Pileus Git - ~andy/gtk/blob - gtk/gtksignal.h

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GTK+ Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #ifndef __GTK_SIGNAL_H__
  28 #define __GTK_SIGNAL_H__
  29
  30
  31 #include <gtk/gtkenums.h>
  32 #include <gtk/gtkobject.h>
  33 #include <gtk/gtkmarshal.h>
  34
  35
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif /* __cplusplus */
  39
  40
  41
  42 #define gtk_signal_default_marshaller   gtk_marshal_VOID__VOID
  43
  44
  45 /* --- compat defines --- */
  46 #define GTK_SIGNAL_OFFSET                             GTK_STRUCT_OFFSET
  47 #define gtk_signal_lookup(name,object_type)                                            \
  48    g_signal_lookup ((name), (object_type))
  49 #define gtk_signal_name(signal_id)                                                     \
  50    g_signal_name (signal_id)
  51 #define gtk_signal_emit_stop(object,signal_id)                                         \
  52    g_signal_stop_emission ((object), (signal_id), 0)
  53 #define gtk_signal_connect(object,name,func,func_data)                                 \
  54    gtk_signal_connect_full ((object), (name), (func), 0, (func_data), 0, 0, 0)
  55 #define gtk_signal_connect_after(object,name,func,func_data)                           \
  56    gtk_signal_connect_full ((object), (name), (func), 0, (func_data), 0, 0, 1)
  57 #define gtk_signal_connect_object(object,name,func,slot_object)                        \
  58    gtk_signal_connect_full ((object), (name), (func), 0, (slot_object), 0, 1, 0)
  59 #define gtk_signal_connect_object_after(object,name,func,slot_object)                  \
  60    gtk_signal_connect_full ((object), (name), (func), 0, (slot_object), 0, 1, 1)
  61 #define gtk_signal_disconnect(object,handler_id)                                       \
  62    g_signal_handler_disconnect ((object), (handler_id))
  63 #define gtk_signal_handler_block(object,handler_id)                                    \
  64    g_signal_handler_block ((object), (handler_id))
  65 #define gtk_signal_handler_unblock(object,handler_id)                                  \
  66    g_signal_handler_unblock ((object), (handler_id))
  67 #define gtk_signal_disconnect_by_func(object,func,data)                                \
  68    gtk_signal_compat_matched ((object), (func), (data), G_SIGNAL_MATCH_FUNC |          \
  69                                                         G_SIGNAL_MATCH_DATA, 0)
  70 #define gtk_signal_disconnect_by_data(object,data)                                     \
  71    gtk_signal_compat_matched ((object), 0, (data), G_SIGNAL_MATCH_DATA, 0)
  72 #define gtk_signal_handler_block_by_func(object,func,data)                             \
  73    gtk_signal_compat_matched ((object), (func), (data), G_SIGNAL_MATCH_FUNC |          \
  74                                                         G_SIGNAL_MATCH_DATA, 1)
  75 #define gtk_signal_handler_block_by_data(object,data)                                  \
  76    gtk_signal_compat_matched ((object), 0, (data), G_SIGNAL_MATCH_DATA, 1)
  77 #define gtk_signal_handler_unblock_by_func(object,func,data)                           \
  78    gtk_signal_compat_matched ((object), (func), (data), G_SIGNAL_MATCH_FUNC |          \
  79                                                         G_SIGNAL_MATCH_DATA, 2)
  80 #define gtk_signal_handler_unblock_by_data(object,data)                                \
  81    gtk_signal_compat_matched ((object), 0, (data), G_SIGNAL_MATCH_DATA, 2)
  82 #define gtk_signal_handler_pending(object,signal_id,may_be_blocked)                    \
  83    g_signal_has_handler_pending ((object), 0, (signal_id), (may_be_blocked))
  84 #define gtk_signal_handler_pending_by_func(object,signal_id,may_be_blocked,func,data)  \
  85    (g_signal_handler_find ((object), G_SIGNAL_MATCH_ID |                               \
  86                                      G_SIGNAL_MATCH_FUNC |                             \
  87                                      G_SIGNAL_MATCH_DATA |                             \
  88                                      ((may_be_blocked) ? 0 : G_SIGNAL_MATCH_UNBLOCKED),\
  89                            (signal_id), 0, 0, (func), (data)) != 0)
  90
  91
  92 /* --- compat functions --- */
  93 guint   gtk_signal_newv                         (const gchar        *name,
  94                                                  GtkSignalRunType    signal_flags,
  95                                                  GtkType             object_type,
  96                                                  guint               function_offset,
  97                                                  GtkSignalMarshaller marshaller,
  98                                                  GtkType             return_val,
  99                                                  guint               n_args,
 100                                                  GtkType            *args);
 101 guint   gtk_signal_new                          (const gchar        *name,
 102                                                  GtkSignalRunType    signal_flags,
 103                                                  GtkType             object_type,
 104                                                  guint               function_offset,
 105                                                  GtkSignalMarshaller marshaller,
 106                                                  GtkType             return_val,
 107                                                  guint               n_args,
 108                                                  ...);
 109 void    gtk_signal_emit_stop_by_name            (GtkObject          *object,
 110                                                  const gchar        *name);
 111 void    gtk_signal_connect_object_while_alive   (GtkObject          *object,
 112                                                  const gchar        *signal,
 113                                                  GtkSignalFunc       func,
 114                                                  GtkObject          *alive_object);
 115 void    gtk_signal_connect_while_alive          (GtkObject          *object,
 116                                                  const gchar        *signal,
 117                                                  GtkSignalFunc       func,
 118                                                  gpointer            func_data,
 119                                                  GtkObject          *alive_object);
 120 guint   gtk_signal_connect_full                 (GtkObject          *object,
 121                                                  const gchar        *name,
 122                                                  GtkSignalFunc       func,
 123                                                  GtkCallbackMarshal  unsupported,
 124                                                  gpointer            data,
 125                                                  GtkDestroyNotify    destroy_func,
 126                                                  gint                object_signal,
 127                                                  gint                after);
 128 void    gtk_signal_emitv                        (GtkObject          *object,
 129                                                  guint               signal_id,
 130                                                  GtkArg             *args);
 131 void    gtk_signal_emit                         (GtkObject          *object,
 132                                                  guint               signal_id,
 133                                                  ...);
 134 void    gtk_signal_emit_by_name                 (GtkObject          *object,
 135                                                  const gchar        *name,
 136                                                  ...);
 137 void    gtk_signal_emitv_by_name                (GtkObject          *object,
 138                                                  const gchar        *name,
 139                                                  GtkArg             *args);
 140 void    gtk_signal_compat_matched               (GtkObject          *object,
 141                                                  GtkSignalFunc       func,
 142                                                  gpointer            data,
 143                                                  GSignalMatchType    match,
 144                                                  guint               action);
 145
 146
 147 #ifdef __cplusplus
 148 }
 149 #endif /* __cplusplus */
 150
 151
 152 #endif /* __GTK_SIGNAL_H__ */