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| Arrow keys cause unichar field to be non zero in OSX |
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Audric
Member #907
January 2001
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I wondered about "non-printable", and in the context of text input in an allegro game or utility, I guess the question always resolves to ML's point: One big advantage of this approach is that if you provide a rudimentary font, let's say only part of latin characters, the user can still swap it with a bigger font in order to support more characters or a different set, without recompiling or anything. |
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Elias
Member #358
May 2000
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Peter Wang said: Ctrl-A also produces 1, Ctrl-B produces 2, etc.
Ah, I forgot about those. So in my A5 text box by simply checking for ASCII 8 instead of KEY_BACKSPACE Ctrl-H will work as backspace. I'm sold for option C now The EVENT_KEY_CHAR .unichar documentation should have something like this added: Some special keys will set the .unichar field to their standard ASCII code: Backspace=8, Tab=9, Return=13, Escape=27, Delete=127. In addition if you press the Control key together with A to Z the .unichar field will have the values 1 to 26. For example Ctrl-A will set .unichar to 1 and both the Backspace key and Ctrl-H will set it to 8. -- |
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