/****************************************************************************

**

** Copyright (C) 2012 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.

**

** $QT_BEGIN_LICENSE:LGPL$

** GNU Lesser General Public License Usage

** 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.

**

** GNU General Public License Usage

** Alternatively, this file may be used under the terms of the GNU General

** Public License version 3.0 as published by the Free Software Foundation

** and appearing in the file LICENSE.GPL included in the packaging of this

** file. Please review the following information to ensure the GNU General

** Public License version 3.0 requirements will be met:

** http://www.gnu.org/copyleft/gpl.html.

**

** Other Usage

** Alternatively, this file may be used in accordance with the terms and

** conditions contained in a signed written agreement between you and Nokia.

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** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QTEXTCONTROL_P_P_H

#define QTEXTCONTROL_P_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/qtextdocumentfragment.h"

#include "QtGui/qscrollbar.h"

#include "QtGui/qtextcursor.h"

#include "QtGui/qtextformat.h"

#include "QtGui/qmenu.h"

#include "QtGui/qabstracttextdocumentlayout.h"

#include "QtCore/qbasictimer.h"

#include "QtCore/qpointer.h"

#include "private/qobject_p.h"

QT_BEGIN_NAMESPACE

class QMimeData;

class QAbstractScrollArea;

class QInputContext;

class QTextControlPrivate : public QObjectPrivate

{

    Q_DECLARE_PUBLIC(QTextControl)

public:

    QTextControlPrivate();

    bool cursorMoveKeyEvent(QKeyEvent *e);

    void updateCurrentCharFormat();

    void indent();

    void outdent();

    void gotoNextTableCell();

    void gotoPreviousTableCell();

    void createAutoBulletList();

    void init(Qt::TextFormat format = Qt::RichText, const QString &text = QString(),

              QTextDocument *document = 0);

    void setContent(Qt::TextFormat format = Qt::RichText, const QString &text = QString(),

                    QTextDocument *document = 0);

    void startDrag();

    void paste(const QMimeData *source);

    void setCursorPosition(const QPointF &pos);

    void setCursorPosition(int pos, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor);

    void repaintCursor();

    inline void repaintSelection()

    { repaintOldAndNewSelection(QTextCursor()); }

    void repaintOldAndNewSelection(const QTextCursor &oldSelection);

    void selectionChanged(bool forceEmitSelectionChanged = false);

    void _q_updateCurrentCharFormatAndSelection();

#ifndef QT_NO_CLIPBOARD

    void setClipboardSelection();

#endif

    void _q_emitCursorPosChanged(const QTextCursor &someCursor);

    void setBlinkingCursorEnabled(bool enable);

    void extendWordwiseSelection(int suggestedNewPosition, qreal mouseXPosition);

    void extendBlockwiseSelection(int suggestedNewPosition);

    void _q_deleteSelected();

    void _q_setCursorAfterUndoRedo(int undoPosition, int charsAdded, int charsRemoved);

    QRectF cursorRectPlusUnicodeDirectionMarkers(const QTextCursor &cursor) const;

    QRectF rectForPosition(int position) const;

    QRectF selectionRect(const QTextCursor &cursor) const;

    inline QRectF selectionRect() const

    { return selectionRect(this->cursor); }

    QString anchorForCursor(const QTextCursor &anchor) const;

    void keyPressEvent(QKeyEvent *e);

    void mousePressEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos,

                         Qt::KeyboardModifiers modifiers,

                         Qt::MouseButtons buttons,

                         const QPoint &globalPos);

    void mouseMoveEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos,

                        Qt::KeyboardModifiers modifiers,

                        Qt::MouseButtons buttons,

                        const QPoint &globalPos);

    void mouseReleaseEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos,

                           Qt::KeyboardModifiers modifiers,

                           Qt::MouseButtons buttons,

                           const QPoint &globalPos);

    void mouseDoubleClickEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos,

                               Qt::KeyboardModifiers modifiers,

                               Qt::MouseButtons buttons,

                               const QPoint &globalPos);

    bool sendMouseEventToInputContext(QEvent *e,  QEvent::Type eventType, Qt::MouseButton button,

                                      const QPointF &pos,

                                      Qt::KeyboardModifiers modifiers,

                                      Qt::MouseButtons buttons,

                                      const QPoint &globalPos);

    void contextMenuEvent(const QPoint &screenPos, const QPointF &docPos, QWidget *contextWidget);

    void focusEvent(QFocusEvent *e);

#ifdef QT_KEYPAD_NAVIGATION

    void editFocusEvent(QEvent *e);

#endif

    bool dragEnterEvent(QEvent *e, const QMimeData *mimeData);

    void dragLeaveEvent();

    bool dragMoveEvent(QEvent *e, const QMimeData *mimeData, const QPointF &pos);

    bool dropEvent(const QMimeData *mimeData, const QPointF &pos, Qt::DropAction dropAction, QWidget *source);

    void inputMethodEvent(QInputMethodEvent *);

    void activateLinkUnderCursor(QString href = QString());

#ifndef QT_NO_TOOLTIP

    void showToolTip(const QPoint &globalPos, const QPointF &pos, QWidget *contextWidget);

#endif

    void append(const QString &text, Qt::TextFormat format = Qt::AutoText);

    QInputContext *inputContext();

    QTextDocument *doc;

    bool cursorOn;

    QTextCursor cursor;

    bool cursorIsFocusIndicator;

    QTextCharFormat lastCharFormat;

    QTextCursor dndFeedbackCursor;

    Qt::TextInteractionFlags interactionFlags;

    QBasicTimer cursorBlinkTimer;

    QBasicTimer trippleClickTimer;

    QPointF trippleClickPoint;

    bool dragEnabled;

    bool mousePressed;

    bool mightStartDrag;

    QPoint dragStartPos;

    QPointer<QWidget> contextWidget;

    bool lastSelectionState;

    bool ignoreAutomaticScrollbarAdjustement;

    QTextCursor selectedWordOnDoubleClick;

    QTextCursor selectedBlockOnTrippleClick;

    bool overwriteMode;

    bool acceptRichText;

    int preeditCursor;

    bool hideCursor; // used to hide the cursor in the preedit area

    QVector<QAbstractTextDocumentLayout::Selection> extraSelections;

    QPalette palette;

    bool hasFocus;

#ifdef QT_KEYPAD_NAVIGATION

    bool hasEditFocus;

#endif

    bool isEnabled;

    QString highlightedAnchor; // Anchor below cursor

    QString anchorOnMousePress;

    bool hadSelectionOnMousePress;

    bool ignoreUnusedNavigationEvents;

    bool openExternalLinks;

    bool wordSelectionEnabled;

    QString linkToCopy;

    void _q_copyLink();

    void _q_updateBlock(const QTextBlock &);

    void _q_documentLayoutChanged();

};

QT_END_NAMESPACE

#endif // QTEXTCONTROL_P_H