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authorKaroly Lorentey <lorentey@elte.hu>2006-10-14 16:56:21 +0000
committerKaroly Lorentey <lorentey@elte.hu>2006-10-14 16:56:21 +0000
commit3f87f67ee215ffeecbd2f53bd7f342cdf03f47df (patch)
tree16f2af9111af08a94d608d96a957f5c3ec5effcc /src/buffer.c
parent350e4fb815d7413ef6d339dd664014706f742927 (diff)
parent7a210b69c7f92650c524766d1b9d3f3eefdd67c7 (diff)
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Merged from emacs@sv.gnu.org
Patches applied: * emacs@sv.gnu.org/emacs--devo--0--patch-371 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-372 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-373 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-374 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-375 Merge from gnus--rel--5.10 * emacs@sv.gnu.org/emacs--devo--0--patch-376 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-377 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-378 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-379 Merge from erc--emacs--21 * emacs@sv.gnu.org/emacs--devo--0--patch-380 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-381 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-382 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-383 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-384 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-385 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-386 Update from erc--emacs--22 * emacs@sv.gnu.org/emacs--devo--0--patch-387 Fix ERC bug introduced in last patch * emacs@sv.gnu.org/emacs--devo--0--patch-388 Update from erc--emacs--22 * emacs@sv.gnu.org/emacs--devo--0--patch-389 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-390 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-391 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-392 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-393 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-394 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-395 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-396 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-397 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-398 Merge from gnus--rel--5.10 * emacs@sv.gnu.org/emacs--devo--0--patch-399 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-400 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-401 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-402 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-403 Rcirc update from Ryan Yeske * emacs@sv.gnu.org/emacs--devo--0--patch-404 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-405 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-406 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-407 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-408 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-409 Update from CVS * emacs@sv.gnu.org/emacs--devo--0--patch-410 Merge from gnus--rel--5.10 * emacs@sv.gnu.org/emacs--devo--0--patch-411 Miscellaneous tq-related fixes. * emacs@sv.gnu.org/emacs--devo--0--patch-412 Update from CVS * emacs@sv.gnu.org/gnus--rel--5.10--patch-121 Update from CVS * emacs@sv.gnu.org/gnus--rel--5.10--patch-122 Update from CVS * emacs@sv.gnu.org/gnus--rel--5.10--patch-123 Update from CVS * emacs@sv.gnu.org/gnus--rel--5.10--patch-124 Update from CVS * emacs@sv.gnu.org/gnus--rel--5.10--patch-125 Update from CVS * emacs@sv.gnu.org/gnus--rel--5.10--patch-126 Merge from emacs--devo--0 * emacs@sv.gnu.org/gnus--rel--5.10--patch-127 Update from CVS git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-581
Diffstat (limited to 'src/buffer.c')
-rw-r--r--src/buffer.c52
1 files changed, 41 insertions, 11 deletions
diff --git a/src/buffer.c b/src/buffer.c
index dc6bcd8f6d3..6a11569c85a 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -146,6 +146,9 @@ Lisp_Object Vinhibit_read_only;
Lisp_Object Vkill_buffer_query_functions;
Lisp_Object Qkill_buffer_query_functions;
+/* Hook run before changing a major mode. */
+Lisp_Object Vchange_major_mode_hook, Qchange_major_mode_hook;
+
/* List of functions to call before changing an unmodified buffer. */
Lisp_Object Vfirst_change_hook;
@@ -1711,9 +1714,18 @@ the window-buffer correspondences. */)
char *err;
if (EQ (buffer, Fwindow_buffer (selected_window)))
- /* Basically a NOP. Avoid signalling an error if the selected window
- is dedicated, or a minibuffer, ... */
- return Fset_buffer (buffer);
+ {
+ /* Basically a NOP. Avoid signalling an error in the case where
+ the selected window is dedicated, or a minibuffer. */
+
+ /* But do put this buffer at the front of the buffer list,
+ unless that has been inhibited. Note that even if
+ BUFFER is at the front of the main buffer-list already,
+ we still want to move it to the front of the frame's buffer list. */
+ if (NILP (norecord))
+ record_buffer (buffer);
+ return Fset_buffer (buffer);
+ }
err = no_switch_window (selected_window);
if (err) error (err);
@@ -2142,10 +2154,11 @@ current buffer is cleared. */)
{
struct Lisp_Marker *tail, *markers;
struct buffer *other;
- int undo_enabled_p = !EQ (current_buffer->undo_list, Qt);
int begv, zv;
int narrowed = (BEG != BEGV || Z != ZV);
int modified_p = !NILP (Fbuffer_modified_p (Qnil));
+ Lisp_Object old_undo = current_buffer->undo_list;
+ struct gcpro gcpro1;
if (current_buffer->base_buffer)
error ("Cannot do `set-buffer-multibyte' on an indirect buffer");
@@ -2154,10 +2167,11 @@ current buffer is cleared. */)
if (NILP (flag) == NILP (current_buffer->enable_multibyte_characters))
return flag;
- /* It would be better to update the list,
- but this is good enough for now. */
- if (undo_enabled_p)
- current_buffer->undo_list = Qt;
+ GCPRO1 (old_undo);
+
+ /* Don't record these buffer changes. We will put a special undo entry
+ instead. */
+ current_buffer->undo_list = Qt;
/* If the cached position is for this buffer, clear it out. */
clear_charpos_cache (current_buffer);
@@ -2357,8 +2371,17 @@ current buffer is cleared. */)
set_intervals_multibyte (1);
}
- if (undo_enabled_p)
- current_buffer->undo_list = Qnil;
+ if (!EQ (old_undo, Qt))
+ {
+ /* Represent all the above changes by a special undo entry. */
+ extern Lisp_Object Qapply;
+ current_buffer->undo_list = Fcons (list3 (Qapply,
+ intern ("set-buffer-multibyte"),
+ NILP (flag) ? Qt : Qnil),
+ old_undo);
+ }
+
+ UNGCPRO;
/* Changing the multibyteness of a buffer means that all windows
showing that buffer must be updated thoroughly. */
@@ -2416,7 +2439,7 @@ the normal hook `change-major-mode-hook'. */)
Lisp_Object oalist;
if (!NILP (Vrun_hooks))
- call1 (Vrun_hooks, intern ("change-major-mode-hook"));
+ call1 (Vrun_hooks, Qchange_major_mode_hook);
oalist = current_buffer->local_var_alist;
/* Make sure none of the bindings in oalist
@@ -6028,6 +6051,13 @@ t means to use hollow box cursor. See `cursor-type' for other values. */);
doc: /* List of functions called with no args to query before killing a buffer. */);
Vkill_buffer_query_functions = Qnil;
+ DEFVAR_LISP ("change-major-mode-hook", &Vchange_major_mode_hook,
+ doc: /* Normal hook run before changing the major mode of a buffer.
+The function `kill-all-local-variables' runs this before doing anything else. */);
+ Vchange_major_mode_hook = Qnil;
+ Qchange_major_mode_hook = intern ("change-major-mode-hook");
+ staticpro (&Qchange_major_mode_hook);
+
defsubr (&Sbuffer_live_p);
defsubr (&Sbuffer_list);
defsubr (&Sget_buffer);
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