How to programmatically get the resolution of a window and that of the system in Linux?

Question

I\'m trying to get the resolution of the screen as well as the resolution of a specific window (in which a program is running) on Linux system. I don\'t need to modify the resol

Answer 1

Depends:

• If you're hardcore and you want to use Xlib, have a look at XDisplayWidth() and XDisplayHeight().
• If you use Qt4 (my preference), try

   QApplication::desktop()->screenGeometry() 

  (see http://doc.qt.digia.com/4.0/qdesktopwidget.html )
• Or in Gtk, see http://library.gnome.org/devel/gdk/stable/GdkScreen.html