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Re: Adding parameters to windows
From: |
joakim |
Subject: |
Re: Adding parameters to windows |
Date: |
Wed, 04 Jun 2008 13:01:54 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) |
Stefan Monnier <address@hidden> writes:
> Your patch needs a few tweaks, e.g. to adjust it to the coding
> conventions:
> - The docstring of window-parameters is poor.
> E.g. the first line doesn't say anything. The second line is indented
> in the source, which looks bad when you do C-h f window-parameters.
> nil is an aliast as well, so there's no need to mention it explicitly.
> - I'd prefer to have `window-parameter' rather than `window-parameters'.
> - The docstring of set-window-parameter needs to start with a capital
> letter and end with a "." and should mention its arguments.
> Feel free to plagiarize set-frame-parameter.
> - The comment for window_parameters refers to `pin' and `group'.
> - See http://www.gnu.org/prep/standards/standards.html#Change-Logs for
> the format to use in ChangeLogs:
> - put together changes to a file.
> - your changelog seems to say you've changed `DEFUN'.
> - there's a missing space after colon in "(window:Added".
> - And the "Added" should be "Add" of course.
I've tried to adress your concerns in the attached patch.
A reworked ChangeLog entry:
2008-06-03 Joakim Verona <address@hidden>
* window.h (window_parameters): Declare
* window.c: (Fwindow_parameters): New defun.
(Fwindow_parameter): New defun.
(Fset_window_parameter): New defun.
(syms_of_window): Defsubr the new defuns.
(make_window): initialize window_parameters to nil
=== modified file 'src/window.c'
--- src/window.c 2008-06-02 12:09:12 +0000
+++ src/window.c 2008-06-03 14:08:13 +0000
@@ -273,6 +273,7 @@
p->frame = Qnil;
p->display_table = Qnil;
p->dedicated = Qnil;
+ p->window_parameters = Qnil;
p->pseudo_window_p = 0;
bzero (&p->cursor, sizeof (p->cursor));
bzero (&p->last_cursor, sizeof (p->last_cursor));
@@ -1324,6 +1325,51 @@
return w->dedicated;
}
+DEFUN ("window-parameters", Fwindow_parameters, Swindow_parameters,
+ 1, 1, 0,
+ doc: /* Return the parameters-alist of window WINDOW.
+It is a list of elements of the form (PARM . VALUE), where PARM is a symbol.
+The meaningful PARMs depend on the kind of window.
+If WINDOW is omitted, return information on the currently selected window.
*/)
+ (window)
+ Lisp_Object window;
+{
+ if (NILP (window))
+ window = selected_window;
+ return decode_window (window)->window_parameters;
+}
+
+DEFUN ("window-parameter", Fwindow_parameter, Swindow_parameter,
+ 2, 2, 0,
+ doc: /* Return WINDOW's value for parameter PARAMETER.
+If WINDOW is nil, describe the currently selected window. */)
+ (window,parameter)
+ Lisp_Object window,parameter;
+{
+ if (NILP (window))
+ window = selected_window;
+ return Fassq (parameter, decode_window (window)->window_parameters);
+}
+
+
+DEFUN ("set-window-parameter", Fset_window_parameter,
+ Sset_window_parameter, 3, 3, 0,
+ doc: /* set window parameters */)
+ (window, prop, val)
+ Lisp_Object window, prop, val;
+{
+ register struct window *w = decode_window (window);
+ register Lisp_Object old_alist_elt;
+
+ old_alist_elt = Fassq (prop, w->window_parameters);
+ if (EQ (old_alist_elt, Qnil))
+ w->window_parameters = Fcons (Fcons (prop, val), w->window_parameters);
+ else
+ Fsetcdr (old_alist_elt, val);
+ return w->window_parameters;
+}
+
+
DEFUN ("window-display-table", Fwindow_display_table, Swindow_display_table,
0, 1, 0,
doc: /* Return the display-table that WINDOW is using.
@@ -7687,6 +7733,10 @@
defsubr (&Sset_window_vscroll);
defsubr (&Scompare_window_configurations);
defsubr (&Swindow_list);
+ defsubr (&Swindow_parameters);
+ defsubr (&Swindow_parameter);
+ defsubr (&Sset_window_parameter);
+
}
void
=== modified file 'src/window.h'
--- src/window.h 2008-05-15 09:24:57 +0000
+++ src/window.h 2008-06-03 13:35:47 +0000
@@ -228,6 +228,10 @@
enlarged. */
Lisp_Object orig_total_lines, orig_top_line;
+ /* an alist with parameteres that modifies behaviour of certain window
operations.
+ */
+ Lisp_Object window_parameters;
+
/* No Lisp data may follow below this point without changing
mark_object in alloc.c. The member current_matrix must be the
first non-Lisp member. */
--
Joakim Verona
- Re: Adding parameters to windows,
joakim <=
- Re: Adding parameters to windows, Stefan Monnier, 2008/06/04
- Re: Adding parameters to windows, Juanma Barranquero, 2008/06/04
- Re: Adding parameters to windows, Juanma Barranquero, 2008/06/04
- Re: Adding parameters to windows, joakim, 2008/06/04
- Re: Adding parameters to windows, Juanma Barranquero, 2008/06/04