/* Terminal control module for terminals described by TERMCAP
- Copyright (C) 1985, 86, 87, 93, 94, 95, 98, 2000, 2001
+ Copyright (C) 1985, 86, 87, 93, 94, 95, 98, 2000, 2001, 2002
Free Software Foundation, Inc.
This file is part of GNU Emacs.
#ifdef HAVE_X_WINDOWS
#include "xterm.h"
#endif
-#ifdef macintosh
+#ifdef MAC_OS
#include "macterm.h"
#endif
int max_frame_height;
-int costs_set = 0; /* Nonzero if costs have been calculated. */
+static int costs_set; /* Nonzero if costs have been calculated. */
int insert_mode; /* Nonzero when in insert mode. */
int standout_mode; /* Nonzero when in standout mode. */
struct glyph *src_start = src, *src_end = src + src_len;
unsigned char *dst_start = dst, *dst_end = dst + dst_len;
register GLYPH g;
- unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *buf;
+ unsigned char workbuf[MAX_MULTIBYTE_LENGTH];
+ const unsigned char *buf;
int len;
register int tlen = GLYPH_TABLE_LENGTH;
register Lisp_Object *tbase = GLYPH_TABLE_BASE;
static struct fkey_table keys[] =
{
- "kh", "home", /* termcap */
- "kl", "left", /* termcap */
- "ku", "up", /* termcap */
- "kr", "right", /* termcap */
- "kd", "down", /* termcap */
- "%8", "prior", /* terminfo */
- "%5", "next", /* terminfo */
- "@7", "end", /* terminfo */
- "@1", "begin", /* terminfo */
- "*6", "select", /* terminfo */
- "%9", "print", /* terminfo */
- "@4", "execute", /* terminfo --- actually the `command' key */
+ {"kh", "home"}, /* termcap */
+ {"kl", "left"}, /* termcap */
+ {"ku", "up"}, /* termcap */
+ {"kr", "right"}, /* termcap */
+ {"kd", "down"}, /* termcap */
+ {"%8", "prior"}, /* terminfo */
+ {"%5", "next"}, /* terminfo */
+ {"@7", "end"}, /* terminfo */
+ {"@1", "begin"}, /* terminfo */
+ {"*6", "select"}, /* terminfo */
+ {"%9", "print"}, /* terminfo */
+ {"@4", "execute"}, /* terminfo --- actually the `command' key */
/*
* "insert" --- see below
*/
- "&8", "undo", /* terminfo */
- "%0", "redo", /* terminfo */
- "%7", "menu", /* terminfo --- actually the `options' key */
- "@0", "find", /* terminfo */
- "@2", "cancel", /* terminfo */
- "%1", "help", /* terminfo */
+ {"&8", "undo"}, /* terminfo */
+ {"%0", "redo"}, /* terminfo */
+ {"%7", "menu"}, /* terminfo --- actually the `options' key */
+ {"@0", "find"}, /* terminfo */
+ {"@2", "cancel"}, /* terminfo */
+ {"%1", "help"}, /* terminfo */
/*
* "break" goes here, but can't be reliably intercepted with termcap
*/
- "&4", "reset", /* terminfo --- actually `restart' */
+ {"&4", "reset"}, /* terminfo --- actually `restart' */
/*
* "system" and "user" --- no termcaps
*/
- "kE", "clearline", /* terminfo */
- "kA", "insertline", /* terminfo */
- "kL", "deleteline", /* terminfo */
- "kI", "insertchar", /* terminfo */
- "kD", "deletechar", /* terminfo */
- "kB", "backtab", /* terminfo */
+ {"kE", "clearline"}, /* terminfo */
+ {"kA", "insertline"}, /* terminfo */
+ {"kL", "deleteline"}, /* terminfo */
+ {"kI", "insertchar"}, /* terminfo */
+ {"kD", "deletechar"}, /* terminfo */
+ {"kB", "backtab"}, /* terminfo */
/*
* "kp_backtab", "kp-space", "kp-tab" --- no termcaps
*/
- "@8", "kp-enter", /* terminfo */
+ {"@8", "kp-enter"}, /* terminfo */
/*
* "kp-f1", "kp-f2", "kp-f3" "kp-f4",
* "kp-multiply", "kp-add", "kp-separator",
* "kp-subtract", "kp-decimal", "kp-divide", "kp-0";
* --- no termcaps for any of these.
*/
- "K4", "kp-1", /* terminfo */
+ {"K4", "kp-1"}, /* terminfo */
/*
* "kp-2" --- no termcap
*/
- "K5", "kp-3", /* terminfo */
+ {"K5", "kp-3"}, /* terminfo */
/*
* "kp-4" --- no termcap
*/
- "K2", "kp-5", /* terminfo */
+ {"K2", "kp-5"}, /* terminfo */
/*
* "kp-6" --- no termcap
*/
- "K1", "kp-7", /* terminfo */
+ {"K1", "kp-7"}, /* terminfo */
/*
* "kp-8" --- no termcap
*/
- "K3", "kp-9", /* terminfo */
+ {"K3", "kp-9"}, /* terminfo */
/*
* "kp-equal" --- no termcap
*/
- "k1", "f1",
- "k2", "f2",
- "k3", "f3",
- "k4", "f4",
- "k5", "f5",
- "k6", "f6",
- "k7", "f7",
- "k8", "f8",
- "k9", "f9",
+ {"k1", "f1"},
+ {"k2", "f2"},
+ {"k3", "f3"},
+ {"k4", "f4"},
+ {"k5", "f5"},
+ {"k6", "f6"},
+ {"k7", "f7"},
+ {"k8", "f8"},
+ {"k9", "f9"}
};
static char **term_get_fkeys_arg;
if (k_semi)
{
+ if (k0)
+ /* Define f0 first, so that f10 takes precedence in case the
+ key sequences happens to be the same. */
+ Fdefine_key (Vfunction_key_map, build_string (k0),
+ Fmake_vector (make_number (1), intern ("f0")));
Fdefine_key (Vfunction_key_map, build_string (k_semi),
Fmake_vector (make_number (1), intern ("f10")));
- k0_name = "f0";
}
-
- if (k0)
+ else if (k0)
Fdefine_key (Vfunction_key_map, build_string (k0),
Fmake_vector (make_number (1), intern (k0_name)));
}
}
-/* Produce glyphs for the display element described by IT. The
- function fills output fields of IT with pixel information like the
- pixel width and height of a character, and maybe produces glyphs at
+/* Produce glyphs for the display element described by IT. *IT
+ specifies what we want to produce a glyph for (character, image, ...),
+ and where in the glyph matrix we currently are (glyph row and hpos).
+ produce_glyphs fills in output fields of *IT with information such as the
+ pixel width and height of a character, and maybe output actual glyphs at
the same time if IT->glyph_row is non-null. See the explanation of
- struct display_iterator in dispextern.h for an overview. */
+ struct display_iterator in dispextern.h for an overview.
+
+ produce_glyphs also stores the result of glyph width, ascent
+ etc. computations in *IT.
+
+ IT->glyph_row may be null, in which case produce_glyphs does not
+ actually fill in the glyphs. This is used in the move_* functions
+ in xdisp.c for text width and height computations.
+
+ Callers usually don't call produce_glyphs directly;
+ instead they use the macro PRODUCE_GLYPHS. */
void
produce_glyphs (it)
}
+/* 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,
0, 1, 0,
- doc: /* Return non-nil if TTY can display colors on FRAME. */)
- (frame)
- Lisp_Object frame;
+ doc: /* Return non-nil if TTY can display colors on DISPLAY. */)
+ (display)
+ Lisp_Object display;
{
return TN_max_colors > 0 ? Qt : Qnil;
}
+/* Return the number of supported colors. */
+DEFUN ("tty-display-color-cells", Ftty_display_color_cells,
+ Stty_display_color_cells, 0, 1, 0,
+ doc: /* Return the number of colors supported by TTY on DISPLAY. */)
+ (display)
+ Lisp_Object display;
+{
+ return make_number (TN_max_colors);
+}
+
+#ifndef WINDOWSNT
+/* Save or restore the default color-related capabilities of this
+ terminal. */
+static void
+tty_default_color_capabilities (save)
+ int save;
+{
+ static char
+ *default_orig_pair, *default_set_foreground, *default_set_background;
+ static int default_max_colors, default_max_pairs, default_no_color_video;
+
+ if (save)
+ {
+ if (default_orig_pair)
+ xfree (default_orig_pair);
+ default_orig_pair = TS_orig_pair ? xstrdup (TS_orig_pair) : NULL;
+
+ if (default_set_foreground)
+ xfree (default_set_foreground);
+ default_set_foreground = TS_set_foreground ? xstrdup (TS_set_foreground)
+ : NULL;
+
+ if (default_set_background)
+ xfree (default_set_background);
+ default_set_background = TS_set_background ? xstrdup (TS_set_background)
+ : NULL;
+
+ default_max_colors = TN_max_colors;
+ default_max_pairs = TN_max_pairs;
+ default_no_color_video = TN_no_color_video;
+ }
+ else
+ {
+ TS_orig_pair = default_orig_pair;
+ TS_set_foreground = default_set_foreground;
+ TS_set_background = default_set_background;
+ TN_max_colors = default_max_colors;
+ TN_max_pairs = default_max_pairs;
+ TN_no_color_video = default_no_color_video;
+ }
+}
+
+/* Setup one of the standard tty color schemes according to MODE.
+ MODE's value is generally the number of colors which we want to
+ support; zero means set up for the default capabilities, the ones
+ we saw at term_init time; -1 means turn off color support. */
+void
+tty_setup_colors (mode)
+ int mode;
+{
+ switch (mode)
+ {
+ case -1: /* no colors at all */
+ TN_max_colors = 0;
+ TN_max_pairs = 0;
+ TN_no_color_video = 0;
+ TS_set_foreground = TS_set_background = TS_orig_pair = NULL;
+ break;
+ case 0: /* default colors, if any */
+ default:
+ tty_default_color_capabilities (0);
+ break;
+ case 8: /* 8 standard ANSI colors */
+ TS_orig_pair = "\033[0m";
+#ifdef TERMINFO
+ TS_set_foreground = "\033[3%p1%dm";
+ TS_set_background = "\033[4%p1%dm";
+#else
+ TS_set_foreground = "\033[3%dm";
+ TS_set_background = "\033[4%dm";
+#endif
+ TN_max_colors = 8;
+ TN_max_pairs = 64;
+ TN_no_color_video = 0;
+ break;
+ }
+}
+
+void
+set_tty_color_mode (f, val)
+ struct frame *f;
+ Lisp_Object val;
+{
+ Lisp_Object color_mode_spec, current_mode_spec;
+ Lisp_Object color_mode, current_mode;
+ int mode, old_mode;
+ extern Lisp_Object Qtty_color_mode;
+ Lisp_Object tty_color_mode_alist;
+
+ tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"),
+ Qnil);
+
+ if (NATNUMP (val))
+ color_mode = val;
+ else
+ {
+ if (NILP (tty_color_mode_alist))
+ color_mode_spec = Qnil;
+ else
+ color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value);
+ current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist);
+
+ if (CONSP (color_mode_spec))
+ color_mode = XCDR (color_mode_spec);
+ else
+ color_mode = Qnil;
+ }
+ if (CONSP (current_mode_spec))
+ current_mode = XCDR (current_mode_spec);
+ else
+ current_mode = Qnil;
+ if (NATNUMP (color_mode))
+ mode = XINT (color_mode);
+ else
+ mode = 0; /* meaning default */
+ if (NATNUMP (current_mode))
+ old_mode = XINT (current_mode);
+ else
+ old_mode = 0;
+
+ if (mode != old_mode)
+ {
+ tty_setup_colors (mode);
+ /* This recomputes all the faces given the new color
+ definitions. */
+ call0 (intern ("tty-set-up-initial-frame-faces"));
+ redraw_frame (f);
+ }
+}
+
+#endif /* !WINDOWSNT */
\f
/***********************************************************************
TN_no_color_video = 0;
}
+ tty_default_color_capabilities (1);
+
MagicWrap = tgetflag ("xn");
/* Since we make MagicWrap terminals look like AutoWrap, we need to have
the former flag imply the latter. */
Vring_bell_function = Qnil;
defsubr (&Stty_display_color_p);
+ defsubr (&Stty_display_color_cells);
}
HCoop / bpt / emacs.git / blobdiff