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gtk2/gtk/gtkwindow.c
Tim Janik fc86f630a6 dunno, what cvs wants right now. i just told me these 
changes are already commited... ;(
-timj
1998-02-02 21:41:24 +00:00

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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 Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <string.h>
#include <limits.h>
#include "gdk/gdk.h"
#include "gdk/gdkkeysyms.h"
#include "gdk/gdkx.h"
#include "gtkprivate.h"
#include "gtksignal.h"
#include "gtkwindow.h"
enum {
MOVE_RESIZE,
SET_FOCUS,
LAST_SIGNAL
};
enum {
ARG_0,
ARG_TYPE,
ARG_TITLE,
ARG_AUTO_SHRINK,
ARG_ALLOW_SHRINK,
ARG_ALLOW_GROW,
ARG_WIN_POS
};
typedef gint (*GtkWindowSignal1) (GtkObject *object,
gpointer arg1,
gpointer arg2,
gint arg3,
gint arg4,
gpointer data);
typedef void (*GtkWindowSignal2) (GtkObject *object,
gpointer arg1,
gpointer data);
static void gtk_window_marshal_signal_1 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
static void gtk_window_marshal_signal_2 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
static void gtk_window_class_init (GtkWindowClass *klass);
static void gtk_window_init (GtkWindow *window);
static void gtk_window_set_arg (GtkWindow *window,
GtkArg *arg,
guint arg_id);
static void gtk_window_get_arg (GtkWindow *window,
GtkArg *arg,
guint arg_id);
static void gtk_window_destroy (GtkObject *object);
static void gtk_window_finalize (GtkObject *object);
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_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void gtk_window_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static gint gtk_window_expose_event (GtkWidget *widget,
GdkEventExpose *event);
static gint gtk_window_configure_event (GtkWidget *widget,
GdkEventConfigure *event);
static gint gtk_window_key_press_event (GtkWidget *widget,
GdkEventKey *event);
static gint gtk_window_key_release_event (GtkWidget *widget,
GdkEventKey *event);
static gint gtk_window_enter_notify_event (GtkWidget *widget,
GdkEventCrossing *event);
static gint gtk_window_leave_notify_event (GtkWidget *widget,
GdkEventCrossing *event);
static gint gtk_window_focus_in_event (GtkWidget *widget,
GdkEventFocus *event);
static gint gtk_window_focus_out_event (GtkWidget *widget,
GdkEventFocus *event);
static gint gtk_window_client_event (GtkWidget *widget,
GdkEventClient *event);
static gint gtk_window_need_resize (GtkContainer *container);
static gint gtk_real_window_move_resize (GtkWindow *window,
gint *x,
gint *y,
gint width,
gint height);
static void gtk_real_window_set_focus (GtkWindow *window,
GtkWidget *focus);
static gint gtk_window_move_resize (GtkWidget *widget);
static void gtk_window_set_hints (GtkWidget *widget,
GtkRequisition *requisition);
static gint gtk_window_check_accelerator (GtkWindow *window,
gint key,
guint mods);
static GtkBinClass *parent_class = NULL;
static gint window_signals[LAST_SIGNAL] = { 0 };
guint
gtk_window_get_type ()
{
static guint window_type = 0;
if (!window_type)
{
GtkTypeInfo window_info =
{
"GtkWindow",
sizeof (GtkWindow),
sizeof (GtkWindowClass),
(GtkClassInitFunc) gtk_window_class_init,
(GtkObjectInitFunc) gtk_window_init,
(GtkArgSetFunc) gtk_window_set_arg,
(GtkArgGetFunc) gtk_window_get_arg,
};
window_type = gtk_type_unique (gtk_bin_get_type (), &window_info);
}
return window_type;
}
static void
gtk_window_class_init (GtkWindowClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
object_class = (GtkObjectClass*) klass;
widget_class = (GtkWidgetClass*) klass;
container_class = (GtkContainerClass*) klass;
parent_class = gtk_type_class (gtk_bin_get_type ());
gtk_object_add_arg_type ("GtkWindow::type", GTK_TYPE_WINDOW_TYPE, ARG_TYPE);
gtk_object_add_arg_type ("GtkWindow::title", GTK_TYPE_STRING, ARG_TITLE);
gtk_object_add_arg_type ("GtkWindow::auto_shrink", GTK_TYPE_BOOL, ARG_AUTO_SHRINK);
gtk_object_add_arg_type ("GtkWindow::allow_shrink", GTK_TYPE_BOOL, ARG_ALLOW_SHRINK);
gtk_object_add_arg_type ("GtkWindow::allow_grow", GTK_TYPE_BOOL, ARG_ALLOW_GROW);
gtk_object_add_arg_type ("GtkWindow::window_position", GTK_TYPE_ENUM, ARG_WIN_POS);
window_signals[MOVE_RESIZE] =
gtk_signal_new ("move_resize",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkWindowClass, move_resize),
gtk_window_marshal_signal_1,
GTK_TYPE_BOOL, 4,
GTK_TYPE_POINTER, GTK_TYPE_POINTER,
GTK_TYPE_INT, GTK_TYPE_INT);
window_signals[SET_FOCUS] =
gtk_signal_new ("set_focus",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkWindowClass, set_focus),
gtk_window_marshal_signal_2,
GTK_TYPE_NONE, 1,
GTK_TYPE_POINTER);
gtk_object_class_add_signals (object_class, window_signals, LAST_SIGNAL);
object_class->destroy = gtk_window_destroy;
object_class->finalize = gtk_window_finalize;
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->size_request = gtk_window_size_request;
widget_class->size_allocate = gtk_window_size_allocate;
widget_class->expose_event = gtk_window_expose_event;
widget_class->configure_event = gtk_window_configure_event;
widget_class->key_press_event = gtk_window_key_press_event;
widget_class->key_release_event = gtk_window_key_release_event;
widget_class->enter_notify_event = gtk_window_enter_notify_event;
widget_class->leave_notify_event = gtk_window_leave_notify_event;
widget_class->focus_in_event = gtk_window_focus_in_event;
widget_class->focus_out_event = gtk_window_focus_out_event;
widget_class->client_event = gtk_window_client_event;
container_class->need_resize = gtk_window_need_resize;
klass->move_resize = gtk_real_window_move_resize;
klass->set_focus = gtk_real_window_set_focus;
}
static void
gtk_window_init (GtkWindow *window)
{
GTK_WIDGET_UNSET_FLAGS (window, GTK_NO_WINDOW);
GTK_WIDGET_SET_FLAGS (window, GTK_TOPLEVEL);
window->title = NULL;
window->wmclass_name = NULL;
window->wmclass_class = NULL;
window->type = GTK_WINDOW_TOPLEVEL;
window->accelerator_tables = NULL;
window->focus_widget = NULL;
window->default_widget = NULL;
window->resize_count = 0;
window->need_resize = FALSE;
window->allow_shrink = FALSE;
window->allow_grow = TRUE;
window->auto_shrink = FALSE;
window->handling_resize = FALSE;
window->position = GTK_WIN_POS_NONE;
window->use_uposition = TRUE;
gtk_container_register_toplevel (GTK_CONTAINER (window));
}
static void
gtk_window_set_arg (GtkWindow *window,
GtkArg *arg,
guint arg_id)
{
switch (arg_id)
{
case ARG_TYPE:
window->type = GTK_VALUE_ENUM (*arg);
break;
case ARG_TITLE:
gtk_window_set_title (window, GTK_VALUE_STRING (*arg));
break;
case ARG_AUTO_SHRINK:
window->auto_shrink = (GTK_VALUE_BOOL (*arg) != FALSE);
break;
case ARG_ALLOW_SHRINK:
window->allow_shrink = (GTK_VALUE_BOOL (*arg) != FALSE);
break;
case ARG_ALLOW_GROW:
window->allow_grow = (GTK_VALUE_BOOL (*arg) != FALSE);
break;
case ARG_WIN_POS:
gtk_window_position (window, GTK_VALUE_ENUM (*arg));
break;
default:
arg->type = GTK_TYPE_INVALID;
break;
}
}
static void
gtk_window_get_arg (GtkWindow *window,
GtkArg *arg,
guint arg_id)
{
switch (arg_id)
{
case ARG_TYPE:
GTK_VALUE_ENUM (*arg) = window->type;
break;
case ARG_TITLE:
GTK_VALUE_STRING (*arg) = g_strdup (window->title);
break;
case ARG_AUTO_SHRINK:
GTK_VALUE_BOOL (*arg) = window->auto_shrink;
break;
case ARG_ALLOW_SHRINK:
GTK_VALUE_BOOL (*arg) = window->allow_shrink;
break;
case ARG_ALLOW_GROW:
GTK_VALUE_BOOL (*arg) = window->allow_grow;
break;
case ARG_WIN_POS:
GTK_VALUE_ENUM (*arg) = window->position;
break;
default:
arg->type = GTK_TYPE_INVALID;
break;
}
}
GtkWidget*
gtk_window_new (GtkWindowType type)
{
GtkWindow *window;
window = gtk_type_new (gtk_window_get_type ());
window->type = type;
return GTK_WIDGET (window);
}
void
gtk_window_set_title (GtkWindow *window,
const gchar *title)
{
g_return_if_fail (window != NULL);
g_return_if_fail (GTK_IS_WINDOW (window));
if (window->title)
g_free (window->title);
window->title = g_strdup (title);
if (GTK_WIDGET_REALIZED (window))
gdk_window_set_title (GTK_WIDGET (window)->window, window->title);
}
void
gtk_window_set_wmclass (GtkWindow *window,
gchar *wmclass_name,
gchar *wmclass_class)
{
g_return_if_fail (window != NULL);
g_return_if_fail (GTK_IS_WINDOW (window));
if (window->wmclass_name)
g_free (window->wmclass_name);
window->wmclass_name = g_strdup (wmclass_name);
if (window->wmclass_class)
g_free (window->wmclass_class);
window->wmclass_class = g_strdup (wmclass_class);
if (GTK_WIDGET_REALIZED (window))
g_warning ("shouldn't set wmclass after window is realized!\n");
}
void
gtk_window_set_focus (GtkWindow *window,
GtkWidget *focus)
{
gtk_signal_emit (GTK_OBJECT (window), window_signals[SET_FOCUS], focus);
}
void
gtk_window_set_default (GtkWindow *window,
GtkWidget *defaultw)
{
g_return_if_fail (window != NULL);
g_return_if_fail (GTK_IS_WINDOW (window));
g_return_if_fail (GTK_WIDGET_CAN_DEFAULT (defaultw));
if (window->default_widget != defaultw)
{
if (window->default_widget)
{
GTK_WIDGET_UNSET_FLAGS (window->default_widget, GTK_HAS_DEFAULT);
gtk_widget_draw_default (window->default_widget);
}
window->default_widget = defaultw;
if (window->default_widget)
{
GTK_WIDGET_SET_FLAGS (window->default_widget, GTK_HAS_DEFAULT);
gtk_widget_draw_default (window->default_widget);
}
}
}
void
gtk_window_set_policy (GtkWindow *window,
gint allow_shrink,
gint allow_grow,
gint auto_shrink)
{
g_return_if_fail (window != NULL);
g_return_if_fail (GTK_IS_WINDOW (window));
window->allow_shrink = (allow_shrink != FALSE);
window->allow_grow = (allow_grow != FALSE);
window->auto_shrink = (auto_shrink != FALSE);
}
void
gtk_window_add_accelerator_table (GtkWindow *window,
GtkAcceleratorTable *table)
{
g_return_if_fail (window != NULL);
g_return_if_fail (GTK_IS_WINDOW (window));
gtk_accelerator_table_ref (table);
window->accelerator_tables = g_list_prepend (window->accelerator_tables,
table);
}
void
gtk_window_remove_accelerator_table (GtkWindow *window,
GtkAcceleratorTable *table)
{
g_return_if_fail (window != NULL);
g_return_if_fail (GTK_IS_WINDOW (window));
window->accelerator_tables = g_list_remove (window->accelerator_tables,
table);
gtk_accelerator_table_unref (table);
}
void
gtk_window_position (GtkWindow *window,
GtkWindowPosition position)
{
g_return_if_fail (window != NULL);
g_return_if_fail (GTK_IS_WINDOW (window));
window->position = position;
}
gint
gtk_window_activate_focus (GtkWindow *window)
{
g_return_val_if_fail (window != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
if (window->focus_widget)
{
gtk_widget_activate (window->focus_widget);
return TRUE;
}
return FALSE;
}
gint
gtk_window_activate_default (GtkWindow *window)
{
g_return_val_if_fail (window != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
if (window->default_widget)
{
gtk_widget_activate (window->default_widget);
return TRUE;
}
return FALSE;
}
static void
gtk_window_marshal_signal_1 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args)
{
GtkWindowSignal1 rfunc;
gint *return_val;
rfunc = (GtkWindowSignal1) func;
return_val = GTK_RETLOC_BOOL (args[4]);
*return_val = (* rfunc) (object,
GTK_VALUE_POINTER (args[0]),
GTK_VALUE_POINTER (args[1]),
GTK_VALUE_INT (args[2]),
GTK_VALUE_INT (args[3]),
func_data);
}
static void
gtk_window_marshal_signal_2 (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args)
{
GtkWindowSignal2 rfunc;
rfunc = (GtkWindowSignal2) func;
(* rfunc) (object, GTK_VALUE_POINTER (args[0]), func_data);
}
static void
gtk_window_destroy (GtkObject *object)
{
g_return_if_fail (object != NULL);
g_return_if_fail (GTK_IS_WINDOW (object));
gtk_container_unregister_toplevel (GTK_CONTAINER (object));
if (GTK_OBJECT_CLASS (parent_class)->destroy)
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
static void
gtk_window_finalize (GtkObject *object)
{
GtkWindow *window;
g_return_if_fail (object != NULL);
g_return_if_fail (GTK_IS_WINDOW (object));
window = GTK_WINDOW (object);
g_free (window->title);
GTK_OBJECT_CLASS(parent_class)->finalize (object);
}
static void
gtk_window_show (GtkWidget *widget)
{
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_WINDOW (widget));
GTK_WIDGET_SET_FLAGS (widget, GTK_VISIBLE);
gtk_container_need_resize (GTK_CONTAINER (widget));
gtk_widget_map (widget);
}
static void
gtk_window_hide (GtkWidget *widget)
{
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_WINDOW (widget));
GTK_WIDGET_UNSET_FLAGS (widget, GTK_VISIBLE);
gtk_widget_unmap (widget);
}
static void
gtk_window_map (GtkWidget *widget)
{
GtkWindow *window;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_WINDOW (widget));
GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
gtk_window_move_resize (widget);
window = GTK_WINDOW (widget);
if (window->bin.child &&
GTK_WIDGET_VISIBLE (window->bin.child) &&
!GTK_WIDGET_MAPPED (window->bin.child))
gtk_widget_map (window->bin.child);
gtk_window_set_hints (widget, &widget->requisition);
gdk_window_show (widget->window);
}
static void
gtk_window_unmap (GtkWidget *widget)
{
GtkWindow *window;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_WINDOW (widget));
GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
gdk_window_hide (widget->window);
window = GTK_WINDOW (widget);
window->use_uposition = TRUE;
}
static void
gtk_window_realize (GtkWidget *widget)
{
GtkWindow *window;
GdkWindowAttr attributes;
gint attributes_mask;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_WINDOW (widget));
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
window = GTK_WINDOW (widget);
switch (window->type)
{
case GTK_WINDOW_TOPLEVEL:
attributes.window_type = GDK_WINDOW_TOPLEVEL;
break;
case GTK_WINDOW_DIALOG:
attributes.window_type = GDK_WINDOW_DIALOG;
break;
case GTK_WINDOW_POPUP:
attributes.window_type = GDK_WINDOW_TEMP;
break;
}
attributes.title = window->title;
attributes.wmclass_name = window->wmclass_name;
attributes.wmclass_class = window->wmclass_class;
attributes.width = widget->allocation.width;
attributes.height = widget->allocation.height;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
attributes.colormap = gtk_widget_get_colormap (widget);
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= (GDK_EXPOSURE_MASK |
GDK_KEY_PRESS_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK |
GDK_FOCUS_CHANGE_MASK |
GDK_STRUCTURE_MASK);
attributes_mask = GDK_WA_VISUAL | GDK_WA_COLORMAP;
attributes_mask |= (window->title ? GDK_WA_TITLE : 0);
attributes_mask |= (window->wmclass_name ? GDK_WA_WMCLASS : 0);
widget->window = gdk_window_new (NULL, &attributes, attributes_mask);
gdk_window_set_user_data (widget->window, window);
widget->style = gtk_style_attach (widget->style, widget->window);
gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
}
static void
gtk_window_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkWindow *window;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_WINDOW (widget));
g_return_if_fail (requisition != NULL);
window = GTK_WINDOW (widget);
if (window->bin.child)
{
requisition->width = GTK_CONTAINER (window)->border_width * 2;
requisition->height = GTK_CONTAINER (window)->border_width * 2;
gtk_widget_size_request (window->bin.child, &window->bin.child->requisition);
requisition->width += window->bin.child->requisition.width;
requisition->height += window->bin.child->requisition.height;
}
else
{
if (!GTK_WIDGET_VISIBLE (window))
window->need_resize = TRUE;
}
}
static void
gtk_window_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkWindow *window;
GtkAllocation child_allocation;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_WINDOW (widget));
g_return_if_fail (allocation != NULL);
window = GTK_WINDOW (widget);
widget->allocation = *allocation;
if (window->bin.child && GTK_WIDGET_VISIBLE (window->bin.child))
{
child_allocation.x = GTK_CONTAINER (window)->border_width;
child_allocation.y = GTK_CONTAINER (window)->border_width;
child_allocation.width = allocation->width - child_allocation.x * 2;
child_allocation.height = allocation->height - child_allocation.y * 2;
gtk_widget_size_allocate (window->bin.child, &child_allocation);
}
}
static gint
gtk_window_expose_event (GtkWidget *widget,
GdkEventExpose *event)
{
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (GTK_WIDGET_DRAWABLE (widget))
if (GTK_WIDGET_CLASS (parent_class)->expose_event)
return (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
return FALSE;
}
static gint
gtk_window_configure_event (GtkWidget *widget,
GdkEventConfigure *event)
{
GtkWindow *window;
GtkAllocation allocation;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
window = GTK_WINDOW (widget);
window->handling_resize = TRUE;
allocation.x = 0;
allocation.y = 0;
allocation.width = event->width;
allocation.height = event->height;
gtk_widget_size_allocate (widget, &allocation);
if (window->bin.child &&
GTK_WIDGET_VISIBLE (window->bin.child) &&
!GTK_WIDGET_MAPPED (window->bin.child))
gtk_widget_map (window->bin.child);
window->resize_count -= 1;
if (window->resize_count == 0)
{
if ((event->width != widget->requisition.width) ||
(event->height != widget->requisition.height))
{
window->resize_count += 1;
gdk_window_resize (widget->window,
widget->requisition.width,
widget->requisition.height);
}
}
else if (window->resize_count < 0)
{
window->resize_count = 0;
}
window->handling_resize = FALSE;
return FALSE;
}
static gint
gtk_window_key_press_event (GtkWidget *widget,
GdkEventKey *event)
{
GtkWindow *window;
GtkDirectionType direction = 0;
gint return_val;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
window = GTK_WINDOW (widget);
return_val = FALSE;
if (window->focus_widget)
return_val = gtk_widget_event (window->focus_widget, (GdkEvent*) event);
if (!return_val && gtk_window_check_accelerator (window, event->keyval, event->state))
return_val = TRUE;
if (!return_val)
{
switch (event->keyval)
{
case GDK_space:
if (window->focus_widget)
{
gtk_widget_activate (window->focus_widget);
return_val = TRUE;
}
break;
case GDK_Return:
case GDK_KP_Enter:
if (window->default_widget)
{
gtk_widget_activate (window->default_widget);
return_val = TRUE;
}
else if (window->focus_widget)
{
gtk_widget_activate (window->focus_widget);
return_val = TRUE;
}
break;
case GDK_Up:
case GDK_Down:
case GDK_Left:
case GDK_Right:
case GDK_Tab:
switch (event->keyval)
{
case GDK_Up:
direction = GTK_DIR_UP;
break;
case GDK_Down:
direction = GTK_DIR_DOWN;
break;
case GDK_Left:
direction = GTK_DIR_LEFT;
break;
case GDK_Right:
direction = GTK_DIR_RIGHT;
break;
case GDK_Tab:
if (event->state & GDK_SHIFT_MASK)
direction = GTK_DIR_TAB_BACKWARD;
else
direction = GTK_DIR_TAB_FORWARD;
break;
default :
direction = GTK_DIR_UP; /* never reached, but makes compiler happy */
}
gtk_container_focus (GTK_CONTAINER (widget), direction);
if (!GTK_CONTAINER (window)->focus_child)
gtk_window_set_focus (GTK_WINDOW (widget), NULL);
else
return_val = TRUE;
break;
}
}
return return_val;
}
static gint
gtk_window_key_release_event (GtkWidget *widget,
GdkEventKey *event)
{
GtkWindow *window;
gint return_val;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
window = GTK_WINDOW (widget);
return_val = FALSE;
if (window->focus_widget)
return_val = gtk_widget_event (window->focus_widget, (GdkEvent*) event);
return return_val;
}
static gint
gtk_window_enter_notify_event (GtkWidget *widget,
GdkEventCrossing *event)
{
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
return FALSE;
}
static gint
gtk_window_leave_notify_event (GtkWidget *widget,
GdkEventCrossing *event)
{
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
return FALSE;
}
static gint
gtk_window_focus_in_event (GtkWidget *widget,
GdkEventFocus *event)
{
GtkWindow *window;
GdkEventFocus fevent;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
/* 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_VISIBLE (widget))
{
window = GTK_WINDOW (widget);
if (window->focus_widget && !GTK_WIDGET_HAS_FOCUS (window->focus_widget))
{
fevent.type = GDK_FOCUS_CHANGE;
fevent.window = window->focus_widget->window;
fevent.in = TRUE;
gtk_widget_event (window->focus_widget, (GdkEvent*) &fevent);
}
}
return FALSE;
}
static gint
gtk_window_focus_out_event (GtkWidget *widget,
GdkEventFocus *event)
{
GtkWindow *window;
GdkEventFocus fevent;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
window = GTK_WINDOW (widget);
if (window->focus_widget && GTK_WIDGET_HAS_FOCUS (window->focus_widget))
{
fevent.type = GDK_FOCUS_CHANGE;
fevent.window = window->focus_widget->window;
fevent.in = FALSE;
gtk_widget_event (window->focus_widget, (GdkEvent*) &fevent);
}
return FALSE;
}
static void
gtk_window_style_set_event (GtkWidget *widget,
GdkEventClient *event)
{
GdkAtom atom_default_colors;
GtkStyle *style_newdefault;
GdkAtom realtype;
gint retfmt, retlen;
GdkColor *data, *stylecolors;
int i = 0;
GdkColormap *widget_cmap;
atom_default_colors = gdk_atom_intern("_GTK_DEFAULT_COLORS", FALSE);
if(gdk_property_get (GDK_ROOT_PARENT(),
atom_default_colors,
gdk_atom_intern("STRING", FALSE),
0,
sizeof(GdkColor) * GTK_STYLE_NUM_STYLECOLORS(),
FALSE,
&realtype,
&retfmt,
&retlen,
(guchar **)&data) != TRUE) {
g_warning("gdk_property_get() failed in _GTK_STYLE_CHANGED handler\n");
return;
}
if(retfmt != sizeof(gushort)*8) {
g_warning("retfmt (%d) != sizeof(gushort)*8 (%d)\n", retfmt,
sizeof(gushort)*8);
return;
}
/* We have the color data, now let's interpret it */
style_newdefault = gtk_widget_get_default_style();
gtk_style_ref(style_newdefault);
stylecolors = (GdkColor *) style_newdefault;
widget_cmap = gtk_widget_get_colormap(widget);
for(i = 0; i < GTK_STYLE_NUM_STYLECOLORS(); i++) {
stylecolors[i] = data[i];
gdk_color_alloc(widget_cmap, &stylecolors[i]);
}
gtk_widget_set_default_style(style_newdefault);
gtk_style_unref(style_newdefault);
/* Now we need to redraw everything */
gtk_widget_draw(widget, NULL);
gtk_widget_draw_children(widget);
}
static gint
gtk_window_client_event (GtkWidget *widget,
GdkEventClient *event)
{
GdkAtom atom_styleset;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
atom_styleset = gdk_atom_intern("_GTK_STYLE_CHANGED", FALSE);
if(event->message_type == atom_styleset) {
gtk_window_style_set_event(widget, event);
}
return FALSE;
}
static gint
gtk_window_need_resize (GtkContainer *container)
{
GtkWindow *window;
gint return_val;
g_return_val_if_fail (container != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (container), FALSE);
return_val = FALSE;
window = GTK_WINDOW (container);
if (window->handling_resize)
return return_val;
if (GTK_WIDGET_VISIBLE (container))
{
window->need_resize = TRUE;
return_val = gtk_window_move_resize (GTK_WIDGET (window));
window->need_resize = FALSE;
}
return return_val;
}
static gint
gtk_real_window_move_resize (GtkWindow *window,
gint *x,
gint *y,
gint width,
gint height)
{
GtkWidget *widget;
GtkWidget *resize_container, *child;
GSList *resize_containers;
GSList *tmp_list;
gint return_val;
g_return_val_if_fail (window != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
g_return_val_if_fail ((x != NULL) || (y != NULL), FALSE);
return_val = FALSE;
widget = GTK_WIDGET (window);
if ((*x != -1) && (*y != -1))
gdk_window_move (widget->window, *x, *y);
if ((widget->requisition.width == 0) ||
(widget->requisition.height == 0))
{
widget->requisition.width = 200;
widget->requisition.height = 200;
}
gdk_window_get_geometry (widget->window, NULL, NULL, &width, &height, NULL);
resize_containers = NULL;
if ((window->auto_shrink &&
((width != widget->requisition.width) ||
(height != widget->requisition.height))) ||
(width < widget->requisition.width) ||
(height < widget->requisition.height))
{
if (window->resize_count == 0)
{
window->resize_count += 1;
gdk_window_resize (widget->window,
widget->requisition.width,
widget->requisition.height);
}
}
else
{
/* The window hasn't changed size but one of its children
* queued a resize request. Which means that the allocation
* is not sufficient for the requisition of some child.
* We've already performed a size request at this point,
* so we simply need to run through the list of resize
* widgets and reallocate their sizes appropriately. We
* make the optimization of not performing reallocation
* for a widget who also has a parent in the resize widgets
* list. GTK_RESIZE_NEEDED is used for flagging those
* parents inside this function.
*/
GSList *resize_widgets, *node;
resize_widgets = GTK_CONTAINER (window)->resize_widgets;
GTK_CONTAINER (window)->resize_widgets = NULL;
for (node = resize_widgets; node; node = node->next)
{
child = (GtkWidget *)node->data;
GTK_PRIVATE_UNSET_FLAG (child, GTK_RESIZE_NEEDED);
widget = child->parent;
while (widget &&
((widget->allocation.width < widget->requisition.width) ||
(widget->allocation.height < widget->requisition.height)))
widget = widget->parent;
if (widget)
GTK_PRIVATE_SET_FLAG (widget, GTK_RESIZE_NEEDED);
}
for (node = resize_widgets; node; node = node->next)
{
child = (GtkWidget *)node->data;
resize_container = child->parent;
while (resize_container &&
!GTK_WIDGET_RESIZE_NEEDED (resize_container))
resize_container = resize_container->parent;
if (resize_container)
widget = resize_container->parent;
else
widget = NULL;
while (widget)
{
if (GTK_WIDGET_RESIZE_NEEDED (widget))
{
GTK_PRIVATE_UNSET_FLAG (resize_container, GTK_RESIZE_NEEDED);
resize_container = widget;
}
widget = widget->parent;
}
if (resize_container &&
!g_slist_find (resize_containers, resize_container))
resize_containers = g_slist_prepend (resize_containers,
resize_container);
}
g_slist_free (resize_widgets);
tmp_list = resize_containers;
while (tmp_list)
{
widget = tmp_list->data;
tmp_list = tmp_list->next;
GTK_PRIVATE_UNSET_FLAG (widget, GTK_RESIZE_NEEDED);
gtk_widget_size_allocate (widget, &widget->allocation);
gtk_widget_queue_draw (widget);
}
g_slist_free (resize_containers);
}
return return_val;
}
static gint
gtk_window_move_resize (GtkWidget *widget)
{
GtkWindow *window;
gint x, y;
gint width, height;
gint screen_width;
gint screen_height;
gint return_val;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_WINDOW (widget), FALSE);
return_val = FALSE;
if (GTK_WIDGET_REALIZED (widget))
{
window = GTK_WINDOW (widget);
/* Remember old size, to know if we have to reset hints */
width = widget->requisition.width;
height = widget->requisition.height;
gtk_widget_size_request (widget, &widget->requisition);
if (GTK_WIDGET_MAPPED (widget) &&
(width != widget->requisition.width ||
height != widget->requisition.height))
gtk_window_set_hints (widget, &widget->requisition);
x = -1;
y = -1;
width = widget->requisition.width;
height = widget->requisition.height;
if (window->use_uposition)
switch (window->position)
{
case GTK_WIN_POS_CENTER:
x = (gdk_screen_width () - width) / 2;
y = (gdk_screen_height () - height) / 2;
gtk_widget_set_uposition (widget, x, y);
break;
case GTK_WIN_POS_MOUSE:
gdk_window_get_pointer (NULL, &x, &y, NULL);
x -= width / 2;
y -= height / 2;
screen_width = gdk_screen_width ();
screen_height = gdk_screen_height ();
if (x < 0)
x = 0;
else if (x > (screen_width - width))
x = screen_width - width;
if (y < 0)
y = 0;
else if (y > (screen_height - height))
y = screen_height - height;
gtk_widget_set_uposition (widget, x, y);
break;
}
gtk_signal_emit (GTK_OBJECT (widget), window_signals[MOVE_RESIZE],
&x, &y, width, height, &return_val);
}
return return_val;
}
static void
gtk_real_window_set_focus (GtkWindow *window,
GtkWidget *focus)
{
GdkEventFocus event;
g_return_if_fail (window != NULL);
g_return_if_fail (GTK_IS_WINDOW (window));
if (focus && !GTK_WIDGET_CAN_FOCUS (focus))
return;
if (window->focus_widget != focus)
{
if (window->focus_widget)
{
event.type = GDK_FOCUS_CHANGE;
event.window = window->focus_widget->window;
event.in = FALSE;
gtk_widget_event (window->focus_widget, (GdkEvent*) &event);
}
window->focus_widget = focus;
if (window->focus_widget)
{
event.type = GDK_FOCUS_CHANGE;
event.window = window->focus_widget->window;
event.in = TRUE;
gtk_widget_event (window->focus_widget, (GdkEvent*) &event);
}
}
}
static void
gtk_window_set_hints (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkWindow *window;
GtkWidgetAuxInfo *aux_info;
gint flags;
gint ux, uy;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_WINDOW (widget));
g_return_if_fail (requisition != NULL);
if (GTK_WIDGET_REALIZED (widget))
{
window = GTK_WINDOW (widget);
flags = 0;
ux = 0;
uy = 0;
aux_info = gtk_object_get_data (GTK_OBJECT (widget), "gtk-aux-info");
if (aux_info && (aux_info->x != -1) && (aux_info->y != -1))
{
ux = aux_info->x;
uy = aux_info->y;
flags |= GDK_HINT_POS;
}
if (!window->allow_shrink)
flags |= GDK_HINT_MIN_SIZE;
if (!window->allow_grow)
flags |= GDK_HINT_MAX_SIZE;
gdk_window_set_hints (widget->window, ux, uy,
requisition->width, requisition->height,
requisition->width, requisition->height,
flags);
if (window->use_uposition && (flags & GDK_HINT_POS))
{
window->use_uposition = FALSE;
gdk_window_move (widget->window, ux, uy);
}
}
}
static gint
gtk_window_check_accelerator (GtkWindow *window,
gint key,
guint mods)
{
GtkAcceleratorTable *table;
GList *tmp;
if ((key >= 0x20) && (key <= 0xFF))
{
tmp = window->accelerator_tables;
while (tmp)
{
table = tmp->data;
tmp = tmp->next;
if (gtk_accelerator_table_check (table, key, mods))
return TRUE;
}
if (gtk_accelerator_table_check (NULL, key, mods))
return TRUE;
}
return FALSE;
}
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