feat: add focus with AlphabetCategory when change to another word.

as title.

PMS-BUG-289159

Author: wjyrich

qml/windowed/AlphabetCategoryPopup.qml

@@ -22,6 +22,7 @@ Popup {
 
     property alias existingSections: alphabetCategoryDelegateModel.model
     property int columns: 5
+    property string currentCategory: ""
 
     readonly property int cellWidth: 24
     readonly property int cellHeight: 24
@@ -31,6 +32,54 @@ Popup {
     width: alphabetCategoryContainer.width + 20
     height: alphabetCategoryContainer.height + 20
 
+    onOpened: {
+        alphabetCategoryContainer.gridViewFocus = true
+        alphabetCategoryContainer.focus = true
+        alphabetCategoryContainer.showFocusHighlight = false
+    }
+
+    // 弹窗关闭时清除焦点状态
+    onClosed: {
+        alphabetCategoryContainer.gridViewFocus = false
+        alphabetCategoryContainer.focus = false
+        alphabetCategoryContainer.showFocusHighlight = false
+    }
+
+    function setCurrentCategory(category) {
+        currentCategory = category
+        // 使用Timer延迟设置，确保model已经更新
+        setIndexTimer.category = category
+        setIndexTimer.restart()
+    }
+
+    Timer {
+        id: setIndexTimer
+        interval: 10
+        property string category: ""
+        onTriggered: {
+            if (category !== "") {
+                for (let i = 0; i < alphabetCategoryDelegateModel.model.length; i++) {
+                    if (alphabetCategoryDelegateModel.model[i] === category) {
+                        // 临时禁用高亮移动动画，直接跳转到目标位置
+                        var originalDuration = alphabetCategoryContainer.highlightMoveDuration
+                        alphabetCategoryContainer.highlightMoveDuration = 0
+                        alphabetCategoryContainer.currentIndex = i
+                        // 恢复原来的动画时间
+                        alphabetCategoryContainer.highlightMoveDuration = originalDuration
+                        break
+                    }
+                }
+            }
+        }
+    }
+
+    onCurrentCategoryChanged: {
+        if (currentCategory !== "") {
+            setIndexTimer.category = currentCategory
+            setIndexTimer.restart()
+        }
+    }
+
     DelegateModel {
         id: alphabetCategoryDelegateModel
 
@@ -77,14 +126,14 @@ Popup {
         id: alphabetCategoryContainer
 
         anchors.centerIn: parent
-
         model: alphabetCategoryDelegateModel
         columns: root.columns
         rows: model.count / columns + (model.count % columns > 0 ? 1 : 0)
         cellWidth: root.cellWidth
         cellHeight: root.cellHeight
         paddingColumns: root.paddingColumns
         paddingRows: root.paddingRows
+        showFocusHighlight: false
 
         highlight: Item {
             FocusBoxBorder {
@@ -93,11 +142,18 @@ Popup {
                 height: root.cellHeight
                 radius: root.cellWidth / 2
                 color: parent.palette.highlight
-                visible: alphabetCategoryContainer.activeFocus
+                visible: alphabetCategoryContainer.gridViewFocus && alphabetCategoryContainer.showFocusHighlight
             }
         }
 
-       activeFocusOnTab: gridViewFocus
+        activeFocusOnTab: true
+
+        Keys.onTabPressed: {
+            if (gridViewFocus) {
+                showFocusHighlight = !showFocusHighlight
+                event.accepted = true
+            }
+        }
     }
 
     background: FloatingPanel {

qml/windowed/AppListView.qml

@@ -129,6 +129,7 @@ FocusScope {
                         onClicked: {
                             if (CategorizedSortProxyModel.categoryType === CategorizedSortProxyModel.Alphabetary) {
                                 alphabetCategoryPopup.existingSections = CategorizedSortProxyModel.alphabetarySections()
+                                alphabetCategoryPopup.setCurrentCategory(section.toUpperCase())
                                 var mousePos = mapToItem(listView, mouseX, mouseY)
                                 var y = (mousePos.y + alphabetCategoryPopup.height) < listView.height ? mousePos.y : listView.height - alphabetCategoryPopup.height
                                 alphabetCategoryPopup.y = y
@@ -396,6 +397,7 @@ FocusScope {
 
             onCategoryClicked: {
                 scrollToAlphabetCategory(character)
+                alphabetCategoryPopup.setCurrentCategory(character)
                 close()
             }
 

qml/windowed/GridViewContainer.qml

@@ -31,16 +31,23 @@ FocusScope {
     property real cellHeight: 82
     property real cellWidth: 80
     property Transition itemMove
+    property bool showFocusHighlight: true
 
     readonly property alias currentItem: gridView.currentItem
     readonly property alias gridViewWidth: gridView.width
     property alias highlight: gridView.highlight
     property ScrollBar vScrollBar
+    property alias currentIndex: gridView.currentIndex
+    property alias highlightMoveDuration: gridView.highlightMoveDuration
 
     function positionViewAtBeginning() {
         gridView.positionViewAtBeginning()
     }
 
+    function setCurrentIndex(index) {
+        gridView.currentIndex = index
+    }
+
     function itemAt(x, y) {
         let point = mapToItem(gridView, x, y)
         return gridView.itemAt(point.x, point.y)
@@ -106,12 +113,12 @@ FocusScope {
                     event.key === Qt.Key_Right ||
                     event.key === Qt.Key_Up ||
                     event.key === Qt.Key_Down) {
-
                     if (!keyTimer.running) {
                         keyTimer.start()
-                    } else {
+                    }else{
                         event.accepted = true
                     }
+                    root.showFocusHighlight = true
                 }
             }
             Timer {