app: Use present rather than show for about dialog
show is called as part of present, and present should be prefered for window subclasses.
This might solve a x11 related bug where you lose focus.
Implements root for the main window.
show is called as part of present, and present should be prefered for window subclasses.
This might solve a x11 related bug where you lose focus.
Implements root for the main window.