diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/ps2gs/SDL_gsevents.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/ps2gs/SDL_gsevents.c | 977 |
1 files changed, 0 insertions, 977 deletions
diff --git a/distrib/sdl-1.2.12/src/video/ps2gs/SDL_gsevents.c b/distrib/sdl-1.2.12/src/video/ps2gs/SDL_gsevents.c deleted file mode 100644 index 13f96b5..0000000 --- a/distrib/sdl-1.2.12/src/video/ps2gs/SDL_gsevents.c +++ /dev/null @@ -1,977 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 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); -} |