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

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * GtkBindingSet: Keybinding manager for GtkObjects.
   5  * Copyright (C) 1998 Tim Janik
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the
  19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22
  23 /*
  24  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  25  * file for a list of people on the GTK+ Team.  See the ChangeLog
  26  * files for a list of changes.  These files are distributed with
  27  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  28  */
  29
  30 #ifndef __GTK_BINDINGS_H__
  31 #define __GTK_BINDINGS_H__
  32
  33
  34 #include <gdk/gdk.h>
  35 #include <gtk/gtkobject.h>
  36 #include <gtk/gtkenums.h>
  37
  38
  39 G_BEGIN_DECLS
  40
  41
  42 /* Binding sets
  43  */
  44
  45 typedef struct _GtkBindingSet           GtkBindingSet;
  46 typedef struct _GtkBindingEntry         GtkBindingEntry;
  47 typedef struct _GtkBindingSignal        GtkBindingSignal;
  48 typedef struct _GtkBindingArg           GtkBindingArg;
  49
  50 struct _GtkBindingSet
  51 {
  52   gchar                 *set_name;
  53   gint                   priority;
  54   GSList                *widget_path_pspecs;
  55   GSList                *widget_class_pspecs;
  56   GSList                *class_branch_pspecs;
  57   GtkBindingEntry       *entries;
  58   GtkBindingEntry       *current;
  59   guint                  parsed : 1; /* From RC content */
  60 };
  61
  62 struct _GtkBindingEntry
  63 {
  64   /* key portion
  65    */
  66   guint                  keyval;
  67   GdkModifierType        modifiers;
  68
  69   GtkBindingSet         *binding_set;
  70   guint                 destroyed : 1;
  71   guint                 in_emission : 1;
  72   GtkBindingEntry       *set_next;
  73   GtkBindingEntry       *hash_next;
  74   GtkBindingSignal      *signals;
  75 };
  76
  77 struct _GtkBindingSignal
  78 {
  79   GtkBindingSignal      *next;
  80   gchar                 *signal_name;
  81   guint                  n_args;
  82   GtkBindingArg         *args;
  83 };
  84
  85 struct _GtkBindingArg
  86 {
  87   GType          arg_type;
  88   union {
  89     glong        long_data;
  90     gdouble      double_data;
  91     gchar       *string_data;
  92   } d;
  93 };
  94
  95
  96 /* Application-level methods */
  97
  98 GtkBindingSet*  gtk_binding_set_new     (const gchar    *set_name);
  99 GtkBindingSet*  gtk_binding_set_by_class(gpointer        object_class);
 100 GtkBindingSet*  gtk_binding_set_find    (const gchar    *set_name);
 101 gboolean gtk_bindings_activate          (GtkObject      *object,
 102                                          guint           keyval,
 103                                          GdkModifierType modifiers);
 104 gboolean gtk_bindings_activate_event    (GtkObject      *object,
 105                                          GdkEventKey    *event);
 106 gboolean gtk_binding_set_activate       (GtkBindingSet  *binding_set,
 107                                          guint           keyval,
 108                                          GdkModifierType modifiers,
 109                                          GtkObject      *object);
 110 #define  gtk_binding_entry_add          gtk_binding_entry_clear
 111 void     gtk_binding_entry_clear        (GtkBindingSet  *binding_set,
 112                                          guint           keyval,
 113                                          GdkModifierType modifiers);
 114 void     gtk_binding_entry_add_signal   (GtkBindingSet  *binding_set,
 115                                          guint           keyval,
 116                                          GdkModifierType modifiers,
 117                                          const gchar    *signal_name,
 118                                          guint           n_args,
 119                                          ...);
 120 void     gtk_binding_set_add_path       (GtkBindingSet  *binding_set,
 121                                          GtkPathType     path_type,
 122                                          const gchar    *path_pattern,
 123                                          GtkPathPriorityType priority);
 124
 125
 126 /* Non-public methods */
 127
 128 void     gtk_binding_entry_remove       (GtkBindingSet  *binding_set,
 129                                          guint           keyval,
 130                                          GdkModifierType modifiers);
 131 void     gtk_binding_entry_add_signall  (GtkBindingSet  *binding_set,
 132                                          guint           keyval,
 133                                          GdkModifierType modifiers,
 134                                          const gchar    *signal_name,
 135                                          GSList         *binding_args);
 136 guint    gtk_binding_parse_binding      (GScanner       *scanner);
 137
 138
 139 void     _gtk_binding_reset_parsed    (void);
 140
 141 /* Creates a signal with a fixed callback instead of a class offset;
 142  * useful for key binding signals
 143  */
 144 guint _gtk_binding_signal_new (const gchar       *signal_name,
 145                                GType              itype,
 146                                GSignalFlags       signal_flags,
 147                                GCallback          handler,
 148                                GSignalAccumulator accumulator,
 149                                gpointer           accu_data,
 150                                GSignalCMarshaller c_marshaller,
 151                                GType              return_type,
 152                                guint              n_params,
 153                                ...);
 154
 155 G_END_DECLS
 156
 157
 158 #endif /* __GTK_BINDINGS_H__ */