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 G_BEGIN_DECLS
  36
  37 #ifndef GTK_DISABLE_DEPRECATED
  38
  39 #define gtk_signal_default_marshaller   g_cclosure_marshal_VOID__VOID
  40
  41
  42 /* --- compat defines --- */
  43 #define GTK_SIGNAL_OFFSET                             GTK_STRUCT_OFFSET
  44 #define gtk_signal_lookup(name,object_type)                                            \
  45    g_signal_lookup ((name), (object_type))
  46 #define gtk_signal_name(signal_id)                                                     \
  47    g_signal_name (signal_id)
  48 #define gtk_signal_emit_stop(object,signal_id)                                         \
  49    g_signal_stop_emission ((object), (signal_id), 0)
  50 #define gtk_signal_connect(object,name,func,func_data)                                 \
  51    gtk_signal_connect_full ((object), (name), (func), 0, (func_data), 0, 0, 0)
  52 #define gtk_signal_connect_after(object,name,func,func_data)                           \
  53    gtk_signal_connect_full ((object), (name), (func), 0, (func_data), 0, 0, 1)
  54 #define gtk_signal_connect_object(object,name,func,slot_object)                        \
  55    gtk_signal_connect_full ((object), (name), (func), 0, (slot_object), 0, 1, 0)
  56 #define gtk_signal_connect_object_after(object,name,func,slot_object)                  \
  57    gtk_signal_connect_full ((object), (name), (func), 0, (slot_object), 0, 1, 1)
  58 #define gtk_signal_disconnect(object,handler_id)                                       \
  59    g_signal_handler_disconnect ((object), (handler_id))
  60 #define gtk_signal_handler_block(object,handler_id)                                    \
  61    g_signal_handler_block ((object), (handler_id))
  62 #define gtk_signal_handler_unblock(object,handler_id)                                  \
  63    g_signal_handler_unblock ((object), (handler_id))
  64 #define gtk_signal_disconnect_by_func(object,func,data)                                \
  65    gtk_signal_compat_matched ((object), (func), (data),                                \
  66                               (GSignalMatchType)(G_SIGNAL_MATCH_FUNC |                 \
  67                                                  G_SIGNAL_MATCH_DATA), 0)
  68 #define gtk_signal_disconnect_by_data(object,data)                                     \
  69    gtk_signal_compat_matched ((object), 0, (data), G_SIGNAL_MATCH_DATA, 0)
  70 #define gtk_signal_handler_block_by_func(object,func,data)                             \
  71    gtk_signal_compat_matched ((object), (func), (data),                                \
  72                               (GSignalMatchType)(G_SIGNAL_MATCH_FUNC |                 \
  73                                                  G_SIGNAL_MATCH_DATA), 1)
  74 #define gtk_signal_handler_block_by_data(object,data)                                  \
  75    gtk_signal_compat_matched ((object), 0, (data), G_SIGNAL_MATCH_DATA, 1)
  76 #define gtk_signal_handler_unblock_by_func(object,func,data)                           \
  77    gtk_signal_compat_matched ((object), (func), (data),                                \
  78                               (GSignalMatchType)(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), (signal_id), 0, (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),                                                             \
  86                            (GSignalMatchType)(G_SIGNAL_MATCH_ID |                                \
  87                                               G_SIGNAL_MATCH_FUNC |                              \
  88                                               G_SIGNAL_MATCH_DATA |                              \
  89                                               ((may_be_blocked) ? 0 : G_SIGNAL_MATCH_UNBLOCKED)),\
  90                            (signal_id), 0, 0, (func), (data)) != 0)
  91
  92
  93 /* --- compat functions --- */
  94 guint   gtk_signal_newv                         (const gchar        *name,
  95                                                  GtkSignalRunType    signal_flags,
  96                                                  GtkType             object_type,
  97                                                  guint               function_offset,
  98                                                  GtkSignalMarshaller marshaller,
  99                                                  GtkType             return_val,
 100                                                  guint               n_args,
 101                                                  GtkType            *args);
 102 guint   gtk_signal_new                          (const gchar        *name,
 103                                                  GtkSignalRunType    signal_flags,
 104                                                  GtkType             object_type,
 105                                                  guint               function_offset,
 106                                                  GtkSignalMarshaller marshaller,
 107                                                  GtkType             return_val,
 108                                                  guint               n_args,
 109                                                  ...);
 110 void    gtk_signal_emit_stop_by_name            (GtkObject          *object,
 111                                                  const gchar        *name);
 112 void    gtk_signal_connect_object_while_alive   (GtkObject          *object,
 113                                                  const gchar        *name,
 114                                                  GtkSignalFunc       func,
 115                                                  GtkObject          *alive_object);
 116 void    gtk_signal_connect_while_alive          (GtkObject          *object,
 117                                                  const gchar        *name,
 118                                                  GtkSignalFunc       func,
 119                                                  gpointer            func_data,
 120                                                  GtkObject          *alive_object);
 121 gulong  gtk_signal_connect_full                 (GtkObject          *object,
 122                                                  const gchar        *name,
 123                                                  GtkSignalFunc       func,
 124                                                  GtkCallbackMarshal  unsupported,
 125                                                  gpointer            data,
 126                                                  GtkDestroyNotify    destroy_func,
 127                                                  gint                object_signal,
 128                                                  gint                after);
 129 void    gtk_signal_emitv                        (GtkObject          *object,
 130                                                  guint               signal_id,
 131                                                  GtkArg             *args);
 132 void    gtk_signal_emit                         (GtkObject          *object,
 133                                                  guint               signal_id,
 134                                                  ...);
 135 void    gtk_signal_emit_by_name                 (GtkObject          *object,
 136                                                  const gchar        *name,
 137                                                  ...);
 138 void    gtk_signal_emitv_by_name                (GtkObject          *object,
 139                                                  const gchar        *name,
 140                                                  GtkArg             *args);
 141 void    gtk_signal_compat_matched               (GtkObject          *object,
 142                                                  GtkSignalFunc       func,
 143                                                  gpointer            data,
 144                                                  GSignalMatchType    match,
 145                                                  guint               action);
 146
 147 #endif /* GTK_DISABLE_DEPRECATED */
 148
 149 G_END_DECLS
 150
 151 #endif /* __GTK_SIGNAL_H__ */