diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/events/SDL_keyboard.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/events/SDL_keyboard.c | 578 |
1 files changed, 578 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.12/src/events/SDL_keyboard.c b/distrib/sdl-1.2.12/src/events/SDL_keyboard.c new file mode 100644 index 0000000..5f7af42 --- /dev/null +++ b/distrib/sdl-1.2.12/src/events/SDL_keyboard.c @@ -0,0 +1,578 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2006 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +/* General keyboard handling code for SDL */ + +#include "SDL_timer.h" +#include "SDL_events.h" +#include "SDL_events_c.h" +#include "SDL_sysevents.h" + + +/* Global keystate information */ +static Uint8 SDL_KeyState[SDLK_LAST]; +static SDLMod SDL_ModState; +int SDL_TranslateUNICODE = 0; + +static const char *keynames[SDLK_LAST]; /* Array of keycode names */ + +/* + * jk 991215 - added + */ +struct { + int firsttime; /* if we check against the delay or repeat value */ + int delay; /* the delay before we start repeating */ + int interval; /* the delay between key repeat events */ + Uint32 timestamp; /* the time the first keydown event occurred */ + + SDL_Event evt; /* the event we are supposed to repeat */ +} SDL_KeyRepeat; + +/* Public functions */ +int SDL_KeyboardInit(void) +{ + SDL_VideoDevice *video = current_video; + SDL_VideoDevice *this = current_video; + + /* Set default mode of UNICODE translation */ + SDL_EnableUNICODE(DEFAULT_UNICODE_TRANSLATION); + + /* Initialize the tables */ + SDL_ModState = KMOD_NONE; + SDL_memset((void*)keynames, 0, sizeof(keynames)); + SDL_memset(SDL_KeyState, 0, sizeof(SDL_KeyState)); + video->InitOSKeymap(this); + + SDL_EnableKeyRepeat(0, 0); + + /* Fill in the blanks in keynames */ + keynames[SDLK_BACKSPACE] = "backspace"; + keynames[SDLK_TAB] = "tab"; + keynames[SDLK_CLEAR] = "clear"; + keynames[SDLK_RETURN] = "return"; + keynames[SDLK_PAUSE] = "pause"; + keynames[SDLK_ESCAPE] = "escape"; + keynames[SDLK_SPACE] = "space"; + keynames[SDLK_EXCLAIM] = "!"; + keynames[SDLK_QUOTEDBL] = "\""; + keynames[SDLK_HASH] = "#"; + keynames[SDLK_DOLLAR] = "$"; + keynames[SDLK_AMPERSAND] = "&"; + keynames[SDLK_QUOTE] = "'"; + keynames[SDLK_LEFTPAREN] = "("; + keynames[SDLK_RIGHTPAREN] = ")"; + keynames[SDLK_ASTERISK] = "*"; + keynames[SDLK_PLUS] = "+"; + keynames[SDLK_COMMA] = ","; + keynames[SDLK_MINUS] = "-"; + keynames[SDLK_PERIOD] = "."; + keynames[SDLK_SLASH] = "/"; + keynames[SDLK_0] = "0"; + keynames[SDLK_1] = "1"; + keynames[SDLK_2] = "2"; + keynames[SDLK_3] = "3"; + keynames[SDLK_4] = "4"; + keynames[SDLK_5] = "5"; + keynames[SDLK_6] = "6"; + keynames[SDLK_7] = "7"; + keynames[SDLK_8] = "8"; + keynames[SDLK_9] = "9"; + keynames[SDLK_COLON] = ":"; + keynames[SDLK_SEMICOLON] = ";"; + keynames[SDLK_LESS] = "<"; + keynames[SDLK_EQUALS] = "="; + keynames[SDLK_GREATER] = ">"; + keynames[SDLK_QUESTION] = "?"; + keynames[SDLK_AT] = "@"; + keynames[SDLK_LEFTBRACKET] = "["; + keynames[SDLK_BACKSLASH] = "\\"; + keynames[SDLK_RIGHTBRACKET] = "]"; + keynames[SDLK_CARET] = "^"; + keynames[SDLK_UNDERSCORE] = "_"; + keynames[SDLK_BACKQUOTE] = "`"; + keynames[SDLK_a] = "a"; + keynames[SDLK_b] = "b"; + keynames[SDLK_c] = "c"; + keynames[SDLK_d] = "d"; + keynames[SDLK_e] = "e"; + keynames[SDLK_f] = "f"; + keynames[SDLK_g] = "g"; + keynames[SDLK_h] = "h"; + keynames[SDLK_i] = "i"; + keynames[SDLK_j] = "j"; + keynames[SDLK_k] = "k"; + keynames[SDLK_l] = "l"; + keynames[SDLK_m] = "m"; + keynames[SDLK_n] = "n"; + keynames[SDLK_o] = "o"; + keynames[SDLK_p] = "p"; + keynames[SDLK_q] = "q"; + keynames[SDLK_r] = "r"; + keynames[SDLK_s] = "s"; + keynames[SDLK_t] = "t"; + keynames[SDLK_u] = "u"; + keynames[SDLK_v] = "v"; + keynames[SDLK_w] = "w"; + keynames[SDLK_x] = "x"; + keynames[SDLK_y] = "y"; + keynames[SDLK_z] = "z"; + keynames[SDLK_DELETE] = "delete"; + + keynames[SDLK_WORLD_0] = "world 0"; + keynames[SDLK_WORLD_1] = "world 1"; + keynames[SDLK_WORLD_2] = "world 2"; + keynames[SDLK_WORLD_3] = "world 3"; + keynames[SDLK_WORLD_4] = "world 4"; + keynames[SDLK_WORLD_5] = "world 5"; + keynames[SDLK_WORLD_6] = "world 6"; + keynames[SDLK_WORLD_7] = "world 7"; + keynames[SDLK_WORLD_8] = "world 8"; + keynames[SDLK_WORLD_9] = "world 9"; + keynames[SDLK_WORLD_10] = "world 10"; + keynames[SDLK_WORLD_11] = "world 11"; + keynames[SDLK_WORLD_12] = "world 12"; + keynames[SDLK_WORLD_13] = "world 13"; + keynames[SDLK_WORLD_14] = "world 14"; + keynames[SDLK_WORLD_15] = "world 15"; + keynames[SDLK_WORLD_16] = "world 16"; + keynames[SDLK_WORLD_17] = "world 17"; + keynames[SDLK_WORLD_18] = "world 18"; + keynames[SDLK_WORLD_19] = "world 19"; + keynames[SDLK_WORLD_20] = "world 20"; + keynames[SDLK_WORLD_21] = "world 21"; + keynames[SDLK_WORLD_22] = "world 22"; + keynames[SDLK_WORLD_23] = "world 23"; + keynames[SDLK_WORLD_24] = "world 24"; + keynames[SDLK_WORLD_25] = "world 25"; + keynames[SDLK_WORLD_26] = "world 26"; + keynames[SDLK_WORLD_27] = "world 27"; + keynames[SDLK_WORLD_28] = "world 28"; + keynames[SDLK_WORLD_29] = "world 29"; + keynames[SDLK_WORLD_30] = "world 30"; + keynames[SDLK_WORLD_31] = "world 31"; + keynames[SDLK_WORLD_32] = "world 32"; + keynames[SDLK_WORLD_33] = "world 33"; + keynames[SDLK_WORLD_34] = "world 34"; + keynames[SDLK_WORLD_35] = "world 35"; + keynames[SDLK_WORLD_36] = "world 36"; + keynames[SDLK_WORLD_37] = "world 37"; + keynames[SDLK_WORLD_38] = "world 38"; + keynames[SDLK_WORLD_39] = "world 39"; + keynames[SDLK_WORLD_40] = "world 40"; + keynames[SDLK_WORLD_41] = "world 41"; + keynames[SDLK_WORLD_42] = "world 42"; + keynames[SDLK_WORLD_43] = "world 43"; + keynames[SDLK_WORLD_44] = "world 44"; + keynames[SDLK_WORLD_45] = "world 45"; + keynames[SDLK_WORLD_46] = "world 46"; + keynames[SDLK_WORLD_47] = "world 47"; + keynames[SDLK_WORLD_48] = "world 48"; + keynames[SDLK_WORLD_49] = "world 49"; + keynames[SDLK_WORLD_50] = "world 50"; + keynames[SDLK_WORLD_51] = "world 51"; + keynames[SDLK_WORLD_52] = "world 52"; + keynames[SDLK_WORLD_53] = "world 53"; + keynames[SDLK_WORLD_54] = "world 54"; + keynames[SDLK_WORLD_55] = "world 55"; + keynames[SDLK_WORLD_56] = "world 56"; + keynames[SDLK_WORLD_57] = "world 57"; + keynames[SDLK_WORLD_58] = "world 58"; + keynames[SDLK_WORLD_59] = "world 59"; + keynames[SDLK_WORLD_60] = "world 60"; + keynames[SDLK_WORLD_61] = "world 61"; + keynames[SDLK_WORLD_62] = "world 62"; + keynames[SDLK_WORLD_63] = "world 63"; + keynames[SDLK_WORLD_64] = "world 64"; + keynames[SDLK_WORLD_65] = "world 65"; + keynames[SDLK_WORLD_66] = "world 66"; + keynames[SDLK_WORLD_67] = "world 67"; + keynames[SDLK_WORLD_68] = "world 68"; + keynames[SDLK_WORLD_69] = "world 69"; + keynames[SDLK_WORLD_70] = "world 70"; + keynames[SDLK_WORLD_71] = "world 71"; + keynames[SDLK_WORLD_72] = "world 72"; + keynames[SDLK_WORLD_73] = "world 73"; + keynames[SDLK_WORLD_74] = "world 74"; + keynames[SDLK_WORLD_75] = "world 75"; + keynames[SDLK_WORLD_76] = "world 76"; + keynames[SDLK_WORLD_77] = "world 77"; + keynames[SDLK_WORLD_78] = "world 78"; + keynames[SDLK_WORLD_79] = "world 79"; + keynames[SDLK_WORLD_80] = "world 80"; + keynames[SDLK_WORLD_81] = "world 81"; + keynames[SDLK_WORLD_82] = "world 82"; + keynames[SDLK_WORLD_83] = "world 83"; + keynames[SDLK_WORLD_84] = "world 84"; + keynames[SDLK_WORLD_85] = "world 85"; + keynames[SDLK_WORLD_86] = "world 86"; + keynames[SDLK_WORLD_87] = "world 87"; + keynames[SDLK_WORLD_88] = "world 88"; + keynames[SDLK_WORLD_89] = "world 89"; + keynames[SDLK_WORLD_90] = "world 90"; + keynames[SDLK_WORLD_91] = "world 91"; + keynames[SDLK_WORLD_92] = "world 92"; + keynames[SDLK_WORLD_93] = "world 93"; + keynames[SDLK_WORLD_94] = "world 94"; + keynames[SDLK_WORLD_95] = "world 95"; + + keynames[SDLK_KP0] = "[0]"; + keynames[SDLK_KP1] = "[1]"; + keynames[SDLK_KP2] = "[2]"; + keynames[SDLK_KP3] = "[3]"; + keynames[SDLK_KP4] = "[4]"; + keynames[SDLK_KP5] = "[5]"; + keynames[SDLK_KP6] = "[6]"; + keynames[SDLK_KP7] = "[7]"; + keynames[SDLK_KP8] = "[8]"; + keynames[SDLK_KP9] = "[9]"; + keynames[SDLK_KP_PERIOD] = "[.]"; + keynames[SDLK_KP_DIVIDE] = "[/]"; + keynames[SDLK_KP_MULTIPLY] = "[*]"; + keynames[SDLK_KP_MINUS] = "[-]"; + keynames[SDLK_KP_PLUS] = "[+]"; + keynames[SDLK_KP_ENTER] = "enter"; + keynames[SDLK_KP_EQUALS] = "equals"; + + keynames[SDLK_UP] = "up"; + keynames[SDLK_DOWN] = "down"; + keynames[SDLK_RIGHT] = "right"; + keynames[SDLK_LEFT] = "left"; + keynames[SDLK_DOWN] = "down"; + keynames[SDLK_INSERT] = "insert"; + keynames[SDLK_HOME] = "home"; + keynames[SDLK_END] = "end"; + keynames[SDLK_PAGEUP] = "page up"; + keynames[SDLK_PAGEDOWN] = "page down"; + + keynames[SDLK_F1] = "f1"; + keynames[SDLK_F2] = "f2"; + keynames[SDLK_F3] = "f3"; + keynames[SDLK_F4] = "f4"; + keynames[SDLK_F5] = "f5"; + keynames[SDLK_F6] = "f6"; + keynames[SDLK_F7] = "f7"; + keynames[SDLK_F8] = "f8"; + keynames[SDLK_F9] = "f9"; + keynames[SDLK_F10] = "f10"; + keynames[SDLK_F11] = "f11"; + keynames[SDLK_F12] = "f12"; + keynames[SDLK_F13] = "f13"; + keynames[SDLK_F14] = "f14"; + keynames[SDLK_F15] = "f15"; + + keynames[SDLK_NUMLOCK] = "numlock"; + keynames[SDLK_CAPSLOCK] = "caps lock"; + keynames[SDLK_SCROLLOCK] = "scroll lock"; + keynames[SDLK_RSHIFT] = "right shift"; + keynames[SDLK_LSHIFT] = "left shift"; + keynames[SDLK_RCTRL] = "right ctrl"; + keynames[SDLK_LCTRL] = "left ctrl"; + keynames[SDLK_RALT] = "right alt"; + keynames[SDLK_LALT] = "left alt"; + keynames[SDLK_RMETA] = "right meta"; + keynames[SDLK_LMETA] = "left meta"; + keynames[SDLK_LSUPER] = "left super"; /* "Windows" keys */ + keynames[SDLK_RSUPER] = "right super"; + keynames[SDLK_MODE] = "alt gr"; + keynames[SDLK_COMPOSE] = "compose"; + + keynames[SDLK_HELP] = "help"; + keynames[SDLK_PRINT] = "print screen"; + keynames[SDLK_SYSREQ] = "sys req"; + keynames[SDLK_BREAK] = "break"; + keynames[SDLK_MENU] = "menu"; + keynames[SDLK_POWER] = "power"; + keynames[SDLK_EURO] = "euro"; + keynames[SDLK_UNDO] = "undo"; + + /* Done. Whew. */ + return(0); +} +void SDL_KeyboardQuit(void) +{ +} + +/* We lost the keyboard, so post key up messages for all pressed keys */ +void SDL_ResetKeyboard(void) +{ + SDL_keysym keysym; + SDLKey key; + + SDL_memset(&keysym, 0, (sizeof keysym)); + for ( key=SDLK_FIRST; key<SDLK_LAST; ++key ) { + if ( SDL_KeyState[key] == SDL_PRESSED ) { + keysym.sym = key; + SDL_PrivateKeyboard(SDL_RELEASED, &keysym); + } + } + SDL_KeyRepeat.timestamp = 0; +} + +int SDL_EnableUNICODE(int enable) +{ + int old_mode; + + old_mode = SDL_TranslateUNICODE; + if ( enable >= 0 ) { + SDL_TranslateUNICODE = enable; + } + return(old_mode); +} + +Uint8 * SDL_GetKeyState (int *numkeys) +{ + if ( numkeys != (int *)0 ) + *numkeys = SDLK_LAST; + return(SDL_KeyState); +} +SDLMod SDL_GetModState (void) +{ + return(SDL_ModState); +} +void SDL_SetModState (SDLMod modstate) +{ + SDL_ModState = modstate; +} + +char *SDL_GetKeyName(SDLKey key) +{ + const char *keyname; + + keyname = NULL; + if ( key < SDLK_LAST ) { + keyname = keynames[key]; + } + if ( keyname == NULL ) { + keyname = "unknown key"; + } + /* FIXME: make this function const in 1.3 */ + return (char *)(keyname); +} + +/* These are global for SDL_eventloop.c */ +int SDL_PrivateKeyboard(Uint8 state, SDL_keysym *keysym) +{ + SDL_Event event; + int posted, repeatable; + Uint16 modstate; + + SDL_memset(&event, 0, sizeof(event)); + +#if 0 +printf("The '%s' key has been %s\n", SDL_GetKeyName(keysym->sym), + state == SDL_PRESSED ? "pressed" : "released"); +#endif + /* Set up the keysym */ + modstate = (Uint16)SDL_ModState; + + repeatable = 0; + + if ( state == SDL_PRESSED ) { + keysym->mod = (SDLMod)modstate; + switch (keysym->sym) { + case SDLK_UNKNOWN: + break; + case SDLK_NUMLOCK: + modstate ^= KMOD_NUM; + if ( ! (modstate&KMOD_NUM) ) + state = SDL_RELEASED; + keysym->mod = (SDLMod)modstate; + break; + case SDLK_CAPSLOCK: + modstate ^= KMOD_CAPS; + if ( ! (modstate&KMOD_CAPS) ) + state = SDL_RELEASED; + keysym->mod = (SDLMod)modstate; + break; + case SDLK_LCTRL: + modstate |= KMOD_LCTRL; + break; + case SDLK_RCTRL: + modstate |= KMOD_RCTRL; + break; + case SDLK_LSHIFT: + modstate |= KMOD_LSHIFT; + break; + case SDLK_RSHIFT: + modstate |= KMOD_RSHIFT; + break; + case SDLK_LALT: + modstate |= KMOD_LALT; + break; + case SDLK_RALT: + modstate |= KMOD_RALT; + break; + case SDLK_LMETA: + modstate |= KMOD_LMETA; + break; + case SDLK_RMETA: + modstate |= KMOD_RMETA; + break; + case SDLK_MODE: + modstate |= KMOD_MODE; + break; + default: + repeatable = 1; + break; + } + } else { + switch (keysym->sym) { + case SDLK_UNKNOWN: + break; + case SDLK_NUMLOCK: + case SDLK_CAPSLOCK: + /* Only send keydown events */ + return(0); + case SDLK_LCTRL: + modstate &= ~KMOD_LCTRL; + break; + case SDLK_RCTRL: + modstate &= ~KMOD_RCTRL; + break; + case SDLK_LSHIFT: + modstate &= ~KMOD_LSHIFT; + break; + case SDLK_RSHIFT: + modstate &= ~KMOD_RSHIFT; + break; + case SDLK_LALT: + modstate &= ~KMOD_LALT; + break; + case SDLK_RALT: + modstate &= ~KMOD_RALT; + break; + case SDLK_LMETA: + modstate &= ~KMOD_LMETA; + break; + case SDLK_RMETA: + modstate &= ~KMOD_RMETA; + break; + case SDLK_MODE: + modstate &= ~KMOD_MODE; + break; + default: + break; + } + keysym->mod = (SDLMod)modstate; + } + + /* Figure out what type of event this is */ + switch (state) { + case SDL_PRESSED: + event.type = SDL_KEYDOWN; + break; + case SDL_RELEASED: + event.type = SDL_KEYUP; + /* + * jk 991215 - Added + */ + if ( SDL_KeyRepeat.timestamp && + SDL_KeyRepeat.evt.key.keysym.sym == keysym->sym ) { + SDL_KeyRepeat.timestamp = 0; + } + break; + default: + /* Invalid state -- bail */ + return(0); + } + + if ( keysym->sym != SDLK_UNKNOWN ) { + /* Drop events that don't change state */ + if ( SDL_KeyState[keysym->sym] == state ) { +#if 0 +printf("Keyboard event didn't change state - dropped!\n"); +#endif + return(0); + } + + /* Update internal keyboard state */ + SDL_ModState = (SDLMod)modstate; + SDL_KeyState[keysym->sym] = state; + } + + /* Post the event, if desired */ + posted = 0; + if ( SDL_ProcessEvents[event.type] == SDL_ENABLE ) { + event.key.state = state; + event.key.keysym = *keysym; + /* + * jk 991215 - Added + */ + if (repeatable && (SDL_KeyRepeat.delay != 0)) { + SDL_KeyRepeat.evt = event; + SDL_KeyRepeat.firsttime = 1; + SDL_KeyRepeat.timestamp=SDL_GetTicks(); + } + if ( (SDL_EventOK == NULL) || SDL_EventOK(&event) ) { + posted = 1; + SDL_PushEvent(&event); + } + } + return(posted); +} + +/* + * jk 991215 - Added + */ +void SDL_CheckKeyRepeat(void) +{ + if ( SDL_KeyRepeat.timestamp ) { + Uint32 now, interval; + + now = SDL_GetTicks(); + interval = (now - SDL_KeyRepeat.timestamp); + if ( SDL_KeyRepeat.firsttime ) { + if ( interval > (Uint32)SDL_KeyRepeat.delay ) { + SDL_KeyRepeat.timestamp = now; + SDL_KeyRepeat.firsttime = 0; + } + } else { + if ( interval > (Uint32)SDL_KeyRepeat.interval ) { + SDL_KeyRepeat.timestamp = now; + if ( (SDL_EventOK == NULL) || SDL_EventOK(&SDL_KeyRepeat.evt) ) { + SDL_PushEvent(&SDL_KeyRepeat.evt); + } + } + } + } +} + +int SDL_EnableKeyRepeat(int delay, int interval) +{ + if ( (delay < 0) || (interval < 0) ) { + SDL_SetError("keyboard repeat value less than zero"); + return(-1); + } + SDL_KeyRepeat.firsttime = 0; + SDL_KeyRepeat.delay = delay; + SDL_KeyRepeat.interval = interval; + SDL_KeyRepeat.timestamp = 0; + return(0); +} + +void SDL_GetKeyRepeat(int *delay, int *interval) +{ + *delay = SDL_KeyRepeat.delay; + *interval = SDL_KeyRepeat.interval; +} + |