Mercurial > sdl-ios-xcode
annotate include/SDL_keyboard.h @ 4331:a24454ed4ac4 SDL-1.2
Fixed debug code to print correct values
Passed a meaningful value to snd_pcm_sw_params_set_start_threshold()
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 13 Oct 2009 09:24:05 +0000 |
| parents | 4c4113c2162c |
| children |
| rev | line source |
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| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 4159 | 3 Copyright (C) 1997-2009 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 | |
| 4217 | 23 /** @file SDL_keyboard.h |
| 24 * Include file for SDL keyboard event handling | |
| 25 */ | |
| 0 | 26 |
| 27 #ifndef _SDL_keyboard_h | |
| 28 #define _SDL_keyboard_h | |
| 29 | |
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30 #include "SDL_stdinc.h" |
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31 #include "SDL_error.h" |
| 0 | 32 #include "SDL_keysym.h" |
| 33 | |
| 34 #include "begin_code.h" | |
| 35 /* Set up for C function definitions, even when using C++ */ | |
| 36 #ifdef __cplusplus | |
| 37 extern "C" { | |
| 38 #endif | |
| 39 | |
| 4217 | 40 /** Keysym structure |
| 41 * | |
| 42 * - The scancode is hardware dependent, and should not be used by general | |
| 43 * applications. If no hardware scancode is available, it will be 0. | |
| 44 * | |
| 45 * - The 'unicode' translated character is only available when character | |
| 46 * translation is enabled by the SDL_EnableUNICODE() API. If non-zero, | |
| 47 * this is a UNICODE character corresponding to the keypress. If the | |
| 48 * high 9 bits of the character are 0, then this maps to the equivalent | |
| 49 * ASCII character: | |
| 50 * @code | |
| 51 * char ch; | |
| 52 * if ( (keysym.unicode & 0xFF80) == 0 ) { | |
| 53 * ch = keysym.unicode & 0x7F; | |
| 54 * } else { | |
| 55 * An international character.. | |
| 56 * } | |
| 57 * @endcode | |
| 0 | 58 */ |
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Date: Mon, 3 May 2004 03:15:01 +0100
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59 typedef struct SDL_keysym { |
| 4217 | 60 Uint8 scancode; /**< hardware specific scancode */ |
| 61 SDLKey sym; /**< SDL virtual keysym */ | |
| 62 SDLMod mod; /**< current key modifiers */ | |
| 63 Uint16 unicode; /**< translated character */ | |
| 0 | 64 } SDL_keysym; |
| 65 | |
| 4217 | 66 /** This is the mask which refers to all hotkey bindings */ |
| 0 | 67 #define SDL_ALL_HOTKEYS 0xFFFFFFFF |
| 68 | |
| 69 /* Function prototypes */ | |
| 4217 | 70 /** |
| 0 | 71 * Enable/Disable UNICODE translation of keyboard input. |
| 4217 | 72 * |
| 0 | 73 * This translation has some overhead, so translation defaults off. |
| 4217 | 74 * |
| 75 * @param[in] enable | |
| 0 | 76 * If 'enable' is 1, translation is enabled. |
| 77 * If 'enable' is 0, translation is disabled. | |
| 78 * If 'enable' is -1, the translation state is not changed. | |
| 4217 | 79 * |
| 80 * @return It returns the previous state of keyboard translation. | |
| 0 | 81 */ |
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82 extern DECLSPEC int SDLCALL SDL_EnableUNICODE(int enable); |
| 0 | 83 |
| 84 #define SDL_DEFAULT_REPEAT_DELAY 500 | |
| 85 #define SDL_DEFAULT_REPEAT_INTERVAL 30 | |
| 4217 | 86 /** |
| 87 * Enable/Disable keyboard repeat. Keyboard repeat defaults to off. | |
| 88 * | |
| 89 * @param[in] delay | |
| 90 * 'delay' is the initial delay in ms between the time when a key is | |
| 91 * pressed, and keyboard repeat begins. | |
| 92 * | |
| 93 * @param[in] interval | |
| 94 * 'interval' is the time in ms between keyboard repeat events. | |
| 95 * | |
| 96 * If 'delay' is set to 0, keyboard repeat is disabled. | |
| 0 | 97 */ |
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98 extern DECLSPEC int SDLCALL SDL_EnableKeyRepeat(int delay, int interval); |
| 1507 | 99 extern DECLSPEC void SDLCALL SDL_GetKeyRepeat(int *delay, int *interval); |
| 0 | 100 |
| 4217 | 101 /** |
| 0 | 102 * Get a snapshot of the current state of the keyboard. |
| 103 * Returns an array of keystates, indexed by the SDLK_* syms. | |
| 4217 | 104 * Usage: |
| 105 * @code | |
| 0 | 106 * Uint8 *keystate = SDL_GetKeyState(NULL); |
| 4217 | 107 * if ( keystate[SDLK_RETURN] ) //... \<RETURN> is pressed. |
| 108 * @endcode | |
| 0 | 109 */ |
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110 extern DECLSPEC Uint8 * SDLCALL SDL_GetKeyState(int *numkeys); |
| 0 | 111 |
| 4217 | 112 /** |
| 0 | 113 * Get the current key modifier state |
| 114 */ | |
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115 extern DECLSPEC SDLMod SDLCALL SDL_GetModState(void); |
| 0 | 116 |
| 4217 | 117 /** |
| 118 * Set the current key modifier state. | |
| 0 | 119 * This does not change the keyboard state, only the key modifier flags. |
| 120 */ | |
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121 extern DECLSPEC void SDLCALL SDL_SetModState(SDLMod modstate); |
| 0 | 122 |
| 4217 | 123 /** |
| 0 | 124 * Get the name of an SDL virtual keysym |
| 125 */ | |
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126 extern DECLSPEC char * SDLCALL SDL_GetKeyName(SDLKey key); |
| 0 | 127 |
| 128 | |
| 129 /* Ends C function definitions when using C++ */ | |
| 130 #ifdef __cplusplus | |
| 131 } | |
| 132 #endif | |
| 133 #include "close_code.h" | |
| 134 | |
| 135 #endif /* _SDL_keyboard_h */ |