ncurses 5.7 - patch 20090117

[ncurses.git] / ncurses / base / lib_set_term.c

diff --git a/ncurses/base/lib_set_term.c b/ncurses/base/lib_set_term.c
index 3f84706016318dd48686599e56c5f9514087e43f..aff432bb9fd1a3dc8fde612794d5fd9afae79dc1 100644 (file)
--- a/ncurses/base/lib_set_term.c
+++ b/ncurses/base/lib_set_term.c
@@ -44,28 +44,30 @@
 #include <term.h>              /* cur_term */
 #include <tic.h>
 
-MODULE_ID("$Id: lib_set_term.c,v 1.106 2008/03/29 22:47:24 tom Exp $")
+MODULE_ID("$Id: lib_set_term.c,v 1.117 2008/08/04 18:11:12 tom Exp $")
 
 NCURSES_EXPORT(SCREEN *)
 set_term(SCREEN *screenp)
 {
     SCREEN *oldSP;
+    SCREEN *newSP;
 
     T((T_CALLED("set_term(%p)"), screenp));
 
-    _nc_lock_global(set_SP);
+    _nc_lock_global(curses);
 
     oldSP = SP;
     _nc_set_screen(screenp);
+    newSP = SP;
 
-    if (SP != 0) {
-       set_curterm(SP->_term);
+    if (newSP != 0) {
+       set_curterm(newSP->_term);
 #if !USE_REENTRANT
-       curscr = SP->_curscr;
-       newscr = SP->_newscr;
-       stdscr = SP->_stdscr;
-       COLORS = SP->_color_count;
-       COLOR_PAIRS = SP->_pair_count;
+       curscr = newSP->_curscr;
+       newscr = newSP->_newscr;
+       stdscr = newSP->_stdscr;
+       COLORS = newSP->_color_count;
+       COLOR_PAIRS = newSP->_pair_count;
 #endif
     } else {
        set_curterm(0);
@@ -78,7 +80,7 @@ set_term(SCREEN *screenp)
 #endif
     }
 
-    _nc_unlock_global(set_SP);
+    _nc_unlock_global(curses);
 
     T((T_RETURN("%p"), oldSP));
     return (oldSP);
@@ -94,26 +96,39 @@ _nc_free_keytry(TRIES * kt)
     }
 }
 
+static bool
+delink_screen(SCREEN *sp)
+{
+    SCREEN *last = 0;
+    SCREEN *temp;
+    bool result = FALSE;
+
+    for (each_screen(temp)) {
+       if (temp == sp) {
+           if (last)
+               last = sp->_next_screen;
+           else
+               _nc_screen_chain = sp->_next_screen;
+           result = TRUE;
+           break;
+       }
+       last = temp;
+    }
+    return result;
+}
+
 /*
  * Free the storage associated with the given SCREEN sp.
  */
 NCURSES_EXPORT(void)
 delscreen(SCREEN *sp)
 {
-    SCREEN **scan = &_nc_screen_chain;
     int i;
 
     T((T_CALLED("delscreen(%p)"), sp));
 
-    if (sp != 0) {
-       _nc_lock_global(set_SP);
-       while (*scan) {
-           if (*scan == sp) {
-               *scan = sp->_next_screen;
-               break;
-           }
-           scan = &(*scan)->_next_screen;
-       }
+    _nc_lock_global(curses);
+    if (delink_screen(sp)) {
 
        (void) _nc_freewin(sp->_curscr);
        (void) _nc_freewin(sp->_newscr);
@@ -149,8 +164,6 @@ delscreen(SCREEN *sp)
        FreeIfNeeded(sp->_acs_map);
        FreeIfNeeded(sp->_screen_acs_map);
 
-       del_curterm(sp->_term);
-
        /*
         * If the associated output stream has been closed, we can discard the
         * set-buffer.  Limit the error check to EBADF, since fflush may fail
@@ -163,6 +176,7 @@ delscreen(SCREEN *sp)
            free(sp->_setbuf);
        }
 
+       del_curterm(sp->_term);
        free(sp);
 
        /*
@@ -180,8 +194,8 @@ delscreen(SCREEN *sp)
 #endif
            _nc_set_screen(0);
        }
-       _nc_unlock_global(set_SP);
     }
+    _nc_unlock_global(curses);
 
     returnVoid;
 }
@@ -199,7 +213,7 @@ no_mouse_inline(SCREEN *sp GCC_UNUSED)
 }
 
 static bool
-no_mouse_parse(int code GCC_UNUSED)
+no_mouse_parse(SCREEN *sp GCC_UNUSED, int code GCC_UNUSED)
 {
     return TRUE;
 }
@@ -267,7 +281,7 @@ _nc_setupscreen(int slines GCC_UNUSED,
     /*
      * We should always check the screensize, just in case.
      */
-    _nc_get_screensize(&slines, &scolumns);
+    _nc_get_screensize(SP, &slines, &scolumns);
     SET_LINES(slines);
     SET_COLS(scolumns);
     T((T_CREATE("screen %s %dx%d"), termname(), LINES, COLS));
@@ -308,11 +322,7 @@ _nc_setupscreen(int slines GCC_UNUSED,
     SP->_ofp = output;
     SP->_cursor = -1;          /* cannot know real cursor shape */
 
-#if NCURSES_NO_PADDING
-    SP->_no_padding = getenv("NCURSES_NO_PADDING") != 0;
-    TR(TRACE_CHARPUT | TRACE_MOVE, ("padding will%s be used",
-                                   SP->_no_padding ? " not" : ""));
-#endif
+    SetNoPadding(SP);
 
 #if NCURSES_EXT_FUNCS
     SP->_default_color = FALSE;
@@ -349,11 +359,10 @@ _nc_setupscreen(int slines GCC_UNUSED,
      * Allow those assumed/default color assumptions to be overridden at
      * runtime:
      */
-    if (getenv("NCURSES_ASSUMED_COLORS") != 0) {
-       char *p = getenv("NCURSES_ASSUMED_COLORS");
+    if ((env = getenv("NCURSES_ASSUMED_COLORS")) != 0) {
        int fg, bg;
        char sep1, sep2;
-       int count = sscanf(p, "%d%c%d%c", &fg, &sep1, &bg, &sep2);
+       int count = sscanf(env, "%d%c%d%c", &fg, &sep1, &bg, &sep2);
        if (count >= 1) {
            SP->_default_fg = (fg >= 0 && fg < max_colors) ? fg : C_MASK;
            if (count >= 3) {
@@ -409,11 +418,6 @@ _nc_setupscreen(int slines GCC_UNUSED,
     SP->_mouse_wrap = no_mouse_wrap;
     SP->_mouse_fd = -1;
 
-    /* initialize the panel hooks */
-    SP->_panelHook.top_panel = (struct panel *) 0;
-    SP->_panelHook.bottom_panel = (struct panel *) 0;
-    SP->_panelHook.stdscr_pseudo_panel = (struct panel *) 0;
-
     /*
      * If we've no magic cookie support, we suppress attributes that xmc would
      * affect, i.e., the attributes that affect the rendition of a space.
@@ -502,7 +506,7 @@ _nc_setupscreen(int slines GCC_UNUSED,
 
     /* initialize normal acs before wide, since we use mapping in the latter */
 #if !USE_WIDEC_SUPPORT
-    if (_nc_unicode_locale() && _nc_locale_breaks_acs()) {
+    if (_nc_unicode_locale() && _nc_locale_breaks_acs(cur_term)) {
        acs_chars = NULL;
        ena_acs = NULL;
        enter_alt_charset_mode = NULL;
@@ -514,7 +518,8 @@ _nc_setupscreen(int slines GCC_UNUSED,
 #if USE_WIDEC_SUPPORT
     _nc_init_wacs();
 
-    SP->_screen_acs_fix = (_nc_unicode_locale() && _nc_locale_breaks_acs());
+    SP->_screen_acs_fix = (_nc_unicode_locale()
+                          && _nc_locale_breaks_acs(cur_term));
 #endif
     env = _nc_get_locale();
     SP->_legacy_coding = ((env == 0)