bwidgets/inc/basic_widgets/w/base/layout.hpp

50 lines
1.2 KiB
C++

#ifndef BWIDGETS_LAYOUT_HPP
#define BWIDGETS_LAYOUT_HPP
#include <functional>
#include <vector>
#include <basic_widgets/core/type/size.hpp>
#include <basic_widgets/w/base/widget.hpp>
namespace bwidgets
{
class Renderer;
}
namespace bwidgets
{
class Layout : public Widget
{
protected:
std::vector<std::unique_ptr<Widget>> _widgets;
void _handle_geometry_change(const SDL_Rect&) override;
void _handle_renderer_change(const std::shared_ptr<Renderer>&) override;
void _handle_rendering() override;
virtual void _update_layout(const SDL_Rect&) = 0;
public:
static const Size default_margins;
Size margins = default_margins;
using Widget::Widget;
Layout(const Layout&) = delete;
Layout(Layout&&) = delete;
~Layout() override = default;
auto operator=(const Layout&) = delete;
auto operator=(Layout&&) = delete;
void handle_event(const SDL_Event&) override;
[[nodiscard]] auto size() const noexcept -> Size override = 0;
virtual auto add_widget(std::unique_ptr<Widget>) -> Layout*;
virtual void for_widgets(const std::function<void(Widget*)>&);
};
}
#endif