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clutter/input-pointer-a11y: Trigger dwell detection in a timeout

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Restarting the dwell click immediately would result in a contant
animation showing.

Start dwell detection in its own timeout handler, which has the nice
effect of not constantly showing a dwell animation and also making sure
that the dwell click timeout is started when pointer movement stops.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/747
This commit is contained in:
Olivier Fourdan 2019-08-23 15:39:12 +03:00
parent 9b3b5badfb
commit 14e02635ff
2 changed files with 37 additions and 1 deletions
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1
clutter/clutter/clutter-device-manager-private.h
View File

@ -80,6 +80,7 @@ typedef struct _ClutterPtrA11yData
gboolean dwell_drag_started;
gboolean dwell_gesture_started;
guint dwell_timer;
guint dwell_position_timer;
guint secondary_click_timer;
gboolean secondary_click_triggered;

37
clutter/clutter/clutter-input-pointer-a11y.c
View File

@ -518,6 +518,36 @@ stop_dwell_timeout (ClutterInputDevice *device)
}
}
static gboolean
trigger_dwell_position_timeout (gpointer data)
{
ClutterInputDevice *device = data;
device->ptr_a11y_data->dwell_position_timer = 0;
if (is_dwell_click_enabled (device))
{
if (!pointer_has_moved (device))
start_dwell_timeout (device);
}
return G_SOURCE_REMOVE;
}
static void
start_dwell_position_timeout (ClutterInputDevice *device)
{
device->ptr_a11y_data->dwell_position_timer =
clutter_threads_add_timeout (100, trigger_dwell_position_timeout, device);
}
static void
stop_dwell_position_timeout (ClutterInputDevice *device)
{
g_clear_handle_id (&device->ptr_a11y_data->dwell_position_timer,
g_source_remove);
}
static void
update_dwell_position (ClutterInputDevice *device)
{
@ -570,6 +600,7 @@ _clutter_input_pointer_a11y_remove_device (ClutterInputDevice *device)
if (is_dwell_dragging (device))
emit_dwell_click (device, CLUTTER_A11Y_DWELL_CLICK_TYPE_DRAG);
stop_dwell_position_timeout (device);
stop_dwell_timeout (device);
stop_secondary_click_timeout (device);
@ -597,11 +628,13 @@ _clutter_input_pointer_a11y_on_motion_event (ClutterInputDevice *device,
if (is_dwell_click_enabled (device))
{
stop_dwell_position_timeout (device);
if (should_stop_dwell (device))
stop_dwell_timeout (device);
if (should_start_dwell (device))
start_dwell_timeout (device);
start_dwell_position_timeout (device);
}
if (should_update_dwell_position (device))
@ -623,6 +656,8 @@ _clutter_input_pointer_a11y_on_button_event (ClutterInputDevice *device,
{
device->ptr_a11y_data->n_btn_pressed++;
stop_dwell_position_timeout (device);
if (is_dwell_click_enabled (device))
stop_dwell_timeout (device);