patchview.h

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/*
        Author: Marco Costalba (C) 2005-2006

        Copyright: See COPYING file that comes with this distribution

*/
#ifndef PATCHVIEW_H
#define PATCHVIEW_H

#include <qobject.h>
#include <qguardedptr.h>
#include <qregexp.h>
#include <qvaluevector.h>
#include "patchbase.h" // needed by moc_* file to understand tab() function
#include "domain.h"

class QTextEdit;
class QLineEdit;
class QRadioButton;
class DiffHighlighter;
class Git;
class MyProcess;
class StateInfo;
class Domain;
class DiffHighlighter;
class ListBoxFiles;
class TabPatch;
class RevFile;

class PatchView :public Domain {
Q_OBJECT
public:
        PatchView() {}
        PatchView(MainImpl* mi, Git* g);
        ~PatchView();
        void clear(bool complete = true);
        virtual TabPatch* tab() { return patchTab; }

signals:
        void diffTo(const QString&);
        void diffViewerDocked();

public slots:
        void on_lineEditDiff_returnPressed();
        void on_buttonGroupDiff_clicked(int);
        void on_buttonFilterPatch_clicked();
        void on_procDataReady(const QByteArray&);
        void on_eof();
        void on_highlightPatch(const QString&, bool);
        void on_updateRevDesc();

protected slots:
        virtual void on_contextMenu(const QString&, int);

protected:
        virtual bool doUpdate(bool force);

private:
        friend class DiffHighlighter;

        void updatePatch();
        void centerOnFileHeader(const QString& fileName);
        void centerTarget();
        void saveRestoreSizes(bool startup = false);
        int doSearch(const QString& txt, int pos);
        void computeMatches();
        bool getMatch(int para, int* indexFrom, int* indexTo);
        void centerMatch(uint id = 0);
        const QString processData(const QByteArray& fileChunk, int* prevLineNum = NULL);

        TabPatch* patchTab;
        DiffHighlighter* diffHighlighter;
        ListBoxFiles* listBoxFiles;
        QGuardedPtr<MyProcess> proc;
        QByteArray patchRowData;
        QString target;
        QString partialParagraphs;
        QString normalizedSha;
        bool seekTarget;
        bool diffLoaded;
        bool isRegExp;
        QRegExp pickAxeRE;

        enum ButtonId {
                DIFF_TO_PARENT = 0,
                DIFF_TO_HEAD   = 1,
                DIFF_TO_SHA    = 2
        };

        enum PatchFilter {
                VIEW_ALL,
                VIEW_ADDED,
                VIEW_REMOVED
        };
        PatchFilter curFilter, prevFilter;

        struct MatchSelection {
                int paraFrom;
                int indexFrom;
                int paraTo;
                int indexTo;
        };
        typedef QValueVector<MatchSelection> Matches;
        Matches matches;
};

#endif

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