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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef FAKEVIM_HANDLER_H
#define FAKEVIM_HANDLER_H
#include "fakevimactions.h"
#include <QtCore/QObject>
#include <QtGui/QTextEdit>
namespace FakeVim {
namespace Internal {
enum RangeMode
{
RangeCharMode, // v
RangeLineMode, // V
RangeLineModeExclusive,
RangeBlockMode, // Ctrl-v
RangeBlockAndTailMode // Ctrl-v for D and X
};
struct Range
{
Range();
Range(int b, int e, RangeMode m = RangeCharMode);
QString toString() const;
int beginPos;
int endPos;
RangeMode rangemode;
};
struct ExCommand
{
ExCommand() : hasBang(false), count(1) {}
ExCommand(const QString &cmd, const QString &args = QString(),
const Range &range = Range());
bool matches(const QString &min, const QString &full) const;
QString cmd;
bool hasBang;
QString args;
Range range;
int count;
};
class FakeVimHandler : public QObject
{
Q_OBJECT
public:
explicit FakeVimHandler(QWidget *widget, QObject *parent = 0);
~FakeVimHandler();
QWidget *widget();
// call before widget is deleted
void disconnectFromEditor();
public slots:
void setCurrentFileName(const QString &fileName);
QString currentFileName() const;
void showBlackMessage(const QString &msg);
void showRedMessage(const QString &msg);
// This executes an "ex" style command taking context
// information from the current widget.
void handleCommand(const QString &cmd);
void installEventFilter();
// Convenience
void setupWidget();
void restoreWidget(int tabSize);
// Test only
int physicalIndentation(const QString &line) const;
int logicalIndentation(const QString &line) const;
QString tabExpand(int n) const;
signals:
void commandBufferChanged(const QString &msg);
void statusDataChanged(const QString &msg);
void extraInformationChanged(const QString &msg);
void selectionChanged(const QList<QTextEdit::ExtraSelection> &selection);
void writeAllRequested(QString *error);
void moveToMatchingParenthesis(bool *moved, bool *forward, QTextCursor *cursor);
void checkForElectricCharacter(bool *result, QChar c);
void indentRegion(int beginLine, int endLine, QChar typedChar);
void completionRequested();
void simpleCompletionRequested(const QString &needle, bool forward);
void windowCommandRequested(int key);
void findRequested(bool reverse);
void findNextRequested(bool reverse);
void handleExCommandRequested(bool *handled, const ExCommand &cmd);
void requestSetBlockSelection(bool on);
void requestHasBlockSelection(bool *on);
public:
class Private;
private:
bool eventFilter(QObject *ob, QEvent *ev);
Private *d;
};
} // namespace Internal
} // namespace FakeVim
Q_DECLARE_METATYPE(FakeVim::Internal::ExCommand)
#endif // FAKEVIM_HANDLER_H
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