GUI: big performance gains in the GUI

src/gui/Src/Gui/RegistersView.cpp

@@ -2523,7 +2523,7 @@ void RegistersView::debugStateChangedSlot(DBGSTATE state)
 
 void RegistersView::repaint()
 {
-    this->viewport()->repaint();
+    this->viewport()->update();
 }
 
 SIZE_T RegistersView::GetSizeRegister(const REGISTER_NAME reg_name)

src/gui/Src/Gui/ScriptView.cpp

@@ -329,7 +329,7 @@ void ScriptView::keyPressEvent(QKeyEvent* event)
         {
             setTableOffset(getInitialSelection() - getNbrOfLineToPrint() + 2);
         }
-        repaint();
+        reloadData();
     }
     else if(key == Qt::Key_Return || key == Qt::Key_Enter)
     {

src/gui/Src/Gui/StatusLabel.cpp

@@ -46,7 +46,7 @@ void StatusLabel::debugStateChangedSlot(DBGSTATE state)
         break;
     }
 
-    this->repaint();
+    this->update();
 }
 
 void StatusLabel::logUpdate(QString message)

src/gui/Src/QHexEdit/QHexEditPrivate.cpp

@@ -208,7 +208,7 @@ void QHexEditPrivate::setHorizontalSpacing(int x)
     _horizonalSpacing = x;
     adjust();
     setCursorPos(cursorPos());
-    this->repaint();
+    this->update();
 }
 
 int QHexEditPrivate::horizontalSpacing()

src/gui/Src/Utils/RichTextPainter.cpp

@@ -42,7 +42,7 @@ void RichTextPainter::paintRichText(QPainter* painter, int x, int y, int w, int
             painter->setPen(pen);
             break;
         }
-        painter->drawText(QRect(x + xinc, y, w - xinc, h), 0, curRichText.text); //TODO: this bottlenecks
+        painter->drawText(QRect(x + xinc, y, w - xinc, h), Qt::TextBypassShaping, curRichText.text);
         if(curRichText.highlight)
         {
             highlightPen.setColor(curRichText.highlightColor);