Fix text box title bar height/spacing when zooming

src/domain/UBGraphicsDelegateFrame.cpp

@@ -66,6 +66,7 @@ UBGraphicsDelegateFrame::UBGraphicsDelegateFrame(UBGraphicsItemDelegate* pDelega
     , mMirrorX(false)
     , mMirrorY(false)
     , mTitleBarHeight(hasTitleBar ? 20 :0)
+    , mNominalTitleBarHeight(hasTitleBar ? 20:0)
 {
     mAngleTolerance = UBSettings::settings()->angleTolerance->get().toReal();
 
@@ -117,6 +118,7 @@ UBGraphicsDelegateFrame::~UBGraphicsDelegateFrame()
 void UBGraphicsDelegateFrame::setAntiScale(qreal pAntiScale)
 {
     mFrameWidth = mNominalFrameWidth * pAntiScale;
+    mTitleBarHeight = mNominalTitleBarHeight * pAntiScale;
 
     QTransform tr;
     tr.scale(pAntiScale, pAntiScale);

src/domain/UBGraphicsDelegateFrame.h

@@ -143,6 +143,7 @@ class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
         bool mMirroredXAtStart;
         bool mMirroredYAtStart;
         qreal mTitleBarHeight;
+        qreal mNominalTitleBarHeight;
 
         QList<UBGraphicsDelegateFrame *> mLinkedFrames;
 };

src/domain/UBGraphicsItemDelegate.cpp

@@ -790,7 +790,7 @@ void UBGraphicsItemDelegate::updateButtons(bool showUpdated)
         }
         else if (button->getSection() == Qt::TitleBarArea){
             button->setParentItem(mFrame);
-            button->setPos(topXTitleBar + (k++ * (frameButtonHeight + 5)), topYTitleBar);
+            button->setPos(topXTitleBar + (k++ * (frameButtonHeight + 5) * mAntiScaleRatio), topYTitleBar);
             button->setTransform(tr);
             button->setTransform(QTransform::fromScale(0.8, 0.8), true);
         }