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548 lines
23 KiB
548 lines
23 KiB
/* This file is part of the KDE project
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Copyright (C) 1998, 1999, 2000 Reginald Stadlbauer <reggie@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef kwtextframeset_h
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#define kwtextframeset_h
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#include "KoRichText.h"
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#include "KWFrameSet.h"
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#include "KWFrameSetEdit.h"
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#include <KoTextView.h>
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#include <KoParagLayout.h>
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#include <KoChangeCaseDia.h>
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#include "KWVariable.h"
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class KoGenStyles;
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class KoParagStyle;
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class KWDocument;
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class DCOPObject;
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#ifndef KWTextFormat
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#define KWTextFormat KoTextFormat
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#endif
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class KWViewMode;
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class KWTextDocument;
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class KWordFrameSetIface;
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class KWFrame;
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class KWFrameViewManager;
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class KoTextObject;
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class KoDataToolInfo;
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class KoVariable;
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class KAction;
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class KNamedCommand;
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class KMacroCommand;
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class QDragObject;
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class QProgressDialog;
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/**
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* Class: KWTextFrameSet
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* Contains text (KoTextObject) and frames to display that text.
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*
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* This class implements the KoTextFormatInterface methods for "apply to the
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* whole text object". This is how "setBold", "setItalic" etc. can apply to
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* a whole text frameset.
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*/
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class KWTextFrameSet : public KWFrameSet, public KoTextFlow, public KoTextFormatInterface
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{
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Q_OBJECT
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public:
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/// Cnstructor
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KWTextFrameSet( KWDocument *_doc, const QString & name );
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/// Used for OASIS loading
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KWTextFrameSet( KWDocument* doc, const QDomElement& tag, KoOasisContext& context );
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/// Destructor
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~KWTextFrameSet();
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virtual KWordFrameSetIface* dcopObject();
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/** The type of frameset. Use this to differentiate between different instantiations of
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* the framesets. Each implementation will return a different frameType.
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*/
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virtual FrameSetType type() const { return FT_TEXT; }
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virtual KWFrameSetEdit * createFrameSetEdit( KWCanvas * canvas );
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/** Return the contained text object */
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KoTextObject * textObject() const { return m_textobj; }
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KoTextDocument *textDocument() const;
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KWTextDocument *kwTextDocument() const;
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void setProtectContent ( bool _protect ) { textObject()->setProtectContent(_protect);}
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bool protectContent() const { return textObject()->protectContent();}
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void clearUndoRedoInfo();
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/** Convert the @p dPoint in the normal coordinate system (and in pt)
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* into a point (@p iPoint) in the internal qtextdoc coordinates (in layout units). */
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KWFrame * documentToInternal( const KoPoint &dPoint, QPoint &iPoint ) const;
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/// used by documentToInternalMouseSelection()
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enum RelativePosition { InsideFrame, LeftOfFrame, TopOfFrame, AtEnd };
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KWFrame * documentToInternalMouseSelection( const KoPoint &dPoint, QPoint &iPoint, RelativePosition& relPos, KWViewMode *viewMode ) const;
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/** Convert the @p in the internal qtextdoc coordinates (in layout units)
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* into a point in the document coordinate system (in pt).
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* Also returns the frame in which this point is. */
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KWFrame * internalToDocument( const KoPoint &relPoint, KoPoint &dPoint ) const;
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// version taking a LU point as input
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KWFrame * internalToDocument( const QPoint &iPoint, KoPoint &dPoint ) const;
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/** Same as internalToDocument, but goes directly to the normal coords (zoomed)
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* since this method is used for view stuff only (mouse).
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* @param hintDPoint hint, in case of copied frames. If specified, its y
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* value will be used as a minimum on the returned result, to prefer a frame
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* over any of its copies (e.g. in the header/footer case).
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* @param iPoint internal document point
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* @param dPoint the other point
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*/
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KWFrame * internalToDocumentWithHint( const QPoint &iPoint, KoPoint &dPoint, const KoPoint &hintDPoint ) const;
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/** A variant of internalToDocument, when the frame is already known.
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* Both faster, and more correct for inline frames that spawn over multiple containing frames
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*/
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KoPoint internalToDocumentKnowingFrame( const KoPoint &relPoint, KWFrame* theFrame ) const;
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// [deprecated?] version taking a LU point as input
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KoPoint internalToDocumentKnowingFrame( const QPoint &iPoint, KWFrame* theFrame ) const;
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/** Implementation of Ctrl+PageUp/PageDown
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* Returns a point in layout units (for placing the cursor) */
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QPoint moveToPage( int currentPgNum, short int direction ) const;
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/** Return the available height in pixels (sum of all frames' height, with zoom applied)
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* Used to know if we need to create more pages. */
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virtual int availableHeight() const;
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/** Return true if the last frame is empty */
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bool isFrameEmpty( KWFrame * frame );
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virtual bool canRemovePage( int num );
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// reimp for internal reasons
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virtual void deleteFrame( unsigned int num, bool remove = true, bool recalc = true );
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void deleteFrame( KWFrame *frm, bool remove = true, bool recalc = true )
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{ KWFrameSet::deleteFrame( frm, remove, recalc ); } // strange C++ feature ;)
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/** reshuffle frames so text is always displayed from top-left down and then right.
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* @param flags
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*/
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virtual void updateFrames( int flags = 0xff );
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/** Views notify the KWTextFrameSet of which area of the text
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* they're looking at, so that formatMore() ensures it's always formatted
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* correctly.
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* @param w the wigdet (usually kwcanvas) that identifies the view
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* @param w the current viewmode (to make sure the frameset is visible)
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* @param nPointBottom the max the view looks at, in normal coordinates
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* @param viewMode the current viewMode
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*/
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void updateViewArea( QWidget * w, KWViewMode* viewMode, const QPoint & nPointBottom );
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virtual QDomElement save( QDomElement &parentElem, bool saveFrames = true )
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{ return saveInternal( parentElem, saveFrames, false ); }
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/** save to XML - when copying to clipboard (includes floating framesets) */
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virtual QDomElement toXML( QDomElement &parentElem, bool saveFrames = true )
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{ return saveInternal( parentElem, saveFrames, true ); }
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virtual void load( QDomElement &attributes, bool loadFrames = true );
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/// Load the contents of a frame (i.e. the text)
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void loadOasisContent( const QDomElement &bodyElem, KoOasisContext& context );
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/// Load a complete textbox (frame and text)
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KWFrame* loadOasis( const QDomElement& frame, const QDomElement &bodyElem, KoOasisContext& context );
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/// Load a frame and add it to this frameset - called by KWOasisLoader
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KWFrame* loadOasisTextFrame( const QDomElement& frameTag, const QDomElement &tag, KoOasisContext& context );
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/// Save the contents of a frame (i.e. the text)
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void saveOasisContent( KoXmlWriter& writer, KoSavingContext& context ) const;
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/// Save a complete textbox (frame and text)
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virtual void saveOasis( KoXmlWriter& writer, KoSavingContext& context, bool saveFrames ) const;
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virtual QString toPlainText() const;
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virtual void finalize();
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//virtual void preparePrinting( QPainter *painter, QProgressDialog *progress, int &processedParags );
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/** return true if some text is selected */
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bool hasSelection() const;
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/** returns the selected text [without formatting] if hasSelection() */
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QString selectedText() const;
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virtual void drawContents( QPainter *painter, const QRect &crect,
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const QColorGroup &cg, bool onlyChanged, bool resetChanged,
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KWFrameSetEdit* edit, KWViewMode *viewMode,
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KWFrameViewManager *frameViewManager );
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virtual void drawFrame( KWFrame * frame, QPainter *painter, const QRect& fcrect, const QRect& crect,
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const QPoint& translationOffset,
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KWFrame *settingsFrame, const QColorGroup &cg, bool onlyChanged, bool resetChanged,
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KWFrameSetEdit * edit, KWViewMode *viewMode, bool drawUnderlyingFrames );
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virtual void drawFrameContents( KWFrame * frame, QPainter *painter, const QRect & fcrect,
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const QColorGroup &cg, bool onlyChanged, bool resetChanged,
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KWFrameSetEdit * edit, KWViewMode *viewMode );
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void drawCursor( QPainter *p, KoTextCursor *cursor, bool cursorVisible, KWCanvas *canvas, KWFrame *currentFrame );
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QPoint cursorPos( KoTextCursor *cursor, KWCanvas* canvas, KWFrame* currentFrame );
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KCommand* pasteOasis( KoTextCursor * cursor, const QByteArray & data, bool removeSelected );
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void insertTOC( KoTextCursor * cursor );
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KNamedCommand* insertFrameBreakCommand( KoTextCursor *cursor );
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void insertFrameBreak( KoTextCursor * cursor );
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KCommand * setPageBreakingCommand( KoTextCursor * cursor, int pageBreaking );
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QRect paragRect( KoTextParag * parag ) const; // in normal coords
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KCommand *deleteAnchoredFrame( KWAnchor * anchor );
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void findPosition( const KoPoint &dPoint, KoTextParag * & parag, int & index );
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/** Highlighting support (for search/replace, spellchecking etc.) */
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void highlightPortion( KoTextParag * parag, int index, int length, KWCanvas * canvas, bool repaint = true, KDialogBase* dialog = 0 );
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void removeHighlight( bool repaint = true );
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virtual void addTextFrameSets( QPtrList<KWTextFrameSet> &lst, bool onlyReadWrite=false );
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/** Update the paragraph that use the given style, after this style was changed.
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* The flags tell which changes should be applied.
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* @param changed the changed style map
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*/
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void applyStyleChange( KoStyleChangeDefMap changed );
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/** set the visibility of the frameset. */
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virtual void setVisible( bool v );
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/** Show or hide all inline frames that are inside this frameset */
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void setInlineFramesVisible(bool);
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#ifndef NDEBUG
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virtual void printDebug();
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#endif
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/** Invalidate all paragraphs and start re-formatting */
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virtual void layout();
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/** Invalidate all paragraphs (causes a re-flow of the text upon next redraw) */
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virtual void invalidate();
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virtual int paragraphs();
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virtual int paragraphsSelected();
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/** Calculate statistics for this frameset */
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virtual bool statistics( QProgressDialog *progress, ulong & charsWithSpace, ulong & charsWithoutSpace,
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ulong & words, ulong& sentences, ulong & syllables, ulong & lines, bool selected );
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/** reimplemented from KoTextFlow, implements flowing around frames etc. */
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virtual void adjustMargins( int yp, int h, int reqMinWidth, int& leftMargin, int& rightMargin, int& pageWidth, KoTextParag* parag );
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/** reimplemented from KoTextParag, adjusts y and returns the shift. */
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virtual int adjustFlow( int y, int w, int h );
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/** Called by KWTextFormatter. Implements page breaking, breaking around frames, etc. */
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int formatVertically( KoTextParag *parag, const QRect& rect );
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/** Called by KWTextFormatter::postFormat() */
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void fixParagWidth( KWTextParag* parag );
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/** Make sure this paragraph is formatted
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* If formatting happens, the afterFormatting signal will only be emitted if emitAfterFormatting is true.
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* This prevents re-entrancy if ensureFormatting is called by canRemovePage (from another frameset's
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* slotAfterFormatting) */
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void ensureFormatted( KoTextParag * parag, bool emitAfterFormatting = true );
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/** The viewmode that was passed to drawContents. Special hook for KWAnchor. Don't use. */
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KWViewMode * currentViewMode() const { return m_currentViewMode; }
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/** The frame that we are currently drawing in drawFrame. Stored here since we can't pass it
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* through QRT's drawing methods. Used by e.g. KWAnchor. */
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KWFrame * currentDrawnFrame() const { return m_currentDrawnFrame; }
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/** Let KoTextFormatInterface access the current format */
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virtual KoTextFormat * currentFormat() const;
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/** Let KoTextFormatInterface set the modified format */
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virtual KCommand *setFormatCommand( const KoTextFormat * newFormat, int flags, bool zoomFont = false );
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/** Let KoTextFormatInterface access the current parag layout */
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virtual const KoParagLayout * currentParagLayoutFormat() const;
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virtual bool rtl() const ;
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/** Let KoTextFormatInterface set a modified current parag layout */
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virtual KCommand *setParagLayoutFormatCommand( KoParagLayout *newLayout, int flags, int marginIndex=-1);
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virtual KCommand *setChangeCaseOfTextCommand(KoChangeCaseDia::TypeOfCase _type);
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/** (Assuming this==main frameset), recalc the foot note numbers */
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void renumberFootNotes( bool repaint = true );
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/**
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* Iteration over text objects - used by KWBgSpellCheck
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*/
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virtual KWTextFrameSet* nextTextObject( KWFrameSet * ) { return this;}
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/**
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* Return the min and max LU coordinates for the text in the given page,
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* if the frameset has any frames in this page.
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* Used by e.g. KWDoc::sectionTitle and KWFrameLayout.
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*/
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bool minMaxInternalOnPage( int pageNum, int& topLU, int& bottomLU ) const;
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/**
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* Find the parag at the given Y position (in LU)
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*/
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KoTextParag* paragAtLUPos( int yLU ) const;
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/**
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* Insert a footnote (var and frameset). Shared code for loading and inserting from GUI.
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*/
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KWFootNoteFrameSet * insertFootNote( NoteType noteType, KWFootNoteVariable::Numbering numType, const QString &manualString );
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KoTextDocCommand *deleteTextCommand( KoTextDocument *textdoc, int id, int index, const QMemArray<KoTextStringChar> & str, const CustomItemsMap & customItemsMap, const QValueList<KoParagLayout> & oldParagLayouts );
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QString copyTextParag( KoXmlWriter& writer, KoSavingContext& context, int selectionId );
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/// Sort selected paragraphs
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/// Return a complete OASIS store, ready for "pasting"
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QByteArray sortText(SortType type) const;
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KoLinkVariable* linkVariableUnderMouse( const KoPoint& dPoint );
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KoVariable* variableUnderMouse( const KoPoint& dPoint );
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signals:
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/** Tell the Edit object that this frame got deleted */
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void frameDeleted( KWFrame* frame );
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/** Tell the text viewmode that the height of the text might have changed */
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void mainTextHeightChanged();
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public slots:
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// Connected to KoTextObject
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void slotRepaintChanged();
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protected slots:
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// All those slots are connected to KoTextObject
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void slotAvailableHeightNeeded();
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void slotAfterFormatting( int bottom, KoTextParag *lastFormatted, bool* abort );
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void slotNewCommand( KCommand *cmd );
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void slotParagraphDeleted(KoTextParag*_parag);
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void slotParagraphCreated(KoTextParag*_parag);
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void slotParagraphModified(KoTextParag*_parag, int /*KoTextParag::ParagModifyType*/, int, int);
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protected: // for testing purposes
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KWTextFrameSet( const QString & name );
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private:
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void init();
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bool slotAfterFormattingNeedMoreSpace( int bottom, KoTextParag *lastFormatted );
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void slotAfterFormattingTooMuchSpace( int bottom );
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void getMargins( int yp, int h, int reqMinWidth, int* marginLeft, int* marginRight, int* pageWidth, int* validHeight,
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int* breakBegin, int* breakEnd, KoTextParag* parag );
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bool checkVerticalBreak( int & yp, int & h, KoTextParag * parag, bool linesTogether, int breakBegin, int breakEnd );
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void frameResized( KWFrame *theFrame, bool invalidateLayout );
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/**
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* Return the list of frames containing the text that goes from @p y1 to @p y2
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* (in internal coordinates).
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*/
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QValueList<KWFrame*> framesFromTo( int y1, int y2 ) const;
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double footerHeaderSizeMax( KWFrame *theFrame );
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double footNoteSize( KWFrame *theFrame );
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QDomElement saveInternal( QDomElement &parentElem, bool saveFrames, bool saveAnchorsFramesets );
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bool createNewPageAndNewFrame( KoTextParag* lastFormatted, int difference );
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private:
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/** The contained text object */
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KoTextObject * m_textobj;
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/** The viewmode we currently used (while drawing). For internal purposes (KWAnchor). */
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KWViewMode * m_currentViewMode;
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/** The frame currently being drawn. */
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KWFrame * m_currentDrawnFrame;
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/** For the mainTextHeightChanged signal. */
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int m_lastTextDocHeight;
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};
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/**
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* Object that is created to edit a Text frame set (KWTextFrameSet).
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* It handles all the events for it.
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* In terms of doc/view design, this object is part of the _view_.
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* There can be several KWFrameSetEdit objects for the same frameset,
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* but there is only one KWFrameSetEdit object per view at a given moment.
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*/
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class KWTextFrameSetEdit : public KoTextView, public KWFrameSetEdit
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{
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Q_OBJECT
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public:
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KWTextFrameSetEdit( KWTextFrameSet * fs, KWCanvas * canvas );
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virtual ~KWTextFrameSetEdit();
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virtual KoTextViewIface* dcopObject();
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virtual KWFrameSetEdit* currentTextEdit(){return this;}
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virtual void terminate(bool removeselection=true);
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KWTextFrameSet * textFrameSet() const
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{
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return static_cast<KWTextFrameSet*>(frameSet());
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}
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KoTextDocument * textDocument() const
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{
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return textFrameSet()->textDocument();
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}
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// Just in case we change to containing a textview instead
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KoTextView * textView() { return this; }
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// Events forwarded by the canvas (when being in "edit" mode)
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virtual void keyPressEvent( QKeyEvent * );
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virtual void keyReleaseEvent( QKeyEvent * );
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virtual void imStartEvent( QIMEvent * );
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virtual void imComposeEvent( QIMEvent * );
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virtual void imEndEvent( QIMEvent * );
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virtual void mousePressEvent( QMouseEvent *, const QPoint &, const KoPoint & );
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virtual void mouseMoveEvent( QMouseEvent *, const QPoint &, const KoPoint & ); // only called if button is pressed
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virtual void mouseReleaseEvent( QMouseEvent *, const QPoint &, const KoPoint & );
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virtual void mouseDoubleClickEvent( QMouseEvent *, const QPoint &, const KoPoint & );
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virtual void dragEnterEvent( QDragEnterEvent * );
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virtual void dragMoveEvent( QDragMoveEvent *, const QPoint &, const KoPoint & );
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virtual void dragLeaveEvent( QDragLeaveEvent * );
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virtual void dropEvent( QDropEvent *, const QPoint &, const KoPoint &, KWView* view );
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virtual void focusInEvent();
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virtual void focusOutEvent();
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virtual void selectAll();
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// Reimplemented from KoTextView
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virtual void drawCursor( bool b );
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virtual void showFormat( KoTextFormat *format );
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virtual bool pgUpKeyPressed();
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virtual bool pgDownKeyPressed();
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virtual void ctrlPgUpKeyPressed();
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virtual void ctrlPgDownKeyPressed();
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void setCursor( KoTextParag* parag, int index );
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void insertFrameBreak() { textFrameSet()->insertFrameBreak( cursor() ); }
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void insertWPPage();
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void insertVariable( int type, int subtype = 0 );
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void insertFootNote( NoteType noteType, KWFootNoteVariable::Numbering numType, const QString& manualString );
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void insertCustomVariable( const QString &name);
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void insertVariable( KoVariable *var,
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KoTextFormat *format = 0 /*means currentFormat()*/,
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bool refreshCustomMenu = false/*don't refresh all the time custom menu*/ );
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void insertLink(const QString &_linkName, const QString & hrefName);
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void insertComment(const QString &_comment);
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void insertExpression(const QString &_c);
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void insertFloatingFrameSet( KWFrameSet * fs, const QString & commandName );
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void insertTOC() { textFrameSet()->insertTOC( cursor() ); }
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KCommand * setPageBreakingCommand( int pageBreaking )
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{ return textFrameSet()->setPageBreakingCommand( cursor(), pageBreaking ); }
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//const KoParagLayout & currentParagLayout() const { return m_paragLayout; }
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double currentLeftMargin() const { return m_paragLayout.margins[QStyleSheetItem::MarginLeft]; }
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virtual void removeToolTipCompletion();
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//bool isLinkVariable(const KoPoint &, bool setUrl=false);
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/// Called by KoTextView when clicking on a link
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bool openLink( KoLinkVariable* variable );
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/// Called by KWView when using the action
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void openLink();
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void pasteData( QMimeSource* data, int provides, bool drop );
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KCommand* pasteOasisCommand( QMimeSource* data );
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/**
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* Return the requested border of the paragraph that the cursor currently is in.
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* @param type specifies which of the borders to return;
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* @return the requested border of the current paragraph
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*/
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KoBorder border(KoBorder::BorderType type);
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public slots:
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// Reimplemented from KWFrameSet and connected to KoTextView's signals
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virtual void cut();
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virtual void copy();
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virtual void paste();
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// Reimplemented from KoTextView
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virtual void updateUI( bool updateFormat, bool force = false );
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virtual void ensureCursorVisible();
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|
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protected:
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// Reimplemented from KoTextView
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virtual void doAutoFormat( KoTextCursor* cursor, KoTextParag *parag, int index, QChar ch );
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virtual bool doIgnoreDoubleSpace(KoTextParag * parag, int index,QChar ch );
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virtual bool doCompletion( KoTextCursor* cursor, KoTextParag *parag, int index );
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virtual bool doToolTipCompletion( KoTextCursor* cursor, KoTextParag *parag, int index,int keyPress );
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virtual void showToolTipBox(KoTextParag *parag, int index, QWidget *widget, const QPoint &pos);
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virtual void textIncreaseIndent();
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virtual bool textDecreaseIndent();
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|
|
|
virtual void startDrag();
|
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QDragObject * newDrag( QWidget * parent );
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|
|
|
private slots:
|
|
void slotFrameDeleted(KWFrame *);
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|
|
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private:
|
|
bool enterCustomItem( KoTextCustomItem* customItem, bool fromRight );
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|
|
|
KoParagLayout m_paragLayout;
|
|
bool m_rtl; // maybe make part of KoParagLayout later
|
|
};
|
|
|
|
class KWFootNoteVariable;
|
|
class KWFootNoteFrameSet : public KWTextFrameSet
|
|
{
|
|
public:
|
|
/** constructor */
|
|
KWFootNoteFrameSet( KWDocument *doc, const QString & name )
|
|
: KWTextFrameSet( doc, name ), m_footNoteVar( 0L ) {}
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|
|
|
virtual KWordFrameSetIface* dcopObject();
|
|
|
|
void setFootNoteVariable( KWFootNoteVariable* var );
|
|
KWFootNoteVariable* footNoteVariable() const { return m_footNoteVar; }
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|
|
|
/** Create the first frame for this frameset.
|
|
* KWFrameLayout will reposition it at the correct place.
|
|
*/
|
|
void createInitialFrame( int pageNum );
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|
|
|
/**
|
|
* Edit and ensure cursor is visible. Helper function which is useful because
|
|
* the caller is usually a KWFrameSetEdit, which gets deleted by the
|
|
* editFrameSet() call.
|
|
*/
|
|
void startEditing( KWCanvas* canvas );
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|
|
|
/** Called by KWTextFrameSet::renumberFootNotes.
|
|
* Sets the text of the parag-counter in the footnote text.
|
|
*/
|
|
void setCounterText( const QString& text );
|
|
|
|
virtual bool isFootNote() const;
|
|
virtual bool isEndNote() const;
|
|
|
|
private:
|
|
KWFootNoteVariable* m_footNoteVar;
|
|
};
|
|
#endif
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