示例#1
0
/* find a font spec that matches font spec FONT and also matches
   (the registry of) CHARSET. */
static Lisp_Object
gtk_find_charset_font (Lisp_Object device, Lisp_Object font, Lisp_Object charset)
{
  char **names;
  int count = 0;
  Lisp_Object result = Qnil;
  const char *patternext;
  int i;

  TO_EXTERNAL_FORMAT (LISP_STRING, font, C_STRING_ALLOCA, patternext, Qbinary);

  names = XListFonts (GDK_DISPLAY (),
		      patternext, MAX_FONT_COUNT, &count);
  /* ### This code seems awfully bogus -- mrb */
  for (i = 0; i < count; i ++)
    {
      const Bufbyte *intname;
      Bytecount intlen;

      TO_INTERNAL_FORMAT (C_STRING, names[i], ALLOCA, (intname, intlen),
			  Qctext);
      if (gtk_font_spec_matches_charset (XDEVICE (device), charset,
					 intname, Qnil, 0, -1))
	{
	  result = make_string ((char *) intname, intlen);
	  break;
	}
    }

  if (names)
    XFreeFontNames (names);

  /* Check for a short font name. */
  if (NILP (result)
      && gtk_font_spec_matches_charset (XDEVICE (device), charset, 0,
					font, 0, -1))
    return font;

  return result;
}
示例#2
0
文件: gui-x.c 项目: hroptatyr/sxemacs
/* This does the dirty work.  gc_currently_forbidden is 1 when this is called.
 */
int
button_item_to_widget_value(Lisp_Object gui_object_instance,
			    Lisp_Object gui_item, widget_value * wv,
			    int allow_text_field_p, int no_keys_p,
			    int menu_entry_p, int accel_p)
{
	/* This function cannot GC because gc_currently_forbidden is set when
	   it's called */
	Lisp_Gui_Item *pgui = 0;

	/* degenerate case */
	if (STRINGP(gui_item)) {
		wv->type = TEXT_TYPE;
		if (accel_p)
			wv->name = add_accel_and_to_external(gui_item);
		else
			LISP_STRING_TO_EXTERNAL_MALLOC(gui_item, wv->name,
						       Qlwlib_encoding);
		return 1;
	} else if (!GUI_ITEMP(gui_item))
		syntax_error("need a string or a gui_item here", gui_item);

	pgui = XGUI_ITEM(gui_item);

	if (!NILP(pgui->filter))
		syntax_error(":filter keyword not permitted on leaf nodes",
			     gui_item);

#ifdef HAVE_MENUBARS
	if (menu_entry_p
	    && !gui_item_included_p(gui_item, Vmenubar_configuration)) {
		/* the include specification says to ignore this item. */
		return 0;
	}
#endif				/* HAVE_MENUBARS */

	if (!STRINGP(pgui->name))
		pgui->name = Feval(pgui->name);

	CHECK_STRING(pgui->name);
	if (accel_p) {
		Lisp_Object tmp = gui_item_accelerator(gui_item);
		wv->name = add_accel_and_to_external(pgui->name);
		wv->accel = LISP_TO_VOID(tmp);
	} else {
		LISP_STRING_TO_EXTERNAL_MALLOC(pgui->name, wv->name,
					       Qlwlib_encoding);
		wv->accel = LISP_TO_VOID(Qnil);
	}

	if (!NILP(pgui->suffix)) {
		Lisp_Object suffix2;

		/* Shortcut to avoid evaluating suffix each time */
		if (STRINGP(pgui->suffix))
			suffix2 = pgui->suffix;
		else {
			suffix2 = Feval(pgui->suffix);
			CHECK_STRING(suffix2);
		}

		LISP_STRING_TO_EXTERNAL_MALLOC(suffix2, wv->value,
					       Qlwlib_encoding);
	}

	wv_set_evalable_slot(wv->enabled, pgui->active);
	wv_set_evalable_slot(wv->selected, pgui->selected);

	if (!NILP(pgui->callback) || !NILP(pgui->callback_ex)) {
		Lisp_Object tmp = cons3(gui_object_instance,
					pgui->callback, pgui->callback_ex);
		wv->call_data = LISP_TO_VOID(tmp);
	}

	if (no_keys_p
#ifdef HAVE_MENUBARS
	    || (menu_entry_p && !menubar_show_keybindings)
#endif
		) {
		wv->key = 0;
	} else if (!NILP(pgui->keys)) {
		/* Use this string to generate key bindings */
		CHECK_STRING(pgui->keys);
		pgui->keys = Fsubstitute_command_keys(pgui->keys);
		if (XSTRING_LENGTH(pgui->keys) > 0)
			LISP_STRING_TO_EXTERNAL_MALLOC(pgui->keys, wv->key,
						       Qlwlib_encoding);
		else
			wv->key = 0;
	} else if (SYMBOLP(pgui->callback)) {	/* Show the binding of this command. */
		char buf[1024];	/* #### */
		/* #### Warning, dependency here on current_buffer and point */
		where_is_to_char(pgui->callback, buf);
		if (buf[0])
			C_STRING_TO_EXTERNAL_MALLOC(buf, wv->key,
						    Qlwlib_encoding);
		else
			wv->key = 0;
	}

	CHECK_SYMBOL(pgui->style);
	if (NILP(pgui->style)) {
		Bufbyte *intname = NULL;
		Bytecount intlen;
		/* If the callback is nil, treat this item like unselectable text.
		   This way, dashes will show up as a separator. */
		if (!wv->enabled)
			wv->type = BUTTON_TYPE;
		TO_INTERNAL_FORMAT(C_STRING, wv->name,
				   ALLOCA, (intname, intlen), Qlwlib_encoding);
		if (intname != NULL && separator_string_p(intname)) {
			wv->type = SEPARATOR_TYPE;
			wv->value =
			    menu_separator_style_and_to_external(intname);
		} else {
#if 0
			/* #### - this is generally desirable for menubars, but it breaks
			   a package that uses dialog boxes and next_command_event magic
			   to use the callback slot in dialog buttons for data instead of
			   a real callback.

			   Code is data, right?  The beauty of LISP abuse.   --Stig */
			if (NILP(callback))
				wv->type = TEXT_TYPE;
			else
#endif
				wv->type = BUTTON_TYPE;
		}
	} else if (EQ(pgui->style, Qbutton))
		wv->type = BUTTON_TYPE;
	else if (EQ(pgui->style, Qtoggle))
		wv->type = TOGGLE_TYPE;
	else if (EQ(pgui->style, Qradio))
		wv->type = RADIO_TYPE;
	else if (EQ(pgui->style, Qtext)) {
		wv->type = TEXT_TYPE;
#if 0
		wv->value = wv->name;
		wv->name = "value";
#endif
	} else
		syntax_error_2("Unknown style", pgui->style, gui_item);

	if (!allow_text_field_p && (wv->type == TEXT_TYPE))
		syntax_error("Text field not allowed in this context",
			     gui_item);

	if (!NILP(pgui->selected) && EQ(pgui->style, Qtext))
		syntax_error
		    (":selected only makes sense with :style toggle, radio or button",
		     gui_item);
	return 1;
}