QQuickMenu: add a little delay for opening sub-menus on hover

This improves the usability on desktop. When a menu has multiple sub-
menu items, they don't all trigger a sub-menu (and close immediately)
while moving mouse over the items.

Change-Id: Ie4c9e409da8d6877e35506bffb94ed57f5985dcd
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/quicktemplates2/qquickmenu_p_p.h b/src/quicktemplates2/qquickmenu_p_p.h
index 675f1d93..5887d4e5 100644
--- a/src/quicktemplates2/qquickmenu_p_p.h
+++ b/src/quicktemplates2/qquickmenu_p_p.h
@@ -102,6 +102,9 @@ public:
     void openSubMenu(QQuickMenuItem *item, bool activate);
     void closeSubMenu(QQuickMenu *subMenu);
 
+    void startHoverTimer();
+    void stopHoverTimer();
+
     int currentIndex() const;
     void setCurrentIndex(int index);
 
@@ -111,6 +114,7 @@ public:
     static void contentData_clear(QQmlListProperty<QObject> *prop);
 
     bool cascade;
+    int hoverTimer;
     qreal overlap;
     QPointer<QQuickMenu> parentMenu;
     QPointer<QQuickMenuItem> currentItem;