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Code Issues Releases Activity

(MODE_LINE_NOPROP_LEN): New macro.

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(x_consider_frame_title, Fformat_mode_line): Save offset into
mode_line_noprop_buf rather than pointer, in case buffer is relocated.
This commit is contained in:
Kim F. Storm 2005-06-02 12:27:05 +00:00
parent 0493f7be8a
commit d06e384795
1 changed files with 16 additions and 14 deletions
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30
src/xdisp.c
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@ -8173,6 +8173,9 @@ static char *mode_line_noprop_buf;
static char *mode_line_noprop_buf_end;
static char *mode_line_noprop_ptr;
#define MODE_LINE_NOPROP_LEN(start) \
((mode_line_noprop_ptr - mode_line_noprop_buf) - start)
static enum {
MODE_LINE_DISPLAY = 0,
MODE_LINE_TITLE,
@ -8212,7 +8215,7 @@ format_mode_line_unwind_data (obuf)
vector = Fmake_vector (make_number (7), Qnil);
AREF (vector, 0) = make_number (mode_line_target);
AREF (vector, 1) = make_number (mode_line_noprop_ptr - mode_line_noprop_buf);
AREF (vector, 1) = make_number (MODE_LINE_NOPROP_LEN (0));
AREF (vector, 2) = mode_line_string_list;
AREF (vector, 3) = mode_line_proptrans_alist;
AREF (vector, 4) = mode_line_string_face;
@ -8263,7 +8266,7 @@ store_mode_line_noprop_char (c)
double the buffer's size. */
if (mode_line_noprop_ptr == mode_line_noprop_buf_end)
{
int len = mode_line_noprop_ptr - mode_line_noprop_buf;
int len = MODE_LINE_NOPROP_LEN (0);
int new_size = 2 * len * sizeof *mode_line_noprop_buf;
mode_line_noprop_buf = (char *) xrealloc (mode_line_noprop_buf, new_size);
mode_line_noprop_buf_end = mode_line_noprop_buf + new_size;
@ -8330,7 +8333,8 @@ x_consider_frame_title (frame)
/* Do we have more than one visible frame on this X display? */
Lisp_Object tail;
Lisp_Object fmt;
char *title_start;
int title_start;
char *title;
int len;
struct it it;
int count = SPECPDL_INDEX ();
@ -8361,12 +8365,12 @@ x_consider_frame_title (frame)
fmt = FRAME_ICONIFIED_P (f) ? Vicon_title_format : Vframe_title_format;
mode_line_target = MODE_LINE_TITLE;
title_start = mode_line_noprop_ptr;
title_start = MODE_LINE_NOPROP_LEN (0);
init_iterator (&it, XWINDOW (f->selected_window), -1, -1,
NULL, DEFAULT_FACE_ID);
display_mode_element (&it, 0, -1, -1, fmt, Qnil, 0);
len = mode_line_noprop_ptr - title_start;
len = MODE_LINE_NOPROP_LEN (title_start);
title = mode_line_noprop_buf + title_start;
unbind_to (count, Qnil);
/* Set the title only if it's changed. This avoids consing in
@ -8376,8 +8380,8 @@ x_consider_frame_title (frame)
higher level than this.) */
if (! STRINGP (f->name)
|| SBYTES (f->name) != len
|| bcmp (title_start, SDATA (f->name), len) != 0)
x_implicitly_set_name (f, make_string (title_start, len), Qnil);
|| bcmp (title, SDATA (f->name), len) != 0)
x_implicitly_set_name (f, make_string (title, len), Qnil);
}
}
@ -16300,7 +16304,7 @@ are the selected window and the window's buffer). */)
int no_props = INTEGERP (face);
int count = SPECPDL_INDEX ();
Lisp_Object str;
char *string_start = NULL;
int string_start = 0;
if (NILP (window))
window = selected_window;
@ -16343,7 +16347,7 @@ are the selected window and the window's buffer). */)
mode_line_target = MODE_LINE_NOPROP;
mode_line_string_face_prop = Qnil;
mode_line_string_list = Qnil;
string_start = mode_line_noprop_ptr;
string_start = MODE_LINE_NOPROP_LEN (0);
}
else
{
@ -16352,8 +16356,6 @@ are the selected window and the window's buffer). */)
mode_line_string_face = face;
mode_line_string_face_prop
= (NILP (face) ? Qnil : Fcons (Qface, Fcons (face, Qnil)));
string_start = NULL;
}
push_frame_kboard (it.f);
@ -16362,8 +16364,8 @@ are the selected window and the window's buffer). */)
if (no_props)
{
len = mode_line_noprop_ptr - string_start;
str = make_string (string_start, len);
len = MODE_LINE_NOPROP_LEN (string_start);
str = make_string (mode_line_noprop_buf + string_start, len);
}
else
{