/* Set up data in menu_items for a menu bar item
whose event type is ITEM_KEY (with string ITEM_NAME)
and whose contents come from the list of keymaps MAPS. */
bool
parse_single_submenu (Lisp_Object item_key, Lisp_Object item_name,
Lisp_Object maps)
{
Lisp_Object length;
EMACS_INT len;
Lisp_Object *mapvec;
ptrdiff_t i;
bool top_level_items = 0;
USE_SAFE_ALLOCA;
length = Flength (maps);
len = XINT (length);
/* Convert the list MAPS into a vector MAPVEC. */
SAFE_ALLOCA_LISP (mapvec, len);
for (i = 0; i < len; i++)
{
mapvec[i] = Fcar (maps);
maps = Fcdr (maps);
}
/* Loop over the given keymaps, making a pane for each map.
But don't make a pane that is empty--ignore that map instead. */
for (i = 0; i < len; i++)
{
if (!KEYMAPP (mapvec[i]))
{
/* Here we have a command at top level in the menu bar
as opposed to a submenu. */
top_level_items = 1;
push_menu_pane (Qnil, Qnil);
push_menu_item (item_name, Qt, item_key, mapvec[i],
Qnil, Qnil, Qnil, Qnil);
}
else
{
Lisp_Object prompt;
prompt = Fkeymap_prompt (mapvec[i]);
single_keymap_panes (mapvec[i],
!NILP (prompt) ? prompt : item_name,
item_key, 10);
}
}
SAFE_FREE ();
return top_level_items;
}
static void
keymap_panes (Lisp_Object *keymaps, ptrdiff_t nmaps)
{
ptrdiff_t mapno;
init_menu_items ();
/* Loop over the given keymaps, making a pane for each map.
But don't make a pane that is empty--ignore that map instead.
P is the number of panes we have made so far. */
for (mapno = 0; mapno < nmaps; mapno++)
single_keymap_panes (keymaps[mapno],
Fkeymap_prompt (keymaps[mapno]), Qnil, 10);
finish_menu_items ();
}
/* Set up data in menu_items for a menu bar item
whose event type is ITEM_KEY (with string ITEM_NAME)
and whose contents come from the list of keymaps MAPS. */
int
parse_single_submenu (Lisp_Object item_key, Lisp_Object item_name, Lisp_Object maps)
{
Lisp_Object length;
int len;
Lisp_Object *mapvec;
int i;
int top_level_items = 0;
length = Flength (maps);
len = XINT (length);
/* Convert the list MAPS into a vector MAPVEC. */
mapvec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object));
for (i = 0; i < len; i++)
{
mapvec[i] = Fcar (maps);
maps = Fcdr (maps);
}
/* Loop over the given keymaps, making a pane for each map.
But don't make a pane that is empty--ignore that map instead. */
for (i = 0; i < len; i++)
{
if (!KEYMAPP (mapvec[i]))
{
/* Here we have a command at top level in the menu bar
as opposed to a submenu. */
top_level_items = 1;
push_menu_pane (Qnil, Qnil);
push_menu_item (item_name, Qt, item_key, mapvec[i],
Qnil, Qnil, Qnil, Qnil);
}
else
{
Lisp_Object prompt;
prompt = Fkeymap_prompt (mapvec[i]);
single_keymap_panes (mapvec[i],
!NILP (prompt) ? prompt : item_name,
item_key, 10);
}
}
return top_level_items;
}
static void
single_keymap_panes (Lisp_Object keymap, Lisp_Object pane_name,
Lisp_Object prefix, int maxdepth)
{
struct skp skp;
struct gcpro gcpro1;
skp.pending_maps = Qnil;
skp.maxdepth = maxdepth;
skp.notbuttons = 0;
if (maxdepth <= 0)
return;
push_menu_pane (pane_name, prefix);
if (!have_boxes ())
{
/* Remember index for first item in this pane so we can go back
and add a prefix when (if) we see the first button. After
that, notbuttons is set to 0, to mark that we have seen a
button and all non button items need a prefix. */
skp.notbuttons = menu_items_used;
}
GCPRO1 (skp.pending_maps);
map_keymap_canonical (keymap, single_menu_item, Qnil, &skp);
UNGCPRO;
/* Process now any submenus which want to be panes at this level. */
while (CONSP (skp.pending_maps))
{
Lisp_Object elt, eltcdr, string;
elt = XCAR (skp.pending_maps);
eltcdr = XCDR (elt);
string = XCAR (eltcdr);
/* We no longer discard the @ from the beginning of the string here.
Instead, we do this in *menu_show. */
single_keymap_panes (Fcar (elt), string, XCDR (eltcdr), maxdepth - 1);
skp.pending_maps = XCDR (skp.pending_maps);
}
}
static void
single_menu_item (Lisp_Object key, Lisp_Object item, Lisp_Object dummy, void *skp_v)
{
Lisp_Object map, item_string, enabled;
struct gcpro gcpro1, gcpro2;
bool res;
struct skp *skp = skp_v;
/* Parse the menu item and leave the result in item_properties. */
GCPRO2 (key, item);
res = parse_menu_item (item, 0);
UNGCPRO;
if (!res)
return; /* Not a menu item. */
map = AREF (item_properties, ITEM_PROPERTY_MAP);
enabled = AREF (item_properties, ITEM_PROPERTY_ENABLE);
item_string = AREF (item_properties, ITEM_PROPERTY_NAME);
if (!NILP (map) && SREF (item_string, 0) == '@')
{
if (!NILP (enabled))
/* An enabled separate pane. Remember this to handle it later. */
skp->pending_maps = Fcons (Fcons (map, Fcons (item_string, key)),
skp->pending_maps);
return;
}
/* Simulate radio buttons and toggle boxes by putting a prefix in
front of them. */
if (!have_boxes ())
{
char const *prefix = 0;
Lisp_Object type = AREF (item_properties, ITEM_PROPERTY_TYPE);
if (!NILP (type))
{
Lisp_Object selected
= AREF (item_properties, ITEM_PROPERTY_SELECTED);
if (skp->notbuttons)
/* The first button. Line up previous items in this menu. */
{
int idx = skp->notbuttons; /* Index for first item this menu. */
int submenu = 0;
Lisp_Object tem;
while (idx < menu_items_used)
{
tem
= AREF (menu_items, idx + MENU_ITEMS_ITEM_NAME);
if (NILP (tem))
{
idx++;
submenu++; /* Skip sub menu. */
}
else if (EQ (tem, Qlambda))
{
idx++;
submenu--; /* End sub menu. */
}
else if (EQ (tem, Qt))
idx += 3; /* Skip new pane marker. */
else if (EQ (tem, Qquote))
idx++; /* Skip a left, right divider. */
else
{
if (!submenu && SREF (tem, 0) != '\0'
&& SREF (tem, 0) != '-')
ASET (menu_items, idx + MENU_ITEMS_ITEM_NAME,
concat2 (SCOPED_STRING (" "), tem));
idx += MENU_ITEMS_ITEM_LENGTH;
}
}
skp->notbuttons = 0;
}
/* Calculate prefix, if any, for this item. */
if (EQ (type, QCtoggle))
prefix = NILP (selected) ? "[ ] " : "[X] ";
else if (EQ (type, QCradio))
prefix = NILP (selected) ? "( ) " : "(*) ";
}
/* Not a button. If we have earlier buttons, then we need a prefix. */
else if (!skp->notbuttons && SREF (item_string, 0) != '\0'
&& SREF (item_string, 0) != '-')
prefix = " ";
if (prefix)
item_string = concat2 (SCOPED_STRING (prefix), item_string);
}
if ((FRAME_TERMCAP_P (XFRAME (Vmenu_updating_frame))
|| FRAME_MSDOS_P (XFRAME (Vmenu_updating_frame)))
&& !NILP (map))
/* Indicate visually that this is a submenu. */
item_string = concat2 (item_string, SCOPED_STRING (" >"));
push_menu_item (item_string, enabled, key,
AREF (item_properties, ITEM_PROPERTY_DEF),
AREF (item_properties, ITEM_PROPERTY_KEYEQ),
AREF (item_properties, ITEM_PROPERTY_TYPE),
AREF (item_properties, ITEM_PROPERTY_SELECTED),
AREF (item_properties, ITEM_PROPERTY_HELP));
#if defined (USE_X_TOOLKIT) || defined (USE_GTK) || defined (HAVE_NS) || defined (HAVE_NTGUI)
/* Display a submenu using the toolkit. */
if (FRAME_WINDOW_P (XFRAME (Vmenu_updating_frame))
&& ! (NILP (map) || NILP (enabled)))
{
push_submenu_start ();
single_keymap_panes (map, Qnil, key, skp->maxdepth - 1);
push_submenu_end ();
}
#endif
}
static void
single_menu_item (Lisp_Object key, Lisp_Object item, Lisp_Object dummy, void *skp_v)
{
Lisp_Object map, item_string, enabled;
struct gcpro gcpro1, gcpro2;
int res;
struct skp *skp = skp_v;
/* Parse the menu item and leave the result in item_properties. */
GCPRO2 (key, item);
res = parse_menu_item (item, 0);
UNGCPRO;
if (!res)
return; /* Not a menu item. */
map = XVECTOR (item_properties)->contents[ITEM_PROPERTY_MAP];
enabled = XVECTOR (item_properties)->contents[ITEM_PROPERTY_ENABLE];
item_string = XVECTOR (item_properties)->contents[ITEM_PROPERTY_NAME];
if (!NILP (map) && SREF (item_string, 0) == '@')
{
if (!NILP (enabled))
/* An enabled separate pane. Remember this to handle it later. */
skp->pending_maps = Fcons (Fcons (map, Fcons (item_string, key)),
skp->pending_maps);
return;
}
#if defined(HAVE_X_WINDOWS) || defined(MSDOS)
#ifndef HAVE_BOXES
/* Simulate radio buttons and toggle boxes by putting a prefix in
front of them. */
{
Lisp_Object prefix = Qnil;
Lisp_Object type = XVECTOR (item_properties)->contents[ITEM_PROPERTY_TYPE];
if (!NILP (type))
{
Lisp_Object selected
= XVECTOR (item_properties)->contents[ITEM_PROPERTY_SELECTED];
if (skp->notbuttons)
/* The first button. Line up previous items in this menu. */
{
int index = skp->notbuttons; /* Index for first item this menu. */
int submenu = 0;
Lisp_Object tem;
while (index < menu_items_used)
{
tem
= XVECTOR (menu_items)->contents[index + MENU_ITEMS_ITEM_NAME];
if (NILP (tem))
{
index++;
submenu++; /* Skip sub menu. */
}
else if (EQ (tem, Qlambda))
{
index++;
submenu--; /* End sub menu. */
}
else if (EQ (tem, Qt))
index += 3; /* Skip new pane marker. */
else if (EQ (tem, Qquote))
index++; /* Skip a left, right divider. */
else
{
if (!submenu && SREF (tem, 0) != '\0'
&& SREF (tem, 0) != '-')
XVECTOR (menu_items)->contents[index + MENU_ITEMS_ITEM_NAME]
= concat2 (build_string (" "), tem);
index += MENU_ITEMS_ITEM_LENGTH;
}
}
skp->notbuttons = 0;
}
/* Calculate prefix, if any, for this item. */
if (EQ (type, QCtoggle))
prefix = build_string (NILP (selected) ? "[ ] " : "[X] ");
else if (EQ (type, QCradio))
prefix = build_string (NILP (selected) ? "( ) " : "(*) ");
}
/* Not a button. If we have earlier buttons, then we need a prefix. */
else if (!skp->notbuttons && SREF (item_string, 0) != '\0'
&& SREF (item_string, 0) != '-')
prefix = build_string (" ");
if (!NILP (prefix))
item_string = concat2 (prefix, item_string);
}
#endif /* not HAVE_BOXES */
#if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
if (!NILP (map))
/* Indicate visually that this is a submenu. */
item_string = concat2 (item_string, build_string (" >"));
#endif
#endif /* HAVE_X_WINDOWS || MSDOS */
push_menu_item (item_string, enabled, key,
XVECTOR (item_properties)->contents[ITEM_PROPERTY_DEF],
XVECTOR (item_properties)->contents[ITEM_PROPERTY_KEYEQ],
XVECTOR (item_properties)->contents[ITEM_PROPERTY_TYPE],
XVECTOR (item_properties)->contents[ITEM_PROPERTY_SELECTED],
XVECTOR (item_properties)->contents[ITEM_PROPERTY_HELP]);
#if defined (USE_X_TOOLKIT) || defined (USE_GTK) || defined (HAVE_NS) || defined (HAVE_NTGUI)
/* Display a submenu using the toolkit. */
if (! (NILP (map) || NILP (enabled)))
{
push_submenu_start ();
single_keymap_panes (map, Qnil, key, skp->maxdepth - 1);
push_submenu_end ();
}
#endif
}