How to make the default UI elements in Qt more beautiful?

Question

I am learning to use Qt & currently able to develop an Application with most of the widgets in their standard format. Now I want to make my widgets more beautiful. The standard one's are very dull for Windows. I would like to know which properties of widget's are normally used to change their appearance. For example, the standard QPushButton doesn't have a glassy appearance as can be observed in this video. Please observe the feel of the button's at 0:10 (10 secs after starting the video). Here's another example. The up & down button's & the button's below. How do I do such editing in Qt? Please note that I do not want to copy the UI, just want to know how to create such beautiful widgets? Any help on this topic would be very helpful for me. Thank You.

Answer 1

QStyle is one option, the other one is to edit the Stylesheet of a single component, In Qt Designer, you can open item's CSS sheet.

http://qt-project.org/doc/qt-4.8/stylesheet-examples.html

Answer 2

You should have a look at the QStyle class http://doc.qt.io/qt-4.8/qstyle.html

Answer 3

If you just started to learn Qt and you are not constrained to QWidget-style Qt by some Big Boss I'd recommend you to learn Qt QML because it is the future of Qt while QWidgets+stylesheets are becoming obsolete. Moreover it is much more simple to program against declarative QML than deal with buggy stylesheets.