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How do I take a screenshot when e.g. the wrench menu in Chrome is open?

Or perhaps the File menu in Firefox?

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2 Answers 2

up vote 9 down vote accepted

Install a tool for making screenshots, such as scrot, or ImageMagick's import, then run it with a delay from terminal:

$ sleep 5; gnome-screenshot

$ sleep 5; scrot menu.png

$ sleep 5; import -window root menu.png

After running it, quickly open the menu and wait.

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When I tried the import I got a screenshot of another desktop (using Gnome 3), but the others most certainly worked perfect! –  Sandra Sep 18 '11 at 18:18
scrot -cd 5 will take a screenshot in 5... 4... 3... –  Rob Sep 19 '11 at 15:50
gnome-screenshot -d 5 will have 5 second delay. Add -w to only capture the active window, not the whole desktop. –  cledoux Dec 2 '13 at 20:08

Click on the menu that you would like to take a screenshot.

Then click "Print Screen" button (or the Fn+Print Screen) on the keyboard. Depending upon the version of linux open Tuxpaint (I assume using Debian), and paste the image.

This will actually save the entire screen. You may crop the extra areas now and save it in desired format.

This is one of the simplest ways that I use for snapshots...

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At least in GNOME 3, the menu loses focus and closes when Print Screen is pressed. (Seems to be a bug, though.) –  grawity Sep 18 '11 at 19:18

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