
update_window_buttons (window);
gtk_widget_queue_resize (GTK_WIDGET (window));
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_RESIZABLE]);
}
}
/**
* gtk_window_get_resizable:
* @window: a #GtkWindow
*
* Gets the value set by gtk_window_set_resizable().
*
* Returns: %TRUE if the user can resize the window
**/
gboolean
gtk_window_get_resizable (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
return priv->resizable;
}
/**
* gtk_window_set_display:
* @window: a #GtkWindow.
* @display: a #GdkDisplay.
*
* Sets the #GdkDisplay where the @window is displayed; if
* the window is already mapped, it will be unmapped, and
* then remapped on the new display.
*/
void
gtk_window_set_display (GtkWindow *window,
GdkDisplay *display)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkWidget *widget;
gboolean was_mapped;
g_return_if_fail (GTK_IS_WINDOW (window));
g_return_if_fail (GDK_IS_DISPLAY (display));
if (display == priv->display)
return;
/* reset initial_fullscreen_monitor since they are relative to the screen */
unset_fullscreen_monitor (window);
widget = GTK_WIDGET (window);
was_mapped = _gtk_widget_get_mapped (widget);
if (was_mapped)
gtk_widget_unmap (widget);
if (_gtk_widget_get_realized (widget))
gtk_widget_unrealize (widget);
if (priv->transient_parent && gtk_widget_get_display (GTK_WIDGET (priv->transient_parent)) != display)
gtk_window_set_transient_for (window, NULL);
#ifdef GDK_WINDOWING_X11
g_signal_handlers_disconnect_by_func (gtk_settings_get_for_display (priv->display),
gtk_window_on_theme_variant_changed, window);
g_signal_connect (gtk_settings_get_for_display (display),
"notify::gtk-application-prefer-dark-theme",
G_CALLBACK (gtk_window_on_theme_variant_changed), window);
#endif
gtk_widget_unroot (widget);
priv->display = display;
gtk_widget_root (widget);
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_DISPLAY]);
if (was_mapped)
gtk_widget_map (widget);
check_scale_changed (window);
}
static void
gtk_window_set_theme_variant (GtkWindow *window)
{
#ifdef GDK_WINDOWING_X11
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
gboolean dark_theme_requested;
g_object_get (gtk_settings_get_for_display (priv->display),
"gtk-application-prefer-dark-theme", &dark_theme_requested,
NULL);
if (GDK_IS_X11_SURFACE (priv->surface))
gdk_x11_surface_set_theme_variant (priv->surface,
dark_theme_requested ? "dark" : NULL);
#endif
}
#ifdef GDK_WINDOWING_X11
static void
gtk_window_on_theme_variant_changed (GtkSettings *settings,
GParamSpec *pspec,
GtkWindow *window)
{
gtk_window_set_theme_variant (window);
}
#endif
/**
* gtk_window_is_active:
* @window: a #GtkWindow
*
* Returns whether the window is part of the current active toplevel.
* (That is, the toplevel window receiving keystrokes.)
* The return value is %TRUE if the window is active toplevel itself.
* You might use this function if you wanted to draw a widget
* differently in an active window from a widget in an inactive window.
*
* Returns: %TRUE if the window part of the current active window.
**/
gboolean
gtk_window_is_active (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
return priv->is_active;
}
/**
* gtk_window_get_group:
* @window: (allow-none): a #GtkWindow, or %NULL
*
* Returns the group for @window or the default group, if
* @window is %NULL or if @window does not have an explicit
* window group.
*
* Returns: (transfer none): the #GtkWindowGroup for a window or the default group
*/
GtkWindowGroup *
gtk_window_get_group (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (window && priv->group)
return priv->group;
else
{
static GtkWindowGroup *default_group = NULL;
if (!default_group)
default_group = gtk_window_group_new ();
return default_group;
}
}
/**
* gtk_window_has_group:
* @window: a #GtkWindow
*
* Returns whether @window has an explicit window group.
*
* Returns: %TRUE if @window has an explicit window group.
**/
gboolean
gtk_window_has_group (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
return priv->group != NULL;
}
GtkWindowGroup *
_gtk_window_get_window_group (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
return priv->group;
}
void
_gtk_window_set_window_group (GtkWindow *window,
GtkWindowGroup *group)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
priv->group = group;
}
static gboolean
gtk_window_activate_menubar (GtkWidget *widget,
GVariant *args,
gpointer unused)
{
GtkWindow *window = GTK_WINDOW (widget);
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GList *tmp_menubars, *l;
GPtrArray *menubars;
GtkWidget *focus;
GtkWidget *first;
focus = gtk_window_get_focus (window);
if (priv->title_box != NULL &&
(focus == NULL || !gtk_widget_is_ancestor (focus, priv->title_box)) &&
gtk_widget_child_focus (priv->title_box, GTK_DIR_TAB_FORWARD))
return TRUE;
tmp_menubars = gtk_popover_menu_bar_get_viewable_menu_bars (window);
if (tmp_menubars == NULL)
return FALSE;
menubars = g_ptr_array_sized_new (g_list_length (tmp_menubars));;
for (l = tmp_menubars; l; l = l->next)
g_ptr_array_add (menubars, l->data);
g_list_free (tmp_menubars);
gtk_widget_focus_sort (GTK_WIDGET (window), GTK_DIR_TAB_FORWARD, menubars);
first = g_ptr_array_index (menubars, 0);
gtk_popover_menu_bar_select_first (GTK_POPOVER_MENU_BAR (first));
g_ptr_array_free (menubars, TRUE);
return TRUE;
}
static void
gtk_window_keys_changed (GtkWindow *window)
{
}
/*
* _gtk_window_set_is_active:
* @window: a #GtkWindow
* @is_active: %TRUE if the window is in the currently active toplevel
*
* Internal function that sets whether the #GtkWindow is part
* of the currently active toplevel window (taking into account inter-process
* embedding.)
**/
static void
_gtk_window_set_is_active (GtkWindow *window,
gboolean is_active)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
if (priv->is_active == is_active)
return;
priv->is_active = is_active;
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_IS_ACTIVE]);
_gtk_window_accessible_set_is_active (window, is_active);
}
/**
* gtk_window_set_auto_startup_notification:
* @setting: %TRUE to automatically do startup notification
*
* By default, after showing the first #GtkWindow, GTK+ calls
* gdk_notify_startup_complete(). Call this function to disable
* the automatic startup notification. You might do this if your
* first window is a splash screen, and you want to delay notification
* until after your real main window has been shown, for example.
*
* In that example, you would disable startup notification
* temporarily, show your splash screen, then re-enable it so that
* showing the main window would automatically result in notification.
**/
void
gtk_window_set_auto_startup_notification (gboolean setting)
{
disable_startup_notification = !setting;
}
/**
* gtk_window_get_mnemonics_visible:
* @window: a #GtkWindow
*
* Gets the value of the #GtkWindow:mnemonics-visible property.
*
* Returns: %TRUE if mnemonics are supposed to be visible
* in this window.
*/
gboolean
gtk_window_get_mnemonics_visible (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
return priv->mnemonics_visible;
}
/**
* gtk_window_set_mnemonics_visible:
* @window: a #GtkWindow
* @setting: the new value
*
* Sets the #GtkWindow:mnemonics-visible property.
*/
void
gtk_window_set_mnemonics_visible (GtkWindow *window,
gboolean setting)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
setting = setting != FALSE;
if (priv->mnemonics_visible != setting)
{
priv->mnemonics_visible = setting;
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_MNEMONICS_VISIBLE]);
}
if (priv->mnemonics_display_timeout_id)
{
g_source_remove (priv->mnemonics_display_timeout_id);
priv->mnemonics_display_timeout_id = 0;
}
}
static gboolean
schedule_mnemonics_visible_cb (gpointer data)
{
GtkWindow *window = data;
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
priv->mnemonics_display_timeout_id = 0;
gtk_window_set_mnemonics_visible (window, TRUE);
return FALSE;
}
void
_gtk_window_schedule_mnemonics_visible (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
if (priv->mnemonics_display_timeout_id)
return;
priv->mnemonics_display_timeout_id =
g_timeout_add (MNEMONICS_DELAY, schedule_mnemonics_visible_cb, window);
g_source_set_name_by_id (priv->mnemonics_display_timeout_id, "[gtk] schedule_mnemonics_visible_cb");
}
/**
* gtk_window_get_focus_visible:
* @window: a #GtkWindow
*
* Gets the value of the #GtkWindow:focus-visible property.
*
* Returns: %TRUE if “focus rectangles” are supposed to be visible
* in this window.
*/
gboolean
gtk_window_get_focus_visible (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
return priv->focus_visible;
}
/**
* gtk_window_set_focus_visible:
* @window: a #GtkWindow
* @setting: the new value
*
* Sets the #GtkWindow:focus-visible property.
*/
void
gtk_window_set_focus_visible (GtkWindow *window,
gboolean setting)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
setting = setting != FALSE;
if (priv->focus_visible != setting)
{
priv->focus_visible = setting;
g_object_notify_by_pspec (G_OBJECT (window), window_props[PROP_FOCUS_VISIBLE]);
}
}
/**
* gtk_window_set_has_user_ref_count:
* @window: a #GtkWindow
* @setting: the new value
*
* Tells GTK+ whether to drop its extra reference to the window
* when gtk_widget_destroy() is called.
*
* This function is only exported for the benefit of language
* bindings which may need to keep the window alive until their
* wrapper object is garbage collected. There is no justification
* for ever calling this function in an application.
*/
void
gtk_window_set_has_user_ref_count (GtkWindow *window,
gboolean setting)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
g_return_if_fail (GTK_IS_WINDOW (window));
priv->has_user_ref_count = setting;
}
static void
ensure_state_flag_backdrop (GtkWidget *widget)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (GTK_WINDOW (widget));
gboolean surface_focused = TRUE;
surface_focused = gdk_toplevel_get_state (GDK_TOPLEVEL (priv->surface)) & GDK_SURFACE_STATE_FOCUSED;
if (!surface_focused)
gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_BACKDROP, FALSE);
else
gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_BACKDROP);
}
void
_gtk_window_get_shadow_width (GtkWindow *window,
GtkBorder *border)
{
get_shadow_width (window, border);
}
static void set_warn_again (gboolean warn);
static void gtk_window_set_debugging (GdkDisplay *display,
gboolean enable,
gboolean toggle,
gboolean select,
gboolean warn);
static void
warn_response (GtkDialog *dialog,
gint response)
{
GtkWidget *check;
gboolean remember;
GtkWidget *inspector_window;
GdkDisplay *display;
inspector_window = GTK_WIDGET (gtk_window_get_transient_for (GTK_WINDOW (dialog)));
display = gtk_inspector_window_get_inspected_display (GTK_INSPECTOR_WINDOW (inspector_window));
check = g_object_get_data (G_OBJECT (dialog), "check");
remember = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check));
gtk_widget_destroy (GTK_WIDGET (dialog));
g_object_set_data (G_OBJECT (inspector_window), "warning_dialog", NULL);
if (response == GTK_RESPONSE_NO)
gtk_window_set_debugging (display, FALSE, FALSE, FALSE, FALSE);
else
set_warn_again (!remember);
}
static void
gtk_window_set_debugging (GdkDisplay *display,
gboolean enable,
gboolean toggle,
gboolean select,
gboolean warn)
{
GtkWidget *dialog = NULL;
GtkWidget *area;
GtkWidget *check;
GtkWidget *inspector_window;
gboolean was_debugging;
was_debugging = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (display), "-gtk-debugging-enabled"));
if (toggle)
enable = !was_debugging;
g_object_set_data (G_OBJECT (display), "-gtk-debugging-enabled", GINT_TO_POINTER (enable));
if (enable)
{
inspector_window = gtk_inspector_window_get (display);
gtk_window_present (GTK_WINDOW (inspector_window));
if (warn)
{
dialog = gtk_message_dialog_new (GTK_WINDOW (inspector_window),
GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_QUESTION,
GTK_BUTTONS_NONE,
_("Do you want to use GTK Inspector?"));
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
_("GTK Inspector is an interactive debugger that lets you explore and "
"modify the internals of any GTK application. Using it may cause the "
"application to break or crash."));
area = gtk_message_dialog_get_message_area (GTK_MESSAGE_DIALOG (dialog));
check = gtk_check_button_new_with_label (_("Don’t show this message again"));
gtk_widget_set_margin_start (check, 10);
gtk_widget_show (check);
gtk_container_add (GTK_CONTAINER (area), check);
g_object_set_data (G_OBJECT (dialog), "check", check);
gtk_dialog_add_button (GTK_DIALOG (dialog), _("_Cancel"), GTK_RESPONSE_NO);
gtk_dialog_add_button (GTK_DIALOG (dialog), _("_OK"), GTK_RESPONSE_YES);
g_signal_connect (dialog, "response", G_CALLBACK (warn_response), inspector_window);
g_object_set_data (G_OBJECT (inspector_window), "warning_dialog", dialog);
gtk_widget_show (dialog);
}
if (select)
gtk_inspector_window_select_widget_under_pointer (GTK_INSPECTOR_WINDOW (inspector_window));
}
else if (was_debugging)
{
inspector_window = gtk_inspector_window_get (display);
gtk_widget_hide (inspector_window);
}
}
/**
* gtk_window_set_interactive_debugging:
* @enable: %TRUE to enable interactive debugging
*
* Opens or closes the [interactive debugger][interactive-debugging],
* which offers access to the widget hierarchy of the application
* and to useful debugging tools.
*/
void
gtk_window_set_interactive_debugging (gboolean enable)
{
GdkDisplay *display = gdk_display_get_default ();
gtk_window_set_debugging (display, enable, FALSE, FALSE, FALSE);
}
static gboolean
inspector_keybinding_enabled (gboolean *warn)
{
GSettingsSchema *schema;
GSettings *settings;
gboolean enabled;
enabled = FALSE;
*warn = FALSE;
schema = g_settings_schema_source_lookup (g_settings_schema_source_get_default (),
"org.gtk.gtk4.Settings.Debug",
TRUE);
if (schema)
{
settings = g_settings_new_full (schema, NULL, NULL);
enabled = g_settings_get_boolean (settings, "enable-inspector-keybinding");
*warn = g_settings_get_boolean (settings, "inspector-warning");
g_object_unref (settings);
g_settings_schema_unref (schema);
}
return enabled;
}
static void
set_warn_again (gboolean warn)
{
GSettingsSchema *schema;
GSettings *settings;
schema = g_settings_schema_source_lookup (g_settings_schema_source_get_default (),
"org.gtk.gtk4.Settings.Debug",
TRUE);
if (schema)
{
settings = g_settings_new_full (schema, NULL, NULL);
g_settings_set_boolean (settings, "inspector-warning", warn);
g_object_unref (settings);
g_settings_schema_unref (schema);
}
}
static gboolean
gtk_window_enable_debugging (GtkWindow *window,
gboolean toggle)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
gboolean warn;
if (!inspector_keybinding_enabled (&warn))
return FALSE;
gtk_window_set_debugging (priv->display, TRUE, toggle, !toggle, warn);
return TRUE;
}
#ifdef GDK_WINDOWING_WAYLAND
typedef struct {
GtkWindow *window;
GtkWindowHandleExported callback;
gpointer user_data;
} WaylandSurfaceHandleExportedData;
static void
wayland_surface_handle_exported (GdkSurface *window,
const char *wayland_handle_str,
gpointer user_data)
{
WaylandSurfaceHandleExportedData *data = user_data;
char *handle_str;
handle_str = g_strdup_printf ("wayland:%s", wayland_handle_str);
data->callback (data->window, handle_str, data->user_data);
g_free (handle_str);
}
#endif
gboolean
gtk_window_export_handle (GtkWindow *window,
GtkWindowHandleExported callback,
gpointer user_data)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
#ifdef GDK_WINDOWING_X11
if (GDK_IS_X11_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
{
char *handle_str;
guint32 xid = (guint32) gdk_x11_surface_get_xid (priv->surface);
handle_str = g_strdup_printf ("x11:%x", xid);
callback (window, handle_str, user_data);
g_free (handle_str);
return TRUE;
}
#endif
#ifdef GDK_WINDOWING_WAYLAND
if (GDK_IS_WAYLAND_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
{
WaylandSurfaceHandleExportedData *data;
data = g_new0 (WaylandSurfaceHandleExportedData, 1);
data->window = window;
data->callback = callback;
data->user_data = user_data;
if (!gdk_wayland_surface_export_handle (priv->surface,
wayland_surface_handle_exported,
data,
g_free))
{
g_free (data);
return FALSE;
}
else
{
return TRUE;
}
}
#endif
g_warning ("Couldn't export handle for %s surface, unsupported windowing system",
G_OBJECT_TYPE_NAME (priv->surface));
return FALSE;
}
void
gtk_window_unexport_handle (GtkWindow *window)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
#ifdef GDK_WINDOWING_WAYLAND
if (GDK_IS_WAYLAND_DISPLAY (gtk_widget_get_display (GTK_WIDGET (window))))
{
gdk_wayland_surface_unexport_handle (priv->surface);
return;
}
#endif
g_warning ("Couldn't unexport handle for %s surface, unsupported windowing system",
G_OBJECT_TYPE_NAME (priv->surface));
}
static GtkPointerFocus *
gtk_window_lookup_pointer_focus (GtkWindow *window,
GdkDevice *device,
GdkEventSequence *sequence)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GList *l;
for (l = priv->foci; l; l = l->next)
{
GtkPointerFocus *focus = l->data;
if (focus->device == device && focus->sequence == sequence)
return focus;
}
return NULL;
}
GtkWidget *
gtk_window_lookup_pointer_focus_widget (GtkWindow *window,
GdkDevice *device,
GdkEventSequence *sequence)
{
GtkPointerFocus *focus;
focus = gtk_window_lookup_pointer_focus (window, device, sequence);
return focus ? gtk_pointer_focus_get_target (focus) : NULL;
}
GtkWidget *
gtk_window_lookup_effective_pointer_focus_widget (GtkWindow *window,
GdkDevice *device,
GdkEventSequence *sequence)
{
GtkPointerFocus *focus;
focus = gtk_window_lookup_pointer_focus (window, device, sequence);
return focus ? gtk_pointer_focus_get_effective_target (focus) : NULL;
}
GtkWidget *
gtk_window_lookup_pointer_focus_implicit_grab (GtkWindow *window,
GdkDevice *device,
GdkEventSequence *sequence)
{
GtkPointerFocus *focus;
focus = gtk_window_lookup_pointer_focus (window, device, sequence);
return focus ? gtk_pointer_focus_get_implicit_grab (focus) : NULL;
}
void
gtk_window_update_pointer_focus (GtkWindow *window,
GdkDevice *device,
GdkEventSequence *sequence,
GtkWidget *target,
gdouble x,
gdouble y)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GtkPointerFocus *focus;
focus = gtk_window_lookup_pointer_focus (window, device, sequence);
if (focus)
{
gtk_pointer_focus_ref (focus);
if (target)
{
gtk_pointer_focus_set_target (focus, target);
gtk_pointer_focus_set_coordinates (focus, x, y);
}
else
{
GList *pos;
pos = g_list_find (priv->foci, focus);
if (pos)
{
priv->foci = g_list_remove (priv->foci, focus);
gtk_pointer_focus_unref (focus);
}
}
gtk_pointer_focus_unref (focus);
}
else if (target)
{
focus = gtk_pointer_focus_new (window, target, device, sequence, x, y);
priv->foci = g_list_prepend (priv->foci, focus);
}
}
void
gtk_window_update_pointer_focus_on_state_change (GtkWindow *window,
GtkWidget *widget)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GList *l = priv->foci;
while (l)
{
GList *next;
GtkPointerFocus *focus = l->data;
next = l->next;
gtk_pointer_focus_ref (focus);
if (focus->grab_widget &&
(focus->grab_widget == widget ||
gtk_widget_is_ancestor (focus->grab_widget, widget)))
gtk_pointer_focus_set_implicit_grab (focus, NULL);
if (GTK_WIDGET (focus->toplevel) == widget)
{
/* Unmapping the toplevel, remove pointer focus */
priv->foci = g_list_remove_link (priv->foci, l);
gtk_pointer_focus_unref (focus);
g_list_free (l);
}
else if (focus->target == widget ||
gtk_widget_is_ancestor (focus->target, widget))
{
gtk_pointer_focus_repick_target (focus);
}
gtk_pointer_focus_unref (focus);
l = next;
}
}
void
gtk_window_maybe_revoke_implicit_grab (GtkWindow *window,
GdkDevice *device,
GtkWidget *grab_widget)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GList *l = priv->foci;
while (l)
{
GtkPointerFocus *focus = l->data;
l = l->next;
if (focus->toplevel != window)
continue;
if (device && focus->device == device &&
focus->target != grab_widget &&
!gtk_widget_is_ancestor (focus->target, grab_widget))
gtk_window_set_pointer_focus_grab (window,
focus->device,
focus->sequence,
NULL);
}
}
void
gtk_window_set_pointer_focus_grab (GtkWindow *window,
GdkDevice *device,
GdkEventSequence *sequence,
GtkWidget *grab_widget)
{
GtkPointerFocus *focus;
focus = gtk_window_lookup_pointer_focus (window, device, sequence);
if (!focus && !grab_widget)
return;
g_assert (focus != NULL);
gtk_pointer_focus_set_implicit_grab (focus, grab_widget);
}
static void
update_cursor (GtkWindow *toplevel,
GdkDevice *device,
GtkWidget *grab_widget,
GtkWidget *target)
{
GdkCursor *cursor = NULL;
GdkSurface *surface;
surface = gtk_native_get_surface (gtk_widget_get_native (target));
if (grab_widget && !gtk_widget_is_ancestor (target, grab_widget))
{
/* Outside the grab widget, cursor stays to whatever the grab
* widget says.
*/
if (gtk_native_get_surface (gtk_widget_get_native (grab_widget)) == surface)
cursor = gtk_widget_get_cursor (grab_widget);
else
cursor = NULL;
}
else
{
/* Inside the grab widget or in absence of grabs, allow walking
* up the hierarchy to find out the cursor.
*/
while (target)
{
if (grab_widget && target == grab_widget)
break;
/* Don't inherit cursors across surfaces */
if (surface != gtk_native_get_surface (gtk_widget_get_native (target)))
break;
cursor = gtk_widget_get_cursor (target);
if (cursor)
break;
target = _gtk_widget_get_parent (target);
}
}
gdk_surface_set_device_cursor (surface, device, cursor);
}
void
gtk_window_maybe_update_cursor (GtkWindow *window,
GtkWidget *widget,
GdkDevice *device)
{
GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
GList *l;
for (l = priv->foci; l; l = l->next)
{
GtkPointerFocus *focus = l->data;
GtkWidget *grab_widget, *target;
GtkWindowGroup *group;
if (focus->sequence)
continue;
if (device && device != focus->device)
continue;
group = gtk_window_get_group (window);
grab_widget = gtk_window_group_get_current_grab (group);
if (!grab_widget)
grab_widget = gtk_pointer_focus_get_implicit_grab (focus);
target = gtk_pointer_focus_get_target (focus);
if (widget)
{
/* Check whether the changed widget affects the current cursor
* lookups.
*/
if (grab_widget && grab_widget != widget &&
!gtk_widget_is_ancestor (widget, grab_widget))
continue;
if (target != widget &&
!gtk_widget_is_ancestor (target, widget))
continue;
}
update_cursor (focus->toplevel, focus->device, grab_widget, target);
if (device)
break;
}
}
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