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C/C++ Source or Header  |  2006-04-25  |  6.9 KB  |  152 lines
  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__ */
  152.