194 lines
6.9 KiB
C
194 lines
6.9 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* GtkBindingSet: Keybinding manager for GObjects.
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* Copyright (C) 1998 Tim Janik
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __GTK_BINDINGS_H__
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#define __GTK_BINDINGS_H__
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#include <gdk/gdk.h>
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#include <gtk/gtkenums.h>
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G_BEGIN_DECLS
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typedef struct _GtkBindingSet GtkBindingSet;
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typedef struct _GtkBindingEntry GtkBindingEntry;
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typedef struct _GtkBindingSignal GtkBindingSignal;
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typedef struct _GtkBindingArg GtkBindingArg;
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/**
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* GtkBindingSet:
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* @set_name: unique name of this binding set
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* @priority: unused
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* @widget_path_pspecs: unused
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* @widget_class_pspecs: unused
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* @class_branch_pspecs: unused
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* @entries: the key binding entries in this binding set
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* @current: implementation detail
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* @parsed: whether this binding set stems from a CSS file and is reset upon theme changes
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*
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* A binding set maintains a list of activatable key bindings.
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* A single binding set can match multiple types of widgets.
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* Similar to style contexts, can be matched by any information contained
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* in a widgets #GtkWidgetPath. When a binding within a set is matched upon
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* activation, an action signal is emitted on the target widget to carry out
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* the actual activation.
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*/
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struct _GtkBindingSet
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{
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gchar *set_name;
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gint priority;
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GSList *widget_path_pspecs;
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GSList *widget_class_pspecs;
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GSList *class_branch_pspecs;
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GtkBindingEntry *entries;
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GtkBindingEntry *current;
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guint parsed : 1;
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};
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/**
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* GtkBindingEntry:
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* @keyval: key value to match
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* @modifiers: key modifiers to match
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* @binding_set: binding set this entry belongs to
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* @destroyed: implementation detail
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* @in_emission: implementation detail
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* @marks_unbound: implementation detail
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* @set_next: linked list of entries maintained by binding set
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* @hash_next: implementation detail
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* @signals: action signals of this entry
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*
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* Each key binding element of a binding sets binding list is
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* represented by a GtkBindingEntry.
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*/
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struct _GtkBindingEntry
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{
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/* key portion */
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guint keyval;
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GdkModifierType modifiers;
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GtkBindingSet *binding_set;
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guint destroyed : 1;
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guint in_emission : 1;
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guint marks_unbound : 1;
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GtkBindingEntry *set_next;
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GtkBindingEntry *hash_next;
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GtkBindingSignal *signals;
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};
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/**
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* GtkBindingArg:
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* @arg_type: implementation detail
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*
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* A #GtkBindingArg holds the data associated with
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* an argument for a key binding signal emission as
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* stored in #GtkBindingSignal.
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*/
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struct _GtkBindingArg
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{
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GType arg_type;
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union {
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glong long_data;
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gdouble double_data;
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gchar *string_data;
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} d;
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};
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/**
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* GtkBindingSignal:
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* @next: implementation detail
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* @signal_name: the action signal to be emitted
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* @n_args: number of arguments specified for the signal
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* @args: (array length=n_args): the arguments specified for the signal
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*
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* A GtkBindingSignal stores the necessary information to
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* activate a widget in response to a key press via a signal
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* emission.
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*/
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struct _GtkBindingSignal
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{
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GtkBindingSignal *next;
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gchar *signal_name;
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guint n_args;
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GtkBindingArg *args;
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};
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GDK_AVAILABLE_IN_ALL
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GtkBindingSet *gtk_binding_set_new (const gchar *set_name);
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GDK_AVAILABLE_IN_ALL
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GtkBindingSet *gtk_binding_set_by_class (gpointer object_class);
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GDK_AVAILABLE_IN_ALL
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GtkBindingSet *gtk_binding_set_find (const gchar *set_name);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_bindings_activate (GObject *object,
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guint keyval,
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GdkModifierType modifiers);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_bindings_activate_event (GObject *object,
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GdkEventKey *event);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_binding_set_activate (GtkBindingSet *binding_set,
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guint keyval,
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GdkModifierType modifiers,
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GObject *object);
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GDK_AVAILABLE_IN_ALL
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void gtk_binding_entry_skip (GtkBindingSet *binding_set,
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guint keyval,
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GdkModifierType modifiers);
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GDK_AVAILABLE_IN_ALL
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void gtk_binding_entry_add_signal (GtkBindingSet *binding_set,
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guint keyval,
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GdkModifierType modifiers,
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const gchar *signal_name,
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guint n_args,
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...);
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GDK_AVAILABLE_IN_ALL
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void gtk_binding_entry_add_signall (GtkBindingSet *binding_set,
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guint keyval,
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GdkModifierType modifiers,
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const gchar *signal_name,
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GSList *binding_args);
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GDK_AVAILABLE_IN_ALL
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GTokenType gtk_binding_entry_add_signal_from_string
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(GtkBindingSet *binding_set,
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const gchar *signal_desc);
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GDK_AVAILABLE_IN_ALL
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void gtk_binding_entry_remove (GtkBindingSet *binding_set,
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guint keyval,
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GdkModifierType modifiers);
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G_END_DECLS
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#endif /* __GTK_BINDINGS_H__ */
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