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-rw-r--r--lisp/ChangeLog6
-rw-r--r--lisp/faces.el21
-rw-r--r--src/ChangeLog43
-rw-r--r--src/dispextern.h8
-rw-r--r--src/dispnew.c4
-rw-r--r--src/dosfns.c18
-rw-r--r--src/msdos.c8
-rw-r--r--src/term.c14
-rw-r--r--src/xfaces.c82
9 files changed, 167 insertions, 37 deletions
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 40e6d0ccb8..799ed3b55b 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,9 @@
+1999-12-15 Eli Zaretskii <[email protected]>
+
+ * faces.el (face-read-integer, read-face-attribute)
+ (color-defined-p, color-values): Allow color values unspecified-fg
+ and unspecified-bg, handle them as unspecified.
+
1999-12-15 Kenichi Handa <[email protected]>
The following changes are for the new composition mechanism. We
diff --git a/lisp/faces.el b/lisp/faces.el
index 80ed7fc12a..f4e071222d 100644
--- a/lisp/faces.el
+++ b/lisp/faces.el
@@ -827,12 +827,14 @@ value to return if no new value is entered. NAME is a descriptive
name of the attribute for prompting. Value is the new attribute value."
(let ((new-value
(face-read-string face
- (if (eq default 'unspecified)
- 'unspecified
+ (if (memq
+ default
+ '(unspecified unspecified-fg unspecified-bg))
+ default
(int-to-string default))
name
(list (cons "unspecified" 'unspecified)))))
- (if (eq new-value 'unspecified)
+ (if (memq new-value '(unspecified unspecified-fg unspecified-bg))
new-value
(string-to-int new-value))))
@@ -862,7 +864,8 @@ of a global face. Value is the new attribute value."
;; in tty-colors.el.
(if (and (memq attribute '(:foreground :background))
(not (memq window-system '(x w32 mac)))
- (not (eq new-value 'unspecified)))
+ (not (memq new-value
+ '(unspecified unspecified-fg unspecified-bg))))
(setq new-value (car (tty-color-desc new-value))))
(unless (eq new-value 'unspecified)
(setq new-value (cdr (assoc new-value valid)))))
@@ -1164,8 +1167,9 @@ If FRAME doesn't support colors, the value is nil."
(defun color-defined-p (color &optional frame)
"Return non-nil if color COLOR is supported on frame FRAME.
If FRAME is omitted or nil, use the selected frame.
-If COLOR is the symbol `unspecified', the value is nil."
- (if (eq color 'unspecified)
+If COLOR is one of the symbols `unspecified', `unspecified-fg', or
+`unspecified-bg', the value is nil."
+ (if (memq color '(unspecified unspecified-bg unspecified-fg))
nil
(if (memq (framep (or frame (selected-frame))) '(x w32))
(xw-color-defined-p color frame)
@@ -1179,8 +1183,9 @@ These values appear to range from 0 to 65280 or 65535, depending
on the system; white is \(65280 65280 65280\) or \(65535 65535 65535\).
If FRAME is omitted or nil, use the selected frame.
If FRAME cannot display COLOR, the value is nil.
-If COLOR is the symbol `unspecified', the value is nil."
- (if (eq color 'unspecified)
+If COLOR is one of the symbols `unspecified', `unspecified-fg', or
+`unspecified-bg', the value is nil."
+ (if (memq color '(unspecified unspecified-fg unspecified-bg))
nil
(if (memq (framep (or frame (selected-frame))) '(x w32))
(xw-color-values color frame)
diff --git a/src/ChangeLog b/src/ChangeLog
index df9ad9937c..97ffe12775 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,46 @@
+1999-12-15 Eli Zaretskii <[email protected]>
+
+ * dispextern.h (FACE_TTY_DEFAULT_FG_COLOR)
+ (FACE_TTY_DEFAULT_BG_COLOR): New macros.
+
+ * xfaces.c (Qunspecified_fg, Qunspecified_bg): New variables.
+ (syms_of_xfaces): Initialize and staticpro them.
+ (tty_defined_color): If the color name is unspecified-fg or
+ unspecified-bg, return FACE_TTY_DEFAULT_FG_COLOR and
+ FACE_TTY_DEFAULT_BG_COLOR, respectively, as the pixel value.
+ (tty_color_name): If the color pixel value is either
+ FACE_TTY_DEFAULT_FG_COLOR or FACE_TTY_DEFAULT_BG_COLOR, return
+ Qunspecified_fg or Qunspecified_bg, respectively.
+ (Finternal_set_lisp_face_attribute): Allow values Qunspecified_fg
+ and Qunspecified_bg for foreground and background colors.
+ (realize_default_face): If the foreground and background colors
+ are not specified, default to Qunspecified_fg and Qunspecified_bg.
+ (realize_tty_face): By default, set the face colors to
+ FACE_TTY_DEFAULT_FG_COLOR and FACE_TTY_DEFAULT_BG_COLOR.
+ [MSDOS]: Handle FACE_TTY_DEFAULT_FG_COLOR and
+ FACE_TTY_DEFAULT_BG_COLOR when face colors are not defined.
+ Reverse the colors if the default colors were reversed.
+
+ * dispnew.c (init_display): Initialize the frame pixels of the
+ initial frame to FACE_TTY_DEFAULT_FG_COLOR and
+ FACE_TTY_DEFAULT_BG_COLOR.
+
+ * term.c (turn_on_face): If the default fore- and background
+ colors are reversed, enter inverse video mode. Don't send color
+ escape sequences for unspecified foreground and background colors.
+ (turn_off_face): Handle unspecified-fg and unspecified-bg colors.
+
+ * dosfns.c (unspecified_colors): New variable.
+ (msdos_stdcolor_idx): Handle unspecified-fg and unspecified-bg
+ color names, return FACE_TTY_DEFAULT_FG_COLOR and
+ FACE_TTY_DEFAULT_BG_COLOR, respectively.
+ (msdos_stdcolor_name): Handle FACE_TTY_DEFAULT_FG_COLOR and
+ FACE_TTY_DEFAULT_BG_COLOR, return Qunspecified_fg and
+ Qunspecified_bg, respectively.
+
+ * msdos.c (IT_set_face): Support FACE_TTY_DEFAULT_FG_COLOR and
+ FACE_TTY_DEFAULT_BG_COLOR as pixel values.
+
1999-12-15 Kenichi Handa <[email protected]>
* coding.c (code_convert_region): Fix the secoding arg to
diff --git a/src/dispextern.h b/src/dispextern.h
index edd9a7c97b..eadf745d40 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -1268,6 +1268,14 @@ struct face
#define FACE_TTY_DEFAULT_COLOR ((unsigned long) -1)
+/* Color index indicating that face uses an unknown foreground color. */
+
+#define FACE_TTY_DEFAULT_FG_COLOR ((unsigned long) -2)
+
+/* Color index indicating that face uses an unsigned background color. */
+
+#define FACE_TTY_DEFAULT_BG_COLOR ((unsigned long) -3)
+
/* Non-zero if FACE was realized for unibyte use. */
#define FACE_UNIBYTE_P(FACE) ((FACE)->charset < 0)
diff --git a/src/dispnew.c b/src/dispnew.c
index 8ce4e41956..930e7a793d 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -5925,8 +5925,8 @@ For types not defined in VMS, use define emacs_term \"TYPE\".\n\
are the foreground and background colors of the terminal. */
struct frame *sf = SELECTED_FRAME();
- FRAME_FOREGROUND_PIXEL (sf) = -1;
- FRAME_BACKGROUND_PIXEL (sf) = -1;
+ FRAME_FOREGROUND_PIXEL (sf) = FACE_TTY_DEFAULT_FG_COLOR;
+ FRAME_BACKGROUND_PIXEL (sf) = FACE_TTY_DEFAULT_BG_COLOR;
call0 (intern ("tty-set-up-initial-frame-faces"));
}
}
diff --git a/src/dosfns.c b/src/dosfns.c
index 857d16bd9b..feb9080b7c 100644
--- a/src/dosfns.c
+++ b/src/dosfns.c
@@ -409,6 +409,10 @@ static char *vga_colors[16] = {
"lightred", "lightmagenta", "yellow", "white"
};
+static char *unspecified_colors[] = {
+ "unspecified-fg", "unspecified-bg", "unspecified"
+};
+
/* Given a color name, return its index, or -1 if not found. Note
that this only performs case-insensitive comparison against the
standard names. For anything more sophisticated, like matching
@@ -424,17 +428,25 @@ msdos_stdcolor_idx (const char *name)
if (strcasecmp (name, vga_colors[i]) == 0)
return i;
- return FACE_TTY_DEFAULT_COLOR;
+ return
+ strcmp (name, unspecified_colors[0]) == 0 ? FACE_TTY_DEFAULT_FG_COLOR
+ : strcmp (name, unspecified_colors[1]) == 0 ? FACE_TTY_DEFAULT_BG_COLOR
+ : FACE_TTY_DEFAULT_COLOR;
}
/* Given a color index, return its standard name. */
Lisp_Object
msdos_stdcolor_name (int idx)
{
- extern Lisp_Object Qunspecified;
+ extern Lisp_Object Qunspecified, Qunspecified_fg, Qunspecified_bg;
if (idx < 0 || idx >= sizeof (vga_colors) / sizeof (vga_colors[0]))
- return Qunspecified; /* meaning the default */
+ {
+ return
+ idx == FACE_TTY_DEFAULT_FG_COLOR ? Qunspecified_fg
+ : idx == FACE_TTY_DEFAULT_BG_COLOR ? Qunspecified_bg
+ : Qunspecified; /* meaning the default */
+ }
return build_string (vga_colors[idx]);
}
diff --git a/src/msdos.c b/src/msdos.c
index 450d1273c0..1856b6ed65 100644
--- a/src/msdos.c
+++ b/src/msdos.c
@@ -685,12 +685,16 @@ IT_set_face (int face)
all 16 colors to be available for the background, since Emacs
switches on this mode (and loses the blinking attribute) at
startup. */
- if (fg == (unsigned long)-1)
+ if (fg == FACE_TTY_DEFAULT_COLOR || fg == FACE_TTY_DEFAULT_FG_COLOR)
fg = highlight || fp->tty_reverse_p ? FRAME_BACKGROUND_PIXEL (sf)
: FRAME_FOREGROUND_PIXEL (sf);
- if (bg == (unsigned long)-1)
+ else if (fg == FACE_TTY_DEFAULT_BG_COLOR)
+ fg = highlight ? FRAME_FOREGROUND_PIXEL (sf) : FRAME_BACKGROUND_PIXEL (sf);
+ if (bg == FACE_TTY_DEFAULT_COLOR || fg == FACE_TTY_DEFAULT_BG_COLOR)
bg = highlight || fp->tty_reverse_p ? FRAME_FOREGROUND_PIXEL (sf)
: FRAME_BACKGROUND_PIXEL (sf);
+ else if (bg == FACE_TTY_DEFAULT_FG_COLOR)
+ fg = highlight ? FRAME_BACKGROUND_PIXEL (sf) : FRAME_FOREGROUND_PIXEL (sf);
if (termscript)
fprintf (termscript, "<FACE %d%s: %d/%d>",
face, highlight ? "H" : "", fp->foreground, fp->background);
diff --git a/src/term.c b/src/term.c
index 7900643dfd..04f7a64866 100644
--- a/src/term.c
+++ b/src/term.c
@@ -1959,7 +1959,9 @@ turn_on_face (f, face_id)
&& TN_magic_cookie_glitch_ul <= 0)
OUTPUT1_IF (TS_enter_underline_mode);
- if (face->tty_reverse_p)
+ if (face->tty_reverse_p
+ || face->foreground == FACE_TTY_DEFAULT_BG_COLOR
+ || face->background == FACE_TTY_DEFAULT_FG_COLOR)
OUTPUT1_IF (TS_enter_reverse_mode);
if (TN_max_colors > 0)
@@ -1967,6 +1969,8 @@ turn_on_face (f, face_id)
char *p;
if (face->foreground != FACE_TTY_DEFAULT_COLOR
+ && face->foreground != FACE_TTY_DEFAULT_FG_COLOR
+ && face->foreground != FACE_TTY_DEFAULT_BG_COLOR
&& TS_set_foreground)
{
p = tparam (TS_set_foreground, NULL, 0, (int) face->foreground);
@@ -1975,6 +1979,8 @@ turn_on_face (f, face_id)
}
if (face->background != FACE_TTY_DEFAULT_COLOR
+ && face->background != FACE_TTY_DEFAULT_BG_COLOR
+ && face->background != FACE_TTY_DEFAULT_FG_COLOR
&& TS_set_background)
{
p = tparam (TS_set_background, NULL, 0, (int) face->background);
@@ -2027,8 +2033,10 @@ turn_off_face (f, face_id)
/* Switch back to default colors. */
if (TN_max_colors > 0
- && (face->foreground != FACE_TTY_DEFAULT_COLOR
- || face->background != FACE_TTY_DEFAULT_COLOR))
+ && ((face->foreground != FACE_TTY_DEFAULT_COLOR
+ && face->foreground != FACE_TTY_DEFAULT_FG_COLOR)
+ || (face->background != FACE_TTY_DEFAULT_COLOR
+ && face->background != FACE_TTY_DEFAULT_BG_COLOR)))
OUTPUT1_IF (TS_orig_pair);
}
diff --git a/src/xfaces.c b/src/xfaces.c
index 5fdb881bfc..dd51df034a 100644
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -282,7 +282,7 @@ Lisp_Object Qsemi_condensed, Qsemi_expanded, Qexpanded, Qextra_expanded;
Lisp_Object Qultra_expanded;
Lisp_Object Qreleased_button, Qpressed_button;
Lisp_Object QCstyle, QCcolor, QCline_width;
-Lisp_Object Qunspecified;
+Lisp_Object Qunspecified, Qunspecified_fg, Qunspecified_bg;
/* The symbol `x-charset-registry'. This property of charsets defines
the X registry and encoding that fonts should have that are used to
@@ -1108,6 +1108,14 @@ tty_defined_color (f, color_name, color_def, alloc)
load color" messages in the *Messages* buffer. */
status = 1;
}
+ if (color_idx == FACE_TTY_DEFAULT_COLOR && *color_name)
+ {
+ if (strcmp (color_name, "unspecified-fg") == 0)
+ color_idx = FACE_TTY_DEFAULT_FG_COLOR;
+ else if (strcmp (color_name, "unspecified-bg") == 0)
+ color_idx = FACE_TTY_DEFAULT_BG_COLOR;
+ }
+
color_def->pixel = (unsigned long) color_idx;
color_def->red = red;
color_def->green = green;
@@ -1179,7 +1187,10 @@ tty_color_name (f, idx)
by index using the default color mapping on a Windows console. */
#endif
- return Qunspecified;
+ return
+ idx == FACE_TTY_DEFAULT_FG_COLOR ? Qunspecified_fg
+ : idx == FACE_TTY_DEFAULT_BG_COLOR ? Qunspecified_bg
+ : Qunspecified;
}
/* Return non-zero if COLOR_NAME is a shade of gray (or white or
@@ -3427,7 +3438,8 @@ frame.")
}
else if (EQ (attr, QCforeground))
{
- if (!UNSPECIFIEDP (value))
+ if (!UNSPECIFIEDP (value)
+ && !EQ (value, Qunspecified_fg) && !EQ (value, Qunspecified_bg))
{
/* Don't check for valid color names here because it depends
on the frame (display) whether the color will be valid
@@ -3441,7 +3453,8 @@ frame.")
}
else if (EQ (attr, QCbackground))
{
- if (!UNSPECIFIEDP (value))
+ if (!UNSPECIFIEDP (value)
+ && !EQ (value, Qunspecified_bg) && !EQ (value, Qunspecified_fg))
{
/* Don't check for valid color names here because it depends
on the frame (display) whether the color will be valid
@@ -5686,7 +5699,9 @@ realize_default_face (f)
LFACE_FOREGROUND (lface) = XCDR (color);
else if (FRAME_X_P (f))
return 0;
- else if (!FRAME_TERMCAP_P (f) && !FRAME_MSDOS_P (f))
+ else if (FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f))
+ LFACE_FOREGROUND (lface) = Qunspecified_fg;
+ else
abort ();
}
@@ -5699,7 +5714,9 @@ realize_default_face (f)
LFACE_BACKGROUND (lface) = XCDR (color);
else if (FRAME_X_P (f))
return 0;
- else if (!FRAME_TERMCAP_P (f) && !FRAME_MSDOS_P (f))
+ else if (FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f))
+ LFACE_BACKGROUND (lface) = Qunspecified_bg;
+ else
abort ();
}
@@ -6072,7 +6089,8 @@ realize_tty_face (c, attrs, charset)
face->tty_reverse_p = 1;
/* Map color names to color indices. */
- face->foreground = face->background = FACE_TTY_DEFAULT_COLOR;
+ face->foreground = FACE_TTY_DEFAULT_FG_COLOR;
+ face->background = FACE_TTY_DEFAULT_BG_COLOR;
color = attrs[LFACE_FOREGROUND_INDEX];
if (STRINGP (color)
@@ -6084,7 +6102,7 @@ realize_tty_face (c, attrs, charset)
(NAME INDEX R G B). We need the INDEX part. */
face->foreground = XINT (XCAR (XCDR (color)));
- if (face->foreground == FACE_TTY_DEFAULT_COLOR
+ if (face->foreground == FACE_TTY_DEFAULT_FG_COLOR
&& STRINGP (attrs[LFACE_FOREGROUND_INDEX]))
{
face->foreground = load_color (c->f, face,
@@ -6093,12 +6111,23 @@ realize_tty_face (c, attrs, charset)
#ifdef MSDOS
/* If the foreground of the default face is the default color,
use the foreground color defined by the frame. */
- if (FRAME_MSDOS_P (c->f) && face->foreground == FACE_TTY_DEFAULT_COLOR)
+ if (FRAME_MSDOS_P (c->f))
{
- face->foreground = FRAME_FOREGROUND_PIXEL (f);
- attrs[LFACE_FOREGROUND_INDEX] =
- msdos_stdcolor_name (face->foreground);
- face_colors_defaulted = 1;
+ if (face->foreground == FACE_TTY_DEFAULT_FG_COLOR
+ || face->foreground == FACE_TTY_DEFAULT_COLOR)
+ {
+ face->foreground = FRAME_FOREGROUND_PIXEL (f);
+ attrs[LFACE_FOREGROUND_INDEX] =
+ msdos_stdcolor_name (face->foreground);
+ face_colors_defaulted = 1;
+ }
+ else if (face->foreground == FACE_TTY_DEFAULT_BG_COLOR)
+ {
+ face->foreground = FRAME_BACKGROUND_PIXEL (f);
+ attrs[LFACE_FOREGROUND_INDEX] =
+ msdos_stdcolor_name (face->foreground);
+ face_colors_defaulted = 1;
+ }
}
#endif
}
@@ -6113,7 +6142,7 @@ realize_tty_face (c, attrs, charset)
(NAME INDEX R G B). We need the INDEX part. */
face->background = XINT (XCAR (XCDR (color)));
- if (face->background == FACE_TTY_DEFAULT_COLOR
+ if (face->background == FACE_TTY_DEFAULT_BG_COLOR
&& STRINGP (attrs[LFACE_BACKGROUND_INDEX]))
{
face->background = load_color (c->f, face,
@@ -6122,12 +6151,23 @@ realize_tty_face (c, attrs, charset)
#ifdef MSDOS
/* If the background of the default face is the default color,
use the background color defined by the frame. */
- if (FRAME_MSDOS_P (c->f) && face->background == FACE_TTY_DEFAULT_COLOR)
+ if (FRAME_MSDOS_P (c->f))
{
- face->background = FRAME_BACKGROUND_PIXEL (f);
- attrs[LFACE_BACKGROUND_INDEX] =
- msdos_stdcolor_name (face->background);
- face_colors_defaulted = 1;
+ if (face->background == FACE_TTY_DEFAULT_BG_COLOR
+ || face->background == FACE_TTY_DEFAULT_COLOR)
+ {
+ face->background = FRAME_BACKGROUND_PIXEL (f);
+ attrs[LFACE_BACKGROUND_INDEX] =
+ msdos_stdcolor_name (face->background);
+ face_colors_defaulted = 1;
+ }
+ else if (face->background == FACE_TTY_DEFAULT_FG_COLOR)
+ {
+ face->background = FRAME_FOREGROUND_PIXEL (f);
+ attrs[LFACE_BACKGROUND_INDEX] =
+ msdos_stdcolor_name (face->background);
+ face_colors_defaulted = 1;
+ }
}
#endif
}
@@ -6611,6 +6651,10 @@ syms_of_xfaces ()
staticpro (&Qforeground_color);
Qunspecified = intern ("unspecified");
staticpro (&Qunspecified);
+ Qunspecified_fg = intern ("unspecified-fg");
+ staticpro (&Qunspecified_fg);
+ Qunspecified_bg = intern ("unspecified-bg");
+ staticpro (&Qunspecified_bg);
Qx_charset_registry = intern ("x-charset-registry");
staticpro (&Qx_charset_registry);