Mercurial > sdl-ios-xcode
annotate include/SDL_keyboard.h @ 3215:b425c3e2b796
Documentation fix fix
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 07 Jul 2009 14:02:57 +0000 |
parents | 99210400e8b9 |
children | 00cace2d9080 |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
2859 | 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 | |
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23 /** |
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24 * \file SDL_keyboard.h |
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25 * |
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26 * Include file for SDL keyboard event handling |
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27 */ |
0 | 28 |
29 #ifndef _SDL_keyboard_h | |
30 #define _SDL_keyboard_h | |
31 | |
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32 #include "SDL_stdinc.h" |
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33 #include "SDL_error.h" |
0 | 34 #include "SDL_keysym.h" |
35 | |
36 #include "begin_code.h" | |
37 /* Set up for C function definitions, even when using C++ */ | |
38 #ifdef __cplusplus | |
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39 /* *INDENT-OFF* */ |
0 | 40 extern "C" { |
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41 /* *INDENT-ON* */ |
0 | 42 #endif |
43 | |
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44 /** |
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45 * \struct SDL_keysym |
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46 * |
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47 * \brief The SDL keysym structure, used in key events. |
0 | 48 */ |
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49 typedef struct SDL_keysym |
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50 { |
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51 SDL_scancode scancode; /**< SDL physical key code - see ::SDL_scancode for details */ |
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52 SDLKey sym; /**< SDL virtual key code - see ::SDLKey for details */ |
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53 Uint16 mod; /**< current key modifiers */ |
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54 Uint32 unicode; /**< OBSOLETE, use SDL_TextInputEvent instead */ |
0 | 55 } SDL_keysym; |
56 | |
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57 /* Function prototypes */ |
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58 |
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59 /** |
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60 * \fn int SDL_GetNumKeyboards(void) |
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61 * |
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62 * \brief Get the number of keyboard input devices available. |
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63 * |
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64 * \sa SDL_SelectKeyboard() |
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65 */ |
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66 extern DECLSPEC int SDLCALL SDL_GetNumKeyboards(void); |
0 | 67 |
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68 /** |
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69 * \fn int SDL_SelectKeyboard(int index) |
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70 * |
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71 * \brief Set the index of the currently selected keyboard. |
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72 * |
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73 * \return The index of the previously selected keyboard. |
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74 * |
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75 * \note You can query the currently selected keyboard by passing an index of -1. |
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76 * |
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77 * \sa SDL_GetNumKeyboards() |
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78 */ |
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79 extern DECLSPEC int SDLCALL SDL_SelectKeyboard(int index); |
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80 |
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81 /** |
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82 * \fn Uint8 *SDL_GetKeyboardState(int *numkeys) |
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83 * |
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84 * \brief Get a snapshot of the current state of the selected keyboard. |
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85 * |
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86 * \param numkeys if non-NULL, receives the length of the returned array. |
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87 * |
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88 * \return An array of key states. Indexes into this array are obtained by using ::SDL_scancode values. |
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89 * |
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90 * Example: |
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91 * Uint8 *state = SDL_GetKeyboardState(NULL); |
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92 * if ( state[SDL_SCANCODE_RETURN)] ) ... <RETURN> is pressed. |
0 | 93 */ |
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94 extern DECLSPEC Uint8 *SDLCALL SDL_GetKeyboardState(int *numkeys); |
0 | 95 |
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96 /** |
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97 * \fn SDLMod SDL_GetModState(void) |
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98 * |
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99 * \brief Get the current key modifier state for the selected keyboard. |
0 | 100 */ |
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101 extern DECLSPEC SDLMod SDLCALL SDL_GetModState(void); |
0 | 102 |
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103 /** |
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104 * \fn void SDL_SetModState(SDLMod modstate) |
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105 * |
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106 * \brief Set the current key modifier state for the selected keyboard. |
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107 * |
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108 * \note This does not change the keyboard state, only the key modifier flags. |
0 | 109 */ |
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110 extern DECLSPEC void SDLCALL SDL_SetModState(SDLMod modstate); |
0 | 111 |
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112 /** |
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113 * \fn SDLKey SDL_GetKeyFromScancode(SDL_scancode scancode) |
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114 * |
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115 * \brief Get the key code corresponding to the given scancode according to the current keyboard layout. |
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116 * |
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117 * See ::SDLKey for details. |
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118 * |
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119 * \sa SDL_GetKeyName() |
0 | 120 */ |
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121 extern DECLSPEC SDLKey SDLCALL SDL_GetKeyFromScancode(SDL_scancode scancode); |
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122 |
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123 /** |
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124 * \fn SDL_scancode SDL_GetScancodeFromKey(SDLKey key) |
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125 * |
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126 * \brief Get the scancode corresponding to the given key code according to the current keyboard layout. |
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127 * |
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128 * See ::SDL_scancode for details. |
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129 * |
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130 * \sa SDL_GetScancodeName() |
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131 */ |
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132 extern DECLSPEC SDL_scancode SDLCALL SDL_GetScancodeFromKey(SDLKey key); |
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133 |
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134 /** |
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135 * \fn const char *SDL_GetScancodeName(SDL_scancode scancode) |
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136 * |
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137 * \brief Get a human-readable name for a scancode. |
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138 * |
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139 * \return A pointer to a UTF-8 string that stays valid at least until the next call to this function. If you need it around any longer, you must copy it. If the scancode doesn't have a name, this function returns "". |
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140 * |
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141 * \sa SDL_scancode |
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142 */ |
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143 extern DECLSPEC const char *SDLCALL SDL_GetScancodeName(SDL_scancode |
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144 scancode); |
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145 |
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146 /** |
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147 * \fn const char *SDL_GetKeyName(SDLKey key) |
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148 * |
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149 * \brief Get a human-readable name for a key. |
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150 * |
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151 * \return A pointer to a UTF-8 string that stays valid at least until the next call to this function. If you need it around any longer, you must copy it. If the key doesn't have a name, this function returns "". |
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152 * |
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153 * \sa SDLKey |
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154 */ |
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155 extern DECLSPEC const char *SDLCALL SDL_GetKeyName(SDLKey key); |
0 | 156 |
157 | |
158 /* Ends C function definitions when using C++ */ | |
159 #ifdef __cplusplus | |
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160 /* *INDENT-OFF* */ |
0 | 161 } |
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162 /* *INDENT-ON* */ |
0 | 163 #endif |
164 #include "close_code.h" | |
165 | |
166 #endif /* _SDL_keyboard_h */ | |
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167 |
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168 /* vi: set ts=4 sw=4 expandtab: */ |