How to repeat ctrl+Tab at specified interval

[Douglas Banker]

I'm running Raspbian Jessie on a Pi 3.  I want to make an automated dashboard.  I can get chromium-browser to open with 3 tabs but I can't automate the ctrl+Tab.  this works from the command line in an lxterminal:

watch -n 10 'xdotool search --onlyvisible --class "chromium" windowfocus; xdotool key ctrl+Tab' but it doesn't work in the LXDE autostart file or in a bash script.  I've been looking all over the internet with lots of ideas but none seem to work.  If I can get it to work from a command line what am I doing wrong to get it to work in autostart or bash?

Thanks!   Doug

[Glen Duncan]

On Wednesday, September 21, 2016 at 1:38:08 AM UTC-4, Douglas Banker wrote:

I'm running Raspbian Jessie on a Pi 3.  I want to make an automated dashboard.  I can get chromium-browser to open with 3 tabs but I can't automate the ctrl+Tab.  this works from the command line in an lxterminal:

watch -n 10 'xdotool search --onlyvisible --class "chromium" windowfocus; xdotool key ctrl+Tab' but it doesn't work in the LXDE autostart file or in a bash script.  I've been looking all over the internet with lots of ideas but none seem to work.  If I can get it to work from a command line what am I doing wrong to get it to work in autostart or bash?

I don't have an answer to your specific problem, but I've been working on making similar dashboards and kiosks. Rather than try and wedge chromium-browser to behave the way you want (hiding window decorations, etc) take a look at gtk-webkit. You can run web content in a window or in the root window without a window manager even installed!

[dno...@bacgroup.net]

i had the same problem. run ok from the command line but doesn't works in a bash.

i solved adding a sleep between commands. same like this.. 

sleep 15 &&

xdotool mousemove 200 300 && 

sleep 10 &&

xdotool click 1

sleep 2

xdotool key Tab

[Anthony Thyssen]

You can do sleep commands in the same xdotool command.

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[Jordan Sissel]

If you want to repeat a key stroke periodically, check out the --repeat and --repeat-delay settings.

In your case, it looks like you are trying to send ctrl+Tab every 10 seconds, something like this:

xdotool key --repeat 5 --repeat-delay 10000 ctrl+Tab

(repeat 5 times with 10,000 milliseconds between each keystroke)

There's no "repeat forever" right now, but I'm open to adding it if folks need. A 'repeat forever' can be achieved with the following shell

while true; do

  xdotool key ctrl+Tab

  sleep 10

done

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