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Code Issues Releases Activity

(append_space): Return non-zero if space was appended.

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(display_line): Set charpos of first glyph to -1 only if that
glyph is the space added by append_glyph.
This commit is contained in:
Gerd Moellmann 1999-10-31 02:01:25 +00:00
parent 2bdedac100
commit 80c6cb1ff0
1 changed files with 10 additions and 9 deletions
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19
src/xdisp.c
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@ -603,7 +603,7 @@ static Lisp_Object eval_form P_ ((Lisp_Object));
static void insert_left_trunc_glyphs P_ ((struct it *));
static struct glyph_row *get_overlay_arrow_glyph_row P_ ((struct window *));
static void extend_face_to_end_of_line P_ ((struct it *));
static void append_space P_ ((struct it *, int));
static int append_space P_ ((struct it *, int));
static void make_cursor_line_fully_visible P_ ((struct window *));
static int try_scrolling P_ ((Lisp_Object, int, int, int, int));
static int trailing_whitespace_p P_ ((int));
@ -10723,7 +10723,7 @@ compute_line_metrics (it)
/* Append one space to the glyph row of iterator IT if doing a
window-based redisplay. DEFAULT_FACE_P non-zero means let the
space have the default face, otherwise let it have the same face as
IT->face_id.
IT->face_id. Value is non-zero if a space was added.
This function is called to make sure that there is always one glyph
at the end of a glyph row that the cursor can be set on under
@ -10733,7 +10733,7 @@ compute_line_metrics (it)
At the same time this space let's a nicely handle clearing to the
end of the line if the row ends in italic text. */
static void
static int
append_space (it, default_face_p)
struct it *it;
int default_face_p;
@ -10778,8 +10778,11 @@ append_space (it, default_face_p)
it->what = saved_what;
it->face_id = saved_face_id;
it->charset = saved_charset;
return 1;
}
}
return 0;
}
@ -11006,13 +11009,11 @@ display_line (it)
{
/* Maybe add a space at the end of this line that is used to
display the cursor there under X. */
append_space (it, 1);
/* The position -1 below indicates a blank line not
corresponding to any text, as opposed to an empty line
corresponding to a line end. */
if (row->used[TEXT_AREA] <= 1)
if (append_space (it, 1) && row->used[TEXT_AREA] == 1)
{
/* The position -1 below indicates a blank line not
corresponding to any text, as opposed to an empty line
corresponding to a line end. */
row->glyphs[TEXT_AREA]->charpos = -1;
row->displays_text_p = 0;