Widgets:

 QMultiSelectWidget:
  a multi select list view and combobox.
 
 QSearchLineEdit:
  a line edit with search icon and search menu and clear button and even better, there is an embeded progress bar.
 
 QTextBrowserDialog:
  a messagebox dialog for support long text. it's good for show long text within small screens.
 
 QExtendedSplashScreen:
  a splash screen widget like QSplashScreen with support text position and transparent splashes. 
 

 
Installation:
 Just include 'pQjWidgets.pri' in your .pro file and include header files where they are needed.