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I rely on wmctrl a lot to switch between windows, basically to avoid typing alt-tab many times. I've always used one workspace but now I want to begin using more than one.

I was wondering if it is possible to modify the context of wmctrl so that when I type wmctrl -l, only windows from the current workspace are shown, instead of all windows from all workspaces.

For example, assuming I have a Firefox window opened in workspace 1. I have a keyboard shortcut on ctrl+alt+f that executes wmctrl -a firefox, which switches to Firefox. If I open a new Firefox window on workspace 2 and type ctrl+alt+f, it will switch to the window at workspace 1, which is not what I want.

Any suggestions/ideas on how to solve this?

EDIT: I'm using compiz (Unity)

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1 Answer

up vote 2 down vote accepted

If you're using Compiz (run wmctrl -m if not sure), wmctrl only sees 1 desktop (2nd field of wmctrl -l, ie 0) but you can use the geometry (-G) option to know what window is on what virtual desktop. All windows in your current desktop will have an x-position between 0 and your screen's width. Same for the y-position between 0 and your screen's height. So you can use something like that

#!/bin/bash

SCREEN_W=$(xwininfo -root | sed -n 's/^  Width: \(.*\)$/\1/p')
SCREEN_H=$(xwininfo -root | sed -n 's/^  Height: \(.*\)$/\1/p')

NAME='Navigator.Firefox'

wmctrl -xlG | awk -v W="$SCREEN_W" -v H="$SCREEN_H" -v NAME="$NAME" '$7==NAME && $3>=0 && $3<W && $4>=0 && $4<H {print $1}' | while read WINS; do wmctrl -ia "$WINS"; done

exit 0

You can hardcode your screen's width and height if you will, and NAME if you want a one-liner. Im not sure how you want to handle multiple windows matching NAME. That will focus them all.

For metacity, desktop number of windows can be found using wmctrl -l and grepping the 2nd field.

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The only issue is that, besides my laptop's screen (14"), I use a monitor at the lab and another at home, the three of them having distinct resolutions, so the x-position varies depending on which display I'm using. I guess I could define ranges, mmm. Will try it. I wonder if there are alternatives to make wmctlr know the desktop number on compiz –  ivotron Oct 1 '12 at 20:06
    
That's what the 2 first lines are for. They get your screen resolution (SCREEN_W: width and SCREEN_H: height) and pass them in awk.. You can either use the code abore for all 3 or use 3 different commands for each of them, ae (1440x900): wmctrl -xlG | awk '$7=="Navigator.Firefox" && $3>=0 && $3<1440 && $4>=0 && $4<900 {print $1}' | while read WIN; do wmctrl -ia "$WIN"; done –  user55822 Oct 1 '12 at 20:27
    
i see, cool! that solves my issue then. Thanks! Will work on it and comment back on how it went –  ivotron Oct 1 '12 at 22:34
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