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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/.
*/
#pragma once
#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/gtkenums.h>
#include <gtk/gtkshortcut.h>
#include <gtk/gtkshortcutaction.h>
#include <gtk/gtktypes.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.
*
* The rectangle representing the area allocated for a widget by its parent.
*/
typedef GdkRectangle GtkAllocation;
/**
* GtkTickCallback:
* @widget: the widget
* @frame_clock: the frame clock for the widget
* @user_data: user data passed to [method@Gtk.Widget.add_tick_callback].
*
* Callback type for adding a function to update animations.
*
* See [method@Gtk.Widget.add_tick_callback].
*
* Returns: `G_SOURCE_CONTINUE` if the tick callback should continue
* to be called, `G_SOURCE_REMOVE` if it should be removed
*/
typedef gboolean (*GtkTickCallback) (GtkWidget *widget,
GdkFrameClock *frame_clock,
gpointer user_data);
/**
* GtkRequisition:
* @width: the widget’s desired width
* @height: the widget’s desired height
*
* Represents the desired size of a widget.
*
* See [GtkWidget’s geometry management section](class.Widget.html#height-for-width-geometry-management)
* for more information.
*/
struct _GtkRequisition
{
int width;
int 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.
* @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
* `GdkSurface`, 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 GdkSurface 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).
* @root: Called when the widget gets added to a `GtkRoot` widget. Must
* chain up
* @unroot: Called when the widget is about to be removed from its
* `GtkRoot` widget. Must chain up
* @size_allocate: Called to set the allocation, if the widget does
* not have a layout manager.
* @state_flags_changed: Signal emitted when the widget state changes,
* see gtk_widget_get_state_flags().
* @direction_changed: Signal emitted when the text direction of a
* widget changes.
* @get_request_mode: Called to get the request mode, if the widget
* does not have a layout manager.
* 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.measure()` called first to get the default width (passing
* a for_size of -1), then again to get the height for said default 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: Called to obtain the minimum and natural size of the widget,
* if the widget does not have a layout manager.
* 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: Vfunc for gtk_widget_child_focus()
* @set_focus_child: Sets the focused child of a widget. Must chain up
* @move_focus: Signal emitted when a change of focus is requested
* @keynav_failed: Signal emitted if keyboard navigation fails.
* @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.
* @css_changed: Vfunc called when the CSS used by widget was changed. Widgets
* should then discard their caches that depend on CSS and queue resizes or
* redraws accordingly. The default implementation will take care of this for
* all the default CSS properties, so implementations must chain up.
* @system_setting_changed: Emitted when a system setting was changed. Must chain up.
* @snapshot: Vfunc called when a new snapshot of the widget has to be taken.
* @contains: Vfunc for gtk_widget_contains().
*/
struct _GtkWidgetClass
{
GInitiallyUnownedClass parent_class;
/*< public >*/
/* basics */
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 (* root) (GtkWidget *widget);
void (* unroot) (GtkWidget *widget);
void (* size_allocate) (GtkWidget *widget,
int width,
int height,
int baseline);
void (* state_flags_changed) (GtkWidget *widget,
GtkStateFlags previous_state_flags);
void (* direction_changed) (GtkWidget *widget,
GtkTextDirection previous_direction);
/* 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 */
gboolean (* grab_focus) (GtkWidget *widget);
gboolean (* focus) (GtkWidget *widget,
GtkDirectionType direction);
void (* set_focus_child) (GtkWidget *widget,
GtkWidget *child);
/* keyboard navigation */
void (* move_focus) (GtkWidget *widget,
GtkDirectionType direction);
gboolean (* keynav_failed) (GtkWidget *widget,
GtkDirectionType direction);
gboolean (* query_tooltip) (GtkWidget *widget,
int x,
int y,
gboolean keyboard_tooltip,
GtkTooltip *tooltip);
void (* compute_expand) (GtkWidget *widget,
gboolean *hexpand_p,
gboolean *vexpand_p);
void (* css_changed) (GtkWidget *widget,
GtkCssStyleChange *change);
void (* system_setting_changed) (GtkWidget *widget,
GtkSystemSetting settings);
void (* snapshot) (GtkWidget *widget,
GtkSnapshot *snapshot);
gboolean (* contains) (GtkWidget *widget,
double x,
double y);
/*< private >*/
GtkWidgetClassPrivate *priv;
gpointer padding[8];
};
GDK_AVAILABLE_IN_ALL
GType gtk_widget_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
void gtk_widget_unparent (GtkWidget *widget);
GDK_DEPRECATED_IN_4_10_FOR(gtk_widget_set_visible or gtk_window_present)
void gtk_widget_show (GtkWidget *widget);
GDK_DEPRECATED_IN_4_10_FOR(gtk_widget_set_visible)
void gtk_widget_hide (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);
/* Queuing draws */
GDK_AVAILABLE_IN_ALL
void gtk_widget_queue_draw (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_queue_resize (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_queue_allocate (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GdkFrameClock* gtk_widget_get_frame_clock (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_size_allocate (GtkWidget *widget,
const GtkAllocation *allocation,
int baseline);
GDK_AVAILABLE_IN_ALL
void gtk_widget_allocate (GtkWidget *widget,
int width,
int height,
int baseline,
GskTransform *transform);
GDK_AVAILABLE_IN_ALL
GtkSizeRequestMode gtk_widget_get_request_mode (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
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_set_layout_manager (GtkWidget *widget,
GtkLayoutManager *layout_manager);
GDK_AVAILABLE_IN_ALL
GtkLayoutManager * gtk_widget_get_layout_manager (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_set_layout_manager_type (GtkWidgetClass *widget_class,
GType type);
GDK_AVAILABLE_IN_ALL
GType gtk_widget_class_get_layout_manager_type (GtkWidgetClass *widget_class);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_add_binding (GtkWidgetClass *widget_class,
guint keyval,
GdkModifierType mods,
GtkShortcutFunc callback,
const char *format_string,
...);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_add_binding_signal
(GtkWidgetClass *widget_class,
guint keyval,
GdkModifierType mods,
const char *signal,
const char *format_string,
...);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_add_binding_action
(GtkWidgetClass *widget_class,
guint keyval,
GdkModifierType mods,
const char *action_name,
const char *format_string,
...);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_add_shortcut (GtkWidgetClass *widget_class,
GtkShortcut *shortcut);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_set_activate_signal (GtkWidgetClass *widget_class,
guint signal_id);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_set_activate_signal_from_name (GtkWidgetClass *widget_class,
const char *signal_name);
GDK_AVAILABLE_IN_ALL
guint gtk_widget_class_get_activate_signal (GtkWidgetClass *widget_class);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_mnemonic_activate (GtkWidget *widget,
gboolean group_cycling);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_activate (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
void gtk_widget_set_focusable (GtkWidget *widget,
gboolean focusable);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_focusable (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_ALL
gboolean gtk_widget_has_visible_focus (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_grab_focus (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_focus_on_click (GtkWidget *widget,
gboolean focus_on_click);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_focus_on_click (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_can_target (GtkWidget *widget,
gboolean can_target);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_can_target (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_has_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
void gtk_widget_set_name (GtkWidget *widget,
const char *name);
GDK_AVAILABLE_IN_ALL
const char * 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
gboolean gtk_widget_is_drawable (GtkWidget *widget);
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
GtkRoot * gtk_widget_get_root (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GtkNative * gtk_widget_get_native (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_child_visible (GtkWidget *widget,
gboolean child_visible);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_get_child_visible (GtkWidget *widget);
GDK_DEPRECATED_IN_4_12_FOR(gtk_widget_get_width)
int gtk_widget_get_allocated_width (GtkWidget *widget);
GDK_DEPRECATED_IN_4_12_FOR(gtk_widget_get_height)
int gtk_widget_get_allocated_height (GtkWidget *widget);
GDK_DEPRECATED_IN_4_12_FOR(gtk_widget_get_baseline)
int gtk_widget_get_allocated_baseline (GtkWidget *widget);
GDK_DEPRECATED_IN_4_12_FOR(gtk_widget_compute_bounds)
void gtk_widget_get_allocation (GtkWidget *widget,
GtkAllocation *allocation);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_compute_transform (GtkWidget *widget,
GtkWidget *target,
graphene_matrix_t *out_transform) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_compute_bounds (GtkWidget *widget,
GtkWidget *target,
graphene_rect_t *out_bounds) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_compute_point (GtkWidget *widget,
GtkWidget *target,
const graphene_point_t *point,
graphene_point_t *out_point) G_GNUC_WARN_UNUSED_RESULT;
GDK_AVAILABLE_IN_ALL
int gtk_widget_get_width (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
int gtk_widget_get_height (GtkWidget *widget);
GDK_AVAILABLE_IN_4_12
int gtk_widget_get_baseline (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
int gtk_widget_get_size (GtkWidget *widget,
GtkOrientation orientation);
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,
int width,
int height);
GDK_AVAILABLE_IN_ALL
void gtk_widget_get_size_request (GtkWidget *widget,
int *width,
int *height);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_opacity (GtkWidget *widget,
double opacity);
GDK_AVAILABLE_IN_ALL
double gtk_widget_get_opacity (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_overflow (GtkWidget *widget,
GtkOverflow overflow);
GDK_AVAILABLE_IN_ALL
GtkOverflow gtk_widget_get_overflow (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_widget_get_ancestor (GtkWidget *widget,
GType widget_type);
GDK_AVAILABLE_IN_ALL
int 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_ALL
GdkClipboard *gtk_widget_get_clipboard (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
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
gboolean gtk_widget_compute_expand (GtkWidget *widget,
GtkOrientation orientation);
/* 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_ALL
int gtk_widget_get_margin_start (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_margin_start (GtkWidget *widget,
int margin);
GDK_AVAILABLE_IN_ALL
int gtk_widget_get_margin_end (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_margin_end (GtkWidget *widget,
int margin);
GDK_AVAILABLE_IN_ALL
int gtk_widget_get_margin_top (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_margin_top (GtkWidget *widget,
int margin);
GDK_AVAILABLE_IN_ALL
int gtk_widget_get_margin_bottom (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_margin_bottom (GtkWidget *widget,
int margin);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_is_ancestor (GtkWidget *widget,
GtkWidget *ancestor);
GDK_DEPRECATED_IN_4_12_FOR(gtk_widget_compute_point)
gboolean gtk_widget_translate_coordinates (GtkWidget *src_widget,
GtkWidget *dest_widget,
double src_x,
double src_y,
double *dest_x,
double *dest_y);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_contains (GtkWidget *widget,
double x,
double y);
GDK_AVAILABLE_IN_ALL
GtkWidget * gtk_widget_pick (GtkWidget *widget,
double x,
double y,
GtkPickFlags flags);
GDK_AVAILABLE_IN_ALL
void gtk_widget_add_controller (GtkWidget *widget,
GtkEventController *controller);
GDK_AVAILABLE_IN_ALL
void gtk_widget_remove_controller (GtkWidget *widget,
GtkEventController *controller);
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_DEPRECATED_IN_4_16
void gtk_widget_set_font_options (GtkWidget *widget,
const cairo_font_options_t *options);
GDK_DEPRECATED_IN_4_16
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 char *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);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_cursor (GtkWidget *widget,
GdkCursor *cursor);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_cursor_from_name (GtkWidget *widget,
const char *name);
GDK_AVAILABLE_IN_ALL
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_trigger_tooltip_query (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_tooltip_text (GtkWidget *widget,
const char *text);
GDK_AVAILABLE_IN_ALL
const char * gtk_widget_get_tooltip_text (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_tooltip_markup (GtkWidget *widget,
const char *markup);
GDK_AVAILABLE_IN_ALL
const char * 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_DEPRECATED_IN_4_10
GtkStyleContext * gtk_widget_get_style_context (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_set_css_name (GtkWidgetClass *widget_class,
const char *name);
GDK_AVAILABLE_IN_ALL
const char * gtk_widget_class_get_css_name (GtkWidgetClass *widget_class);
GDK_AVAILABLE_IN_ALL
guint gtk_widget_add_tick_callback (GtkWidget *widget,
GtkTickCallback callback,
gpointer user_data,
GDestroyNotify notify);
GDK_AVAILABLE_IN_ALL
void gtk_widget_remove_tick_callback (GtkWidget *widget,
guint id);
/**
* gtk_widget_class_bind_template_callback:
* @widget_class: a widget class
* @callback: the callback symbol
*
* Binds a callback function defined in a template to the @widget_class.
*
* This macro is a convenience wrapper around
* [method@Gtk.WidgetClass.bind_template_callback_full]. It is not
* supported after [method@Gtk.WidgetClass.set_template_scope] has been
* called on @widget_class.
*/
#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 widget class
* @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
* [method@Gtk.WidgetClass.bind_template_child_full].
*
* This macro will use the offset of the @member_name inside the @TypeName
* instance structure.
*/
#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 widget class
* @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.
*
* Additionally, the child widget is made available as an internal
* child in `GtkBuilder`, under the name @member_name.
*
* This macro is a convenience wrapper around
* [method@Gtk.WidgetClass.bind_template_child_full].
*
* This macro will use the offset of the @member_name inside the @TypeName
* instance structure.
*/
#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 widget class
* @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
* [method@GtkWidgetClass.bind_template_child_full].
*
* 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())`.
*/
#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 widget class
* @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.
*
* Additionally, the child is made available as an internal child
* in `GtkBuilder`, under the name @member_name.
*
* This macro is a convenience wrapper around
* [method@Gtk.WidgetClass.bind_template_child_full].
*
* This macro will use the offset of the @member_name inside the @TypeName
* private data structure.
*/
#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_ALL
void gtk_widget_init_template (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GObject *gtk_widget_get_template_child (GtkWidget *widget,
GType widget_type,
const char *name);
GDK_AVAILABLE_IN_4_8
void gtk_widget_dispose_template (GtkWidget *widget,
GType widget_type);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_set_template (GtkWidgetClass *widget_class,
GBytes *template_bytes);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_set_template_from_resource (GtkWidgetClass *widget_class,
const char *resource_name);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_bind_template_callback_full (GtkWidgetClass *widget_class,
const char *callback_name,
GCallback callback_symbol);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_set_template_scope (GtkWidgetClass *widget_class,
GtkBuilderScope *scope);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_bind_template_child_full (GtkWidgetClass *widget_class,
const char *name,
gboolean internal_child,
gssize struct_offset);
GDK_AVAILABLE_IN_ALL
void gtk_widget_insert_action_group (GtkWidget *widget,
const char *name,
GActionGroup *group);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_activate_action (GtkWidget *widget,
const char *name,
const char *format_string,
...);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_activate_action_variant (GtkWidget *widget,
const char *name,
GVariant *args);
GDK_AVAILABLE_IN_ALL
void gtk_widget_activate_default (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_font_map (GtkWidget *widget,
PangoFontMap *font_map);
GDK_AVAILABLE_IN_ALL
PangoFontMap * gtk_widget_get_font_map (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GtkWidget * gtk_widget_get_first_child (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GtkWidget * gtk_widget_get_last_child (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GtkWidget * gtk_widget_get_next_sibling (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GtkWidget * gtk_widget_get_prev_sibling (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GListModel * gtk_widget_observe_children (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
GListModel * gtk_widget_observe_controllers (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_insert_after (GtkWidget *widget,
GtkWidget *parent,
GtkWidget *previous_sibling);
GDK_AVAILABLE_IN_ALL
void gtk_widget_insert_before (GtkWidget *widget,
GtkWidget *parent,
GtkWidget *next_sibling);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_focus_child (GtkWidget *widget,
GtkWidget *child);
GDK_AVAILABLE_IN_ALL
GtkWidget * gtk_widget_get_focus_child (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_snapshot_child (GtkWidget *widget,
GtkWidget *child,
GtkSnapshot *snapshot);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_should_layout (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
const char * gtk_widget_get_css_name (GtkWidget *self) G_GNUC_PURE;
GDK_AVAILABLE_IN_ALL
void gtk_widget_add_css_class (GtkWidget *widget,
const char *css_class);
GDK_AVAILABLE_IN_ALL
void gtk_widget_remove_css_class (GtkWidget *widget,
const char *css_class);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_has_css_class (GtkWidget *widget,
const char *css_class);
GDK_AVAILABLE_IN_ALL
char ** gtk_widget_get_css_classes (GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_widget_set_css_classes (GtkWidget *widget,
const char **classes);
GDK_AVAILABLE_IN_4_10
void gtk_widget_get_color (GtkWidget *widget,
GdkRGBA *color);
/**
* GtkWidgetActionActivateFunc:
* @widget: the widget to which the action belongs
* @action_name: the action name
* @parameter: (nullable): parameter for activation
*
* The type of the callback functions used for activating
* actions installed with [method@Gtk.WidgetClass.install_action].
*
* The @parameter must match the @parameter_type of the action.
*/
typedef void (* GtkWidgetActionActivateFunc) (GtkWidget *widget,
const char *action_name,
GVariant *parameter);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_install_action (GtkWidgetClass *widget_class,
const char *action_name,
const char *parameter_type,
GtkWidgetActionActivateFunc activate);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_install_property_action (GtkWidgetClass *widget_class,
const char *action_name,
const char *property_name);
GDK_AVAILABLE_IN_ALL
gboolean gtk_widget_class_query_action (GtkWidgetClass *widget_class,
guint index_,
GType *owner,
const char **action_name,
const GVariantType **parameter_type,
const char **property_name);
GDK_AVAILABLE_IN_ALL
void gtk_widget_action_set_enabled (GtkWidget *widget,
const char *action_name,
gboolean enabled);
GDK_AVAILABLE_IN_ALL
void gtk_widget_class_set_accessible_role (GtkWidgetClass *widget_class,
GtkAccessibleRole accessible_role);
GDK_AVAILABLE_IN_ALL
GtkAccessibleRole gtk_widget_class_get_accessible_role (GtkWidgetClass *widget_class);
GDK_AVAILABLE_IN_4_18
void gtk_widget_set_limit_events (GtkWidget *widget,
gboolean limit_events);
GDK_AVAILABLE_IN_4_18
gboolean gtk_widget_get_limit_events (GtkWidget *widget);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkWidget, g_object_unref)
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkRequisition, gtk_requisition_free)
G_END_DECLS
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