Hi, have you find out for changing the whole background? I'd like to make a white background instead of basic system default one (grey ugly for Windows)
For the main window (and this
only changes the main window) you open the overviewpage.ui file in the src/qt/forms folder in a text editor and right below the line
<widget class="QWidget" ... line at the top, add the following lines:
<property name="styleSheet">
<string notr="true">QWindow { background-color: color:#FFFFFF; }</string>
</property>
The color is in hex notation so in this case the background will be white.
Repeat this process for all the other dialogs whose background you want to change by editing their respective files in that folder.
Unfortunately the .ui files from /qt/forms folder don't include the possibility of modifying the header menus.