drop_down_list.hpp

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/*
   Copyright (C) 2008 - 2016 by Mark de Wever <[email protected]>
   Part of the Battle for Wesnoth Project http://www.wesnoth.org/

   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 2 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.

   See the COPYING file for more details.
*/

#pragma once

#include "gui/dialogs/dialog.hpp"
#include "sdl/rect.hpp"

namespace gui2
{
///Used by the combobox widget.
class tdrop_down_list : public tdialog
{
public:
    tdrop_down_list(SDL_Rect button_pos, const std::vector<std::string>& items, int selected_item, bool use_markup)
        : button_pos_(button_pos)
        , items_(items)
        , selected_item_(selected_item)
        , use_markup_(use_markup)
    {
    }
    int selected_item() const { return selected_item_; }
private:
    /// The screen location of the combobox button that triggred this droplist.
    /// Note: we don't adjust the location of this dialog to when resizing the window.
    /// Instead this dialog automatically closes itself on resizing.
    SDL_Rect button_pos_;
    std::vector<std::string> items_;
    int selected_item_;
    bool use_markup_;
    /** Inherited from tdialog, implemented by REGISTER_DIALOG. */
    virtual const std::string& window_id() const;

    /** Inherited from tdialog. */
    void pre_show(twindow& window);

    /** Inherited from tdialog. */
    void post_show(twindow& window);

    void item_change_callback(twindow& window, size_t item);
};

} // namespace gui2