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69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2026 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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#include "SDL_internal.h"
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#if defined(SDL_VIDEO_DRIVER_WAYLAND) || defined(SDL_VIDEO_DRIVER_X11)
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#include "SDL_keyboard_c.h"
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#include "SDL_keysym_to_scancode_c.h"
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#include "imKStoUCS.h"
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// Extended key code mappings
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static const struct
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{
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Uint32 keysym;
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SDL_Keycode keycode;
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} keysym_to_keycode_table[] = {
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{ 0xfe03, SDLK_MODE }, // XK_ISO_Level3_Shift
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{ 0xfe11, SDLK_LEVEL5_SHIFT }, // XK_ISO_Level5_Shift
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{ 0xfe20, SDLK_LEFT_TAB }, // XK_ISO_Left_Tab
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{ 0xff20, SDLK_MULTI_KEY_COMPOSE }, // XK_Multi_key
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{ 0xffe7, SDLK_LMETA }, // XK_Meta_L
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{ 0xffe8, SDLK_RMETA }, // XK_Meta_R
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{ 0xffed, SDLK_LHYPER }, // XK_Hyper_L
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{ 0xffee, SDLK_RHYPER }, // XK_Hyper_R
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};
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SDL_Keycode SDL_GetKeyCodeFromKeySym(Uint32 keysym, Uint32 keycode, SDL_Keymod modifiers)
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{
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SDL_Keycode sdl_keycode = SDL_KeySymToUcs4(keysym);
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if (!sdl_keycode) {
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for (int i = 0; i < SDL_arraysize(keysym_to_keycode_table); ++i) {
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if (keysym == keysym_to_keycode_table[i].keysym) {
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return keysym_to_keycode_table[i].keycode;
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}
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}
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}
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if (!sdl_keycode) {
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const SDL_Scancode scancode = SDL_GetScancodeFromKeySym(keysym, keycode);
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if (scancode != SDL_SCANCODE_UNKNOWN) {
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sdl_keycode = SDL_GetKeymapKeycode(NULL, scancode, modifiers);
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}
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}
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return sdl_keycode;
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}
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#endif // SDL_VIDEO_DRIVER_WAYLAND || SDL_VIDEO_DRIVER_X11
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