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#ifndef _MENU_SEARCH_HH_
#define _MENU_SEARCH_HH_
#include <vector>
#include <string>
#include <cstddef>
namespace FbTk {
class MenuItem;
// a small helper which applies search operations on a list of MenuItems*.
// the former incarnation of this class was FbTk::TypeAhead in combination with
// the now non-existent FbTk::SearchResults, but the complexity of these
// are not needed for our use case. as a bonus we have less lose parts
// flying around.
class MenuSearch {
public:
enum Mode {
NOWHERE,
ITEMSTART,
SOMEWHERE,
DEFAULT = ITEMSTART
};
static void setMode(Mode m);
MenuSearch(const std::vector<FbTk::MenuItem*>& items);
size_t size() const;
void clear();
void add(char c);
void backspace();
// is 'pattern' matching something?
bool has_match();
// would 'the_pattern' match something?
bool would_match(const std::string& the_pattern);
size_t num_matches();
// returns true if m_text matches against m_items[i] and stores
// the position where it matches in the string
bool get_match(size_t i, size_t& idx);
std::string pattern;
private:
const std::vector<FbTk::MenuItem*>& m_items;
};
}
#endif
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