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#ifndef SYMBOLSFINDFILTER_H
#define SYMBOLSFINDFILTER_H

#include "searchsymbols.h"

#include <find/ifindfilter.h>
#include <find/searchresultwindow.h>

#include <QFutureInterface>
#include <QFutureWatcher>
#include <QPointer>
#include <QWidget>
#include <QCheckBox>
#include <QRadioButton>

namespace CppTools {
namespace Internal {

class CppModelManager;

class SymbolsFindFilter : public Find::IFindFilter
{
    Q_OBJECT
public:
    enum SearchScope {
        SearchProjectsOnly,
        SearchGlobal
    };

    explicit SymbolsFindFilter(CppModelManager *manager);

    QString id() const;
    QString displayName() const;
    bool isEnabled() const;
    Find::FindFlags supportedFindFlags() const;

    void findAll(const QString &txt, Find::FindFlags findFlags);

    QWidget *createConfigWidget();
    void writeSettings(QSettings *settings);
    void readSettings(QSettings *settings);

    void setSymbolsToSearch(SearchSymbols::SymbolTypes types) { m_symbolsToSearch = types; }
    SearchSymbols::SymbolTypes symbolsToSearch() const { return m_symbolsToSearch; }

    void setSearchScope(SearchScope scope) { m_scope = scope; }
    SearchScope searchScope() const { return m_scope; }

signals:
    void symbolsToSearchChanged();

private slots:
    void openEditor(const Find::SearchResultItem &item);

    void addResults(int begin, int end);
    void finish();
    void cancel();
    void setPaused(bool paused);
    void onTaskStarted(const QString &type);
    void onAllTasksFinished(const QString &type);
    void searchAgain();

private:
    QString label() const;
    QString toolTip(Find::FindFlags findFlags) const;
    void startSearch(Find::SearchResult *search);

    CppModelManager *m_manager;
    bool m_enabled;
    QMap<QFutureWatcher<Find::SearchResultItem> *, QPointer<Find::SearchResult> > m_watchers;
    QPointer<Find::SearchResult> m_currentSearch;
    SearchSymbols::SymbolTypes m_symbolsToSearch;
    SearchScope m_scope;
};

class SymbolsFindParameters
{
public:
    QString text;
    Find::FindFlags flags;
    SearchSymbols::SymbolTypes types;
    SymbolsFindFilter::SearchScope scope;
};

class SymbolsFindFilterConfigWidget : public QWidget
{
    Q_OBJECT
public:
    SymbolsFindFilterConfigWidget(SymbolsFindFilter *filter);

private slots:
    void setState() const;
    void getState();

private:
    SymbolsFindFilter *m_filter;

    QCheckBox *m_typeClasses;
    QCheckBox *m_typeMethods;
    QCheckBox *m_typeEnums;
    QCheckBox *m_typeDeclarations;

    QRadioButton *m_searchGlobal;
    QRadioButton *m_searchProjectsOnly;
    QButtonGroup *m_searchGroup;
};

} // Internal
} // CppTools

Q_DECLARE_METATYPE(CppTools::Internal::SymbolsFindFilter::SearchScope)
Q_DECLARE_METATYPE(CppTools::Internal::SymbolsFindParameters)

#endif // SYMBOLSFINDFILTER_H
