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I recently installed Linux Mint 13 64bit with Cinamon Desktop and run into a weird problem.

It's about losing Mouse-Focus if more than one Window are open.

For Example, I open up Chromium, play around a little bit, and then, if I try to open any Programms from the Taskbar, I cannot click on it. It seems that Chromium won't free his Focus.

Another Example, if I open two Windows (e.g. Chromium and a Terminal) and I work with Chromium, then click into the Terminal I get no Focus to it.

Sorry, its a bit hard to explain.

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I found out, if i click ont the window's title bar (from the Programm, not System-one), Focus set free and I can Navigate to another Windows. –  Chris Nov 4 '12 at 4:14
    
Ok, I think I found the Main Reasson for this Problem. The Problem only appears, if any Window has an activated TextBox. If I just click into an TextBox (dosnt matter if its a browser, a terminal or something else), this Window locks the Focus. –  Chris Nov 4 '12 at 4:28
    
Are you using the compositor? I had problems with this, and turned off the compositor. With my situation though it was using XFCE and the some gnome tools. Turn it off and I didn't have the problems. But it did exhibit what you are describing, clicking 'through' the terminal body and accidentally clicking on links, etc. –  vgoff Nov 4 '12 at 22:13
    
I look around a bit and found out, that the Compositor was already off. Is it possible that the Problems come from the AMD Graphic Drivers? My System runs on a Radeon HD 6800 with two Monitors via DVI. –  Chris Nov 8 '12 at 20:05
    
I searched a bit around and found a Post at Unix exchange, who describes exact my Problem. unix.stackexchange.com/questions/33980/… –  Chris Nov 8 '12 at 20:17

2 Answers 2

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Ensure you don't have compositor on.

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Compositor wasn't being used, per comment on the question. –  vgoff Nov 8 '12 at 23:38

The window manager is responsible for window selection and focus. Figure out which window manager you have running (X session) and consult their documentation on the topics of "window focus". Cinnamon seems to be a fork of GNOME 2.

For example: Fluxbox: focus model

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