[issue31244] IDLE: work around shortcuts bug in Windows' IMEs and tk

[Terry J. Reedy]

Terry J. Reedy <tjreedy at udel.edu> added the comment:

What makes IDLE different from other desktop apps is that is it written in Python, uses the tkinter wrapping of cross-platform tcl/tk, and allows users to customize nearly all hotkey shortcuts.  But tk only allows Ascii chars, with modifiers, for hotkeys.  This issue would be much easier if IDLE had a fixed set of bindings, or even a fixed set for each major platform.

Issue 46052 is a duplicate of this.  In experiments reported there, using the Win10 Russian IME, I determined that the event.char for a Ctrl + letter-key combination is the corresponding Ascii control character, even when switched to Russian.  The difference is that event.keysym is '??' instead of an ascii letter and event.keysym_num is the unicode ordinal of the russian letter instead of the ascii letter.  So ('c', 99) becomes ('??', 1089).  I propose on #46052 to solve these issues by undoing this change and generating the event that would have happened in ENG mode.

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resolution:  -> duplicate
stage: test needed -> resolved
status: open -> closed
superseder:  -> Ctrl+C, C+V in tk.Text on Windows do not work with Cyrillic keys

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31244>
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