1 files changed, 108 insertions, 0 deletions
diff --git a/extensions/vertical-workspaces/lib/overlayKey.js b/extensions/vertical-workspaces/lib/overlayKey.js
new file mode 100644
index 0000000..e0fc11d
--- /dev/null
+++ b/extensions/vertical-workspaces/lib/overlayKey.js
@@ -0,0 +1,108 @@
+/**
+ * V-Shell (Vertical Workspaces)
+ * overlayKey.js
+ *
+ * @author     GdH <G-dH@github.com>
+ * @copyright  2022 - 2023
+ * @license    GPL-3.0
+ *
+ */
+
+'use strict';
+const { GObject, Gio, GLib, Meta, St } = imports.gi;
+
+const Main = imports.ui.main;
+const Overview = imports.ui.overview;
+
+const Me = imports.misc.extensionUtils.getCurrentExtension();
+const _Util = Me.imports.lib.util;
+
+const _ = Me.imports.lib.settings._;
+const shellVersion = _Util.shellVersion;
+const WIN_SEARCH_PREFIX = Me.imports.lib.windowSearchProvider.prefix;
+const RECENT_FILES_PREFIX = Me.imports.lib.recentFilesSearchProvider.prefix;
+const A11Y_SCHEMA = 'org.gnome.desktop.a11y.keyboard';
+
+let opt;
+let _firstRun = true;
+
+let _originalOverlayKeyHandlerId;
+let _overlayKeyHandlerId;
+
+function update(reset = false) {
+    opt = Me.imports.lib.settings.opt;
+    const moduleEnabled = opt.get('overlayKeyModule', true);
+    reset = reset || (!_firstRun && !moduleEnabled);
+
+    // don't even touch this module if disabled
+    if (_firstRun && !moduleEnabled)
+        return;
+
+    _firstRun = false;
+
+    if (reset) {
+        _updateOverlayKey(reset);
+        opt = null;
+        return;
+    }
+
+    _updateOverlayKey();
+}
+
+function _updateOverlayKey(reset = false) {
+    if (reset) {
+        _restoreOverlayKeyHandler();
+    } else if (!_originalOverlayKeyHandlerId) {
+        _originalOverlayKeyHandlerId = GObject.signal_handler_find(global.display, { signalId: 'overlay-key' });
+        if (_originalOverlayKeyHandlerId !== null)
+            global.display.block_signal_handler(_originalOverlayKeyHandlerId);
+        _connectOverlayKey.bind(Main.overview._overview.controls)();
+    }
+}
+
+function _restoreOverlayKeyHandler() {
+    // Disconnect modified overlay key handler
+    if (_overlayKeyHandlerId !== null) {
+        global.display.disconnect(_overlayKeyHandlerId);
+        _overlayKeyHandlerId = null;
+    }
+
+    // Unblock original overlay key handler
+    if (_originalOverlayKeyHandlerId !== null) {
+        global.display.unblock_signal_handler(_originalOverlayKeyHandlerId);
+        _originalOverlayKeyHandlerId = null;
+    }
+}
+
+function _connectOverlayKey() {
+    this._a11ySettings = new Gio.Settings({ schema_id: A11Y_SCHEMA });
+
+    this._lastOverlayKeyTime = 0;
+    _overlayKeyHandlerId = global.display.connect('overlay-key', () => {
+        if (this._a11ySettings.get_boolean('stickykeys-enable'))
+            return;
+
+        const { initialState, finalState, transitioning } =
+                    this._stateAdjustment.getStateTransitionParams();
+
+        const time = GLib.get_monotonic_time() / 1000;
+        const timeDiff = time - this._lastOverlayKeyTime;
+        this._lastOverlayKeyTime = time;
+
+        const shouldShift = St.Settings.get().enable_animations
+            ? transitioning && finalState > initialState
+            : Main.overview.visible && timeDiff < Overview.ANIMATION_TIME;
+
+        const mode = opt.OVERLAY_KEY_SECONDARY;
+        if (shouldShift) {
+            if (mode === 1)
+                this._shiftState(Meta.MotionDirection.UP);
+            else if (mode === 2)
+                _Util.activateSearchProvider(WIN_SEARCH_PREFIX);
+            else if (mode === 3)
+                _Util.activateSearchProvider(RECENT_FILES_PREFIX);
+        } else {
+            Main.overview.toggle();
+        }
+    });
+}