1 files changed, 116 insertions, 0 deletions
diff --git a/extensions/45/vertical-workspaces/lib/swipeTracker.js b/extensions/45/vertical-workspaces/lib/swipeTracker.js
new file mode 100644
index 0000000..354f1e0
--- /dev/null
+++ b/extensions/45/vertical-workspaces/lib/swipeTracker.js
@@ -0,0 +1,116 @@
+/**
+ * V-Shell (Vertical Workspaces)
+ * swipeTracker.js
+ *
+ * @author     GdH <G-dH@github.com>
+ * @copyright  2022 - 2023
+ * @license    GPL-3.0
+ *
+ */
+
+'use strict';
+
+import Clutter from 'gi://Clutter';
+import GObject from 'gi://GObject';
+
+import * as Main from 'resource:///org/gnome/shell/ui/main.js';
+import * as SwipeTracker from 'resource:///org/gnome/shell/ui/swipeTracker.js';
+
+let Me;
+let opt;
+
+export const SwipeTrackerModule = class {
+    constructor(me) {
+        Me = me;
+        opt = Me.opt;
+
+        this._firstActivation = true;
+        this.moduleEnabled = false;
+    }
+
+    cleanGlobals() {
+        Me = null;
+        opt = null;
+    }
+
+    update(reset) {
+        this.moduleEnabled = opt.get('swipeTrackerModule');
+        const conflict = false;
+
+        reset = reset || !this.moduleEnabled || conflict;
+
+        // don't touch the original code if module disabled
+        if (reset && !this._firstActivation) {
+            this._disableModule();
+        } else if (!reset) {
+            this._firstActivation = false;
+            this._activateModule();
+        }
+        if (reset && this._firstActivation)
+            console.debug('  SwipeTrackerModule - Keeping untouched');
+    }
+
+    _activateModule() {
+        if (opt.ORIENTATION) { // 1-VERTICAL, 0-HORIZONTAL
+            this._setVertical();
+        } else {
+            this._setHorizontal();
+        }
+        console.debug('  SwipeTrackerModule - Activated');
+    }
+
+    _disableModule() {
+        this._setHorizontal();
+
+        console.debug('  SwipeTrackerModule - Disabled');
+    }
+
+    _setVertical() {
+        // 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 (!this._originalGestureUpdateId) {
+            this._originalGestureUpdateId = GObject.signal_handler_find(Main.overview._swipeTracker._touchpadGesture, { signalId: 'update' });
+            Main.overview._swipeTracker._touchpadGesture.block_signal_handler(this._originalGestureUpdateId);
+            Main.overview._swipeTracker._updateGesture = SwipeTrackerVertical._updateGesture;
+            this._vwGestureUpdateId = Main.overview._swipeTracker._touchpadGesture.connect('update', SwipeTrackerVertical._updateGesture.bind(Main.overview._swipeTracker));
+        }
+    }
+
+    _setHorizontal() {
+        // 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 (this._vwGestureUpdateId) {
+            Main.overview._swipeTracker._touchpadGesture.disconnect(this._vwGestureUpdateId);
+            this._vwGestureUpdateId = 0;
+        }
+        if (this._originalGestureUpdateId) {
+            Main.overview._swipeTracker._touchpadGesture.unblock_signal_handler(this._originalGestureUpdateId);
+            this._originalGestureUpdateId = 0;
+        }
+    }
+};
+
+const SwipeTrackerVertical = {
+    _updateGesture(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);
+    },
+};