ncurses 6.1 - patch 20190623
[ncurses.git] / ncurses / tinfo / tinfo_driver.c
index c6a1c22b66bfefd90c3645d0f43efcef5c2e5dd6..c779c82044aa6472d8f5df772751ae792cdad529 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2008-2014,2015 Free Software Foundation, Inc.              *
+ * Copyright (c) 2008-2017,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
 
 /****************************************************************************
  *  Author: Juergen Pfeifer                                                 *
- *                                                                          *
+ *     and: Thomas E. Dickey                                                *
  ****************************************************************************/
 
 #include <curses.priv.h>
-#define CUR ((TERMINAL*)TCB)->type.
+#define CUR TerminalType((TERMINAL*)TCB).
 #include <tic.h>
+#include <termcap.h>           /* ospeed */
 
 #if HAVE_NANOSLEEP
 #include <time.h>
@@ -50,7 +51,7 @@
 # endif
 #endif
 
-MODULE_ID("$Id: tinfo_driver.c,v 1.40 2015/06/27 01:20:41 tom Exp $")
+MODULE_ID("$Id: tinfo_driver.c,v 1.63 2018/11/24 22:17:03 tom Exp $")
 
 /*
  * SCO defines TIOCGSIZE and the corresponding struct.  Other systems (SunOS,
@@ -113,6 +114,33 @@ drv_Name(TERMINAL_CONTROL_BLOCK * TCB)
     return "tinfo";
 }
 
+static void
+get_baudrate(TERMINAL *termp)
+{
+    int my_ospeed;
+    int result;
+    if (GET_TTY(termp->Filedes, &termp->Nttyb) == OK) {
+#ifdef TERMIOS
+       termp->Nttyb.c_oflag &= (unsigned) (~OFLAGS_TABS);
+#else
+       termp->Nttyb.sg_flags &= (unsigned) (~XTABS);
+#endif
+    }
+#ifdef USE_OLD_TTY
+    result = (int) cfgetospeed(&(termp->Nttyb));
+    my_ospeed = (NCURSES_OSPEED) _nc_ospeed(result);
+#else /* !USE_OLD_TTY */
+#ifdef TERMIOS
+    my_ospeed = (NCURSES_OSPEED) cfgetospeed(&(termp->Nttyb));
+#else
+    my_ospeed = (NCURSES_OSPEED) termp->Nttyb.sg_ospeed;
+#endif
+    result = _nc_baudrate(my_ospeed);
+#endif
+    termp->_baudrate = result;
+    ospeed = (NCURSES_OSPEED) my_ospeed;
+}
+
 #undef SETUP_FAIL
 #define SETUP_FAIL FALSE
 
@@ -125,7 +153,7 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
     SCREEN *sp;
 
     START_TRACE();
-    T((T_CALLED("tinfo::drv_CanHandle(%p)"), TCB));
+    T((T_CALLED("tinfo::drv_CanHandle(%p)"), (void *) TCB));
 
     assert(TCB != 0 && tname != 0);
     termp = (TERMINAL *) TCB;
@@ -133,17 +161,20 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
     TCB->magic = TCBMAGIC;
 
 #if (NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP)
-    status = _nc_setup_tinfo(tname, &termp->type);
+    status = _nc_setup_tinfo(tname, &TerminalType(termp));
+    T(("_nc_setup_tinfo returns %d", status));
 #else
+    T(("no database available"));
     status = TGETENT_NO;
 #endif
 
     /* try fallback list if entry on disk */
     if (status != TGETENT_YES) {
-       const TERMTYPE *fallback = _nc_fallback(tname);
+       const TERMTYPE2 *fallback = _nc_fallback2(tname);
 
        if (fallback) {
-           termp->type = *fallback;
+           T(("found fallback entry"));
+           TerminalType(termp) = *fallback;
            status = TGETENT_YES;
        }
     }
@@ -157,14 +188,34 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
        }
     }
     result = TRUE;
+#if NCURSES_EXT_NUMBERS
+    _nc_export_termtype2(&termp->type, &TerminalType(termp));
+#endif
 #if !USE_REENTRANT
-    strncpy(ttytype, termp->type.term_names, (size_t) NAMESIZE - 1);
-    ttytype[NAMESIZE - 1] = '\0';
+    save_ttytype(termp);
 #endif
 
     if (command_character)
        _nc_tinfo_cmdch(termp, *command_character);
 
+    /*
+     * If an application calls setupterm() rather than initscr() or
+     * newterm(), we will not have the def_prog_mode() call in
+     * _nc_setupscreen().  Do it now anyway, so we can initialize the
+     * baudrate.
+     */
+    if (sp == 0 && NC_ISATTY(termp->Filedes)) {
+       get_baudrate(termp);
+    }
+#if NCURSES_EXT_NUMBERS
+#define cleanup_termtype() \
+    _nc_free_termtype2(&TerminalType(termp)); \
+    _nc_free_termtype(&termp->type)
+#else
+#define cleanup_termtype() \
+    _nc_free_termtype2(&TerminalType(termp))
+#endif
+
     if (generic_type) {
        /*
         * BSD 4.3's termcap contains mis-typed "gn" for wy99.  Do a sanity
@@ -173,12 +224,15 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
        if ((VALID_STRING(cursor_address)
             || (VALID_STRING(cursor_down) && VALID_STRING(cursor_home)))
            && VALID_STRING(clear_screen)) {
+           cleanup_termtype();
            ret_error1(TGETENT_YES, "terminal is not really generic.\n", tname);
        } else {
+           cleanup_termtype();
            ret_error1(TGETENT_NO, "I need something more specific.\n", tname);
        }
     }
     if (hard_copy) {
+       cleanup_termtype();
        ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n", tname);
     }
 
@@ -261,8 +315,8 @@ drv_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB, int fg, int bg)
        sp->_has_sgr_39_49 = (NCURSES_SP_NAME(tigetflag) (NCURSES_SP_ARGx
                                                          "AX")
                              == TRUE);
-       sp->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : (fg & C_MASK);
-       sp->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : (bg & C_MASK);
+       sp->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : fg;
+       sp->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : bg;
        if (sp->_color_pairs != 0) {
            bool save = sp->_default_color;
            sp->_default_color = TRUE;
@@ -358,7 +412,7 @@ drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *linep, int *colp)
 
     if (sp) {
        useEnv = sp->_use_env;
-       useTioctl = sp->_use_tioctl;
+       useTioctl = sp->use_tioctl;
     } else {
        useEnv = _nc_prescreen.use_env;
        useTioctl = _nc_prescreen.use_tioctl;
@@ -749,9 +803,9 @@ drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
             NCURSES_SP_OUTC outc)
 {
     SCREEN *sp = TCB->csp;
-    NCURSES_COLOR_T fg = COLOR_DEFAULT;
-    NCURSES_COLOR_T bg = COLOR_DEFAULT;
-    NCURSES_COLOR_T old_fg, old_bg;
+    int fg = COLOR_DEFAULT;
+    int bg = COLOR_DEFAULT;
+    int old_fg, old_bg;
 
     AssertTCB();
     if (sp == 0)
@@ -766,19 +820,13 @@ drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
                                    TPARM_1(set_color_pair, pair), 1, outc);
            return;
        } else if (sp != 0) {
-           NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
-                                          (short) pair,
-                                          &fg,
-                                          &bg);
+           _nc_pair_content(SP_PARM, pair, &fg, &bg);
        }
     }
 
     if (old_pair >= 0
        && sp != 0
-       && NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
-                                         (short) old_pair,
-                                         &old_fg,
-                                         &old_bg) !=ERR) {
+       && _nc_pair_content(SP_PARM, old_pair, &old_fg, &old_bg) != ERR) {
        if ((isDefaultColor(fg) && !isDefaultColor(old_fg))
            || (isDefaultColor(bg) && !isDefaultColor(old_bg))) {
 #if NCURSES_EXT_FUNCS
@@ -807,13 +855,13 @@ drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
 
 #if NCURSES_EXT_FUNCS
     if (isDefaultColor(fg))
-       fg = (NCURSES_COLOR_T) default_fg(sp);
+       fg = default_fg(sp);
     if (isDefaultColor(bg))
-       bg = (NCURSES_COLOR_T) default_bg(sp);
+       bg = default_bg(sp);
 #endif
 
     if (reverse) {
-       NCURSES_COLOR_T xx = fg;
+       int xx = fg;
        fg = bg;
        bg = xx;
     }
@@ -849,12 +897,9 @@ drv_initmouse(TERMINAL_CONTROL_BLOCK * TCB)
 
     /* we know how to recognize mouse events under "xterm" */
     if (sp != 0) {
-       if (key_mouse != 0) {
-           if (!strcmp(key_mouse, xterm_kmous)
-               || strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
-               init_xterm_mouse(sp);
-           }
-       } else if (strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
+       if (NonEmpty(key_mouse)) {
+           init_xterm_mouse(sp);
+       } else if (strstr(SP_TERMTYPE term_names, "xterm") != 0) {
            if (_nc_add_to_try(&(sp->_keytry), xterm_kmous, KEY_MOUSE) == OK)
                init_xterm_mouse(sp);
        }
@@ -979,12 +1024,18 @@ drv_setfilter(TERMINAL_CONTROL_BLOCK * TCB)
 {
     AssertTCB();
 
-    clear_screen = 0;
-    cursor_down = parm_down_cursor = 0;
-    cursor_address = 0;
-    cursor_up = parm_up_cursor = 0;
-    row_address = 0;
-    cursor_home = carriage_return;
+    /* *INDENT-EQLS* */
+    clear_screen     = ABSENT_STRING;
+    cursor_address   = ABSENT_STRING;
+    cursor_down      = ABSENT_STRING;
+    cursor_up        = ABSENT_STRING;
+    parm_down_cursor = ABSENT_STRING;
+    parm_up_cursor   = ABSENT_STRING;
+    row_address      = ABSENT_STRING;
+    cursor_home      = carriage_return;
+
+    if (back_color_erase)
+       clr_eos = ABSENT_STRING;
 }
 
 static void
@@ -1031,8 +1082,13 @@ drv_initacs(TERMINAL_CONTROL_BLOCK * TCB, chtype *real_map, chtype *fake_map)
        while (i + 1 < length) {
            if (acs_chars[i] != 0 && UChar(acs_chars[i]) < ACS_LEN) {
                real_map[UChar(acs_chars[i])] = UChar(acs_chars[i + 1]) | A_ALTCHARSET;
-               if (sp != 0)
+               T(("#%d real_map[%s] = %s",
+                  (int) i,
+                  _tracechar(UChar(acs_chars[i])),
+                  _tracechtype(real_map[UChar(acs_chars[i])])));
+               if (sp != 0) {
                    sp->_screen_acs_map[UChar(acs_chars[i])] = TRUE;
+               }
            }
            i += 2;
        }
@@ -1062,7 +1118,6 @@ drv_initacs(TERMINAL_CONTROL_BLOCK * TCB, chtype *real_map, chtype *fake_map)
                   ? "DIFF"
                   : "SAME"),
                _nc_visbuf(show));
-
        _nc_unlock_global(tracef);
     }
 #endif /* TRACE */