Reading coords from a scrolled Tkinter Canvas widget?
phlip_cpp at yahoo.com
Sun Jun 2 13:06:21 EDT 2002
G. Willoughby wrote:
> I am having a few problems reading the correct coords from a scrolled
> canvas widget! e.g. i have a .jpg about 2000x2000pixels displayed inside a
> canvas widget measuring 564x564pixels when i scroll the canvas using the
> attached scrollbars i want to click the mouse and read the x/y coords of
> the .jpg where my cursor is, not the canvas widget, any ideas? This is the
> code i have at the minute:
Your code appears not to grok canvasx and canvasy. They translate event.x
style coordinates to canvas model coordinates.
BTW you could be using a Python Megawidgets Pmw.ScrolledCanvas here. More
features less pain.
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