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(Vemulation_mode_map_alists): New variable.

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(syms_of_keymap): DEFVAR_LISP it.
(current_minor_maps): Process keymap alists in that list before
minor-mode-overriding-map-alist and minor-mode-map-alist.
This commit is contained in:
Kim F. Storm 2002-05-10 07:03:20 +00:00
parent 05b2c53f3a
commit 99cbcacac3
1 changed files with 93 additions and 67 deletions
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160
src/keymap.c
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@ -75,6 +75,9 @@ Lisp_Object Vminor_mode_map_alist;
minor mode variables and keymaps. */
Lisp_Object Vminor_mode_overriding_map_alist;
/* List of emulation mode keymap alists. */
Lisp_Object Vemulation_mode_map_alists;
/* Keymap mapping ASCII function key sequences onto their preferred forms.
Initialized by the terminal-specific lisp files. See DEFVAR for more
documentation. */
@ -1278,81 +1281,94 @@ current_minor_maps (modeptr, mapptr)
int i = 0;
int list_number = 0;
Lisp_Object alist, assoc, var, val;
Lisp_Object emulation_alists;
Lisp_Object lists[2];
emulation_alists = Vemulation_mode_map_alists;
lists[0] = Vminor_mode_overriding_map_alist;
lists[1] = Vminor_mode_map_alist;
for (list_number = 0; list_number < 2; list_number++)
for (alist = lists[list_number];
CONSP (alist);
alist = XCDR (alist))
if ((assoc = XCAR (alist), CONSP (assoc))
&& (var = XCAR (assoc), SYMBOLP (var))
&& (val = find_symbol_value (var), !EQ (val, Qunbound))
&& !NILP (val))
{
if (CONSP (emulation_alists))
{
Lisp_Object temp;
/* If a variable has an entry in Vminor_mode_overriding_map_alist,
and also an entry in Vminor_mode_map_alist,
ignore the latter. */
if (list_number == 1)
{
val = assq_no_quit (var, lists[0]);
if (!NILP (val))
continue;
}
if (i >= cmm_size)
{
Lisp_Object *newmodes, *newmaps;
/* Use malloc/realloc here. See the comment above
this function. */
if (cmm_maps)
{
BLOCK_INPUT;
cmm_size *= 2;
newmodes
= (Lisp_Object *) realloc (cmm_modes,
cmm_size * sizeof *newmodes);
newmaps
= (Lisp_Object *) realloc (cmm_maps,
cmm_size * sizeof *newmaps);
UNBLOCK_INPUT;
}
else
{
BLOCK_INPUT;
cmm_size = 30;
newmodes
= (Lisp_Object *) malloc (cmm_size * sizeof *newmodes);
newmaps
= (Lisp_Object *) malloc (cmm_size * sizeof *newmaps);
UNBLOCK_INPUT;
}
if (newmodes)
cmm_modes = newmodes;
if (newmaps)
cmm_maps = newmaps;
if (newmodes == NULL || newmaps == NULL)
break;
}
/* Get the keymap definition--or nil if it is not defined. */
temp = internal_condition_case_1 (Findirect_function,
XCDR (assoc),
Qerror, current_minor_maps_error);
if (!NILP (temp))
{
cmm_modes[i] = var;
cmm_maps [i] = temp;
i++;
}
alist = XCAR (emulation_alists);
emulation_alists = XCDR (emulation_alists);
if (SYMBOLP (alist))
alist = find_symbol_value (alist);
list_number = -1;
}
else
alist = lists[list_number];
for ( ; CONSP (alist); alist = XCDR (alist))
if ((assoc = XCAR (alist), CONSP (assoc))
&& (var = XCAR (assoc), SYMBOLP (var))
&& (val = find_symbol_value (var), !EQ (val, Qunbound))
&& !NILP (val))
{
Lisp_Object temp;
/* If a variable has an entry in Vminor_mode_overriding_map_alist,
and also an entry in Vminor_mode_map_alist,
ignore the latter. */
if (list_number == 1)
{
val = assq_no_quit (var, lists[0]);
if (!NILP (val))
continue;
}
if (i >= cmm_size)
{
Lisp_Object *newmodes, *newmaps;
/* Use malloc/realloc here. See the comment above
this function. */
if (cmm_maps)
{
BLOCK_INPUT;
cmm_size *= 2;
newmodes
= (Lisp_Object *) realloc (cmm_modes,
cmm_size * sizeof *newmodes);
newmaps
= (Lisp_Object *) realloc (cmm_maps,
cmm_size * sizeof *newmaps);
UNBLOCK_INPUT;
}
else
{
BLOCK_INPUT;
cmm_size = 30;
newmodes
= (Lisp_Object *) malloc (cmm_size * sizeof *newmodes);
newmaps
= (Lisp_Object *) malloc (cmm_size * sizeof *newmaps);
UNBLOCK_INPUT;
}
if (newmodes)
cmm_modes = newmodes;
if (newmaps)
cmm_maps = newmaps;
if (newmodes == NULL || newmaps == NULL)
break;
}
/* Get the keymap definition--or nil if it is not defined. */
temp = internal_condition_case_1 (Findirect_function,
XCDR (assoc),
Qerror, current_minor_maps_error);
if (!NILP (temp))
{
cmm_modes[i] = var;
cmm_maps [i] = temp;
i++;
}
}
}
if (modeptr) *modeptr = cmm_modes;
if (mapptr) *mapptr = cmm_maps;
@ -3579,6 +3595,16 @@ used the same way (and before `minor-mode-map-alist'); however,
it is provided for major modes to bind locally. */);
Vminor_mode_overriding_map_alist = Qnil;
DEFVAR_LISP ("emulation-mode-map-alists", &Vemulation_mode_map_alists,
doc: /* List of keymap alists to use for emulations modes.
It is intended for modes or packages using multiple minor-mode keymaps.
Each element is a keymap alist just like `minor-mode-map-alist', or a
symbol with a variable binding which is a keymap alist, and it is used
the same way. The "active" keymaps in each alist are used before
`minor-mode-map-alist' and `minor-mode-overriding-map-alist'. */);
Vemulation_mode_map_alists = Qnil;
DEFVAR_LISP ("function-key-map", &Vfunction_key_map,
doc: /* Keymap mapping ASCII function key sequences onto their preferred forms.
This allows Emacs to recognize function keys sent from ASCII