ce3fa3938a
This removes the responsibility of tracking these from the backend to the base object. The backends are instead responsible for calling the function to update the values. For the native backend, it's important that this happens on the correct thread, so each time either of these states may change, post a idle callback on the main thread that sets the, at the time of queuing said callback, up to date state. This means that things on the main thread will always be able to get a "new enough but not too new" state when listening on the 'notify::' signals and getting the property value after. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1739>
152 lines
4.4 KiB
C
152 lines
4.4 KiB
C
/*
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* Copyright (C) 2018 Red Hat
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Author: Carlos Garnacho <carlosg@gnome.org>
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*/
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#include "config.h"
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#include "backends/meta-keymap-utils.h"
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#include "backends/native/meta-input-thread.h"
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#include "backends/native/meta-seat-impl.h"
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#include "backends/native/meta-seat-native.h"
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#include "clutter/clutter-keymap-private.h"
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static const char *option_xkb_layout = "us";
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static const char *option_xkb_variant = "";
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static const char *option_xkb_options = "";
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typedef struct _MetaKeymapNative MetaKeymapNative;
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struct _MetaKeymapNative
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{
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ClutterKeymap parent_instance;
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struct xkb_keymap *keymap;
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gboolean num_lock;
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gboolean caps_lock;
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};
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G_DEFINE_TYPE (MetaKeymapNative, meta_keymap_native,
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CLUTTER_TYPE_KEYMAP)
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static void
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meta_keymap_native_finalize (GObject *object)
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{
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MetaKeymapNative *keymap = META_KEYMAP_NATIVE (object);
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xkb_keymap_unref (keymap->keymap);
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G_OBJECT_CLASS (meta_keymap_native_parent_class)->finalize (object);
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}
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static PangoDirection
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meta_keymap_native_get_direction (ClutterKeymap *keymap)
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{
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return PANGO_DIRECTION_NEUTRAL;
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}
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static void
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meta_keymap_native_class_init (MetaKeymapNativeClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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ClutterKeymapClass *keymap_class = CLUTTER_KEYMAP_CLASS (klass);
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object_class->finalize = meta_keymap_native_finalize;
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keymap_class->get_direction = meta_keymap_native_get_direction;
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}
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static void
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meta_keymap_native_init (MetaKeymapNative *keymap)
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{
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struct xkb_context *ctx;
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struct xkb_rule_names names;
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names.rules = "evdev";
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names.model = "pc105";
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names.layout = option_xkb_layout;
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names.variant = option_xkb_variant;
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names.options = option_xkb_options;
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ctx = meta_create_xkb_context ();
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g_assert (ctx);
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keymap->keymap = xkb_keymap_new_from_names (ctx, &names, 0);
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xkb_context_unref (ctx);
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}
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void
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meta_keymap_native_set_keyboard_map_in_impl (MetaKeymapNative *keymap,
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struct xkb_keymap *xkb_keymap)
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{
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g_return_if_fail (xkb_keymap != NULL);
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if (keymap->keymap)
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xkb_keymap_unref (keymap->keymap);
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keymap->keymap = xkb_keymap_ref (xkb_keymap);
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}
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struct xkb_keymap *
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meta_keymap_native_get_keyboard_map_in_impl (MetaKeymapNative *keymap)
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{
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return keymap->keymap;
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}
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typedef struct
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{
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MetaKeymapNative *keymap_native;
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gboolean num_lock_state;
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gboolean caps_lock_state;
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} UpdateLockedModifierStateData;
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static gboolean
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update_locked_modifier_state_in_main (gpointer user_data)
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{
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UpdateLockedModifierStateData *data = user_data;
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clutter_keymap_set_lock_modifier_state (CLUTTER_KEYMAP (data->keymap_native),
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data->caps_lock_state,
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data->num_lock_state);
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return G_SOURCE_REMOVE;
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}
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void
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meta_keymap_native_update_in_impl (MetaKeymapNative *keymap_native,
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MetaSeatImpl *seat_impl,
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struct xkb_state *xkb_state)
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{
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UpdateLockedModifierStateData *data;
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data = g_new0 (UpdateLockedModifierStateData, 1);
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data->keymap_native = keymap_native;
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data->num_lock_state =
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xkb_state_mod_name_is_active (xkb_state,
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XKB_MOD_NAME_NUM,
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XKB_STATE_MODS_LATCHED |
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XKB_STATE_MODS_LOCKED);
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data->caps_lock_state =
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xkb_state_mod_name_is_active (xkb_state,
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XKB_MOD_NAME_CAPS,
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XKB_STATE_MODS_LATCHED |
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XKB_STATE_MODS_LOCKED);
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meta_seat_impl_queue_main_thread_idle (seat_impl,
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update_locked_modifier_state_in_main,
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data, g_free);
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}
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