src/gui/text/qtextcontrol_p_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 23:40:16 +0200
branchRCL_3
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QTEXTCONTROL_P_P_H
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#define QTEXTCONTROL_P_P_H
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API.  It exists purely as an
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// implementation detail.  This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "QtGui/qtextdocumentfragment.h"
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#include "QtGui/qscrollbar.h"
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#include "QtGui/qtextcursor.h"
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#include "QtGui/qtextformat.h"
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#include "QtGui/qmenu.h"
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#include "QtGui/qabstracttextdocumentlayout.h"
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#include "QtCore/qbasictimer.h"
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#include "QtCore/qpointer.h"
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#include "private/qobject_p.h"
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QT_BEGIN_NAMESPACE
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class QMimeData;
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class QAbstractScrollArea;
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class QInputContext;
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class QTextControlPrivate : public QObjectPrivate
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{
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    Q_DECLARE_PUBLIC(QTextControl)
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public:
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    QTextControlPrivate();
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    bool cursorMoveKeyEvent(QKeyEvent *e);
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    void updateCurrentCharFormat();
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    void indent();
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    void outdent();
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    void gotoNextTableCell();
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    void gotoPreviousTableCell();
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    void createAutoBulletList();
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    void init(Qt::TextFormat format = Qt::RichText, const QString &text = QString(),
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              QTextDocument *document = 0);
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    void setContent(Qt::TextFormat format = Qt::RichText, const QString &text = QString(),
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                    QTextDocument *document = 0);
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    void startDrag();
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    void paste(const QMimeData *source);
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    void setCursorPosition(const QPointF &pos);
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    void setCursorPosition(int pos, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor);
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    void repaintCursor();
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    inline void repaintSelection()
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    { repaintOldAndNewSelection(QTextCursor()); }
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    void repaintOldAndNewSelection(const QTextCursor &oldSelection);
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    void selectionChanged(bool forceEmitSelectionChanged = false);
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    void _q_updateCurrentCharFormatAndSelection();
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#ifndef QT_NO_CLIPBOARD
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    void setClipboardSelection();
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#endif
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    void _q_emitCursorPosChanged(const QTextCursor &someCursor);
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    void setBlinkingCursorEnabled(bool enable);
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    void extendWordwiseSelection(int suggestedNewPosition, qreal mouseXPosition);
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    void extendBlockwiseSelection(int suggestedNewPosition);
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    void _q_deleteSelected();
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    void _q_setCursorAfterUndoRedo(int undoPosition, int charsAdded, int charsRemoved);
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    QRectF cursorRectPlusUnicodeDirectionMarkers(const QTextCursor &cursor) const;
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    QRectF rectForPosition(int position) const;
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    QRectF selectionRect(const QTextCursor &cursor) const;
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    inline QRectF selectionRect() const
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    { return selectionRect(this->cursor); }
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    QString anchorForCursor(const QTextCursor &anchor) const;
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    void keyPressEvent(QKeyEvent *e);
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    void mousePressEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos,
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                         Qt::KeyboardModifiers modifiers,
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                         Qt::MouseButtons buttons,
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                         const QPoint &globalPos);
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    void mouseMoveEvent(Qt::MouseButtons buttons, const QPointF &pos);
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    void mouseReleaseEvent(Qt::MouseButton button, const QPointF &pos);
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    void mouseDoubleClickEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos);
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    void contextMenuEvent(const QPoint &screenPos, const QPointF &docPos, QWidget *contextWidget);
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    void focusEvent(QFocusEvent *e);
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#ifdef QT_KEYPAD_NAVIGATION
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    void editFocusEvent(QEvent *e);
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#endif
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    bool dragEnterEvent(QEvent *e, const QMimeData *mimeData);
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    void dragLeaveEvent();
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    bool dragMoveEvent(QEvent *e, const QMimeData *mimeData, const QPointF &pos);
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    bool dropEvent(const QMimeData *mimeData, const QPointF &pos, Qt::DropAction dropAction, QWidget *source);
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    void inputMethodEvent(QInputMethodEvent *);
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    void activateLinkUnderCursor(QString href = QString());
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#ifndef QT_NO_TOOLTIP
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    void showToolTip(const QPoint &globalPos, const QPointF &pos, QWidget *contextWidget);
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#endif
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    void append(const QString &text, Qt::TextFormat format = Qt::AutoText);
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    QInputContext *inputContext();
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    QTextDocument *doc;
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    bool cursorOn;
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    QTextCursor cursor;
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    bool cursorIsFocusIndicator;
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    QTextCharFormat lastCharFormat;
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    QTextCursor dndFeedbackCursor;
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    Qt::TextInteractionFlags interactionFlags;
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    QBasicTimer cursorBlinkTimer;
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    QBasicTimer trippleClickTimer;
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    QPointF trippleClickPoint;
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    bool mousePressed;
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    bool mightStartDrag;
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    QPoint dragStartPos;
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    QPointer<QWidget> contextWidget;
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    bool lastSelectionState;
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    bool ignoreAutomaticScrollbarAdjustement;
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    QTextCursor selectedWordOnDoubleClick;
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    QTextCursor selectedBlockOnTrippleClick;
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    bool overwriteMode;
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    bool acceptRichText;
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    int preeditCursor;
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    bool hideCursor; // used to hide the cursor in the preedit area
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    QVector<QAbstractTextDocumentLayout::Selection> extraSelections;
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    QPalette palette;
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    bool hasFocus;
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#ifdef QT_KEYPAD_NAVIGATION
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    bool hasEditFocus;
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#endif
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    bool isEnabled;
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    QString highlightedAnchor; // Anchor below cursor
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    QString anchorOnMousePress;
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    bool hadSelectionOnMousePress;
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    bool ignoreUnusedNavigationEvents;
0
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    bool openExternalLinks;
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    QString linkToCopy;
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    void _q_copyLink();
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    void _q_updateBlock(const QTextBlock &);
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    void _q_documentLayoutChanged();
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};
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QT_END_NAMESPACE
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#endif // QTEXTCONTROL_P_H