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terms.c
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/* $Id: terms.c,v 1.63 2010/08/20 09:34:47 htrb Exp $ */
/*
* An original curses library for EUC-kanji by Akinori ITO, December 1989
* revised by Akinori ITO, January 1995
*/
#include <stdio.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/time.h>
#include <unistd.h>
#include "config.h"
#include <string.h>
#include <sys/wait.h>
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#ifndef __MINGW32_VERSION
#include <sys/ioctl.h>
#else
#include <winsock.h>
#endif /* __MINGW32_VERSION */
#ifdef USE_MOUSE
#ifdef USE_GPM
#include <gpm.h>
#endif /* USE_GPM */
#ifdef USE_SYSMOUSE
#include <osreldate.h>
#if (__FreeBSD_version >= 400017) || (__FreeBSD_kernel_version >= 400017)
#include <sys/consio.h>
#include <sys/fbio.h>
#else
#include <machine/console.h>
#endif
int (*sysm_handler) (int x, int y, int nbs, int obs);
static int cwidth = 8, cheight = 16;
static int xpix, ypix, nbs, obs = 0;
#endif /* use_SYSMOUSE */
static int is_xterm = 0;
void mouse_init(void), mouse_end(void);
int mouseActive = 0;
#endif /* USE_MOUSE */
static char *title_str = NULL;
static int tty;
#include "terms.h"
#include "fm.h"
#include "myctype.h"
#ifdef __EMX__
#define INCL_DOSNLS
#include <os2.h>
#endif /* __EMX__ */
#if defined(__CYGWIN__)
#include <windows.h>
#include <sys/cygwin.h>
static int isWinConsole = 0;
#define TERM_CYGWIN 1
#define TERM_CYGWIN_RESERVE_IME 2
static int isLocalConsole = 0;
#if CYGWIN_VERSION_DLL_MAJOR < 1005 && defined(USE_MOUSE)
int cygwin_mouse_btn_swapped = 0;
#endif
#if defined(SUPPORT_WIN9X_CONSOLE_MBCS)
static HANDLE hConIn = INVALID_HANDLE_VALUE;
static int isWin95 = 0;
static char *ConInV;
static int iConIn, nConIn, nConInMax;
static void
check_win9x(void)
{
OSVERSIONINFO winVersionInfo;
winVersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (GetVersionEx(&winVersionInfo) == 0) {
fprintf(stderr, "can't get Windows version information.\n");
exit(1);
}
if (winVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) {
isWin95 = 1;
}
else {
isWin95 = 0;
}
}
void
enable_win9x_console_input(void)
{
if (isWin95 && isWinConsole && isLocalConsole &&
hConIn == INVALID_HANDLE_VALUE) {
hConIn = CreateFile("CONIN$", GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, 0, NULL);
if (hConIn != INVALID_HANDLE_VALUE) {
getch();
}
}
}
void
disable_win9x_console_input(void)
{
if (hConIn != INVALID_HANDLE_VALUE) {
CloseHandle(hConIn);
hConIn = INVALID_HANDLE_VALUE;
}
}
static void
expand_win32_console_input_buffer(int n)
{
if (nConIn + n >= nConInMax) {
char *oldv;
nConInMax = ((nConIn + n) / 2 + 1) * 3;
oldv = ConInV;
ConInV = GC_MALLOC_ATOMIC(nConInMax);
memcpy(ConInV, oldv, nConIn);
}
}
static int
read_win32_console_input(void)
{
INPUT_RECORD rec;
DWORD nevents;
if (PeekConsoleInput(hConIn, &rec, 1, &nevents) && nevents) {
switch (rec.EventType) {
case KEY_EVENT:
expand_win32_console_input_buffer(3);
if (ReadConsole(hConIn, &ConInV[nConIn], 1, &nevents, NULL)) {
nConIn += nevents;
return nevents;
}
break;
default:
break;
}
ReadConsoleInput(hConIn, &rec, 1, &nevents);
}
return 0;
}
static int
read_win32_console(char *s, int n)
{
KEY_EVENT_RECORD *ker;
if (hConIn == INVALID_HANDLE_VALUE)
return read(tty, s, n);
if (n > 0)
for (;;) {
if (iConIn < nConIn) {
if (n > nConIn - iConIn)
n = nConIn - iConIn;
memcpy(s, ConInV, n);
if ((iConIn += n) >= nConIn)
iConIn = nConIn = 0;
break;
}
iConIn = nConIn = 0;
while (!read_win32_console_input()) ;
}
return n;
}
#endif /* SUPPORT_WIN9X_CONSOLE_MBCS */
static HWND
GetConsoleHwnd(void)
{
#define MY_BUFSIZE 1024
HWND hwndFound;
char pszNewWindowTitle[MY_BUFSIZE];
char pszOldWindowTitle[MY_BUFSIZE];
GetConsoleTitle(pszOldWindowTitle, MY_BUFSIZE);
wsprintf(pszNewWindowTitle, "%d/%d",
GetTickCount(), GetCurrentProcessId());
SetConsoleTitle(pszNewWindowTitle);
Sleep(40);
hwndFound = FindWindow(NULL, pszNewWindowTitle);
SetConsoleTitle(pszOldWindowTitle);
return (hwndFound);
}
#if CYGWIN_VERSION_DLL_MAJOR < 1005 && defined(USE_MOUSE)
static unsigned long
cygwin_version(void)
{
struct per_process *p;
p = (struct per_process *)cygwin_internal(CW_USER_DATA);
if (p != NULL) {
return (p->dll_major * 1000) + p->dll_minor;
}
return 0;
}
#endif
static void
check_cygwin_console(void)
{
char *term = getenv("TERM");
char *ctype;
HANDLE hWnd;
if (term == NULL)
term = DEFAULT_TERM;
if (term && strncmp(term, "cygwin", 6) == 0) {
isWinConsole = TERM_CYGWIN;
}
if (isWinConsole) {
hWnd = GetConsoleHwnd();
if (hWnd != INVALID_HANDLE_VALUE) {
if (IsWindowVisible(hWnd)) {
isLocalConsole = 1;
}
}
if (((ctype = getenv("LC_ALL")) ||
(ctype = getenv("LC_CTYPE")) ||
(ctype = getenv("LANG"))) && strncmp(ctype, "ja", 2) == 0) {
isWinConsole = TERM_CYGWIN_RESERVE_IME;
}
#ifdef SUPPORT_WIN9X_CONSOLE_MBCS
check_win9x();
if (isWin95 && ttyslot() != -1) {
isLocalConsole = 0;
}
#endif
}
#if CYGWIN_VERSION_DLL_MAJOR < 1005 && defined(USE_MOUSE)
if (cygwin_version() <= 1003015) {
/* cygwin DLL 1.3.15 or earler */
cygwin_mouse_btn_swapped = 1;
}
#endif
}
#endif /* __CYGWIN__ */
char *getenv(const char *);
MySignalHandler reset_exit(SIGNAL_ARG), reset_error_exit(SIGNAL_ARG), error_dump(SIGNAL_ARG);
void setlinescols(void);
void flush_tty(void);
#ifndef SIGIOT
#define SIGIOT SIGABRT
#endif /* not SIGIOT */
#ifdef HAVE_TERMIO_H
#include <termio.h>
typedef struct termio TerminalMode;
#define TerminalSet(fd,x) ioctl(fd,TCSETA,x)
#define TerminalGet(fd,x) ioctl(fd,TCGETA,x)
#define MODEFLAG(d) ((d).c_lflag)
#define IMODEFLAG(d) ((d).c_iflag)
#endif /* HAVE_TERMIO_H */
#ifdef HAVE_TERMIOS_H
#include <termios.h>
#include <unistd.h>
typedef struct termios TerminalMode;
#define TerminalSet(fd,x) tcsetattr(fd,TCSANOW,x)
#define TerminalGet(fd,x) tcgetattr(fd,x)
#define MODEFLAG(d) ((d).c_lflag)
#define IMODEFLAG(d) ((d).c_iflag)
#endif /* HAVE_TERMIOS_H */
#ifdef HAVE_SGTTY_H
#include <sgtty.h>
typedef struct sgttyb TerminalMode;
#define TerminalSet(fd,x) ioctl(fd,TIOCSETP,x)
#define TerminalGet(fd,x) ioctl(fd,TIOCGETP,x)
#define MODEFLAG(d) ((d).sg_flags)
#endif /* HAVE_SGTTY_H */
#ifdef __MINGW32_VERSION
/* dummy struct */
typedef unsigned char cc_t;
typedef unsigned int speed_t;
typedef unsigned int tcflag_t;
#define NCCS 32
struct termios
{
tcflag_t c_iflag; /* input mode flags */
tcflag_t c_oflag; /* output mode flags */
tcflag_t c_cflag; /* control mode flags */
tcflag_t c_lflag; /* local mode flags */
cc_t c_line; /* line discipline */
cc_t c_cc[NCCS]; /* control characters */
speed_t c_ispeed; /* input speed */
speed_t c_ospeed; /* output speed */
};
typedef struct termios TerminalMode;
#define TerminalSet(fd,x) (0)
#define TerminalGet(fd,x) (0)
#define MODEFLAG(d) (0)
/* dummy defines */
#define SIGHUP (0)
#define SIGQUIT (0)
#define ECHO (0)
#define ISIG (0)
#define VEOF (0)
#define ICANON (0)
#define IXON (0)
#define IXOFF (0)
char *ttyname(int);
#endif /* __MINGW32_VERSION */
#define MAX_LINE 200
#define MAX_COLUMN 400
/* Screen properties */
#define S_SCREENPROP 0x0f
#define S_NORMAL 0x00
#define S_STANDOUT 0x01
#define S_UNDERLINE 0x02
#define S_BOLD 0x04
#define S_EOL 0x08
/* Sort of Character */
#define C_WHICHCHAR 0xc0
#define C_ASCII 0x00
#ifdef USE_M17N
#define C_WCHAR1 0x40
#define C_WCHAR2 0x80
#endif
#define C_CTRL 0xc0
#define CHMODE(c) ((c)&C_WHICHCHAR)
#define SETCHMODE(var,mode) ((var) = (((var)&~C_WHICHCHAR) | mode))
#ifdef USE_M17N
#define SETCH(var,ch,len) ((var) = New_Reuse(char, (var), (len) + 1), \
strncpy((var), (ch), (len + 1)))
#else
#define SETCH(var,ch,len) ((var) = (ch))
#endif
/* Charactor Color */
#define COL_FCOLOR 0xf00
#define COL_FBLACK 0x800
#define COL_FRED 0x900
#define COL_FGREEN 0xa00
#define COL_FYELLOW 0xb00
#define COL_FBLUE 0xc00
#define COL_FMAGENTA 0xd00
#define COL_FCYAN 0xe00
#define COL_FWHITE 0xf00
#define COL_FTERM 0x000
#define S_COLORED 0xf00
#ifdef USE_BG_COLOR
/* Background Color */
#define COL_BCOLOR 0xf000
#define COL_BBLACK 0x8000
#define COL_BRED 0x9000
#define COL_BGREEN 0xa000
#define COL_BYELLOW 0xb000
#define COL_BBLUE 0xc000
#define COL_BMAGENTA 0xd000
#define COL_BCYAN 0xe000
#define COL_BWHITE 0xf000
#define COL_BTERM 0x0000
#define S_BCOLORED 0xf000
#endif /* USE_BG_COLOR */
#define S_GRAPHICS 0x10
#define S_DIRTY 0x20
#define SETPROP(var,prop) (var = (((var)&S_DIRTY) | prop))
/* Line status */
#define L_DIRTY 0x01
#define L_UNUSED 0x02
#define L_NEED_CE 0x04
#define L_CLRTOEOL 0x08
#define ISDIRTY(d) ((d) & L_DIRTY)
#define ISUNUSED(d) ((d) & L_UNUSED)
#define NEED_CE(d) ((d) & L_NEED_CE)
typedef unsigned short l_prop;
typedef struct scline {
#ifdef USE_M17N
char **lineimage;
#else
char *lineimage;
#endif
l_prop *lineprop;
short isdirty;
short eol;
} Screen;
static TerminalMode d_ioval;
static int tty = -1;
static FILE *ttyf = NULL;
static
char bp[1024], funcstr[256];
char *T_cd, *T_ce, *T_kr, *T_kl, *T_cr, *T_bt, *T_ta, *T_sc, *T_rc,
*T_so, *T_se, *T_us, *T_ue, *T_cl, *T_cm, *T_al, *T_sr, *T_md, *T_me,
*T_ti, *T_te, *T_nd, *T_as, *T_ae, *T_eA, *T_ac, *T_op;
int LINES, COLS;
#if defined(__CYGWIN__)
int LASTLINE;
#endif /* defined(__CYGWIN__) */
static int max_LINES = 0, max_COLS = 0;
static int tab_step = 8;
static int CurLine, CurColumn;
static Screen *ScreenElem = NULL, **ScreenImage = NULL;
static l_prop CurrentMode = 0;
static int graph_enabled = 0;
static char gcmap[96];
extern int tgetent(char *, char *);
extern int tgetnum(char *);
extern int tgetflag(char *);
extern char *tgetstr(char *, char **);
extern char *tgoto(char *, int, int);
extern int tputs(char *, int, int (*)(char));
void clear(void), wrap(void), touch_line(void), touch_column(int);
#if 0
void need_clrtoeol(void);
#endif
void clrtoeol(void); /* conflicts with curs_clear(3)? */
static int write1(char);
static void
writestr(char *s)
{
tputs(s, 1, write1);
}
#define MOVE(line,column) writestr(tgoto(T_cm,column,line));
#ifdef USE_IMAGE
void
put_image_osc5379(char *url, int x, int y, int w, int h, int sx, int sy, int sw, int sh)
{
Str buf;
char *size ;
if (w > 0 && h > 0)
size = Sprintf("%dx%d",w,h)->ptr;
else
size = "";
MOVE(y,x);
buf = Sprintf("\x1b]5379;show_picture %s %s %dx%d+%d+%d\x07",url,size,sw,sh,sx,sy);
writestr(buf->ptr);
MOVE(Currentbuf->cursorY,Currentbuf->cursorX);
}
void
put_image_iterm2(char *url, int x, int y, int w, int h)
{
Str buf;
char *cbuf;
FILE *fp;
int c, i;
struct stat st;
if (stat(url, &st))
return;
fp = fopen(url, "r");
if (!fp)
return;
buf = Sprintf("\x1b]1337;"
"File="
"name=%s;"
"size=%d;"
"width=%d;"
"height=%d;"
"preserveAspectRatio=0;"
"inline=1"
":", url, st.st_size, w, h);
MOVE(y,x);
writestr(buf->ptr);
cbuf = GC_MALLOC_ATOMIC(3072);
if (!cbuf)
goto cleanup;
i = 0;
while ((c = fgetc(fp)) != EOF) {
cbuf[i++] = c;
if (i == 3072) {
buf = base64_encode(cbuf, i);
writestr(buf->ptr);
i = 0;
}
}
if (i) {
buf = base64_encode(cbuf, i);
writestr(buf->ptr);
}
cleanup:
fclose(fp);
writestr("\a");
MOVE(Currentbuf->cursorY,Currentbuf->cursorX);
}
void ttymode_set(int mode, int imode);
void ttymode_reset(int mode, int imode);
void
put_image_kitty(char *url, int x, int y, int w, int h, int sx, int sy, int sw,
int sh, int cols, int rows)
{
Str buf, base64;
char *cbuf, *type, *tmpf;
char *argv[4];
FILE *fp;
int c, i, j, m, t, is_anim;
struct stat st;
pid_t pid;
MySignalHandler(*volatile previntr) (SIGNAL_ARG);
MySignalHandler(*volatile prevquit) (SIGNAL_ARG);
MySignalHandler(*volatile prevstop) (SIGNAL_ARG);
if (!url)
return;
type = guessContentType(url);
t = 100; /* always convert to png for now. */
if(!(type && !strcasecmp(type, "image/png"))) {
tmpf = Sprintf("%s/%s.png", tmp_dir, mybasename(url))->ptr;
if (type && !strcasecmp(type, "image/gif")) {
is_anim = 1;
} else {
is_anim = 0;
}
/* convert only if png doesn't exist yet. */
if (stat(tmpf, &st)) {
if (stat(url, &st))
return;
flush_tty();
previntr = mySignal(SIGINT, SIG_IGN);
prevquit = mySignal(SIGQUIT, SIG_IGN);
prevstop = mySignal(SIGTSTP, SIG_IGN);
if ((pid = fork()) == 0) {
i = 0;
close(STDERR_FILENO); /* Don't output error message. */
ttymode_set(ISIG, 0);
if ((cbuf = getenv("W3M_KITTY_TO_PNG")))
argv[i++] = cbuf;
else
argv[i++] = "convert";
if (is_anim) {
buf = Strnew_charp(url);
Strcat_charp(buf, "[0]");
argv[i++] = buf->ptr;
} else {
argv[i++] = url;
}
argv[i++] = tmpf;
argv[i++] = NULL;
execvp(argv[0],argv);
exit(0);
}
else if (pid > 0) {
waitpid(pid, &i, 0);
ttymode_reset(ISIG, 0);
mySignal(SIGINT, previntr);
mySignal(SIGQUIT, prevquit);
mySignal(SIGTSTP, prevstop);
}
pushText(fileToDelete, tmpf);
}
url = tmpf;
}
if (stat(url, &st))
return;
fp = fopen(url, "r");
if (!fp)
return;
MOVE(y, x);
cbuf = GC_MALLOC_ATOMIC(3072); /* base64-encoded chunks of 4096 bytes */
if (!cbuf)
goto cleanup;
i = 0;
while (i < 3072 && (c = fgetc(fp)) != EOF)
cbuf[i++] = c;
base64 = base64_encode(cbuf, i);
if (c == EOF)
m = 0;
else
m = 1;
buf = Sprintf("\x1b_Gf=%d,s=%d,v=%d,a=T,m=%d,x=%d,y=%d,w=%d,h=%d,c=%d,r=%d;"
"%s\x1b\\", t, w, h, m, sx, sy, sw, sh, cols, rows, base64->ptr);
writestr(buf->ptr);
if (m) {
i = 0;
j = 0;
while ((c = fgetc(fp)) != EOF) {
if (j) {
base64 = base64_encode(cbuf, i);
buf = Sprintf("\x1b_Gm=1;%s\x1b\\", base64->ptr);
writestr(buf->ptr);
i = 0;
j = 0;
}
cbuf[i++] = c;
if (i == 3072)
j = 1;
}
if (i) {
base64 = base64_encode(cbuf, i);
buf = Sprintf("\x1b_Gm=0;%s\x1b\\", base64->ptr);
writestr(buf->ptr);
}
}
cleanup:
fclose(fp);
MOVE(Currentbuf->cursorY, Currentbuf->cursorX);
}
static void
save_gif(const char *path, u_char *header, size_t header_size, u_char *body, size_t body_size)
{
int fd;
if ((fd = open(path, O_WRONLY|O_CREAT, 0600)) >= 0) {
write(fd, header, header_size) ;
write(fd, body, body_size) ;
write(fd, "\x3b" , 1) ;
close(fd) ;
}
}
static u_char *
skip_gif_header(u_char *p)
{
/* Header */
p += 10;
if (*(p) & 0x80) {
p += (3 * (2 << ((*p) & 0x7)));
}
p += 3;
return p;
}
static Str
save_first_animation_frame(const char *path)
{
int fd;
struct stat st;
u_char *header;
size_t header_size;
u_char *body;
u_char *p;
ssize_t len;
Str new_path;
new_path = Strnew_charp(path);
Strcat_charp(new_path, "-1");
if (stat(new_path->ptr, &st) == 0) {
return new_path;
}
if ((fd = open( path, O_RDONLY)) < 0) {
return NULL;
}
if (fstat( fd, &st) != 0 || ! (header = GC_malloc( st.st_size))){
close( fd);
return NULL;
}
len = read(fd, header, st.st_size);
close(fd);
/* Header */
if (len != st.st_size || strncmp((char *)header, "GIF89a", 6) != 0) {
return NULL;
}
p = skip_gif_header(header);
header_size = p - header;
/* Application Extension */
if (p[0] == 0x21 && p[1] == 0xff) {
p += 19;
}
/* Other blocks */
body = NULL;
while (p + 2 < header + st.st_size) {
if (*(p++) == 0x21 && *(p++) == 0xf9 && *(p++) == 0x04) {
if( body) {
/* Graphic Control Extension */
save_gif(new_path->ptr, header, header_size, body, p - 3 - body);
return new_path;
}
else {
/* skip the first frame. */
}
body = p - 3;
}
}
return NULL;
}
void
put_image_sixel(char *url, int x, int y, int w, int h, int sx, int sy, int sw, int sh, int n_terminal_image)
{
pid_t pid;
int do_anim;
MySignalHandler(*volatile previntr) (SIGNAL_ARG);
MySignalHandler(*volatile prevquit) (SIGNAL_ARG);
MySignalHandler(*volatile prevstop) (SIGNAL_ARG);
MOVE(y,x);
flush_tty();
do_anim = (n_terminal_image == 1 && x == 0 && y == 0 && sx == 0 && sy == 0);
previntr = mySignal(SIGINT, SIG_IGN);
prevquit = mySignal(SIGQUIT, SIG_IGN);
prevstop = mySignal(SIGTSTP, SIG_IGN);
if ((pid = fork()) == 0) {
char *env;
int n = 0;
char *argv[20];
char digit[2][11+1];
char clip[44+3+1];
Str str_url;
close(STDERR_FILENO); /* Don't output error message. */
if (do_anim) {
writestr("\x1b[?80h");
}
else if (!strstr(url, "://") && strcmp(url+strlen(url)-4, ".gif") == 0 &&
(str_url = save_first_animation_frame(url))) {
url = str_url->ptr;
}
ttymode_set(ISIG, 0);
if ((env = getenv("W3M_IMG2SIXEL"))) {
char *p;
env = Strnew_charp(env)->ptr;
while (n < 8 && (p = strchr(env, ' '))) {
*p = '\0';
if (*env != '\0') {
argv[n++] = env;
}
env = p+1;
}
if (*env != '\0') {
argv[n++] = env;
}
}
else {
argv[n++] = "img2sixel";
}
argv[n++] = "-l";
argv[n++] = do_anim ? "auto" : "disable";
argv[n++] = "-w";
sprintf(digit[0], "%d", w);
argv[n++] = digit[0];
argv[n++] = "-h";
sprintf(digit[1], "%d", h);
argv[n++] = digit[1];
argv[n++] = "-c";
sprintf(clip, "%dx%d+%d+%d", sw, sh, sx, sy);
argv[n++] = clip;
argv[n++] = url;
if (getenv("TERM") && strcmp(getenv("TERM"), "screen") == 0 &&
(!getenv("SCREEN_VARIANT") || strcmp(getenv("SCREEN_VARIANT"), "sixel") != 0)) {
argv[n++] = "-P";
}
argv[n++] = NULL;
execvp(argv[0],argv);
exit(0);
}
else if (pid > 0) {
int status;
waitpid(pid, &status, 0);
ttymode_reset(ISIG, 0);
mySignal(SIGINT, previntr);
mySignal(SIGQUIT, prevquit);
mySignal(SIGTSTP, prevstop);
if (do_anim) {
writestr("\x1b[?80l");
}
}
MOVE(Currentbuf->cursorY,Currentbuf->cursorX);
}
int
get_pixel_per_cell(int *ppc, int *ppl)
{
fd_set rfd;
struct timeval tval;
char buf[100];
char *p;
ssize_t len;
ssize_t left;
int wp,hp,wc,hc;
int i;
#ifdef TIOCGWINSZ
struct winsize ws;
if (ioctl(tty, TIOCGWINSZ, &ws) == 0 && ws.ws_ypixel > 0 && ws.ws_row > 0 &&
ws.ws_xpixel > 0 && ws.ws_col > 0) {
*ppc = ws.ws_xpixel / ws.ws_col;
*ppl = ws.ws_ypixel / ws.ws_row;
return 1;
}
#endif
fputs("\x1b[14t\x1b[18t",ttyf); flush_tty();
p = buf;
left = sizeof(buf) - 1;
for (i = 0; i < 10; i++) {
tval.tv_usec = 200000; /* 0.2 sec * 10 */
tval.tv_sec = 0;
FD_ZERO(&rfd);
FD_SET(tty,&rfd);
if (select(tty+1,&rfd,NULL,NULL,&tval) <= 0 || ! FD_ISSET(tty,&rfd))
continue;
if ((len = read(tty,p,left)) <= 0)
continue;
p[len] = '\0';
if (sscanf(buf,"\x1b[4;%d;%dt\x1b[8;%d;%dt",&hp,&wp,&hc,&wc) == 4) {
if (wp > 0 && wc > 0 && hp > 0 && hc > 0) {
*ppc = wp / wc;
*ppl = hp / hc;
return 1;
}
else {
return 0;
}
}
p += len;
left -= len;
}
return 0;
}
#endif /* USE_IMAGE */
#ifdef USE_MOUSE
#define W3M_TERM_INFO(name, title, mouse) name, title, mouse
#define NEED_XTERM_ON (1)
#define NEED_XTERM_OFF (1<<1)
#ifdef __CYGWIN__
#define NEED_CYGWIN_ON (1<<2)
#define NEED_CYGWIN_OFF (1<<3)
#endif
#else
#define W3M_TERM_INFO(name, title, mouse) name, title
#endif
static char XTERM_TITLE[] = "\033]0;w3m: %s\007";
static char SCREEN_TITLE[] = "\033k%s\033\134";
#ifdef __CYGWIN__
static char CYGWIN_TITLE[] = "w3m: %s";
#endif
/* *INDENT-OFF* */
static struct w3m_term_info {
char *term;
char *title_str;
#ifdef USE_MOUSE
int mouse_flag;
#endif
} w3m_term_info_list[] = {
{W3M_TERM_INFO("xterm", XTERM_TITLE, (NEED_XTERM_ON|NEED_XTERM_OFF))},
{W3M_TERM_INFO("kterm", XTERM_TITLE, (NEED_XTERM_ON|NEED_XTERM_OFF))},
{W3M_TERM_INFO("rxvt", XTERM_TITLE, (NEED_XTERM_ON|NEED_XTERM_OFF))},
{W3M_TERM_INFO("Eterm", XTERM_TITLE, (NEED_XTERM_ON|NEED_XTERM_OFF))},
{W3M_TERM_INFO("mlterm", XTERM_TITLE, (NEED_XTERM_ON|NEED_XTERM_OFF))},
{W3M_TERM_INFO("screen", SCREEN_TITLE, 0)},
#ifdef __CYGWIN__
{W3M_TERM_INFO("cygwin", CYGWIN_TITLE, (NEED_CYGWIN_ON|NEED_CYGWIN_OFF))},
#endif
{W3M_TERM_INFO(NULL, NULL, 0)}
};
#undef W3M_TERM_INFO
/* *INDENT-ON * */
int
set_tty(void)
{
char *ttyn;
if (isatty(0)) /* stdin */
ttyn = ttyname(0);
else
ttyn = DEV_TTY_PATH;
tty = open(ttyn, O_RDWR);
if (tty < 0) {
/* use stderr instead of stdin... is it OK???? */
tty = 2;
}
ttyf = fdopen(tty, "w");
#ifdef __CYGWIN__
check_cygwin_console();
#endif
TerminalGet(tty, &d_ioval);
if (displayTitleTerm != NULL) {
struct w3m_term_info *p;
for (p = w3m_term_info_list; p->term != NULL; p++) {
if (!strncmp(displayTitleTerm, p->term, strlen(p->term))) {
title_str = p->title_str;
break;
}
}
}
#ifdef USE_MOUSE
{
char *term = getenv("TERM");
if (term != NULL) {
struct w3m_term_info *p;
for (p = w3m_term_info_list; p->term != NULL; p++) {
if (!strncmp(term, p->term, strlen(p->term))) {
is_xterm = p->mouse_flag;
break;
}
}
}
}
#endif
return 0;
}
void