1 files changed, 132 insertions, 0 deletions
diff --git a/cervisia/diffview.h b/cervisia/diffview.h
new file mode 100644
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+++ b/cervisia/diffview.h
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+/*
+ *  Copyright (C) 1999-2002 Bernd Gehrmann
+ *                          [email protected]
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+
+#ifndef DIFFVIEW_H
+#define DIFFVIEW_H
+
+
+#include "qttableview.h"
+
+#include <qptrcollection.h>
+#include <qptrlist.h>
+
+
+class KConfig;
+class DiffViewItem;
+
+
+class DiffViewItemList : public QPtrList<DiffViewItem>
+{
+protected:
+    virtual int compareItems(QPtrCollection::Item item1, QPtrCollection::Item item2);
+};
+
+
+class DiffView : public QtTableView
+{
+    Q_OBJECT
+
+public:
+    enum DiffType { Change, Insert, Delete, Neutral, Unchanged, Separator };
+
+    DiffView( KConfig& cfg, bool withlinenos, bool withmarker,
+              QWidget *parent=0, const char *name=0 );
+
+    void setPartner(DiffView *other);
+
+    void up()
+        { setTopCell(topCell()-1); }
+    void down()
+        { setTopCell(topCell()+1); }
+    void next()
+        { setTopCell(topCell()+viewHeight()/cellHeight()); }
+    void prior()
+        { setTopCell(topCell()-viewHeight()/cellHeight()); }
+
+    void addLine(const QString &line, DiffType type, int no=-1);
+    QString stringAtLine(int lineno);
+    void setCenterLine(int lineno);
+    void setInverted(int lineno, bool inverted);
+    int count();
+    void removeAtOffset(int offset);
+    void insertAtOffset(const QString &line, DiffType type, int offset);
+    void setCenterOffset(int offset);
+    QString stringAtOffset(int offset);
+    QByteArray compressedContent();
+
+    virtual void setFont(const QFont &font);
+    virtual int cellWidth(int col);
+    virtual QSize sizeHint() const;
+    virtual void paintCell(QPainter *p, int row, int col);
+    virtual void wheelEvent(QWheelEvent *);
+    const QScrollBar *scrollBar() const
+        { return verticalScrollBar(); }
+
+protected slots:
+    void vertPositionChanged(int val);
+    void horzPositionChanged(int val);
+
+private:
+    int findLine(int lineno);
+    DiffViewItemList items;
+    bool linenos;
+    bool marker;
+    int textwidth;
+    DiffView *partner;
+    static const int BORDER;
+
+    QColor diffChangeColor;
+    QColor diffInsertColor;
+    QColor diffDeleteColor;
+
+    int m_tabWidth;
+    KConfig& partConfig;
+};
+
+
+class DiffZoomWidget : public QFrame
+{
+    Q_OBJECT
+
+public:
+    DiffZoomWidget(KConfig& cfg, QWidget *parent=0, const char *name=0);
+    ~DiffZoomWidget();
+
+    void setDiffView(DiffView *view);
+    QSize sizeHint() const;
+
+protected:
+    void paintEvent(QPaintEvent *);
+    bool eventFilter(QObject *, QEvent *e);
+
+private:
+    DiffView *diffview;
+
+    QColor diffChangeColor;
+    QColor diffInsertColor;
+    QColor diffDeleteColor;
+};
+
+#endif
+
+
+// Local Variables:
+// c-basic-offset: 4
+// End: