fix: improve update dialog UI and controls

1. Added space between process title and percentage in UpdateControl for
better readability
2. Increased dialog height in UpdateSelectDialog to accommodate content
better
3. Replaced standard buttons with custom ButtonWithToolTip component
that shows tooltips for truncated text
4. Removed redundant validation check in UpdateSetting's editingFinished
handler
5. Improved layout and spacing in UpdateSelectDialog for better visual
hierarchy

fix: 改进更新对话框UI和控件

1. 在UpdateControl中添加进度标题和百分比之间的空格以提高可读性
2. 增加UpdateSelectDialog对话框高度以更好容纳内容
3. 使用自定义ButtonWithToolTip组件替换标准按钮，可显示截断文本的工具提示
4. 移除UpdateSetting中editingFinished处理程序中的冗余验证检查
5. 改进UpdateSelectDialog中的布局和间距以获得更好的视觉层次

pms: Bug-313015
pms: Bug-316113

Author: xionglinlin

src/dcc-update-plugin/qml/UpdateControl.qml

@@ -181,7 +181,7 @@ ColumnLayout {
                 Layout.alignment: Qt.AlignRight
                 Layout.rightMargin: isDownloading ? pauseIcon.width + stopIcon.width + progressCtl.spacing * 2 : 0
                 width: parent.width
-                text: processTitle + Math.floor(process.value * 100) + "%"
+                text: processTitle + " " + Math.floor(process.value * 100) + "%"
                 font: D.DTK.fontManager.t8
             }
         }

src/dcc-update-plugin/qml/UpdateSelectDialog.qml

@@ -11,7 +11,7 @@ import org.deepin.dcc 1.0
 D.DialogWindow {
     id: root
     width: 360
-    height: 130
+    height: 150
     icon: "preferences-system"
     modality: Qt.WindowModal
 
@@ -20,9 +20,12 @@ D.DialogWindow {
     signal upgradeShutdownBtnClicked()
 
     ColumnLayout {
-        anchors.fill: parent
-        Label {
-            Layout.alignment: Qt.AlignHCenter
+        width: parent.width
+        height: 150 - DS.Style.dialogWindow.titleBarHeight
+
+        D.Label {
+            Layout.fillWidth: true
+            horizontalAlignment: Text.AlignHCenter
             wrapMode: Text.WordWrap
             text: qsTr("The updates have been already downloaded. What do you want to do?")
         }
@@ -33,26 +36,26 @@ D.DialogWindow {
 
         RowLayout {
             Layout.fillWidth: true
-            Layout.bottomMargin: 0
+            Layout.bottomMargin: 10
             spacing: 10
 
-            D.Button {
+            ButtonWithToolTip {
                 text: qsTr("Silent Installation")
                 Layout.fillWidth: true
                 onClicked: {
                     root.silentBtnClicked()
                 }
             }
 
-            D.Button {
+            ButtonWithToolTip {
                 text: qsTr("Update and Reboot")
                 Layout.fillWidth: true
                 onClicked: {
                     root.upgradeRebootBtnClicked()
                 }
             }
 
-            D.Button {
+            ButtonWithToolTip {
                 text: qsTr("Update and Shut Down")
                 textColor: D.Palette {
                     normal {
@@ -65,6 +68,31 @@ D.DialogWindow {
                     root.upgradeShutdownBtnClicked()
                 }
             }
+
+            component ButtonWithToolTip: D.Button {
+                id: customButton
+                // 1. 自定义内容项（核心）
+                contentItem: Text {
+                    id: buttonText
+                    text: customButton.text
+                    font: customButton.font
+                    color: customButton.D.ColorSelector.textColor
+                    horizontalAlignment: Text.AlignHCenter
+                    verticalAlignment: Text.AlignVCenter
+                    elide: Text.ElideRight  // 右侧省略
+                    width: customButton.width  // 继承按钮宽度
+                }
+
+                // 2. 启用悬停检测
+                hoverEnabled: true
+
+                // 3. 动态 ToolTip
+                ToolTip {
+                    visible: customButton.hovered && buttonText.truncated
+                    delay: 500
+                    text: customButton.text
+                }
+            }
         }
     }
 }

src/dcc-update-plugin/qml/UpdateSetting.qml

@@ -196,9 +196,6 @@ DccObject {
                         }
                     }
                     onEditingFinished: {
-                        if (lineEdit.showAlert) {
-                            return
-                        }
                         if (lineEdit.text.length === 0) {
                             lineEdit.text = dccData.model().downloadSpeedLimitSize
                             return