loadsave.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 NANCY_STATE_LOADSAVE_H
#define NANCY_STATE_LOADSAVE_H

#include "common/singleton.h"

#include "engines/nancy/state/state.h"
#include "engines/nancy/ui/fullscreenimage.h"
#include "engines/nancy/font.h"

namespace Nancy {

struct LOAD;

namespace UI {
class Button;
}

namespace State {

class LoadSaveMenu : public State, public Common::Singleton<LoadSaveMenu> {
public:
    LoadSaveMenu() :
        _state(kInit), _selectedSave(-1), _enteringNewState(false), _nextBlink(0),
        _baseFont(nullptr), _highlightFont(nullptr),
        _disabledFont(nullptr), _loadSaveData(nullptr),
        _cancelButton(nullptr), _exitButton(nullptr),
        _blinkingCursorOverlay(6), _successOverlay(8) {}
    virtual ~LoadSaveMenu();

    // State API
    void process() override;
    void onStateEnter(const NancyState::NancyState prevState) override;
    bool onStateExit(const NancyState::NancyState nextState) override;

private:
    void init();
    void run();
    void enterFilename();
    void save();
    void load();
    void success();
    void stop();

    void registerGraphics();

    uint16 writeToTextbox(uint textboxID, const Common::String &text, const Font *font);

    enum State { kInit, kRun, kEnterFilename, kSave, kLoad, kSuccess, kStop };

    State _state;

    UI::FullScreenImage _background;

    const Font *_baseFont;
    const Font *_highlightFont;
    const Font *_disabledFont;

    Common::Array<Common::String> _filenameStrings;
    Common::Array<bool> _saveExists;
    Common::String _enteredString;

    Common::Array<RenderObject *> _textboxes;
    Common::Array<UI::Button *> _loadButtons;
    Common::Array<UI::Button *> _saveButtons;
    Common::Array<RenderObject *> _cancelButtonOverlays;
    UI::Button *_exitButton;
    UI::Button *_cancelButton;
    RenderObject _blinkingCursorOverlay;
    RenderObject _successOverlay;

    int16 _selectedSave;
    bool _enteringNewState;
    uint32 _nextBlink;

    bool _destroyOnExit = true;

    const LOAD *_loadSaveData;
};

} // End of namespace State
} // End of namespace Nancy

#endif // NANCY_STATE_LOADSAVE_H