comparison widgets/Thumbwheel.cpp @ 1589:27ea5d61b402

Provide context menu in LevelPanToolButton, + a bit of tidying

 {
     if (!m_provideContextMenu) {
         return;
     }
     
-    if (m_lastContextMenu) {
-        delete m_lastContextMenu;
-    }
-    
-    QMenu *m = new QMenu;
+    delete m_lastContextMenu;
+    m_lastContextMenu = new QMenu;
+    auto m = m_lastContextMenu;
 
     if (m_title == "") {
         MenuTitle::addTitle(m, tr("Thumbwheel"));
     } else {        
         MenuTitle::addTitle(m, m_title);

                  [=]() {
                      resetToDefault();
                  });
 
     m->popup(mapToGlobal(pos));
-    m_lastContextMenu = m;
 }
 
 void
 Thumbwheel::setRangeMapper(RangeMapper *mapper)
 {

 {
     m_showTooltip = show;
     m_noMappedUpdate = true;
     updateMappedValue(getValue());
     m_noMappedUpdate = false;
+}
+
+void
+Thumbwheel::setProvideContextMenu(bool provide)
+{
+    m_provideContextMenu = provide;
 }
 
 void
 Thumbwheel::setMinimumValue(int min)
 {