[Emacs-diffs] Changes to emacs/src/term.c

[Miles Bader]

Index: emacs/src/term.c
diff -c emacs/src/term.c:1.139 emacs/src/term.c:1.140
*** emacs/src/term.c:1.139      Fri Apr 26 19:39:05 2002
--- emacs/src/term.c    Sun May 26 03:23:47 2002
***************
*** 1987,1992 ****
--- 1987,2017 ----
  }
    
      
+ /* Return non-zero if the terminal on frame F supports all of the
+    capabilities in CAPS simultaneously, with foreground and background
+    colors FG and BG.  */
+ 
+ int tty_capable_p (f, caps, fg, bg)
+      struct frame *f;
+      unsigned caps;
+      unsigned long fg, bg;
+ {
+ #define TTY_CAPABLE_P_TRY(cap, TS, NC_bit)                            \
+   if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(NC_bit)))    \
+     return 0;
+ 
+   TTY_CAPABLE_P_TRY (TTY_CAP_INVERSE, TS_standout_mode,        NC_REVERSE);
+   TTY_CAPABLE_P_TRY (TTY_CAP_UNDERLINE, TS_enter_underline_mode, 
NC_UNDERLINE);
+   TTY_CAPABLE_P_TRY (TTY_CAP_BOLD,    TS_enter_bold_mode,      NC_BOLD);
+   TTY_CAPABLE_P_TRY (TTY_CAP_DIM,     TS_enter_dim_mode,       NC_DIM);
+   TTY_CAPABLE_P_TRY (TTY_CAP_BLINK,   TS_enter_blink_mode,     NC_BLINK);
+   TTY_CAPABLE_P_TRY (TTY_CAP_ALT_CHARSET, TS_enter_alt_charset_mode, 
NC_ALT_CHARSET);
+ 
+   /* We can do it!  */
+   return 1;
+ }
+ 
+ 
  /* Return non-zero if the terminal is capable to display colors.  */
  
  DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p,