workspace: Keep track of the dragging touch sequence

draggable.startDrag() is called directly here (i.e. manualMode is not set),
we must keep track of the touch event and pass it to startDrag() then.

https://bugzilla.gnome.org/show_bug.cgi?id=756748

diff --git a/js/ui/workspace.js b/js/ui/workspace.js
index 467f210f5b425f22a5bc3632f7d645406ebafc16..bacc75b6daa88b019e6eaa9022d82be4e76263eb 100644 (file)
--- a/js/ui/workspace.js
+++ b/js/ui/workspace.js
@@ -361,6 +361,9 @@ const WindowClone = new Lang.Class({
         // a long-press canceled when the pointer movement
         // exceeds dnd-drag-threshold to manually start the drag
         if (state == Clutter.LongPressState.CANCEL) {
+            let event = Clutter.get_current_event();
+            this._dragTouchSequence = event.get_event_sequence();
+
             // A click cancels a long-press before any click handler is
             // run - make sure to not start a drag in that case
             Meta.later_add(Meta.LaterType.BEFORE_REDRAW, Lang.bind(this,
@@ -369,7 +372,7 @@ const WindowClone = new Lang.Class({
                         return;
                     let [x, y] = action.get_coords();
                     action.release();
-                    this._draggable.startDrag(x, y, global.get_current_time());
+                    this._draggable.startDrag(x, y, global.get_current_time(), this._dragTouchSequence);
                 }));
         }
         return true;