/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTEXTCONTROL_P_H
#define QTEXTCONTROL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtGui/qtextdocument.h>
#include <QtGui/qtextoption.h>
#include <QtGui/qtextcursor.h>
#include <QtGui/qtextformat.h>
#include <QtGui/qtextedit.h>
#include <QtGui/qmenu.h>
#include <QtCore/qrect.h>
#include <QtGui/qabstracttextdocumentlayout.h>
#include <QtGui/qtextdocumentfragment.h>
#include <QtGui/qclipboard.h>
#ifdef QT3_SUPPORT
#include <QtGui/qtextobject.h>
#include <QtGui/qtextlayout.h>
#endif
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class QStyleSheet;
class QTextDocument;
class QMenu;
class QTextControlPrivate;
class QMimeData;
class QAbstractScrollArea;
class QEvent;
class QTimerEvent;
class Q_GUI_EXPORT QTextControl : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QTextControl)
#ifndef QT_NO_TEXTHTMLPARSER
Q_PROPERTY(QString html READ toHtml WRITE setHtml NOTIFY textChanged USER true)
#endif
Q_PROPERTY(bool overwriteMode READ overwriteMode WRITE setOverwriteMode)
Q_PROPERTY(bool acceptRichText READ acceptRichText WRITE setAcceptRichText)
Q_PROPERTY(int cursorWidth READ cursorWidth WRITE setCursorWidth)
Q_PROPERTY(Qt::TextInteractionFlags textInteractionFlags READ textInteractionFlags WRITE setTextInteractionFlags)
Q_PROPERTY(bool openExternalLinks READ openExternalLinks WRITE setOpenExternalLinks)
Q_PROPERTY(bool ignoreUnusedNavigationEvents READ ignoreUnusedNavigationEvents WRITE setIgnoreUnusedNavigationEvents)
public:
explicit QTextControl(QObject *parent = 0);
explicit QTextControl(const QString &text, QObject *parent = 0);
explicit QTextControl(QTextDocument *doc, QObject *parent = 0);
virtual ~QTextControl();
void setDocument(QTextDocument *document);
QTextDocument *document() const;
void setTextCursor(const QTextCursor &cursor);
QTextCursor textCursor() const;
void setTextInteractionFlags(Qt::TextInteractionFlags flags);
Qt::TextInteractionFlags textInteractionFlags() const;
void mergeCurrentCharFormat(const QTextCharFormat &modifier);
void setCurrentCharFormat(const QTextCharFormat &format);
QTextCharFormat currentCharFormat() const;
bool find(const QString &exp, QTextDocument::FindFlags options = 0);
inline QString toPlainText() const
{ return document()->toPlainText(); }
#ifndef QT_NO_TEXTHTMLPARSER
inline QString toHtml() const
{ return document()->toHtml(); }
#endif
virtual void ensureCursorVisible();
virtual QVariant loadResource(int type, const QUrl &name);
#ifndef QT_NO_CONTEXTMENU
QMenu *createStandardContextMenu(const QPointF &pos, QWidget *parent);
#endif
QTextCursor cursorForPosition(const QPointF &pos) const;
QRectF cursorRect(const QTextCursor &cursor) const;
QRectF cursorRect() const;
QRectF selectionRect(const QTextCursor &cursor) const;
QRectF selectionRect() const;
QString anchorAt(const QPointF &pos) const;
QPointF anchorPosition(const QString &name) const;
QString anchorAtCursor() const;
bool overwriteMode() const;
void setOverwriteMode(bool overwrite);
int cursorWidth() const;
void setCursorWidth(int width);
bool acceptRichText() const;
void setAcceptRichText(bool accept);
#ifndef QT_NO_TEXTEDIT
void setExtraSelections(const QList<QTextEdit::ExtraSelection> &selections);
QList<QTextEdit::ExtraSelection> extraSelections() const;
#endif
void setTextWidth(qreal width);
qreal textWidth() const;
QSizeF size() const;
void setOpenExternalLinks(bool open);
bool openExternalLinks() const;
void setIgnoreUnusedNavigationEvents(bool ignore);
bool ignoreUnusedNavigationEvents() const;
void moveCursor(QTextCursor::MoveOperation op, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor);
bool canPaste() const;
void setCursorIsFocusIndicator(bool b);
bool cursorIsFocusIndicator() const;
#ifndef QT_NO_PRINTER
void print(QPrinter *printer) const;
#endif
virtual int hitTest(const QPointF &point, Qt::HitTestAccuracy accuracy) const;
virtual QRectF blockBoundingRect(const QTextBlock &block) const;
QAbstractTextDocumentLayout::PaintContext getPaintContext(QWidget *widget) const;
public Q_SLOTS:
void setPlainText(const QString &text);
void setHtml(const QString &text);
#ifndef QT_NO_CLIPBOARD
void cut();
void copy();
void paste(QClipboard::Mode mode = QClipboard::Clipboard);
#endif
void undo();
void redo();
void clear();
void selectAll();
void insertPlainText(const QString &text);
#ifndef QT_NO_TEXTHTMLPARSER
void insertHtml(const QString &text);
#endif
void append(const QString &text);
void appendHtml(const QString &html);
void appendPlainText(const QString &text);
void adjustSize();
Q_SIGNALS:
void textChanged();
void undoAvailable(bool b);
void redoAvailable(bool b);
void currentCharFormatChanged(const QTextCharFormat &format);
void copyAvailable(bool b);
void selectionChanged();
void cursorPositionChanged();
// control signals
void updateRequest(const QRectF &rect = QRectF());
void documentSizeChanged(const QSizeF &);
void blockCountChanged(int newBlockCount);
void visibilityRequest(const QRectF &rect);
void microFocusChanged();
void linkActivated(const QString &link);
void linkHovered(const QString &);
void modificationChanged(bool m);
public:
// control properties
QPalette palette() const;
void setPalette(const QPalette &pal);
virtual void processEvent(QEvent *e, const QMatrix &matrix, QWidget *contextWidget = 0);
void processEvent(QEvent *e, const QPointF &coordinateOffset = QPointF(), QWidget *contextWidget = 0);
// control methods
void drawContents(QPainter *painter, const QRectF &rect = QRectF(), QWidget *widget = 0);
void setFocus(bool focus, Qt::FocusReason = Qt::OtherFocusReason);
virtual QVariant inputMethodQuery(Qt::InputMethodQuery property) const;
virtual QMimeData *createMimeDataFromSelection() const;
virtual bool canInsertFromMimeData(const QMimeData *source) const;
virtual void insertFromMimeData(const QMimeData *source);
bool setFocusToAnchor(const QTextCursor &newCursor);
bool setFocusToNextOrPreviousAnchor(bool next);
bool findNextPrevAnchor(const QTextCursor& from, bool next, QTextCursor& newAnchor);
protected:
virtual void timerEvent(QTimerEvent *e);
virtual bool event(QEvent *e);
private:
Q_DISABLE_COPY(QTextControl)
Q_PRIVATE_SLOT(d_func(), void _q_updateCurrentCharFormatAndSelection())
Q_PRIVATE_SLOT(d_func(), void _q_emitCursorPosChanged(const QTextCursor &))
Q_PRIVATE_SLOT(d_func(), void _q_deleteSelected())
Q_PRIVATE_SLOT(d_func(), void _q_copyLink())
Q_PRIVATE_SLOT(d_func(), void _q_updateBlock(const QTextBlock &))
Q_PRIVATE_SLOT(d_func(), void _q_documentLayoutChanged())
};
#ifndef QT_NO_CONTEXTMENU
class QUnicodeControlCharacterMenu : public QMenu
{
Q_OBJECT
public:
QUnicodeControlCharacterMenu(QObject *editWidget, QWidget *parent);
private Q_SLOTS:
void menuActionTriggered();
private:
QObject *editWidget;
};
#endif // QT_NO_CONTEXTMENU
// also used by QLabel
class QTextEditMimeData : public QMimeData
{
public:
inline QTextEditMimeData(const QTextDocumentFragment &aFragment) : fragment(aFragment) {}
virtual QStringList formats() const;
protected:
virtual QVariant retrieveData(const QString &mimeType, QVariant::Type type) const;
private:
void setup() const;
mutable QTextDocumentFragment fragment;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QTEXTCONTROL_H