WebSVN – HelenOS-historic – Diff – /uspace/trunk/tetris/screen.c

 /*
  * Tetris screen control.
  */
-#include <sys/ioctl.h>
 #include <err.h>
-//#include <setjmp.h>
-//#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <term.h>
-#include <termios.h>
 #include <unistd.h>
+#include <io/stream.h>
 #include "screen.h"
 #include "tetris.h"
 static cell curscreen[B_SIZE];  /* 1 => standout (or otherwise marked) */
  * count=1.  (See screen.h for putpad().)
  */
 #define putstr(s)   (void)fputs(s, stdout)
 #define moveto(r, c)    putpad(tgoto(CMstr, c, r))
+static int con_phone;
 /*
  * Set up from termcap.
  */
 void
 scr_init(void)
+{
-    static int bsflag, xsflag, sgnum;
-#ifdef unneeded
-    static int ncflag;
-#endif
-    char *term, *fill;
-    static struct tcninfo { /* termcap numeric and flag info */
-        char tcname[3];
-        int *tcaddr;
-    } tcflags[] = {
-        {"bs", &bsflag},
-        {"ms", &MSflag},
-#ifdef unneeded
-        {"nc", &ncflag},
-#endif
-        {"xs", &xsflag},
-        { {0}, NULL}
-    }, tcnums[] = {
-        {"co", &COnum},
-        {"li", &LInum},
-        {"sg", &sgnum},
-        { {0}, NULL}
-    };
-    if ((term = getenv("TERM")) == NULL)
-        stop("you must set the TERM environment variable");
-    if (tgetent(tbuf, term) <= 0)
-        stop("cannot find your termcap");
-    fill = combuf;
-    {
-        struct tcsinfo *p;
-        for (p = tcstrings; p->tcaddr; p++)
-            *p->tcaddr = tgetstr(p->tcname, &fill);
-    }
-    if (classic)
-        SOstr = SEstr = NULL;
-    {
-        struct tcninfo *p;
-        for (p = tcflags; p->tcaddr; p++)
-            *p->tcaddr = tgetflag(p->tcname);
-        for (p = tcnums; p->tcaddr; p++)
-            *p->tcaddr = tgetnum(p->tcname);
+    con_phone = get_fd_phone(1);
-    }
-    if (bsflag)
-        BC = "\b";
-    else if (BC == NULL && bcstr != NULL)
-        BC = bcstr;
-    if (CLstr == NULL)
-        stop("cannot clear screen");
-    if (CMstr == NULL || UP == NULL || BC == NULL)
-        stop("cannot do random cursor positioning via tgoto()");
-    PC = pcstr ? *pcstr : 0;
-    if (sgnum > 0 || xsflag)
-        SOstr = SEstr = NULL;
-#ifdef unneeded
-    if (ncflag)
-        CRstr = NULL;
-    else if (CRstr == NULL)
-        CRstr = "\r";
-#endif
+}
-/* this foolery is needed to modify tty state `atomically' */
-//static jmp_buf scr_onstop;
-/* static void */
-/* stopset(int sig) */
-/* { */
-/*  sigset_t sigset; */
-/*  (void) signal(sig, SIG_DFL); */
-/*  (void) kill(getpid(), sig); */
-/*  sigemptyset(&sigset); */
-/*  sigaddset(&sigset, sig); */
-/*  (void) sigprocmask(SIG_UNBLOCK, &sigset, (sigset_t *)0); */
-/*  longjmp(scr_onstop, 1); */
-/* } */
 static void
 scr_stop(int sig)
+{
-//  sigset_t sigset;
     scr_end();
-/*  (void) kill(getpid(), sig); */
-/*  sigemptyset(&sigset); */
-/*  sigaddset(&sigset, sig); */
-/*  (void) sigprocmask(SIG_UNBLOCK, &sigset, (sigset_t *)0); */
     scr_set();
     scr_msg(key_msg, 1);
+}
 /*
 void
 scr_set(void)
+{
     struct winsize ws;
     struct termios newtt;
-//  sigset_t sigset, osigset;
     void (*ttou)(int);
-/*  sigemptyset(&sigset); */
-/*  sigaddset(&sigset, SIGTSTP); */
-/*  sigaddset(&sigset, SIGTTOU); */
-/*  (void) sigprocmask(SIG_BLOCK, &sigset, &osigset); */
-/*  if ((tstp = signal(SIGTSTP, stopset)) == SIG_IGN) */
-/*      (void) signal(SIGTSTP, SIG_IGN); */
-/*  if ((ttou = signal(SIGTTOU, stopset)) == SIG_IGN) */
-/*      (void) signal(SIGTTOU, SIG_IGN); */
-/*  /\* */
-/*   * At last, we are ready to modify the tty state.  If */
-/*   * we stop while at it, stopset() above will longjmp back */
-/*   * to the setjmp here and we will start over. */
-/*   *\/ */
-/*  (void) setjmp(scr_onstop); */
-/*  (void) sigprocmask(SIG_SETMASK, &osigset, (sigset_t *)0); */
     Rows = 0, Cols = 0;
     if (ioctl(0, TIOCGWINSZ, &ws) == 0) {
         Rows = ws.ws_row;
         Cols = ws.ws_col;
+    }
     newtt = oldtt;
     newtt.c_lflag &= ~(ICANON|ECHO);
     newtt.c_oflag &= ~OXTABS;
     if (tcsetattr(0, TCSADRAIN, &newtt) < 0)
         stop("tcsetattr() fails");
-/*  (void) sigprocmask(SIG_BLOCK, &sigset, &osigset); */
     /*
      * We made it.  We are now in screen mode, modulo TIstr
      * (which we will fix immediately).
      */
     if (TIstr)
         putstr(TIstr);  /* termcap(5) says this is not padded */
-/*  if (tstp != SIG_IGN) */
-/*      (void) signal(SIGTSTP, scr_stop); */
-/*  if (ttou != SIG_IGN) */
-/*      (void) signal(SIGTTOU, ttou); */
     isset = 1;
-//  (void) sigprocmask(SIG_SETMASK, &osigset, (sigset_t *)0);
     scr_clear();
+}
 /*
  * End screen mode.
  */
 void
 scr_end(void)
+{
-//  sigset_t sigset, osigset;
-/*  sigemptyset(&sigset); */
-/*  sigaddset(&sigset, SIGTSTP); */
-/*  sigaddset(&sigset, SIGTTOU); */
-/*  (void) sigprocmask(SIG_BLOCK, &sigset, &osigset); */
-    /* move cursor to last line */
-    if (LLstr)
-        putstr(LLstr);  /* termcap(5) says this is not padded */
-    else
-        moveto(Rows - 1, 0);
-    /* exit screen mode */
-    if (TEstr)
-        putstr(TEstr);  /* termcap(5) says this is not padded */
-//  (void) fflush(stdout);
-    (void) tcsetattr(0, TCSADRAIN, &oldtt);
-    isset = 0;
-    /* restore signals */
-/*  (void) signal(SIGTSTP, tstp); */
-/*  (void) sigprocmask(SIG_SETMASK, &osigset, (sigset_t *)0); */
+}
 void
 stop(char *why)
+{
 scr_update(void)
+{
     cell *bp, *sp;
     regcell so, cur_so = 0;
     int i, ccol, j;
-//  sigset_t sigset, osigset;
     static const struct shape *lastshape;
-/*  sigemptyset(&sigset); */
-/*  sigaddset(&sigset, SIGTSTP); */
-/*  (void) sigprocmask(SIG_BLOCK, &sigset, &osigset); */
     /* always leave cursor after last displayed point */
     curscreen[D_LAST * B_COLS - 1] = -1;
     if (score != curscore) {
         if (HOstr)

Subversion Repositories HelenOS-historic

(root)/uspace/trunk/tetris/screen.c – Rev 1472 → 1519