diff options
Diffstat (limited to 'lib/libcurses/tty.c')
| -rw-r--r-- | lib/libcurses/tty.c | 56 |
1 files changed, 42 insertions, 14 deletions
diff --git a/lib/libcurses/tty.c b/lib/libcurses/tty.c index 346b850..6525539 100644 --- a/lib/libcurses/tty.c +++ b/lib/libcurses/tty.c @@ -37,6 +37,7 @@ static char sccsid[] = "@(#)tty.c 8.4 (Berkeley) 5/18/94"; #include <termios.h> #include <unistd.h> +#include <fcntl.h> #include "curses.h" @@ -53,6 +54,7 @@ int __tcaction = 1; /* Ignore hardware settings. */ int __tcaction = 0; #endif +int __tty_fileno; struct termios __orig_termios, __baset; static struct termios cbreakt, rawt, *curt; static int useraw; @@ -64,6 +66,9 @@ static int useraw; #define OXTABS 0 #endif #endif +#ifndef _PATH_TTY +#define _PATH_TTY "/dev/tty" +#endif /* * gettmode -- @@ -74,8 +79,12 @@ gettmode() { useraw = 0; - if (tcgetattr(STDIN_FILENO, &__orig_termios)) - return (ERR); + if (tcgetattr(__tty_fileno = STDIN_FILENO, &__orig_termios)) { + if ((__tty_fileno = open(_PATH_TTY, O_RDONLY, 0)) < 0) + return (ERR); + else if (tcgetattr(__tty_fileno, &__orig_termios)) + return (ERR); + } __baset = __orig_termios; __baset.c_oflag &= ~OXTABS; @@ -115,7 +124,7 @@ gettmode() } curt = &__baset; - return (tcsetattr(STDIN_FILENO, __tcaction ? + return (tcsetattr(__tty_fileno, __tcaction ? TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK); } @@ -124,7 +133,7 @@ raw() { useraw = __pfast = __rawmode = 1; curt = &rawt; - return (tcsetattr(STDIN_FILENO, __tcaction ? + return (tcsetattr(__tty_fileno, __tcaction ? TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK); } @@ -133,7 +142,7 @@ noraw() { useraw = __pfast = __rawmode = 0; curt = &__baset; - return (tcsetattr(STDIN_FILENO, __tcaction ? + return (tcsetattr(__tty_fileno, __tcaction ? TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK); } @@ -143,7 +152,7 @@ cbreak() __rawmode = 1; curt = useraw ? &rawt : &cbreakt; - return (tcsetattr(STDIN_FILENO, __tcaction ? + return (tcsetattr(__tty_fileno, __tcaction ? TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK); } @@ -153,7 +162,7 @@ nocbreak() __rawmode = 0; curt = useraw ? &rawt : &__baset; - return (tcsetattr(STDIN_FILENO, __tcaction ? + return (tcsetattr(__tty_fileno, __tcaction ? TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK); } @@ -165,7 +174,7 @@ echo() __baset.c_lflag |= ECHO; __echoit = 1; - return (tcsetattr(STDIN_FILENO, __tcaction ? + return (tcsetattr(__tty_fileno, __tcaction ? TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK); } @@ -177,7 +186,7 @@ noecho() __baset.c_lflag &= ~ECHO; __echoit = 0; - return (tcsetattr(STDIN_FILENO, __tcaction ? + return (tcsetattr(__tty_fileno, __tcaction ? TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK); } @@ -192,7 +201,7 @@ nl() __baset.c_oflag |= ONLCR; __pfast = __rawmode; - return (tcsetattr(STDIN_FILENO, __tcaction ? + return (tcsetattr(__tty_fileno, __tcaction ? TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK); } @@ -207,7 +216,7 @@ nonl() __baset.c_oflag &= ~ONLCR; __pfast = 1; - return (tcsetattr(STDIN_FILENO, __tcaction ? + return (tcsetattr(__tty_fileno, __tcaction ? TCSASOFT | TCSADRAIN : TCSADRAIN, curt) ? ERR : OK); } @@ -219,6 +228,23 @@ __startwin() tputs(TI, 0, __cputchar); tputs(VS, 0, __cputchar); + if (curscr != NULL && __usecs) + __set_scroll_region(0, curscr->maxx - 1, 0, 0); +} + +void +__set_scroll_region(top, bot, ox, oy) +int top, bot, ox, oy; +{ + if (SC != NULL && RC != NULL) + tputs(SC, 0, __cputchar); + tputs(__tscroll(CS, top, bot), 1, __cputchar); + if (SC != NULL && RC != NULL) + tputs(RC, 0, __cputchar); + else { + tputs(HO, 1, __cputchar); + __mvcur(0, 0, oy, ox, 1); + } } int @@ -231,6 +257,8 @@ endwin() tputs(SE, 0, __cputchar); curscr->flags &= ~__WSTANDOUT; } + if (__usecs) + __set_scroll_region(0, curscr->maxx - 1, 0, 0); __mvcur(curscr->cury, curscr->cury, curscr->maxy - 1, 0, 0); } @@ -239,7 +267,7 @@ endwin() (void)fflush(stdout); (void)setvbuf(stdout, NULL, _IOLBF, 0); - return (tcsetattr(STDIN_FILENO, __tcaction ? + return (tcsetattr(__tty_fileno, __tcaction ? TCSASOFT | TCSADRAIN : TCSADRAIN, &__orig_termios) ? ERR : OK); } @@ -252,12 +280,12 @@ static struct termios savedtty; int savetty() { - return (tcgetattr(STDIN_FILENO, &savedtty) ? ERR : OK); + return (tcgetattr(__tty_fileno, &savedtty) ? ERR : OK); } int resetty() { - return (tcsetattr(STDIN_FILENO, __tcaction ? + return (tcsetattr(__tty_fileno, __tcaction ? TCSASOFT | TCSADRAIN : TCSADRAIN, &savedtty) ? ERR : OK); } |
