start struts timer in resizeEvent

Summary:
starting the stuts timer in resize/move events means we don't have to
litter it across any code that might move/resize the panel, also we get
event compression for free (so could probably remove the timer in
future).
Much neater and fixes a bug.

BUG: 362887

Reviewers: #plasma

Subscribers: plasma-devel

Projects: #plasma

Differential Revision: https://phabricator.kde.org/D1584

shell/panelview.cpp

@@ -196,7 +196,6 @@ void PanelView::setOffset(int offset)
     positionPanel();
     emit offsetChanged();
     m_corona->requestApplicationConfigSync();
-    m_strutsTimer.start(STRUTSTIMERDELAY);
     emit m_corona->availableScreenRegionChanged();
 }
 
@@ -357,9 +356,6 @@ void PanelView::positionPanel()
         slideLocation = KWindowEffects::BottomEdge;
         break;
     }
-    m_strutsTimer.stop();
-    m_strutsTimer.start(STRUTSTIMERDELAY);
-
     const QPoint pos = geometryByDistance(m_distance).topLeft();
     setPosition(pos);
     if (m_shellSurface) {
@@ -624,18 +620,20 @@ void PanelView::setAutoHideEnabled(bool enabled)
 void PanelView::resizeEvent(QResizeEvent *ev)
 {
     updateMask();
-    //don't setGeometry() to meke really sure we aren't doing a resize loop
+    //don't setGeometry() to make really sure we aren't doing a resize loop
     const QPoint pos = geometryByDistance(m_distance).topLeft();
     setPosition(pos);
     if (m_shellSurface) {
         m_shellSurface->setPosition(pos);
     }
+    m_strutsTimer.start(STRUTSTIMERDELAY);
     PlasmaQuick::ContainmentView::resizeEvent(ev);
 }
 
 void PanelView::moveEvent(QMoveEvent *ev)
 {
     updateMask();
+    m_strutsTimer.start(STRUTSTIMERDELAY);
     PlasmaQuick::ContainmentView::moveEvent(ev);
 }
 
@@ -874,6 +872,7 @@ void PanelView::updateStruts()
         return;
     }
 
+
     NETExtendedStrut strut;
 
     if (m_visibilityMode == NormalPanel) {