更新扩展接口，增加菜单功能

qml/AppUI/Sidebar.qml

@@ -48,7 +48,7 @@ Item {
 
             RowLayout {
                 anchors.fill: parent
-                // spacing: 5
+                spacing: 4
 
                 ListView {
                     id: extensionInfoList
@@ -78,6 +78,14 @@ Item {
                     }
                 }
 
+                Loader {
+                    id: extensionMenuLoader
+                    visible: sourceComponent !== undefined
+                    Layout.preferredWidth: 34
+                    Layout.preferredHeight: 34
+                    Layout.alignment: Qt.AlignVCenter
+                }
+
                 AppControls2.StyleBackground {
                     id: fullScreenbutton
                     Layout.preferredWidth: 34
@@ -125,10 +133,23 @@ Item {
                 onLoaded: {
                     item.send.connect(extensionInfoList.send);
                     sidebarLayout.updateSidebarLayout(extensionInfoList.currentItem.extensionOptions);
+                    updateMenu();
+                    item.extensionMenuChanged.connect(updateMenu);
                 }
                 Keys.onTabPressed: {
                     extensionInfoList.focus = true
                 }
+
+                function updateMenu() {
+                    if (item === null) {
+                        return;
+                    }
+                    if (item.extensionMenu !== null) {
+                        extensionMenuLoader.sourceComponent = item.extensionMenu;
+                    } else {
+                        extensionMenuLoader.sourceComponent = undefined;
+                    }
+                }
             }
         }
 

qml/org/ukui/menu/extension/UkuiMenuExtension.qml

@@ -2,5 +2,6 @@ import QtQuick 2.0
 
 Item {
     property var extensionData;
+    property Component extensionMenu: null;
     signal send(var data);
 }