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backends: Add mouse accessibility settings

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Add support for mouse accessibility settings to set the click assist
values.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/512
This commit is contained in:
Olivier Fourdan 2019-03-06 08:49:54 +01:00
parent 1d76eace1e
commit a3b86447f7
1 changed files with 103 additions and 0 deletions
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103
src/backends/meta-input-settings.c
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@ -77,6 +77,7 @@ struct _MetaInputSettingsPrivate
GSettings *keyboard_settings;
GSettings *gsd_settings;
GSettings *keyboard_a11y_settings;
GSettings *mouse_a11y_settings;
GHashTable *mappable_devices;
@ -162,6 +163,7 @@ meta_input_settings_dispose (GObject *object)
g_clear_object (&priv->keyboard_settings);
g_clear_object (&priv->gsd_settings);
g_clear_object (&priv->keyboard_a11y_settings);
g_clear_object (&priv->mouse_a11y_settings);
g_clear_object (&priv->input_mapper);
g_clear_pointer (&priv->mappable_devices, g_hash_table_unref);
g_clear_pointer (&priv->current_tools, g_hash_table_unref);
@ -1275,6 +1277,102 @@ meta_input_keyboard_a11y_settings_changed (GSettings *settings,
load_keyboard_a11y_settings (input_settings, NULL);
}
struct _pointer_a11y_settings_flags_pair {
const char *name;
ClutterPointerA11yFlags flag;
} pointer_a11y_settings_flags_pair[] = {
{ "secondary-click-enabled", CLUTTER_A11Y_SECONDARY_CLICK_ENABLED },
{ "dwell-click-enabled", CLUTTER_A11Y_DWELL_ENABLED },
};
static ClutterPointerA11yDwellDirection
pointer_a11y_dwell_direction_from_setting (MetaInputSettings *input_settings,
const char *key)
{
MetaInputSettingsPrivate *priv = meta_input_settings_get_instance_private (input_settings);
GDesktopMouseDwellDirection dwell_gesture_direction;
dwell_gesture_direction = g_settings_get_enum (priv->mouse_a11y_settings, key);
switch (dwell_gesture_direction)
{
case G_DESKTOP_MOUSE_DWELL_DIRECTION_LEFT:
return CLUTTER_A11Y_DWELL_DIRECTION_LEFT;
break;
case G_DESKTOP_MOUSE_DWELL_DIRECTION_RIGHT:
return CLUTTER_A11Y_DWELL_DIRECTION_RIGHT;
break;
case G_DESKTOP_MOUSE_DWELL_DIRECTION_UP:
return CLUTTER_A11Y_DWELL_DIRECTION_UP;
break;
case G_DESKTOP_MOUSE_DWELL_DIRECTION_DOWN:
return CLUTTER_A11Y_DWELL_DIRECTION_DOWN;
break;
default:
break;
}
return CLUTTER_A11Y_DWELL_DIRECTION_NONE;
}
static void
load_pointer_a11y_settings (MetaInputSettings *input_settings,
ClutterInputDevice *device)
{
MetaInputSettingsPrivate *priv = meta_input_settings_get_instance_private (input_settings);
ClutterPointerA11ySettings pointer_a11y_settings;
ClutterInputDevice *core_pointer;
GDesktopMouseDwellMode dwell_mode;
guint i;
core_pointer = clutter_device_manager_get_core_device (priv->device_manager, CLUTTER_POINTER_DEVICE);
if (device && device != core_pointer)
return;
clutter_device_manager_get_pointer_a11y_settings (priv->device_manager, &pointer_a11y_settings);
pointer_a11y_settings.controls = 0;
for (i = 0; i < G_N_ELEMENTS (pointer_a11y_settings_flags_pair); i++)
{
if (g_settings_get_boolean (priv->mouse_a11y_settings, pointer_a11y_settings_flags_pair[i].name))
pointer_a11y_settings.controls |= pointer_a11y_settings_flags_pair[i].flag;
}
/* "secondary-click-time" is expressed in seconds */
pointer_a11y_settings.secondary_click_delay =
(1000 * g_settings_get_double (priv->mouse_a11y_settings, "secondary-click-time"));
/* "dwell-time" is expressed in seconds */
pointer_a11y_settings.dwell_delay =
(1000 * g_settings_get_double (priv->mouse_a11y_settings, "dwell-time"));
pointer_a11y_settings.dwell_threshold = g_settings_get_int (priv->mouse_a11y_settings,
"dwell-threshold");
dwell_mode = g_settings_get_enum (priv->mouse_a11y_settings, "dwell-mode");
if (dwell_mode == G_DESKTOP_MOUSE_DWELL_MODE_WINDOW)
pointer_a11y_settings.dwell_mode = CLUTTER_A11Y_DWELL_MODE_WINDOW;
else
pointer_a11y_settings.dwell_mode = CLUTTER_A11Y_DWELL_MODE_GESTURE;
pointer_a11y_settings.dwell_gesture_single =
pointer_a11y_dwell_direction_from_setting (input_settings, "dwell-gesture-single");
pointer_a11y_settings.dwell_gesture_double =
pointer_a11y_dwell_direction_from_setting (input_settings, "dwell-gesture-double");
pointer_a11y_settings.dwell_gesture_drag =
pointer_a11y_dwell_direction_from_setting (input_settings, "dwell-gesture-drag");
pointer_a11y_settings.dwell_gesture_secondary =
pointer_a11y_dwell_direction_from_setting (input_settings, "dwell-gesture-secondary");
clutter_device_manager_set_pointer_a11y_settings (priv->device_manager, &pointer_a11y_settings);
}
static void
meta_input_mouse_a11y_settings_changed (GSettings *settings,
const char *key,
gpointer user_data)
{
MetaInputSettings *input_settings = META_INPUT_SETTINGS (user_data);
load_pointer_a11y_settings (input_settings, NULL);
}
static GSettings *
lookup_device_settings (ClutterInputDevice *device)
{
@ -1556,6 +1654,7 @@ apply_device_settings (MetaInputSettings *input_settings,
priv->trackball_settings,
device);
load_keyboard_a11y_settings (input_settings, device);
load_pointer_a11y_settings (input_settings, device);
}
static void
@ -1862,6 +1961,10 @@ meta_input_settings_init (MetaInputSettings *settings)
g_signal_connect (priv->device_manager, "kbd-a11y-flags-changed",
G_CALLBACK (on_keyboard_a11y_settings_changed), settings);
priv->mouse_a11y_settings = g_settings_new ("org.gnome.desktop.a11y.mouse");
g_signal_connect (priv->mouse_a11y_settings, "changed",
G_CALLBACK (meta_input_mouse_a11y_settings_changed), settings);
priv->mappable_devices =
g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify) device_mapping_info_free);