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Diffstat (limited to 'src/contrib/SDL-2.30.2/include/SDL_keyboard.h')
| -rw-r--r-- | src/contrib/SDL-2.30.2/include/SDL_keyboard.h | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/src/contrib/SDL-2.30.2/include/SDL_keyboard.h b/src/contrib/SDL-2.30.2/include/SDL_keyboard.h new file mode 100644 index 0000000..03c7b5a --- /dev/null +++ b/src/contrib/SDL-2.30.2/include/SDL_keyboard.h | |||
| @@ -0,0 +1,355 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | |||
| 22 | /** | ||
| 23 | * \file SDL_keyboard.h | ||
| 24 | * | ||
| 25 | * Include file for SDL keyboard event handling | ||
| 26 | */ | ||
| 27 | |||
| 28 | #ifndef SDL_keyboard_h_ | ||
| 29 | #define SDL_keyboard_h_ | ||
| 30 | |||
| 31 | #include "SDL_stdinc.h" | ||
| 32 | #include "SDL_error.h" | ||
| 33 | #include "SDL_keycode.h" | ||
| 34 | #include "SDL_video.h" | ||
| 35 | |||
| 36 | #include "begin_code.h" | ||
| 37 | /* Set up for C function definitions, even when using C++ */ | ||
| 38 | #ifdef __cplusplus | ||
| 39 | extern "C" { | ||
| 40 | #endif | ||
| 41 | |||
| 42 | /** | ||
| 43 | * \brief The SDL keysym structure, used in key events. | ||
| 44 | * | ||
| 45 | * \note If you are looking for translated character input, see the ::SDL_TEXTINPUT event. | ||
| 46 | */ | ||
| 47 | typedef struct SDL_Keysym | ||
| 48 | { | ||
| 49 | SDL_Scancode scancode; /**< SDL physical key code - see ::SDL_Scancode for details */ | ||
| 50 | SDL_Keycode sym; /**< SDL virtual key code - see ::SDL_Keycode for details */ | ||
| 51 | Uint16 mod; /**< current key modifiers */ | ||
| 52 | Uint32 unused; | ||
| 53 | } SDL_Keysym; | ||
| 54 | |||
| 55 | /* Function prototypes */ | ||
| 56 | |||
| 57 | /** | ||
| 58 | * Query the window which currently has keyboard focus. | ||
| 59 | * | ||
| 60 | * \returns the window with keyboard focus. | ||
| 61 | * | ||
| 62 | * \since This function is available since SDL 2.0.0. | ||
| 63 | */ | ||
| 64 | extern DECLSPEC SDL_Window * SDLCALL SDL_GetKeyboardFocus(void); | ||
| 65 | |||
| 66 | /** | ||
| 67 | * Get a snapshot of the current state of the keyboard. | ||
| 68 | * | ||
| 69 | * The pointer returned is a pointer to an internal SDL array. It will be | ||
| 70 | * valid for the whole lifetime of the application and should not be freed by | ||
| 71 | * the caller. | ||
| 72 | * | ||
| 73 | * A array element with a value of 1 means that the key is pressed and a value | ||
| 74 | * of 0 means that it is not. Indexes into this array are obtained by using | ||
| 75 | * SDL_Scancode values. | ||
| 76 | * | ||
| 77 | * Use SDL_PumpEvents() to update the state array. | ||
| 78 | * | ||
| 79 | * This function gives you the current state after all events have been | ||
| 80 | * processed, so if a key or button has been pressed and released before you | ||
| 81 | * process events, then the pressed state will never show up in the | ||
| 82 | * SDL_GetKeyboardState() calls. | ||
| 83 | * | ||
| 84 | * Note: This function doesn't take into account whether shift has been | ||
| 85 | * pressed or not. | ||
| 86 | * | ||
| 87 | * \param numkeys if non-NULL, receives the length of the returned array | ||
| 88 | * \returns a pointer to an array of key states. | ||
| 89 | * | ||
| 90 | * \since This function is available since SDL 2.0.0. | ||
| 91 | * | ||
| 92 | * \sa SDL_PumpEvents | ||
| 93 | * \sa SDL_ResetKeyboard | ||
| 94 | */ | ||
| 95 | extern DECLSPEC const Uint8 *SDLCALL SDL_GetKeyboardState(int *numkeys); | ||
| 96 | |||
| 97 | /** | ||
| 98 | * Clear the state of the keyboard | ||
| 99 | * | ||
| 100 | * This function will generate key up events for all pressed keys. | ||
| 101 | * | ||
| 102 | * \since This function is available since SDL 2.24.0. | ||
| 103 | * | ||
| 104 | * \sa SDL_GetKeyboardState | ||
| 105 | */ | ||
| 106 | extern DECLSPEC void SDLCALL SDL_ResetKeyboard(void); | ||
| 107 | |||
| 108 | /** | ||
| 109 | * Get the current key modifier state for the keyboard. | ||
| 110 | * | ||
| 111 | * \returns an OR'd combination of the modifier keys for the keyboard. See | ||
| 112 | * SDL_Keymod for details. | ||
| 113 | * | ||
| 114 | * \since This function is available since SDL 2.0.0. | ||
| 115 | * | ||
| 116 | * \sa SDL_GetKeyboardState | ||
| 117 | * \sa SDL_SetModState | ||
| 118 | */ | ||
| 119 | extern DECLSPEC SDL_Keymod SDLCALL SDL_GetModState(void); | ||
| 120 | |||
| 121 | /** | ||
| 122 | * Set the current key modifier state for the keyboard. | ||
| 123 | * | ||
| 124 | * The inverse of SDL_GetModState(), SDL_SetModState() allows you to impose | ||
| 125 | * modifier key states on your application. Simply pass your desired modifier | ||
| 126 | * states into `modstate`. This value may be a bitwise, OR'd combination of | ||
| 127 | * SDL_Keymod values. | ||
| 128 | * | ||
| 129 | * This does not change the keyboard state, only the key modifier flags that | ||
| 130 | * SDL reports. | ||
| 131 | * | ||
| 132 | * \param modstate the desired SDL_Keymod for the keyboard | ||
| 133 | * | ||
| 134 | * \since This function is available since SDL 2.0.0. | ||
| 135 | * | ||
| 136 | * \sa SDL_GetModState | ||
| 137 | */ | ||
| 138 | extern DECLSPEC void SDLCALL SDL_SetModState(SDL_Keymod modstate); | ||
| 139 | |||
| 140 | /** | ||
| 141 | * Get the key code corresponding to the given scancode according to the | ||
| 142 | * current keyboard layout. | ||
| 143 | * | ||
| 144 | * See SDL_Keycode for details. | ||
| 145 | * | ||
| 146 | * \param scancode the desired SDL_Scancode to query | ||
| 147 | * \returns the SDL_Keycode that corresponds to the given SDL_Scancode. | ||
| 148 | * | ||
| 149 | * \since This function is available since SDL 2.0.0. | ||
| 150 | * | ||
| 151 | * \sa SDL_GetKeyName | ||
| 152 | * \sa SDL_GetScancodeFromKey | ||
| 153 | */ | ||
| 154 | extern DECLSPEC SDL_Keycode SDLCALL SDL_GetKeyFromScancode(SDL_Scancode scancode); | ||
| 155 | |||
| 156 | /** | ||
| 157 | * Get the scancode corresponding to the given key code according to the | ||
| 158 | * current keyboard layout. | ||
| 159 | * | ||
| 160 | * See SDL_Scancode for details. | ||
| 161 | * | ||
| 162 | * \param key the desired SDL_Keycode to query | ||
| 163 | * \returns the SDL_Scancode that corresponds to the given SDL_Keycode. | ||
| 164 | * | ||
| 165 | * \since This function is available since SDL 2.0.0. | ||
| 166 | * | ||
| 167 | * \sa SDL_GetKeyFromScancode | ||
| 168 | * \sa SDL_GetScancodeName | ||
| 169 | */ | ||
| 170 | extern DECLSPEC SDL_Scancode SDLCALL SDL_GetScancodeFromKey(SDL_Keycode key); | ||
| 171 | |||
| 172 | /** | ||
| 173 | * Get a human-readable name for a scancode. | ||
| 174 | * | ||
| 175 | * See SDL_Scancode for details. | ||
| 176 | * | ||
| 177 | * **Warning**: The returned name is by design not stable across platforms, | ||
| 178 | * e.g. the name for `SDL_SCANCODE_LGUI` is "Left GUI" under Linux but "Left | ||
| 179 | * Windows" under Microsoft Windows, and some scancodes like | ||
| 180 | * `SDL_SCANCODE_NONUSBACKSLASH` don't have any name at all. There are even | ||
| 181 | * scancodes that share names, e.g. `SDL_SCANCODE_RETURN` and | ||
| 182 | * `SDL_SCANCODE_RETURN2` (both called "Return"). This function is therefore | ||
| 183 | * unsuitable for creating a stable cross-platform two-way mapping between | ||
| 184 | * strings and scancodes. | ||
| 185 | * | ||
| 186 | * \param scancode the desired SDL_Scancode to query | ||
| 187 | * \returns a pointer to the name for the scancode. If the scancode doesn't | ||
| 188 | * have a name this function returns an empty string (""). | ||
| 189 | * | ||
| 190 | * \since This function is available since SDL 2.0.0. | ||
| 191 | * | ||
| 192 | * \sa SDL_GetScancodeFromKey | ||
| 193 | * \sa SDL_GetScancodeFromName | ||
| 194 | */ | ||
| 195 | extern DECLSPEC const char *SDLCALL SDL_GetScancodeName(SDL_Scancode scancode); | ||
| 196 | |||
| 197 | /** | ||
| 198 | * Get a scancode from a human-readable name. | ||
| 199 | * | ||
| 200 | * \param name the human-readable scancode name | ||
| 201 | * \returns the SDL_Scancode, or `SDL_SCANCODE_UNKNOWN` if the name wasn't | ||
| 202 | * recognized; call SDL_GetError() for more information. | ||
| 203 | * | ||
| 204 | * \since This function is available since SDL 2.0.0. | ||
| 205 | * | ||
| 206 | * \sa SDL_GetKeyFromName | ||
| 207 | * \sa SDL_GetScancodeFromKey | ||
| 208 | * \sa SDL_GetScancodeName | ||
| 209 | */ | ||
| 210 | extern DECLSPEC SDL_Scancode SDLCALL SDL_GetScancodeFromName(const char *name); | ||
| 211 | |||
| 212 | /** | ||
| 213 | * Get a human-readable name for a key. | ||
| 214 | * | ||
| 215 | * See SDL_Scancode and SDL_Keycode for details. | ||
| 216 | * | ||
| 217 | * \param key the desired SDL_Keycode to query | ||
| 218 | * \returns a pointer to a UTF-8 string that stays valid at least until the | ||
| 219 | * next call to this function. If you need it around any longer, you | ||
| 220 | * must copy it. If the key doesn't have a name, this function | ||
| 221 | * returns an empty string (""). | ||
| 222 | * | ||
| 223 | * \since This function is available since SDL 2.0.0. | ||
| 224 | * | ||
| 225 | * \sa SDL_GetKeyFromName | ||
| 226 | * \sa SDL_GetKeyFromScancode | ||
| 227 | * \sa SDL_GetScancodeFromKey | ||
| 228 | */ | ||
| 229 | extern DECLSPEC const char *SDLCALL SDL_GetKeyName(SDL_Keycode key); | ||
| 230 | |||
| 231 | /** | ||
| 232 | * Get a key code from a human-readable name. | ||
| 233 | * | ||
| 234 | * \param name the human-readable key name | ||
| 235 | * \returns key code, or `SDLK_UNKNOWN` if the name wasn't recognized; call | ||
| 236 | * SDL_GetError() for more information. | ||
| 237 | * | ||
| 238 | * \since This function is available since SDL 2.0.0. | ||
| 239 | * | ||
| 240 | * \sa SDL_GetKeyFromScancode | ||
| 241 | * \sa SDL_GetKeyName | ||
| 242 | * \sa SDL_GetScancodeFromName | ||
| 243 | */ | ||
| 244 | extern DECLSPEC SDL_Keycode SDLCALL SDL_GetKeyFromName(const char *name); | ||
| 245 | |||
| 246 | /** | ||
| 247 | * Start accepting Unicode text input events. | ||
| 248 | * | ||
| 249 | * This function will start accepting Unicode text input events in the focused | ||
| 250 | * SDL window, and start emitting SDL_TextInputEvent (SDL_TEXTINPUT) and | ||
| 251 | * SDL_TextEditingEvent (SDL_TEXTEDITING) events. Please use this function in | ||
| 252 | * pair with SDL_StopTextInput(). | ||
| 253 | * | ||
| 254 | * On some platforms using this function activates the screen keyboard. | ||
| 255 | * | ||
| 256 | * \since This function is available since SDL 2.0.0. | ||
| 257 | * | ||
| 258 | * \sa SDL_SetTextInputRect | ||
| 259 | * \sa SDL_StopTextInput | ||
| 260 | */ | ||
| 261 | extern DECLSPEC void SDLCALL SDL_StartTextInput(void); | ||
| 262 | |||
| 263 | /** | ||
| 264 | * Check whether or not Unicode text input events are enabled. | ||
| 265 | * | ||
| 266 | * \returns SDL_TRUE if text input events are enabled else SDL_FALSE. | ||
| 267 | * | ||
| 268 | * \since This function is available since SDL 2.0.0. | ||
| 269 | * | ||
| 270 | * \sa SDL_StartTextInput | ||
| 271 | */ | ||
| 272 | extern DECLSPEC SDL_bool SDLCALL SDL_IsTextInputActive(void); | ||
| 273 | |||
| 274 | /** | ||
| 275 | * Stop receiving any text input events. | ||
| 276 | * | ||
| 277 | * \since This function is available since SDL 2.0.0. | ||
| 278 | * | ||
| 279 | * \sa SDL_StartTextInput | ||
| 280 | */ | ||
| 281 | extern DECLSPEC void SDLCALL SDL_StopTextInput(void); | ||
| 282 | |||
| 283 | /** | ||
| 284 | * Dismiss the composition window/IME without disabling the subsystem. | ||
| 285 | * | ||
| 286 | * \since This function is available since SDL 2.0.22. | ||
| 287 | * | ||
| 288 | * \sa SDL_StartTextInput | ||
| 289 | * \sa SDL_StopTextInput | ||
| 290 | */ | ||
| 291 | extern DECLSPEC void SDLCALL SDL_ClearComposition(void); | ||
| 292 | |||
| 293 | /** | ||
| 294 | * Returns if an IME Composite or Candidate window is currently shown. | ||
| 295 | * | ||
| 296 | * \since This function is available since SDL 2.0.22. | ||
| 297 | */ | ||
| 298 | extern DECLSPEC SDL_bool SDLCALL SDL_IsTextInputShown(void); | ||
| 299 | |||
| 300 | /** | ||
| 301 | * Set the rectangle used to type Unicode text inputs. Native input methods | ||
| 302 | * will place a window with word suggestions near it, without covering the | ||
| 303 | * text being inputted. | ||
| 304 | * | ||
| 305 | * To start text input in a given location, this function is intended to be | ||
| 306 | * called before SDL_StartTextInput, although some platforms support moving | ||
| 307 | * the rectangle even while text input (and a composition) is active. | ||
| 308 | * | ||
| 309 | * Note: If you want to use the system native IME window, try setting hint | ||
| 310 | * **SDL_HINT_IME_SHOW_UI** to **1**, otherwise this function won't give you | ||
| 311 | * any feedback. | ||
| 312 | * | ||
| 313 | * \param rect the SDL_Rect structure representing the rectangle to receive | ||
| 314 | * text (ignored if NULL) | ||
| 315 | * | ||
| 316 | * \since This function is available since SDL 2.0.0. | ||
| 317 | * | ||
| 318 | * \sa SDL_StartTextInput | ||
| 319 | */ | ||
| 320 | extern DECLSPEC void SDLCALL SDL_SetTextInputRect(const SDL_Rect *rect); | ||
| 321 | |||
| 322 | /** | ||
| 323 | * Check whether the platform has screen keyboard support. | ||
| 324 | * | ||
| 325 | * \returns SDL_TRUE if the platform has some screen keyboard support or | ||
| 326 | * SDL_FALSE if not. | ||
| 327 | * | ||
| 328 | * \since This function is available since SDL 2.0.0. | ||
| 329 | * | ||
| 330 | * \sa SDL_StartTextInput | ||
| 331 | * \sa SDL_IsScreenKeyboardShown | ||
| 332 | */ | ||
| 333 | extern DECLSPEC SDL_bool SDLCALL SDL_HasScreenKeyboardSupport(void); | ||
| 334 | |||
| 335 | /** | ||
| 336 | * Check whether the screen keyboard is shown for given window. | ||
| 337 | * | ||
| 338 | * \param window the window for which screen keyboard should be queried | ||
| 339 | * \returns SDL_TRUE if screen keyboard is shown or SDL_FALSE if not. | ||
| 340 | * | ||
| 341 | * \since This function is available since SDL 2.0.0. | ||
| 342 | * | ||
| 343 | * \sa SDL_HasScreenKeyboardSupport | ||
| 344 | */ | ||
| 345 | extern DECLSPEC SDL_bool SDLCALL SDL_IsScreenKeyboardShown(SDL_Window *window); | ||
| 346 | |||
| 347 | /* Ends C function definitions when using C++ */ | ||
| 348 | #ifdef __cplusplus | ||
| 349 | } | ||
| 350 | #endif | ||
| 351 | #include "close_code.h" | ||
| 352 | |||
| 353 | #endif /* SDL_keyboard_h_ */ | ||
| 354 | |||
| 355 | /* vi: set ts=4 sw=4 expandtab: */ | ||
