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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 Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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.
*/
#ifndef __GTK_SIGNAL_H__
#define __GTK_SIGNAL_H__
#include <gdk/gdk.h>
#include <gtk/gtkenums.h>
#include <gtk/gtkobject.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifdef offsetof
#define GTK_SIGNAL_OFFSET(t, f) ((int) offsetof (t, f))
#else /* offsetof */
#define GTK_SIGNAL_OFFSET(t, f) ((int) ((char*) &((t*) 0)->f))
#endif /* offsetof */
typedef void (*GtkSignalMarshal) (GtkObject *object,
gpointer data,
guint nparams,
GtkArg *args,
GtkType *arg_types,
GtkType return_type);
typedef void (*GtkSignalDestroy) (gpointer data);
typedef struct _GtkSignalQuery GtkSignalQuery;
struct _GtkSignalQuery
{
GtkType object_type;
guint signal_id;
const gchar *signal_name;
gboolean is_user_signal;
GtkSignalRunType run_type;
GtkType return_val;
guint nparams;
const GtkType *params;
};
guint gtk_signal_new (const gchar *name,
GtkSignalRunType run_type,
GtkType object_type,
guint function_offset,
GtkSignalMarshaller marshaller,
GtkType return_val,
guint nparams,
...);
guint gtk_signal_newv (const gchar *name,
GtkSignalRunType run_type,
GtkType object_type,
guint function_offset,
GtkSignalMarshaller marshaller,
GtkType return_val,
guint nparams,
GtkType *params);
guint gtk_signal_lookup (const gchar *name,
GtkType object_type);
gchar* gtk_signal_name (guint signal_id);
void gtk_signal_emit (GtkObject *object,
guint signal_id,
...);
void gtk_signal_emit_by_name (GtkObject *object,
const gchar *name,
...);
void gtk_signal_emit_stop (GtkObject *object,
guint signal_id);
void gtk_signal_emit_stop_by_name (GtkObject *object,
const gchar *name);
guint gtk_signal_connect (GtkObject *object,
const gchar *name,
GtkSignalFunc func,
gpointer func_data);
guint gtk_signal_connect_after (GtkObject *object,
const gchar *name,
GtkSignalFunc func,
gpointer func_data);
guint gtk_signal_connect_object (GtkObject *object,
const gchar *name,
GtkSignalFunc func,
GtkObject *slot_object);
guint gtk_signal_connect_object_after (GtkObject *object,
const gchar *name,
GtkSignalFunc func,
GtkObject *slot_object);
guint gtk_signal_connect_full (GtkObject *object,
const gchar *name,
GtkSignalFunc func,
GtkCallbackMarshal marshal,
gpointer data,
GtkDestroyNotify destroy_func,
gint object_signal,
gint after);
guint gtk_signal_connect_interp (GtkObject *object,
const gchar *name,
GtkCallbackMarshal func,
gpointer data,
GtkDestroyNotify destroy_func,
gint after);
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);
void gtk_signal_disconnect (GtkObject *object,
guint handler_id);
void gtk_signal_disconnect_by_data (GtkObject *object,
gpointer data);
void gtk_signal_handler_block (GtkObject *object,
guint handler_id);
void gtk_signal_handler_block_by_data (GtkObject *object,
gpointer data);
void gtk_signal_handler_unblock (GtkObject *object,
guint handler_id);
void gtk_signal_handler_unblock_by_data (GtkObject *object,
gpointer data);
guint gtk_signal_handler_pending (GtkObject *object,
guint signal_id,
gboolean may_be_blocked);
void gtk_signal_handlers_destroy (GtkObject *object);
void gtk_signal_default_marshaller (GtkObject *object,
GtkSignalFunc func,
gpointer func_data,
GtkArg *args);
void gtk_signal_set_funcs (GtkSignalMarshal marshal_func,
GtkSignalDestroy destroy_func);
/* Report internal information about a signal. The caller has the response
* to invoke a supsequent g_free (returned_data); but must leave the
* contents of GtkSignalQuery untouched.
*/
GtkSignalQuery* gtk_signal_query (guint signal_id);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GTK_SIGNAL_H__ */
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