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backends: Unify cursor visibility checks

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Instead of having device type checks spread around, unify cursor
visibility dependent on device availability on a single function.
This commit is contained in:
Carlos Garnacho 2018-11-02 15:49:01 +01:00
parent 92cccf53df
commit 0fea0e383c
1 changed files with 16 additions and 38 deletions
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50
src/backends/meta-backend.c
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@ -293,13 +293,6 @@ on_device_added (ClutterDeviceManager *device_manager,
create_device_monitor (backend, device_id);
}
static inline gboolean
device_is_slave_touchscreen (ClutterInputDevice *device)
{
return (clutter_input_device_get_device_mode (device) != CLUTTER_INPUT_MODE_MASTER &&
clutter_input_device_get_device_type (device) == CLUTTER_TOUCHSCREEN_DEVICE);
}
static inline gboolean
check_has_pointing_device (ClutterDeviceManager *manager)
{
@ -324,9 +317,10 @@ check_has_pointing_device (ClutterDeviceManager *manager)
}
static inline gboolean
check_has_slave_touchscreen (ClutterDeviceManager *manager)
check_pointer_visibility (ClutterDeviceManager *manager)
{
const GSList *devices;
gboolean pointer_visible = TRUE;
devices = clutter_device_manager_peek_devices (manager);
@ -336,10 +330,13 @@ check_has_slave_touchscreen (ClutterDeviceManager *manager)
if (clutter_input_device_get_device_mode (device) != CLUTTER_INPUT_MODE_MASTER &&
clutter_input_device_get_device_type (device) == CLUTTER_TOUCHSCREEN_DEVICE)
return TRUE;
{
pointer_visible = FALSE;
break;
}
}
return FALSE;
return pointer_visible;
}
static void
@ -359,26 +356,16 @@ on_device_removed (ClutterDeviceManager *device_manager,
if (priv->current_device_id == device_id)
{
MetaCursorTracker *cursor_tracker = priv->cursor_tracker;
gboolean has_touchscreen, has_pointing_device;
ClutterInputDeviceType device_type;
gboolean pointer_hidden, has_pointing_device;
priv->current_device_id = 0;
device_type = clutter_input_device_get_device_type (device);
has_touchscreen = check_has_slave_touchscreen (device_manager);
if (device_type == CLUTTER_TOUCHSCREEN_DEVICE && has_touchscreen)
{
/* There's more touchscreens left, keep the pointer hidden */
meta_cursor_tracker_set_pointer_visible (cursor_tracker, FALSE);
}
else if (device_type != CLUTTER_KEYBOARD_DEVICE)
{
pointer_hidden = !check_pointer_visibility (device_manager);
has_pointing_device = check_has_pointing_device (device_manager);
meta_cursor_tracker_set_pointer_visible (cursor_tracker,
has_pointing_device &&
!has_touchscreen);
}
!pointer_hidden);
}
}
@ -405,20 +392,11 @@ set_initial_pointer_visibility (MetaBackend *backend,
ClutterDeviceManager *device_manager)
{
MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
const GSList *devices;
const GSList *l;
gboolean has_touchscreen = FALSE;
devices = clutter_device_manager_peek_devices (device_manager);
for (l = devices; l; l = l->next)
{
ClutterInputDevice *device = l->data;
has_touchscreen |= device_is_slave_touchscreen (device);
}
gboolean pointer_visible;
pointer_visible = check_pointer_visibility (device_manager);
meta_cursor_tracker_set_pointer_visible (priv->cursor_tracker,
!has_touchscreen);
pointer_visible);
}
static MetaInputSettings *