Skip to content
GitLab
Projects
Groups
Snippets
Help
Loading...
Help
Help
Support
Community forum
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
Open sidebar
emacs
emacs
Commits
cf14fd6e
Commit
cf14fd6e
authored
Apr 23, 2004
by
Kenichi Handa
Browse files
(Finternal_char_font): If POSITION is nil, return
font for displaying CH with the default face.
parent
d814862a
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
33 additions
and
18 deletions
+33
-18
src/fontset.c
src/fontset.c
+33
-18
No files found.
src/fontset.c
View file @
cf14fd6e
...
...
@@ -1212,7 +1212,10 @@ If the named font is not yet loaded, return nil. */)
/* Return a cons (FONT-NAME . GLYPH-CODE).
FONT-NAME is the font name for the character at POSITION in the current
buffer. This is computed from all the text properties and overlays
that apply to POSITION.
that apply to POSITION. POSTION may be nil, in which case,
FONT-NAME is the font name for display the character CH with the
default face.
GLYPH-CODE is the glyph code in the font to use for the character.
If the 2nd optional arg CH is non-nil, it is a character to check
...
...
@@ -1225,7 +1228,8 @@ If the named font is not yet loaded, return nil. */)
(2) The character code is invalid.
(3) The current buffer is not displayed in any window.
(3) If POSITION is not nil, and the current buffer is not displayed
in any window.
In addition, the returned font name may not take into account of
such redisplay engine hooks as what used in jit-lock-mode if
...
...
@@ -1240,31 +1244,42 @@ DEFUN ("internal-char-font", Finternal_char_font, Sinternal_char_font, 1, 2, 0,
int
pos
,
pos_byte
,
dummy
;
int
face_id
;
int
c
,
code
;
Lisp_Object
window
;
struct
window
*
w
;
struct
frame
*
f
;
struct
face
*
face
;
CHECK_NUMBER_COERCE_MARKER
(
position
);
pos
=
XINT
(
position
);
if
(
pos
<
BEGV
||
pos
>=
ZV
)
args_out_of_range_3
(
position
,
make_number
(
BEGV
),
make_number
(
ZV
));
pos_byte
=
CHAR_TO_BYTE
(
pos
);
if
(
NILP
(
ch
))
c
=
FETCH_CHAR
(
pos_byte
);
else
if
(
NILP
(
position
))
{
CHECK_NATNUM
(
ch
);
c
=
XINT
(
ch
);
f
=
XFRAME
(
selected_frame
);
face_id
=
DEFAULT_FACE_ID
;
}
else
{
Lisp_Object
window
;
struct
window
*
w
;
CHECK_NUMBER_COERCE_MARKER
(
position
);
pos
=
XINT
(
position
);
if
(
pos
<
BEGV
||
pos
>=
ZV
)
args_out_of_range_3
(
position
,
make_number
(
BEGV
),
make_number
(
ZV
));
pos_byte
=
CHAR_TO_BYTE
(
pos
);
if
(
NILP
(
ch
))
c
=
FETCH_CHAR
(
pos_byte
);
else
{
CHECK_NATNUM
(
ch
);
c
=
XINT
(
ch
);
}
window
=
Fget_buffer_window
(
Fcurrent_buffer
(),
Qnil
);
if
(
NILP
(
window
))
return
Qnil
;
w
=
XWINDOW
(
window
);
f
=
XFRAME
(
w
->
frame
);
face_id
=
face_at_buffer_position
(
w
,
pos
,
-
1
,
-
1
,
&
dummy
,
pos
+
100
,
0
);
}
if
(
!
CHAR_VALID_P
(
c
,
0
))
return
Qnil
;
window
=
Fget_buffer_window
(
Fcurrent_buffer
(),
Qnil
);
if
(
NILP
(
window
))
return
Qnil
;
w
=
XWINDOW
(
window
);
f
=
XFRAME
(
w
->
frame
);
face_id
=
face_at_buffer_position
(
w
,
pos
,
-
1
,
-
1
,
&
dummy
,
pos
+
100
,
0
);
face_id
=
FACE_FOR_CHAR
(
f
,
FACE_FROM_ID
(
f
,
face_id
),
c
);
face
=
FACE_FROM_ID
(
f
,
face_id
);
if
(
!
face
->
font
||
!
face
->
font_name
)
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
.
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment