1 files changed, 168 insertions, 0 deletions
diff --git a/extensions/45/vertical-workspaces/lib/overlayKey.js b/extensions/45/vertical-workspaces/lib/overlayKey.js
new file mode 100644
index 0000000..77264c1
--- /dev/null
+++ b/extensions/45/vertical-workspaces/lib/overlayKey.js
@@ -0,0 +1,168 @@
+/**
+ * V-Shell (Vertical Workspaces)
+ * overlayKey.js
+ *
+ * @author     GdH <G-dH@github.com>
+ * @copyright  2022 - 2023
+ * @license    GPL-3.0
+ *
+ */
+
+'use strict';
+
+import GLib from 'gi://GLib';
+import St from 'gi://St';
+import Meta from 'gi://Meta';
+import GObject from 'gi://GObject';
+
+import * as Main from 'resource:///org/gnome/shell/ui/main.js';
+import * as Overview from 'resource:///org/gnome/shell/ui/overview.js';
+
+let Me;
+let opt;
+
+export const OverlayKeyModule = class {
+    constructor(me) {
+        Me = me;
+        opt = Me.opt;
+
+        this._firstActivation = true;
+        this.moduleEnabled = false;
+        this._originalOverlayKeyHandlerId = 0;
+        this._overlayKeyHandlerId = 0;
+    }
+
+    cleanGlobals() {
+        Me = null;
+        opt = null;
+    }
+
+    update(reset) {
+        this.moduleEnabled = opt.get('overlayKeyModule');
+        const conflict = false;
+
+        reset = reset || !this.moduleEnabled || conflict;
+
+        if (reset && !this._firstActivation) {
+            this._disableModule();
+        } else if (!reset) {
+            this._firstActivation = false;
+            this._activateModule();
+        }
+        if (reset && this._firstActivation)
+            console.debug('  OverlayKeyModule - Keeping untouched');
+    }
+
+    _activateModule() {
+        if (!this._originalOverlayKeyHandlerId) {
+            this._originalOverlayKeyHandlerId = GObject.signal_handler_find(global.display, { signalId: 'overlay-key' });
+            if (this._originalOverlayKeyHandlerId !== null) {
+                global.display.block_signal_handler(this._originalOverlayKeyHandlerId);
+                this._connectOverlayKey();
+            }
+        }
+        console.debug('  OverlayKeyModule - Activated');
+    }
+
+    _disableModule() {
+        this._restoreOverlayKeyHandler();
+
+        console.debug('  OverlayKeyModule - Disabled');
+    }
+
+    _restoreOverlayKeyHandler() {
+        // Disconnect modified overlay key handler
+        if (this._overlayKeyHandlerId) {
+            global.display.disconnect(this._overlayKeyHandlerId);
+            this._overlayKeyHandlerId = 0;
+        }
+
+        // Unblock original overlay key handler
+        if (this._originalOverlayKeyHandlerId) {
+            global.display.unblock_signal_handler(this._originalOverlayKeyHandlerId);
+            this._originalOverlayKeyHandlerId = 0;
+        }
+    }
+
+    _connectOverlayKey() {
+        if (this._overlayKeyHandlerId)
+            return;
+
+        this._overlayKeyHandlerId = global.display.connect('overlay-key', this._onOverlayKeyPressed.bind(Main.overview._overview.controls));
+    }
+
+    _onOverlayKeyPressed() {
+        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) {
+            Me.Util.activateSearchProvider('');
+            if (mode === 1) {
+                this._shiftState(Meta.MotionDirection.UP);
+            } else if (mode === 2) {
+                Me.Util.activateSearchProvider(Me.WSP_PREFIX);
+            } else if (mode === 3) {
+                // Changing the overview mode automatically changes the overview transition
+                opt.OVERVIEW_MODE = 0;
+                opt.OVERVIEW_MODE2 = false;
+                opt.WORKSPACE_MODE = 1;
+            }
+        } else {
+            if (Main.overview._shown) {
+                Main.overview.hide();
+                return;
+            }
+            switch (opt.OVERLAY_KEY_PRIMARY) {
+            case 0: // Disabled
+                return;
+            case 1: // Follow global overview mode
+                Main.overview.resetOverviewMode();
+                break;
+            case 2: // Default overview
+                opt.OVERVIEW_MODE = 0;
+                opt.OVERVIEW_MODE2 = false;
+                opt.WORKSPACE_MODE = 1;
+                break;
+            case 3: // Default overview
+                if (Main.overview._shown)
+                    Main.overview.hide();
+                else
+                    Main.overview.show(2);
+                return;
+            case 4: // Static WS preview
+                opt.OVERVIEW_MODE = 1;
+                opt.OVERVIEW_MODE2 = false;
+                if (!Main.overview._shown)
+                    opt.WORKSPACE_MODE = 0;
+                break;
+            case 5: // Static WS
+                opt.OVERVIEW_MODE = 2;
+                opt.OVERVIEW_MODE2 = true;
+                opt.WORKSPACE_MODE = 0;
+                break;
+            case 6: // Window Search
+                opt.OVERVIEW_MODE = 2;
+                opt.OVERVIEW_MODE2 = true;
+                if (!Main.overview._shown)
+                    opt.WORKSPACE_MODE = 0;
+                break;
+            }
+            const customOverviewMode = !Main.overview._shown;
+            Main.overview.toggle(customOverviewMode);
+            if (opt.OVERLAY_KEY_PRIMARY === 6)
+                Me.Util.activateSearchProvider(Me.WSP_PREFIX);
+        }
+    }
+};