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gtk2/gtk/gtkwidget.h
Matthias Clasen a9d468a4c8 Drop ::configure-event 
This signal is unused in GTK+ and configure events are handled
internally by GtkWindow.

If you need to catch configure events, the generic ::event
signal still works.
2018-01-16 14:14:10 -05:00

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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/.
*/
#ifndef __GTK_WIDGET_H__
#define __GTK_WIDGET_H__
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gdk/gdk.h>
#include <gsk/gsk.h>
#include <gtk/gtkaccelgroup.h>
#include <gtk/gtkborder.h>
#include <gtk/gtktypes.h>
#include <atk/atk.h>
G_BEGIN_DECLS
/* Macro for casting a pointer to a GtkWidget or GtkWidgetClass pointer.
* Macros for testing whether widget or klass are of type GTK_TYPE_WIDGET.
*/
#define GTK_TYPE_WIDGET (gtk_widget_get_type ())
#define GTK_WIDGET(widget) (G_TYPE_CHECK_INSTANCE_CAST ((widget), GTK_TYPE_WIDGET, GtkWidget))
#define GTK_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_WIDGET, GtkWidgetClass))
#define GTK_IS_WIDGET(widget) (G_TYPE_CHECK_INSTANCE_TYPE ((widget), GTK_TYPE_WIDGET))
#define GTK_IS_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WIDGET))
#define GTK_WIDGET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WIDGET, GtkWidgetClass))
#define GTK_TYPE_REQUISITION (gtk_requisition_get_type ())
typedef struct _GtkWidgetPrivate GtkWidgetPrivate;
typedef struct _GtkWidgetClass GtkWidgetClass;
typedef struct _GtkWidgetClassPrivate GtkWidgetClassPrivate;
/**
* GtkAllocation:
* @x: the X position of the widget’s area relative to its parents allocation.
* @y: the Y position of the widget’s area relative to its parents allocation.
* @width: the width of the widget’s allocated area.
* @height: the height of the widget’s allocated area.
*
* A #GtkAllocation-struct of a widget represents region
* which has been allocated to the widget by its parent. It is a subregion
* of its parents allocation. See
* [GtkWidget’s geometry management section][geometry-management] for
* more information.
*/
typedef GdkRectangle GtkAllocation;
/**
* GtkCallback:
* @widget: the widget to operate on
* @data: (closure): user-supplied data
*
* The type of the callback functions used for e.g. iterating over
* the children of a container, see gtk_container_foreach().
*/
typedef void (*GtkCallback) (GtkWidget *widget,
gpointer data);
/**
* GtkTickCallback:
* @widget: the widget
* @frame_clock: the frame clock for the widget (same as calling gtk_widget_get_frame_clock())
* @user_data: user data passed to gtk_widget_add_tick_callback().
*
* Callback type for adding a function to update animations. See gtk_widget_add_tick_callback().
*
* Returns: %G_SOURCE_CONTINUE if the tick callback should continue to be called,
* %G_SOURCE_REMOVE if the tick callback should be removed.
*
* Since: 3.8
*/
typedef gboolean (*GtkTickCallback) (GtkWidget *widget,
GdkFrameClock *frame_clock,
gpointer user_data);
/**
* GtkRequisition:
* @width: the widget’s desired width
* @height: the widget’s desired height
*
* A #GtkRequisition-struct represents the desired size of a widget. See
* [GtkWidget’s geometry management section][geometry-management] for
* more information.
*/
struct _GtkRequisition
{
gint width;
gint height;
};
/* The widget is the base of the tree for displayable objects.
* (A displayable object is one which takes up some amount
* of screen real estate). It provides a common base and interface
* which actual widgets must adhere to.
*/
struct _GtkWidget
{
GInitiallyUnowned parent_instance;
/*< private >*/
GtkWidgetPrivate *priv;
};
/**
* GtkWidgetClass:
* @parent_class: The object class structure needs to be the first
* element in the widget class structure in order for the class mechanism
* to work correctly. This allows a GtkWidgetClass pointer to be cast to
* a GObjectClass pointer.
* @activate_signal: The signal to emit when a widget of this class is
* activated, gtk_widget_activate() handles the emission.
* Implementation of this signal is optional.
* @dispatch_child_properties_changed: Seldomly overidden.
* @destroy: Signals that all holders of a reference to the widget
* should release the reference that they hold.
* @show: Signal emitted when widget is shown
* @hide: Signal emitted when widget is hidden.
* @map: Signal emitted when widget is going to be mapped, that is
* when the widget is visible (which is controlled with
* gtk_widget_set_visible()) and all its parents up to the toplevel
* widget are also visible.
* @unmap: Signal emitted when widget is going to be unmapped, which
* means that either it or any of its parents up to the toplevel
* widget have been set as hidden.
* @realize: Signal emitted when widget is associated with a
* #GdkWindow, which means that gtk_widget_realize() has been called or
* the widget has been mapped (that is, it is going to be drawn).
* @unrealize: Signal emitted when the GdkWindow associated with
* widget is destroyed, which means that gtk_widget_unrealize() has
* been called or the widget has been unmapped (that is, it is going
* to be hidden).
* @size_allocate: Signal emitted to get the widget allocation.
* @state_flags_changed: Signal emitted when the widget state changes,
* see gtk_widget_get_state_flags().
* @hierarchy_changed: Signal emitted when the anchored state of a
* widget changes.
* @direction_changed: Signal emitted when the text direction of a
* widget changes.
* @grab_notify: Signal emitted when a widget becomes shadowed by a
* GTK+ grab (not a pointer or keyboard grab) on another widget, or
* when it becomes unshadowed due to a grab being removed.
* @child_notify: Signal emitted for each child property that has
* changed on an object.
* @draw: Signal emitted when a widget is supposed to render itself.
* @get_request_mode: This allows a widget to tell its parent container whether
* it prefers to be allocated in %GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH or
* %GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT mode.
* %GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH means the widget prefers to have
* #GtkWidgetClass.get_preferred_width() called and then
* #GtkWidgetClass.get_preferred_height_for_width().
* %GTK_SIZE_REQUEST_CONSTANT_SIZE disables any height-for-width or
* width-for-height geometry management for said widget and is the
* default return.
* It’s important to note that any widget
* which trades height-for-width or width-for-height must respond properly
* to a for_size value >= -1 passed to #GtkWidgetClass.measure, for both
* possible orientations.
* @measure: This is called by containers to obtain the minimum and natural
* size of the widget. Depending on the orientation parameter, the passed
* for_size can be interpreted as width or height. A widget will never be
* allocated less than its minimum size.
* @mnemonic_activate: Activates the @widget if @group_cycling is
* %FALSE, and just grabs the focus if @group_cycling is %TRUE.
* @grab_focus: Causes @widget to have the keyboard focus for the
* #GtkWindow it’s inside.
* @focus:
* @move_focus: Signal emitted when a change of focus is requested
* @keynav_failed: Signal emitted if keyboard navigation fails.
* @event: The GTK+ main loop will emit three signals for each GDK
* event delivered to a widget: one generic ::event signal, another,
* more specific, signal that matches the type of event delivered
* (e.g. "key-press-event") and finally a generic "event-after"
* signal.
* @button_press_event: Signal will be emitted when a button
* (typically from a mouse) is pressed.
* @button_release_event: Signal will be emitted when a button
* (typically from a mouse) is released.
* @motion_notify_event: Signal emitted when the pointer moves over
* the widget’s #GdkWindow.
* @key_press_event: Signal emitted when a key is pressed.
* @key_release_event: Signal is emitted when a key is released.
* @enter_notify_event: Signal event will be emitted when the pointer
* enters the widget’s window.
* @leave_notify_event: Will be emitted when the pointer leaves the
* widget’s window.
* @focus_in_event: Signal emitted when the keyboard focus enters the
* widget’s window.
* @focus_out_event: Signal emitted when the keyboard focus leaves the
* widget’s window.
* @grab_broken_event: Signal emitted when a pointer or keyboard grab
* on a window belonging to widget gets broken.
* @drag_begin: Signal emitted on the drag source when a drag is
* started.
* @drag_end: Signal emitted on the drag source when a drag is
* finished.
* @drag_data_get: Signal emitted on the drag source when the drop
* site requests the data which is dragged.
* @drag_data_delete: Signal emitted on the drag source when a drag
* with the action %GDK_ACTION_MOVE is successfully completed.
* @drag_leave: Signal emitted on the drop site when the cursor leaves
* the widget.
* @drag_motion: signal emitted on the drop site when the user moves
* the cursor over the widget during a drag.
* @drag_drop: Signal emitted on the drop site when the user drops the
* data onto the widget.
* @drag_data_received: Signal emitted on the drop site when the
* dragged data has been received.
* @drag_failed: Signal emitted on the drag source when a drag has
* failed.
* @popup_menu: Signal emitted whenever a widget should pop up a
* context menu.
* @get_accessible: Returns the accessible object that describes the
* widget to an assistive technology.
* @display_changed: Signal emitted when the #GdkDisplay of a widget has
* changed.
* @can_activate_accel: Signal allows applications and derived widgets
* to override the default GtkWidget handling for determining whether
* an accelerator can be activated.
* @query_tooltip: Signal emitted when “has-tooltip” is %TRUE and the
* hover timeout has expired with the cursor hovering “above”
* widget; or emitted when widget got focus in keyboard mode.
* @compute_expand: Computes whether a container should give this
* widget extra space when possible.
* @style_updated: Signal emitted when the GtkStyleContext of a widget
* is changed.
* @touch_event:
* @snapshot: Signal emitted when a widget is supposed to create a snapshot
* of itself.
*/
struct _GtkWidgetClass
{
GInitiallyUnownedClass parent_class;
/*< public >*/
guint activate_signal;
/* seldomly overidden */
void (*dispatch_child_properties_changed) (GtkWidget *widget,
guint n_pspecs,
GParamSpec **pspecs);
/* basics */
void (* destroy) (GtkWidget *widget);
void (* show) (GtkWidget *widget);
void (* hide) (GtkWidget *widget);
void (* map) (GtkWidget *widget);
void (* unmap) (GtkWidget *widget);
void (* realize) (GtkWidget *widget);
void (* unrealize) (GtkWidget *widget);
void (* size_allocate) (GtkWidget *widget,
const GtkAllocation *allocation,
int baseline,
GtkAllocation *out_clip);
void (* state_flags_changed) (GtkWidget *widget,
GtkStateFlags previous_state_flags);
void (* hierarchy_changed) (GtkWidget *widget,
GtkWidget *previous_toplevel);
void (* direction_changed) (GtkWidget *widget,
GtkTextDirection previous_direction);
void (* grab_notify) (GtkWidget *widget,
gboolean was_grabbed);
void (* child_notify) (GtkWidget *widget,
GParamSpec *child_property);
gboolean (* draw) (GtkWidget *widget,
cairo_t *cr);
/* size requests */
GtkSizeRequestMode (* get_request_mode) (GtkWidget *widget);
void (* measure) (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline);
/* Mnemonics */
gboolean (* mnemonic_activate) (GtkWidget *widget,
gboolean group_cycling);
/* explicit focus */
void (* grab_focus) (GtkWidget *widget);
gboolean (* focus) (GtkWidget *widget,
GtkDirectionType direction);
/* keyboard navigation */
void (* move_focus) (GtkWidget *widget,
GtkDirectionType direction);
gboolean (* keynav_failed) (GtkWidget *widget,
GtkDirectionType direction);
/* events */
gboolean (* event) (GtkWidget *widget,
GdkEvent *event);
gboolean (* button_press_event) (GtkWidget *widget,
GdkEventButton *event);
gboolean (* button_release_event) (GtkWidget *widget,
GdkEventButton *event);
gboolean (* motion_notify_event) (GtkWidget *widget,
GdkEventMotion *event);
gboolean (* key_press_event) (GtkWidget *widget,
GdkEventKey *event);
gboolean (* key_release_event) (GtkWidget *widget,
GdkEventKey *event);
gboolean (* enter_notify_event) (GtkWidget *widget,
GdkEventCrossing *event);
gboolean (* leave_notify_event) (GtkWidget *widget,
GdkEventCrossing *event);
gboolean (* focus_in_event) (GtkWidget *widget,
GdkEventFocus *event);
gboolean (* focus_out_event) (GtkWidget *widget,
GdkEventFocus *event);
gboolean (* grab_broken_event) (GtkWidget *widget,
GdkEventGrabBroken *event);
/* Source side drag signals */
void (* drag_begin) (GtkWidget *widget,
GdkDragContext *context);
void (* drag_end) (GtkWidget *widget,
GdkDragContext *context);
void (* drag_data_get) (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection_data,
guint time_);
void (* drag_data_delete) (GtkWidget *widget,
GdkDragContext *context);
/* Target side drag signals */
void (* drag_leave) (GtkWidget *widget,
GdkDragContext *context,
guint time_);
gboolean (* drag_motion) (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time_);
gboolean (* drag_drop) (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time_);
void (* drag_data_received) (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection_data,
guint time_);
gboolean (* drag_failed) (GtkWidget *widget,
GdkDragContext *context,
GtkDragResult result);
/* Signals used only for keybindings */
gboolean (* popup_menu) (GtkWidget *widget);
/* accessibility support
*/
AtkObject * (* get_accessible) (GtkWidget *widget);
void (* display_changed) (GtkWidget *widget,
GdkDisplay *previous_display);
gboolean (* can_activate_accel) (GtkWidget *widget,
guint signal_id);
gboolean (* query_tooltip) (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tooltip,
GtkTooltip *tooltip);
void (* compute_expand) (GtkWidget *widget,
gboolean *hexpand_p,
gboolean *vexpand_p);
void (* style_updated) (GtkWidget *widget);
void (* snapshot) (GtkWidget *widget,
GtkSnapshot *snapshot);
gboolean (* contains) (GtkWidget *widget,
gdouble x,
gdouble y);
GtkWidget * (* pick) (GtkWidget *widget,
gdouble x,
gdouble y);
/*< private >*/
GtkWidgetClassPrivate *priv;
/* Padding for future expansion */
void (*_gtk_reserved7) (void);
};
GDK_AVAILABLE_IN_ALL
GType gtk_widget_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_widget_new (GType type,
const gchar *first_property_name,
...);
GDK_AVAILABLE_IN_ALL
void gtk_widget_destroy (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_destroyed (GtkWidget *widget,
GtkWidget **widget_pointer);
GDK_AVAILABLE_IN_ALL
void gtk_widget_unparent (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_show (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_hide (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_show_now (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_map (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_unmap (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_realize (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_unrealize (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_draw (GtkWidget *widget,
cairo_t *cr);
/* Queuing draws */
GDK_AVAILABLE_IN_ALL
void gtk_widget_queue_draw (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_queue_draw_area (GtkWidget *widget,
gint x,
gint y,
gint width,
gint height);
GDK_AVAILABLE_IN_ALL
void gtk_widget_queue_draw_region (GtkWidget *widget,
const cairo_region_t*region);
GDK_AVAILABLE_IN_ALL
void gtk_widget_queue_resize (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_queue_resize_no_redraw (GtkWidget *widget);
GDK_AVAILABLE_IN_3_20
void gtk_widget_queue_allocate (GtkWidget *widget);
GDK_AVAILABLE_IN_3_8
GdkFrameClock* gtk_widget_get_frame_clock (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_size_allocate (GtkWidget *widget,
const GtkAllocation *allocation,
int baseline,
GtkAllocation *out_clip);
GDK_AVAILABLE_IN_ALL
GtkSizeRequestMode gtk_widget_get_request_mode (GtkWidget *widget);
GDK_AVAILABLE_IN_3_90
void gtk_widget_measure (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline);
GDK_AVAILABLE_IN_ALL
void gtk_widget_get_preferred_size (GtkWidget *widget,
GtkRequisition *minimum_size,
GtkRequisition *natural_size);
GDK_AVAILABLE_IN_ALL
void gtk_widget_add_accelerator (GtkWidget *widget,
const gchar *accel_signal,
GtkAccelGroup *accel_group,
guint accel_key,
GdkModifierType accel_mods,
GtkAccelFlags accel_flags);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_remove_accelerator (GtkWidget *widget,
GtkAccelGroup *accel_group,
guint accel_key,
GdkModifierType accel_mods);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_accel_path (GtkWidget *widget,
const gchar *accel_path,
GtkAccelGroup *accel_group);
GDK_AVAILABLE_IN_ALL
GList* gtk_widget_list_accel_closures (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_can_activate_accel (GtkWidget *widget,
guint signal_id);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_mnemonic_activate (GtkWidget *widget,
gboolean group_cycling);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_event (GtkWidget *widget,
const GdkEvent *event);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_send_focus_change (GtkWidget *widget,
GdkEvent *event);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_activate (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_intersect (GtkWidget *widget,
const GdkRectangle *area,
GdkRectangle *intersection);
GDK_AVAILABLE_IN_ALL
void gtk_widget_freeze_child_notify (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_child_notify (GtkWidget *widget,
const gchar *child_property);
GDK_AVAILABLE_IN_ALL
void gtk_widget_thaw_child_notify (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_can_focus (GtkWidget *widget,
gboolean can_focus);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_can_focus (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_has_focus (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_is_focus (GtkWidget *widget);
GDK_AVAILABLE_IN_3_2
gboolean gtk_widget_has_visible_focus (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_grab_focus (GtkWidget *widget);
GDK_AVAILABLE_IN_3_20
void gtk_widget_set_focus_on_click (GtkWidget *widget,
gboolean focus_on_click);
GDK_AVAILABLE_IN_3_20
gboolean gtk_widget_get_focus_on_click (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_can_default (GtkWidget *widget,
gboolean can_default);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_can_default (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_has_default (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_grab_default (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_receives_default (GtkWidget *widget,
gboolean receives_default);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_receives_default (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_has_grab (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_device_is_shadowed (GtkWidget *widget,
GdkDevice *device);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_name (GtkWidget *widget,
const gchar *name);
GDK_AVAILABLE_IN_ALL
const gchar * gtk_widget_get_name (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_state_flags (GtkWidget *widget,
GtkStateFlags flags,
gboolean clear);
GDK_AVAILABLE_IN_ALL
void gtk_widget_unset_state_flags (GtkWidget *widget,
GtkStateFlags flags);
GDK_AVAILABLE_IN_ALL
GtkStateFlags gtk_widget_get_state_flags (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_sensitive (GtkWidget *widget,
gboolean sensitive);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_sensitive (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_is_sensitive (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_visible (GtkWidget *widget,
gboolean visible);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_visible (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_is_visible (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_has_window (GtkWidget *widget,
gboolean has_window);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_has_window (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_is_toplevel (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_is_drawable (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_realized (GtkWidget *widget,
gboolean realized);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_realized (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_mapped (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_parent (GtkWidget *widget,
GtkWidget *parent);
GDK_AVAILABLE_IN_ALL
GtkWidget * gtk_widget_get_parent (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_parent_window (GtkWidget *widget,
GdkWindow *parent_window);
GDK_AVAILABLE_IN_ALL
GdkWindow * gtk_widget_get_parent_window (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_child_visible (GtkWidget *widget,
gboolean is_visible);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_child_visible (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_window (GtkWidget *widget,
GdkWindow *window);
GDK_AVAILABLE_IN_ALL
GdkWindow * gtk_widget_get_window (GtkWidget *widget);
GDK_AVAILABLE_IN_3_8
void gtk_widget_register_window (GtkWidget *widget,
GdkWindow *window);
GDK_AVAILABLE_IN_3_8
void gtk_widget_unregister_window (GtkWidget *widget,
GdkWindow *window);
GDK_AVAILABLE_IN_ALL
int gtk_widget_get_allocated_width (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
int gtk_widget_get_allocated_height (GtkWidget *widget);
GDK_AVAILABLE_IN_3_10
int gtk_widget_get_allocated_baseline (GtkWidget *widget);
GDK_AVAILABLE_IN_3_20
void gtk_widget_get_allocated_size (GtkWidget *widget,
GtkAllocation *allocation,
int *baseline);
GDK_AVAILABLE_IN_ALL
void gtk_widget_get_allocation (GtkWidget *widget,
GtkAllocation *allocation);
GDK_AVAILABLE_IN_3_94
int gtk_widget_get_width (GtkWidget *widget);
GDK_AVAILABLE_IN_3_94
int gtk_widget_get_height (GtkWidget *widget);
GDK_AVAILABLE_IN_3_14
void gtk_widget_get_clip (GtkWidget *widget,
GtkAllocation *clip);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_child_focus (GtkWidget *widget,
GtkDirectionType direction);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_keynav_failed (GtkWidget *widget,
GtkDirectionType direction);
GDK_AVAILABLE_IN_ALL
void gtk_widget_error_bell (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_size_request (GtkWidget *widget,
gint width,
gint height);
GDK_AVAILABLE_IN_ALL
void gtk_widget_get_size_request (GtkWidget *widget,
gint *width,
gint *height);
GDK_AVAILABLE_IN_3_8
void gtk_widget_set_opacity (GtkWidget *widget,
double opacity);
GDK_AVAILABLE_IN_3_8
double gtk_widget_get_opacity (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_widget_get_toplevel (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_widget_get_ancestor (GtkWidget *widget,
GType widget_type);
GDK_AVAILABLE_IN_3_10
gint gtk_widget_get_scale_factor (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GdkDisplay * gtk_widget_get_display (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GtkSettings* gtk_widget_get_settings (GtkWidget *widget);
GDK_AVAILABLE_IN_3_94
GdkClipboard *gtk_widget_get_clipboard (GtkWidget *widget);
GDK_AVAILABLE_IN_3_94
GdkClipboard *gtk_widget_get_primary_clipboard (GtkWidget *widget);
/* Expand flags and related support */
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_hexpand (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_hexpand (GtkWidget *widget,
gboolean expand);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_hexpand_set (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_hexpand_set (GtkWidget *widget,
gboolean set);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_vexpand (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_vexpand (GtkWidget *widget,
gboolean expand);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_vexpand_set (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_vexpand_set (GtkWidget *widget,
gboolean set);
GDK_AVAILABLE_IN_ALL
void gtk_widget_queue_compute_expand (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_compute_expand (GtkWidget *widget,
GtkOrientation orientation);
/* Multidevice support */
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_support_multidevice (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_support_multidevice (GtkWidget *widget,
gboolean support_multidevice);
/* Accessibility support */
GDK_AVAILABLE_IN_3_2
void gtk_widget_class_set_accessible_type (GtkWidgetClass *widget_class,
GType type);
GDK_AVAILABLE_IN_3_2
void gtk_widget_class_set_accessible_role (GtkWidgetClass *widget_class,
AtkRole role);
GDK_AVAILABLE_IN_ALL
AtkObject* gtk_widget_get_accessible (GtkWidget *widget);
/* Margin and alignment */
GDK_AVAILABLE_IN_ALL
GtkAlign gtk_widget_get_halign (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_halign (GtkWidget *widget,
GtkAlign align);
GDK_AVAILABLE_IN_ALL
GtkAlign gtk_widget_get_valign (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_valign (GtkWidget *widget,
GtkAlign align);
GDK_AVAILABLE_IN_3_12
gint gtk_widget_get_margin_start (GtkWidget *widget);
GDK_AVAILABLE_IN_3_12
void gtk_widget_set_margin_start (GtkWidget *widget,
gint margin);
GDK_AVAILABLE_IN_3_12
gint gtk_widget_get_margin_end (GtkWidget *widget);
GDK_AVAILABLE_IN_3_12
void gtk_widget_set_margin_end (GtkWidget *widget,
gint margin);
GDK_AVAILABLE_IN_ALL
gint gtk_widget_get_margin_top (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_margin_top (GtkWidget *widget,
gint margin);
GDK_AVAILABLE_IN_ALL
gint gtk_widget_get_margin_bottom (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_margin_bottom (GtkWidget *widget,
gint margin);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_is_ancestor (GtkWidget *widget,
GtkWidget *ancestor);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_translate_coordinates (GtkWidget *src_widget,
GtkWidget *dest_widget,
gint src_x,
gint src_y,
gint *dest_x,
gint *dest_y);
GDK_AVAILABLE_IN_3_94
gboolean gtk_widget_contains (GtkWidget *widget,
gdouble x,
gdouble y);
GDK_AVAILABLE_IN_3_94
GtkWidget * gtk_widget_pick (GtkWidget *widget,
gdouble x,
gdouble y);
/* Hide widget and return TRUE.
*/
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_hide_on_delete (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_reset_style (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
PangoContext *gtk_widget_create_pango_context (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
PangoContext *gtk_widget_get_pango_context (GtkWidget *widget);
GDK_AVAILABLE_IN_3_18
void gtk_widget_set_font_options (GtkWidget *widget,
const cairo_font_options_t *options);
GDK_AVAILABLE_IN_3_18
const cairo_font_options_t *gtk_widget_get_font_options (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
PangoLayout *gtk_widget_create_pango_layout (GtkWidget *widget,
const gchar *text);
/* Functions for setting directionality for widgets */
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_direction (GtkWidget *widget,
GtkTextDirection dir);
GDK_AVAILABLE_IN_ALL
GtkTextDirection gtk_widget_get_direction (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_default_direction (GtkTextDirection dir);
GDK_AVAILABLE_IN_ALL
GtkTextDirection gtk_widget_get_default_direction (void);
/* Counterpart to gdk_window_shape_combine_region.
*/
GDK_AVAILABLE_IN_ALL
void gtk_widget_shape_combine_region (GtkWidget *widget,
cairo_region_t *region);
GDK_AVAILABLE_IN_ALL
void gtk_widget_input_shape_combine_region (GtkWidget *widget,
cairo_region_t *region);
GDK_AVAILABLE_IN_3_94
void gtk_widget_set_cursor (GtkWidget *widget,
GdkCursor *cursor);
GDK_AVAILABLE_IN_3_94
void gtk_widget_set_cursor_from_name (GtkWidget *widget,
const char *name);
GDK_AVAILABLE_IN_3_94
GdkCursor * gtk_widget_get_cursor (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GList* gtk_widget_list_mnemonic_labels (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_add_mnemonic_label (GtkWidget *widget,
GtkWidget *label);
GDK_AVAILABLE_IN_ALL
void gtk_widget_remove_mnemonic_label (GtkWidget *widget,
GtkWidget *label);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_tooltip_window (GtkWidget *widget,
GtkWindow *custom_window);
GDK_AVAILABLE_IN_ALL
GtkWindow *gtk_widget_get_tooltip_window (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_trigger_tooltip_query (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_tooltip_text (GtkWidget *widget,
const gchar *text);
GDK_AVAILABLE_IN_ALL
gchar * gtk_widget_get_tooltip_text (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_tooltip_markup (GtkWidget *widget,
const gchar *markup);
GDK_AVAILABLE_IN_ALL
gchar * gtk_widget_get_tooltip_markup (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_has_tooltip (GtkWidget *widget,
gboolean has_tooltip);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_has_tooltip (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GType gtk_requisition_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkRequisition *gtk_requisition_new (void) G_GNUC_MALLOC;
GDK_AVAILABLE_IN_ALL
GtkRequisition *gtk_requisition_copy (const GtkRequisition *requisition);
GDK_AVAILABLE_IN_ALL
void gtk_requisition_free (GtkRequisition *requisition);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_in_destruction (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GtkStyleContext * gtk_widget_get_style_context (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GtkWidgetPath * gtk_widget_get_path (GtkWidget *widget);
GDK_AVAILABLE_IN_3_20
void gtk_widget_class_set_css_name (GtkWidgetClass *widget_class,
const char *name);
GDK_AVAILABLE_IN_3_20
const char * gtk_widget_class_get_css_name (GtkWidgetClass *widget_class);
GDK_AVAILABLE_IN_3_4
GdkModifierType gtk_widget_get_modifier_mask (GtkWidget *widget,
GdkModifierIntent intent);
GDK_AVAILABLE_IN_3_6
void gtk_widget_insert_action_group (GtkWidget *widget,
const gchar *name,
GActionGroup *group);
GDK_AVAILABLE_IN_3_8
guint gtk_widget_add_tick_callback (GtkWidget *widget,
GtkTickCallback callback,
gpointer user_data,
GDestroyNotify notify);
GDK_AVAILABLE_IN_3_8
void gtk_widget_remove_tick_callback (GtkWidget *widget,
guint id);
/**
* gtk_widget_class_bind_template_callback:
* @widget_class: a #GtkWidgetClass
* @callback: the callback symbol
*
* Binds a callback function defined in a template to the @widget_class.
*
* This macro is a convenience wrapper around the
* gtk_widget_class_bind_template_callback_full() function.
*
* Since: 3.10
*/
#define gtk_widget_class_bind_template_callback(widget_class, callback) \
gtk_widget_class_bind_template_callback_full (GTK_WIDGET_CLASS (widget_class), \
#callback, \
G_CALLBACK (callback))
/**
* gtk_widget_class_bind_template_child:
* @widget_class: a #GtkWidgetClass
* @TypeName: the type name of this widget
* @member_name: name of the instance member in the instance struct for @data_type
*
* Binds a child widget defined in a template to the @widget_class.
*
* This macro is a convenience wrapper around the
* gtk_widget_class_bind_template_child_full() function.
*
* This macro will use the offset of the @member_name inside the @TypeName
* instance structure.
*
* Since: 3.10
*/
#define gtk_widget_class_bind_template_child(widget_class, TypeName, member_name) \
gtk_widget_class_bind_template_child_full (widget_class, \
#member_name, \
FALSE, \
G_STRUCT_OFFSET (TypeName, member_name))
/**
* gtk_widget_class_bind_template_child_internal:
* @widget_class: a #GtkWidgetClass
* @TypeName: the type name, in CamelCase
* @member_name: name of the instance member in the instance struct for @data_type
*
* Binds a child widget defined in a template to the @widget_class, and
* also makes it available as an internal child in GtkBuilder, under the
* name @member_name.
*
* This macro is a convenience wrapper around the
* gtk_widget_class_bind_template_child_full() function.
*
* This macro will use the offset of the @member_name inside the @TypeName
* instance structure.
*
* Since: 3.10
*/
#define gtk_widget_class_bind_template_child_internal(widget_class, TypeName, member_name) \
gtk_widget_class_bind_template_child_full (widget_class, \
#member_name, \
TRUE, \
G_STRUCT_OFFSET (TypeName, member_name))
/**
* gtk_widget_class_bind_template_child_private:
* @widget_class: a #GtkWidgetClass
* @TypeName: the type name of this widget
* @member_name: name of the instance private member in the private struct for @data_type
*
* Binds a child widget defined in a template to the @widget_class.
*
* This macro is a convenience wrapper around the
* gtk_widget_class_bind_template_child_full() function.
*
* This macro will use the offset of the @member_name inside the @TypeName
* private data structure (it uses G_PRIVATE_OFFSET(), so the private struct
* must be added with G_ADD_PRIVATE()).
*
* Since: 3.10
*/
#define gtk_widget_class_bind_template_child_private(widget_class, TypeName, member_name) \
gtk_widget_class_bind_template_child_full (widget_class, \
#member_name, \
FALSE, \
G_PRIVATE_OFFSET (TypeName, member_name))
/**
* gtk_widget_class_bind_template_child_internal_private:
* @widget_class: a #GtkWidgetClass
* @TypeName: the type name, in CamelCase
* @member_name: name of the instance private member on the private struct for @data_type
*
* Binds a child widget defined in a template to the @widget_class, and
* also makes it available as an internal child in GtkBuilder, under the
* name @member_name.
*
* This macro is a convenience wrapper around the
* gtk_widget_class_bind_template_child_full() function.
*
* This macro will use the offset of the @member_name inside the @TypeName
* private data structure.
*
* Since: 3.10
*/
#define gtk_widget_class_bind_template_child_internal_private(widget_class, TypeName, member_name) \
gtk_widget_class_bind_template_child_full (widget_class, \
#member_name, \
TRUE, \
G_PRIVATE_OFFSET (TypeName, member_name))
GDK_AVAILABLE_IN_3_10
void gtk_widget_init_template (GtkWidget *widget);
GDK_AVAILABLE_IN_3_10
GObject *gtk_widget_get_template_child (GtkWidget *widget,
GType widget_type,
const gchar *name);
GDK_AVAILABLE_IN_3_10
void gtk_widget_class_set_template (GtkWidgetClass *widget_class,
GBytes *template_bytes);
GDK_AVAILABLE_IN_3_10
void gtk_widget_class_set_template_from_resource (GtkWidgetClass *widget_class,
const gchar *resource_name);
GDK_AVAILABLE_IN_3_10
void gtk_widget_class_bind_template_callback_full (GtkWidgetClass *widget_class,
const gchar *callback_name,
GCallback callback_symbol);
GDK_AVAILABLE_IN_3_10
void gtk_widget_class_set_connect_func (GtkWidgetClass *widget_class,
GtkBuilderConnectFunc connect_func,
gpointer connect_data,
GDestroyNotify connect_data_destroy);
GDK_AVAILABLE_IN_3_10
void gtk_widget_class_bind_template_child_full (GtkWidgetClass *widget_class,
const gchar *name,
gboolean internal_child,
gssize struct_offset);
GDK_AVAILABLE_IN_3_16
GActionGroup *gtk_widget_get_action_group (GtkWidget *widget,
const gchar *prefix);
GDK_AVAILABLE_IN_3_16
const gchar ** gtk_widget_list_action_prefixes (GtkWidget *widget);
GDK_AVAILABLE_IN_3_18
void gtk_widget_set_font_map (GtkWidget *widget,
PangoFontMap *font_map);
GDK_AVAILABLE_IN_3_18
PangoFontMap * gtk_widget_get_font_map (GtkWidget *widget);
GDK_AVAILABLE_IN_3_90
GtkWidget * gtk_widget_get_first_child (GtkWidget *widget);
GDK_AVAILABLE_IN_3_90
GtkWidget * gtk_widget_get_last_child (GtkWidget *widget);
GDK_AVAILABLE_IN_3_90
GtkWidget * gtk_widget_get_next_sibling (GtkWidget *widget);
GDK_AVAILABLE_IN_3_90
GtkWidget * gtk_widget_get_prev_sibling (GtkWidget *widget);
GDK_AVAILABLE_IN_3_92
void gtk_widget_insert_after (GtkWidget *widget,
GtkWidget *parent,
GtkWidget *previous_sibling);
GDK_AVAILABLE_IN_3_92
void gtk_widget_insert_before (GtkWidget *widget,
GtkWidget *parent,
GtkWidget *next_sibling);
GDK_AVAILABLE_IN_3_90
void gtk_widget_set_focus_child (GtkWidget *widget,
GtkWidget *child);
GDK_AVAILABLE_IN_3_90
void gtk_widget_snapshot_child (GtkWidget *widget,
GtkWidget *child,
GtkSnapshot *snapshot);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkWidget, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkRequisition, gtk_requisition_free)
G_END_DECLS
#endif /* __GTK_WIDGET_H__ */
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