static void UpdateSubmenuParentPtrs(menu_t *menu)
{
for (int i = 0; i < (int)menu->u.normal.subMenus.size; i++)
{
menu_t *subMenu = CArrayGet(&menu->u.normal.subMenus, i);
subMenu->parentMenu = menu;
if (MenuTypeHasSubMenus(subMenu->type))
{
UpdateSubmenuParentPtrs(subMenu);
}
}
}
void MenuDestroySubmenus(menu_t *menu)
{
if (menu == NULL)
{
return;
}
CFREE(menu->name);
if (MenuTypeHasSubMenus(menu->type))
{
for (int i = 0; i < (int)menu->u.normal.subMenus.size; i++)
{
menu_t *subMenu = CArrayGet(&menu->u.normal.subMenus, i);
MenuDestroySubmenus(subMenu);
}
CArrayTerminate(&menu->u.normal.subMenus);
}
}
void MenuDestroySubmenus(menu_t *menu)
{
if (menu == NULL)
{
return;
}
if (MenuTypeHasSubMenus(menu->type) && menu->u.normal.subMenus != NULL)
{
int i;
for (i = 0; i < menu->u.normal.numSubMenus; i++)
{
menu_t *subMenu = &menu->u.normal.subMenus[i];
MenuDestroySubmenus(subMenu);
}
CFREE(menu->u.normal.subMenus);
}
}
void MenuAddSubmenu(menu_t *menu, menu_t *subMenu)
{
menu_t *subMenuLoc = NULL;
int i;
menu->u.normal.numSubMenus++;
CREALLOC(menu->u.normal.subMenus, menu->u.normal.numSubMenus*sizeof(menu_t));
subMenuLoc = &menu->u.normal.subMenus[menu->u.normal.numSubMenus - 1];
memcpy(subMenuLoc, subMenu, sizeof(menu_t));
if (subMenu->type == MENU_TYPE_QUIT)
{
menu->u.normal.quitMenuIndex = menu->u.normal.numSubMenus - 1;
}
CFREE(subMenu);
// update all parent pointers, in grandchild menus as well
for (i = 0; i < menu->u.normal.numSubMenus; i++)
{
subMenuLoc = &menu->u.normal.subMenus[i];
subMenuLoc->parentMenu = menu;
if (MenuTypeHasSubMenus(subMenuLoc->type))
{
int j;
for (j = 0; j < subMenuLoc->u.normal.numSubMenus; j++)
{
menu_t *subSubMenu = &subMenuLoc->u.normal.subMenus[j];
subSubMenu->parentMenu = subMenuLoc;
}
}
}
// move cursor in case first menu item(s) are separators
while (menu->u.normal.index < menu->u.normal.numSubMenus &&
menu->u.normal.subMenus[menu->u.normal.index].type == MENU_TYPE_SEPARATOR)
{
menu->u.normal.index++;
}
}