Fix: the app widget will display a exception while zooming.

libsearch/search-app-widget-plugin/provider/data/search.qml

@@ -7,12 +7,13 @@ import org.ukui.appwidget 1.0
 import org.ukui.qqc2style.private 1.0 as StylePrivate
 
 AppWidget {
-    width: 640
-    height: 100
     visible: true
     id: window
     appname: "search"
     username: parent.username
+    anchors.fill: parent
+
+    property real scaling: parent.width / 480
 
     function parseJson(jsonStr) {
         try {
@@ -43,8 +44,8 @@ AppWidget {
     Rectangle {
         id:searchBar
         anchors.centerIn: parent
-        width:448
-        height: 64
+        width : 448 * scaling
+        height: 64 * scaling
         radius: searchBar.height / 2
 
         RowLayout {
@@ -54,10 +55,10 @@ AppWidget {
 
             Image {
                 id: image_search
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
-                Layout.preferredWidth: 32;
-                Layout.preferredHeight: 32;
+                Layout.leftMargin: 16 * scaling;
+                Layout.rightMargin: 16 * scaling;
+                Layout.preferredWidth: 32 * scaling;
+                Layout.preferredHeight: 32 * scaling;
 
                 Layout.alignment: Qt.AlignVCenter
                 source: "file:///usr/share/appwidget/search/ukui-search.svg"
@@ -67,7 +68,7 @@ AppWidget {
                 clip: true;
                 Layout.fillWidth: true
                 Layout.fillHeight: true;
-                Layout.rightMargin: 32;
+                Layout.rightMargin: 32 * scaling;
 
                 TextInput {
                     id: searchtext
@@ -85,17 +86,17 @@ AppWidget {
 
                     focus: true
                     color: StylePrivate.StyleHelper.windowtextcolorrole
-                    maximumLength: 100
+                    maximumLength: 100 * scaling
                     selectByMouse: true
                     verticalAlignment: Qt.AlignVCenter
-                    font.pixelSize: 21
+                    font.pixelSize: 21 * scaling
 
                     property string placeholderText: /*qsTr("search")*/"全局搜索"
 
                     Text {
                         id: placeholderText
                         text: searchtext.placeholderText
-                        font.pixelSize: 21
+                        font.pixelSize: 21 * scaling
 
                         visible: !searchtext.text
                         anchors.verticalCenter: parent.verticalCenter