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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef FAKEVIM_HANDLER_H
#define FAKEVIM_HANDLER_H
#include <QObject>
#include <QTextEdit>
namespace FakeVim {
namespace Internal {
enum RangeMode
{
// Reordering first three enum items here will break
// compatibility with clipboard format stored by Vim.
RangeCharMode, // v
RangeLineMode, // V
RangeBlockMode, // Ctrl-v
RangeLineModeExclusive,
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;
};
// message levels sorted by severity
enum MessageLevel
{
MessageMode, // show current mode (format "-- %1 --")
MessageCommand, // show last Ex command or search
MessageInfo, // result of a command
MessageWarning, // warning
MessageError, // error
MessageShowCmd // partial command
};
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 showMessage(MessageLevel level, const QString &msg);
// This executes an "ex" style command taking context
// information from the current widget.
void handleCommand(const QString &cmd);
void handleReplay(const QString &keys);
void handleInput(const QString &keys);
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;
void miniBufferTextEdited(const QString &text, int cursorPos, int anchorPos);
// Set text cursor position. Keeps anchor if in visual mode.
void setTextCursorPosition(int position);
QTextCursor textCursor() const;
void setTextCursor(const QTextCursor &cursor);
bool jumpToLocalMark(QChar mark, bool backTickMode);
signals:
void commandBufferChanged(const QString &msg, int cursorPos,
int anchorPos, int messageLevel, QObject *eventFilter);
void statusDataChanged(const QString &msg);
void extraInformationChanged(const QString &msg);
void selectionChanged(const QList<QTextEdit::ExtraSelection> &selection);
void highlightMatches(const QString &needle);
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(const QString &key, int count);
void findRequested(bool reverse);
void findNextRequested(bool reverse);
void handleExCommandRequested(bool *handled, const ExCommand &cmd);
void requestSetBlockSelection(bool on);
void requestHasBlockSelection(bool *on);
void foldToggle(int depth);
void foldAll(bool fold);
void fold(int depth, bool fold);
void foldGoTo(int count, bool current);
void jumpToGlobalMark(QChar mark, bool backTickMode, const QString &fileName);
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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