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how to let a GUI size depend on the monitor size

Posted by paolillo (paolillo), 12 June 2006
Dear Tclers,

I am building up a GUI that works perfectly on a computer with a new LCD screen. But when I make it running on another computer with an old monitor(smaller and with not a big resolution) the size of the interface results too big for that display.

My question is: is there an easy way to let the GUI size be dependent on the monitor where it is diplayed?

thank You very much indeed,

Paolo

Posted by admin (Graham Ellis), 12 June 2006
You can use the winfo command to find the size in pixels of your screen as managed by the X windows system:

Code:
% winfo screenheight .
900
% winfo screenwidth .
1440
%


You can also use winfo to find the size in mm .... assuming that it's been set up properly:

Code:
% winfo screenmmheight .
318
% winfo screenmmwidth .
508
%


By taking the values returned from these calls, you can derive the settings you want to make in commands like wm



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