I believe the GUI was ugly when I tested it on mac.
Do you have a mac there to test this out?
Otherwise, Ries knows better.
ravas wrote
Why is this needed?
#if defined(Q_OS_MAC) && QT_VERSION > 0x050000
//need stylesheet for Qt5 on mac
app.setStyleSheet(
"QToolButton:checked"
"{"
" background-color: rgb(160,160,160);"
" border-style: inset;"
"}"
""
"QToolButton"
"{"
" background-color: transparent;"
"}"
""
"QToolButton:hover"
"{"
" background-color: rgb(255,255,255);"
" border-style: outset;"
"}"
);
#endif