ncurses 5.9 - patch 20120714

[ncurses.git] / ncurses / tinfo / lib_setup.c

diff --git a/ncurses/tinfo/lib_setup.c b/ncurses/tinfo/lib_setup.c
index ab27eb1d8eb90f5719376bc3195de017ef392c6f..ff5857b3730990d33e767d4df9cc8e5aa44eace6 100644 (file)
--- a/ncurses/tinfo/lib_setup.c
+++ b/ncurses/tinfo/lib_setup.c
@@ -37,6 +37,7 @@
  * Terminal setup routines common to termcap and terminfo:
  *
  *             use_env(bool)
+ *             use_tioctl(bool)
  *             setupterm(char *, int, int *)
  */
 
@@ -47,7 +48,7 @@
 #include <locale.h>
 #endif
 
-MODULE_ID("$Id: lib_setup.c,v 1.143 2012/02/29 11:50:19 Werner.Fink Exp $")
+MODULE_ID("$Id: lib_setup.c,v 1.147 2012/07/14 23:59:26 tom Exp $")
 
 /****************************************************************************
  *
@@ -231,6 +232,21 @@ NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f)
     returnVoid;
 }
 
+NCURSES_EXPORT(void)
+NCURSES_SP_NAME(use_tioctl) (NCURSES_SP_DCLx bool f)
+{
+    T((T_CALLED("use_tioctl(%p,%d)"), (void *) SP_PARM, (int) f));
+#if NCURSES_SP_FUNCS
+    START_TRACE();
+    if (IsPreScreen(SP_PARM)) {
+       SP_PARM->_use_tioctl = f;
+    }
+#else
+    _nc_prescreen.use_tioctl = f;
+#endif
+    returnVoid;
+}
+
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(void)
 use_env(bool f)
@@ -240,6 +256,15 @@ use_env(bool f)
     _nc_prescreen.use_env = f;
     returnVoid;
 }
+
+NCURSES_EXPORT(void)
+use_tioctl(bool f)
+{
+    T((T_CALLED("use_tioctl(%d)"), (int) f));
+    START_TRACE();
+    _nc_prescreen.use_tioctl = f;
+    returnVoid;
+}
 #endif
 
 NCURSES_EXPORT(void)
@@ -287,7 +312,9 @@ _nc_get_screensize(SCREEN *sp,
            int screendata[2];
            _scrsize(screendata);
            *colp = screendata[0];
-           *linep = screendata[1];
+           *linep = ((sp != 0 && sp->_filtered)
+                     ? 1
+                     : screendata[1]);
            T(("EMX screen size: environment LINES = %d COLUMNS = %d",
               *linep, *colp));
        }
@@ -313,6 +340,18 @@ _nc_get_screensize(SCREEN *sp,
        }
 #endif /* HAVE_SIZECHANGE */
 
+       if (_nc_prescreen.use_tioctl) {
+           /*
+            * If environment variables are used, update them.
+            */
+           if ((sp == 0 || !sp->_filtered) && _nc_getenv_num("LINES") > 0) {
+               _nc_setenv_num("LINES", *linep);
+           }
+           if (_nc_getenv_num("COLUMNS") > 0) {
+               _nc_setenv_num("COLUMNS", *colp);
+           }
+       }
+
        /*
         * Finally, look for environment variables.
         *
@@ -399,8 +438,11 @@ _nc_update_screensize(SCREEN *sp)
      */
     if (sp != 0
        && sp->_resize != 0) {
-       if ((new_lines != old_lines) || (new_cols != old_cols))
+       if ((new_lines != old_lines) || (new_cols != old_cols)) {
            sp->_resize(NCURSES_SP_ARGx new_lines, new_cols);
+       } else if (sp->_sig_winch && (sp->_ungetch != 0)) {
+           sp->_ungetch(SP_PARM, KEY_RESIZE);  /* so application can know this */
+       }
        sp->_sig_winch = FALSE;
     }
 }
@@ -666,7 +708,7 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
            const TERMTYPE *fallback = _nc_fallback(tname);
 
            if (fallback) {
-               _nc_copy_termtype(&(termp->type),fallback);
+               _nc_copy_termtype(&(termp->type), fallback);
                status = TGETENT_YES;
            }
        }