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Practical Programming in Tcl & Tk, Third Edition by Brent B. Welch

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Tag Bindings

You can associate a tag with bindings so that when the user clicks on different areas of the text display, different things happen. The syntax for the tag bind command is similar to that of the main Tk bind command. You can both query and set the bindings for a tag. Chapter 26 describes the bind command and the syntax for events in detail.

The only events supported by the tag bind command are Enter, Leave, ButtonPress, ButtonRelease, Motion, KeyPress, and KeyRelease. ButtonPress and KeyPress can be shorted to Button and Key as in the regular bind command. The Enter and Leave events are triggered when the mouse moves in and out of characters with a tag, which is different from when the mouse moves in and out of the window.

If a character ...

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