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paned: Handle pointer events from touchscreen devices

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GtkPaned may just capture pointer events because the child widget
doesn't happen to have GDK_TOUCH_MASK set, resort to checking the
device in that case.
This commit is contained in:
Carlos Garnacho 2014-05-19 23:02:49 +02:00
parent 0442431943
commit 5fdf07547f
1 changed files with 7 additions and 2 deletions
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9
gtk/gtkpaned.c
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@ -697,15 +697,20 @@ pan_gesture_drag_begin_cb (GtkGestureDrag *gesture,
GdkEventSequence *sequence;
GtkAllocation allocation;
const GdkEvent *event;
GdkDevice *device;
gboolean is_touch;
sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
event = gtk_gesture_get_last_event (GTK_GESTURE (gesture), sequence);
device = gdk_event_get_source_device (event);
gtk_widget_get_allocation (GTK_WIDGET (paned), &allocation);
paned->priv->panning = FALSE;
is_touch = (event->type == GDK_TOUCH_BEGIN ||
gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN);
if (event->any.window == priv->handle ||
(event->type == GDK_TOUCH_BEGIN &&
initiates_touch_drag (paned, start_x, start_y)))
(is_touch && initiates_touch_drag (paned, start_x, start_y)))
{
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
priv->drag_pos = start_x - (priv->handle_pos.x - allocation.x);