QSlider 样式

https://doc.qt.io/archives/qt-4.8/stylesheet-examples.html

#if 0
    m_sliderVoice->setStyleSheet("\
                QSlider::groove:vertical {\
                border: 1px solid #4A708B;\
                background: #C0C0C0;\
                width: 50px;\
                border-radius: 1px;\
                padding-left:-1px;\
                padding-right:-1px;\
                padding-top:-1px;\
                padding-bottom:-1px;\
                }\
                \
                QSlider::sub-page:vertical {\
                background: #;\
                border: 1px solid #4A708B;\
                border-radius: 2px;\
                }\
                \
                QSlider::add-page:vertical {\
                background: qlineargradient(x1:, y1:, x2:, y2:, \
                    stop: #c4c4c4, stop: #B1B1B1);\
                background: qlineargradient(x1: , y1: 0.2, x2: , y2: ,\
                    stop:  #5DCCFF, stop:  #1874CD);\
                border: 0px solid #;\
                width: 10px;\
                border-radius: 2px;\
                }\
                \
                QSlider::handle:vertical \
                {\
                    background: qradialgradient(spread:pad, cx:0.5, cy:0.5, "\
                                     "radius:0.5, fx:0.5, fy:0.5, stop:0.6 #45ADED, \
                <span>    </span>stop:0.778409 rgba(, , , ));\
                \
                    height: 100px;\
                    margin-left: -30px;\
                    margin-right: 30px;\
                    border-radius: 5px;\
                }"
                                );
#else
    m_sliderVoice->setStyleSheet("\
                QSlider::groove\
                {\
                   background-color: grey;\
                   width: 50px;\
                }\
                QSlider::handle\
                {\
                    background-color:#05B8CC;\
                    border: 3px solid #05B8CC;\
                    height: 50px;\
                } \
                QSlider::sub-page\
                {\
                    background-color:grey;\
                }\
                QSlider::add-page\
                {\
                    background-color:white;\
                }\
                ");
#endif