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annotate include/SDL_keyboard.h @ 1564:4950a25bd91e
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 21 Mar 2006 07:02:34 +0000 |
| parents | 1ff64ad478b2 |
| children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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13 Lesser General Public License for more details. |
| 0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 /* Include file for SDL keyboard event handling */ | |
| 24 | |
| 25 #ifndef _SDL_keyboard_h | |
| 26 #define _SDL_keyboard_h | |
| 27 | |
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28 #include "SDL_stdinc.h" |
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29 #include "SDL_error.h" |
| 0 | 30 #include "SDL_keysym.h" |
| 31 | |
| 32 #include "begin_code.h" | |
| 33 /* Set up for C function definitions, even when using C++ */ | |
| 34 #ifdef __cplusplus | |
| 35 extern "C" { | |
| 36 #endif | |
| 37 | |
| 38 /* Keysym structure | |
| 39 - The scancode is hardware dependent, and should not be used by general | |
| 40 applications. If no hardware scancode is available, it will be 0. | |
| 41 | |
| 42 - The 'unicode' translated character is only available when character | |
| 43 translation is enabled by the SDL_EnableUNICODE() API. If non-zero, | |
| 44 this is a UNICODE character corresponding to the keypress. If the | |
| 45 high 9 bits of the character are 0, then this maps to the equivalent | |
| 46 ASCII character: | |
| 47 char ch; | |
| 48 if ( (keysym.unicode & 0xFF80) == 0 ) { | |
| 49 ch = keysym.unicode & 0x7F; | |
| 50 } else { | |
| 51 An international character.. | |
| 52 } | |
| 53 */ | |
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54 typedef struct SDL_keysym { |
| 0 | 55 Uint8 scancode; /* hardware specific scancode */ |
| 56 SDLKey sym; /* SDL virtual keysym */ | |
| 57 SDLMod mod; /* current key modifiers */ | |
| 58 Uint16 unicode; /* translated character */ | |
| 59 } SDL_keysym; | |
| 60 | |
| 61 /* This is the mask which refers to all hotkey bindings */ | |
| 62 #define SDL_ALL_HOTKEYS 0xFFFFFFFF | |
| 63 | |
| 64 /* Function prototypes */ | |
| 65 /* | |
| 66 * Enable/Disable UNICODE translation of keyboard input. | |
| 67 * This translation has some overhead, so translation defaults off. | |
| 68 * If 'enable' is 1, translation is enabled. | |
| 69 * If 'enable' is 0, translation is disabled. | |
| 70 * If 'enable' is -1, the translation state is not changed. | |
| 71 * It returns the previous state of keyboard translation. | |
| 72 */ | |
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73 extern DECLSPEC int SDLCALL SDL_EnableUNICODE(int enable); |
| 0 | 74 |
| 75 /* | |
| 76 * Enable/Disable keyboard repeat. Keyboard repeat defaults to off. | |
| 77 * 'delay' is the initial delay in ms between the time when a key is | |
| 78 * pressed, and keyboard repeat begins. | |
| 79 * 'interval' is the time in ms between keyboard repeat events. | |
| 80 */ | |
| 81 #define SDL_DEFAULT_REPEAT_DELAY 500 | |
| 82 #define SDL_DEFAULT_REPEAT_INTERVAL 30 | |
| 83 /* | |
| 84 * If 'delay' is set to 0, keyboard repeat is disabled. | |
| 85 */ | |
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86 extern DECLSPEC int SDLCALL SDL_EnableKeyRepeat(int delay, int interval); |
| 1507 | 87 extern DECLSPEC void SDLCALL SDL_GetKeyRepeat(int *delay, int *interval); |
| 0 | 88 |
| 89 /* | |
| 90 * Get a snapshot of the current state of the keyboard. | |
| 91 * Returns an array of keystates, indexed by the SDLK_* syms. | |
| 92 * Used: | |
| 93 * Uint8 *keystate = SDL_GetKeyState(NULL); | |
| 94 * if ( keystate[SDLK_RETURN] ) ... <RETURN> is pressed. | |
| 95 */ | |
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96 extern DECLSPEC Uint8 * SDLCALL SDL_GetKeyState(int *numkeys); |
| 0 | 97 |
| 98 /* | |
| 99 * Get the current key modifier state | |
| 100 */ | |
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101 extern DECLSPEC SDLMod SDLCALL SDL_GetModState(void); |
| 0 | 102 |
| 103 /* | |
| 104 * Set the current key modifier state | |
| 105 * This does not change the keyboard state, only the key modifier flags. | |
| 106 */ | |
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107 extern DECLSPEC void SDLCALL SDL_SetModState(SDLMod modstate); |
| 0 | 108 |
| 109 /* | |
| 110 * Get the name of an SDL virtual keysym | |
| 111 */ | |
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112 extern DECLSPEC char * SDLCALL SDL_GetKeyName(SDLKey key); |
| 0 | 113 |
| 114 | |
| 115 /* Ends C function definitions when using C++ */ | |
| 116 #ifdef __cplusplus | |
| 117 } | |
| 118 #endif | |
| 119 #include "close_code.h" | |
| 120 | |
| 121 #endif /* _SDL_keyboard_h */ |