bool ro_gui_options_fonts_init_menu(void)
{
unsigned int i;
if (default_menu)
/* Already exists */
return true;
default_menu = malloc(wimp_SIZEOF_MENU(5));
if (!default_menu) {
warn_user("NoMemory", 0);
return false;
}
default_menu->title_data.indirected_text.text =
(char *) messages_get("DefaultFonts");
ro_gui_menu_init_structure(default_menu, 5);
for (i = 0; i < 5; i++) {
default_menu->entries[i].data.indirected_text.text =
(char *) font_names[i];
default_menu->entries[i].data.indirected_text.size =
strlen(font_names[i]);
}
return true;
}
/**
* Create a wimp menu tree from ns_menu data.
* This function does *not* deal with the menu textual content - it simply
* creates and populates the appropriate structures. Textual content is
* generated by ro_gui_menu_translate_menu()
*
* \param definition Top level menu definition
* \param menu Menu declaration data
* \param depth Depth of menu we're currently building
* \param parent_entry Entry in parent menu, or NULL if root menu
* \param first First index in declaration data that is used by this menu
* \param last Last index in declaration data that is used by this menu
* \param prefix Prefix pf menu declaration string already seen
* \param prefix_length Length of prefix
*/
void ro_gui_menu_define_menu_add(struct menu_definition *definition,
const struct ns_menu *menu, int depth,
wimp_menu_entry *parent_entry, int first, int last,
const char *prefix, int prefix_length)
{
int entry, id, cur_depth;
int entries = 0;
int matches[last - first + 1];
const char *match;
const char *text, *menu_text;
wimp_menu *new_menu;
struct menu_definition_entry *definition_entry;
/* step 1: store the matches for depth and subset string */
for (entry = first; entry < last; entry++) {
cur_depth = 0;
match = menu->entries[entry].text;
/* skip specials at start of string */
while (!isalnum(*match))
match++;
/* attempt prefix match */
if ((prefix) && (strncmp(match, prefix, prefix_length)))
continue;
/* Find depth of this entry */
while (*match)
if (*match++ == '.')
cur_depth++;
if (depth == cur_depth)
matches[entries++] = entry;
}
matches[entries] = last;
/* no entries, so exit */
if (entries == 0)
return;
/* step 2: build and link the menu. we must use realloc to stop
* our memory fragmenting so we can test for sub-menus easily */
new_menu = (wimp_menu *)malloc(wimp_SIZEOF_MENU(entries));
if (!new_menu)
die("No memory to create menu.");
if (parent_entry) {
/* Fix up sub menu pointer */
parent_entry->sub_menu = new_menu;
} else {
/* Root menu => fill in definition struct */
definition->title_key = menu->title;
definition->current_encoding = 0;
definition->menu = new_menu;
}
/* this is fixed up in ro_gui_menu_translate() */
new_menu->title_data.indirected_text.text = NULL;
/* fill in menu flags */
ro_gui_menu_init_structure(new_menu, entries);
/* and then create the entries */
for (entry = 0; entry < entries; entry++) {
/* add the entry */
id = matches[entry];
text = menu->entries[id].text;
/* fill in menu flags from specials at start of string */
new_menu->entries[entry].menu_flags = 0;
while (!isalnum(*text)) {
if (*text == '_')
new_menu->entries[entry].menu_flags |=
wimp_MENU_SEPARATE;
text++;
}
/* get messages key for menu entry */
menu_text = strrchr(text, '.');
if (!menu_text)
/* no '.' => top-level entry */
menu_text = text;
else
menu_text++; /* and move past the '.' */
/* fill in submenu data */
if (menu->entries[id].sub_window)
new_menu->entries[entry].sub_menu =
(wimp_menu *) (*menu->entries[id].sub_window);
/* this is fixed up in ro_gui_menu_translate() */
new_menu->entries[entry].data.indirected_text.text = NULL;
/* create definition entry */
definition_entry =
malloc(sizeof(struct menu_definition_entry));
if (!definition_entry)
die("Unable to create menu definition entry");
definition_entry->action = menu->entries[id].action;
definition_entry->menu_entry = &new_menu->entries[entry];
definition_entry->entry_key = menu_text;
definition_entry->next = definition->entries;
definition->entries = definition_entry;
/* recurse */
if (new_menu->entries[entry].sub_menu == wimp_NO_SUB_MENU) {
ro_gui_menu_define_menu_add(definition, menu,
depth + 1, &new_menu->entries[entry],
matches[entry], matches[entry + 1],
text, strlen(text));
}
/* give menu warnings */
if (new_menu->entries[entry].sub_menu != wimp_NO_SUB_MENU)
new_menu->entries[entry].menu_flags |=
wimp_MENU_GIVE_WARNING;
}
new_menu->entries[0].menu_flags |= wimp_MENU_TITLE_INDIRECTED;
new_menu->entries[entries - 1].menu_flags |= wimp_MENU_LAST;
}
