src/video/vgl/SDL_vglevents.c

   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 X11 events into SDL events */
  25
  26 #include <stdio.h>
  27
  28 #include <sys/fbio.h>
  29 #include <sys/consio.h>
  30 #include <sys/kbio.h>
  31 #include <vgl.h>
  32
  33 #include "SDL.h"
  34 #include "SDL_thread.h"
  35 #include "../../events/SDL_sysevents.h"
  36 #include "../../events/SDL_events_c.h"
  37 #include "SDL_vglvideo.h"
  38 #include "SDL_vglevents_c.h"
  39
  40 /* The translation tables from a console scancode to a SDL keysym */
  41 /* FIXME: Free the keymap when we shut down the video mode */
  42 static keymap_t *vga_keymap = NULL;
  43 static SDLKey keymap[128];
  44 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym);
  45
  46 static int posted = 0;
  47 static int oldx = -1;
  48 static int oldy = -1;
  49 static struct mouse_info mouseinfo;
  50
  51 /* Ugh, we have to duplicate the kernel's keysym mapping code...
  52    Oh, it's not so bad. :-)
  53
  54    FIXME: Add keyboard LED handling code
  55  */
  56 int VGL_initkeymaps(int fd)
  57 {
  58         vga_keymap = SDL_malloc(sizeof(keymap_t));
  59         if ( ! vga_keymap ) {
  60                 SDL_OutOfMemory();
  61                 return(-1);
  62         }
  63         if (ioctl(fd, GIO_KEYMAP, vga_keymap) == -1) {
  64                 SDL_free(vga_keymap);
  65                 vga_keymap = NULL;
  66                 SDL_SetError("Unable to get keyboard map");
  67                 return(-1);
  68         }
  69         return(0);
  70 }
  71
  72 static void handle_keyboard(_THIS)
  73 {
  74         SDL_keysym keysym;
  75         int c, pressed, scancode;
  76
  77         while ((c = VGLKeyboardGetCh()) != 0) {
  78                 scancode = c & 0x7F;
  79                 if (c & 0x80) {
  80                         pressed = SDL_RELEASED;
  81                 } else {
  82                         pressed = SDL_PRESSED;
  83                 }
  84
  85                 posted += SDL_PrivateKeyboard(pressed,
  86                                  TranslateKey(scancode, &keysym));
  87         }
  88 }
  89
  90 int VGL_initmouse(int fd)
  91 {
  92         mouseinfo.operation = MOUSE_GETINFO;
  93         if (ioctl(fd, CONS_MOUSECTL, &mouseinfo) != 0)
  94                 return -1;
  95
  96         return 0;
  97 }
  98
  99 static void handle_mouse(_THIS)
 100 {
 101         char buttons;
 102         int x, y;
 103         int button_state, state_changed, state;
 104         int i;
 105
 106         ioctl(0, CONS_MOUSECTL, &mouseinfo);
 107         x = mouseinfo.u.data.x;
 108         y = mouseinfo.u.data.y;
 109         buttons = mouseinfo.u.data.buttons;
 110
 111         if ((x != oldx) || (y != oldy)) {
 112                 posted += SDL_PrivateMouseMotion(0, 0, x, y);
 113                 oldx = x;
 114                 oldy = y;
 115         }
 116
 117         /* See what's changed */
 118         button_state = SDL_GetMouseState(NULL, NULL);
 119         state_changed = button_state ^ buttons;
 120         for (i = 0; i < 8; i++) {
 121                 if (state_changed & (1<<i)) {
 122                         if (buttons & (1<<i)) {
 123                                 state = SDL_PRESSED;
 124                         } else {
 125                                 state = SDL_RELEASED;
 126                         }
 127                         posted += SDL_PrivateMouseButton(state, i + 1, 0, 0);
 128                 }
 129         }
 130 }
 131
 132
 133 void VGL_PumpEvents(_THIS)
 134 {
 135         do {
 136                 posted = 0;
 137                 handle_keyboard(this);
 138                 handle_mouse(this);
 139         } while (posted != 0);
 140 }
 141
 142 void VGL_InitOSKeymap(_THIS)
 143 {
 144         int i;
 145
 146         /* Initialize the BeOS key translation table */
 147         for ( i=0; i<SDL_arraysize(keymap); ++i )
 148                 keymap[i] = SDLK_UNKNOWN;
 149
 150         keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
 151         keymap[SCANCODE_1] = SDLK_1;
 152         keymap[SCANCODE_2] = SDLK_2;
 153         keymap[SCANCODE_3] = SDLK_3;
 154         keymap[SCANCODE_4] = SDLK_4;
 155         keymap[SCANCODE_5] = SDLK_5;
 156         keymap[SCANCODE_6] = SDLK_6;
 157         keymap[SCANCODE_7] = SDLK_7;
 158         keymap[SCANCODE_8] = SDLK_8;
 159         keymap[SCANCODE_9] = SDLK_9;
 160         keymap[SCANCODE_0] = SDLK_0;
 161         keymap[SCANCODE_MINUS] = SDLK_MINUS;
 162         keymap[SCANCODE_EQUAL] = SDLK_EQUALS;
 163         keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
 164         keymap[SCANCODE_TAB] = SDLK_TAB;
 165         keymap[SCANCODE_Q] = SDLK_q;
 166         keymap[SCANCODE_W] = SDLK_w;
 167         keymap[SCANCODE_E] = SDLK_e;
 168         keymap[SCANCODE_R] = SDLK_r;
 169         keymap[SCANCODE_T] = SDLK_t;
 170         keymap[SCANCODE_Y] = SDLK_y;
 171         keymap[SCANCODE_U] = SDLK_u;
 172         keymap[SCANCODE_I] = SDLK_i;
 173         keymap[SCANCODE_O] = SDLK_o;
 174         keymap[SCANCODE_P] = SDLK_p;
 175         keymap[SCANCODE_BRACKET_LEFT] = SDLK_LEFTBRACKET;
 176         keymap[SCANCODE_BRACKET_RIGHT] = SDLK_RIGHTBRACKET;
 177         keymap[SCANCODE_ENTER] = SDLK_RETURN;
 178         keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
 179         keymap[SCANCODE_A] = SDLK_a;
 180         keymap[SCANCODE_S] = SDLK_s;
 181         keymap[SCANCODE_D] = SDLK_d;
 182         keymap[SCANCODE_F] = SDLK_f;
 183         keymap[SCANCODE_G] = SDLK_g;
 184         keymap[SCANCODE_H] = SDLK_h;
 185         keymap[SCANCODE_J] = SDLK_j;
 186         keymap[SCANCODE_K] = SDLK_k;
 187         keymap[SCANCODE_L] = SDLK_l;
 188         keymap[SCANCODE_SEMICOLON] = SDLK_SEMICOLON;
 189         keymap[SCANCODE_APOSTROPHE] = SDLK_QUOTE;
 190         keymap[SCANCODE_GRAVE] = SDLK_BACKQUOTE;
 191         keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
 192         keymap[SCANCODE_BACKSLASH] = SDLK_BACKSLASH;
 193         keymap[SCANCODE_Z] = SDLK_z;
 194         keymap[SCANCODE_X] = SDLK_x;
 195         keymap[SCANCODE_C] = SDLK_c;
 196         keymap[SCANCODE_V] = SDLK_v;
 197         keymap[SCANCODE_B] = SDLK_b;
 198         keymap[SCANCODE_N] = SDLK_n;
 199         keymap[SCANCODE_M] = SDLK_m;
 200         keymap[SCANCODE_COMMA] = SDLK_COMMA;
 201         keymap[SCANCODE_PERIOD] = SDLK_PERIOD;
 202         keymap[SCANCODE_SLASH] = SDLK_SLASH;
 203         keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
 204         keymap[SCANCODE_KEYPADMULTIPLY] = SDLK_KP_MULTIPLY;
 205         keymap[SCANCODE_LEFTALT] = SDLK_LALT;
 206         keymap[SCANCODE_SPACE] = SDLK_SPACE;
 207         keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
 208         keymap[SCANCODE_F1] = SDLK_F1;
 209         keymap[SCANCODE_F2] = SDLK_F2;
 210         keymap[SCANCODE_F3] = SDLK_F3;
 211         keymap[SCANCODE_F4] = SDLK_F4;
 212         keymap[SCANCODE_F5] = SDLK_F5;
 213         keymap[SCANCODE_F6] = SDLK_F6;
 214         keymap[SCANCODE_F7] = SDLK_F7;
 215         keymap[SCANCODE_F8] = SDLK_F8;
 216         keymap[SCANCODE_F9] = SDLK_F9;
 217         keymap[SCANCODE_F10] = SDLK_F10;
 218         keymap[SCANCODE_NUMLOCK] = SDLK_NUMLOCK;
 219         keymap[SCANCODE_SCROLLLOCK] = SDLK_SCROLLOCK;
 220         keymap[SCANCODE_KEYPAD7] = SDLK_KP7;
 221         keymap[SCANCODE_CURSORUPLEFT] = SDLK_KP7;
 222         keymap[SCANCODE_KEYPAD8] = SDLK_KP8;
 223         keymap[SCANCODE_CURSORUP] = SDLK_KP8;
 224         keymap[SCANCODE_KEYPAD9] = SDLK_KP9;
 225         keymap[SCANCODE_CURSORUPRIGHT] = SDLK_KP9;
 226         keymap[SCANCODE_KEYPADMINUS] = SDLK_KP_MINUS;
 227         keymap[SCANCODE_KEYPAD4] = SDLK_KP4;
 228         keymap[SCANCODE_CURSORLEFT] = SDLK_KP4;
 229         keymap[SCANCODE_KEYPAD5] = SDLK_KP5;
 230         keymap[SCANCODE_KEYPAD6] = SDLK_KP6;
 231         keymap[SCANCODE_CURSORRIGHT] = SDLK_KP6;
 232         keymap[SCANCODE_KEYPADPLUS] = SDLK_KP_PLUS;
 233         keymap[SCANCODE_KEYPAD1] = SDLK_KP1;
 234         keymap[SCANCODE_CURSORDOWNLEFT] = SDLK_KP1;
 235         keymap[SCANCODE_KEYPAD2] = SDLK_KP2;
 236         keymap[SCANCODE_CURSORDOWN] = SDLK_KP2;
 237         keymap[SCANCODE_KEYPAD3] = SDLK_KP3;
 238         keymap[SCANCODE_CURSORDOWNRIGHT] = SDLK_KP3;
 239         keymap[SCANCODE_KEYPAD0] = SDLK_KP0;
 240         keymap[SCANCODE_KEYPADPERIOD] = SDLK_KP_PERIOD;
 241         keymap[SCANCODE_LESS] = SDLK_LESS;
 242         keymap[SCANCODE_F11] = SDLK_F11;
 243         keymap[SCANCODE_F12] = SDLK_F12;
 244         keymap[SCANCODE_KEYPADENTER] = SDLK_KP_ENTER;
 245         keymap[SCANCODE_RIGHTCONTROL] = SDLK_RCTRL;
 246         keymap[SCANCODE_CONTROL] = SDLK_RCTRL;
 247         keymap[SCANCODE_KEYPADDIVIDE] = SDLK_KP_DIVIDE;
 248         keymap[SCANCODE_PRINTSCREEN] = SDLK_PRINT;
 249         keymap[SCANCODE_RIGHTALT] = SDLK_RALT;
 250         keymap[SCANCODE_BREAK] = SDLK_BREAK;
 251         keymap[SCANCODE_BREAK_ALTERNATIVE] = SDLK_UNKNOWN;
 252         keymap[SCANCODE_HOME] = SDLK_HOME;
 253         keymap[SCANCODE_CURSORBLOCKUP] = SDLK_UP;
 254         keymap[SCANCODE_PAGEUP] = SDLK_PAGEUP;
 255         keymap[SCANCODE_CURSORBLOCKLEFT] = SDLK_LEFT;
 256         keymap[SCANCODE_CURSORBLOCKRIGHT] = SDLK_RIGHT;
 257         keymap[SCANCODE_END] = SDLK_END;
 258         keymap[SCANCODE_CURSORBLOCKDOWN] = SDLK_DOWN;
 259         keymap[SCANCODE_PAGEDOWN] = SDLK_PAGEDOWN;
 260         keymap[SCANCODE_INSERT] = SDLK_INSERT;
 261         keymap[SCANCODE_REMOVE] = SDLK_DELETE;
 262         keymap[119] = SDLK_PAUSE;
 263         keymap[SCANCODE_RIGHTWIN] = SDLK_RSUPER;
 264         keymap[SCANCODE_LEFTWIN] = SDLK_LSUPER;
 265         keymap[127] = SDLK_MENU;
 266 }
 267
 268 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
 269 {
 270         /* Set the keysym information */
 271         keysym->scancode = scancode;
 272         keysym->sym = keymap[scancode];
 273         keysym->mod = KMOD_NONE;
 274
 275         /* If UNICODE is on, get the UNICODE value for the key */
 276         keysym->unicode = 0;
 277         if ( SDL_TranslateUNICODE && vga_keymap ) {
 278                 int map;
 279                 SDLMod modstate;
 280
 281                 modstate = SDL_GetModState();
 282                 map = 0;
 283                 if ( modstate & KMOD_SHIFT ) {
 284                         map += 1;
 285                 }
 286                 if ( modstate & KMOD_CTRL ) {
 287                         map += 2;
 288                 }
 289                 if ( modstate & KMOD_ALT ) {
 290                         map += 4;
 291                 }
 292                 if ( !(vga_keymap->key[scancode].spcl & (0x80 >> map)) ) {
 293                         keysym->unicode = vga_keymap->key[scancode].map[map];
 294                 }
 295
 296         }
 297         return(keysym);
 298 }
 299