| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 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 |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | /* Handle the event stream, converting AA events into SDL events */ |
| 25 | |
| 26 | #include <stdio.h> |
| 27 | |
| 28 | #include <aalib.h> |
| 29 | |
| 30 | #include "SDL.h" |
| 31 | #include "../../events/SDL_sysevents.h" |
| 32 | #include "../../events/SDL_events_c.h" |
| 33 | #include "SDL_aavideo.h" |
| 34 | #include "SDL_aaevents_c.h" |
| 35 | |
| 36 | /* The translation tables from a console scancode to a SDL keysym */ |
| 37 | static SDLKey keymap[401]; |
| 38 | |
| 39 | static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym); |
| 40 | |
| 41 | |
| 42 | void AA_PumpEvents(_THIS) |
| 43 | { |
| 44 | int posted = 0; |
| 45 | int mouse_button, mouse_x, mouse_y; |
| 46 | int evt; |
| 47 | SDL_keysym keysym; |
| 48 | |
| 49 | static int prev_button = -1, prev_x = -1, prev_y = -1; |
| 50 | |
| 51 | if( ! this->screen ) /* Wait till we got the screen initialized */ |
| 52 | return; |
| 53 | |
| 54 | do { |
| 55 | posted = 0; |
| 56 | /* Gather events */ |
| 57 | |
| 58 | /* Get mouse status */ |
| 59 | SDL_mutexP(AA_mutex); |
| 60 | aa_getmouse (AA_context, &mouse_x, &mouse_y, &mouse_button); |
| 61 | SDL_mutexV(AA_mutex); |
| 62 | mouse_x = mouse_x * this->screen->w / aa_scrwidth (AA_context); |
| 63 | mouse_y = mouse_y * this->screen->h / aa_scrheight (AA_context); |
| 64 | |
| 65 | /* Compare against previous state and generate events */ |
| 66 | if( prev_button != mouse_button ) { |
| 67 | if( mouse_button & AA_BUTTON1 ) { |
| 68 | if ( ! (prev_button & AA_BUTTON1) ) { |
| 69 | posted += SDL_PrivateMouseButton(SDL_PRESSED, 1, 0, 0); |
| 70 | } |
| 71 | } else { |
| 72 | if ( prev_button & AA_BUTTON1 ) { |
| 73 | posted += SDL_PrivateMouseButton(SDL_RELEASED, 1, 0, 0); |
| 74 | } |
| 75 | } |
| 76 | if( mouse_button & AA_BUTTON2 ) { |
| 77 | if ( ! (prev_button & AA_BUTTON2) ) { |
| 78 | posted += SDL_PrivateMouseButton(SDL_PRESSED, 2, 0, 0); |
| 79 | } |
| 80 | } else { |
| 81 | if ( prev_button & AA_BUTTON2 ) { |
| 82 | posted += SDL_PrivateMouseButton(SDL_RELEASED, 2, 0, 0); |
| 83 | } |
| 84 | } |
| 85 | if( mouse_button & AA_BUTTON3 ) { |
| 86 | if ( ! (prev_button & AA_BUTTON3) ) { |
| 87 | posted += SDL_PrivateMouseButton(SDL_PRESSED, 3, 0, 0); |
| 88 | } |
| 89 | } else { |
| 90 | if ( prev_button & AA_BUTTON3 ) { |
| 91 | posted += SDL_PrivateMouseButton(SDL_RELEASED, 3, 0, 0); |
| 92 | } |
| 93 | } |
| 94 | } |
| 95 | if ( prev_x != mouse_x || prev_y != mouse_y ) { |
| 96 | posted += SDL_PrivateMouseMotion(0, 0, mouse_x, mouse_y); |
| 97 | } |
| 98 | |
| 99 | prev_button = mouse_button; |
| 100 | prev_x = mouse_x; prev_y = mouse_y; |
| 101 | |
| 102 | /* Get keyboard event */ |
| 103 | SDL_mutexP(AA_mutex); |
| 104 | evt = aa_getevent(AA_context, 0); |
| 105 | SDL_mutexV(AA_mutex); |
| 106 | if ( (evt > AA_NONE) && (evt < AA_RELEASE) && (evt != AA_MOUSE) && (evt != AA_RESIZE) ) { |
| 107 | /* Key pressed */ |
| 108 | /* printf("Key pressed: %d (%c)\n", evt, evt); */ |
| 109 | posted += SDL_PrivateKeyboard(SDL_PRESSED, TranslateKey(evt, &keysym)); |
| 110 | } else if ( evt >= AA_RELEASE ) { |
| 111 | /* Key released */ |
| 112 | evt &= ~AA_RELEASE; |
| 113 | /* printf("Key released: %d (%c)\n", evt, evt); */ |
| 114 | posted += SDL_PrivateKeyboard(SDL_RELEASED, TranslateKey(evt, &keysym)); |
| 115 | } |
| 116 | } while ( posted ); |
| 117 | } |
| 118 | |
| 119 | void AA_InitOSKeymap(_THIS) |
| 120 | { |
| 121 | int i; |
| 122 | static const char *std_keys = " 01234567890&#'()_-|$*+-=/\\:;.,!?<>{}[]@~%^\x9"; |
| 123 | const char *std; |
| 124 | |
| 125 | /* Initialize the AAlib key translation table */ |
| 126 | for ( i=0; i<SDL_arraysize(keymap); ++i ) |
| 127 | keymap[i] = SDLK_UNKNOWN; |
| 128 | |
| 129 | /* Alphabet keys */ |
| 130 | for ( i = 0; i<26; ++i ){ |
| 131 | keymap['a' + i] = SDLK_a+i; |
| 132 | keymap['A' + i] = SDLK_a+i; |
| 133 | } |
| 134 | /* Function keys */ |
| 135 | for ( i = 0; i<12; ++i ){ |
| 136 | keymap[334 + i] = SDLK_F1+i; |
| 137 | } |
| 138 | /* Keys that have the same symbols and don't have to be translated */ |
| 139 | for( std = std_keys; *std; std ++ ) { |
| 140 | keymap[*std] = *std; |
| 141 | } |
| 142 | |
| 143 | keymap[13] = SDLK_RETURN; |
| 144 | keymap[AA_BACKSPACE] = SDLK_BACKSPACE; |
| 145 | |
| 146 | keymap[369] = SDLK_LSHIFT; |
| 147 | keymap[370] = SDLK_RSHIFT; |
| 148 | keymap[371] = SDLK_LCTRL; |
| 149 | keymap[372] = SDLK_RCTRL; |
| 150 | keymap[377] = SDLK_LALT; |
| 151 | keymap[270] = SDLK_RALT; |
| 152 | keymap[271] = SDLK_NUMLOCK; |
| 153 | keymap[373] = SDLK_CAPSLOCK; |
| 154 | keymap[164] = SDLK_SCROLLOCK; |
| 155 | |
| 156 | keymap[243] = SDLK_INSERT; |
| 157 | keymap[304] = SDLK_DELETE; |
| 158 | keymap[224] = SDLK_HOME; |
| 159 | keymap[231] = SDLK_END; |
| 160 | keymap[229] = SDLK_PAGEUP; |
| 161 | keymap[230] = SDLK_PAGEDOWN; |
| 162 | |
| 163 | keymap[241] = SDLK_PRINT; |
| 164 | keymap[163] = SDLK_BREAK; |
| 165 | |
| 166 | keymap[302] = SDLK_KP0; |
| 167 | keymap[300] = SDLK_KP1; |
| 168 | keymap[297] = SDLK_KP2; |
| 169 | keymap[299] = SDLK_KP3; |
| 170 | keymap[294] = SDLK_KP4; |
| 171 | keymap[301] = SDLK_KP5; |
| 172 | keymap[296] = SDLK_KP6; |
| 173 | keymap[293] = SDLK_KP7; |
| 174 | keymap[295] = SDLK_KP8; |
| 175 | keymap[298] = SDLK_KP9; |
| 176 | |
| 177 | keymap[AA_ESC] = SDLK_ESCAPE; |
| 178 | keymap[AA_UP] = SDLK_UP; |
| 179 | keymap[AA_DOWN] = SDLK_DOWN; |
| 180 | keymap[AA_LEFT] = SDLK_LEFT; |
| 181 | keymap[AA_RIGHT] = SDLK_RIGHT; |
| 182 | } |
| 183 | |
| 184 | static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym) |
| 185 | { |
| 186 | /* Sanity check */ |
| 187 | if ( scancode >= SDL_arraysize(keymap) ) |
| 188 | scancode = AA_UNKNOWN; |
| 189 | |
| 190 | /* Set the keysym information */ |
| 191 | keysym->scancode = scancode; |
| 192 | keysym->sym = keymap[scancode]; |
| 193 | keysym->mod = KMOD_NONE; |
| 194 | |
| 195 | /* If UNICODE is on, get the UNICODE value for the key */ |
| 196 | keysym->unicode = 0; |
| 197 | if ( SDL_TranslateUNICODE ) { |
| 198 | /* Populate the unicode field with the ASCII value */ |
| 199 | keysym->unicode = scancode; |
| 200 | } |
| 201 | return(keysym); |
| 202 | } |