saveloadmenu.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 STARK_UI_MENU_SAVELOAD_MENU_H
#define STARK_UI_MENU_SAVELOAD_MENU_H

#include "engines/stark/ui/menu/locationscreen.h"
#include "engines/stark/visual/text.h"

#include "common/error.h"

namespace Stark {

namespace Gfx {
class Bitmap;
class SurfaceRenderer;
}

class SaveDataWidget;

class SaveLoadMenuScreen : public StaticLocationScreen {
public:
    static const int _slotPerRow = 3;
    static const int _slotPerColumn = 3;
    static const int _slotPerPage = 9;

    SaveLoadMenuScreen(Gfx::Driver *gfx, Cursor *cursor, Screen::Name screenName);
    virtual ~SaveLoadMenuScreen();

    // StaticLocationScreen API
    void open() override;
    void close() override;

    virtual void onWidgetSelected(SaveDataWidget *widget) = 0;

    virtual bool isSaveMenu() = 0;

protected:
    static void checkError(Common::Error error);

    enum WidgetIndex {
        kWidgetSaveText = 3,
        kWidgetLoadText = 4,
        kWidgetBack = 5,
        kWidgetNext = 6
    };

private:
    // Start from zero
    int _page;
    int _maxPage;

    void backHandler();

    void prevPageHandler() { changePage(_page - 1); }
    void nextPageHandler() { changePage(_page + 1); }

    void removeSaveDataWidgets();
    void loadSaveData(int page);
    void changePage(int page);
    int computeMaxPage();
};

class SaveMenuScreen : public SaveLoadMenuScreen {
public:
    SaveMenuScreen(Gfx::Driver *gfx, Cursor *cursor) :
            SaveLoadMenuScreen(gfx, cursor, Screen::kScreenSaveMenu),
            _slotToSaveAfterConfirm(nullptr) {}
    virtual ~SaveMenuScreen() {}

    // SaveLoadMenuScreen API
    void open() override;

    void onWidgetSelected(SaveDataWidget *widget) override;

    bool isSaveMenu() override { return true; }

private:
    void saveGameToSlot(SaveDataWidget *widget);
    void saveConfirmSlot();

    SaveDataWidget *_slotToSaveAfterConfirm;
};

class LoadMenuScreen : public SaveLoadMenuScreen {
public:
    LoadMenuScreen(Gfx::Driver *gfx, Cursor *cursor) :
            SaveLoadMenuScreen(gfx, cursor, Screen::kScreenLoadMenu),
            _slotToLoadAfterConfirm(-1) {}
    ~LoadMenuScreen() override {}

    // SaveLoadMenuScreen API
    void open() override;

    void onWidgetSelected(SaveDataWidget *widget) override;

    bool isSaveMenu() override { return false; }

private:
    void loadConfirmSlot();

    int _slotToLoadAfterConfirm;
};

class SaveDataWidget : public StaticLocationWidget {
public:
    SaveDataWidget(int slot, Gfx::Driver *gfx, SaveLoadMenuScreen *screen);
    ~SaveDataWidget();

    // StaticLocationWidget API
    void render() override;
    bool isMouseInside(const Common::Point &mousePos) const override;
    void onClick() override;
    void onMouseMove(const Common::Point &mousePos) override;
    void onScreenChanged() override;

    int getSlot() { return _slot; }
    Common::String getName() { return _name; }

    void loadSaveDataElements();

    bool hasSave() { return _hasSave; }

private:
    const Gfx::Color _outlineColor = Gfx::Color(0x1E, 0x1E, 0x96);
    const Gfx::Color _textColor = Gfx::Color(0x5C, 0x48, 0x3D);

    int _slot;
    SaveLoadMenuScreen *_screen;

    Common::Point _thumbPos, _textDescPos, _textTimePos;
    int _thumbWidth, _thumbHeight;

    Gfx::Bitmap *_bitmap;
    Gfx::Bitmap *_outline;
    Gfx::SurfaceRenderer *_surfaceRenderer;

    VisualText _textDesc, _textTime;

    bool _isMouseHovered;
    bool _hasSave;

    Common::String _name;
};

} // End of namespace Stark

#endif // STARK_UI_MENU_SETTING_MENU_H