diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/ps2gs/SDL_gsevents.c')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/ps2gs/SDL_gsevents.c | 977 |
1 files changed, 977 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/ps2gs/SDL_gsevents.c b/distrib/sdl-1.2.15/src/video/ps2gs/SDL_gsevents.c new file mode 100644 index 0000000..1b842af --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/ps2gs/SDL_gsevents.c @@ -0,0 +1,977 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 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" + +/* Handle the event stream, converting console events into SDL events */ + +#include <sys/types.h> +#include <sys/time.h> +#include <sys/ioctl.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> +#include <limits.h> + +/* For parsing /proc */ +#include <dirent.h> +#include <ctype.h> + +#include <linux/vt.h> +#include <linux/kd.h> +#include <linux/keyboard.h> + +#include "SDL_mutex.h" +#include "../SDL_sysvideo.h" +#include "../../events/SDL_sysevents.h" +#include "../../events/SDL_events_c.h" +#include "SDL_gsvideo.h" +#include "SDL_gsevents_c.h" +#include "SDL_gskeys.h" + +#ifndef GPM_NODE_FIFO +#define GPM_NODE_FIFO "/dev/gpmdata" +#endif + +/* The translation tables from a console scancode to a SDL keysym */ +#define NUM_VGAKEYMAPS (1<<KG_CAPSSHIFT) +static Uint16 vga_keymap[NUM_VGAKEYMAPS][NR_KEYS]; +static SDLKey keymap[128]; +static Uint16 keymap_temp[128]; /* only used at startup */ +static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym); + +/* Ugh, we have to duplicate the kernel's keysym mapping code... + Oh, it's not so bad. :-) + + FIXME: Add keyboard LED handling code + */ +static void GS_vgainitkeymaps(int fd) +{ + struct kbentry entry; + int map, i; + + /* Don't do anything if we are passed a closed keyboard */ + if ( fd < 0 ) { + return; + } + + /* Load all the keysym mappings */ + for ( map=0; map<NUM_VGAKEYMAPS; ++map ) { + SDL_memset(vga_keymap[map], 0, NR_KEYS*sizeof(Uint16)); + for ( i=0; i<NR_KEYS; ++i ) { + entry.kb_table = map; + entry.kb_index = i; + if ( ioctl(fd, KDGKBENT, &entry) == 0 ) { + /* fill keytemp. This replaces SDL_fbkeys.h */ + if ( (map == 0) && (i<128) ) { + keymap_temp[i] = entry.kb_value; + } + /* The "Enter" key is a special case */ + if ( entry.kb_value == K_ENTER ) { + entry.kb_value = K(KT_ASCII,13); + } + /* Handle numpad specially as well */ + if ( KTYP(entry.kb_value) == KT_PAD ) { + switch ( entry.kb_value ) { + case K_P0: + case K_P1: + case K_P2: + case K_P3: + case K_P4: + case K_P5: + case K_P6: + case K_P7: + case K_P8: + case K_P9: + vga_keymap[map][i]=entry.kb_value; + vga_keymap[map][i]+= '0'; + break; + case K_PPLUS: + vga_keymap[map][i]=K(KT_ASCII,'+'); + break; + case K_PMINUS: + vga_keymap[map][i]=K(KT_ASCII,'-'); + break; + case K_PSTAR: + vga_keymap[map][i]=K(KT_ASCII,'*'); + break; + case K_PSLASH: + vga_keymap[map][i]=K(KT_ASCII,'/'); + break; + case K_PENTER: + vga_keymap[map][i]=K(KT_ASCII,'\r'); + break; + case K_PCOMMA: + vga_keymap[map][i]=K(KT_ASCII,','); + break; + case K_PDOT: + vga_keymap[map][i]=K(KT_ASCII,'.'); + break; + default: + break; + } + } + /* Do the normal key translation */ + if ( (KTYP(entry.kb_value) == KT_LATIN) || + (KTYP(entry.kb_value) == KT_ASCII) || + (KTYP(entry.kb_value) == KT_LETTER) ) { + vga_keymap[map][i] = entry.kb_value; + } + } + } + } +} + +int GS_InGraphicsMode(_THIS) +{ + return((keyboard_fd >= 0) && (saved_kbd_mode >= 0)); +} + +int GS_EnterGraphicsMode(_THIS) +{ + struct termios keyboard_termios; + + /* Set medium-raw keyboard mode */ + if ( (keyboard_fd >= 0) && !GS_InGraphicsMode(this) ) { + + /* Switch to the correct virtual terminal */ + if ( current_vt > 0 ) { + struct vt_stat vtstate; + + if ( ioctl(keyboard_fd, VT_GETSTATE, &vtstate) == 0 ) { + saved_vt = vtstate.v_active; + } + if ( ioctl(keyboard_fd, VT_ACTIVATE, current_vt) == 0 ) { + ioctl(keyboard_fd, VT_WAITACTIVE, current_vt); + } + } + + /* Set the terminal input mode */ + if ( tcgetattr(keyboard_fd, &saved_kbd_termios) < 0 ) { + SDL_SetError("Unable to get terminal attributes"); + if ( keyboard_fd > 0 ) { + close(keyboard_fd); + } + keyboard_fd = -1; + return(-1); + } + if ( ioctl(keyboard_fd, KDGKBMODE, &saved_kbd_mode) < 0 ) { + SDL_SetError("Unable to get current keyboard mode"); + if ( keyboard_fd > 0 ) { + close(keyboard_fd); + } + keyboard_fd = -1; + return(-1); + } + keyboard_termios = saved_kbd_termios; + keyboard_termios.c_lflag &= ~(ICANON | ECHO | ISIG); + keyboard_termios.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON); + keyboard_termios.c_cc[VMIN] = 0; + keyboard_termios.c_cc[VTIME] = 0; + if (tcsetattr(keyboard_fd, TCSAFLUSH, &keyboard_termios) < 0) { + GS_CloseKeyboard(this); + SDL_SetError("Unable to set terminal attributes"); + return(-1); + } + /* This will fail if we aren't root or this isn't our tty */ + if ( ioctl(keyboard_fd, KDSKBMODE, K_MEDIUMRAW) < 0 ) { + GS_CloseKeyboard(this); + SDL_SetError("Unable to set keyboard in raw mode"); + return(-1); + } + if ( ioctl(keyboard_fd, KDSETMODE, KD_GRAPHICS) < 0 ) { + GS_CloseKeyboard(this); + SDL_SetError("Unable to set keyboard in graphics mode"); + return(-1); + } + } + return(keyboard_fd); +} + +void GS_LeaveGraphicsMode(_THIS) +{ + if ( GS_InGraphicsMode(this) ) { + ioctl(keyboard_fd, KDSETMODE, KD_TEXT); + ioctl(keyboard_fd, KDSKBMODE, saved_kbd_mode); + tcsetattr(keyboard_fd, TCSAFLUSH, &saved_kbd_termios); + saved_kbd_mode = -1; + + /* Head back over to the original virtual terminal */ + if ( saved_vt > 0 ) { + ioctl(keyboard_fd, VT_ACTIVATE, saved_vt); + } + } +} + +void GS_CloseKeyboard(_THIS) +{ + if ( keyboard_fd >= 0 ) { + GS_LeaveGraphicsMode(this); + if ( keyboard_fd > 0 ) { + close(keyboard_fd); + } + } + keyboard_fd = -1; +} + +int GS_OpenKeyboard(_THIS) +{ + /* Open only if not already opened */ + if ( keyboard_fd < 0 ) { + char *tty0[] = { "/dev/tty0", "/dev/vc/0", NULL }; + char *vcs[] = { "/dev/vc/%d", "/dev/tty%d", NULL }; + int i, tty0_fd; + + /* Try to query for a free virtual terminal */ + tty0_fd = -1; + for ( i=0; tty0[i] && (tty0_fd < 0); ++i ) { + tty0_fd = open(tty0[i], O_WRONLY, 0); + } + if ( tty0_fd < 0 ) { + tty0_fd = dup(0); /* Maybe stdin is a VT? */ + } + ioctl(tty0_fd, VT_OPENQRY, ¤t_vt); + close(tty0_fd); + if ( (geteuid() == 0) && (current_vt > 0) ) { + for ( i=0; vcs[i] && (keyboard_fd < 0); ++i ) { + char vtpath[12]; + + SDL_snprintf(vtpath, SDL_arraysize(vtpath), vcs[i], current_vt); + keyboard_fd = open(vtpath, O_RDWR, 0); +#ifdef DEBUG_KEYBOARD + fprintf(stderr, "vtpath = %s, fd = %d\n", + vtpath, keyboard_fd); +#endif /* DEBUG_KEYBOARD */ + + /* This needs to be our controlling tty + so that the kernel ioctl() calls work + */ + if ( keyboard_fd >= 0 ) { + tty0_fd = open("/dev/tty", O_RDWR, 0); + if ( tty0_fd >= 0 ) { + ioctl(tty0_fd, TIOCNOTTY, 0); + close(tty0_fd); + } + } + } + } + if ( keyboard_fd < 0 ) { + /* Last resort, maybe our tty is a usable VT */ + current_vt = 0; + keyboard_fd = open("/dev/tty", O_RDWR); + } +#ifdef DEBUG_KEYBOARD + fprintf(stderr, "Current VT: %d\n", current_vt); +#endif + saved_kbd_mode = -1; + + /* Make sure that our input is a console terminal */ + { int dummy; + if ( ioctl(keyboard_fd, KDGKBMODE, &dummy) < 0 ) { + close(keyboard_fd); + keyboard_fd = -1; + SDL_SetError("Unable to open a console terminal"); + } + } + + /* Set up keymap */ + GS_vgainitkeymaps(keyboard_fd); + } + return(keyboard_fd); +} + +static enum { + MOUSE_NONE = -1, + MOUSE_GPM, /* Note: GPM uses the MSC protocol */ + MOUSE_PS2, + MOUSE_IMPS2, + MOUSE_MS, + MOUSE_BM, + NUM_MOUSE_DRVS +} mouse_drv = MOUSE_NONE; + +void GS_CloseMouse(_THIS) +{ + if ( mouse_fd > 0 ) { + close(mouse_fd); + } + mouse_fd = -1; +} + +/* Returns processes listed in /proc with the desired name */ +static int find_pid(DIR *proc, const char *wanted_name) +{ + struct dirent *entry; + int pid; + + /* First scan proc for the gpm process */ + pid = 0; + while ( (pid == 0) && ((entry=readdir(proc)) != NULL) ) { + if ( isdigit(entry->d_name[0]) ) { + FILE *status; + char path[PATH_MAX]; + char name[PATH_MAX]; + + SDL_snprintf(path, SDL_arraysize(path), "/proc/%s/status", entry->d_name); + status=fopen(path, "r"); + if ( status ) { + name[0] = '\0'; + fscanf(status, "Name: %s", name); + if ( SDL_strcmp(name, wanted_name) == 0 ) { + pid = atoi(entry->d_name); + } + fclose(status); + } + } + } + return pid; +} + +/* Returns true if /dev/gpmdata is being written to by gpm */ +static int gpm_available(void) +{ + int available; + DIR *proc; + int pid; + int cmdline, len, arglen; + char path[PATH_MAX]; + char args[PATH_MAX], *arg; + + /* Don't bother looking if the fifo isn't there */ + if ( access(GPM_NODE_FIFO, F_OK) < 0 ) { + return(0); + } + + available = 0; + proc = opendir("/proc"); + if ( proc ) { + while ( (pid=find_pid(proc, "gpm")) > 0 ) { + SDL_snprintf(path, SDL_arraysize(path), "/proc/%d/cmdline", pid); + cmdline = open(path, O_RDONLY, 0); + if ( cmdline >= 0 ) { + len = read(cmdline, args, sizeof(args)); + arg = args; + while ( len > 0 ) { + if ( SDL_strcmp(arg, "-R") == 0 ) { + available = 1; + } + arglen = SDL_strlen(arg)+1; + len -= arglen; + arg += arglen; + } + close(cmdline); + } + } + closedir(proc); + } + return available; +} + + +/* rcg06112001 Set up IMPS/2 mode, if possible. This gives + * us access to the mousewheel, etc. Returns zero if + * writes to device failed, but you still need to query the + * device to see which mode it's actually in. + */ +static int set_imps2_mode(int fd) +{ + /* If you wanted to control the mouse mode (and we do :) ) ... + Set IMPS/2 protocol: + {0xf3,200,0xf3,100,0xf3,80} + Reset mouse device: + {0xFF} + */ + Uint8 set_imps2[] = {0xf3, 200, 0xf3, 100, 0xf3, 80}; + Uint8 reset = 0xff; + fd_set fdset; + struct timeval tv; + int retval = 0; + + if ( write(fd, &set_imps2, sizeof(set_imps2)) == sizeof(set_imps2) ) { + if (write(fd, &reset, sizeof (reset)) == sizeof (reset) ) { + retval = 1; + } + } + + /* Get rid of any chatter from the above */ + FD_ZERO(&fdset); + FD_SET(fd, &fdset); + tv.tv_sec = 0; + tv.tv_usec = 0; + while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) { + char temp[32]; + read(fd, temp, sizeof(temp)); + } + + return retval; +} + + +/* Returns true if the mouse uses the IMPS/2 protocol */ +static int detect_imps2(int fd) +{ + int imps2; + + imps2 = 0; + + if ( SDL_getenv("SDL_MOUSEDEV_IMPS2") ) { + imps2 = 1; + } + if ( ! imps2 ) { + Uint8 query_ps2 = 0xF2; + fd_set fdset; + struct timeval tv; + + /* Get rid of any mouse motion noise */ + FD_ZERO(&fdset); + FD_SET(fd, &fdset); + tv.tv_sec = 0; + tv.tv_usec = 0; + while ( select(fd+1, &fdset, 0, 0, &tv) > 0 ) { + char temp[32]; + read(fd, temp, sizeof(temp)); + } + + /* Query for the type of mouse protocol */ + if ( write(fd, &query_ps2, sizeof (query_ps2)) == sizeof (query_ps2)) { + Uint8 ch = 0; + + /* Get the mouse protocol response */ + do { + FD_ZERO(&fdset); + FD_SET(fd, &fdset); + tv.tv_sec = 1; + tv.tv_usec = 0; + if ( select(fd+1, &fdset, 0, 0, &tv) < 1 ) { + break; + } + } while ( (read(fd, &ch, sizeof (ch)) == sizeof (ch)) && + ((ch == 0xFA) || (ch == 0xAA)) ); + + /* Experimental values (Logitech wheelmouse) */ +#ifdef DEBUG_MOUSE +fprintf(stderr, "Last mouse mode: 0x%x\n", ch); +#endif + if ( ch == 3 ) { + imps2 = 1; + } + } + } + return imps2; +} + +int GS_OpenMouse(_THIS) +{ + int i; + const char *mousedev; + const char *mousedrv; + + mousedrv = SDL_getenv("SDL_MOUSEDRV"); + mousedev = SDL_getenv("SDL_MOUSEDEV"); + mouse_fd = -1; + + /* STD MICE */ + + if ( mousedev == NULL ) { + /* FIXME someday... allow multiple mice in this driver */ + char *ps2mice[] = { + "/dev/input/mice", "/dev/usbmouse", "/dev/psaux", NULL + }; + /* First try to use GPM in repeater mode */ + if ( mouse_fd < 0 ) { + if ( gpm_available() ) { + mouse_fd = open(GPM_NODE_FIFO, O_RDONLY, 0); + if ( mouse_fd >= 0 ) { +#ifdef DEBUG_MOUSE +fprintf(stderr, "Using GPM mouse\n"); +#endif + mouse_drv = MOUSE_GPM; + } + } + } + /* Now try to use a modern PS/2 mouse */ + for ( i=0; (mouse_fd < 0) && ps2mice[i]; ++i ) { + mouse_fd = open(ps2mice[i], O_RDWR, 0); + if (mouse_fd < 0) { + mouse_fd = open(ps2mice[i], O_RDONLY, 0); + } + if (mouse_fd >= 0) { + /* rcg06112001 Attempt to set IMPS/2 mode */ + if ( i == 0 ) { + set_imps2_mode(mouse_fd); + } + if (detect_imps2(mouse_fd)) { +#ifdef DEBUG_MOUSE +fprintf(stderr, "Using IMPS2 mouse\n"); +#endif + mouse_drv = MOUSE_IMPS2; + } else { + mouse_drv = MOUSE_PS2; +#ifdef DEBUG_MOUSE +fprintf(stderr, "Using PS2 mouse\n"); +#endif + } + } + } + /* Next try to use a PPC ADB port mouse */ + if ( mouse_fd < 0 ) { + mouse_fd = open("/dev/adbmouse", O_RDONLY, 0); + if ( mouse_fd >= 0 ) { +#ifdef DEBUG_MOUSE +fprintf(stderr, "Using ADB mouse\n"); +#endif + mouse_drv = MOUSE_BM; + } + } + } + /* Default to a serial Microsoft mouse */ + if ( mouse_fd < 0 ) { + if ( mousedev == NULL ) { + mousedev = "/dev/mouse"; + } + mouse_fd = open(mousedev, O_RDONLY, 0); + if ( mouse_fd >= 0 ) { + struct termios mouse_termios; + + /* Set the sampling speed to 1200 baud */ + tcgetattr(mouse_fd, &mouse_termios); + mouse_termios.c_iflag = IGNBRK | IGNPAR; + mouse_termios.c_oflag = 0; + mouse_termios.c_lflag = 0; + mouse_termios.c_line = 0; + mouse_termios.c_cc[VTIME] = 0; + mouse_termios.c_cc[VMIN] = 1; + mouse_termios.c_cflag = CREAD | CLOCAL | HUPCL; + mouse_termios.c_cflag |= CS8; + mouse_termios.c_cflag |= B1200; + tcsetattr(mouse_fd, TCSAFLUSH, &mouse_termios); +#ifdef DEBUG_MOUSE +fprintf(stderr, "Using Microsoft mouse on %s\n", mousedev); +#endif + mouse_drv = MOUSE_MS; + } + } + if ( mouse_fd < 0 ) { + mouse_drv = MOUSE_NONE; + } + return(mouse_fd); +} + +static int posted = 0; + +void GS_vgamousecallback(int button, int dx, int dy) +{ + int button_1, button_3; + int button_state; + int state_changed; + int i; + Uint8 state; + + if ( dx || dy ) { + posted += SDL_PrivateMouseMotion(0, 1, dx, dy); + } + + /* Swap button 1 and 3 */ + button_1 = (button & 0x04) >> 2; + button_3 = (button & 0x01) << 2; + button &= ~0x05; + button |= (button_1|button_3); + + /* See what changed */ + button_state = SDL_GetMouseState(NULL, NULL); + state_changed = button_state ^ button; + for ( i=0; i<8; ++i ) { + if ( state_changed & (1<<i) ) { + if ( button & (1<<i) ) { + state = SDL_PRESSED; + } else { + state = SDL_RELEASED; + } + posted += SDL_PrivateMouseButton(state, i+1, 0, 0); + } + } +} + +/* For now, use GPM, PS/2, and MS protocols + Driver adapted from the SVGAlib mouse driver code (taken from gpm, etc.) + */ +static void handle_mouse(_THIS) +{ + static int start = 0; + static unsigned char mousebuf[BUFSIZ]; + int i, nread; + int button = 0; + int dx = 0, dy = 0; + int packetsize = 0; + + /* Figure out the mouse packet size */ + switch (mouse_drv) { + case MOUSE_NONE: + /* Ack! */ + read(mouse_fd, mousebuf, BUFSIZ); + return; + case MOUSE_GPM: + packetsize = 5; + break; + case MOUSE_IMPS2: + packetsize = 4; + break; + case MOUSE_PS2: + case MOUSE_MS: + case MOUSE_BM: + packetsize = 3; + break; + case NUM_MOUSE_DRVS: + /* Uh oh.. */ + packetsize = 0; + break; + } + + /* Read as many packets as possible */ + nread = read(mouse_fd, &mousebuf[start], BUFSIZ-start); + if ( nread < 0 ) { + return; + } + nread += start; +#ifdef DEBUG_MOUSE + fprintf(stderr, "Read %d bytes from mouse, start = %d\n", nread, start); +#endif + for ( i=0; i<(nread-(packetsize-1)); i += packetsize ) { + switch (mouse_drv) { + case MOUSE_NONE: + break; + case MOUSE_GPM: + /* GPM protocol has 0x80 in high byte */ + if ( (mousebuf[i] & 0xF8) != 0x80 ) { + /* Go to next byte */ + i -= (packetsize-1); + continue; + } + /* Get current mouse state */ + button = (~mousebuf[i]) & 0x07; + dx = (signed char)(mousebuf[i+1]) + + (signed char)(mousebuf[i+3]); + dy = -((signed char)(mousebuf[i+2]) + + (signed char)(mousebuf[i+4])); + break; + case MOUSE_PS2: + /* PS/2 protocol has nothing in high byte */ + if ( (mousebuf[i] & 0xC0) != 0 ) { + /* Go to next byte */ + i -= (packetsize-1); + continue; + } + /* Get current mouse state */ + button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/ + (mousebuf[i] & 0x02) >> 1 | /*Right*/ + (mousebuf[i] & 0x01) << 2; /*Left*/ + dx = (mousebuf[i] & 0x10) ? + mousebuf[i+1] - 256 : mousebuf[i+1]; + dy = (mousebuf[i] & 0x20) ? + -(mousebuf[i+2] - 256) : -mousebuf[i+2]; + break; + case MOUSE_IMPS2: + /* Get current mouse state */ + button = (mousebuf[i] & 0x04) >> 1 | /*Middle*/ + (mousebuf[i] & 0x02) >> 1 | /*Right*/ + (mousebuf[i] & 0x01) << 2 | /*Left*/ + (mousebuf[i] & 0x40) >> 3 | /* 4 */ + (mousebuf[i] & 0x80) >> 3; /* 5 */ + dx = (mousebuf[i] & 0x10) ? + mousebuf[i+1] - 256 : mousebuf[i+1]; + dy = (mousebuf[i] & 0x20) ? + -(mousebuf[i+2] - 256) : -mousebuf[i+2]; + switch (mousebuf[i+3]&0x0F) { + case 0x0E: /* DX = +1 */ + case 0x02: /* DX = -1 */ + break; + case 0x0F: /* DY = +1 (map button 4) */ + FB_vgamousecallback(button | (1<<3), + 1, 0, 0); + break; + case 0x01: /* DY = -1 (map button 5) */ + FB_vgamousecallback(button | (1<<4), + 1, 0, 0); + break; + } + break; + case MOUSE_MS: + /* Microsoft protocol has 0x40 in high byte */ + if ( (mousebuf[i] & 0x40) != 0x40 ) { + /* Go to next byte */ + i -= (packetsize-1); + continue; + } + /* Get current mouse state */ + button = ((mousebuf[i] & 0x20) >> 3) | + ((mousebuf[i] & 0x10) >> 4); + dx = (signed char)(((mousebuf[i] & 0x03) << 6) | + (mousebuf[i + 1] & 0x3F)); + dy = (signed char)(((mousebuf[i] & 0x0C) << 4) | + (mousebuf[i + 2] & 0x3F)); + break; + case MOUSE_BM: + /* BusMouse protocol has 0xF8 in high byte */ + if ( (mousebuf[i] & 0xF8) != 0x80 ) { + /* Go to next byte */ + i -= (packetsize-1); + continue; + } + /* Get current mouse state */ + button = (~mousebuf[i]) & 0x07; + dx = (signed char)mousebuf[i+1]; + dy = -(signed char)mousebuf[i+2]; + break; + case NUM_MOUSE_DRVS: + /* Uh oh.. */ + dx = 0; + dy = 0; + break; + } + GS_vgamousecallback(button, dx, dy); + } + if ( i < nread ) { + SDL_memcpy(mousebuf, &mousebuf[i], (nread-i)); + start = (nread-i); + } else { + start = 0; + } + return; +} + +static void handle_keyboard(_THIS) +{ + unsigned char keybuf[BUFSIZ]; + int i, nread; + int pressed; + int scancode; + SDL_keysym keysym; + + nread = read(keyboard_fd, keybuf, BUFSIZ); + for ( i=0; i<nread; ++i ) { + scancode = keybuf[i] & 0x7F; + if ( keybuf[i] & 0x80 ) { + pressed = SDL_RELEASED; + } else { + pressed = SDL_PRESSED; + } + TranslateKey(scancode, &keysym); + posted += SDL_PrivateKeyboard(pressed, &keysym); + } +} + +void GS_PumpEvents(_THIS) +{ + fd_set fdset; + int max_fd; + static struct timeval zero; + + do { + posted = 0; + + FD_ZERO(&fdset); + max_fd = 0; + if ( keyboard_fd >= 0 ) { + FD_SET(keyboard_fd, &fdset); + if ( max_fd < keyboard_fd ) { + max_fd = keyboard_fd; + } + } + if ( mouse_fd >= 0 ) { + FD_SET(mouse_fd, &fdset); + if ( max_fd < mouse_fd ) { + max_fd = mouse_fd; + } + } + if ( select(max_fd+1, &fdset, NULL, NULL, &zero) > 0 ) { + if ( keyboard_fd >= 0 ) { + if ( FD_ISSET(keyboard_fd, &fdset) ) { + handle_keyboard(this); + } + } + if ( mouse_fd >= 0 ) { + if ( FD_ISSET(mouse_fd, &fdset) ) { + handle_mouse(this); + } + } + } + } while ( posted ); +} + +void GS_InitOSKeymap(_THIS) +{ + int i; + + /* Initialize the Linux key translation table */ + + /* First get the ascii keys and others not well handled */ + for (i=0; i<SDL_arraysize(keymap); ++i) { + switch(i) { + /* These aren't handled by the x86 kernel keymapping (?) */ + case SCANCODE_PRINTSCREEN: + keymap[i] = SDLK_PRINT; + break; + case SCANCODE_BREAK: + keymap[i] = SDLK_BREAK; + break; + case SCANCODE_BREAK_ALTERNATIVE: + keymap[i] = SDLK_PAUSE; + break; + case SCANCODE_LEFTSHIFT: + keymap[i] = SDLK_LSHIFT; + break; + case SCANCODE_RIGHTSHIFT: + keymap[i] = SDLK_RSHIFT; + break; + case SCANCODE_LEFTCONTROL: + keymap[i] = SDLK_LCTRL; + break; + case SCANCODE_RIGHTCONTROL: + keymap[i] = SDLK_RCTRL; + break; + case SCANCODE_RIGHTWIN: + keymap[i] = SDLK_RSUPER; + break; + case SCANCODE_LEFTWIN: + keymap[i] = SDLK_LSUPER; + break; + case 127: + keymap[i] = SDLK_MENU; + break; + /* this should take care of all standard ascii keys */ + default: + keymap[i] = KVAL(vga_keymap[0][i]); + break; + } + } + for (i=0; i<SDL_arraysize(keymap); ++i) { + switch(keymap_temp[i]) { + case K_F1: keymap[i] = SDLK_F1; break; + case K_F2: keymap[i] = SDLK_F2; break; + case K_F3: keymap[i] = SDLK_F3; break; + case K_F4: keymap[i] = SDLK_F4; break; + case K_F5: keymap[i] = SDLK_F5; break; + case K_F6: keymap[i] = SDLK_F6; break; + case K_F7: keymap[i] = SDLK_F7; break; + case K_F8: keymap[i] = SDLK_F8; break; + case K_F9: keymap[i] = SDLK_F9; break; + case K_F10: keymap[i] = SDLK_F10; break; + case K_F11: keymap[i] = SDLK_F11; break; + case K_F12: keymap[i] = SDLK_F12; break; + + case K_DOWN: keymap[i] = SDLK_DOWN; break; + case K_LEFT: keymap[i] = SDLK_LEFT; break; + case K_RIGHT: keymap[i] = SDLK_RIGHT; break; + case K_UP: keymap[i] = SDLK_UP; break; + + case K_P0: keymap[i] = SDLK_KP0; break; + case K_P1: keymap[i] = SDLK_KP1; break; + case K_P2: keymap[i] = SDLK_KP2; break; + case K_P3: keymap[i] = SDLK_KP3; break; + case K_P4: keymap[i] = SDLK_KP4; break; + case K_P5: keymap[i] = SDLK_KP5; break; + case K_P6: keymap[i] = SDLK_KP6; break; + case K_P7: keymap[i] = SDLK_KP7; break; + case K_P8: keymap[i] = SDLK_KP8; break; + case K_P9: keymap[i] = SDLK_KP9; break; + case K_PPLUS: keymap[i] = SDLK_KP_PLUS; break; + case K_PMINUS: keymap[i] = SDLK_KP_MINUS; break; + case K_PSTAR: keymap[i] = SDLK_KP_MULTIPLY; break; + case K_PSLASH: keymap[i] = SDLK_KP_DIVIDE; break; + case K_PENTER: keymap[i] = SDLK_KP_ENTER; break; + case K_PDOT: keymap[i] = SDLK_KP_PERIOD; break; + + case K_SHIFT: if ( keymap[i] != SDLK_RSHIFT ) + keymap[i] = SDLK_LSHIFT; + break; + case K_SHIFTL: keymap[i] = SDLK_LSHIFT; break; + case K_SHIFTR: keymap[i] = SDLK_RSHIFT; break; + case K_CTRL: if ( keymap[i] != SDLK_RCTRL ) + keymap[i] = SDLK_LCTRL; + break; + case K_CTRLL: keymap[i] = SDLK_LCTRL; break; + case K_CTRLR: keymap[i] = SDLK_RCTRL; break; + case K_ALT: keymap[i] = SDLK_LALT; break; + case K_ALTGR: keymap[i] = SDLK_RALT; break; + + case K_INSERT: keymap[i] = SDLK_INSERT; break; + case K_REMOVE: keymap[i] = SDLK_DELETE; break; + case K_PGUP: keymap[i] = SDLK_PAGEUP; break; + case K_PGDN: keymap[i] = SDLK_PAGEDOWN; break; + case K_FIND: keymap[i] = SDLK_HOME; break; + case K_SELECT: keymap[i] = SDLK_END; break; + + case K_NUM: keymap[i] = SDLK_NUMLOCK; break; + case K_CAPS: keymap[i] = SDLK_CAPSLOCK; break; + + case K_F13: keymap[i] = SDLK_PRINT; break; + case K_HOLD: keymap[i] = SDLK_SCROLLOCK; break; + case K_PAUSE: keymap[i] = SDLK_PAUSE; break; + + case 127: keymap[i] = SDLK_BACKSPACE; break; + + default: break; + } + } +} + +static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym) +{ + /* Set the keysym information */ + keysym->scancode = scancode; + keysym->sym = keymap[scancode]; + keysym->mod = KMOD_NONE; + + /* If UNICODE is on, get the UNICODE value for the key */ + keysym->unicode = 0; + if ( SDL_TranslateUNICODE ) { + int map; + SDLMod modstate; + + modstate = SDL_GetModState(); + map = 0; + if ( modstate & KMOD_SHIFT ) { + map |= (1<<KG_SHIFT); + } + if ( modstate & KMOD_CTRL ) { + map |= (1<<KG_CTRL); + } + if ( modstate & KMOD_ALT ) { + map |= (1<<KG_ALT); + } + if ( modstate & KMOD_MODE ) { + map |= (1<<KG_ALTGR); + } + if ( KTYP(vga_keymap[map][scancode]) == KT_LETTER ) { + if ( modstate & KMOD_CAPS ) { + map ^= (1<<KG_SHIFT); + } + } + if ( KTYP(vga_keymap[map][scancode]) == KT_PAD ) { + if ( modstate & KMOD_NUM ) { + keysym->unicode=KVAL(vga_keymap[map][scancode]); + } + } else { + keysym->unicode = KVAL(vga_keymap[map][scancode]); + } + } + return(keysym); +} |