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gtk2/gtk/gtkwidget.h
Owen Taylor f67ae736ee Add private function to get the aux info structure fo the widget. 
Wed Mar 28 20:30:26 2001  Owen Taylor  <otaylor@redhat.com>

	* gtk/gtkwidget.[ch] (_gtk_widget_get_aux_info): Add private function
	to get the aux info structure fo the widget.

	* gtk/gtklabel.c gtk/gtkscrolledwindow.c gtk/gtkwindow.c: Use
	above function.

        [ Patch from  Havoc Pennington  <hp@redhat.com> ]

	* gdk/x11/gdkwindow-x11.c (gdk_window_get_frame_extents): function
	to get the size of the window manager frame, basically the same
	code that gdk_window_get_root_origin() had
	(gdk_window_get_root_origin): use gdk_window_get_frame_extents()

	* gtk/gtkwindow.c (gtk_window_set_default_size): use
	gdk_window_resize() if the window is realized and resizeable

	* gdk/x11/gdkwindow-x11.c (gdk_window_set_geometry_hints): fix
	typo so that setting gravity works

	* gtk/gtkwindow.c (gtk_window_move_resize): don't ever use
	allocation if auto_shrink is on, even if the default size
	has not changed.

	* gtk/gtkwidget.c (gtk_widget_render_icon): remove bogus
	g_return_if_fail
2001-03-29 23:02:30 +00:00

693 lines
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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/.
*/
#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>
#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;
/* 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;
/* 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);
void (* style_set) (GtkWidget *widget,
GtkStyle *previous_style);
void (* direction_changed) (GtkWidget *widget,
GtkTextDirection previous_direction);
/* 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 (* activate_mnemonic) (GtkWidget *widget,
gboolean group_cycling);
/* explicit focus */
void (* grab_focus) (GtkWidget *widget);
/* 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);
/* 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);
void gtk_widget_set (GtkWidget *widget,
const gchar *first_property_name,
...);
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_activate_mnemonic (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);
void gtk_widget_popup (GtkWidget *widget,
gint x,
gint y);
gboolean gtk_widget_intersect (GtkWidget *widget,
GdkRectangle *area,
GdkRectangle *intersection);
GdkRegion *gtk_widget_region_intersect (GtkWidget *widget,
GdkRegion *region);
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);
GdkWindow *gtk_widget_get_parent_window (GtkWidget *widget);
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_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);
/* 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_set_rc_style (GtkWidget *widget);
void gtk_widget_ensure_style (GtkWidget *widget);
GtkStyle* gtk_widget_get_style (GtkWidget *widget);
void gtk_widget_restore_default_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);
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_style (GtkStyle *style);
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_style (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);
#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);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GTK_WIDGET_H__ */
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