ring_bell ()
{
if (! FRAME_TERMCAP_P (selected_frame))
{
(*ring_bell_hook) ();
return;
}
OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell);
}
/* Encode a menu string as appropriate for menu-updating-frame's type. */
static Lisp_Object
encode_menu_string (Lisp_Object str)
{
/* TTY menu strings are encoded by write_glyphs, when they are
delivered to the glass, so no need to encode them here. */
if (FRAME_TERMCAP_P (XFRAME (Vmenu_updating_frame)))
return str;
return ENCODE_MENU_STRING (str);
}
/* Signal to the main thread that we have file notifications for it to
process. */
static void
send_notifications (BYTE *info, DWORD info_size, void *desc,
volatile int *terminate)
{
int done = 0;
struct frame *f = SELECTED_FRAME ();
/* A single buffer is used to communicate all notifications to the
main thread. Since both the main thread and several watcher
threads could be active at the same time, we use a critical area
and an "in-use" flag to synchronize them. A watcher thread can
only put its notifications in the buffer if it acquires the
critical area and finds the "in-use" flag reset. The main thread
resets the flag after it is done processing notifications.
FIXME: is there a better way of dealing with this? */
while (!done && !*terminate)
{
enter_crit ();
if (!notification_buffer_in_use)
{
if (info_size)
memcpy (file_notifications, info,
min (info_size, sizeof (file_notifications)));
notifications_size = min (info_size, sizeof (file_notifications));
notifications_desc = desc;
/* If PostMessage fails, the message queue is full. If that
happens, the last thing they will worry about is file
notifications. So we effectively discard the
notification in that case. */
if ((FRAME_TERMCAP_P (f)
/* We send the message to the main (a.k.a. "Lisp")
thread, where it will wake up MsgWaitForMultipleObjects
inside sys_select, causing it to report that there's
some keyboard input available. This will in turn cause
w32_console_read_socket to be called, which will pick
up the file notifications. */
&& PostThreadMessage (dwMainThreadId, WM_EMACS_FILENOTIFY, 0, 0))
|| (FRAME_W32_P (f)
&& PostMessage (FRAME_W32_WINDOW (f),
WM_EMACS_FILENOTIFY, 0, 0))
/* When we are running in batch mode, there's no one to
send a message, so we just signal the data is
available and hope sys_select will be called soon and
will read the data. */
|| (FRAME_INITIAL_P (f) && noninteractive))
notification_buffer_in_use = 1;
done = 1;
}
leave_crit ();
if (!done)
Sleep (5);
}
}
set_terminal_modes ()
{
if (! FRAME_TERMCAP_P (selected_frame))
{
(*set_terminal_modes_hook) ();
return;
}
OUTPUT_IF (TS_termcap_modes);
OUTPUT_IF (TS_visual_mode);
OUTPUT_IF (TS_keypad_mode);
losecursor ();
}
reset_terminal_modes ()
{
if (! FRAME_TERMCAP_P (selected_frame))
{
(*reset_terminal_modes_hook) ();
return;
}
if (TN_standout_width < 0)
turn_off_highlight ();
turn_off_insert ();
OUTPUT_IF (TS_end_keypad_mode);
OUTPUT_IF (TS_end_visual_mode);
OUTPUT_IF (TS_end_termcap_modes);
/* Output raw CR so kernel can track the cursor hpos. */
/* But on magic-cookie terminals this can erase an end-standout marker and
cause the rest of the frame to be in standout, so move down first. */
if (TN_standout_width >= 0)
cmputc ('\n');
cmputc ('\r');
}
/* Signal to the main thread that we have file notifications for it to
process. */
static void
send_notifications (struct notifications_set *ns)
{
struct frame *f = SELECTED_FRAME ();
/* We add the current notification set to the linked list. Use the
critical section to make sure only one thread will access the
linked list. */
enter_crit ();
ns->next = notifications_set_head;
ns->prev = notifications_set_head->prev;
ns->prev->next = ns;
notifications_set_head->prev = ns;
leave_crit();
/* If PostMessage fails, the message queue is full. If that
happens, the last thing they will worry about is file
notifications. So we effectively discard the notification in
that case. */
if (FRAME_TERMCAP_P (f))
/* We send the message to the main (a.k.a. "Lisp") thread, where
it will wake up MsgWaitForMultipleObjects inside sys_select,
causing it to report that there's some keyboard input
available. This will in turn cause w32_console_read_socket to
be called, which will pick up the file notifications. */
PostThreadMessage (dwMainThreadId, WM_EMACS_FILENOTIFY, 0, 0);
else if (FRAME_W32_P (f))
PostMessage (FRAME_W32_WINDOW (f),
WM_EMACS_FILENOTIFY, 0, 0);
/* When we are running in batch mode, there's no one to send a
message, so we just signal the data is available and hope
sys_select will be called soon and will read the data. */
#if 0
else if (FRAME_INITIAL_P (f) && noninteractive)
;
#endif
}
widget_value *
digest_single_submenu (int start, int end, bool top_level_items)
{
widget_value *wv, *prev_wv, *save_wv, *first_wv;
int i;
int submenu_depth = 0;
widget_value **submenu_stack;
bool panes_seen = 0;
struct frame *f = XFRAME (Vmenu_updating_frame);
USE_SAFE_ALLOCA;
SAFE_NALLOCA (submenu_stack, 1, menu_items_used);
wv = make_widget_value ("menu", NULL, true, Qnil);
wv->button_type = BUTTON_TYPE_NONE;
first_wv = wv;
save_wv = 0;
prev_wv = 0;
/* Loop over all panes and items made by the preceding call
to parse_single_submenu and construct a tree of widget_value objects.
Ignore the panes and items used by previous calls to
digest_single_submenu, even though those are also in menu_items. */
i = start;
while (i < end)
{
if (EQ (AREF (menu_items, i), Qnil))
{
submenu_stack[submenu_depth++] = save_wv;
save_wv = prev_wv;
prev_wv = 0;
i++;
}
else if (EQ (AREF (menu_items, i), Qlambda))
{
prev_wv = save_wv;
save_wv = submenu_stack[--submenu_depth];
i++;
}
else if (EQ (AREF (menu_items, i), Qt)
&& submenu_depth != 0)
i += MENU_ITEMS_PANE_LENGTH;
/* Ignore a nil in the item list.
It's meaningful only for dialog boxes. */
else if (EQ (AREF (menu_items, i), Qquote))
i += 1;
else if (EQ (AREF (menu_items, i), Qt))
{
/* Create a new pane. */
Lisp_Object pane_name;
const char *pane_string;
panes_seen = 1;
pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME);
/* TTY menus display menu items via tty_write_glyphs, which
will encode the strings as appropriate. */
if (!FRAME_TERMCAP_P (f))
{
#ifdef HAVE_NTGUI
if (STRINGP (pane_name))
{
if (unicode_append_menu)
/* Encode as UTF-8 for now. */
pane_name = ENCODE_UTF_8 (pane_name);
else if (STRING_MULTIBYTE (pane_name))
pane_name = ENCODE_SYSTEM (pane_name);
ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name);
}
#elif defined (USE_LUCID) && defined (HAVE_XFT)
if (STRINGP (pane_name))
{
pane_name = ENCODE_UTF_8 (pane_name);
ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name);
}
#elif !defined (HAVE_MULTILINGUAL_MENU)
if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name))
{
pane_name = ENCODE_MENU_STRING (pane_name);
ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name);
}
#endif
}
pane_string = (NILP (pane_name)
? "" : SSDATA (pane_name));
/* If there is just one top-level pane, put all its items directly
under the top-level menu. */
if (menu_items_n_panes == 1)
pane_string = "";
/* If the pane has a meaningful name,
make the pane a top-level menu item
with its items as a submenu beneath it. */
if (strcmp (pane_string, ""))
{
/* Set value to 1 so update_submenu_strings can handle '@'. */
wv = make_widget_value (NULL, (char *) 1, true, Qnil);
if (save_wv)
save_wv->next = wv;
else
first_wv->contents = wv;
wv->lname = pane_name;
wv->button_type = BUTTON_TYPE_NONE;
save_wv = wv;
}
else
save_wv = first_wv;
prev_wv = 0;
i += MENU_ITEMS_PANE_LENGTH;
}
else
{
/* Create a new item within current pane. */
Lisp_Object item_name, enable, descrip, def, type, selected;
Lisp_Object help;
/* All items should be contained in panes. */
if (! panes_seen)
emacs_abort ();
item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME);
enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE);
descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY);
def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION);
type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE);
selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED);
help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP);
/* TTY menu items and their descriptions will be encoded by
tty_write_glyphs. */
if (!FRAME_TERMCAP_P (f))
{
#ifdef HAVE_NTGUI
if (STRINGP (item_name))
{
if (unicode_append_menu)
item_name = ENCODE_UTF_8 (item_name);
else if (STRING_MULTIBYTE (item_name))
item_name = ENCODE_SYSTEM (item_name);
ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name);
}
if (STRINGP (descrip) && STRING_MULTIBYTE (descrip))
{
descrip = ENCODE_SYSTEM (descrip);
ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip);
}
#elif USE_LUCID
if (STRINGP (item_name))
{
item_name = ENCODE_UTF_8 (item_name);
ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name);
}
if (STRINGP (descrip))
{
descrip = ENCODE_UTF_8 (descrip);
ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip);
}
#elif !defined (HAVE_MULTILINGUAL_MENU)
if (STRING_MULTIBYTE (item_name))
{
item_name = ENCODE_MENU_STRING (item_name);
ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name);
}
if (STRINGP (descrip) && STRING_MULTIBYTE (descrip))
{
descrip = ENCODE_MENU_STRING (descrip);
ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip);
}
#endif
}
wv = make_widget_value (NULL, NULL, !NILP (enable),
STRINGP (help) ? help : Qnil);
if (prev_wv)
prev_wv->next = wv;
else
save_wv->contents = wv;
wv->lname = item_name;
if (!NILP (descrip))
wv->lkey = descrip;
/* The intptr_t cast avoids a warning. There's no problem
as long as pointers have enough bits to hold small integers. */
wv->call_data = (!NILP (def) ? (void *) (intptr_t) i : 0);
if (NILP (type))
wv->button_type = BUTTON_TYPE_NONE;
else if (EQ (type, QCradio))
wv->button_type = BUTTON_TYPE_RADIO;
else if (EQ (type, QCtoggle))
wv->button_type = BUTTON_TYPE_TOGGLE;
else
emacs_abort ();
wv->selected = !NILP (selected);
prev_wv = wv;
i += MENU_ITEMS_ITEM_LENGTH;
}
}
/* If we have just one "menu item"
that was originally a button, return it by itself. */
if (top_level_items && first_wv->contents && first_wv->contents->next == 0)
{
wv = first_wv;
first_wv = first_wv->contents;
xfree (wv);
}
SAFE_FREE ();
return first_wv;
}
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
}
