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_init()                             g_type_init()
  48 #define gtk_signal_lookup                             g_signal_lookup
  49 #define gtk_signal_name                               g_signal_name
  50 #define gtk_signal_emit_stop                          g_signal_stop_emission
  51 #define gtk_signal_connect(o,s,f,d)                   gtk_signal_connect_full ((o), (s), (f), 0, (d), 0, 0, 0)
  52 #define gtk_signal_connect_after(o,s,f,d)             gtk_signal_connect_full ((o), (s), (f), 0, (d), 0, 0, 1)
  53 #define gtk_signal_connect_object(o,s,f,d)            gtk_signal_connect_full ((o), (s), (f), 0, (d), 0, 1, 0)
  54 #define gtk_signal_connect_object_after(o,s,f,d)      gtk_signal_connect_full ((o), (s), (f), 0, (d), 0, 1, 1)
  55 #define gtk_signal_disconnect                         g_signal_handler_disconnect
  56 #define gtk_signal_handler_block                      g_signal_handler_block
  57 #define gtk_signal_handler_unblock                    g_signal_handler_unblock
  58 #define gtk_signal_disconnect_by_func(o,f,d)          gtk_signal_compat_matched ((o), (f), (d), G_SIGNAL_MATCH_FUNC | \
  59                                                                                                 G_SIGNAL_MATCH_DATA, 0)
  60 #define gtk_signal_disconnect_by_data(o,d)            gtk_signal_compat_matched ((o), 0, (d), G_SIGNAL_MATCH_DATA, 0)
  61 #define gtk_signal_handler_block_by_func(o,f,d)       gtk_signal_compat_matched ((o), (f), (d), G_SIGNAL_MATCH_FUNC | \
  62                                                                                                 G_SIGNAL_MATCH_DATA, 1)
  63 #define gtk_signal_handler_block_by_data(o,d)         gtk_signal_compat_matched ((o), 0, (d), G_SIGNAL_MATCH_DATA, 1)
  64 #define gtk_signal_handler_unblock_by_func(o,f,d)     gtk_signal_compat_matched ((o), (f), (d), G_SIGNAL_MATCH_FUNC | \
  65                                                                                                 G_SIGNAL_MATCH_DATA, 2)
  66 #define gtk_signal_handler_unblock_by_data(o,d)       gtk_signal_compat_matched ((o), 0, (d), G_SIGNAL_MATCH_DATA, 2)
  67 #define gtk_signal_handler_pending                    g_signal_has_handler_pending
  68 #define gtk_signal_handler_pending_by_func(o,s,b,f,d) (g_signal_handler_find ((o), G_SIGNAL_MATCH_ID | \
  69                                                                                    G_SIGNAL_MATCH_FUNC | \
  70                                                                                    G_SIGNAL_MATCH_DATA | \
  71                                                                                    ((b) ? 0 : G_SIGNAL_MATCH_UNBLOCKED), \
  72                                                                                    (s), 0, (f), (d)) != 0)
  73
  74
  75 /* --- compat functions --- */
  76 guint   gtk_signal_newv                         (const gchar        *name,
  77                                                  GtkSignalRunType    signal_flags,
  78                                                  GtkType             object_type,
  79                                                  guint               function_offset,
  80                                                  GtkSignalMarshaller marshaller,
  81                                                  GtkType             return_val,
  82                                                  guint               n_args,
  83                                                  GtkType            *args);
  84 guint   gtk_signal_new                          (const gchar        *name,
  85                                                  GtkSignalRunType    signal_flags,
  86                                                  GtkType             object_type,
  87                                                  guint               function_offset,
  88                                                  GtkSignalMarshaller marshaller,
  89                                                  GtkType             return_val,
  90                                                  guint               n_args,
  91                                                  ...);
  92 void    gtk_signal_emit_stop_by_name            (GtkObject          *object,
  93                                                  const gchar        *name);
  94 void    gtk_signal_connect_object_while_alive   (GtkObject          *object,
  95                                                  const gchar        *signal,
  96                                                  GtkSignalFunc       func,
  97                                                  GtkObject          *alive_object);
  98 void    gtk_signal_connect_while_alive          (GtkObject          *object,
  99                                                  const gchar        *signal,
 100                                                  GtkSignalFunc       func,
 101                                                  gpointer            func_data,
 102                                                  GtkObject          *alive_object);
 103 guint   gtk_signal_connect_full                 (GtkObject          *object,
 104                                                  const gchar        *name,
 105                                                  GtkSignalFunc       func,
 106                                                  GtkCallbackMarshal  unsupported,
 107                                                  gpointer            data,
 108                                                  GtkDestroyNotify    destroy_func,
 109                                                  gint                object_signal,
 110                                                  gint                after);
 111 void    gtk_signal_emitv                        (GtkObject          *object,
 112                                                  guint               signal_id,
 113                                                  GtkArg             *args);
 114 void    gtk_signal_emit                         (GtkObject          *object,
 115                                                  guint               signal_id,
 116                                                  ...);
 117 void    gtk_signal_emit_by_name                 (GtkObject          *object,
 118                                                  const gchar        *name,
 119                                                  ...);
 120 void    gtk_signal_emitv_by_name                (GtkObject          *object,
 121                                                  const gchar        *name,
 122                                                  GtkArg             *args);
 123 void    gtk_signal_compat_matched               (GtkObject          *object,
 124                                                  GtkSignalFunc       func,
 125                                                  gpointer            data,
 126                                                  GSignalMatchType    match,
 127                                                  guint               action);
 128
 129
 130 /* FIXME: non-functional relicts */
 131 typedef gpointer GtkEmissionHook;
 132 #define gtk_signal_add_emission_hook(i,h,d)     (0)
 133 #define gtk_signal_remove_emission_hook(i,h)    while (0)
 134
 135
 136 #ifdef __cplusplus
 137 }
 138 #endif /* __cplusplus */
 139
 140
 141 #endif /* __GTK_SIGNAL_H__ */