static void
extract_user_token(struct cparse_params *v, VALUE block_args,
VALUE *tok, VALUE *val)
{
if (NIL_P(block_args)) {
/* EOF */
*tok = Qfalse;
*val = rb_str_new("$", 1);
return;
}
if (TYPE(block_args) != T_ARRAY) {
rb_raise(rb_eTypeError,
"%s() %s %s (must be Array[2])",
v->lex_is_iterator ? rb_id2name(v->lexmid) : "next_token",
v->lex_is_iterator ? "yielded" : "returned",
rb_class2name(CLASS_OF(block_args)));
}
if (RARRAY_LEN(block_args) != 2) {
rb_raise(rb_eArgError,
"%s() %s wrong size of array (%ld for 2)",
v->lex_is_iterator ? rb_id2name(v->lexmid) : "next_token",
v->lex_is_iterator ? "yielded" : "returned",
RARRAY_LEN(block_args));
}
*tok = AREF(block_args, 0);
*val = AREF(block_args, 1);
}
static Lisp_Object
validate_coding_system (Lisp_Object coding_system)
{
Lisp_Object eol_type;
/* Make sure the input is valid. */
if (NILP (Fcoding_system_p (coding_system)))
return Qnil;
/* Make sure we use a DOS coding system as mandated by the system
specs. */
eol_type = Fcoding_system_eol_type (coding_system);
/* Already a DOS coding system? */
if (EQ (eol_type, make_number (1)))
return coding_system;
/* Get EOL_TYPE vector of the base of CODING_SYSTEM. */
if (!VECTORP (eol_type))
{
eol_type = Fcoding_system_eol_type (Fcoding_system_base (coding_system));
if (!VECTORP (eol_type))
return Qnil;
}
return AREF (eol_type, 1);
}
static emacs_value
module_vec_get (emacs_env *env, emacs_value vec, ptrdiff_t i)
{
MODULE_FUNCTION_BEGIN (module_nil);
Lisp_Object lvec = value_to_lisp (vec);
CHECK_VECTOR (lvec);
CHECK_RANGED_INTEGER (make_number (i), 0, ASIZE (lvec) - 1);
return lisp_to_value (AREF (lvec, i));
}
static int
xftfont_has_char (Lisp_Object font, int c)
{
struct xftfont_info *xftfont_info;
struct charset *cs = NULL;
if (EQ (AREF (font, FONT_ADSTYLE_INDEX), Qja)
&& charset_jisx0208 >= 0)
cs = CHARSET_FROM_ID (charset_jisx0208);
else if (EQ (AREF (font, FONT_ADSTYLE_INDEX), Qko)
&& charset_ksc5601 >= 0)
cs = CHARSET_FROM_ID (charset_ksc5601);
if (cs)
return (ENCODE_CHAR (cs, c) != CHARSET_INVALID_CODE (cs));
if (FONT_ENTITY_P (font))
return ftfont_driver.has_char (font, c);
xftfont_info = (struct xftfont_info *) XFONT_OBJECT (font);
return (XftCharExists (xftfont_info->display, xftfont_info->xftfont,
(FcChar32) c) == FcTrue);
}
/* As above, but return the menu selection instead of storing in kb buffer.
If KEYMAPS, return full prefixes to selection. */
Lisp_Object
find_and_return_menu_selection (struct frame *f, bool keymaps, void *client_data)
{
Lisp_Object prefix, entry;
int i;
Lisp_Object *subprefix_stack;
int submenu_depth = 0;
prefix = entry = Qnil;
i = 0;
subprefix_stack = alloca (menu_items_used * word_size);
while (i < menu_items_used)
{
if (EQ (AREF (menu_items, i), Qnil))
{
subprefix_stack[submenu_depth++] = prefix;
prefix = entry;
i++;
}
else if (EQ (AREF (menu_items, i), Qlambda))
{
prefix = subprefix_stack[--submenu_depth];
i++;
}
else if (EQ (AREF (menu_items, i), Qt))
{
prefix
= AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX);
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
{
entry
= AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE);
if (aref_addr (menu_items, i) == client_data)
{
if (keymaps)
{
int j;
entry = list1 (entry);
if (!NILP (prefix))
entry = Fcons (prefix, entry);
for (j = submenu_depth - 1; j >= 0; j--)
if (!NILP (subprefix_stack[j]))
entry = Fcons (subprefix_stack[j], entry);
}
return entry;
}
i += MENU_ITEMS_ITEM_LENGTH;
}
}
return Qnil;
}
static void
xftfont_add_rendering_parameters (FcPattern *pat, Lisp_Object entity)
{
Lisp_Object tail;
int ival;
for (tail = AREF (entity, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail))
{
Lisp_Object key = XCAR (XCAR (tail));
Lisp_Object val = XCDR (XCAR (tail));
if (EQ (key, QCantialias))
FcPatternAddBool (pat, FC_ANTIALIAS, NILP (val) ? FcFalse : FcTrue);
else if (EQ (key, QChinting))
FcPatternAddBool (pat, FC_HINTING, NILP (val) ? FcFalse : FcTrue);
else if (EQ (key, QCautohint))
FcPatternAddBool (pat, FC_AUTOHINT, NILP (val) ? FcFalse : FcTrue);
else if (EQ (key, QChintstyle))
{
if (INTEGERP (val))
FcPatternAddInteger (pat, FC_HINT_STYLE, XINT (val));
else if (SYMBOLP (val)
&& FcNameConstant (SDATA (SYMBOL_NAME (val)), &ival))
FcPatternAddInteger (pat, FC_HINT_STYLE, ival);
}
else if (EQ (key, QCrgba))
{
if (INTEGERP (val))
FcPatternAddInteger (pat, FC_RGBA, XINT (val));
else if (SYMBOLP (val)
&& FcNameConstant (SDATA (SYMBOL_NAME (val)), &ival))
FcPatternAddInteger (pat, FC_RGBA, ival);
}
else if (EQ (key, QClcdfilter))
{
if (INTEGERP (val))
FcPatternAddInteger (pat, FC_LCD_FILTER, ival = XINT (val));
else if (SYMBOLP (val)
&& FcNameConstant (SDATA (SYMBOL_NAME (val)), &ival))
FcPatternAddInteger (pat, FC_LCD_FILTER, ival);
}
#ifdef FC_EMBOLDEN
else if (EQ (key, QCembolden))
FcPatternAddBool (pat, FC_EMBOLDEN, NILP (val) ? FcFalse : FcTrue);
#endif
}
}
static emacs_value
module_vec_get (emacs_env *env, emacs_value vec, ptrdiff_t i)
{
MODULE_FUNCTION_BEGIN (module_nil);
Lisp_Object lvec = value_to_lisp (vec);
if (! VECTORP (lvec))
{
module_wrong_type (env, Qvectorp, lvec);
return module_nil;
}
if (! (0 <= i && i < ASIZE (lvec)))
{
if (MOST_NEGATIVE_FIXNUM <= i && i <= MOST_POSITIVE_FIXNUM)
module_args_out_of_range (env, lvec, make_number (i));
else
module_non_local_exit_signal_1 (env, Qoverflow_error, Qnil);
return module_nil;
}
return lisp_to_value (AREF (lvec, i));
}
static Lisp_Object
w32_dialog_show (struct frame *f, Lisp_Object title,
Lisp_Object header, char **error)
{
int i, nb_buttons = 0;
char dialog_name[6];
int menu_item_selection;
widget_value *wv, *first_wv = 0, *prev_wv = 0;
/* Number of elements seen so far, before boundary. */
int left_count = 0;
/* true means we've seen the boundary between left-hand elts and
right-hand. */
bool boundary_seen = false;
*error = NULL;
if (menu_items_n_panes > 1)
{
*error = "Multiple panes in dialog box";
return Qnil;
}
/* Create a tree of widget_value objects
representing the text label and buttons. */
{
Lisp_Object pane_name;
char *pane_string;
pane_name = AREF (menu_items, MENU_ITEMS_PANE_NAME);
pane_string = (NILP (pane_name)
? "" : SSDATA (pane_name));
prev_wv = make_widget_value ("message", pane_string, true, Qnil);
first_wv = prev_wv;
/* Loop over all panes and items, filling in the tree. */
i = MENU_ITEMS_PANE_LENGTH;
while (i < menu_items_used)
{
/* Create a new item within current pane. */
Lisp_Object item_name, enable, descrip, help;
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);
help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP);
if (NILP (item_name))
{
free_menubar_widget_value_tree (first_wv);
*error = "Submenu in dialog items";
return Qnil;
}
if (EQ (item_name, Qquote))
{
/* This is the boundary between left-side elts
and right-side elts. Stop incrementing right_count. */
boundary_seen = true;
i++;
continue;
}
if (nb_buttons >= 9)
{
free_menubar_widget_value_tree (first_wv);
*error = "Too many dialog items";
return Qnil;
}
wv = make_widget_value (button_names[nb_buttons],
SSDATA (item_name),
!NILP (enable), Qnil);
prev_wv->next = wv;
if (!NILP (descrip))
wv->key = SSDATA (descrip);
wv->call_data = aref_addr (menu_items, i);
prev_wv = wv;
if (! boundary_seen)
left_count++;
nb_buttons++;
i += MENU_ITEMS_ITEM_LENGTH;
}
/* If the boundary was not specified,
by default put half on the left and half on the right. */
if (! boundary_seen)
left_count = nb_buttons - nb_buttons / 2;
wv = make_widget_value (dialog_name, NULL, false, Qnil);
/* Frame title: 'Q' = Question, 'I' = Information.
Can also have 'E' = Error if, one day, we want
a popup for errors. */
if (NILP (header))
dialog_name[0] = 'Q';
else
dialog_name[0] = 'I';
/* Dialog boxes use a really stupid name encoding
which specifies how many buttons to use
and how many buttons are on the right. */
dialog_name[1] = '0' + nb_buttons;
dialog_name[2] = 'B';
dialog_name[3] = 'R';
/* Number of buttons to put on the right. */
dialog_name[4] = '0' + nb_buttons - left_count;
dialog_name[5] = 0;
wv->contents = first_wv;
first_wv = wv;
}
/* Actually create the dialog. */
dialog_id = widget_id_tick++;
menu = lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv,
f->output_data.w32->widget, true, 0,
dialog_selection_callback, 0);
lw_modify_all_widgets (dialog_id, first_wv->contents, TRUE);
/* Free the widget_value objects we used to specify the contents. */
free_menubar_widget_value_tree (first_wv);
/* No selection has been chosen yet. */
menu_item_selection = 0;
/* Display the menu. */
lw_pop_up_all_widgets (dialog_id);
/* Process events that apply to the menu. */
popup_get_selection ((XEvent *) 0, FRAME_DISPLAY_INFO (f), dialog_id);
lw_destroy_all_widgets (dialog_id);
/* Find the selected item, and its pane, to return
the proper value. */
if (menu_item_selection != 0)
{
i = 0;
while (i < menu_items_used)
{
Lisp_Object entry;
if (EQ (AREF (menu_items, i), Qt))
i += MENU_ITEMS_PANE_LENGTH;
else
{
entry = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE);
if (menu_item_selection == i)
return entry;
i += MENU_ITEMS_ITEM_LENGTH;
}
}
}
else
/* Make "Cancel" equivalent to C-g. */
Fsignal (Qquit, Qnil);
return Qnil;
}
Lisp_Object
w32_menu_show (struct frame *f, int x, int y, int menuflags,
Lisp_Object title, const char **error)
{
int i;
int menu_item_selection;
HMENU menu;
POINT pos;
widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0;
widget_value **submenu_stack
= (widget_value **) alloca (menu_items_used * sizeof (widget_value *));
Lisp_Object *subprefix_stack
= (Lisp_Object *) alloca (menu_items_used * word_size);
int submenu_depth = 0;
bool first_pane;
*error = NULL;
if (menu_items_n_panes == 0)
return Qnil;
if (menu_items_used <= MENU_ITEMS_PANE_LENGTH)
{
*error = "Empty menu";
return Qnil;
}
block_input ();
/* Create a tree of widget_value objects
representing the panes and their items. */
wv = make_widget_value ("menu", NULL, true, Qnil);
wv->button_type = BUTTON_TYPE_NONE;
first_wv = wv;
first_pane = true;
/* Loop over all panes and items, filling in the tree. */
i = 0;
while (i < menu_items_used)
{
if (EQ (AREF (menu_items, i), Qnil))
{
submenu_stack[submenu_depth++] = save_wv;
save_wv = prev_wv;
prev_wv = 0;
first_pane = false;
i++;
}
else if (EQ (AREF (menu_items, i), Qlambda))
{
prev_wv = save_wv;
save_wv = submenu_stack[--submenu_depth];
first_pane = false;
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, prefix;
const char *pane_string;
pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME);
prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX);
if (STRINGP (pane_name))
{
if (unicode_append_menu)
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);
}
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 (!(menuflags & MENU_KEYMAPS) && strcmp (pane_string, ""))
{
wv = make_widget_value (pane_string, NULL, true, Qnil);
if (save_wv)
save_wv->next = wv;
else
first_wv->contents = wv;
if ((menuflags & MENU_KEYMAPS) && !NILP (prefix))
wv->name++;
wv->button_type = BUTTON_TYPE_NONE;
save_wv = wv;
prev_wv = 0;
}
else if (first_pane)
{
save_wv = wv;
prev_wv = 0;
}
first_pane = false;
i += MENU_ITEMS_PANE_LENGTH;
}
else
{
/* Create a new item within current pane. */
Lisp_Object item_name, enable, descrip, def, type, selected, help;
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);
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);
}
wv = make_widget_value (SSDATA (item_name), NULL, !NILP (enable),
STRINGP (help) ? help : Qnil);
if (prev_wv)
prev_wv->next = wv;
else
save_wv->contents = wv;
if (!NILP (descrip))
wv->key = SSDATA (descrip);
/* Use the contents index as call_data, since we are
restricted to 16-bits. */
wv->call_data = !NILP (def) ? (void *) (UINT_PTR) i : 0;
if (NILP (type))
wv->button_type = BUTTON_TYPE_NONE;
else if (EQ (type, QCtoggle))
wv->button_type = BUTTON_TYPE_TOGGLE;
else if (EQ (type, QCradio))
wv->button_type = BUTTON_TYPE_RADIO;
else
emacs_abort ();
wv->selected = !NILP (selected);
prev_wv = wv;
i += MENU_ITEMS_ITEM_LENGTH;
}
}
/* Deal with the title, if it is non-nil. */
if (!NILP (title))
{
widget_value *wv_title;
widget_value *wv_sep = make_widget_value ("--", NULL, false, Qnil);
/* Maybe replace this separator with a bitmap or owner-draw item
so that it looks better. Having two separators looks odd. */
wv_sep->next = first_wv->contents;
if (unicode_append_menu)
title = ENCODE_UTF_8 (title);
else if (STRING_MULTIBYTE (title))
title = ENCODE_SYSTEM (title);
wv_title = make_widget_value (SSDATA (title), NULL, true, Qnil);
wv_title->title = TRUE;
wv_title->button_type = BUTTON_TYPE_NONE;
wv_title->next = wv_sep;
first_wv->contents = wv_title;
}
/* No selection has been chosen yet. */
menu_item_selection = 0;
/* Actually create the menu. */
current_popup_menu = menu = CreatePopupMenu ();
fill_in_menu (menu, first_wv->contents);
/* Adjust coordinates to be root-window-relative. */
pos.x = x;
pos.y = y;
ClientToScreen (FRAME_W32_WINDOW (f), &pos);
/* Display the menu. */
menu_item_selection = SendMessage (FRAME_W32_WINDOW (f),
WM_EMACS_TRACKPOPUPMENU,
(WPARAM)menu, (LPARAM)&pos);
/* Clean up extraneous mouse events which might have been generated
during the call. */
discard_mouse_events ();
FRAME_DISPLAY_INFO (f)->grabbed = 0;
/* Free the widget_value objects we used to specify the contents. */
free_menubar_widget_value_tree (first_wv);
DestroyMenu (menu);
/* Free the owner-drawn and help-echo menu strings. */
w32_free_menu_strings (FRAME_W32_WINDOW (f));
f->output_data.w32->menubar_active = 0;
/* Find the selected item, and its pane, to return
the proper value. */
if (menu_item_selection != 0)
{
Lisp_Object prefix, entry;
prefix = entry = Qnil;
i = 0;
while (i < menu_items_used)
{
if (EQ (AREF (menu_items, i), Qnil))
{
subprefix_stack[submenu_depth++] = prefix;
prefix = entry;
i++;
}
else if (EQ (AREF (menu_items, i), Qlambda))
{
prefix = subprefix_stack[--submenu_depth];
i++;
}
else if (EQ (AREF (menu_items, i), Qt))
{
prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX);
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
{
entry = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE);
if (menu_item_selection == i)
{
if (menuflags & MENU_KEYMAPS)
{
int j;
entry = Fcons (entry, Qnil);
if (!NILP (prefix))
entry = Fcons (prefix, entry);
for (j = submenu_depth - 1; j >= 0; j--)
if (!NILP (subprefix_stack[j]))
entry = Fcons (subprefix_stack[j], entry);
}
unblock_input ();
return entry;
}
i += MENU_ITEMS_ITEM_LENGTH;
}
}
}
else if (!(menuflags & MENU_FOR_CLICK))
{
unblock_input ();
/* Make "Cancel" equivalent to C-g. */
Fsignal (Qquit, Qnil);
}
unblock_input ();
return Qnil;
}
void
set_frame_menubar (struct frame *f, bool first_time, bool deep_p)
{
HMENU menubar_widget = f->output_data.w32->menubar_widget;
Lisp_Object items;
widget_value *wv, *first_wv, *prev_wv = 0;
int i, last_i;
int *submenu_start, *submenu_end;
int *submenu_top_level_items, *submenu_n_panes;
/* We must not change the menubar when actually in use. */
if (f->output_data.w32->menubar_active)
return;
XSETFRAME (Vmenu_updating_frame, f);
if (! menubar_widget)
deep_p = true;
if (deep_p)
{
/* Make a widget-value tree representing the entire menu trees. */
struct buffer *prev = current_buffer;
Lisp_Object buffer;
ptrdiff_t specpdl_count = SPECPDL_INDEX ();
int previous_menu_items_used = f->menu_bar_items_used;
Lisp_Object *previous_items
= (Lisp_Object *) alloca (previous_menu_items_used
* word_size);
/* If we are making a new widget, its contents are empty,
do always reinitialize them. */
if (! menubar_widget)
previous_menu_items_used = 0;
buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->contents;
specbind (Qinhibit_quit, Qt);
/* Don't let the debugger step into this code
because it is not reentrant. */
specbind (Qdebug_on_next_call, Qnil);
record_unwind_save_match_data ();
if (NILP (Voverriding_local_map_menu_flag))
{
specbind (Qoverriding_terminal_local_map, Qnil);
specbind (Qoverriding_local_map, Qnil);
}
set_buffer_internal_1 (XBUFFER (buffer));
/* Run the hooks. */
safe_run_hooks (Qactivate_menubar_hook);
safe_run_hooks (Qmenu_bar_update_hook);
fset_menu_bar_items (f, menu_bar_items (FRAME_MENU_BAR_ITEMS (f)));
items = FRAME_MENU_BAR_ITEMS (f);
/* Save the frame's previous menu bar contents data. */
if (previous_menu_items_used)
memcpy (previous_items, XVECTOR (f->menu_bar_vector)->contents,
previous_menu_items_used * word_size);
/* Fill in menu_items with the current menu bar contents.
This can evaluate Lisp code. */
save_menu_items ();
menu_items = f->menu_bar_vector;
menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0;
submenu_start = (int *) alloca (ASIZE (items) * sizeof (int));
submenu_end = (int *) alloca (ASIZE (items) * sizeof (int));
submenu_n_panes = (int *) alloca (ASIZE (items) * sizeof (int));
submenu_top_level_items = (int *) alloca (ASIZE (items) * sizeof (int));
init_menu_items ();
for (i = 0; i < ASIZE (items); i += 4)
{
Lisp_Object key, string, maps;
last_i = i;
key = AREF (items, i);
string = AREF (items, i + 1);
maps = AREF (items, i + 2);
if (NILP (string))
break;
submenu_start[i] = menu_items_used;
menu_items_n_panes = 0;
submenu_top_level_items[i]
= parse_single_submenu (key, string, maps);
submenu_n_panes[i] = menu_items_n_panes;
submenu_end[i] = menu_items_used;
}
finish_menu_items ();
/* Convert menu_items into widget_value trees
to display the menu. This cannot evaluate Lisp code. */
wv = make_widget_value ("menubar", NULL, true, Qnil);
wv->button_type = BUTTON_TYPE_NONE;
first_wv = wv;
for (i = 0; i < last_i; i += 4)
{
menu_items_n_panes = submenu_n_panes[i];
wv = digest_single_submenu (submenu_start[i], submenu_end[i],
submenu_top_level_items[i]);
if (prev_wv)
prev_wv->next = wv;
else
first_wv->contents = wv;
/* Don't set wv->name here; GC during the loop might relocate it. */
wv->enabled = true;
wv->button_type = BUTTON_TYPE_NONE;
prev_wv = wv;
}
set_buffer_internal_1 (prev);
/* If there has been no change in the Lisp-level contents
of the menu bar, skip redisplaying it. Just exit. */
for (i = 0; i < previous_menu_items_used; i++)
if (menu_items_used == i
|| (!EQ (previous_items[i], AREF (menu_items, i))))
break;
if (i == menu_items_used && i == previous_menu_items_used && i != 0)
{
free_menubar_widget_value_tree (first_wv);
discard_menu_items ();
unbind_to (specpdl_count, Qnil);
return;
}
fset_menu_bar_vector (f, menu_items);
f->menu_bar_items_used = menu_items_used;
/* This undoes save_menu_items. */
unbind_to (specpdl_count, Qnil);
/* Now GC cannot happen during the lifetime of the widget_value,
so it's safe to store data from a Lisp_String, as long as
local copies are made when the actual menu is created.
Windows takes care of this for normal string items, but
not for owner-drawn items or additional item-info. */
wv = first_wv->contents;
for (i = 0; i < ASIZE (items); i += 4)
{
Lisp_Object string;
string = AREF (items, i + 1);
if (NILP (string))
break;
wv->name = SSDATA (string);
update_submenu_strings (wv->contents);
wv = wv->next;
}
}
else
{
/* Make a widget-value tree containing
just the top level menu bar strings. */
wv = make_widget_value ("menubar", NULL, true, Qnil);
wv->button_type = BUTTON_TYPE_NONE;
first_wv = wv;
items = FRAME_MENU_BAR_ITEMS (f);
for (i = 0; i < ASIZE (items); i += 4)
{
Lisp_Object string;
string = AREF (items, i + 1);
if (NILP (string))
break;
wv = make_widget_value (SSDATA (string), NULL, true, Qnil);
wv->button_type = BUTTON_TYPE_NONE;
/* This prevents lwlib from assuming this
menu item is really supposed to be empty. */
/* The EMACS_INT cast avoids a warning.
This value just has to be different from small integers. */
wv->call_data = (void *) (EMACS_INT) (-1);
if (prev_wv)
prev_wv->next = wv;
else
first_wv->contents = wv;
prev_wv = wv;
}
/* Forget what we thought we knew about what is in the
detailed contents of the menu bar menus.
Changing the top level always destroys the contents. */
f->menu_bar_items_used = 0;
}
/* Create or update the menu bar widget. */
block_input ();
if (menubar_widget)
{
/* Empty current menubar, rather than creating a fresh one. */
while (DeleteMenu (menubar_widget, 0, MF_BYPOSITION))
;
}
else
{
menubar_widget = CreateMenu ();
}
fill_in_menu (menubar_widget, first_wv->contents);
free_menubar_widget_value_tree (first_wv);
{
HMENU old_widget = f->output_data.w32->menubar_widget;
f->output_data.w32->menubar_widget = menubar_widget;
SetMenu (FRAME_W32_WINDOW (f), f->output_data.w32->menubar_widget);
/* Causes flicker when menu bar is updated
DrawMenuBar (FRAME_W32_WINDOW (f)); */
/* Force the window size to be recomputed so that the frame's text
area remains the same, if menubar has just been created. */
if (old_widget == NULL)
{
windows_or_buffers_changed = 23;
adjust_frame_size (f, -1, -1, 2, false, Qmenu_bar_lines);
}
}
unblock_input ();
}
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 Lisp_Object
xftfont_open (struct frame *f, Lisp_Object entity, int pixel_size)
{
FcResult result;
Display *display = FRAME_X_DISPLAY (f);
Lisp_Object val, filename, idx, font_object;
FcPattern *pat = NULL, *match;
struct xftfont_info *xftfont_info = NULL;
struct font *font;
double size = 0;
XftFont *xftfont = NULL;
int spacing;
char name[256];
int len, i;
XGlyphInfo extents;
FT_Face ft_face;
FcMatrix *matrix;
val = assq_no_quit (QCfont_entity, AREF (entity, FONT_EXTRA_INDEX));
if (! CONSP (val))
return Qnil;
val = XCDR (val);
filename = XCAR (val);
idx = XCDR (val);
size = XINT (AREF (entity, FONT_SIZE_INDEX));
if (size == 0)
size = pixel_size;
pat = FcPatternCreate ();
FcPatternAddInteger (pat, FC_WEIGHT, FONT_WEIGHT_NUMERIC (entity));
i = FONT_SLANT_NUMERIC (entity) - 100;
if (i < 0) i = 0;
FcPatternAddInteger (pat, FC_SLANT, i);
FcPatternAddInteger (pat, FC_WIDTH, FONT_WIDTH_NUMERIC (entity));
FcPatternAddDouble (pat, FC_PIXEL_SIZE, pixel_size);
val = AREF (entity, FONT_FAMILY_INDEX);
if (! NILP (val))
FcPatternAddString (pat, FC_FAMILY, (FcChar8 *) SDATA (SYMBOL_NAME (val)));
val = AREF (entity, FONT_FOUNDRY_INDEX);
if (! NILP (val))
FcPatternAddString (pat, FC_FOUNDRY, (FcChar8 *) SDATA (SYMBOL_NAME (val)));
val = AREF (entity, FONT_SPACING_INDEX);
if (! NILP (val))
FcPatternAddInteger (pat, FC_SPACING, XINT (val));
val = AREF (entity, FONT_DPI_INDEX);
if (! NILP (val))
{
double dbl = XINT (val);
FcPatternAddDouble (pat, FC_DPI, dbl);
}
val = AREF (entity, FONT_AVGWIDTH_INDEX);
if (INTEGERP (val) && XINT (val) == 0)
FcPatternAddBool (pat, FC_SCALABLE, FcTrue);
/* This is necessary to identify the exact font (e.g. 10x20.pcf.gz
over 10x20-ISO8859-1.pcf.gz). */
FcPatternAddCharSet (pat, FC_CHARSET, ftfont_get_fc_charset (entity));
xftfont_add_rendering_parameters (pat, entity);
FcPatternAddString (pat, FC_FILE, (FcChar8 *) SDATA (filename));
FcPatternAddInteger (pat, FC_INDEX, XINT (idx));
block_input ();
/* Make sure that the Xrender extension is added before the Xft one.
Otherwise, the close-display hook set by Xft is called after the
one for Xrender, and the former tries to re-add the latter. This
results in inconsistency of internal states and leads to X
protocol error when one reconnects to the same X server.
(Bug#1696) */
{
int event_base, error_base;
XRenderQueryExtension (display, &event_base, &error_base);
}
/* Substitute in values from X resources and XftDefaultSet. */
XftDefaultSubstitute (display, FRAME_X_SCREEN_NUMBER (f), pat);
match = XftFontMatch (display, FRAME_X_SCREEN_NUMBER (f), pat, &result);
xftfont_fix_match (pat, match);
FcPatternDestroy (pat);
xftfont = XftFontOpenPattern (display, match);
if (!xftfont)
{
unblock_input ();
XftPatternDestroy (match);
return Qnil;
}
ft_face = XftLockFace (xftfont);
unblock_input ();
/* We should not destroy PAT here because it is kept in XFTFONT and
destroyed automatically when XFTFONT is closed. */
font_object = font_make_object (VECSIZE (struct xftfont_info), entity, size);
ASET (font_object, FONT_TYPE_INDEX, Qxft);
len = font_unparse_xlfd (entity, size, name, 256);
if (len > 0)
ASET (font_object, FONT_NAME_INDEX, make_string (name, len));
len = font_unparse_fcname (entity, size, name, 256);
if (len > 0)
ASET (font_object, FONT_FULLNAME_INDEX, make_string (name, len));
else
ASET (font_object, FONT_FULLNAME_INDEX,
AREF (font_object, FONT_NAME_INDEX));
ASET (font_object, FONT_FILE_INDEX, filename);
ASET (font_object, FONT_FORMAT_INDEX,
ftfont_font_format (xftfont->pattern, filename));
font = XFONT_OBJECT (font_object);
font->pixel_size = size;
font->driver = &xftfont_driver;
font->encoding_charset = font->repertory_charset = -1;
xftfont_info = (struct xftfont_info *) font;
xftfont_info->display = display;
xftfont_info->xftfont = xftfont;
/* This means that there's no need of transformation. */
xftfont_info->matrix.xx = 0;
if (FcPatternGetMatrix (xftfont->pattern, FC_MATRIX, 0, &matrix)
== FcResultMatch)
{
xftfont_info->matrix.xx = 0x10000L * matrix->xx;
xftfont_info->matrix.yy = 0x10000L * matrix->yy;
xftfont_info->matrix.xy = 0x10000L * matrix->xy;
xftfont_info->matrix.yx = 0x10000L * matrix->yx;
}
if (INTEGERP (AREF (entity, FONT_SPACING_INDEX)))
spacing = XINT (AREF (entity, FONT_SPACING_INDEX));
else
spacing = FC_PROPORTIONAL;
if (! ascii_printable[0])
{
int ch;
for (ch = 0; ch < 95; ch++)
ascii_printable[ch] = ' ' + ch;
}
block_input ();
/* Unfortunately Xft doesn't provide a way to get minimum char
width. So, we set min_width to space_width. */
if (spacing != FC_PROPORTIONAL
#ifdef FC_DUAL
&& spacing != FC_DUAL
#endif /* FC_DUAL */
)
{
font->min_width = font->max_width = font->average_width
= font->space_width = xftfont->max_advance_width;
XftTextExtents8 (display, xftfont, ascii_printable + 1, 94, &extents);
}
else
{
XftTextExtents8 (display, xftfont, ascii_printable, 1, &extents);
font->min_width = font->max_width = font->space_width
= extents.xOff;
if (font->space_width <= 0)
/* dirty workaround */
font->space_width = pixel_size;
XftTextExtents8 (display, xftfont, ascii_printable + 1, 94, &extents);
font->average_width = (font->space_width + extents.xOff) / 95;
}
unblock_input ();
font->ascent = xftfont->ascent;
font->descent = xftfont->descent;
if (pixel_size >= 5)
{
/* The above condition is a dirty workaround because
XftTextExtents8 behaves strangely for some fonts
(e.g. "Dejavu Sans Mono") when pixel_size is less than 5. */
if (font->ascent < extents.y)
font->ascent = extents.y;
if (font->descent < extents.height - extents.y)
font->descent = extents.height - extents.y;
}
font->height = font->ascent + font->descent;
if (XINT (AREF (entity, FONT_SIZE_INDEX)) == 0)
{
int upEM = ft_face->units_per_EM;
font->underline_position = -ft_face->underline_position * size / upEM;
font->underline_thickness = ft_face->underline_thickness * size / upEM;
if (font->underline_thickness > 2)
font->underline_position -= font->underline_thickness / 2;
}
else
{
font->underline_position = -1;
font->underline_thickness = 0;
}
#ifdef HAVE_LIBOTF
xftfont_info->maybe_otf = (ft_face->face_flags & FT_FACE_FLAG_SFNT) != 0;
xftfont_info->otf = NULL;
#endif /* HAVE_LIBOTF */
xftfont_info->ft_size = ft_face->size;
font->baseline_offset = 0;
font->relative_compose = 0;
font->default_ascent = 0;
font->vertical_centering = 0;
#ifdef FT_BDF_H
if (! (ft_face->face_flags & FT_FACE_FLAG_SFNT))
{
BDF_PropertyRec rec;
if (FT_Get_BDF_Property (ft_face, "_MULE_BASELINE_OFFSET", &rec) == 0
&& rec.type == BDF_PROPERTY_TYPE_INTEGER)
font->baseline_offset = rec.u.integer;
if (FT_Get_BDF_Property (ft_face, "_MULE_RELATIVE_COMPOSE", &rec) == 0
&& rec.type == BDF_PROPERTY_TYPE_INTEGER)
font->relative_compose = rec.u.integer;
if (FT_Get_BDF_Property (ft_face, "_MULE_DEFAULT_ASCENT", &rec) == 0
&& rec.type == BDF_PROPERTY_TYPE_INTEGER)
font->default_ascent = rec.u.integer;
}
#endif
return font_object;
}
widget_value *
digest_single_submenu (int start, int end, int top_level_items)
{
widget_value *wv, *prev_wv, *save_wv, *first_wv;
int i;
int submenu_depth = 0;
widget_value **submenu_stack;
int panes_seen = 0;
submenu_stack
= (widget_value **) alloca (menu_items_used * sizeof (widget_value *));
wv = xmalloc_widget_value ();
wv->name = "menu";
wv->value = 0;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
wv->help = Qnil;
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 (XVECTOR (menu_items)->contents[i], Qnil))
{
submenu_stack[submenu_depth++] = save_wv;
save_wv = prev_wv;
prev_wv = 0;
i++;
}
else if (EQ (XVECTOR (menu_items)->contents[i], Qlambda))
{
prev_wv = save_wv;
save_wv = submenu_stack[--submenu_depth];
i++;
}
else if (EQ (XVECTOR (menu_items)->contents[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 (XVECTOR (menu_items)->contents[i], Qquote))
i += 1;
else if (EQ (XVECTOR (menu_items)->contents[i], Qt))
{
/* Create a new pane. */
Lisp_Object pane_name, prefix;
const char *pane_string;
panes_seen++;
pane_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_NAME];
prefix = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX];
#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)
? "" : (char *) SDATA (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, ""))
{
wv = xmalloc_widget_value ();
if (save_wv)
save_wv->next = wv;
else
first_wv->contents = wv;
wv->lname = pane_name;
/* Set value to 1 so update_submenu_strings can handle '@' */
wv->value = (char *)1;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
wv->help = Qnil;
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 == 0)
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);
#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 = xmalloc_widget_value ();
if (prev_wv)
prev_wv->next = wv;
else
save_wv->contents = wv;
wv->lname = item_name;
if (!NILP (descrip))
wv->lkey = descrip;
wv->value = 0;
/* The EMACS_INT 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 *) (EMACS_INT) i : 0);
wv->enabled = !NILP (enable);
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
abort ();
wv->selected = !NILP (selected);
if (! STRINGP (help))
help = Qnil;
wv->help = help;
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->contents;
free_widget_value (first_wv);
return wv;
}
return first_wv;
}
static VALUE
reduce0(VALUE val, VALUE data, VALUE self)
{
struct cparse_params *v;
VALUE reduce_to, reduce_len, method_id;
long len;
ID mid;
VALUE tmp, tmp_t = Qundef, tmp_v = Qundef;
long i, k1, k2;
VALUE goto_state;
Data_Get_Struct(data, struct cparse_params, v);
reduce_len = RARRAY_PTR(v->reduce_table)[v->ruleno];
reduce_to = RARRAY_PTR(v->reduce_table)[v->ruleno+1];
method_id = RARRAY_PTR(v->reduce_table)[v->ruleno+2];
len = NUM2LONG(reduce_len);
mid = value_to_id(method_id);
/* call action */
if (len == 0) {
tmp = Qnil;
if (mid != id_noreduce)
tmp_v = rb_ary_new();
if (v->debug)
tmp_t = rb_ary_new();
}
else {
if (mid != id_noreduce) {
tmp_v = GET_TAIL(v->vstack, len);
tmp = RARRAY_PTR(tmp_v)[0];
}
else {
tmp = RARRAY_PTR(v->vstack)[ RARRAY_LEN(v->vstack) - len ];
}
CUT_TAIL(v->vstack, len);
if (v->debug) {
tmp_t = GET_TAIL(v->tstack, len);
CUT_TAIL(v->tstack, len);
}
CUT_TAIL(v->state, len);
}
if (mid != id_noreduce) {
if (v->use_result_var) {
tmp = rb_funcall(v->parser, mid,
3, tmp_v, v->vstack, tmp);
}
else {
tmp = rb_funcall(v->parser, mid,
2, tmp_v, v->vstack);
}
}
/* then push result */
PUSH(v->vstack, tmp);
if (v->debug) {
PUSH(v->tstack, reduce_to);
rb_funcall(v->parser, id_d_reduce,
4, tmp_t, reduce_to, v->tstack, v->vstack);
}
/* calculate transition state */
if (RARRAY_LEN(v->state) == 0)
rb_raise(RaccBug, "state stack unexpectedly empty");
k2 = num_to_long(LAST_I(v->state));
k1 = num_to_long(reduce_to) - v->nt_base;
D_printf("(goto) k1=%ld\n", k1);
D_printf("(goto) k2=%ld\n", k2);
tmp = AREF(v->goto_pointer, k1);
if (NIL_P(tmp)) goto notfound;
i = NUM2LONG(tmp) + k2;
D_printf("(goto) i=%ld\n", i);
if (i < 0) goto notfound;
goto_state = AREF(v->goto_table, i);
if (NIL_P(goto_state)) {
D_puts("(goto) table[i] == nil");
goto notfound;
}
D_printf("(goto) table[i]=%ld (goto_state)\n", NUM2LONG(goto_state));
tmp = AREF(v->goto_check, i);
if (NIL_P(tmp)) {
D_puts("(goto) check[i] == nil");
goto notfound;
}
if (tmp != LONG2NUM(k1)) {
D_puts("(goto) check[i] != table[i]");
goto notfound;
}
D_printf("(goto) check[i]=%ld\n", NUM2LONG(tmp));
D_puts("(goto) found");
transit:
PUSH(v->state, goto_state);
v->curstate = NUM2LONG(goto_state);
return INT2FIX(0);
notfound:
D_puts("(goto) not found: use default");
/* overwrite `goto-state' by default value */
goto_state = AREF(v->goto_default, k1);
goto transit;
}
static void
parse_main(struct cparse_params *v, VALUE tok, VALUE val, int resume)
{
long i; /* table index */
long act; /* action type */
VALUE act_value; /* action type, VALUE version */
int read_next = 1; /* true if we need to read next token */
VALUE tmp;
if (resume)
goto resume;
while (1) {
D_puts("");
D_puts("---- enter new loop ----");
D_puts("");
D_printf("(act) k1=%ld\n", v->curstate);
tmp = AREF(v->action_pointer, v->curstate);
if (NIL_P(tmp)) goto notfound;
D_puts("(act) pointer[k1] ok");
i = NUM2LONG(tmp);
D_printf("read_next=%d\n", read_next);
if (read_next && (v->t != vFINAL_TOKEN)) {
if (v->lex_is_iterator) {
D_puts("resuming...");
if (v->fin) rb_raise(rb_eArgError, "token given after EOF");
v->i = i; /* save i */
return;
resume:
D_puts("resumed");
i = v->i; /* load i */
}
else {
D_puts("next_token");
tmp = rb_funcall(v->parser, id_nexttoken, 0);
extract_user_token(v, tmp, &tok, &val);
}
/* convert token */
v->t = rb_hash_aref(v->token_table, tok);
if (NIL_P(v->t)) {
v->t = vERROR_TOKEN;
}
D_printf("(act) t(k2)=%ld\n", NUM2LONG(v->t));
if (v->debug) {
rb_funcall(v->parser, id_d_read_token,
3, v->t, tok, val);
}
}
read_next = 0;
i += NUM2LONG(v->t);
D_printf("(act) i=%ld\n", i);
if (i < 0) goto notfound;
act_value = AREF(v->action_table, i);
if (NIL_P(act_value)) goto notfound;
act = NUM2LONG(act_value);
D_printf("(act) table[i]=%ld\n", act);
tmp = AREF(v->action_check, i);
if (NIL_P(tmp)) goto notfound;
if (NUM2LONG(tmp) != v->curstate) goto notfound;
D_printf("(act) check[i]=%ld\n", NUM2LONG(tmp));
D_puts("(act) found");
act_fixed:
D_printf("act=%ld\n", act);
goto handle_act;
notfound:
D_puts("(act) not found: use default");
act_value = AREF(v->action_default, v->curstate);
act = NUM2LONG(act_value);
goto act_fixed;
handle_act:
if (act > 0 && act < v->shift_n) {
D_puts("shift");
if (v->errstatus > 0) {
v->errstatus--;
rb_ivar_set(v->parser, id_errstatus, LONG2NUM(v->errstatus));
}
SHIFT(v, act, v->t, val);
read_next = 1;
}
else if (act < 0 && act > -(v->reduce_n)) {
D_puts("reduce");
REDUCE(v, act);
}
else if (act == -(v->reduce_n)) {
goto error;
error_recovered:
; /* goto label requires stmt */
}
else if (act == v->shift_n) {
D_puts("accept");
goto accept;
}
else {
rb_raise(RaccBug, "[Racc Bug] unknown act value %ld", act);
}
if (v->debug) {
rb_funcall(v->parser, id_d_next_state,
2, LONG2NUM(v->curstate), v->state);
}
}
/* not reach */
accept:
if (v->debug) rb_funcall(v->parser, id_d_accept, 0);
v->retval = RARRAY_PTR(v->vstack)[0];
v->fin = CP_FIN_ACCEPT;
return;
error:
D_printf("error detected, status=%ld\n", v->errstatus);
if (v->errstatus == 0) {
v->nerr++;
rb_funcall(v->parser, id_onerror,
3, v->t, val, v->vstack);
}
user_yyerror:
if (v->errstatus == 3) {
if (v->t == vFINAL_TOKEN) {
v->retval = Qfalse;
v->fin = CP_FIN_EOT;
return;
}
read_next = 1;
}
v->errstatus = 3;
rb_ivar_set(v->parser, id_errstatus, LONG2NUM(v->errstatus));
/* check if we can shift/reduce error token */
D_printf("(err) k1=%ld\n", v->curstate);
D_printf("(err) k2=%d (error)\n", ERROR_TOKEN);
while (1) {
tmp = AREF(v->action_pointer, v->curstate);
if (NIL_P(tmp)) goto error_pop;
D_puts("(err) pointer[k1] ok");
i = NUM2LONG(tmp) + ERROR_TOKEN;
D_printf("(err) i=%ld\n", i);
if (i < 0) goto error_pop;
act_value = AREF(v->action_table, i);
if (NIL_P(act_value)) {
D_puts("(err) table[i] == nil");
goto error_pop;
}
act = NUM2LONG(act_value);
D_printf("(err) table[i]=%ld\n", act);
tmp = AREF(v->action_check, i);
if (NIL_P(tmp)) {
D_puts("(err) check[i] == nil");
goto error_pop;
}
if (NUM2LONG(tmp) != v->curstate) {
D_puts("(err) check[i] != k1");
goto error_pop;
}
D_puts("(err) found: can handle error token");
break;
error_pop:
D_puts("(err) act not found: can't handle error token; pop");
if (RARRAY_LEN(v->state) <= 1) {
v->retval = Qnil;
v->fin = CP_FIN_CANTPOP;
return;
}
POP(v->state);
POP(v->vstack);
v->curstate = num_to_long(LAST_I(v->state));
if (v->debug) {
POP(v->tstack);
rb_funcall(v->parser, id_d_e_pop,
3, v->state, v->tstack, v->vstack);
}
}
/* shift/reduce error token */
if (act > 0 && act < v->shift_n) {
D_puts("e shift");
SHIFT(v, act, ERROR_TOKEN, val);
}
else if (act < 0 && act > -(v->reduce_n)) {
D_puts("e reduce");
REDUCE(v, act);
}
else if (act == v->shift_n) {
D_puts("e accept");
goto accept;
}
else {
rb_raise(RaccBug, "[Racc Bug] unknown act value %ld", act);
}
goto error_recovered;
}
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
}
void
menubar_selection_callback (struct frame *f, void * client_data)
{
Lisp_Object prefix, entry;
Lisp_Object vector;
Lisp_Object *subprefix_stack;
int submenu_depth = 0;
int i;
if (!f)
return;
entry = Qnil;
subprefix_stack = (Lisp_Object *) alloca (f->menu_bar_items_used * word_size);
vector = f->menu_bar_vector;
prefix = Qnil;
i = 0;
while (i < f->menu_bar_items_used)
{
if (EQ (AREF (vector, i), Qnil))
{
subprefix_stack[submenu_depth++] = prefix;
prefix = entry;
i++;
}
else if (EQ (AREF (vector, i), Qlambda))
{
prefix = subprefix_stack[--submenu_depth];
i++;
}
else if (EQ (AREF (vector, i), Qt))
{
prefix = AREF (vector, i + MENU_ITEMS_PANE_PREFIX);
i += MENU_ITEMS_PANE_LENGTH;
}
else
{
entry = AREF (vector, i + MENU_ITEMS_ITEM_VALUE);
/* The UINT_PTR cast avoids a warning. There's no problem
as long as pointers have enough bits to hold small integers. */
if ((int) (UINT_PTR) client_data == i)
{
int j;
struct input_event buf;
Lisp_Object frame;
EVENT_INIT (buf);
XSETFRAME (frame, f);
buf.kind = MENU_BAR_EVENT;
buf.frame_or_window = frame;
buf.arg = frame;
kbd_buffer_store_event (&buf);
for (j = 0; j < submenu_depth; j++)
if (!NILP (subprefix_stack[j]))
{
buf.kind = MENU_BAR_EVENT;
buf.frame_or_window = frame;
buf.arg = subprefix_stack[j];
kbd_buffer_store_event (&buf);
}
if (!NILP (prefix))
{
buf.kind = MENU_BAR_EVENT;
buf.frame_or_window = frame;
buf.arg = prefix;
kbd_buffer_store_event (&buf);
}
buf.kind = MENU_BAR_EVENT;
buf.frame_or_window = frame;
buf.arg = entry;
/* Free memory used by owner-drawn and help-echo strings. */
w32_free_menu_strings (FRAME_W32_WINDOW (f));
kbd_buffer_store_event (&buf);
f->output_data.w32->menubar_active = 0;
return;
}
i += MENU_ITEMS_ITEM_LENGTH;
}
}
/* Free memory used by owner-drawn and help-echo strings. */
w32_free_menu_strings (FRAME_W32_WINDOW (f));
f->output_data.w32->menubar_active = 0;
}
void
find_and_call_menu_selection (struct frame *f, int menu_bar_items_used,
Lisp_Object vector, void *client_data)
{
Lisp_Object prefix, entry;
Lisp_Object *subprefix_stack;
int submenu_depth = 0;
int i;
USE_SAFE_ALLOCA;
entry = Qnil;
SAFE_NALLOCA (subprefix_stack, 1, menu_bar_items_used);
prefix = Qnil;
i = 0;
while (i < menu_bar_items_used)
{
if (EQ (AREF (vector, i), Qnil))
{
subprefix_stack[submenu_depth++] = prefix;
prefix = entry;
i++;
}
else if (EQ (AREF (vector, i), Qlambda))
{
prefix = subprefix_stack[--submenu_depth];
i++;
}
else if (EQ (AREF (vector, i), Qt))
{
prefix = AREF (vector, i + MENU_ITEMS_PANE_PREFIX);
i += MENU_ITEMS_PANE_LENGTH;
}
else
{
entry = AREF (vector, i + MENU_ITEMS_ITEM_VALUE);
/* Treat the pointer as an integer. There's no problem
as long as pointers have enough bits to hold small integers. */
if ((intptr_t) client_data == i)
{
int j;
struct input_event buf;
Lisp_Object frame;
EVENT_INIT (buf);
XSETFRAME (frame, f);
buf.kind = MENU_BAR_EVENT;
buf.frame_or_window = frame;
buf.arg = frame;
kbd_buffer_store_event (&buf);
for (j = 0; j < submenu_depth; j++)
if (!NILP (subprefix_stack[j]))
{
buf.kind = MENU_BAR_EVENT;
buf.frame_or_window = frame;
buf.arg = subprefix_stack[j];
kbd_buffer_store_event (&buf);
}
if (!NILP (prefix))
{
buf.kind = MENU_BAR_EVENT;
buf.frame_or_window = frame;
buf.arg = prefix;
kbd_buffer_store_event (&buf);
}
buf.kind = MENU_BAR_EVENT;
buf.frame_or_window = frame;
buf.arg = entry;
kbd_buffer_store_event (&buf);
break;
}
i += MENU_ITEMS_ITEM_LENGTH;
}
}
SAFE_FREE ();
}
static json_t *
lisp_to_json_toplevel_1 (Lisp_Object lisp)
{
json_t *json;
ptrdiff_t count;
if (VECTORP (lisp))
{
ptrdiff_t size = ASIZE (lisp);
json = json_check (json_array ());
count = SPECPDL_INDEX ();
record_unwind_protect_ptr (json_release_object, json);
for (ptrdiff_t i = 0; i < size; ++i)
{
int status
= json_array_append_new (json, lisp_to_json (AREF (lisp, i)));
if (status == -1)
json_out_of_memory ();
}
eassert (json_array_size (json) == size);
}
else if (HASH_TABLE_P (lisp))
{
struct Lisp_Hash_Table *h = XHASH_TABLE (lisp);
json = json_check (json_object ());
count = SPECPDL_INDEX ();
record_unwind_protect_ptr (json_release_object, json);
for (ptrdiff_t i = 0; i < HASH_TABLE_SIZE (h); ++i)
if (!NILP (HASH_HASH (h, i)))
{
Lisp_Object key = json_encode (HASH_KEY (h, i));
/* We can't specify the length, so the string must be
null-terminated. */
check_string_without_embedded_nulls (key);
const char *key_str = SSDATA (key);
/* Reject duplicate keys. These are possible if the hash
table test is not `equal'. */
if (json_object_get (json, key_str) != NULL)
wrong_type_argument (Qjson_value_p, lisp);
int status = json_object_set_new (json, key_str,
lisp_to_json (HASH_VALUE (h, i)));
if (status == -1)
{
/* A failure can be caused either by an invalid key or
by low memory. */
json_check_utf8 (key);
json_out_of_memory ();
}
}
}
else if (NILP (lisp))
return json_check (json_object ());
else if (CONSP (lisp))
{
Lisp_Object tail = lisp;
json = json_check (json_object ());
count = SPECPDL_INDEX ();
record_unwind_protect_ptr (json_release_object, json);
bool is_plist = !CONSP (XCAR (tail));
FOR_EACH_TAIL (tail)
{
const char *key_str;
Lisp_Object value;
Lisp_Object key_symbol;
if (is_plist)
{
key_symbol = XCAR (tail);
tail = XCDR (tail);
CHECK_CONS (tail);
value = XCAR (tail);
if (EQ (tail, li.tortoise)) circular_list (lisp);
}
else
{
Lisp_Object pair = XCAR (tail);
CHECK_CONS (pair);
key_symbol = XCAR (pair);
value = XCDR (pair);
}
CHECK_SYMBOL (key_symbol);
Lisp_Object key = SYMBOL_NAME (key_symbol);
/* We can't specify the length, so the string must be
null-terminated. */
check_string_without_embedded_nulls (key);
key_str = SSDATA (key);
/* In plists, ensure leading ":" in keys is stripped. It
will be reconstructed later in `json_to_lisp'.*/
if (is_plist && ':' == key_str[0] && key_str[1])
{
key_str = &key_str[1];
}
/* Only add element if key is not already present. */
if (json_object_get (json, key_str) == NULL)
{
int status
= json_object_set_new (json, key_str, lisp_to_json (value));
if (status == -1)
json_out_of_memory ();
}
}
CHECK_LIST_END (tail, lisp);
}
else
