qt-creator/src/plugins/cppeditor/cppminimizableinfobars.h

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** Copyright (C) 2016 The Qt Company Ltd.
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#pragma once

#include <QAction>
#include <QHash>
#include <QObject>

#include <functional>

namespace Core {
class Id;
class InfoBar;
}

namespace CppEditor {
namespace Internal {

class MinimizableInfoBars : public QObject
{
    Q_OBJECT

public:
    using DiagnosticWidgetCreator = std::function<QWidget *()>;
    using ActionCreator = std::function<QAction *(QWidget *widget)>;
    using Actions = QHash<Core::Id, QAction *>;

    static Actions createShowInfoBarActions(const ActionCreator &actionCreator);

public:
    explicit MinimizableInfoBars(Core::InfoBar &infoBar, QObject *parent = nullptr);

    // Expected call order: processHasProjectPart(), processHeaderDiagnostics()
    void processHasProjectPart(bool hasProjectPart);
    void processHeaderDiagnostics(const DiagnosticWidgetCreator &diagnosticWidgetCreator);

signals:
    void showAction(const Core::Id &id, bool show);

private:
    void updateNoProjectConfiguration();
    void updateHeaderErrors();

    void addNoProjectConfigurationEntry(const Core::Id &id);
    void addHeaderErrorEntry(const Core::Id &id,
                             const DiagnosticWidgetCreator &diagnosticWidgetCreator);

private:
    Core::InfoBar &m_infoBar;

    bool m_hasProjectPart = true;
    DiagnosticWidgetCreator m_diagnosticWidgetCreator;
};

} // namespace Internal
} // namespace CppEditor