Grid.hpp

 
//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2022 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>
#include <unordered_map>
 
 
namespace tgui
{
 
 class TGUI_API Grid : public Container
 {
 public:
 
 using Ptr = std::shared_ptr<Grid>; 
 using ConstPtr = std::shared_ptr<const Grid>; 
 
 static constexpr const char StaticWidgetType[] = "Grid"; 
 
 
 enum class Alignment
 {
 Center, 
 UpperLeft, 
 Up, 
 UpperRight, 
 Right, 
 BottomRight, 
 Bottom, 
 BottomLeft, 
 Left 
 };
 
 
 Grid(const char* typeName = StaticWidgetType, bool initRenderer = true);
 
 
 static Grid::Ptr create();
 
 
 Grid(const Grid& copy);
 
 
 Grid(Grid&& copy) noexcept;
 
 
 Grid& operator= (const Grid& right);
 
 
 Grid& operator= (Grid&& right) noexcept;
 
 
 static Grid::Ptr copy(const Grid::ConstPtr& grid);
 
 
 void setSize(const Layout2d& size) override;
 using Widget::setSize;
 
 
 void setAutoSize(bool autoSize);
 
 
 bool getAutoSize() const;
 
 
 bool remove(const Widget::Ptr& widget) override;
 
 
 void removeAllWidgets() override;
 
 
 void addWidget(const Widget::Ptr& widget,
 std::size_t row,
 std::size_t column,
 Alignment alignment = Alignment::Center,
 const Padding& padding = Padding{0});
 
 
 bool setWidgetCell(const Widget::Ptr& widget,
 std::size_t row,
 std::size_t column,
 Alignment alignment = Alignment::Center,
 const Padding& padding = Padding{0});
 
 
 Widget::Ptr getWidget(std::size_t row, std::size_t column) const;
 
 
 const std::unordered_map<Widget::Ptr, std::pair<std::size_t, std::size_t>>& getWidgetLocations() const;
 
 
 void setWidgetPadding(const Widget::Ptr& widget, const Padding& padding = Padding(0, 0, 0, 0));
 
 
 void setWidgetPadding(std::size_t row, std::size_t column, const Padding& padding = Padding(0, 0, 0, 0));
 
 
 Padding getWidgetPadding(const Widget::Ptr& widget) const;
 
 
 Padding getWidgetPadding(std::size_t row, std::size_t column) const;
 
 
 void setWidgetAlignment(const Widget::Ptr& widget, Alignment alignment = Alignment::Center);
 
 
 void setWidgetAlignment(std::size_t row, std::size_t column, Alignment alignment = Alignment::Center);
 
 
 Alignment getWidgetAlignment(const Widget::Ptr& widget) const;
 
 
 Alignment getWidgetAlignment(std::size_t row, std::size_t column) const;
 
 
 const std::vector<std::vector<Widget::Ptr>>& getGridWidgets() const;
 
 
 bool isMouseOnWidget(Vector2f pos) const override;
 
 
 protected:
 
 std::unique_ptr<DataIO::Node> save(SavingRenderersMap& renderers) const override;
 
 
 void load(const std::unique_ptr<DataIO::Node>& node, const LoadingRenderersMap& renderers) override;
 
 
 // Returns the minimum size required by the grid to display correctly all widgets.
 Vector2f getMinimumSize() const;
 
 
 // Reposition all the widgets.
 void updatePositionsOfAllWidgets();
 
 
 // Updates the position and size of the widget
 void updateWidgets();
 
 
 // Makes a copy of the widget
 Widget::Ptr clone() const override;
 
 
 protected:
 
 bool m_autoSize = true;
 
 std::vector<std::vector<Widget::Ptr>> m_gridWidgets;
 std::vector<std::vector<Padding>> m_objPadding;
 std::vector<std::vector<Alignment>> m_objAlignment;
 
 std::vector<float> m_rowHeight;
 std::vector<float> m_columnWidth;
 
 std::unordered_map<Widget::Ptr, std::pair<std::size_t, std::size_t>> m_widgetCells;
 
 std::unordered_map<Widget::Ptr, unsigned int> m_connectedSizeCallbacks;
 
 };
 
}
 
 
#endif // TGUI_GRID_HPP