Add Dynamic Tiling task menu request bridge

Expose a KConfig-backed request channel in MobileShellSettings and use
it from the Folio task menu to request float/tile actions for a single
window.

components/shellsettingsplugin/mobileshellsettings.cpp

@@ -47,6 +47,7 @@ MobileShellSettings::MobileShellSettings(QObject *parent)
             Q_EMIT gamingModeEnabledChanged();
             Q_EMIT gamingDismissHintEnabledChanged();
             Q_EMIT dynamicTilingEnabledChanged();
+            Q_EMIT dynamicTilingWindowRequestChanged();
             Q_EMIT snapLayoutsEnabledChanged();
             Q_EMIT allowLogoutChanged();
         }
@@ -291,6 +292,40 @@ void MobileShellSettings::setDynamicTilingEnabled(bool enabled)
     m_config->sync();
 }
 
+QString MobileShellSettings::dynamicTilingWindowRequestAction() const
+{
+    auto group = KConfigGroup{m_config, GENERAL_CONFIG_GROUP};
+    return group.readEntry("dynamicTilingWindowRequestAction", QString{});
+}
+
+QString MobileShellSettings::dynamicTilingWindowRequestId() const
+{
+    auto group = KConfigGroup{m_config, GENERAL_CONFIG_GROUP};
+    return group.readEntry("dynamicTilingWindowRequestId", QString{});
+}
+
+int MobileShellSettings::dynamicTilingWindowRequestSerial() const
+{
+    auto group = KConfigGroup{m_config, GENERAL_CONFIG_GROUP};
+    return group.readEntry("dynamicTilingWindowRequestSerial", 0);
+}
+
+void MobileShellSettings::requestDynamicTilingWindowAction(const QString &windowId, const QString &action)
+{
+    if (windowId.isEmpty() || action.isEmpty()) {
+        return;
+    }
+
+    auto group = KConfigGroup{m_config, GENERAL_CONFIG_GROUP};
+    const int serial = group.readEntry("dynamicTilingWindowRequestSerial", 0) + 1;
+    group.writeEntry("dynamicTilingWindowRequestId", windowId, KConfigGroup::Notify);
+    group.writeEntry("dynamicTilingWindowRequestAction", action, KConfigGroup::Notify);
+    group.writeEntry("dynamicTilingWindowRequestSerial", serial, KConfigGroup::Notify);
+    m_config->sync();
+
+    Q_EMIT dynamicTilingWindowRequestChanged();
+}
+
 bool MobileShellSettings::snapLayoutsEnabled() const
 {
     auto group = KConfigGroup{m_config, GENERAL_CONFIG_GROUP};

components/shellsettingsplugin/mobileshellsettings.h

@@ -59,6 +59,9 @@ class MobileShellSettings : public QObject
     // Dynamic (BSP) window tiling — only meaningful in convergence mode.
     // When false, KWin's native quick-tile behaviour is used unmodified.
     Q_PROPERTY(bool dynamicTilingEnabled READ dynamicTilingEnabled WRITE setDynamicTilingEnabled NOTIFY dynamicTilingEnabledChanged)
+    Q_PROPERTY(QString dynamicTilingWindowRequestAction READ dynamicTilingWindowRequestAction NOTIFY dynamicTilingWindowRequestChanged)
+    Q_PROPERTY(QString dynamicTilingWindowRequestId READ dynamicTilingWindowRequestId NOTIFY dynamicTilingWindowRequestChanged)
+    Q_PROPERTY(int dynamicTilingWindowRequestSerial READ dynamicTilingWindowRequestSerial NOTIFY dynamicTilingWindowRequestChanged)
 
     // Snap layout picker — only meaningful in convergence mode when dynamic tiling is off.
     Q_PROPERTY(bool snapLayoutsEnabled READ snapLayoutsEnabled WRITE setSnapLayoutsEnabled NOTIFY snapLayoutsEnabledChanged)
@@ -288,6 +291,10 @@ public:
      */
     bool dynamicTilingEnabled() const;
     void setDynamicTilingEnabled(bool enabled);
+    QString dynamicTilingWindowRequestAction() const;
+    QString dynamicTilingWindowRequestId() const;
+    int dynamicTilingWindowRequestSerial() const;
+    Q_INVOKABLE void requestDynamicTilingWindowAction(const QString &windowId, const QString &action);
 
     /**
      * Whether the SHIFT snap layout picker is enabled.
@@ -346,6 +353,7 @@ Q_SIGNALS:
     void gamingModeEnabledChanged();
     void gamingDismissHintEnabledChanged();
     void dynamicTilingEnabledChanged();
+    void dynamicTilingWindowRequestChanged();
     void snapLayoutsEnabledChanged();
     void allowLogoutChanged();
     void lockscreenLeftButtonActionChanged();

containments/homescreens/folio/qml/FavouritesBar.qml

@@ -182,6 +182,11 @@ MouseArea {
         return activities ? activities : []
     }
 
+    function taskWindowId(taskModel) {
+        let winIds = taskModel.WinIdList
+        return winIds && winIds.length === 1 ? String(winIds[0]) : ""
+    }
+
     function activityName(activityId) {
         let name = activityInfo.activityName(activityId)
         return name && name.length > 0 ? name : i18n("Activity")
@@ -1649,6 +1654,7 @@ MouseArea {
             readonly property bool isGroupParent: taskDelegate.model.IsGroupParent === true
             readonly property bool dynamicTilingActive: root.convergenceMode && ShellSettings.Settings.dynamicTilingEnabled
             readonly property bool showFreeGeometryActions: !taskDelegate.isGroupParent && !taskDelegate.dynamicTilingActive
+            readonly property bool canRequestDynamicTiling: taskDelegate.dynamicTilingActive && !taskDelegate.isGroupParent && root.taskWindowId(taskDelegate.model) !== ""
             readonly property bool canChangeVirtualDesktops: taskDelegate.model.IsVirtualDesktopsChangeable === true
             readonly property bool canChangeActivities: activityInfo.numberOfRunningActivities > 1 && !taskDelegate.isGroupParent
 
@@ -1876,6 +1882,27 @@ MouseArea {
                     height: visible ? implicitHeight : 0
                 }
 
+                Controls.MenuSeparator {
+                    visible: taskDelegate.canRequestDynamicTiling
+                    height: visible ? implicitHeight : 0
+                }
+
+                PC3.MenuItem {
+                    icon.name: "window"
+                    text: i18n("Float Window")
+                    visible: taskDelegate.canRequestDynamicTiling
+                    height: visible ? implicitHeight : 0
+                    onClicked: ShellSettings.Settings.requestDynamicTilingWindowAction(root.taskWindowId(taskDelegate.model), "float")
+                }
+
+                PC3.MenuItem {
+                    icon.name: "view-grid-symbolic"
+                    text: i18n("Tile Window")
+                    visible: taskDelegate.canRequestDynamicTiling
+                    height: visible ? implicitHeight : 0
+                    onClicked: ShellSettings.Settings.requestDynamicTilingWindowAction(root.taskWindowId(taskDelegate.model), "tile")
+                }
+
                 PC3.MenuItem {
                     icon.name: "transform-move"
                     text: i18n("Move")