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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include <QObject>
#include <QTextEdit>
#include <functional>
#include <vector>
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() = default;
Range(int b, int e, RangeMode m = RangeCharMode);
QString toString() const;
bool isValid() const;
int beginPos = -1;
int endPos = -1;
RangeMode rangemode = RangeCharMode;
};
struct ExCommand
{
ExCommand() = default;
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 = false;
QString args;
Range range;
int count = 1;
};
// 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
};
template <typename Type>
class Signal
{
public:
using Callable = std::function<Type>;
void connect(const Callable &callable) { m_callables.push_back(callable); }
template <typename ...Args>
void operator()(Args ...args) const
{
for (const Callable &callable : m_callables)
callable(args...);
}
private:
std::vector<Callable> m_callables;
};
class FakeVimHandler : public QObject
{
Q_OBJECT
public:
explicit FakeVimHandler(QWidget *widget, QObject *parent = nullptr);
~FakeVimHandler() override;
QWidget *widget();
// call before widget is deleted
void disconnectFromEditor();
static void updateGlobalMarksFilenames(const QString &oldFileName, const QString &newFileName);
public:
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 enterCommandMode();
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);
bool eventFilter(QObject *ob, QEvent *ev) override;
Signal<void(const QString &msg, int cursorPos, int anchorPos, int messageLevel)> commandBufferChanged;
Signal<void(const QString &msg)> statusDataChanged;
Signal<void(const QString &msg)> extraInformationChanged;
Signal<void(const QList<QTextEdit::ExtraSelection> &selection)> selectionChanged;
Signal<void(const QString &needle)> highlightMatches;
Signal<void(bool *moved, bool *forward, QTextCursor *cursor)> moveToMatchingParenthesis;
Signal<void(bool *result, QChar c)> checkForElectricCharacter;
Signal<void(int beginLine, int endLine, QChar typedChar)> indentRegion;
Signal<void(const QString &needle, bool forward)> simpleCompletionRequested;
Signal<void(const QString &key, int count)> windowCommandRequested;
Signal<void(bool reverse)> findRequested;
Signal<void(bool reverse)> findNextRequested;
Signal<void(bool *handled, const ExCommand &cmd)> handleExCommandRequested;
Signal<void()> requestDisableBlockSelection;
Signal<void(const QTextCursor &cursor)> requestSetBlockSelection;
Signal<void(QTextCursor *cursor)> requestBlockSelection;
Signal<void(bool *on)> requestHasBlockSelection;
Signal<void(int depth)> foldToggle;
Signal<void(bool fold)> foldAll;
Signal<void(int depth, bool dofold)> fold;
Signal<void(int count, bool current)> foldGoTo;
Signal<void(QChar mark, bool backTickMode, const QString &fileName)> requestJumpToLocalMark;
Signal<void(QChar mark, bool backTickMode, const QString &fileName)> requestJumpToGlobalMark;
Signal<void()> completionRequested;
Signal<void()> tabPreviousRequested;
Signal<void()> tabNextRequested;
public:
class Private;
private:
Private *d;
};
} // namespace Internal
} // namespace FakeVim
Q_DECLARE_METATYPE(FakeVim::Internal::ExCommand)
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