Tkinter 8.5 reference: a GUI for Python |  |
Tkinter 8.5 reference: a GUI for Python | |
Because the canvas may be larger than the window, and equipped with scrollbars to move the overall canvas around in the window, there are two coordinate systems for each canvas:
The window coordinates of a point are relative to the top left corner of the area on the display where the canvas appears.
The canvas coordinates of a point are relative to the top left corner of the total canvas.