/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** use the contact form at http://qt.digia.com/contact-us.
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** following information to ensure the GNU Lesser General Public License
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**
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****************************************************************************/

#ifndef QDECLARATIVETEXTINPUT_P_H
#define QDECLARATIVETEXTINPUT_P_H

#include "private/qdeclarativetextinput_p.h"

#include "private/qdeclarativeimplicitsizeitem_p_p.h"

#include <qdeclarative.h>

#include <QPointer>

#include <private/qwidgetlinecontrol_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.

#ifndef QT_NO_LINEEDIT

QT_BEGIN_NAMESPACE

class Q_AUTOTEST_EXPORT QDeclarativeTextInputPrivate : public QDeclarativeImplicitSizePaintedItemPrivate
{
    Q_DECLARE_PUBLIC(QDeclarativeTextInput)
public:
    QDeclarativeTextInputPrivate() : control(new QWidgetLineControl),
                 color((QRgb)0), style(QDeclarativeText::Normal),
                 styleColor((QRgb)0), hAlign(QDeclarativeTextInput::AlignLeft),
                 mouseSelectionMode(QDeclarativeTextInput::SelectCharacters), inputMethodHints(Qt::ImhNone),
                 hscroll(0), oldScroll(0), oldValidity(false), focused(false), focusOnPress(true),
                 showInputPanelOnFocus(true), clickCausedFocus(false), cursorVisible(false),
                 autoScroll(true), selectByMouse(false), canPaste(false), canPasteValid(false)
               , hAlignImplicit(true), selectPressed(false)
    {
    }

    ~QDeclarativeTextInputPrivate()
    {
    }

    int xToPos(int x, QTextLine::CursorPosition betweenOrOn = QTextLine::CursorBetweenCharacters) const
    {
        Q_Q(const QDeclarativeTextInput);
        QRect cr = q->boundingRect().toRect();
        x-= cr.x() - hscroll;
        return control->xToPos(x, betweenOrOn);
    }

    void init();
    void startCreatingCursor();
    void focusChanged(bool hasFocus);
    void updateHorizontalScroll();
    bool determineHorizontalAlignment();
    bool setHAlign(QDeclarativeTextInput::HAlignment, bool forceAlign = false);
    void mirrorChange();
    int calculateTextWidth();
    bool sendMouseEventToInputContext(QGraphicsSceneMouseEvent *event, QEvent::Type eventType);
    void updateInputMethodHints();

    QWidgetLineControl* control;

    QFont font;
    QFont sourceFont;
    QColor  color;
    QColor  selectionColor;
    QColor  selectedTextColor;
    QDeclarativeText::TextStyle style;
    QColor  styleColor;
    QDeclarativeTextInput::HAlignment hAlign;
    QDeclarativeTextInput::SelectionMode mouseSelectionMode;
    Qt::InputMethodHints inputMethodHints;
    QPointer<QDeclarativeComponent> cursorComponent;
    QPointer<QDeclarativeItem> cursorItem;
    QPointF pressPos;

    int lastSelectionStart;
    int lastSelectionEnd;
    int oldHeight;
    int oldWidth;
    int hscroll;
    int oldScroll;
    bool oldValidity:1;
    bool focused:1;
    bool focusOnPress:1;
    bool showInputPanelOnFocus:1;
    bool clickCausedFocus:1;
    bool cursorVisible:1;
    bool autoScroll:1;
    bool selectByMouse:1;
    mutable bool canPaste:1;
    mutable bool canPasteValid:1;
    bool hAlignImplicit:1;
    bool selectPressed:1;

    static inline QDeclarativeTextInputPrivate *get(QDeclarativeTextInput *t) {
        return t->d_func();
    }
};

QT_END_NAMESPACE

#endif // QT_NO_LINEEDIT

#endif

