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c855184765
SDL is built around the concept of keyboards having a fixed layout with scancodes that correspond to physical keys no matter what linguistic layout is used. Virtual keyboards don't have this concept and can present an arbitrary layout of keys with arbitrary scancodes and names, which don't fit the SDL model. When one of these keyboards is encountered, it requires special handling: use the keysym of the pressed keys to derive their ANSI keyboard scancode equivalents for control keys and ASCII characters. All other characters are passed through as text events only.
33 lines
1.3 KiB
C
33 lines
1.3 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef SDL_keysym_to_scancode_c_h_
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#define SDL_keysym_to_scancode_c_h_
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#include "SDL_scancode.h"
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/* This function only correctly maps letters and numbers for keyboards in US QWERTY layout */
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extern SDL_Scancode SDL_GetScancodeFromKeySym(Uint32 keysym, Uint32 keycode);
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#endif /* SDL_keysym_to_scancode_c_h_ */
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/* vi: set ts=4 sw=4 expandtab: */
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