Home | History | Annotate | Download | only in vgl
      1 /*
      2     SDL - Simple DirectMedia Layer
      3     Copyright (C) 1997-2012 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 (at) 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 
    300