about.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 ABOUT_DIALOG_H
#define ABOUT_DIALOG_H

#include "gui/dialog.h"
#include "common/str.h"
#include "common/ustr.h"
#include "common/array.h"
#include "common/keyboard.h"

namespace GUI {

class EEHandler;
class ScrollBarWidget;
class ButtonWidget;
class FluidScroller;

class AboutDialog : public Dialog {
protected:
    float          _scrollPos;
    uint32         _scrollTime;
    Common::U32StringArray _lines;
    uint32         _lineHeight;
    bool           _willClose;
    bool _autoScroll;

    int _xOff, _yOff;
    bool _inGame;
    bool _isDragging;
    int _dragLastY;

    FluidScroller *_fluidScroller;
    ScrollBarWidget *_scrollbar;
    ButtonWidget *_closeButton;
    Common::Rect _textRect;

    void addLine(const Common::U32String &str);
    void buildLines();

    EEHandler   *_eeHandler;

public:
    AboutDialog(bool inGame = false);
    ~AboutDialog() override;

    void open() override;
    void close() override;
    void drawDialog(DrawLayer layerToDraw) override;
    void handleTickle() override;
    void handleMouseDown(int x, int y, int button, int clickCount) override;
    void handleMouseUp(int x, int y, int button, int clickCount) override;
    void handleMouseMoved(int x, int y, int button) override;
    void handleMouseWheel(int x, int y, int direction) override;
    void handleKeyDown(Common::KeyState state) override;
    void handleKeyUp(Common::KeyState state) override;
    void handleCommand(CommandSender *sender, uint32 cmd, uint32 data) override;

    void reflowLayout() override;
};

} // End of namespace GUI

#endif