finding out tags in a specified area on the canvas widget identifiedby x,yThis is a discussion on finding out tags in a specified area on the canvas widget identifiedby x,y within the TCL forums in Programming Languages category; Hi all, I am writing an application in Tk using Canvas widget. I have created some different polygons in it and tagged them using '- tags' command. Is there a way to find out what tags are there in a canvas at a specified location in the canvas say x,y. Thanks in advance! Ravikanth.... | ||||||||
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#1
08-28-2008, 01:14 AM
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 finding out tags in a specified area on the canvas widget identifiedby x,y Hi all, I am writing an application in Tk using Canvas widget. I have created some different polygons in it and tagged them using '- tags' command. Is there a way to find out what tags are there in a canvas at a specified location in the canvas say x,y. Thanks in advance! Ravikanth.  |
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#2
08-28-2008, 01:44 AM
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| Re: finding out tags in a specified area on the canvas widgetidentified by x,y On 27 août, 21:14, Ravikanth <rkanth....@gmail.com> wrote: > Hi all, > > I am writing an application in Tk using Canvas widget. > I have created some different polygons in it and tagged them using '- > tags' command. > > Is there a way to find out what tags are there in a canvas at a > specified location in the canvas say x,y. > > Thanks in advance! > > Ravikanth. You can get the IDs for each polygon using [$canvas find overlapping $x $y $x $y]. Once you have the IDs for each polygon, you can get their tags using [$canvas itemcget $id -tags]. |
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