Grid.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_GRID_HPP
#define TGUI_GRID_HPP
 
 
#include <TGUI/Container.hpp>
 
 
namespace tgui
{
 
 class TGUI_API Grid : public Container
 {
 public:
 
 typedef std::shared_ptr<Grid> Ptr; 
 typedef std::shared_ptr<const Grid> ConstPtr; 
 
 
 enum class Alignment
 {
 UpperLeft, 
 Up, 
 UpperRight, 
 Right, 
 BottomRight, 
 Bottom, 
 BottomLeft, 
 Left, 
 Center 
 };
 
 
 // Default constructor
 Grid();
 
 
 Grid(const Grid& copy);
 
 
 Grid& operator= (const Grid& right);
 
 
 static Grid::Ptr create();
 
 
 static Grid::Ptr copy(Grid::ConstPtr grid);
 
 
 virtual void setSize(const Layout2d& size) override;
 using Transformable::setSize;
 
 
 virtual sf::Vector2f getSize() const override
 {
 return m_realSize;
 }
 
 
 virtual bool remove(const Widget::Ptr& widget) override;
 
 
 virtual void removeAllWidgets() override;
 
 
 void addWidget(const Widget::Ptr& widget,
 unsigned int row,
 unsigned int column,
 const Borders& borders = Borders(0, 0, 0, 0),
 Alignment alignment = Alignment::Center);
 
 
 Widget::Ptr getWidget(unsigned int row, unsigned int column);
 
 
 void updateWidgets();
 
 
 void changeWidgetBorders(const Widget::Ptr& widget, const Borders& borders = Borders(0, 0, 0, 0));
 
 
 void changeWidgetAlignment(const Widget::Ptr& widget, Alignment alignment = Alignment::Center);
 
 
 virtual bool mouseOnWidget(float x, float y) const override;
 
 
 protected:
 
 
 // Returns the minimum size required by the grid to display correctly all widgets.
 sf::Vector2f getMinSize();
 
 
 // Reposition all the widgets.
 void updatePositionsOfAllWidgets();
 
 
 // Makes a copy of the widget
 virtual Widget::Ptr clone() const override
 {
 return std::make_shared<Grid>(*this);
 }
 
 
 // Draws the widget on the render target.
 virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const override;
 
 
 protected:
 
 std::vector<std::vector<Widget::Ptr>> m_gridWidgets;
 std::vector<std::vector<Borders>> m_objBorders;
 std::vector<std::vector<Alignment>> m_objAlignment;
 
 std::vector<float> m_rowHeight;
 std::vector<float> m_columnWidth;
 
 std::map<Widget::Ptr, unsigned int> m_connectedCallbacks;
 
 sf::Vector2f m_realSize; // Actual size of the grid, while m_size contains the intended size
 
 };
 
}
 
 
#endif // TGUI_GRID_HPP