Callback.hpp

//
// TGUI - Texus's Graphical User Interface
// Copyright (C) 2012-2017 Bruno Van de Velde (vdv_b@tgui.eu)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//


#ifndef TGUI_CALLBACK_HPP
#define TGUI_CALLBACK_HPP

#include <map>
#include <list>
#include <functional>

#include <TGUI/Global.hpp>


namespace tgui
{
 class Widget;

 // Struct that tells more about the callback that happened.
 struct TGUI_API Callback
 {
 // The callback id that was passed to the widget. It is used to identify from what widget the callback came from.
 unsigned int id = 0;

 // How did the callback occur?
 std::string trigger;

 // Pointer to the widget
 Widget* widget = nullptr;

 // The type of the widget
 std::string widgetType = "Unknown";

 // When the mouse has something to do with the callback then this data will be filled
 sf::Vector2i mouse;

 // This text is only used by some widgets, but it can be set together with some other member
 sf::String text;

 // Used to identify an item
 sf::String itemId;

 // Only one of these things can be filled at a given time
 bool checked = false;
 int value = 0;
 unsigned int index = 0;
 sf::Vector2f value2d;
 sf::Vector2f position;
 sf::Vector2f size;
 };

}


#endif // TGUI_CALLBACK_HPP