feat(FullScreenUI):添加全屏界面搜索结果的按键导航功能(issues:#I76KWQ)

qml/AppUI/FullScreenContent.qml

@@ -31,6 +31,19 @@ RowLayout {
     property bool isContentShow: true
     property int animationDuration: 300
 
+    function viewFocusEnable() {
+        contentViewLoader.focus = true;
+    }
+    function clearViewFocus() {
+        contentViewLoader.focus = false;
+        if (contentViewLoader.item.currentIndex) {
+            contentViewLoader.item.currentIndex = 0;
+        }
+    }
+
+    Component.onCompleted: mainWindow.visibleChanged.connect(clearViewFocus)
+    Component.onDestruction: mainWindow.visibleChanged.disconnect(clearViewFocus)
+
     state: isContentShow ? "contentShow" : "contentHidden"
     states: [
         State {
@@ -170,10 +183,13 @@ RowLayout {
                 boundsBehavior: Flickable.StopAtBounds
                 model: modelManager.getAppModel()
                 cacheBuffer: cellHeight * appGridView.count / 6
+                focus: true
+                keyNavigationEnabled: true
 
                 delegate: Loader {
                     width: GridView.view.cellWidth
                     height: width
+                    focus: true
                     property int index: model.index
                     property int type: model.type
                     property string id: model.id
@@ -195,7 +211,6 @@ RowLayout {
                         id: dropArea
                         property int originalX
                         property int originalY
-
                         onEntered: {
                             if (appGridView.selectId !== id) {
                                 imageBase.visible = true;
@@ -209,6 +224,23 @@ RowLayout {
                                 appGridView.model.addAppsToFolder(appGridView.selectId, id, "");
                             }
                         }
+
+                        // ********按键导航********
+                        focus: true
+                        states: State {
+                            when: dropArea.activeFocus
+                            PropertyChanges {
+                                target: controlBase
+                                borderColor: Palette.Highlight
+                                border.width: 2
+                            }
+                        }
+                        Keys.onPressed: {
+                            if (event.key === Qt.Key_Enter || event.key === Qt.Key_Return) {
+                                appGridView.model.appClicked(index);
+                            }
+                        }
+
                         Item {
                             id: appItem
                             property bool isSelect: false
@@ -228,12 +260,12 @@ RowLayout {
                                 ToolTip.text: name
                                 ToolTip.visible: iconText.truncated && containsMouse
                                 AppControls2.StyleBackground {
+                                    id: controlBase
                                     anchors.fill: parent
                                     useStyleTransparent: false
                                     paletteRole: Palette.Light
                                     radius: 16
                                     alpha: appItem.isSelect ? 0.00 : parent.containsPress ? 0.25 : parent.containsMouse ? 0.15 : 0.00
-
                                     Item {
                                         anchors.top: parent.top
                                         anchors.topMargin: 14

qml/AppUI/FullScreenHeader.qml

@@ -8,6 +8,7 @@ import org.ukui.menu.utils 1.0
 Item {
     clip: true
     property alias searchOpacity: searchInputBar.opacity
+    property alias searchText: searchInputBar.text
     SearchInputBar {
         id: searchInputBar
         width: 372; height: 36

qml/AppUI/SearchInputBar.qml

@@ -33,6 +33,8 @@ AppControls2.StyleBackground {
     borderAlpha: textInput.activeFocus ? 1 : 0.1
     borderColor: textInput.activeFocus ? Palette.Highlight : Palette.Base
 
+    Component.onCompleted: mainWindow.visibleChanged.connect(clear)
+    Component.onDestruction: mainWindow.visibleChanged.disconnect(clear)
     function textInputFocus() {
         textInput.forceActiveFocus();
     }
@@ -74,7 +76,7 @@ AppControls2.StyleBackground {
         }
 
         states: State {
-            when: textInput.activeFocus || !mainWindow.isFullScreen
+            when: !mainWindow.isFullScreen || textInput.text !== "" || textInput.activeFocus
             AnchorChanges {
                 target: defaultSearch
                 anchors.left: parent.left
@@ -104,6 +106,10 @@ AppControls2.StyleBackground {
                 normalUI.focus = true;
                 changeFocusTarget.focus = true;
                 appPage.content.resetFocus();
+            } else {
+                if (text !== "") {
+                    fullScreenContent.viewFocusEnable();
+                }
             }
         }
         Keys.onDownPressed: changeFocusToListView()
@@ -121,8 +127,6 @@ AppControls2.StyleBackground {
         }
         onTextColorChanged: updateTextInputColor()
         Component.onDestruction: themePalette.styleColorChanged.disconnect(updateTextInputColor)
-
-        onFocusChanged: clear()
     }
 
     AppControls2.RoundButton {