1 files changed, 79 insertions, 0 deletions
diff --git a/extensions/vertical-workspaces/swipeTracker.js b/extensions/vertical-workspaces/swipeTracker.js
new file mode 100644
index 0000000..d5c52da
--- /dev/null
+++ b/extensions/vertical-workspaces/swipeTracker.js
@@ -0,0 +1,79 @@
+/**
+ * Vertical Workspaces
+ * swipeTracker.js
+ * 
+ * @author     GdH <G-dH@github.com>
+ * @copyright  2022 - 2023
+ * @license    GPL-3.0
+ *
+ */
+
+'use strict';
+
+const { Clutter, GObject } = imports.gi;
+const Main = imports.ui.main;
+const SwipeTracker = imports.ui.swipeTracker;
+
+const Me = imports.misc.extensionUtils.getCurrentExtension();
+let opt;
+
+let _vwGestureUpdateId;
+let _originalGestureUpdateId;
+
+function update(reset = false) {
+    opt = Me.imports.settings.opt;
+
+    if (reset || !opt.ORIENTATION) { // 1-VERTICAL, 0-HORIZONTAL
+        // original swipeTrackers' orientation and updateGesture function
+        Main.overview._swipeTracker.orientation = Clutter.Orientation.VERTICAL;
+        Main.wm._workspaceAnimation._swipeTracker.orientation = Clutter.Orientation.HORIZONTAL;
+        Main.overview._swipeTracker._updateGesture = SwipeTracker.SwipeTracker.prototype._updateGesture;
+        if (_vwGestureUpdateId) {
+            Main.overview._swipeTracker._touchpadGesture.disconnect(_vwGestureUpdateId);
+            _vwGestureUpdateId = 0;
+        }
+        if (_originalGestureUpdateId) {
+            Main.overview._swipeTracker._touchpadGesture.unblock_signal_handler(_originalGestureUpdateId);
+            _originalGestureUpdateId = 0;
+        }
+
+        opt = null;
+        return;
+    }
+
+    if (opt.ORIENTATION) { // 1-VERTICAL, 0-HORIZONTAL
+        // reverse swipe gestures for enter/leave overview and ws switching
+        Main.overview._swipeTracker.orientation = Clutter.Orientation.HORIZONTAL;
+        Main.wm._workspaceAnimation._swipeTracker.orientation = Clutter.Orientation.VERTICAL;
+        // overview's updateGesture() function should reflect ws tmb position to match appGrid/ws animation direction
+        // function in connection cannot be overridden in prototype of its class because connected is actually another copy of the original function
+        if (!_originalGestureUpdateId) {
+            _originalGestureUpdateId = GObject.signal_handler_find(Main.overview._swipeTracker._touchpadGesture, { signalId: 'update' });
+            Main.overview._swipeTracker._touchpadGesture.block_signal_handler(_originalGestureUpdateId);
+            Main.overview._swipeTracker._updateGesture = SwipeTrackerVertical._updateGesture;
+            _vwGestureUpdateId = Main.overview._swipeTracker._touchpadGesture.connect('update', SwipeTrackerVertical._updateGesture.bind(Main.overview._swipeTracker));
+        }
+    }
+}
+
+//---- SwipeTracker -----------------------------------------------------------------------------------
+// switch overview's state gesture direction
+var SwipeTrackerVertical = {
+    _updateGesture: function(gesture, time, delta, distance) {
+        if (this._state !== 1) //State.SCROLLING)
+            return;
+
+        if ((this._allowedModes & Main.actionMode) === 0 || !this.enabled) {
+            this._interrupt();
+            return;
+        }
+
+        if (opt.WS_TMB_RIGHT)
+            delta = -delta;
+        this._progress += delta / distance;
+        this._history.append(time, delta);
+
+        this._progress = Math.clamp(this._progress, ...this._getBounds(this._initialProgress));
+        this.emit('update', this._progress);
+    }
+}