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/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception version
** 1.2, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
#ifndef VCSBaseBASEEDITOR_H
#define VCSBaseBASEEDITOR_H
#include "vcsbase_global.h"
#include <texteditor/basetexteditor.h>
#include <QtCore/QSet>
QT_BEGIN_NAMESPACE
class QAction;
class QTextCodec;
class QTextCursor;
QT_END_NAMESPACE
namespace Core {
class ICore;
}
namespace VCSBase {
struct VCSBaseEditorPrivate;
class DiffHighlighter;
class BaseAnnotationHighlighter;
// Contents of a VCSBaseEditor
enum EditorContentType {
// No special handling.
RegularCommandOutput,
// Log of a file under revision control. Provide 'click on change'
// description.
LogOutput,
// <change description>: file line
// Color per change number and provide 'click on change' description.
AnnotateOutput,
// Diff output. Might includes describe output, which consists of a
// header and diffs. Interaction is 'double click in hunk' which
// opens the file
DiffOutput
};
// Helper struct used to parametrize an editor with mime type, context
// and kind. The extension is currently only a suggestion when running
// VCS commands with redirection.
struct VCSBASE_EXPORT VCSBaseEditorParameters {
EditorContentType type;
const char *kind;
const char *context;
const char *mimeType;
const char *extension;
};
// Base class for editors showing version control system output
// of the type enumerated by EditorContentType.
// The source property should contain the file or directory the log
// refers to and will be emitted with describeRequested().
// This is for VCS that need a current directory.
class VCSBASE_EXPORT VCSBaseEditor : public TextEditor::BaseTextEditor
{
Q_PROPERTY(QString source READ source WRITE setSource);
Q_PROPERTY(QTextCodec *codec READ codec WRITE setCodec);
Q_OBJECT
protected:
// Initialization requires calling init() (which in turns calls
// virtual functions).
explicit VCSBaseEditor(const VCSBaseEditorParameters *type,
QWidget *parent);
public:
void init();
virtual ~VCSBaseEditor();
QString source() const;
void setSource(const QString &source);
QTextCodec *codec() const;
void setCodec(QTextCodec *);
bool isModified() const;
EditorContentType contentType() const;
// Utility to find a parameter set by type in an array.
static const VCSBaseEditorParameters *
findType(const VCSBaseEditorParameters *array, int arraySize, EditorContentType et);
// Utility to find the codec for a source (file or directory), querying
// the editor manager and the project managers (defaults to system codec).
// The codec should be set on editors displaying diff or annotation
// output.
static QTextCodec *getCodec(const Core::ICore *core, const QString &source);
// Utility to return the editor from the IEditor returned by the editor
// manager which is a BaseTextEditable.
static VCSBaseEditor *getVcsBaseEditor(const Core::IEditor *editor);
signals:
void describeRequested(const QString &source, const QString &change);
public slots:
// Convenience slot to set data read from stdout, will use the
// documents' codec to decode
void setPlainTextData(const QByteArray &data);
protected:
virtual TextEditor::BaseTextEditorEditable *createEditableInterface();
void contextMenuEvent(QContextMenuEvent *e);
void mouseMoveEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
void mouseDoubleClickEvent(QMouseEvent *e);
void keyPressEvent(QKeyEvent *);
public slots:
void setFontSettings(const TextEditor::FontSettings &);
private slots:
void describe();
void slotActivateAnnotation();
private:
// Implement to return a set of change identifiers in
// annotation mode
virtual QSet<QString> annotationChanges() const = 0;
// Implement to identify a change number at the cursor position
virtual QString changeUnderCursor(const QTextCursor &) const = 0;
// Factory functions for highlighters
virtual DiffHighlighter *createDiffHighlighter() const = 0;
virtual BaseAnnotationHighlighter *createAnnotationHighlighter(const QSet<QString> &changes) const = 0;
// Implement to return a local file name from the diff file specification
// (text cursor at position above change hunk)
virtual QString fileNameFromDiffSpecification(const QTextBlock &diffFileSpec) const = 0;
void jumpToChangeFromDiff(QTextCursor cursor);
VCSBaseEditorPrivate *m_d;
};
} // namespace Internal
#endif // VCSBaseBASEEDITOR_H
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