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// -*- mode: c++; c-basic-offset: 2; -*-
#ifndef GUI_MENU_HH
#define GUI_MENU_HH
#include <string>
class GuiMenu {
public:
class Listener {
public:
virtual ~Listener() {}
virtual void item_activated(std::string const& id) = 0;
protected:
Listener() {}
};
static const uint32_t CTRL;
static const uint32_t ALT;
static const uint32_t SHIFT;
static const uint32_t META;
static const char ESC;
static const char UP;
static const char LEFT;
static const char RIGHT;
static const char DOWN;
static const char RETURN;
struct Shortcut {
uint32_t const mask;
char const key;
bool const function;
Shortcut()
: mask(0), key(0), function(false) {
}
Shortcut(uint32_t mask, char key)
: mask(mask), key(key), function(false) {
}
Shortcut(uint32_t mask, int function)
: mask(mask), key(function), function(true) {
}
};
virtual ~GuiMenu() {}
static GuiMenu* create();
virtual void add_item(std::string const& id, std::string const& label,
Shortcut const& shortcut = Shortcut()) = 0;
// The returned menu lives as long as the root-menu, do not free
// the pointer yourself
virtual GuiMenu* add_menu(std::string const& label) = 0;
virtual void add_separator() = 0;
// Call to enable/disable menu item, searches sub menues if no such
// item is found in this menu. Returns true if an item was found.
virtual bool enable_item(std::string const& id, bool enable = true) = 0;
virtual void add_listener(Listener* listener) = 0;
virtual void remove_listener(Listener* listener) = 0;
protected:
GuiMenu() {}
GuiMenu(GuiMenu const&) = delete;
};
#endif // GUI_MENU_HH
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