feat: plugin item can set content margin

src/loader/pluginitem.cpp

@@ -321,3 +321,10 @@ bool PluginItem::panelPopupExisted() const
 
     return false;
 }
+
+void PluginItem::updatePluginContentMargin(int spacing)
+{
+    if (spacing > 0) {
+        setContentsMargins(spacing, spacing, spacing, spacing);
+    }
+}

src/loader/pluginitem.h

@@ -28,6 +28,8 @@ class PluginItem : public QWidget
     QString pluginId() const { return m_pluginsItemInterface->pluginName(); }
     virtual QString itemKey() const { return m_itemKey; }
 
+    void updatePluginContentMargin(int spacing);
+
 signals:
     void recvMouseEvent(int type);
 

src/loader/widgetplugin.cpp

@@ -319,6 +319,8 @@ void WidgetPlugin::initConnections(Plugin::EmbedPlugin *plugin, PluginItem *plug
         }
     });
 
+    connect(plugin, &Plugin::EmbedPlugin::contentMarginChanged, pluginItem, &PluginItem::updatePluginContentMargin);
+
     connect(pluginItem, &PluginItem::recvMouseEvent, plugin, &Plugin::EmbedPlugin::pluginRecvMouseEvent);
 }
 

src/protocol/plugin-manager-v1.xml

@@ -106,6 +106,9 @@
       <arg name="width" type="int"/>
       <arg name="height" type="int"/>
     </event>
+    <event name="margin">
+      <arg name="spacing" type="int"/>
+    </event>
     <event name="raw_global_pos">
       <arg name="x" type="int"/>
       <arg name="y" type="int"/>

src/tray-wayland-integration/plugin.h

@@ -65,6 +65,7 @@ class Q_DECL_EXPORT EmbedPlugin : public QObject
 Q_SIGNALS:
     void eventMessage(const QString &msg);
     void eventGeometry(const QRect &geometry);
+    void contentMarginChanged(int32_t spacing);
     void dockPositionChanged(uint32_t position);
     void dockColorThemeChanged(uint32_t colorType);
     void pluginSupportFlagChanged(bool);

src/tray-wayland-integration/pluginsurface.cpp

@@ -54,6 +54,13 @@ void PluginSurface::plugin_geometry(int32_t x, int32_t y, int32_t width, int32_t
     Q_EMIT m_plugin->eventGeometry(rect);
 }
 
+void PluginSurface::plugin_margin(int32_t spacing)
+{
+    if (spacing > 0) {
+        Q_EMIT m_plugin->contentMarginChanged(spacing);
+    }
+}
+
 void PluginSurface::plugin_raw_global_pos(int32_t x, int32_t y)
 {
     m_plugin->setRawGlobalPos(QPoint(x, y));

src/tray-wayland-integration/pluginsurface_p.h

@@ -23,6 +23,7 @@ class PluginSurface : public QtWaylandClient::QWaylandShellSurface, public QtWay
 protected:
     virtual void plugin_close() override;
     virtual void plugin_geometry(int32_t x, int32_t y, int32_t width, int32_t height) override;
+    virtual void plugin_margin(int32_t spacing) override;
     virtual void plugin_raw_global_pos(int32_t x, int32_t y) override;
 
 private: