Mercurial > sdl-ios-xcode
view src/events/SDL_keyboard.c @ 4204:976bc19f8f6b SDL-1.2
1.2 Quartz video: Ripped out QuickDraw and QuickTime.
Now we use the software path for YUV, and CoreGraphics for 2D stuff.
There are several other 10.6 fixes in here, too...now we can build a 64-bit
SDL for Snow Leopard!
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Mon, 21 Sep 2009 06:08:23 +0000 |
parents | 3b7fc3416601 |
children | 0ca47eaff9c9 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2009 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; /* Global no-lock-keys support */ static Uint8 SDL_NoLockKeys; #define SDL_NLK_CAPS 0x01 #define SDL_NLK_NUM 0x02 /* Public functions */ int SDL_KeyboardInit(void) { const char* env; 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); /* Allow environment override to disable special lock-key behavior */ env = SDL_getenv("SDL_NO_LOCK_KEYS"); SDL_NoLockKeys = 0; if (env) { switch (SDL_atoi(env)) { case 1: SDL_NoLockKeys = SDL_NLK_CAPS | SDL_NLK_NUM; break; case 2: SDL_NoLockKeys = SDL_NLK_CAPS; break; case 3: SDL_NoLockKeys = SDL_NLK_NUM; break; default: break; } } /* 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 ( SDL_NoLockKeys & SDL_NLK_NUM ) break; if ( ! (modstate&KMOD_NUM) ) state = SDL_RELEASED; keysym->mod = (SDLMod)modstate; break; case SDLK_CAPSLOCK: modstate ^= KMOD_CAPS; if ( SDL_NoLockKeys & SDL_NLK_CAPS ) break; 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: if ( SDL_NoLockKeys & SDL_NLK_NUM ) break; /* Only send keydown events */ return(0); case SDLK_CAPSLOCK: if ( SDL_NoLockKeys & SDL_NLK_CAPS ) break; /* 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; }