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gtk2/gdk/gdkkeysprivate.h

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Explode gdkinternals.h into per-class private headers At the same time, move some more class and instance structs out of public headers.
2010-12-11 05:14:53 +00:00
/* 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
Change FSF Address
2012-02-27 13:01:10 +00:00
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
Explode gdkinternals.h into per-class private headers At the same time, move some more class and instance structs out of public headers.
2010-12-11 05:14:53 +00:00
*/
#ifndef __GDK_KEYS_PRIVATE_H__
#define __GDK_KEYS_PRIVATE_H__
#include "gdkkeys.h"
G_BEGIN_DECLS
gdk: Make GdkKeymap a private api We have replacement apis in GdkDevice and GdkDisplay.
2020-04-05 15:29:12 +00:00
#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))
Consistently hide class structs And, since we've decided to keep the structs private, there is no point in having the standard GObject clas macros anymore either.
2010-12-24 20:54:12 +00:00
#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))
gdk: Make GdkKeymap a private api We have replacement apis in GdkDevice and GdkDisplay.
2020-04-05 15:29:12 +00:00
typedef struct _GdkKeymap GdkKeymap;
Consistently hide class structs And, since we've decided to keep the structs private, there is no point in having the standard GObject clas macros anymore either.
2010-12-24 20:54:12 +00:00
typedef struct _GdkKeymapClass GdkKeymapClass;
Explode gdkinternals.h into per-class private headers At the same time, move some more class and instance structs out of public headers.
2010-12-11 05:14:53 +00:00
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);
gdkkeys: Add support to _get_scroll_lock_state() GdkKeymap already has support for _get_num_lock_state() and _get_caps_lock_state(). Adding _get_scroll_lock_state() would be good for completness and some backends (Windows?) could take advantage of this.
2015-04-14 11:25:38 +00:00
gboolean (* get_scroll_lock_state) (GdkKeymap *keymap);
Explode gdkinternals.h into per-class private headers At the same time, move some more class and instance structs out of public headers.
2010-12-11 05:14:53 +00:00
gboolean (* get_entries_for_keyval) (GdkKeymap *keymap,
guint keyval,
keymap: Cache key info We currently calling gdk_display_map_keyval up to once per key event per shortcut trigger, and that function does an expensive loop over the entire keymap and allocates an array. Avoid this by caching the entries in a single array, and have a lookup table for finding the entries for a keyval. To do this, change the GdkKeymap.get_entries_for_keyval signature, and change the ::keys-changed signal to be RUN_FIRST, since we want to clear the cache in the class handler before running signal handlers. These changes are possible now, since keymaps are no longer public API.
2020-04-30 04:33:06 +00:00
GArray *array);
Explode gdkinternals.h into per-class private headers At the same time, move some more class and instance structs out of public headers.
2010-12-11 05:14:53 +00:00
gboolean (* get_entries_for_keycode) (GdkKeymap *keymap,
guint hardware_keycode,
GdkKeymapKey **keys,
guint **keyvals,
gint *n_entries);
guint (* lookup_key) (GdkKeymap *keymap,
const GdkKeymapKey *key);
gboolean (* translate_keyboard_state) (GdkKeymap *keymap,
guint hardware_keycode,
GdkModifierType state,
gint group,
guint *keyval,
gint *effective_group,
gint *level,
GdkModifierType *consumed_modifiers);
Add a way to get the current modifier state Xkb makes this available to us, and it is useful if you want to do easter eggs that are triggered by Alt.
2012-02-20 23:30:44 +00:00
guint (* get_modifier_state) (GdkKeymap *keymap);
Explode gdkinternals.h into per-class private headers At the same time, move some more class and instance structs out of public headers.
2010-12-11 05:14:53 +00:00
/* Signals */
void (*direction_changed) (GdkKeymap *keymap);
void (*keys_changed) (GdkKeymap *keymap);
void (*state_changed) (GdkKeymap *keymap);
};
struct _GdkKeymap
{
GObject parent_instance;
GdkDisplay *display;
keymap: Cache key info We currently calling gdk_display_map_keyval up to once per key event per shortcut trigger, and that function does an expensive loop over the entire keymap and allocates an array. Avoid this by caching the entries in a single array, and have a lookup table for finding the entries for a keyval. To do this, change the GdkKeymap.get_entries_for_keyval signature, and change the ::keys-changed signal to be RUN_FIRST, since we want to clear the cache in the class handler before running signal handlers. These changes are possible now, since keymaps are no longer public API.
2020-04-30 04:33:06 +00:00
/* 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;
Explode gdkinternals.h into per-class private headers At the same time, move some more class and instance structs out of public headers.
2010-12-11 05:14:53 +00:00
};
gdk: Make GdkKeymap a private api We have replacement apis in GdkDevice and GdkDisplay.
2020-04-05 15:29:12 +00:00
GType gdk_keymap_get_type (void) G_GNUC_CONST;
GdkDisplay * gdk_keymap_get_display (GdkKeymap *keymap);
guint gdk_keymap_lookup_key (GdkKeymap *keymap,
const GdkKeymapKey *key);
gboolean gdk_keymap_translate_keyboard_state (GdkKeymap *keymap,
guint hardware_keycode,
GdkModifierType state,
gint group,
guint *keyval,
gint *effective_group,
gint *level,
GdkModifierType *consumed_modifiers);
gboolean gdk_keymap_get_entries_for_keyval (GdkKeymap *keymap,
guint keyval,
GdkKeymapKey **keys,
gint *n_keys);
gboolean gdk_keymap_get_entries_for_keycode (GdkKeymap *keymap,
guint hardware_keycode,
GdkKeymapKey **keys,
guint **keyvals,
gint *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);
keymap: Cache key info We currently calling gdk_display_map_keyval up to once per key event per shortcut trigger, and that function does an expensive loop over the entire keymap and allocates an array. Avoid this by caching the entries in a single array, and have a lookup table for finding the entries for a keyval. To do this, change the GdkKeymap.get_entries_for_keyval signature, and change the ::keys-changed signal to be RUN_FIRST, since we want to clear the cache in the class handler before running signal handlers. These changes are possible now, since keymaps are no longer public API.
2020-04-30 04:33:06 +00:00
void gdk_keymap_get_cached_entries_for_keyval (GdkKeymap *keymap,
guint keyval,
GdkKeymapKey **keys,
guint *n_keys);
Explode gdkinternals.h into per-class private headers At the same time, move some more class and instance structs out of public headers.
2010-12-11 05:14:53 +00:00
G_END_DECLS
#endif
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