How to disable windows' contents to be moved on dragging, so that only a frame is draggend and a window is obly redrawed on drop? In Windows, KDE and XFCE this can be easily configured, but in Gnome (Ubuntu 10.10) I couldn't find where to set this up :-(
First, disable desktop effects to get metacity instead of compiz. Then open gconf-editor, find /apps/metacity/general, and enable
As far as I know there's no option to enable it through the GUI, gconf is the only way.