gtksignal.h 6.73 KB
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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
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 * modify it under the terms of the GNU Lesser General Public
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 * 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
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
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 */
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/*
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 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
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 * 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/. 
 */

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#ifndef __GTK_SIGNAL_H__
#define __GTK_SIGNAL_H__


#include <gtk/gtkenums.h>
#include <gtk/gtkobject.h>
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#include <gtk/gtkmarshal.h>
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#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

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#define	gtk_signal_default_marshaller	gtk_marshal_VOID__VOID


/* --- compat defines --- */
#define GTK_SIGNAL_OFFSET	                      GTK_STRUCT_OFFSET
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#define	gtk_signal_lookup(name,object_type)	                                       \
   g_signal_lookup ((name), (object_type))
#define	gtk_signal_name(signal_id)                                                     \
   g_signal_name (signal_id)
#define	gtk_signal_emit_stop(object,signal_id)                                         \
   g_signal_stop_emission ((object), (signal_id), 0)
#define	gtk_signal_connect(object,name,func,func_data)                                 \
   gtk_signal_connect_full ((object), (name), (func), 0, (func_data), 0, 0, 0)
#define	gtk_signal_connect_after(object,name,func,func_data)                           \
   gtk_signal_connect_full ((object), (name), (func), 0, (func_data), 0, 0, 1)
#define	gtk_signal_connect_object(object,name,func,slot_object)                        \
   gtk_signal_connect_full ((object), (name), (func), 0, (slot_object), 0, 1, 0)
#define	gtk_signal_connect_object_after(object,name,func,slot_object)                  \
   gtk_signal_connect_full ((object), (name), (func), 0, (slot_object), 0, 1, 1)
#define	gtk_signal_disconnect(object,handler_id)                                       \
   g_signal_handler_disconnect ((object), (handler_id))
#define	gtk_signal_handler_block(object,handler_id)                                    \
   g_signal_handler_block ((object), (handler_id))
#define	gtk_signal_handler_unblock(object,handler_id)                                  \
   g_signal_handler_unblock ((object), (handler_id))
#define	gtk_signal_disconnect_by_func(object,func,data)	                               \
   gtk_signal_compat_matched ((object), (func), (data), G_SIGNAL_MATCH_FUNC |          \
                                                        G_SIGNAL_MATCH_DATA, 0)
#define	gtk_signal_disconnect_by_data(object,data)                                     \
   gtk_signal_compat_matched ((object), 0, (data), G_SIGNAL_MATCH_DATA, 0)
#define	gtk_signal_handler_block_by_func(object,func,data)                             \
   gtk_signal_compat_matched ((object), (func), (data), G_SIGNAL_MATCH_FUNC |          \
                                                        G_SIGNAL_MATCH_DATA, 1)
#define	gtk_signal_handler_block_by_data(object,data)                                  \
   gtk_signal_compat_matched ((object), 0, (data), G_SIGNAL_MATCH_DATA, 1)
#define	gtk_signal_handler_unblock_by_func(object,func,data)                           \
   gtk_signal_compat_matched ((object), (func), (data), G_SIGNAL_MATCH_FUNC |          \
                                                        G_SIGNAL_MATCH_DATA, 2)
#define	gtk_signal_handler_unblock_by_data(object,data)                                \
   gtk_signal_compat_matched ((object), 0, (data), G_SIGNAL_MATCH_DATA, 2)
#define	gtk_signal_handler_pending(object,signal_id,may_be_blocked)                    \
   g_signal_has_handler_pending ((object), 0, (signal_id), (may_be_blocked))
#define	gtk_signal_handler_pending_by_func(object,signal_id,may_be_blocked,func,data)  \
   (g_signal_handler_find ((object), G_SIGNAL_MATCH_ID |                               \
                                     G_SIGNAL_MATCH_FUNC |                             \
                                     G_SIGNAL_MATCH_DATA |                             \
                                     ((may_be_blocked) ? 0 : G_SIGNAL_MATCH_UNBLOCKED),\
                           (signal_id), 0, 0, (func), (data)) != 0)
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/* --- compat functions --- */
guint	gtk_signal_newv				(const gchar	    *name,
						 GtkSignalRunType    signal_flags,
						 GtkType	     object_type,
						 guint		     function_offset,
						 GtkSignalMarshaller marshaller,
						 GtkType	     return_val,
						 guint		     n_args,
						 GtkType	    *args);
guint	gtk_signal_new				(const gchar	    *name,
						 GtkSignalRunType    signal_flags,
						 GtkType	     object_type,
						 guint		     function_offset,
						 GtkSignalMarshaller marshaller,
						 GtkType	     return_val,
						 guint		     n_args,
						 ...);
void	gtk_signal_emit_stop_by_name		(GtkObject	    *object,
						 const gchar	    *name);
void	gtk_signal_connect_object_while_alive	(GtkObject	    *object,
						 const gchar        *signal,
						 GtkSignalFunc	     func,
						 GtkObject	    *alive_object);
void	gtk_signal_connect_while_alive		(GtkObject	    *object,
						 const gchar        *signal,
						 GtkSignalFunc	     func,
						 gpointer	     func_data,
						 GtkObject	    *alive_object);
guint	gtk_signal_connect_full			(GtkObject	    *object,
						 const gchar	    *name,
						 GtkSignalFunc	     func,
						 GtkCallbackMarshal  unsupported,
						 gpointer	     data,
						 GtkDestroyNotify    destroy_func,
						 gint		     object_signal,
						 gint		     after);
void	gtk_signal_emitv			(GtkObject	    *object,
						 guint		     signal_id,
						 GtkArg		    *args);
void	gtk_signal_emit				(GtkObject	    *object,
						 guint		     signal_id,
						 ...);
void	gtk_signal_emit_by_name			(GtkObject	    *object,
						 const gchar	    *name,
						 ...);
void	gtk_signal_emitv_by_name		(GtkObject	    *object,
						 const gchar	    *name,
						 GtkArg		    *args);
void	gtk_signal_compat_matched		(GtkObject	    *object,
						 GtkSignalFunc 	     func,
						 gpointer      	     data,
						 GSignalMatchType    match,
						 guint               action);


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#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GTK_SIGNAL_H__ */