gtk2/gdk/gdkkeysprivate.h
2022-07-16 09:43:46 -04:00

127 lines
6.1 KiB
C

/* GDK - The GIMP Drawing Kit
* Copyright (C) 2010 Red Hat, Inc
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GDK_KEYS_PRIVATE_H__
#define __GDK_KEYS_PRIVATE_H__
#include "gdkkeys.h"
#include "gdkenums.h"
G_BEGIN_DECLS
#define GDK_TYPE_KEYMAP (gdk_keymap_get_type ())
#define GDK_KEYMAP(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_KEYMAP, GdkKeymap))
#define GDK_IS_KEYMAP(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_KEYMAP))
#define GDK_KEYMAP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_KEYMAP, GdkKeymapClass))
#define GDK_IS_KEYMAP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_KEYMAP))
#define GDK_KEYMAP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_KEYMAP, GdkKeymapClass))
typedef struct _GdkKeymap GdkKeymap;
typedef struct _GdkKeymapClass GdkKeymapClass;
struct _GdkKeymapClass
{
GObjectClass parent_class;
PangoDirection (* get_direction) (GdkKeymap *keymap);
gboolean (* have_bidi_layouts) (GdkKeymap *keymap);
gboolean (* get_caps_lock_state) (GdkKeymap *keymap);
gboolean (* get_num_lock_state) (GdkKeymap *keymap);
gboolean (* get_scroll_lock_state) (GdkKeymap *keymap);
gboolean (* get_entries_for_keyval) (GdkKeymap *keymap,
guint keyval,
GArray *array);
gboolean (* get_entries_for_keycode) (GdkKeymap *keymap,
guint hardware_keycode,
GdkKeymapKey **keys,
guint **keyvals,
int *n_entries);
guint (* lookup_key) (GdkKeymap *keymap,
const GdkKeymapKey *key);
gboolean (* translate_keyboard_state) (GdkKeymap *keymap,
guint hardware_keycode,
GdkModifierType state,
int group,
guint *keyval,
int *effective_group,
int *level,
GdkModifierType *consumed_modifiers);
guint (* get_modifier_state) (GdkKeymap *keymap);
/* Signals */
void (*direction_changed) (GdkKeymap *keymap);
void (*keys_changed) (GdkKeymap *keymap);
void (*state_changed) (GdkKeymap *keymap);
};
struct _GdkKeymap
{
GObject parent_instance;
GdkDisplay *display;
/* We cache an array of GdkKeymapKey entries for keyval -> keycode
* lookup. Position 0 is unused.
*
* The hash table maps keyvals to values that have the number of keys
* in the low 8 bits, and the position in the array in the rest.
*
* The cache is cleared before ::keys-changed is emitted.
*/
GArray *cached_keys;
GHashTable *cache;
};
GType gdk_keymap_get_type (void) G_GNUC_CONST;
guint gdk_keymap_lookup_key (GdkKeymap *keymap,
const GdkKeymapKey *key);
gboolean gdk_keymap_translate_keyboard_state (GdkKeymap *keymap,
guint hardware_keycode,
GdkModifierType state,
int group,
guint *keyval,
int *effective_group,
int *level,
GdkModifierType *consumed_modifiers);
gboolean gdk_keymap_get_entries_for_keyval (GdkKeymap *keymap,
guint keyval,
GdkKeymapKey **keys,
int *n_keys);
gboolean gdk_keymap_get_entries_for_keycode (GdkKeymap *keymap,
guint hardware_keycode,
GdkKeymapKey **keys,
guint **keyvals,
int *n_entries);
PangoDirection gdk_keymap_get_direction (GdkKeymap *keymap);
gboolean gdk_keymap_have_bidi_layouts (GdkKeymap *keymap);
gboolean gdk_keymap_get_caps_lock_state (GdkKeymap *keymap);
gboolean gdk_keymap_get_num_lock_state (GdkKeymap *keymap);
gboolean gdk_keymap_get_scroll_lock_state (GdkKeymap *keymap);
guint gdk_keymap_get_modifier_state (GdkKeymap *keymap);
void gdk_keymap_get_cached_entries_for_keyval (GdkKeymap *keymap,
guint keyval,
GdkKeymapKey **keys,
guint *n_keys);
G_END_DECLS
#endif