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(frame_name_fnn_p, set_term_frame_name): New functions.

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(store_frame_param): When the property name is "name", set the
name of the frame to its value.
This commit is contained in:
Eli Zaretskii 1997-11-20 15:50:59 +00:00
parent ccd19b9f49
commit e5317d6126
1 changed files with 67 additions and 2 deletions
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69
src/frame.c
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@ -21,6 +21,9 @@ Boston, MA 02111-1307, USA. */
#include <config.h>
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include "lisp.h"
#include "charset.h"
#ifdef HAVE_WINDOW_SYSTEM
@ -1757,6 +1760,64 @@ store_in_alist (alistptr, prop, val)
Fsetcdr (tem, val);
}
static int
frame_name_fnn_p (str, len)
char *str;
int len;
{
if (len > 1 && str[0] == 'F')
{
char *end_ptr;
long num = strtol (str + 1, &end_ptr, 10);
if (end_ptr == str + len)
return 1;
}
return 0;
}
/* Set the name of the terminal frame. Also used by MSDOS frames.
Modeled after x_set_name which is used for WINDOW frames. */
void
set_term_frame_name (f, name)
struct frame *f;
Lisp_Object name;
{
f->explicit_name = ! NILP (name);
/* If NAME is nil, set the name to F<num>. */
if (NILP (name))
{
char namebuf[20];
/* Check for no change needed in this very common case
before we do any consing. */
if (frame_name_fnn_p (XSTRING (f->name)->data, XSTRING (f->name)->size))
return;
terminal_frame_count++;
sprintf (namebuf, "F%d", terminal_frame_count);
name = build_string (namebuf);
}
else
{
CHECK_STRING (name, 0);
/* Don't change the name if it's already NAME. */
if (! NILP (Fstring_equal (name, f->name)))
return;
/* Don't allow the user to set the frame name to F<num>, so it
doesn't clash with the names we generate for terminal frames. */
if (frame_name_fnn_p (XSTRING (name)->data, XSTRING (name)->size))
error ("Frame names of the form F<num> are usurped by Emacs");
}
f->name = name;
update_mode_lines = 1;
}
void
store_frame_param (f, prop, val)
struct frame *f;
@ -1780,8 +1841,12 @@ store_frame_param (f, prop, val)
f->buffer_predicate = val;
if (! FRAME_WINDOW_P (f))
if (EQ (prop, Qmenu_bar_lines))
set_menu_bar_lines (f, val, make_number (FRAME_MENU_BAR_LINES (f)));
{
if (EQ (prop, Qmenu_bar_lines))
set_menu_bar_lines (f, val, make_number (FRAME_MENU_BAR_LINES (f)));
else if (EQ (prop, Qname))
set_term_frame_name (f, val);
}
if (EQ (prop, Qminibuffer) && WINDOWP (val))
{