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I need to make both a Control + Z and Shift + Control + Z function in a Tkinter Text widget, so that one may undo and redo things.
Does anyone have an idea on how to do it?
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The Tkinter Text widget already supports undo with Control + Z and redo with Shift + Control + Z, but you have to enable them on the widget with undo=True .
Most Python commands which affect the underlying state of an object create an undo/redo action which can then be undone or redone through Python or through the Edit > Undo and Redo menu items.
To undo an action, press Ctrl + Z. To redo an undone action, press Ctrl + Y. The Undo and Redo features let you remove or repeat single or multiple typing actions, but all actions must be undone or redone in the order you did or undid them – you can't skip actions.
In the case of textvariable , which is mostly used with Entry and Label widgets, it is a variable that will be displayed as text. When the variable changes, the text of the widget changes as well.
The Tkinter Text widget already supports undo with Control + Z and redo with Shift + Control + Z, but you have to enable them on the widget with undo=True. You might also want to use autoseparators=True and maxundo=-1. See this link https://www.tcl.tk/man/tcl8.5/TkCmd/text.htm#M65.
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The tkinter Text widget supports undo and redo operations using a stack
At the following link you can find more information:
http://www.tkdocs.com/tutorial/text.html#more
Otherwise you could look at the tkinter or Tk docs for the Text widget and how to create a binding to some keys. The tkinter Text widget function you need is edit_undo.
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