quickshell: notification click/action jumps to the app's window

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

settings/quickshell.nix

@@ -1480,7 +1480,10 @@ in
                                     anchors.fill: parent
                                     hoverEnabled: true
                                     cursorShape: Qt.PointingHandCursor
-                                    onClicked: { modelData.invoke(); _nc.actionInvoked(); }
+                                    // Invoking an action ("View", "Reply"…)
+                                    // makes the app want focus, but it can't
+                                    // take it itself — see focusNotifApp.
+                                    onClicked: { modelData.invoke(); bar.focusNotifApp(_nc.notif); _nc.actionInvoked(); }
                                 }
                             }
                         }
@@ -3217,6 +3220,37 @@ in
                     if (a.startsWith("/")) return "file://" + a;
                     return "";
                 }
+                // Jump to the window that sent a notification. Toplevel.activate()
+                // goes over wlr-foreign-toplevel — the same path a taskbar uses —
+                // so Hyprland follows it across workspaces. The app raising
+                // itself does not work here: misc:focus_on_activate is off, so
+                // its own activation request is dropped on purpose.
+                function focusNotifApp(notif) {
+                    if (!notif) return;
+                    const want = [(notif.desktopEntry || "").replace(/\.desktop$/, ""), notif.appName]
+                        .filter(s => s !== "").map(s => s.toLowerCase());
+                    if (want.length === 0) return;
+                    const tls = ToplevelManager.toplevels.values;
+                    // Exact appId first: appName is a display name ("Vesktop"),
+                    // appId the wayland id ("vesktop"), and they often differ by
+                    // more than case, hence the substring pass.
+                    for (const t of tls)
+                        if (want.includes((t.appId || "").toLowerCase())) { t.activate(); return; }
+                    for (const t of tls) {
+                        const id = (t.appId || "").toLowerCase();
+                        if (id !== "" && want.some(w => id.includes(w) || w.includes(id))) { t.activate(); return; }
+                    }
+                }
+
+                // Clicking a notification body. Apps hide "open the right chat"
+                // behind the default action, so fire that too when they send one.
+                function activateNotif(notif) {
+                    if (!notif) return;
+                    for (const a of notif.actions)
+                        if (a.identifier === "default") { a.invoke(); break; }
+                    focusNotifApp(notif);
+                }
+
                 function toggleDropdown(dd, setupFn) {
                     if (dd.visible && !dd.closing) {
                         dd.animateClose();
@@ -6045,6 +6079,18 @@ in
                                     width: parent.width
                                     height: Math.max(notifPreview.visible ? 48 : 0, ncBody.height)
 
+                                    // First child, so the action chips and the
+                                    // dismiss button still take their own clicks.
+                                    MouseArea {
+                                        anchors.fill: parent
+                                        cursorShape: Qt.PointingHandCursor
+                                        onClicked: {
+                                            bar.activateNotif(notifItem.modelData);
+                                            notifItem.modelData.dismiss();
+                                            bar.closeAllDropdowns();
+                                        }
+                                    }
+
                                     // Image preview (album art, screenshot thumb…)
                                     ClippingRectangle {
                                         id: notifPreview
@@ -6325,6 +6371,18 @@ in
 
                             property string previewSource: bar.notifPreviewSource(toastItem.currentNotif)
 
+                            // First child, so the action chips and the dismiss
+                            // button still take their own clicks.
+                            MouseArea {
+                                anchors.fill: parent
+                                cursorShape: Qt.PointingHandCursor
+                                onClicked: {
+                                    bar.activateNotif(toastItem.currentNotif);
+                                    if (toastItem.currentNotif) toastItem.currentNotif.dismiss();
+                                    toastItem.dismiss();
+                                }
+                            }
+
                             // Image preview (screenshot thumb, album art…)
                             ClippingRectangle {
                                 id: toastPreview