static gboolean
_gtk_gesture_multi_press_check_within_threshold (GtkGestureMultiPress *gesture,
gdouble x,
gdouble y)
{
GtkGestureMultiPressPrivate *priv;
guint double_click_distance;
GtkSettings *settings;
GtkWidget *widget;
priv = gtk_gesture_multi_press_get_instance_private (gesture);
if (priv->n_presses == 0)
return TRUE;
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
settings = gtk_widget_get_settings (widget);
g_object_get (settings,
"gtk-double-click-distance", &double_click_distance,
NULL);
if (ABS (priv->initial_press_x - x) < double_click_distance &&
ABS (priv->initial_press_y - y) < double_click_distance)
{
if (!priv->rect_is_set ||
(x >= priv->rect.x && x < priv->rect.x + priv->rect.width &&
y >= priv->rect.y && y < priv->rect.y + priv->rect.height))
return TRUE;
}
return FALSE;
}
static void
gtk_gesture_long_press_update (GtkGesture *gesture,
GdkEventSequence *sequence)
{
GtkGestureLongPressPrivate *priv;
GtkWidget *widget;
gdouble x, y;
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
priv = gtk_gesture_long_press_get_instance_private (GTK_GESTURE_LONG_PRESS (gesture));
gtk_gesture_get_point (gesture, sequence, &x, &y);
if (gtk_drag_check_threshold (widget, priv->initial_x, priv->initial_y, x, y))
{
if (priv->timeout_id)
{
g_source_remove (priv->timeout_id);
priv->timeout_id = 0;
g_signal_emit (gesture, signals[CANCELLED], 0);
}
priv->cancelled = TRUE;
_gtk_gesture_check (gesture);
}
}
static void
gtk_gesture_long_press_begin (GtkGesture *gesture,
GdkEventSequence *sequence)
{
GtkGestureLongPressPrivate *priv;
const GdkEvent *event;
GtkWidget *widget;
gint delay;
priv = gtk_gesture_long_press_get_instance_private (GTK_GESTURE_LONG_PRESS (gesture));
sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
event = gtk_gesture_get_last_event (gesture, sequence);
if (!event ||
(event->type != GDK_BUTTON_PRESS &&
event->type != GDK_TOUCH_BEGIN))
return;
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
g_object_get (gtk_widget_get_settings (widget),
"gtk-long-press-time", &delay,
NULL);
delay = (gint)(priv->delay_factor * delay);
gtk_gesture_get_point (gesture, sequence,
&priv->initial_x, &priv->initial_y);
priv->timeout_id =
gdk_threads_add_timeout (delay,
_gtk_gesture_long_press_timeout,
gesture);
}
void GestureController::DragGesture::update(DragGesture* dragGesture, double x, double y, GtkGesture* gesture)
{
GdkEventSequence* sequence = gtk_gesture_single_get_current_sequence(GTK_GESTURE_SINGLE(gesture));
gtk_gesture_set_sequence_state(gesture, sequence, GTK_EVENT_SEQUENCE_CLAIMED);
GtkWidget* widget = gtk_event_controller_get_widget(GTK_EVENT_CONTROLLER(gesture));
if (!dragGesture->m_inDrag && gtk_drag_check_threshold(widget, dragGesture->m_start.x(), dragGesture->m_start.y(), dragGesture->m_start.x() + x, dragGesture->m_start.y() + y)) {
dragGesture->m_inDrag = true;
dragGesture->m_longPressTimeout.cancel();
}
if (dragGesture->m_inDrag)
dragGesture->handleDrag(gtk_gesture_get_last_event(gesture, sequence), x, y);
dragGesture->m_offset.set(x, y);
}
void GestureController::DragGesture::begin(DragGesture* dragGesture, double x, double y, GtkGesture* gesture)
{
GdkEventSequence* sequence = gtk_gesture_single_get_current_sequence(GTK_GESTURE_SINGLE(gesture));
gtk_gesture_set_sequence_state(gesture, sequence, GTK_EVENT_SEQUENCE_CLAIMED);
dragGesture->m_inDrag = false;
dragGesture->m_start.set(x, y);
dragGesture->m_offset.set(0, 0);
GtkWidget* widget = gtk_event_controller_get_widget(GTK_EVENT_CONTROLLER(gesture));
unsigned delay;
g_object_get(gtk_widget_get_settings(widget), "gtk-long-press-time", &delay, nullptr);
dragGesture->m_longPressTimeout.scheduleAfterDelay("[WebKit] DragGesture long press timeout", [dragGesture]() {
dragGesture->m_inDrag = true;
}, std::chrono::milliseconds(delay));
}
static void
_gtk_gesture_multi_press_update_timeout (GtkGestureMultiPress *gesture)
{
GtkGestureMultiPressPrivate *priv;
guint double_click_time;
GtkSettings *settings;
GtkWidget *widget;
priv = gtk_gesture_multi_press_get_instance_private (gesture);
if (priv->double_click_timeout_id)
g_source_remove (priv->double_click_timeout_id);
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
settings = gtk_widget_get_settings (widget);
g_object_get (settings, "gtk-double-click-time", &double_click_time, NULL);
priv->double_click_timeout_id =
gdk_threads_add_timeout (double_click_time,
_double_click_timeout_cb,
gesture);
}
