diff --git a/wrap/qt/trackball.h b/wrap/qt/trackball.h
index 66ab35e6..6b86a2b9 100644
--- a/wrap/qt/trackball.h
+++ b/wrap/qt/trackball.h
@@ -35,19 +35,13 @@ static vcg::Trackball::Button QT2VCG (Qt::MouseButton qtbt, Qt::KeyboardModifier
 {
   int vcgbt = vcg::Trackball::BUTTON_NONE;
 
-  if (qtbt & Qt::LeftButton)
-    vcgbt |= vcg::Trackball::BUTTON_LEFT;
-  if (qtbt & Qt::RightButton)
-    vcgbt |= vcg::Trackball::BUTTON_RIGHT;
-  if (qtbt & Qt::MidButton)
-    vcgbt |= vcg::Trackball::BUTTON_MIDDLE;
+  if (qtbt & Qt::LeftButton)	vcgbt |= vcg::Trackball::BUTTON_LEFT;
+  if (qtbt & Qt::RightButton)	vcgbt |= vcg::Trackball::BUTTON_RIGHT;
+  if (qtbt & Qt::MidButton)		vcgbt |= vcg::Trackball::BUTTON_MIDDLE;
 
-  if (modifiers & Qt::ShiftModifier)
-    vcgbt |= vcg::Trackball::KEY_SHIFT;
-  if (modifiers & Qt::ControlModifier)
-    vcgbt |= vcg::Trackball::KEY_CTRL;
-  if (modifiers & Qt::AltModifier)
-    vcgbt |= vcg::Trackball::KEY_ALT;
+  if (modifiers & Qt::ShiftModifier)		vcgbt |= vcg::Trackball::KEY_SHIFT;
+  if (modifiers & Qt::ControlModifier)	vcgbt |= vcg::Trackball::KEY_CTRL;
+  if (modifiers & Qt::AltModifier)			vcgbt |= vcg::Trackball::KEY_ALT;
 
   return vcg::Trackball::Button (vcgbt);
 }
@@ -57,12 +51,9 @@ static vcg::Trackball::Button QTWheel2VCG (Qt::KeyboardModifiers modifiers)
 {
   int vcgbt = vcg::Trackball::WHEEL;
 
-  if (modifiers & Qt::ShiftModifier)
-    vcgbt |= vcg::Trackball::KEY_SHIFT;
-  if (modifiers & Qt::ControlModifier)
-    vcgbt |= vcg::Trackball::KEY_CTRL;
-  if (modifiers & Qt::AltModifier)
-    vcgbt |= vcg::Trackball::KEY_ALT;
+  if (modifiers & Qt::ShiftModifier)		vcgbt |= vcg::Trackball::KEY_SHIFT;
+  if (modifiers & Qt::ControlModifier)	vcgbt |= vcg::Trackball::KEY_CTRL;
+  if (modifiers & Qt::AltModifier)			vcgbt |= vcg::Trackball::KEY_ALT;
 
   return vcg::Trackball::Button (vcgbt);
 }