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/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/

/***************************************************************************
                          pageitem.h  -  description
                             -------------------
    copyright            : Scribus Team
 ***************************************************************************/


/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/


#ifndef PAGEITEMTEXTFRAME_H
#define PAGEITEMTEXTFRAME_H

#include <QMap>
#include <QRectF>
#include <QString>
#include <QKeyEvent>

#include "scribusapi.h"
#include "pageitem.h"

class ScPainter;
class ScribusDoc;

#include "text/nlsconfig.h"

#ifdef NLS_PROTO
#include "text/sctextengine.h"
#include "text/scfont.h"
#include "sctextstruct.h"
class ScText;
class ScStyleRun;
#endif

class SCRIBUS_API PageItem_TextFrame : public PageItem
{
        Q_OBJECT

public:
        PageItem_TextFrame(ScribusDoc *pa, double x, double y, double w, double h, double w2, QString fill, QString outline);
        PageItem_TextFrame(const PageItem & p);
        ~PageItem_TextFrame() {};

        virtual PageItem_TextFrame * asTextFrame() { return this; }
        virtual bool isTextFrame() const { return true; }
       
        virtual void clearContents();
       
        /**
        * \brief Handle keyboard interaction with the text frame while in edit mode
        * @param k key event
        * @param keyRepeat a reference to the keyRepeat property
        */

        virtual void handleModeEditKey(QKeyEvent *k, bool& keyRepeat);
        void deleteSelectedTextFromFrame();
        void setNewPos(int oldPos, int len, int dir);
        void ExpandSel(int dir, int oldPos);
        void deselectAll();
       
        virtual void invalidateLayout();
        virtual void layout();

        double columnWidth();
#ifdef NLS_PROTO
        int firstTextItem() const { return itemText.firstFrameItem; }
        int lastTextItem() const { return itemText.lastFrameItem; }
#endif
        QRegion availableRegion() { return m_availableRegion; }
protected:
        QRegion calcAvailableRegion();
        QRegion m_availableRegion;
        virtual void DrawObj_Item(ScPainter *p, QRectF e);
        virtual void DrawObj_Post(ScPainter *p);
        virtual void DrawObj_Decoration(ScPainter *p);
        //void drawOverflowMarker(ScPainter *p);
        void drawUnderflowMarker(ScPainter *p);
        void drawColumnBorders(ScPainter *p);

#ifdef NLS_PROTO
        void DrawLineItem(ScPainter *p, double width,
                          ScScriptItem *item, uint itemIndex);
#endif
       
        bool unicodeTextEditMode;
        int unicodeInputCount;
        QString unicodeInputString;
       
        virtual bool createInfoGroup(QFrame *, QGridLayout *);
        virtual void applicableActions(QStringList& actionList);
        virtual QString infoDescription();
        // Move incomplete lines from the previous frame if needed.
        bool moveLinesFromPreviousFrame ();
        void adjustParagraphEndings ();

private:
        bool cursorBiasBackward;
        // If the last paragraph had to be split, this is how many lines of the paragraph are in this frame.
        // Used for orphan/widow control
        int incompleteLines;
        // This holds the line splitting positions
        QList<int> incompletePositions;

        void setShadow();
        QString currentShadow;
        QMap<QString,StoryText> shadows;
        bool checkKeyIsShortcut(QKeyEvent *k);
       
private slots:
        void slotInvalidateLayout();
};

#endif