gtk2/gtk/gtkwidget.h
Havoc Pennington f37a0627fc fix a typo.
2001-08-07  Havoc Pennington  <hp@pobox.com>

	* gtk/gtkfilesel.c (open_ref_dir): fix a typo.

	* gtk/gtkplug.c (gtk_plug_init): remove setting of auto_shrink;
	some fixage is needed here, but nothing simple. Owen understands
	it. ;-)

        * gtk/gtkwindow.h, gtk/gtkwindow.c: Rework code and API for window
	sizing and positioning.  Also, fix bug in compute_geometry_hints
	(width/height confusion for setting min size).
	(gtk_window_move): new function
	(gtk_window_resize): new function
	(gtk_window_get_size): new function
	(gtk_window_get_position): new function
	(gtk_window_parse_geometry): new function

 	* gtk/gtkwidget.c (gtk_widget_set_size_request): new function
 	(gtk_widget_get_size_request): new function
 	(gtk_widget_get_usize): delete, that was a short-lived function
 	;-)
 	(gtk_widget_set_usize): deprecate
 	(gtk_widget_set_uposition): deprecate, make it a trivial
	gtk_window_move() wrapper
	(gtk_widget_class_init): remove x/y/width/height properties,
	add width_request height_request

        * demos/*: update to avoid deprecated functions

	* gtk/gtklayout.c: add x/y child properties

	* gtk/gtkfixed.c: add x/y child properties, and get rid of
	uses of "gint16"

	* tests/testgtk.c (create_window_sizing): lots of tweaks to window
	sizing test

	* gdk/x11/gdkevents-x11.c (gdk_event_translate): Ensure that
	configure events on toplevel windows are always in root window
	coordinates, following ICCCM spec that all synthetic events
	are in root window coords already, while real events are
	in parent window coords. Previously the code assumed that
	coords of 0,0 were parent window coords, which was
	really broken.

 	* gtk/gtkcontainer.c (gtk_container_get_focus_chain): fix
 	warning

 	* gdk/gdkwindow.h (GdkWindowHints): add GDK_HINT_USER_POS
 	and GDK_HINT_USER_SIZE so we can set USSize and USPosition
 	hints in gtk_window_parse_geometry()

 	* gdk/x11/gdkwindow-x11.c (gdk_window_set_geometry_hints): support
 	new USER_POS USER_SIZE hints
2001-08-10 03:46:08 +00:00

761 lines
29 KiB
C

/* 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/.
*/
#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/atkobject.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* 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
} 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) (GTK_CHECK_CAST ((widget), GTK_TYPE_WIDGET, GtkWidget))
#define GTK_WIDGET_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_WIDGET, GtkWidgetClass))
#define GTK_IS_WIDGET(widget) (GTK_CHECK_TYPE ((widget), GTK_TYPE_WIDGET))
#define GTK_IS_WIDGET_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WIDGET))
#define GTK_WIDGET_GET_CLASS(obj) (GTK_CHECK_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
/* forward declaration to avoid excessive includes (and concurrent includes)
*/
typedef struct _GtkRequisition GtkRequisition;
typedef struct _GdkRectangle GtkAllocation;
typedef struct _GtkSelectionData GtkSelectionData;
typedef struct _GtkWidgetClass GtkWidgetClass;
typedef struct _GtkWidgetAuxInfo GtkWidgetAuxInfo;
typedef struct _GtkWidgetShapeInfo GtkWidgetShapeInfo;
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 private_flags;
/* The state of the widget. There are actually only
* 5 widget states (defined in "gtkenums.h").
*/
guint8 state;
/* The saved state of the widget. When a widgets 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 saved_state;
/* The widgets 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 classes name.
* Among other things, the widget name is used to determine
* the style to use for a widget.
*/
gchar *name;
/* 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 *style;
/* The widgets desired size.
*/
GtkRequisition requisition;
/* The widgets allocated size.
*/
GtkAllocation allocation;
/* The widgets 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 *window;
/* The widgets parent.
*/
GtkWidget *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;
/* The signal to emit when a widget of this class is activated,
* gtk_widget_activate() handles the emission.
* Implementation of this signal is optional.
*/
guint activate_signal;
/* This signal is emitted when a widget of this class is added
* to a scrolling aware parent, gtk_widget_set_scroll_adjustments()
* handles the emission.
* Implementation of this signal is optional.
*/
guint set_scroll_adjustments_signal;
/* 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);
/* accelerators */
void (* add_accelerator) (GtkWidget *widget,
guint accel_signal_id,
GtkAccelGroup *accel_group,
guint accel_key,
GdkModifierType accel_mods,
GtkAccelFlags accel_flags);
void (* remove_accelerator) (GtkWidget *widget,
GtkAccelGroup *accel_group,
guint accel_key,
GdkModifierType accel_mods);
/* 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 */
void (* 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.
*/
void (* show_help) (GtkWidget *widget,
GtkWidgetHelpType help_type);
/* accessibility support
*/
AtkObject* (* get_accessible) (GtkWidget *widget);
/* Padding for future expansion */
GtkFunction pad1;
GtkFunction pad2;
GtkFunction pad3;
GtkFunction pad4;
};
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;
};
GtkType gtk_widget_get_type (void) G_GNUC_CONST;
GtkWidget* gtk_widget_new (GtkType type,
const gchar *first_property_name,
...);
GtkWidget* gtk_widget_ref (GtkWidget *widget);
void gtk_widget_unref (GtkWidget *widget);
void gtk_widget_destroy (GtkWidget *widget);
void gtk_widget_destroyed (GtkWidget *widget,
GtkWidget **widget_pointer);
#ifndef GTK_DISABLE_DEPRECATED
void gtk_widget_set (GtkWidget *widget,
const gchar *first_property_name,
...);
#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_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);
#ifndef GTK_DISABLE_DEPRECATED
void gtk_widget_draw (GtkWidget *widget,
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,
guint accel_mods,
GtkAccelFlags accel_flags);
void gtk_widget_remove_accelerator (GtkWidget *widget,
GtkAccelGroup *accel_group,
guint accel_key,
guint accel_mods);
void gtk_widget_remove_accelerators (GtkWidget *widget,
const gchar *accel_signal,
gboolean visible_only);
guint gtk_widget_accelerator_signal (GtkWidget *widget,
GtkAccelGroup *accel_group,
guint accel_key,
guint accel_mods);
void gtk_widget_lock_accelerators (GtkWidget *widget);
void gtk_widget_unlock_accelerators (GtkWidget *widget);
gboolean gtk_widget_accelerators_locked (GtkWidget *widget);
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,
GdkRectangle *area,
GdkRectangle *intersection);
GdkRegion *gtk_widget_region_intersect (GtkWidget *widget,
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);
gboolean gtk_widget_is_focus (GtkWidget *widget);
void gtk_widget_grab_focus (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);
void gtk_widget_set_sensitive (GtkWidget *widget,
gboolean sensitive);
void gtk_widget_set_app_paintable (GtkWidget *widget,
gboolean app_paintable);
void gtk_widget_set_double_buffered (GtkWidget *widget,
gboolean double_buffered);
void gtk_widget_set_parent (GtkWidget *widget,
GtkWidget *parent);
void gtk_widget_set_parent_window (GtkWidget *widget,
GdkWindow *parent_window);
void gtk_widget_set_child_visible (GtkWidget *widget,
gboolean is_visible);
gboolean gtk_widget_get_child_visible (GtkWidget *widget);
GtkWidget *gtk_widget_get_parent (GtkWidget *widget);
GdkWindow *gtk_widget_get_parent_window (GtkWidget *widget);
gboolean gtk_widget_child_focus (GtkWidget *widget,
GtkDirectionType direction);
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);
void gtk_widget_get_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,
GtkType widget_type);
GdkColormap* gtk_widget_get_colormap (GtkWidget *widget);
GdkVisual* gtk_widget_get_visual (GtkWidget *widget);
GtkSettings* gtk_widget_get_settings (GtkWidget *widget);
/* 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);
/* 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,
GdkColor *color);
void gtk_widget_modify_bg (GtkWidget *widget,
GtkStateType state,
GdkColor *color);
void gtk_widget_modify_text (GtkWidget *widget,
GtkStateType state,
GdkColor *color);
void gtk_widget_modify_base (GtkWidget *widget,
GtkStateType state,
GdkColor *color);
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);
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,
...);
/* Set certain default values to be used at widget creation time.
*/
void gtk_widget_set_default_style (GtkStyle *style);
void gtk_widget_set_default_colormap (GdkColormap *colormap);
GtkStyle* gtk_widget_get_default_style (void);
GdkColormap* gtk_widget_get_default_colormap (void);
GdkVisual* gtk_widget_get_default_visual (void);
/* 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);
/* Counterpart to gdk_window_shape_combine_mask.
*/
void gtk_widget_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);
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__ */
GtkWidgetAuxInfo *_gtk_widget_get_aux_info (GtkWidget *widget,
gboolean create);
void _gtk_widget_propagate_hierarchy_changed (GtkWidget *widget,
GtkWidget *previous_toplevel);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GTK_WIDGET_H__ */