| 0,0 → 1,560 |
|---|
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 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 |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| |
| |
| /* General keyboard handling code for SDL */ |
| |
| #include <stdio.h> |
| #include <ctype.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "SDL_error.h" |
| #include "SDL_events.h" |
| #include "SDL_timer.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 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; |
| Uint16 i; |
| |
| /* Set default mode of UNICODE translation */ |
| SDL_EnableUNICODE(DEFAULT_UNICODE_TRANSLATION); |
| |
| /* Initialize the tables */ |
| SDL_ModState = KMOD_NONE; |
| for ( i=0; i<SDL_TABLESIZE(keynames); ++i ) |
| keynames[i] = NULL; |
| for ( i=0; i<SDL_TABLESIZE(SDL_KeyState); ++i ) |
| SDL_KeyState[i] = SDL_RELEASED; |
| 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"; |
| |
| /* Done. Whew. */ |
| return(0); |
| } |
| |
| /* We lost the keyboard, so post key up messages for all pressed keys */ |
| void SDL_ResetKeyboard(void) |
| { |
| SDL_keysym keysym; |
| SDLKey key; |
| |
| 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) |
| { |
| char *keyname; |
| |
| keyname = NULL; |
| if ( key < SDLK_LAST ) { |
| keyname = keynames[key]; |
| } |
| if ( keyname == NULL ) { |
| keyname = "unknown key"; |
| } |
| return(keyname); |
| } |
| |
| /* These are global for SDL_eventloop.c */ |
| int SDL_PrivateKeyboard(Uint8 state, SDL_keysym *keysym) |
| { |
| SDL_Event event; |
| int posted, repeatable; |
| Uint16 modstate; |
| |
| memset(&event, 0, sizeof(event)); |
| |
| /* Set up the keysym */ |
| modstate = (Uint16)SDL_ModState; |
| |
| repeatable = 0; |
| |
| if ( state == SDL_PRESSED ) { |
| keysym->mod = (SDLMod)modstate; |
| switch (keysym->sym) { |
| 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_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.timestamp = 0; |
| } |
| break; |
| default: |
| /* Invalid state -- bail */ |
| return(0); |
| } |
| |
| // /* Drop events that don't change state */ |
| // if ( SDL_KeyState[keysym->sym] == state ) { |
| // 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; |
| if ( (SDL_EventOK == NULL) || SDL_EventOK(&event) ) { |
| posted = 1; |
| /* |
| * jk 991215 - Added |
| */ |
| if (repeatable && (SDL_KeyRepeat.delay != 0)) { |
| SDL_KeyRepeat.evt = event; |
| SDL_KeyRepeat.firsttime = 1; |
| SDL_KeyRepeat.timestamp=SDL_GetTicks(); |
| } |
| 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; |
| 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); |
| } |
| |