gtkwidget.h

gtk是linux一款强大的夸平台的图形化开发工具

  gint (* selection_clear_event)   (GtkWidget	       *widget,
				    GdkEventSelection  *event);
  gint (* selection_request_event) (GtkWidget	       *widget,
				    GdkEventSelection  *event);
  gint (* selection_notify_event)  (GtkWidget	       *widget,
				    GdkEventSelection  *event);
  gint (* proximity_in_event)	   (GtkWidget	       *widget,
				    GdkEventProximity  *event);
  gint (* proximity_out_event)	   (GtkWidget	       *widget,
				    GdkEventProximity  *event);
  gint (* visibility_notify_event)  (GtkWidget	       *widget,
				     GdkEventVisibility *event);
  gint (* client_event)		   (GtkWidget	       *widget,
				    GdkEventClient     *event);
  gint (* no_expose_event)	   (GtkWidget	       *widget,
				    GdkEventAny	       *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);
  
  /* action signals */
  void (* debug_msg)		   (GtkWidget	       *widget,
				    const gchar	       *string);

  /* Padding for future expandsion */
  GtkFunction pad1;
  GtkFunction pad2;
  GtkFunction pad3;
  GtkFunction pad4;
};

struct _GtkWidgetAuxInfo
{
  gint16  x;
  gint16  y;
  gint16 width;
  gint16 height;
};

struct _GtkWidgetShapeInfo
{
  gint16     offset_x;
  gint16     offset_y;
  GdkBitmap *shape_mask;
};


GtkType	   gtk_widget_get_type		  (void);
GtkWidget* gtk_widget_new		  (GtkType		type,
					   const gchar	       *first_arg_name,
					   ...);
GtkWidget* gtk_widget_newv		  (GtkType		type,
					   guint		nargs,
					   GtkArg	       *args);
void	   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_get		  (GtkWidget	       *widget,
					   GtkArg	       *arg);
void	   gtk_widget_getv		  (GtkWidget	       *widget,
					   guint		nargs,
					   GtkArg	       *args);
void	   gtk_widget_set		  (GtkWidget	       *widget,
					   const gchar         *first_arg_name,
					   ...);
void	   gtk_widget_setv		  (GtkWidget	       *widget,
					   guint		nargs,
					   GtkArg	       *args);
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);
void	   gtk_widget_queue_clear	  (GtkWidget	       *widget);
void	   gtk_widget_queue_clear_area	  (GtkWidget	       *widget,
					   gint                 x,
					   gint                 y,
					   gint                 width,
					   gint                 height);


void	   gtk_widget_queue_resize	  (GtkWidget	       *widget);
void	   gtk_widget_draw		  (GtkWidget	       *widget,
					   GdkRectangle	       *area);
void	   gtk_widget_draw_focus	  (GtkWidget	       *widget);
void	   gtk_widget_draw_default	  (GtkWidget	       *widget);
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);
gint	   gtk_widget_event		  (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);
gint	   gtk_widget_intersect		  (GtkWidget	       *widget,
					   GdkRectangle	       *area,
					   GdkRectangle	       *intersection);

void	   gtk_widget_grab_focus	  (GtkWidget	       *widget);
void	   gtk_widget_grab_default	  (GtkWidget	       *widget);

void	   gtk_widget_set_name		  (GtkWidget	       *widget,
					   const gchar	       *name);
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_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);
void         gtk_widget_set_visual      (GtkWidget      *widget, 
					 GdkVisual      *visual);


gint	     gtk_widget_get_events	(GtkWidget	*widget);
void	     gtk_widget_get_pointer	(GtkWidget	*widget,
					 gint		*x,
					 gint		*y);

gint	     gtk_widget_is_ancestor	(GtkWidget	*widget,
					 GtkWidget	*ancestor);

/* Hide widget and return TRUE.
 */
gint	   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);

/* handle composite names for GTK_COMPOSITE_CHILD widgets,
 * the returned name is newly allocated.
 */
void   gtk_widget_set_composite_name	(GtkWidget	*widget,
					 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_visual	     (GdkVisual	 *visual);
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);
void	     gtk_widget_pop_visual	     (void);

/* 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);
void	     gtk_widget_set_default_visual   (GdkVisual	  *visual);
GtkStyle*    gtk_widget_get_default_style    (void);
GdkColormap* gtk_widget_get_default_colormap (void);
GdkVisual*   gtk_widget_get_default_visual   (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__ */



#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GTK_WIDGET_H__ */