feat: Add support for modifying the plugin popup cursor shape via the…

src/loader/widgetplugin.cpp

@@ -34,12 +34,16 @@ class Q_DECL_HIDDEN EventFilter : public QObject
 public:
     bool eventFilter(QObject *watched, QEvent *event)
     {
-        Q_UNUSED(watched)
         if (event->type() == QEvent::ToolTip) {
             const auto pos = static_cast<QHelpEvent*>(event)->globalPos();
             QMetaObject::invokeMethod(this, [this, pos] () {
                 updateToolTipPosition(pos);
             }, Qt::QueuedConnection);
+        } else if (event->type() == QEvent::CursorChange) {
+            auto widget = qobject_cast<QWidget*>(watched);
+            if (widget) {
+                handleCursorChange(widget);
+            }
         }
         return false;
     }
@@ -67,6 +71,18 @@ class Q_DECL_HIDDEN EventFilter : public QObject
             }
         }
     }
+
+    void handleCursorChange(QWidget *widget)
+    {
+        if (!widget || !widget->window() || !widget->window()->windowHandle())
+            return;
+
+        auto windowHandle = widget->window()->windowHandle();
+        if (auto pluginPopup = Plugin::PluginPopup::getWithoutCreating(windowHandle)) {
+            Qt::CursorShape cursorShape = widget->cursor().shape();
+            Q_EMIT pluginPopup->requestSetCursor(static_cast<int>(cursorShape));
+        }
+    }
 };
 }
 

src/protocol/plugin-manager-v1.xml

@@ -139,6 +139,13 @@
         <arg name="width" type="int"/>
         <arg name="height" type="int"/>
     </request>
+    <request name="set_cursor">
+        <description summary="request to change cursor shape">
+          This requests the compositor to change the cursor shape.
+          The cursor_shape follows Qt::CursorShape enum values.
+        </description>
+        <arg name="cursor_shape" type="int"/>
+    </request>
   </interface>
 
   <interface name="plugin" version="1">

src/tray-wayland-integration/plugin.h

@@ -152,7 +152,8 @@
 
     void xChanged();
     void yChanged();
     void pluginPosChanged(const QPoint &point);
+    void requestSetCursor(int cursorShape);
 
 private:
     explicit PluginPopup(QWindow* window);

src/tray-wayland-integration/pluginsurface.cpp

@@ -119,6 +119,10 @@ PluginPopupSurface::PluginPopupSurface(PluginManagerIntegration *manager, QtWayl
     connect(m_dirtyTimer, &QTimer::timeout, this, [this]{
         set_position(m_popup->x(), m_popup->y());
     });
+
+    connect(m_popup, &PluginPopup::requestSetCursor, this, [this](int cursorShape) {
+        set_cursor(cursorShape);
+    });
 }
 
 PluginPopupSurface::~PluginPopupSurface()