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Just installed MATE on my laptop running Ubuntu 16.04 and I tried to get to mate-screenshot the same behaviour as gnome-screenshot does in Unity: just press Shift+Print to choose the portion of the screen that you want to capture. The corresponding command to be executed under MATE should be "mate-screenshot -a", executing it manually works, but trying to set it as custom shortcut doesn't work, it does nothing.
Any ideas?
There is still an opened issue for that. tl;dr: this is a timing problem with focus. workaround:
bash -c "sleep 0.1 && mate-screenshot -a"
I reproduced your issue and with help from @Serg and @Seth I figured out how to fix it.
In the shortcut you have set DISPLAY to match your environment. First check the variable:
echo $DISPLAY
and take note of the output. For me it's :0.0
Originally I suggested using this command in the shortcut setting:
bash -c "DISPLAY=:0.0 mate-screenshot -a"
Replacing :0.0 to match the output you got when you checked the variable
But @DavidFoerster pointed out in a comment that the more efficient and proper way is to use
env DISPLAY=:0.0 mate-screenshot -a
Which might make it a touch faster.
env command, e. g. env DISPLAY=:0.0 mate-screenshot -a. No need to resort to the relatively bloated Bash (or even Dash). Otherwise +1.
Jul 18, 2017 at 6:55
Workaround if using Compiz and you can give up Windows captures.
Go into Compiz Mate Compatibility settings and change the Window screenshot command line to mate-screenshot -a. It will then work if you are already using compiz (not Marco). The shortcut key combo is ALT + Printscreen.
mate-screenshot -a, which worked fine. Is there any possibility of hardware issues ? ( meaning, can you try another keyboard ?)