Unify Windows message handling APIs in `messageloop.py`.#932

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junkmd merged 7 commits into

enthought:mainfrom

junkmd:unify_messageloop

Mar 7, 2026

Commits on Mar 7, 2026

refactor: Eliminates the alias `LRESULT = LPLONG` by directly importing `LPLONG` as `LRESULT` from `ctypes.wintypes`.
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refactor: Streamline `test_eventinterface.py` imports by using `ctypes.wintypes.MSG`
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refactor: Explicitly define WinAPI function signatures in `messageloop.py`.
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refactor: Use `POINTER(MSG)` for message function `argtypes` in `messageloop.py`
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refactor: Use `HWND` for window handle in `GetMessage` argtypes in `messageloop.py`
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refactor: Centralize `PeekMessage` in `messageloop.py` and reuse in tests.
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refactor: Centralize `PeekMessage` constants in `messageloop.py`.
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