chore: can't use ScrollView in qt5

as title.

Author: 18202781743

src/qml/ScrollView.qml

@@ -2,8 +2,32 @@
 //
 // SPDX-License-Identifier: LGPL-3.0-or-later
 
-import QtQuick.Controls 2.4
+import QtQuick 2.12
+import QtQuick.Controls.impl 2.12
+import QtQuick.Templates 2.12 as T
+import org.deepin.dtk 1.0 as D
 
-ScrollView {
+T.ScrollView {
+    id: control
 
+    implicitWidth: Math.max(implicitBackgroundWidth + leftInset + rightInset,
+                            contentWidth + leftPadding + rightPadding)
+    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
+                             contentHeight + topPadding + bottomPadding)
+
+    D.ScrollBar.vertical: D.ScrollBar {
+        parent: control
+        x: control.mirrored ? 0 : control.width - width
+        y: control.topPadding
+        height: control.availableHeight
+        active: control.D.ScrollBar.horizontal.active
+    }
+
+    D.ScrollBar.horizontal: D.ScrollBar {
+        parent: control
+        x: control.leftPadding
+        y: control.height - height
+        width: control.availableWidth
+        active: control.D.ScrollBar.vertical.active
+    }
 }