bug fix for Qt style sheets for main window

ChangeLog

@@ -9,8 +9,6 @@
 
 - changed the maximum number of clients supported by the server from 20 to 50
 
-
-TODO after change with scroll bar, the mute/solo buttons are no longer correct under Linux (maybe a Qt problem)
 TODO after change with scroll bar, the tool tip below fader showing instrument/etc. is transparent under MacOS
 
 TODO for the 64 samples version check the audio quality stereo/high for bandwidth (less high frequencies as with 128 samples and stereo/high)

src/audiomixerboard.cpp

@@ -496,7 +496,6 @@ CAudioMixerBoard::CAudioMixerBoard ( QWidget* parent, Qt::WindowFlags ) :
     setWidgetResizable ( true ); // make sure it fills the entire scroll area
     setVerticalScrollBarPolicy ( Qt::ScrollBarAlwaysOff );
     setHorizontalScrollBarPolicy ( Qt::ScrollBarAsNeeded );
-    setStyleSheet ( "background: transparent;" );
     setFrameShape ( QFrame::NoFrame );
 
 

src/clientdlg.cpp

@@ -1155,6 +1155,8 @@ void CClientDlg::SetGUIDesign ( const EGUIDesign eNewDesign )
             "                         font:           bold; }"
             "QRadioButton {           color:          rgb(148, 148, 148);"
             "                         font:           bold; }"
+            "QScrollArea {            background:     transparent; }"
+            "QGroupBox {              background:     transparent; }"
             "QGroupBox::title {       color:          rgb(148, 148, 148); }"
             "QCheckBox::indicator {   width:          38px;"
             "                         height:         21px; }"