X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_set_term.c;h=2b1387ad7a027ddc217821f83bf3511067cc504c;hp=426383046c87f443061200228917480a56d3bf23;hb=aabbbcb7892fd946828a4170378b13b9d12435c6;hpb=0be808514502f3149b379d036ab3a83cbb4d4c02

diff --git a/ncurses/base/lib_set_term.c b/ncurses/base/lib_set_term.c
index 42638304..2b1387ad 100644
--- a/ncurses/base/lib_set_term.c
+++ b/ncurses/base/lib_set_term.c
@@ -44,7 +44,7 @@
 #include <term.h>		/* cur_term */
 #include <tic.h>
 
-MODULE_ID("$Id: lib_set_term.c,v 1.95 2007/03/10 23:52:01 tom Exp $")
+MODULE_ID("$Id: lib_set_term.c,v 1.100 2007/09/08 21:23:43 tom Exp $")
 
 NCURSES_EXPORT(SCREEN *)
 set_term(SCREEN *screenp)
@@ -53,6 +53,8 @@ set_term(SCREEN *screenp)
 
     T((T_CALLED("set_term(%p)"), screenp));
 
+    _nc_lock_global(set_SP);
+
     oldSP = SP;
     _nc_set_screen(screenp);
 
@@ -65,6 +67,8 @@ set_term(SCREEN *screenp)
     COLOR_PAIRS = SP->_pair_count;
 #endif
 
+    _nc_unlock_global(set_SP);
+
     T((T_RETURN("%p"), oldSP));
     return (oldSP);
 }
@@ -90,6 +94,7 @@ delscreen(SCREEN *sp)
 
     T((T_CALLED("delscreen(%p)"), sp));
 
+    _nc_lock_global(set_SP);
     while (*scan) {
 	if (*scan == sp) {
 	    *scan = sp->_next_screen;
@@ -163,13 +168,11 @@ delscreen(SCREEN *sp)
 #endif
 	_nc_set_screen(0);
     }
+    _nc_unlock_global(set_SP);
+
     returnVoid;
 }
 
-static ripoff_t rippedoff[5];
-static ripoff_t *rsp = rippedoff;
-#define N_RIPS SIZEOF(SP->_rippedoff)
-
 static bool
 no_mouse_event(SCREEN *sp GCC_UNUSED)
 {
@@ -218,6 +221,9 @@ extract_fgbg(char *src, int *result)
 }
 #endif
 
+#define ripoff_sp	_nc_prescreen.rsp
+#define ripoff_stack	_nc_prescreen.rippedoff
+
 /* OS-independent screen initializations */
 NCURSES_EXPORT(int)
 _nc_setupscreen(int slines GCC_UNUSED,
@@ -227,8 +233,8 @@ _nc_setupscreen(int slines GCC_UNUSED,
 		int slk_format)
 {
     int bottom_stolen = 0;
-    int i;
     bool support_cookies = USE_XMC_SUPPORT;
+    ripoff_t *rop;
 
     T((T_CALLED("_nc_setupscreen(%d, %d, %p, %d, %d)"),
        slines, scolumns, output, filtered, slk_format));
@@ -270,18 +276,6 @@ _nc_setupscreen(int slines GCC_UNUSED,
 	cursor_home = carriage_return;
 	T(("filter screensize %dx%d", LINES, COLS));
     }
-
-    /* If we must simulate soft labels, grab off the line to be used.
-       We assume that we must simulate, if it is none of the standard
-       formats (4-4  or 3-2-3) for which there may be some hardware
-       support. */
-    if (num_labels <= 0 || !SLK_STDFMT(slk_format)) {
-	if (slk_format) {
-	    if (ERR == _nc_ripoffline(-SLK_LINES(slk_format),
-				      _nc_slk_initialize))
-		returnCode(ERR);
-	}
-    }
 #ifdef __DJGPP__
     T(("setting output mode to binary"));
     fflush(output);
@@ -548,33 +542,45 @@ _nc_setupscreen(int slines GCC_UNUSED,
     def_shell_mode();
     def_prog_mode();
 
-    for (i = 0, rsp = rippedoff; rsp->line && (i < (int) N_RIPS); rsp++, i++) {
-	T(("ripping off line %d at %s", i, rsp->line < 0 ? "bottom" : "top"));
-	SP->_rippedoff[i] = rippedoff[i];
-	if (rsp->hook) {
-	    int count = (rsp->line < 0) ? -rsp->line : rsp->line;
-
-	    SP->_rippedoff[i].w = newwin(count,
-					 scolumns,
-					 ((rsp->line < 0)
-					  ? SP->_lines_avail - count
-					  : 0),
-					 0);
-	    if (SP->_rippedoff[i].w != 0)
-		SP->_rippedoff[i].hook(SP->_rippedoff[i].w, scolumns);
+    for (rop = ripoff_stack;
+	 rop != ripoff_sp && (rop - ripoff_stack) < N_RIPS;
+	 rop++) {
+
+	/* If we must simulate soft labels, grab off the line to be used.
+	   We assume that we must simulate, if it is none of the standard
+	   formats (4-4 or 3-2-3) for which there may be some hardware
+	   support. */
+	if (rop->hook == _nc_slk_initialize)
+	    if (!(num_labels <= 0 || !SLK_STDFMT(slk_format)))
+		continue;
+	if (rop->hook) {
+	    int count;
+	    WINDOW *w;
+
+	    count = (rop->line < 0) ? -rop->line : rop->line;
+	    T(("ripping off %i lines at %s", count,
+	       ((rop->line < 0)
+		? "bottom"
+		: "top")));
+
+	    w = newwin(count, scolumns,
+		       ((rop->line < 0)
+			? SP->_lines_avail - count
+			: 0),
+		       0);
+	    if (w)
+		rop->hook(w, scolumns);
 	    else
 		returnCode(ERR);
-	    if (rsp->line < 0)
+	    if (rop->line < 0)
 		bottom_stolen += count;
 	    else
 		SP->_topstolen += count;
 	    SP->_lines_avail -= count;
 	}
-	rsp->line = 0;
     }
-    SP->_rip_count = i;
     /* reset the stack */
-    rsp = rippedoff;
+    ripoff_sp = ripoff_stack;
 
     T(("creating stdscr"));
     assert((SP->_lines_avail + SP->_topstolen + bottom_stolen) == slines);
@@ -600,13 +606,14 @@ _nc_ripoffline(int line, int (*init) (WINDOW *, int))
 
     if (line != 0) {
 
-	if (rsp >= rippedoff + N_RIPS)
+	if (ripoff_sp == 0)
+	    ripoff_sp = ripoff_stack;
+	if (ripoff_sp >= ripoff_stack + N_RIPS)
 	    returnCode(ERR);
 
-	rsp->line = line;
-	rsp->hook = init;
-	rsp->w = 0;
-	rsp++;
+	ripoff_sp->line = line;
+	ripoff_sp->hook = init;
+	ripoff_sp++;
     }
 
     returnCode(OK);