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clutter/keymap: Make caps and num lock state properties

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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>
This commit is contained in:
Jonas Ådahl 2021-02-23 09:03:35 +01:00 committed by Marge Bot
parent 26912523fa
commit ce3fa3938a
8 changed files with 217 additions and 67 deletions
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31
clutter/clutter/clutter-keymap-private.h Normal file
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@ -0,0 +1,31 @@
/*
* Copyright (C) 2021 Red Hat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
*/
#ifndef CLUTTER_KEYMAP_PRIVATE_H
#define CLUTTER_KEYMAP_PRIVATE_H
#include "clutter/clutter-keymap.h"
CLUTTER_EXPORT
void clutter_keymap_set_lock_modifier_state (ClutterKeymap *keymap,
gboolean caps_lock_state,
gboolean num_lock_state);
#endif /* CLUTTER_KEYMAP_PRIVATE_H */

130
clutter/clutter/clutter-keymap.c
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@ -21,10 +21,29 @@
#include "clutter-build-config.h"
#include "clutter-keymap.h"
#include "clutter-keymap-private.h"
#include "clutter-private.h"
G_DEFINE_ABSTRACT_TYPE (ClutterKeymap, clutter_keymap, G_TYPE_OBJECT)
enum
{
PROP_0,
PROP_CAPS_LOCK_STATE,
PROP_NUM_LOCK_STATE,
N_PROPS
};
static GParamSpec *obj_props[N_PROPS];
typedef struct _ClutterKeymapPrivate
{
gboolean caps_lock_state;
gboolean num_lock_state;
} ClutterKeymapPrivate;
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (ClutterKeymap, clutter_keymap,
G_TYPE_OBJECT)
enum
{
@ -34,9 +53,76 @@ enum
static guint signals[N_SIGNALS] = { 0, };
static void
clutter_keymap_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
ClutterKeymap *keymap = CLUTTER_KEYMAP (object);
ClutterKeymapPrivate *priv = clutter_keymap_get_instance_private (keymap);
switch (prop_id)
{
case PROP_CAPS_LOCK_STATE:
g_value_set_boolean (value, priv->caps_lock_state);
break;
case PROP_NUM_LOCK_STATE:
g_value_set_boolean (value, priv->num_lock_state);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
clutter_keymap_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
ClutterKeymap *keymap = CLUTTER_KEYMAP (object);
ClutterKeymapPrivate *priv = clutter_keymap_get_instance_private (keymap);
switch (prop_id)
{
case PROP_CAPS_LOCK_STATE:
priv->caps_lock_state = g_value_get_boolean (value);
break;
case PROP_NUM_LOCK_STATE:
priv->num_lock_state = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
clutter_keymap_class_init (ClutterKeymapClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = clutter_keymap_get_property;
object_class->set_property = clutter_keymap_set_property;
obj_props[PROP_CAPS_LOCK_STATE] =
g_param_spec_boolean ("caps-lock-state",
"Caps lock state",
"Caps lock state",
FALSE,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
obj_props[PROP_NUM_LOCK_STATE] =
g_param_spec_boolean ("num-lock-state",
"Num lock state",
"Num lock state",
FALSE,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, obj_props);
signals[STATE_CHANGED] =
g_signal_new (I_("state-changed"),
G_TYPE_FROM_CLASS (klass),
@ -54,13 +140,17 @@ clutter_keymap_init (ClutterKeymap *keymap)
gboolean
clutter_keymap_get_num_lock_state (ClutterKeymap *keymap)
{
return CLUTTER_KEYMAP_GET_CLASS (keymap)->get_num_lock_state (keymap);
ClutterKeymapPrivate *priv = clutter_keymap_get_instance_private (keymap);
return priv->num_lock_state;
}
gboolean
clutter_keymap_get_caps_lock_state (ClutterKeymap *keymap)
{
return CLUTTER_KEYMAP_GET_CLASS (keymap)->get_caps_lock_state (keymap);
ClutterKeymapPrivate *priv = clutter_keymap_get_instance_private (keymap);
return priv->caps_lock_state;
}
PangoDirection
@ -68,3 +158,35 @@ clutter_keymap_get_direction (ClutterKeymap *keymap)
{
return CLUTTER_KEYMAP_GET_CLASS (keymap)->get_direction (keymap);
}
void
clutter_keymap_set_lock_modifier_state (ClutterKeymap *keymap,
gboolean caps_lock_state,
gboolean num_lock_state)
{
ClutterKeymapPrivate *priv = clutter_keymap_get_instance_private (keymap);
if (priv->caps_lock_state == caps_lock_state &&
priv->num_lock_state == num_lock_state)
return;
if (priv->caps_lock_state != caps_lock_state)
{
priv->caps_lock_state = caps_lock_state;
g_object_notify_by_pspec (G_OBJECT (keymap),
obj_props[PROP_CAPS_LOCK_STATE]);
}
if (priv->num_lock_state != num_lock_state)
{
priv->num_lock_state = num_lock_state;
g_object_notify_by_pspec (G_OBJECT (keymap),
obj_props[PROP_NUM_LOCK_STATE]);
}
g_debug ("Locks state changed - Num: %s, Caps: %s",
priv->num_lock_state ? "set" : "unset",
priv->caps_lock_state ? "set" : "unset");
g_signal_emit (keymap, signals[STATE_CHANGED], 0);
}

2
clutter/clutter/clutter-keymap.h
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@ -38,8 +38,6 @@ struct _ClutterKeymapClass
{
GObjectClass parent_class;
gboolean (* get_num_lock_state) (ClutterKeymap *keymap);
gboolean (* get_caps_lock_state) (ClutterKeymap *keymap);
PangoDirection (* get_direction) (ClutterKeymap *keymap);
};

1
clutter/clutter/meson.build
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@ -204,6 +204,7 @@ clutter_private_headers = [
'clutter-input-focus-private.h',
'clutter-input-method-private.h',
'clutter-input-pointer-a11y-private.h',
'clutter-keymap-private.h',
'clutter-offscreen-effect-private.h',
'clutter-paint-context-private.h',
'clutter-paint-node-private.h',

54
src/backends/native/meta-keymap-native.c
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@ -23,7 +23,9 @@
#include "backends/meta-keymap-utils.h"
#include "backends/native/meta-input-thread.h"
#include "backends/native/meta-seat-impl.h"
#include "backends/native/meta-seat-native.h"
#include "clutter/clutter-keymap-private.h"
static const char *option_xkb_layout = "us";
static const char *option_xkb_variant = "";
@ -53,22 +55,6 @@ meta_keymap_native_finalize (GObject *object)
G_OBJECT_CLASS (meta_keymap_native_parent_class)->finalize (object);
}
static gboolean
meta_keymap_native_get_num_lock_state (ClutterKeymap *keymap)
{
MetaKeymapNative *keymap_native = META_KEYMAP_NATIVE (keymap);
return keymap_native->num_lock;
}
static gboolean
meta_keymap_native_get_caps_lock_state (ClutterKeymap *keymap)
{
MetaKeymapNative *keymap_native = META_KEYMAP_NATIVE (keymap);
return keymap_native->caps_lock;
}
static PangoDirection
meta_keymap_native_get_direction (ClutterKeymap *keymap)
{
@ -83,8 +69,6 @@ meta_keymap_native_class_init (MetaKeymapNativeClass *klass)
object_class->finalize = meta_keymap_native_finalize;
keymap_class->get_num_lock_state = meta_keymap_native_get_num_lock_state;
keymap_class->get_caps_lock_state = meta_keymap_native_get_caps_lock_state;
keymap_class->get_direction = meta_keymap_native_get_direction;
}
@ -123,18 +107,46 @@ meta_keymap_native_get_keyboard_map_in_impl (MetaKeymapNative *keymap)
return keymap->keymap;
}
typedef struct
{
MetaKeymapNative *keymap_native;
gboolean num_lock_state;
gboolean caps_lock_state;
} UpdateLockedModifierStateData;
static gboolean
update_locked_modifier_state_in_main (gpointer user_data)
{
UpdateLockedModifierStateData *data = user_data;
clutter_keymap_set_lock_modifier_state (CLUTTER_KEYMAP (data->keymap_native),
data->caps_lock_state,
data->num_lock_state);
return G_SOURCE_REMOVE;
}
void
meta_keymap_native_update_in_impl (MetaKeymapNative *keymap,
meta_keymap_native_update_in_impl (MetaKeymapNative *keymap_native,
MetaSeatImpl *seat_impl,
struct xkb_state *xkb_state)
{
keymap->num_lock =
UpdateLockedModifierStateData *data;
data = g_new0 (UpdateLockedModifierStateData, 1);
data->keymap_native = keymap_native;
data->num_lock_state =
xkb_state_mod_name_is_active (xkb_state,
XKB_MOD_NAME_NUM,
XKB_STATE_MODS_LATCHED |
XKB_STATE_MODS_LOCKED);
keymap->caps_lock =
data->caps_lock_state =
xkb_state_mod_name_is_active (xkb_state,
XKB_MOD_NAME_CAPS,
XKB_STATE_MODS_LATCHED |
XKB_STATE_MODS_LOCKED);
meta_seat_impl_queue_main_thread_idle (seat_impl,
update_locked_modifier_state_in_main,
data, g_free);
}

1
src/backends/native/meta-keymap-native.h
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@ -37,6 +37,7 @@ void meta_keymap_native_set_keyboard_map_in_impl (MetaKeymapNative *keymap,
struct xkb_keymap *xkb_keymap);
struct xkb_keymap * meta_keymap_native_get_keyboard_map_in_impl (MetaKeymapNative *keymap);
void meta_keymap_native_update_in_impl (MetaKeymapNative *keymap,
MetaSeatImpl *seat_impl,
struct xkb_state *xkb_state);
#endif /* META_KEYMAP_NATIVE_H */

17
src/backends/native/meta-seat-impl.c
View File

@ -434,8 +434,9 @@ meta_seat_impl_notify_key_in_impl (MetaSeatImpl *seat_impl,
MetaInputDeviceNative *keyboard_native;
gboolean numlock_active;
meta_keymap_native_update_in_impl (seat_impl->keymap, seat_impl->xkb);
emit_signal (seat_impl, signals[MODS_STATE_CHANGED], NULL, 0);
meta_keymap_native_update_in_impl (seat_impl->keymap,
seat_impl,
seat_impl->xkb);
meta_seat_impl_sync_leds_in_impl (seat_impl);
numlock_active =
@ -2646,7 +2647,9 @@ meta_seat_impl_set_keyboard_numlock_in_impl (MetaSeatImpl *seat_impl,
group_mods);
meta_seat_impl_sync_leds_in_impl (seat_impl);
meta_keymap_native_update_in_impl (seat_impl->keymap, seat_impl->xkb);
meta_keymap_native_update_in_impl (seat_impl->keymap,
seat_impl,
seat_impl->xkb);
}
static gpointer
@ -3158,7 +3161,9 @@ meta_seat_impl_update_xkb_state_in_impl (MetaSeatImpl *seat_impl)
xkb_keymap_led_get_index (xkb_keymap, XKB_LED_NAME_SCROLL);
meta_seat_impl_sync_leds_in_impl (seat_impl);
meta_keymap_native_update_in_impl (seat_impl->keymap, seat_impl->xkb);
meta_keymap_native_update_in_impl (seat_impl->keymap,
seat_impl,
seat_impl->xkb);
g_rw_lock_writer_unlock (&seat_impl->state_lock);
}
@ -3319,7 +3324,9 @@ set_keyboard_layout_index (GTask *task)
locked_mods = xkb_state_serialize_mods (state, XKB_STATE_MODS_LOCKED);
xkb_state_update_mask (state, depressed_mods, latched_mods, locked_mods, 0, 0, idx);
meta_keymap_native_update_in_impl (seat_impl->keymap, seat_impl->xkb);
meta_keymap_native_update_in_impl (seat_impl->keymap,
seat_impl,
seat_impl->xkb);
seat_impl->layout_idx = idx;

48
src/backends/x11/meta-keymap-x11.c
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@ -30,6 +30,7 @@
#include "backends/meta-input-settings-private.h"
#include "backends/x11/meta-keymap-x11.h"
#include "clutter/clutter.h"
#include "clutter/clutter-keymap-private.h"
#include "clutter/clutter-mutter.h"
#include "clutter/x11/clutter-x11.h"
@ -80,8 +81,6 @@ struct _MetaKeymapX11
uint32_t keymap_serial;
uint32_t caps_lock_state : 1;
uint32_t num_lock_state : 1;
uint32_t has_direction : 1;
uint32_t use_xkb : 1;
@ -205,23 +204,20 @@ static void
update_locked_mods (MetaKeymapX11 *keymap_x11,
int locked_mods)
{
gboolean old_caps_lock_state, old_num_lock_state;
ClutterKeymap *keymap = CLUTTER_KEYMAP (keymap_x11);
gboolean caps_lock_state;
gboolean num_lock_state;
gboolean old_num_lock_state;
old_caps_lock_state = keymap_x11->caps_lock_state;
old_num_lock_state = keymap_x11->num_lock_state;
caps_lock_state = !!(locked_mods & CLUTTER_LOCK_MASK);
num_lock_state = !!(locked_mods & keymap_x11->num_lock_mask);
keymap_x11->caps_lock_state = (locked_mods & CLUTTER_LOCK_MASK) != 0;
keymap_x11->num_lock_state = (locked_mods & keymap_x11->num_lock_mask) != 0;
old_num_lock_state = clutter_keymap_get_num_lock_state (keymap);
clutter_keymap_set_lock_modifier_state (CLUTTER_KEYMAP (keymap_x11),
caps_lock_state,
num_lock_state);
g_debug ("Locks state changed - Num: %s, Caps: %s",
keymap_x11->num_lock_state ? "set" : "unset",
keymap_x11->caps_lock_state ? "set" : "unset");
if ((keymap_x11->caps_lock_state != old_caps_lock_state) ||
(keymap_x11->num_lock_state != old_num_lock_state))
g_signal_emit_by_name (keymap_x11, "state-changed");
if (keymap_x11->num_lock_state != old_num_lock_state)
if (num_lock_state != old_num_lock_state)
{
MetaBackend *backend;
MetaInputSettings *input_settings;
@ -232,7 +228,7 @@ update_locked_mods (MetaKeymapX11 *keymap_x11,
if (input_settings)
{
meta_input_settings_maybe_save_numlock_state (input_settings,
keymap_x11->num_lock_state);
num_lock_state);
}
}
}
@ -516,22 +512,6 @@ meta_keymap_x11_finalize (GObject *object)
G_OBJECT_CLASS (meta_keymap_x11_parent_class)->finalize (object);
}
static gboolean
meta_keymap_x11_get_num_lock_state (ClutterKeymap *keymap)
{
MetaKeymapX11 *keymap_x11 = META_KEYMAP_X11 (keymap);
return keymap_x11->num_lock_state;
}
static gboolean
meta_keymap_x11_get_caps_lock_state (ClutterKeymap *keymap)
{
MetaKeymapX11 *keymap_x11 = META_KEYMAP_X11 (keymap);
return keymap_x11->caps_lock_state;
}
static PangoDirection
meta_keymap_x11_get_direction (ClutterKeymap *keymap)
{
@ -577,8 +557,6 @@ meta_keymap_x11_class_init (MetaKeymapX11Class *klass)
gobject_class->set_property = meta_keymap_x11_set_property;
gobject_class->finalize = meta_keymap_x11_finalize;
keymap_class->get_num_lock_state = meta_keymap_x11_get_num_lock_state;
keymap_class->get_caps_lock_state = meta_keymap_x11_get_caps_lock_state;
keymap_class->get_direction = meta_keymap_x11_get_direction;
g_object_class_install_properties (gobject_class, PROP_LAST, obj_props);