menu.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef LURE_MENU_H
#define LURE_MENU_H


#include "common/str.h"
#include "lure/luredefs.h"
#include "lure/disk.h"
#include "lure/screen.h"
#include "lure/surface.h"
#include "lure/events.h"

#define NUM_MENUS 3

namespace Lure {

struct MenuRecordBounds {
    uint16 left, right;
    uint16 contentsX, contentsWidth;
};

struct MenuRecordLanguage {
    Common::Language language;
    MenuRecordBounds menus[3];
};

class MenuRecord {
private:
    uint16 _xstart, _width;
    uint16 _hsxstart, _hsxend;
    const char **_entries;
    uint8 _numEntries;
public:
    MenuRecord(const MenuRecordBounds *bounds, int numParams, ...);
    ~MenuRecord();

    uint16 xstart() { return _xstart; }
    uint16 width() { return _width; }
    uint16 hsxstart() { return _hsxstart; }
    uint16 hsxend() { return _hsxend; }
    uint8 numEntries() { return _numEntries; }
    const char **entries() { return _entries; }
    const char *getEntry(uint8 index);
};

class Menu {
private:
    MemoryBlock *_menu;
    MenuRecord *_menus[NUM_MENUS];
    MenuRecord *_selectedMenu;
    Surface *_surfaceMenu;
    uint8 _selectedIndex;

    MenuRecord *getMenuAt(int x);
    uint8 getIndexAt(uint16 x, uint16 y);
    void toggleHighlight(MenuRecord *menuRec);
    void toggleHighlightItem(uint8 index);
public:
    Menu();
    ~Menu();
    static Menu &getReference();
    uint8 execute();
    MenuRecord &getMenu(uint8 index) { return *_menus[index]; }
};

class PopupMenu {
public:
    static Action Show(uint32 actionMask);
    static Action Show(int numEntries, Action *actions);
    static uint16 Show(int numEntries, const char *actions[]);
    static uint16 ShowInventory();
    static uint16 ShowItems(Action contextAction, uint16 roomNumber);
};

} // End of namespace Lure

#endif