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d84b575cd0a4cb411489007687086149c5c670cd
gtk3/gtk/gtkwidget.h
Michael Natterer 40408e74dd Two more getters for flags plus one new property 
More stuff based on patches from Christian Dywan:
- gtk_widget_get_app_paintable()
- gtk_widget_get_double_buffered()
- r/w property "double-buffered"
2009-07-17 21:51:47 +02:00

874 lines
35 KiB
C
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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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* 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/.
*/
#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_WIDGET_H__
#define __GTK_WIDGET_H__
#include <gdk/gdk.h>
#include <gtk/gtkaccelgroup.h>
#include <gtk/gtkobject.h>
#include <gtk/gtkadjustment.h>
#include <gtk/gtkstyle.h>
#include <gtk/gtksettings.h>
#include <atk/atk.h>
G_BEGIN_DECLS
/* The flags that are used by GtkWidget on top of the
* flags field of GtkObject.
*/
typedef enum
{
GTK_TOPLEVEL = 1 << 4,
GTK_NO_WINDOW = 1 << 5,
GTK_REALIZED = 1 << 6,
GTK_MAPPED = 1 << 7,
GTK_VISIBLE = 1 << 8,
GTK_SENSITIVE = 1 << 9,
GTK_PARENT_SENSITIVE = 1 << 10,
GTK_CAN_FOCUS = 1 << 11,
GTK_HAS_FOCUS = 1 << 12,
/* widget is allowed to receive the default via gtk_widget_grab_default
* and will reserve space to draw the default if possible
*/
GTK_CAN_DEFAULT = 1 << 13,
/* the widget currently is receiving the default action and should be drawn
* appropriately if possible
*/
GTK_HAS_DEFAULT = 1 << 14,
GTK_HAS_GRAB = 1 << 15,
GTK_RC_STYLE = 1 << 16,
GTK_COMPOSITE_CHILD = 1 << 17,
GTK_NO_REPARENT = 1 << 18,
GTK_APP_PAINTABLE = 1 << 19,
/* the widget when focused will receive the default action and have
* HAS_DEFAULT set even if there is a different widget set as default
*/
GTK_RECEIVES_DEFAULT = 1 << 20,
GTK_DOUBLE_BUFFERED = 1 << 21,
GTK_NO_SHOW_ALL = 1 << 22
} GtkWidgetFlags;
/* Kinds of widget-specific help */
typedef enum
{
GTK_WIDGET_HELP_TOOLTIP,
GTK_WIDGET_HELP_WHATS_THIS
} GtkWidgetHelpType;
/* 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))
/* Macros for extracting various fields from GtkWidget and GtkWidgetClass.
*/
#define GTK_WIDGET_TYPE(wid) (GTK_OBJECT_TYPE (wid))
#define GTK_WIDGET_STATE(wid) (GTK_WIDGET (wid)->state)
#define GTK_WIDGET_SAVED_STATE(wid) (GTK_WIDGET (wid)->saved_state)
/* Macros for extracting the widget flags from GtkWidget.
*/
#define GTK_WIDGET_FLAGS(wid) (GTK_OBJECT_FLAGS (wid))
#define GTK_WIDGET_TOPLEVEL(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_TOPLEVEL) != 0)
#define GTK_WIDGET_NO_WINDOW(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_NO_WINDOW) != 0)
#define GTK_WIDGET_REALIZED(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_REALIZED) != 0)
#define GTK_WIDGET_MAPPED(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_MAPPED) != 0)
#define GTK_WIDGET_VISIBLE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_VISIBLE) != 0)
#define GTK_WIDGET_DRAWABLE(wid) (GTK_WIDGET_VISIBLE (wid) && GTK_WIDGET_MAPPED (wid))
#define GTK_WIDGET_SENSITIVE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_SENSITIVE) != 0)
#define GTK_WIDGET_PARENT_SENSITIVE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_PARENT_SENSITIVE) != 0)
#define GTK_WIDGET_IS_SENSITIVE(wid) (GTK_WIDGET_SENSITIVE (wid) && \
GTK_WIDGET_PARENT_SENSITIVE (wid))
#define GTK_WIDGET_CAN_FOCUS(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_CAN_FOCUS) != 0)
#define GTK_WIDGET_HAS_FOCUS(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_HAS_FOCUS) != 0)
#define GTK_WIDGET_CAN_DEFAULT(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_CAN_DEFAULT) != 0)
#define GTK_WIDGET_HAS_DEFAULT(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_HAS_DEFAULT) != 0)
#define GTK_WIDGET_HAS_GRAB(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_HAS_GRAB) != 0)
#define GTK_WIDGET_RC_STYLE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_RC_STYLE) != 0)
#define GTK_WIDGET_COMPOSITE_CHILD(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_COMPOSITE_CHILD) != 0)
#define GTK_WIDGET_APP_PAINTABLE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_APP_PAINTABLE) != 0)
#define GTK_WIDGET_RECEIVES_DEFAULT(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_RECEIVES_DEFAULT) != 0)
#define GTK_WIDGET_DOUBLE_BUFFERED(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_DOUBLE_BUFFERED) != 0)
/* Macros for setting and clearing widget flags.
*/
#define GTK_WIDGET_SET_FLAGS(wid,flag) G_STMT_START{ (GTK_WIDGET_FLAGS (wid) |= (flag)); }G_STMT_END
#define GTK_WIDGET_UNSET_FLAGS(wid,flag) G_STMT_START{ (GTK_WIDGET_FLAGS (wid) &= ~(flag)); }G_STMT_END
#define GTK_TYPE_REQUISITION (gtk_requisition_get_type ())
/* forward declaration to avoid excessive includes (and concurrent includes)
*/
typedef struct _GtkRequisition GtkRequisition;
typedef GdkRectangle GtkAllocation;
typedef struct _GtkSelectionData GtkSelectionData;
typedef struct _GtkWidgetClass GtkWidgetClass;
typedef struct _GtkWidgetAuxInfo GtkWidgetAuxInfo;
typedef struct _GtkWidgetShapeInfo GtkWidgetShapeInfo;
typedef struct _GtkClipboard GtkClipboard;
typedef struct _GtkTooltip GtkTooltip;
typedef struct _GtkWindow GtkWindow;
typedef void (*GtkCallback) (GtkWidget *widget,
gpointer data);
/* A requisition is a desired amount of space which a
* widget may request.
*/
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
{
/* The object structure needs to be the first
* element in the widget structure in order for
* the object mechanism to work correctly. This
* allows a GtkWidget pointer to be cast to a
* GtkObject pointer.
*/
GtkObject object;
/* 16 bits of internally used private flags.
* this will be packed into the same 4 byte alignment frame that
* state and saved_state go. we therefore don't waste any new
* space on this.
*/
guint16 GSEAL (private_flags);
/* The state of the widget. There are actually only
* 5 widget states (defined in "gtkenums.h").
*/
guint8 GSEAL (state);
/* The saved state of the widget. When a widget's state
* is changed to GTK_STATE_INSENSITIVE via
* "gtk_widget_set_state" or "gtk_widget_set_sensitive"
* the old state is kept around in this field. The state
* will be restored once the widget gets sensitive again.
*/
guint8 GSEAL (saved_state);
/* The widget's name. If the widget does not have a name
* (the name is NULL), then its name (as returned by
* "gtk_widget_get_name") is its class's name.
* Among other things, the widget name is used to determine
* the style to use for a widget.
*/
gchar *GSEAL (name);
/*< public >*/
/* The style for the widget. The style contains the
* colors the widget should be drawn in for each state
* along with graphics contexts used to draw with and
* the font to use for text.
*/
GtkStyle *GSEAL (style);
/* The widget's desired size.
*/
GtkRequisition GSEAL (requisition);
/* The widget's allocated size.
*/
GtkAllocation GSEAL (allocation);
/* The widget's window or its parent window if it does
* not have a window. (Which will be indicated by the
* GTK_NO_WINDOW flag being set).
*/
GdkWindow *GSEAL (window);
/* The widget's parent.
*/
GtkWidget *GSEAL (parent);
};
struct _GtkWidgetClass
{
/* 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 GtkObjectClass
* pointer.
*/
GtkObjectClass parent_class;
/*< public >*/
guint activate_signal;
guint set_scroll_adjustments_signal;
/*< private >*/
/* seldomly overidden */
void (*dispatch_child_properties_changed) (GtkWidget *widget,
guint n_pspecs,
GParamSpec **pspecs);
/* basics */
void (* show) (GtkWidget *widget);
void (* show_all) (GtkWidget *widget);
void (* hide) (GtkWidget *widget);
void (* hide_all) (GtkWidget *widget);
void (* map) (GtkWidget *widget);
void (* unmap) (GtkWidget *widget);
void (* realize) (GtkWidget *widget);
void (* unrealize) (GtkWidget *widget);
void (* size_request) (GtkWidget *widget,
GtkRequisition *requisition);
void (* size_allocate) (GtkWidget *widget,
GtkAllocation *allocation);
void (* state_changed) (GtkWidget *widget,
GtkStateType previous_state);
void (* parent_set) (GtkWidget *widget,
GtkWidget *previous_parent);
void (* hierarchy_changed) (GtkWidget *widget,
GtkWidget *previous_toplevel);
void (* style_set) (GtkWidget *widget,
GtkStyle *previous_style);
void (* direction_changed) (GtkWidget *widget,
GtkTextDirection previous_direction);
void (* grab_notify) (GtkWidget *widget,
gboolean was_grabbed);
void (* child_notify) (GtkWidget *widget,
GParamSpec *pspec);
/* Mnemonics */
gboolean (* mnemonic_activate) (GtkWidget *widget,
gboolean group_cycling);
/* explicit focus */
void (* grab_focus) (GtkWidget *widget);
gboolean (* focus) (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 (* scroll_event) (GtkWidget *widget,
GdkEventScroll *event);
gboolean (* motion_notify_event) (GtkWidget *widget,
GdkEventMotion *event);
gboolean (* delete_event) (GtkWidget *widget,
GdkEventAny *event);
gboolean (* destroy_event) (GtkWidget *widget,
GdkEventAny *event);
gboolean (* expose_event) (GtkWidget *widget,
GdkEventExpose *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 (* configure_event) (GtkWidget *widget,
GdkEventConfigure *event);
gboolean (* focus_in_event) (GtkWidget *widget,
GdkEventFocus *event);
gboolean (* focus_out_event) (GtkWidget *widget,
GdkEventFocus *event);
gboolean (* map_event) (GtkWidget *widget,
GdkEventAny *event);
gboolean (* unmap_event) (GtkWidget *widget,
GdkEventAny *event);
gboolean (* property_notify_event) (GtkWidget *widget,
GdkEventProperty *event);
gboolean (* selection_clear_event) (GtkWidget *widget,
GdkEventSelection *event);
gboolean (* selection_request_event) (GtkWidget *widget,
GdkEventSelection *event);
gboolean (* selection_notify_event) (GtkWidget *widget,
GdkEventSelection *event);
gboolean (* proximity_in_event) (GtkWidget *widget,
GdkEventProximity *event);
gboolean (* proximity_out_event) (GtkWidget *widget,
GdkEventProximity *event);
gboolean (* visibility_notify_event) (GtkWidget *widget,
GdkEventVisibility *event);
gboolean (* client_event) (GtkWidget *widget,
GdkEventClient *event);
gboolean (* no_expose_event) (GtkWidget *widget,
GdkEventAny *event);
gboolean (* window_state_event) (GtkWidget *widget,
GdkEventWindowState *event);
/* selection */
void (* selection_get) (GtkWidget *widget,
GtkSelectionData *selection_data,
guint info,
guint time_);
void (* selection_received) (GtkWidget *widget,
GtkSelectionData *selection_data,
guint time_);
/* 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 info,
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,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint time_);
/* Signals used only for keybindings */
gboolean (* popup_menu) (GtkWidget *widget);
/* If a widget has multiple tooltips/whatsthis, it should show the
* one for the current focus location, or if that doesn't make
* sense, should cycle through them showing each tip alongside
* whatever piece of the widget it applies to.
*/
gboolean (* show_help) (GtkWidget *widget,
GtkWidgetHelpType help_type);
/* accessibility support
*/
AtkObject* (*get_accessible) (GtkWidget *widget);
void (*screen_changed) (GtkWidget *widget,
GdkScreen *previous_screen);
gboolean (*can_activate_accel) (GtkWidget *widget,
guint signal_id);
/* Sent when a grab is broken. */
gboolean (*grab_broken_event) (GtkWidget *widget,
GdkEventGrabBroken *event);
void (* composited_changed) (GtkWidget *widget);
gboolean (* query_tooltip) (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tooltip,
GtkTooltip *tooltip);
/* Signals without a C default handler class slot:
* gboolean (*damage_event) (GtkWidget *widget,
* GdkEventExpose *event);
*/
/* Padding for future expansion */
void (*_gtk_reserved5) (void);
void (*_gtk_reserved6) (void);
void (*_gtk_reserved7) (void);
};
struct _GtkWidgetAuxInfo
{
gint x;
gint y;
gint width;
gint height;
guint x_set : 1;
guint y_set : 1;
};
struct _GtkWidgetShapeInfo
{
gint16 offset_x;
gint16 offset_y;
GdkBitmap *shape_mask;
};
GType gtk_widget_get_type (void) G_GNUC_CONST;
GtkWidget* gtk_widget_new (GType type,
const gchar *first_property_name,
...);
void gtk_widget_destroy (GtkWidget *widget);
void gtk_widget_destroyed (GtkWidget *widget,
GtkWidget **widget_pointer);
#ifndef GTK_DISABLE_DEPRECATED
GtkWidget* gtk_widget_ref (GtkWidget *widget);
void gtk_widget_unref (GtkWidget *widget);
void gtk_widget_set (GtkWidget *widget,
const gchar *first_property_name,
...) G_GNUC_NULL_TERMINATED;
#endif /* GTK_DISABLE_DEPRECATED */
void gtk_widget_unparent (GtkWidget *widget);
void gtk_widget_show (GtkWidget *widget);
void gtk_widget_show_now (GtkWidget *widget);
void gtk_widget_hide (GtkWidget *widget);
void gtk_widget_show_all (GtkWidget *widget);
void gtk_widget_hide_all (GtkWidget *widget);
void gtk_widget_set_no_show_all (GtkWidget *widget,
gboolean no_show_all);
gboolean gtk_widget_get_no_show_all (GtkWidget *widget);
void gtk_widget_map (GtkWidget *widget);
void gtk_widget_unmap (GtkWidget *widget);
void gtk_widget_realize (GtkWidget *widget);
void gtk_widget_unrealize (GtkWidget *widget);
/* Queuing draws */
void gtk_widget_queue_draw (GtkWidget *widget);
void gtk_widget_queue_draw_area (GtkWidget *widget,
gint x,
gint y,
gint width,
gint height);
#ifndef GTK_DISABLE_DEPRECATED
void gtk_widget_queue_clear (GtkWidget *widget);
void gtk_widget_queue_clear_area (GtkWidget *widget,
gint x,
gint y,
gint width,
gint height);
#endif /* GTK_DISABLE_DEPRECATED */
void gtk_widget_queue_resize (GtkWidget *widget);
void gtk_widget_queue_resize_no_redraw (GtkWidget *widget);
#ifndef GTK_DISABLE_DEPRECATED
void gtk_widget_draw (GtkWidget *widget,
const GdkRectangle *area);
#endif /* GTK_DISABLE_DEPRECATED */
void gtk_widget_size_request (GtkWidget *widget,
GtkRequisition *requisition);
void gtk_widget_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
void gtk_widget_get_child_requisition (GtkWidget *widget,
GtkRequisition *requisition);
void gtk_widget_add_accelerator (GtkWidget *widget,
const gchar *accel_signal,
GtkAccelGroup *accel_group,
guint accel_key,
GdkModifierType accel_mods,
GtkAccelFlags accel_flags);
gboolean gtk_widget_remove_accelerator (GtkWidget *widget,
GtkAccelGroup *accel_group,
guint accel_key,
GdkModifierType accel_mods);
void gtk_widget_set_accel_path (GtkWidget *widget,
const gchar *accel_path,
GtkAccelGroup *accel_group);
const gchar* _gtk_widget_get_accel_path (GtkWidget *widget,
gboolean *locked);
GList* gtk_widget_list_accel_closures (GtkWidget *widget);
gboolean gtk_widget_can_activate_accel (GtkWidget *widget,
guint signal_id);
gboolean gtk_widget_mnemonic_activate (GtkWidget *widget,
gboolean group_cycling);
gboolean gtk_widget_event (GtkWidget *widget,
GdkEvent *event);
gint gtk_widget_send_expose (GtkWidget *widget,
GdkEvent *event);
gboolean gtk_widget_activate (GtkWidget *widget);
gboolean gtk_widget_set_scroll_adjustments (GtkWidget *widget,
GtkAdjustment *hadjustment,
GtkAdjustment *vadjustment);
void gtk_widget_reparent (GtkWidget *widget,
GtkWidget *new_parent);
gboolean gtk_widget_intersect (GtkWidget *widget,
const GdkRectangle *area,
GdkRectangle *intersection);
GdkRegion *gtk_widget_region_intersect (GtkWidget *widget,
const GdkRegion *region);
void gtk_widget_freeze_child_notify (GtkWidget *widget);
void gtk_widget_child_notify (GtkWidget *widget,
const gchar *child_property);
void gtk_widget_thaw_child_notify (GtkWidget *widget);
void gtk_widget_set_can_focus (GtkWidget *widget,
gboolean can_focus);
gboolean gtk_widget_get_can_focus (GtkWidget *widget);
gboolean gtk_widget_has_focus (GtkWidget *widget);
gboolean gtk_widget_is_focus (GtkWidget *widget);
void gtk_widget_grab_focus (GtkWidget *widget);
void gtk_widget_set_can_default (GtkWidget *widget,
gboolean can_default);
gboolean gtk_widget_get_can_default (GtkWidget *widget);
gboolean gtk_widget_has_default (GtkWidget *widget);
void gtk_widget_grab_default (GtkWidget *widget);
void gtk_widget_set_name (GtkWidget *widget,
const gchar *name);
G_CONST_RETURN gchar* gtk_widget_get_name (GtkWidget *widget);
void gtk_widget_set_state (GtkWidget *widget,
GtkStateType state);
GtkStateType gtk_widget_get_state (GtkWidget *widget);
void gtk_widget_set_sensitive (GtkWidget *widget,
gboolean sensitive);
gboolean gtk_widget_get_sensitive (GtkWidget *widget);
gboolean gtk_widget_is_sensitive (GtkWidget *widget);
void gtk_widget_set_has_window (GtkWidget *widget,
gboolean has_window);
gboolean gtk_widget_get_has_window (GtkWidget *widget);
void gtk_widget_set_app_paintable (GtkWidget *widget,
gboolean app_paintable);
gboolean gtk_widget_get_app_paintable (GtkWidget *widget);
void gtk_widget_set_double_buffered (GtkWidget *widget,
gboolean double_buffered);
gboolean gtk_widget_get_double_buffered (GtkWidget *widget);
void gtk_widget_set_redraw_on_allocate (GtkWidget *widget,
gboolean redraw_on_allocate);
void gtk_widget_set_parent (GtkWidget *widget,
GtkWidget *parent);
GtkWidget * gtk_widget_get_parent (GtkWidget *widget);
void gtk_widget_set_parent_window (GtkWidget *widget,
GdkWindow *parent_window);
GdkWindow * gtk_widget_get_parent_window (GtkWidget *widget);
void gtk_widget_set_child_visible (GtkWidget *widget,
gboolean is_visible);
gboolean gtk_widget_get_child_visible (GtkWidget *widget);
GdkWindow* gtk_widget_get_window (GtkWidget *widget);
gboolean gtk_widget_child_focus (GtkWidget *widget,
GtkDirectionType direction);
gboolean gtk_widget_keynav_failed (GtkWidget *widget,
GtkDirectionType direction);
void gtk_widget_error_bell (GtkWidget *widget);
void gtk_widget_set_size_request (GtkWidget *widget,
gint width,
gint height);
void gtk_widget_get_size_request (GtkWidget *widget,
gint *width,
gint *height);
#ifndef GTK_DISABLE_DEPRECATED
void gtk_widget_set_uposition (GtkWidget *widget,
gint x,
gint y);
void gtk_widget_set_usize (GtkWidget *widget,
gint width,
gint height);
#endif
void gtk_widget_set_events (GtkWidget *widget,
gint events);
void gtk_widget_add_events (GtkWidget *widget,
gint events);
void gtk_widget_set_extension_events (GtkWidget *widget,
GdkExtensionMode mode);
GdkExtensionMode gtk_widget_get_extension_events (GtkWidget *widget);
GtkWidget* gtk_widget_get_toplevel (GtkWidget *widget);
GtkWidget* gtk_widget_get_ancestor (GtkWidget *widget,
GType widget_type);
GdkColormap* gtk_widget_get_colormap (GtkWidget *widget);
GdkVisual* gtk_widget_get_visual (GtkWidget *widget);
GdkScreen * gtk_widget_get_screen (GtkWidget *widget);
gboolean gtk_widget_has_screen (GtkWidget *widget);
GdkDisplay * gtk_widget_get_display (GtkWidget *widget);
GdkWindow * gtk_widget_get_root_window (GtkWidget *widget);
GtkSettings* gtk_widget_get_settings (GtkWidget *widget);
GtkClipboard *gtk_widget_get_clipboard (GtkWidget *widget,
GdkAtom selection);
GdkPixmap * gtk_widget_get_snapshot (GtkWidget *widget,
GdkRectangle *clip_rect);
#ifndef GTK_DISABLE_DEPRECATED
#define gtk_widget_set_visual(widget,visual) ((void) 0)
#define gtk_widget_push_visual(visual) ((void) 0)
#define gtk_widget_pop_visual() ((void) 0)
#define gtk_widget_set_default_visual(visual) ((void) 0)
#endif /* GTK_DISABLE_DEPRECATED */
/* Accessibility support */
AtkObject* gtk_widget_get_accessible (GtkWidget *widget);
/* The following functions must not be called on an already
* realized widget. Because it is possible that somebody
* can call get_colormap() or get_visual() and save the
* result, these functions are probably only safe to
* call in a widget's init() function.
*/
void gtk_widget_set_colormap (GtkWidget *widget,
GdkColormap *colormap);
gint gtk_widget_get_events (GtkWidget *widget);
void gtk_widget_get_pointer (GtkWidget *widget,
gint *x,
gint *y);
gboolean gtk_widget_is_ancestor (GtkWidget *widget,
GtkWidget *ancestor);
gboolean gtk_widget_translate_coordinates (GtkWidget *src_widget,
GtkWidget *dest_widget,
gint src_x,
gint src_y,
gint *dest_x,
gint *dest_y);
/* Hide widget and return TRUE.
*/
gboolean gtk_widget_hide_on_delete (GtkWidget *widget);
/* Widget styles.
*/
void gtk_widget_set_style (GtkWidget *widget,
GtkStyle *style);
void gtk_widget_ensure_style (GtkWidget *widget);
GtkStyle* gtk_widget_get_style (GtkWidget *widget);
void gtk_widget_modify_style (GtkWidget *widget,
GtkRcStyle *style);
GtkRcStyle *gtk_widget_get_modifier_style (GtkWidget *widget);
void gtk_widget_modify_fg (GtkWidget *widget,
GtkStateType state,
const GdkColor *color);
void gtk_widget_modify_bg (GtkWidget *widget,
GtkStateType state,
const GdkColor *color);
void gtk_widget_modify_text (GtkWidget *widget,
GtkStateType state,
const GdkColor *color);
void gtk_widget_modify_base (GtkWidget *widget,
GtkStateType state,
const GdkColor *color);
void gtk_widget_modify_cursor (GtkWidget *widget,
const GdkColor *primary,
const GdkColor *secondary);
void gtk_widget_modify_font (GtkWidget *widget,
PangoFontDescription *font_desc);
#ifndef GTK_DISABLE_DEPRECATED
#define gtk_widget_set_rc_style(widget) (gtk_widget_set_style (widget, NULL))
#define gtk_widget_restore_default_style(widget) (gtk_widget_set_style (widget, NULL))
#endif
PangoContext *gtk_widget_create_pango_context (GtkWidget *widget);
PangoContext *gtk_widget_get_pango_context (GtkWidget *widget);
PangoLayout *gtk_widget_create_pango_layout (GtkWidget *widget,
const gchar *text);
GdkPixbuf *gtk_widget_render_icon (GtkWidget *widget,
const gchar *stock_id,
GtkIconSize size,
const gchar *detail);
/* handle composite names for GTK_COMPOSITE_CHILD widgets,
* the returned name is newly allocated.
*/
void gtk_widget_set_composite_name (GtkWidget *widget,
const gchar *name);
gchar* gtk_widget_get_composite_name (GtkWidget *widget);
/* Descend recursively and set rc-style on all widgets without user styles */
void gtk_widget_reset_rc_styles (GtkWidget *widget);
/* Push/pop pairs, to change default values upon a widget's creation.
* This will override the values that got set by the
* gtk_widget_set_default_* () functions.
*/
void gtk_widget_push_colormap (GdkColormap *cmap);
void gtk_widget_push_composite_child (void);
void gtk_widget_pop_composite_child (void);
void gtk_widget_pop_colormap (void);
/* widget style properties
*/
void gtk_widget_class_install_style_property (GtkWidgetClass *klass,
GParamSpec *pspec);
void gtk_widget_class_install_style_property_parser (GtkWidgetClass *klass,
GParamSpec *pspec,
GtkRcPropertyParser parser);
GParamSpec* gtk_widget_class_find_style_property (GtkWidgetClass *klass,
const gchar *property_name);
GParamSpec** gtk_widget_class_list_style_properties (GtkWidgetClass *klass,
guint *n_properties);
void gtk_widget_style_get_property (GtkWidget *widget,
const gchar *property_name,
GValue *value);
void gtk_widget_style_get_valist (GtkWidget *widget,
const gchar *first_property_name,
va_list var_args);
void gtk_widget_style_get (GtkWidget *widget,
const gchar *first_property_name,
...) G_GNUC_NULL_TERMINATED;
/* Set certain default values to be used at widget creation time.
*/
void gtk_widget_set_default_colormap (GdkColormap *colormap);
GtkStyle* gtk_widget_get_default_style (void);
#ifndef GDK_MULTIHEAD_SAFE
GdkColormap* gtk_widget_get_default_colormap (void);
GdkVisual* gtk_widget_get_default_visual (void);
#endif
/* Functions for setting directionality for widgets
*/
void gtk_widget_set_direction (GtkWidget *widget,
GtkTextDirection dir);
GtkTextDirection gtk_widget_get_direction (GtkWidget *widget);
void gtk_widget_set_default_direction (GtkTextDirection dir);
GtkTextDirection gtk_widget_get_default_direction (void);
/* Compositing manager functionality */
gboolean gtk_widget_is_composited (GtkWidget *widget);
/* Counterpart to gdk_window_shape_combine_mask.
*/
void gtk_widget_shape_combine_mask (GtkWidget *widget,
GdkBitmap *shape_mask,
gint offset_x,
gint offset_y);
void gtk_widget_input_shape_combine_mask (GtkWidget *widget,
GdkBitmap *shape_mask,
gint offset_x,
gint offset_y);
/* internal function */
void gtk_widget_reset_shapes (GtkWidget *widget);
/* Compute a widget's path in the form "GtkWindow.MyLabel", and
* return newly alocated strings.
*/
void gtk_widget_path (GtkWidget *widget,
guint *path_length,
gchar **path,
gchar **path_reversed);
void gtk_widget_class_path (GtkWidget *widget,
guint *path_length,
gchar **path,
gchar **path_reversed);
GList* gtk_widget_list_mnemonic_labels (GtkWidget *widget);
void gtk_widget_add_mnemonic_label (GtkWidget *widget,
GtkWidget *label);
void gtk_widget_remove_mnemonic_label (GtkWidget *widget,
GtkWidget *label);
void gtk_widget_set_tooltip_window (GtkWidget *widget,
GtkWindow *custom_window);
GtkWindow *gtk_widget_get_tooltip_window (GtkWidget *widget);
void gtk_widget_trigger_tooltip_query (GtkWidget *widget);
void gtk_widget_set_tooltip_text (GtkWidget *widget,
const gchar *text);
gchar * gtk_widget_get_tooltip_text (GtkWidget *widget);
void gtk_widget_set_tooltip_markup (GtkWidget *widget,
const gchar *markup);
gchar * gtk_widget_get_tooltip_markup (GtkWidget *widget);
void gtk_widget_set_has_tooltip (GtkWidget *widget,
gboolean has_tooltip);
gboolean gtk_widget_get_has_tooltip (GtkWidget *widget);
GType gtk_requisition_get_type (void) G_GNUC_CONST;
GtkRequisition *gtk_requisition_copy (const GtkRequisition *requisition);
void gtk_requisition_free (GtkRequisition *requisition);
#if defined (GTK_TRACE_OBJECTS) && defined (__GNUC__)
# define gtk_widget_ref gtk_object_ref
# define gtk_widget_unref gtk_object_unref
#endif /* GTK_TRACE_OBJECTS && __GNUC__ */
void _gtk_widget_grab_notify (GtkWidget *widget,
gboolean was_grabbed);
GtkWidgetAuxInfo *_gtk_widget_get_aux_info (GtkWidget *widget,
gboolean create);
void _gtk_widget_propagate_hierarchy_changed (GtkWidget *widget,
GtkWidget *previous_toplevel);
void _gtk_widget_propagate_screen_changed (GtkWidget *widget,
GdkScreen *previous_screen);
void _gtk_widget_propagate_composited_changed (GtkWidget *widget);
void _gtk_widget_set_pointer_window (GtkWidget *widget,
GdkWindow *pointer_window);
GdkWindow *_gtk_widget_get_pointer_window (GtkWidget *widget);
gboolean _gtk_widget_is_pointer_widget (GtkWidget *widget);
void _gtk_widget_synthesize_crossing (GtkWidget *from,
GtkWidget *to,
GdkCrossingMode mode);
GdkColormap* _gtk_widget_peek_colormap (void);
void _gtk_widget_buildable_finish_accelerator (GtkWidget *widget,
GtkWidget *toplevel,
gpointer user_data);
G_END_DECLS
#endif /* __GTK_WIDGET_H__ */
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