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MetaInputSettings: allow edge scrolling without 2fg capable devices

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We should only force edge scrolling off if two finger is enabled *and*
we actually have two finger capable devices.

https://bugzilla.gnome.org/show_bug.cgi?id=778554
This commit is contained in:
Rui Matos
2017-02-13 14:06:35 +01:00
parent 191525cdb4
commit 90923903ae
4 changed files with 75 additions and 1 deletions
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40
src/backends/meta-input-settings.c
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@ -74,6 +74,8 @@ struct _MetaInputSettingsPrivate
#ifdef HAVE_LIBWACOM
WacomDeviceDatabase *wacom_db;
#endif
GHashTable *two_finger_devices;
};
typedef void (*ConfigBoolFunc) (MetaInputSettings *input_settings,
@ -141,6 +143,8 @@ meta_input_settings_dispose (GObject *object)
libwacom_database_destroy (priv->wacom_db);
#endif
g_clear_pointer (&priv->two_finger_devices, g_hash_table_destroy);
G_OBJECT_CLASS (meta_input_settings_parent_class)->dispose (object);
}
@ -477,6 +481,7 @@ update_touchpad_edge_scroll (MetaInputSettings *input_settings,
MetaInputSettingsClass *input_settings_class;
gboolean edge_scroll_enabled;
gboolean two_finger_scroll_enabled;
gboolean two_finger_scroll_available;
MetaInputSettingsPrivate *priv;
if (device &&
@ -487,9 +492,10 @@ update_touchpad_edge_scroll (MetaInputSettings *input_settings,
input_settings_class = META_INPUT_SETTINGS_GET_CLASS (input_settings);
edge_scroll_enabled = g_settings_get_boolean (priv->touchpad_settings, "edge-scrolling-enabled");
two_finger_scroll_enabled = g_settings_get_boolean (priv->touchpad_settings, "two-finger-scrolling-enabled");
two_finger_scroll_available = g_hash_table_size (priv->two_finger_devices) > 0;
/* If both are enabled we prefer two finger. */
if (edge_scroll_enabled && two_finger_scroll_enabled)
if (edge_scroll_enabled && two_finger_scroll_enabled && two_finger_scroll_available)
edge_scroll_enabled = FALSE;
if (device)
@ -1268,6 +1274,23 @@ apply_stylus_settings (MetaInputSettings *input_settings,
update_stylus_buttonmap (input_settings, device, tool);
}
static void
evaluate_two_finger_scrolling (MetaInputSettings *input_settings,
ClutterInputDevice *device)
{
MetaInputSettingsClass *klass;
MetaInputSettingsPrivate *priv;
if (clutter_input_device_get_device_type (device) != CLUTTER_TOUCHPAD_DEVICE)
return;
klass = META_INPUT_SETTINGS_GET_CLASS (input_settings);
priv = meta_input_settings_get_instance_private (input_settings);
if (klass->has_two_finger_scroll (input_settings, device))
g_hash_table_add (priv->two_finger_devices, device);
}
static void
meta_input_settings_device_added (ClutterDeviceManager *device_manager,
ClutterInputDevice *device,
@ -1276,6 +1299,8 @@ meta_input_settings_device_added (ClutterDeviceManager *device_manager,
if (clutter_input_device_get_device_mode (device) == CLUTTER_INPUT_MODE_MASTER)
return;
evaluate_two_finger_scrolling (input_settings, device);
apply_device_settings (input_settings, device);
check_add_mappable_device (input_settings, device);
}
@ -1289,6 +1314,10 @@ meta_input_settings_device_removed (ClutterDeviceManager *device_manager,
priv = meta_input_settings_get_instance_private (input_settings);
g_hash_table_remove (priv->mappable_devices, device);
if (g_hash_table_remove (priv->two_finger_devices, device) &&
g_hash_table_size (priv->two_finger_devices) == 0)
apply_device_settings (input_settings, NULL);
}
static void
@ -1327,6 +1356,13 @@ static void
meta_input_settings_constructed (GObject *object)
{
MetaInputSettings *input_settings = META_INPUT_SETTINGS (object);
GSList *devices, *d;
devices = meta_input_settings_get_devices (input_settings, CLUTTER_TOUCHPAD_DEVICE);
for (d = devices; d; d = d->next)
evaluate_two_finger_scrolling (input_settings, d->data);
g_slist_free (devices);
apply_device_settings (input_settings, NULL);
update_keyboard_repeat (input_settings);
@ -1390,6 +1426,8 @@ meta_input_settings_init (MetaInputSettings *settings)
"expect tablets to misbehave");
}
#endif
priv->two_finger_devices = g_hash_table_new (NULL, NULL);
}
MetaInputSettings *