OSDTopWidget.hh

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#ifndef OSDTOPWIDGET_HH
#define OSDTOPWIDGET_HH
 
#include "OSDWidget.hh"
#include "TclObject.hh"
#include "hash_set.hh"
#include "view.hh"
#include <vector>
#include <string>
 
namespace openmsx {
 
class OSDTopWidget final : public OSDWidget
{
public:
        explicit OSDTopWidget(Display& display);
        [[nodiscard]] std::string_view getType() const override;
        [[nodiscard]] gl::vec2 getSize(const OutputSurface& output) const override;
        [[nodiscard]] bool isVisible() const override;
        [[nodiscard]] bool isRecursiveFading() const override;
 
        void queueError(std::string message);
        void showAllErrors();
 
        [[nodiscard]]       OSDWidget* findByName(std::string_view name);
        [[nodiscard]] const OSDWidget* findByName(std::string_view name) const;
        void addName(OSDWidget& widget);
        void removeName(OSDWidget& widget);
        [[nodiscard]] auto getAllWidgetNames() const {
                return view::transform(widgetsByName,
                        [](auto* p) -> std::string_view { return p->getName(); });
        }
 
 
protected:
        void invalidateLocal() override;
        void paint(OutputSurface& output) override;
 
private:
        std::vector<std::string> errors;
 
        struct NameFromWidget {
                [[nodiscard]] std::string_view operator()(const OSDWidget* w) const {
                        return w->getName();
                }
        };
        hash_set<OSDWidget*, NameFromWidget, XXTclHasher> widgetsByName;
};
 
} // namespace openmsx
 
#endif