ComboBox.h

#pragma once
/*
 * Copyright 2010-2016 OpenXcom Developers.
 *
 * This file is part of OpenXcom.
 *
 * OpenXcom 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.
 *
 * OpenXcom 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 OpenXcom.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "../Engine/InteractiveSurface.h"
#include <vector>
#include <string>

namespace OpenXcom
{

class TextButton;
class TextList;
class Window;
class Language;

class ComboBox : public InteractiveSurface
{
private:
    static const int HORIZONTAL_MARGIN;
    static const int VERTICAL_MARGIN;
    static const int MAX_ITEMS;
    static const int BUTTON_WIDTH;
    static const int TEXT_HEIGHT;

    TextButton *_button;
    Surface *_arrow;
    Window *_window;
    TextList *_list;

    ActionHandler _change;
    size_t _sel;
    State *_state;
    Language *_lang;
    Uint8 _color;
    bool _toggled;

    void drawArrow();
    void setDropdown(int options);
public:
    ComboBox(State *state, int width, int height, int x = 0, int y = 0);
    ~ComboBox();
    void setX(int x);
    void setY(int y);
    void setPalette(SDL_Color *colors, int firstcolor = 0, int ncolors = 256);
    void initText(Font *big, Font *small, Language *lang);
    void setBackground(Surface *bg);
    void setColor(Uint8 color);
    Uint8 getColor() const;
    void setHighContrast(bool contrast);
    void setArrowColor(Uint8 color);
    size_t getSelected() const;
    size_t getHoveredListIdx() const;
    void setSelected(size_t sel);
    void setOptions(const std::vector<std::string> &options);
    void setOptions(const std::vector<std::wstring> &options);
    void blit(Surface *surface);
    void think();
    void handle(Action *action, State *state);
    void toggle(bool first = false);
    void onChange(ActionHandler handler);
    void onListMouseIn(ActionHandler handler);
    void onListMouseOut(ActionHandler handler);
    void onListMouseOver(ActionHandler handler);
};

}