Control: add implicitBackgroundWidth|Height properties

[ChangeLog][Controls][Control] Added implicitBackgroundWidth and
implicitBackgroundHeight properties that can be used to simplify
complex implicit size bindings.

Task-number: QTBUG-60156
Change-Id: Ia68df187c2a458c84de19f867d76a643134e8b69
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 2 insertions, 18 deletions

diff --git a/src/quicktemplates2/qquickpane.cpp b/src/quicktemplates2/qquickpane.cpp
index cf89822a..d4c38fb6 100644
--- a/src/quicktemplates2/qquickpane.cpp
+++ b/src/quicktemplates2/qquickpane.cpp
@@ -107,8 +107,6 @@ QT_BEGIN_NAMESPACE
         {Focus Management in Qt Quick Controls 2}
 */
 
-static const QQuickItemPrivate::ChangeTypes ImplicitSizeChanges = QQuickItemPrivate::ImplicitWidth | QQuickItemPrivate::ImplicitHeight | QQuickItemPrivate::Destroyed;
-
 QQuickPanePrivate::QQuickPanePrivate()
     : hasContentWidth(false),
       hasContentHeight(false),
@@ -135,30 +133,16 @@ QQuickItem *QQuickPanePrivate::getContentItem()
     return new QQuickContentItem(q);
 }
 
-void QQuickPanePrivate::addImplicitSizeListener(QQuickItem *item)
-{
-    if (!item)
-        return;
-
-    QQuickItemPrivate::get(item)->addItemChangeListener(this, ImplicitSizeChanges);
-}
-
-void QQuickPanePrivate::removeImplicitSizeListener(QQuickItem *item)
-{
-    if (!item)
-        return;
-
-    QQuickItemPrivate::get(item)->removeItemChangeListener(this, ImplicitSizeChanges);
-}
-
 void QQuickPanePrivate::itemImplicitWidthChanged(QQuickItem *item)
 {
+    QQuickControlPrivate::itemImplicitWidthChanged(item);
     if (item == contentItem || item == firstChild)
         updateContentWidth();
 }
 
 void QQuickPanePrivate::itemImplicitHeightChanged(QQuickItem *item)
 {
+    QQuickControlPrivate::itemImplicitHeightChanged(item);
     if (item == contentItem || item == firstChild)
         updateContentHeight();
 }