Control: add implicitContentWidth|Height properties

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

Change-Id: I6ccef572c013605058808ce2ad17f8bd82f49ef0
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/quicktemplates2/qquickcontrol_p_p.h b/src/quicktemplates2/qquickcontrol_p_p.h
index 5c0d253e..f1873da9 100644
--- a/src/quicktemplates2/qquickcontrol_p_p.h
+++ b/src/quicktemplates2/qquickcontrol_p_p.h
@@ -166,6 +166,13 @@ public:
     void itemImplicitHeightChanged(QQuickItem *item) override;
     void itemDestroyed(QQuickItem *item) override;
 
+    virtual qreal getContentWidth() const;
+    virtual qreal getContentHeight() const;
+
+    void updateImplicitContentWidth();
+    void updateImplicitContentHeight();
+    void updateImplicitContentSize();
+
     struct ExtraData {
         ExtraData();
         bool hasTopPadding;
@@ -194,6 +201,8 @@ public:
     qreal padding;
     qreal horizontalPadding;
     qreal verticalPadding;
+    qreal implicitContentWidth;
+    qreal implicitContentHeight;
     qreal spacing;
     QLocale locale;
     QFont resolvedFont;