ncurses 6.5 - patch 20240504

[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 b900a68e320805e49bda1db8d1c92e61a990368c..78de859208b6b1d0c8639d1efa279dbfc342b70e 100644 (file)
--- a/ncurses/base/lib_set_term.c
+++ b/ncurses/base/lib_set_term.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2018,2020 Thomas E. Dickey                                     *
+ * Copyright 2018-2021,2022 Thomas E. Dickey                                *
  * Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -41,13 +41,23 @@
 **
 */
 
+#define NEW_PAIR_INTERNAL 1
+
 #include <curses.priv.h>
 #include <tic.h>
+#include <new_pair.h>
+
+#if USE_GPM_SUPPORT
+#ifdef HAVE_LIBDL
+/* use dynamic loader to avoid linkage dependency */
+#include <dlfcn.h>
+#endif
+#endif
 
 #undef CUR
 #define CUR SP_TERMTYPE
 
-MODULE_ID("$Id: lib_set_term.c,v 1.171 2020/05/23 19:13:12 tom Exp $")
+MODULE_ID("$Id: lib_set_term.c,v 1.184 2022/12/10 21:34:12 tom Exp $")
 
 #ifdef USE_TERM_DRIVER
 #define MaxColors      InfoOf(sp).maxcolors
@@ -139,9 +149,12 @@ delscreen(SCREEN *sp)
 
     _nc_lock_global(curses);
     if (delink_screen(sp)) {
+       WINDOWLIST *wl;
+       bool is_current = (sp == CURRENT_SCREEN);
+
 #ifdef USE_SP_RIPOFF
-       ripoff_t *rop;
        if (safe_ripoff_sp && safe_ripoff_sp != safe_ripoff_stack) {
+           ripoff_t *rop;
            for (rop = safe_ripoff_stack;
                 rop != safe_ripoff_sp && (rop - safe_ripoff_stack) < N_RIPS;
                 rop++) {
@@ -153,9 +166,13 @@ delscreen(SCREEN *sp)
        }
 #endif
 
-       (void) _nc_freewin(CurScreen(sp));
-       (void) _nc_freewin(NewScreen(sp));
-       (void) _nc_freewin(StdScreen(sp));
+       /* delete all of the windows in this screen */
+      rescan:
+       for (each_window(sp, wl)) {
+           if (_nc_freewin(&(wl->win)) == OK) {
+               goto rescan;
+           }
+       }
 
        if (sp->_slk != 0) {
 
@@ -180,6 +197,7 @@ delscreen(SCREEN *sp)
 
        FreeIfNeeded(sp->_current_attr);
 
+       _nc_free_ordered_pairs(sp);
        FreeIfNeeded(sp->_color_table);
        FreeIfNeeded(sp->_color_pairs);
 
@@ -197,6 +215,14 @@ delscreen(SCREEN *sp)
        if (_nc_find_prescr() == sp) {
            _nc_forget_prescr();
        }
+#if USE_GPM_SUPPORT
+#ifdef HAVE_LIBDL
+       if (sp->_dlopen_gpm != 0) {
+           dlclose(sp->_dlopen_gpm);
+           sp->_dlopen_gpm = 0;
+       }
+#endif
+#endif /* USE_GPM_SUPPORT */
        free(sp);
 
        /*
@@ -204,7 +230,7 @@ delscreen(SCREEN *sp)
         * application might try to use (except cur_term, which may have
         * multiple references in different screens).
         */
-       if (sp == CURRENT_SCREEN) {
+       if (is_current) {
 #if !USE_REENTRANT
            curscr = 0;
            newscr = 0;
@@ -219,6 +245,8 @@ delscreen(SCREEN *sp)
                _nc_wacs = 0;
            }
 #endif
+       } else {
+           set_term(CURRENT_SCREEN);
        }
     }
     _nc_unlock_global(curses);
@@ -314,9 +342,14 @@ NCURSES_SP_NAME(_nc_setupscreen) (
        T(("_nc_alloc_screen_sp %p", (void *) sp));
        *spp = sp;
     }
-    if (!sp
-       || ((sp->_acs_map = typeCalloc(chtype, ACS_LEN)) == 0)
-       || ((sp->_screen_acs_map = typeCalloc(bool, ACS_LEN)) == 0)) {
+    if (sp == NULL) {
+       ReturnScreenError();
+    }
+    if ((sp->_acs_map = typeCalloc(chtype, ACS_LEN)) == NULL) {
+       ReturnScreenError();
+    }
+    if ((sp->_screen_acs_map = typeCalloc(bool, ACS_LEN)) == NULL) {
+       free(sp->_acs_map);
        ReturnScreenError();
     }
 
@@ -392,7 +425,11 @@ NCURSES_SP_NAME(_nc_setupscreen) (
     fflush(output);
     setmode(output, O_BINARY);
 #endif
-    NCURSES_SP_NAME(_nc_set_buffer) (NCURSES_SP_ARGx output, TRUE);
+#if defined(EXP_WIN32_DRIVER)
+    T(("setting output mode to binary"));
+    fflush(output);
+    _setmode(fileno(output), _O_BINARY);
+#endif
     sp->_lines = (NCURSES_SIZE_T) slines;
     sp->_lines_avail = (NCURSES_SIZE_T) slines;
     sp->_columns = (NCURSES_SIZE_T) scolumns;
@@ -400,6 +437,10 @@ NCURSES_SP_NAME(_nc_setupscreen) (
     fflush(output);
     sp->_ofd = output ? fileno(output) : -1;
     sp->_ofp = output;
+#if defined(EXP_WIN32_DRIVER)
+    if (output)
+       _setmode(fileno(output), _O_BINARY);
+#endif
     sp->out_limit = (size_t) ((2 + slines) * (6 + scolumns));
     if ((sp->out_buffer = malloc(sp->out_limit)) == 0)
        sp->out_limit = 0;
@@ -471,7 +512,7 @@ NCURSES_SP_NAME(_nc_setupscreen) (
        p = extract_fgbg(p, &(sp->_default_fg));
        p = extract_fgbg(p, &(sp->_default_bg));
        if (*p)                 /* assume rxvt was compiled with xpm support */
-           p = extract_fgbg(p, &(sp->_default_bg));
+           extract_fgbg(p, &(sp->_default_bg));
        TR(TRACE_CHARPUT | TRACE_MOVE, ("decoded fg=%d, bg=%d",
                                        sp->_default_fg, sp->_default_bg));
        if (sp->_default_fg >= MaxColors) {
@@ -668,6 +709,9 @@ NCURSES_SP_NAME(_nc_setupscreen) (
               formats (4-4 or 3-2-3) for which there may be some hardware
               support. */
            if (rop->hook == _nc_slk_initialize) {
+               if (!TerminalOf(sp)) {
+                   continue;
+               }
                if (!(NumLabels <= 0 || !SLK_STDFMT(slk_format))) {
                    continue;
                }
@@ -707,6 +751,7 @@ NCURSES_SP_NAME(_nc_setupscreen) (
     }
 
     T(("creating stdscr"));
+    (void) bottom_stolen;
     assert((sp->_lines_avail + sp->_topstolen + bottom_stolen) == slines);
     if ((StdScreen(sp) = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx
                                                  sp->_lines_avail,
@@ -788,10 +833,13 @@ NCURSES_EXPORT(int)
 _nc_ripoffline(int line, int (*init) (WINDOW *, int))
 {
     int rc;
+
+    _nc_init_pthreads();
     _nc_lock_global(prescreen);
     START_TRACE();
     rc = NCURSES_SP_NAME(_nc_ripoffline) (CURRENT_SCREEN_PRE, line, init);
     _nc_unlock_global(prescreen);
+
     return rc;
 }
 #endif
@@ -812,10 +860,13 @@ NCURSES_EXPORT(int)
 ripoffline(int line, int (*init) (WINDOW *, int))
 {
     int rc;
+
+    _nc_init_pthreads();
     _nc_lock_global(prescreen);
     START_TRACE();
     rc = NCURSES_SP_NAME(ripoffline) (CURRENT_SCREEN_PRE, line, init);
     _nc_unlock_global(prescreen);
+
     return rc;
 }
 #endif