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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
**************************************************************************/
#ifndef BASETEXTEDITOR_P_H
#define BASETEXTEDITOR_P_H
#include "basetexteditor.h"
#include <QtCore/QBasicTimer>
#include <QtCore/QTimeLine>
#include <QtCore/QSharedData>
#include <QtGui/QTextEdit>
#include <QtGui/QPixmap>
namespace TextEditor {
class BaseTextDocument;
namespace Internal {
//========== Pointers with reference count ==========
template <class T> class QRefCountData : public QSharedData
{
public:
QRefCountData(T *data) { m_data = data; }
~QRefCountData() { delete m_data; }
T *m_data;
};
/* MOSTLY COPIED FROM QSHAREDDATA(-POINTER) */
template <class T> class QRefCountPointer
{
public:
inline T &operator*() { return d ? *(d->m_data) : 0; }
inline const T &operator*() const { return d ? *(d->m_data) : 0; }
inline T *operator->() { return d ? d->m_data : 0; }
inline const T *operator->() const { return d ? d->m_data : 0; }
inline operator T *() { return d ? d->m_data : 0; }
inline operator const T *() const { return d ? d->m_data : 0; }
inline bool operator==(const QRefCountPointer<T> &other) const { return d == other.d; }
inline bool operator!=(const QRefCountPointer<T> &other) const { return d != other.d; }
inline QRefCountPointer() { d = 0; }
inline ~QRefCountPointer() { if (d && !d->ref.deref()) delete d; }
explicit QRefCountPointer(T *data) {
if (data) {
d = new QRefCountData<T>(data);
d->ref.ref();
}
else {
d = 0;
}
}
inline QRefCountPointer(const QRefCountPointer<T> &o) : d(o.d) { if (d) d->ref.ref(); }
inline QRefCountPointer<T> & operator=(const QRefCountPointer<T> &o) {
if (o.d != d) {
if (d && !d->ref.deref())
delete d;
//todo: atomic assign of pointers
d = o.d;
if (d)
d->ref.ref();
}
return *this;
}
inline QRefCountPointer &operator=(T *o) {
if (d == 0 || d->m_data != o) {
if (d && !d->ref.deref())
delete d;
d = new QRefCountData<T>(o);
if (d)
d->ref.ref();
}
return *this;
}
inline bool operator!() const { return !d; }
private:
QRefCountData<T> *d;
};
//================BaseTextEditorPrivate==============
class BaseTextEditorPrivate
{
BaseTextEditorPrivate(const BaseTextEditorPrivate &);
BaseTextEditorPrivate &operator=(const BaseTextEditorPrivate &);
public:
BaseTextEditorPrivate();
~BaseTextEditorPrivate();
#ifndef TEXTEDITOR_STANDALONE
void setupBasicEditActions(TextEditorActionHandler *actionHandler);
#endif
void setupDocumentSignals(BaseTextDocument *document);
void updateLineSelectionColor();
#ifndef TEXTEDITOR_STANDALONE
bool needMakeWritableCheck() const;
#endif
void print(QPrinter *printer);
QTextBlock m_firstVisible;
int m_lastScrollPos;
int m_lineNumber;
BaseTextEditor *q;
bool m_contentsChanged;
QList<QTextEdit::ExtraSelection> m_syntaxHighlighterSelections;
QTextEdit::ExtraSelection m_lineSelection;
QRefCountPointer<BaseTextDocument> m_document;
QByteArray m_tempState;
QString m_displayName;
bool m_parenthesesMatchingEnabled;
QTimer *m_updateTimer;
// parentheses matcher
bool m_formatRange;
QTextCharFormat m_matchFormat;
QTextCharFormat m_mismatchFormat;
QTextCharFormat m_rangeFormat;
QTimer *m_parenthesesMatchingTimer;
// end parentheses matcher
QWidget *m_extraArea;
DisplaySettings m_displaySettings;
InteractionSettings m_interactionSettings;
int extraAreaSelectionAnchorBlockNumber;
int extraAreaToggleMarkBlockNumber;
int extraAreaHighlightCollapseBlockNumber;
int extraAreaCollapseAlpha;
int extraAreaHighlightFadingBlockNumber;
QTimeLine *extraAreaTimeLine;
QBasicTimer collapsedBlockTimer;
int visibleCollapsedBlockNumber;
int suggestedVisibleCollapsedBlockNumber;
void clearVisibleCollapsedBlock();
QBasicTimer autoScrollTimer;
void updateMarksLineNumber();
void updateMarksBlock(const QTextBlock &block);
uint m_marksVisible : 1;
uint m_codeFoldingVisible : 1;
uint m_revisionsVisible : 1;
uint m_lineNumbersVisible : 1;
uint m_highlightCurrentLine : 1;
uint m_requestMarkEnabled : 1;
uint m_lineSeparatorsAllowed : 1;
int m_visibleWrapColumn;
QTextCharFormat m_ifdefedOutFormat;
QRegExp m_searchExpr;
QTextDocument::FindFlags m_findFlags;
QTextCharFormat m_searchResultFormat;
QTextCharFormat m_searchScopeFormat;
QTextCharFormat m_currentLineFormat;
void highlightSearchResults(const QTextBlock &block,
QVector<QTextLayout::FormatRange> *selections);
BaseTextEditorEditable *m_editable;
QObject *m_actionHack;
QList<QTextEdit::ExtraSelection> m_extraSelections[BaseTextEditor::NExtraSelectionKinds];
// block selection mode
bool m_inBlockSelectionMode;
bool m_lastEventWasBlockSelectionEvent;
int m_blockSelectionExtraX;
void clearBlockSelection();
QString copyBlockSelection();
void removeBlockSelection(const QString &text = QString());
QTextCursor m_findScope;
QTextCursor m_selectBlockAnchor;
void moveCursorVisible(bool ensureVisible = true);
};
} // namespace Internal
} // namespace TextEditor
#endif // BASETEXTEDITOR_P_H
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