/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #ifndef _SVX_UNOEDSRC_HXX #define _SVX_UNOEDSRC_HXX #include #include #include #include #include #include #include #include #include #include "editeng/editengdllapi.h" #include struct ESelection; struct EFieldInfo; struct EBulletInfo; class OutputDevice; class String; class SfxItemSet; class SvxTextForwarder; class SvxViewForwarder; class SvxEditViewForwarder; class SvxFieldItem; class SfxBroadcaster; class SvxUnoTextRangeBase; typedef std::list< SvxUnoTextRangeBase* > SvxUnoTextRangeBaseList; /** Wrapper class for unified EditEngine/Outliner access This class wraps a textual object, which might or might not contain an EditEngine/Outliner. Is used e.g. for filling an EditEngine with the content of a cell, note page or page template. */ class EDITENG_DLLPUBLIC SvxEditSource { public: virtual ~SvxEditSource(); /// Returns a new reference to the same object. This is a shallow copy virtual SvxEditSource* Clone() const = 0; /** Query the text forwarder @return the text forwarder, or NULL if the underlying object is dead */ virtual SvxTextForwarder* GetTextForwarder() = 0; /** Query the view forwarder @return the view forwarder, or NULL if the underlying object is dead, or if no view is available @derive default implementation provided, overriding is optional */ virtual SvxViewForwarder* GetViewForwarder(); /** Query the edit view forwarder @param bCreate Determines whether an EditView should be created, if there is none active. If set to sal_True, and the underlying object is not in EditMode, the text forwarder changes and the object is set to EditMode. @return the edit view forwarder, or NULL if the underlying object is dead, or if no view is available (if bCreate is sal_False, NULL is also returned if the object is not in EditMode) @derive default implementation provided, overriding is optional @attention If this method is called with bCreate equal to sal_True, all previously returned text forwarder can become invalid */ virtual SvxEditViewForwarder* GetEditViewForwarder( sal_Bool bCreate = sal_False ); /// Write back data to model virtual void UpdateData() = 0; /** Returns broadcaster the underlying edit engine's events are sent from @derive default implementation provided, overriding is optional */ virtual SfxBroadcaster& GetBroadcaster() const; /** adds the given SvxUnoTextRangeBase to the text object capsulated by this SvxEditSource. This allows the text object to inform all created text ranges about changes and also allows to re use already created instances. All SvxUnoTextRangeBase must remove itself with removeRange() before theire deleted. */ virtual void addRange( SvxUnoTextRangeBase* pNewRange ); /** removes the given SvxUnoTextRangeBase from the text object capsulated by this SvxEditSource. This text range will not be informed any longer of changes on the underlying text and will also not re used anymore. */ virtual void removeRange( SvxUnoTextRangeBase* pOldRange ); /** returns a const list of all text ranges that are registered for the underlying text object. */ virtual const SvxUnoTextRangeBaseList& getRanges() const; }; /** Contains an EditEngine or an Outliner and unifies access to them. The EditEngine-UNO objects use this class only. To reflect changes not only in the EditEngine, but also in the model data, call SvxEditSource::UpdateData(). This copies back the data to the model's EditTextObject/OutlinerParaObject. */ class EDITENG_DLLPUBLIC SvxTextForwarder { public: virtual ~SvxTextForwarder(); virtual sal_uInt16 GetParagraphCount() const = 0; virtual sal_uInt16 GetTextLen( sal_uInt16 nParagraph ) const = 0; virtual String GetText( const ESelection& rSel ) const = 0; virtual SfxItemSet GetAttribs( const ESelection& rSel, sal_Bool bOnlyHardAttrib = 0 ) const = 0; virtual SfxItemSet GetParaAttribs( sal_uInt16 nPara ) const = 0; virtual void SetParaAttribs( sal_uInt16 nPara, const SfxItemSet& rSet ) = 0; virtual void RemoveAttribs( const ESelection& rSelection, sal_Bool bRemoveParaAttribs, sal_uInt16 nWhich ) = 0; virtual void GetPortions( sal_uInt16 nPara, std::vector& rList ) const = 0; virtual sal_uInt16 GetItemState( const ESelection& rSel, sal_uInt16 nWhich ) const = 0; virtual sal_uInt16 GetItemState( sal_uInt16 nPara, sal_uInt16 nWhich ) const = 0; virtual void QuickInsertText( const String& rText, const ESelection& rSel ) = 0; virtual void QuickInsertField( const SvxFieldItem& rFld, const ESelection& rSel ) = 0; virtual void QuickSetAttribs( const SfxItemSet& rSet, const ESelection& rSel ) = 0; virtual void QuickInsertLineBreak( const ESelection& rSel ) = 0; virtual OUString CalcFieldValue( const SvxFieldItem& rField, sal_uInt16 nPara, sal_uInt16 nPos, Color*& rpTxtColor, Color*& rpFldColor ) = 0; virtual void FieldClicked( const SvxFieldItem& rField, sal_uInt16 nPara, xub_StrLen nPos ) = 0; virtual SfxItemPool* GetPool() const = 0; virtual const SfxItemSet* GetEmptyItemSetPtr() = 0; // implementation functions for XParagraphAppend and XTextPortionAppend virtual void AppendParagraph() = 0; virtual xub_StrLen AppendTextPortion( sal_uInt16 nPara, const String &rText, const SfxItemSet &rSet ) = 0; // XTextCopy virtual void CopyText(const SvxTextForwarder& rSource) = 0; /** Query state of forwarder @return sal_False, if no longer valid */ virtual sal_Bool IsValid() const = 0; /** Query language of character at given position on the underlying edit engine @param nPara[0 .. n-1] Index of paragraph to query language in @param nIndex[0 .. m-1] Index of character to query language of */ virtual LanguageType GetLanguage( sal_uInt16 nPara, sal_uInt16 nIndex ) const = 0; /** Query number of fields in the underlying edit engine @param nPara[0 .. n-1] Index of paragraph to query field number in */ virtual sal_uInt16 GetFieldCount( sal_uInt16 nPara ) const = 0; /** Query information for given field number in the underlying edit engine @param nPara[0 .. n-1] Index of paragraph to query field info in @param nField[0 .. m-1] Index of field to query information of */ virtual EFieldInfo GetFieldInfo( sal_uInt16 nPara, sal_uInt16 nField ) const = 0; /** Query information regarding bullets for given paragraph on the underlying edit engine @param nPara[0 .. n-1] Index of paragraph to query bullet info on */ virtual EBulletInfo GetBulletInfo( sal_uInt16 nPara ) const = 0; /** Query the bounding rectangle of the given character @param nPara[0 .. n] Index of paragraph to query the bounds in.

The virtual character after the last character of the represented text, i.e. the one at position n is a special case. Because it does not represent an existing character its bounding box is defined in relation to preceding characters. It should be rougly equivalent to the bounding box of some character when inserted at the end of the text. Its height typically being the maximal height of all the characters in the text or the height of the preceding character, its width being at least one pixel so that the bounding box is not degenerate.
@param nIndex[0 .. m-1] Index of character to query the bounds of @return rectangle in logical coordinates, relative to upper left corner of text. The coordinates returned here are to be interpreted in the map mode given by GetMapMode(). */ virtual Rectangle GetCharBounds( sal_uInt16 nPara, sal_uInt16 nIndex ) const = 0; /** Query the bounding rectangle of the given paragraph @param nPara[0 .. n-1] Index of paragraph to query the bounds of @return rectangle in logical coordinates, relative to upper left corner of text. The coordinates returned here are to be interpreted in the map mode given by GetMapMode(). */ virtual Rectangle GetParaBounds( sal_uInt16 nPara ) const = 0; /** Query the map mode of the underlying EditEngine/Outliner @return the map mode used on the EditEngine/Outliner. The values returned by GetParaBounds() and GetCharBounds() are to be interpreted in this map mode, the point given to GetIndexAtPoint() is interpreted in this map mode. */ virtual MapMode GetMapMode() const = 0; /** Query the reference output device of the underlying EditEngine/Outliner @return the OutputDevice used from the EditEngine/Outliner to format the text. It should be used when performing e.g. font calculations, since this is usually a printer with fonts and resolution different from the screen. */ virtual OutputDevice* GetRefDevice() const = 0; /** Query paragraph and character index of the character at the given point. Returns sal_True on success, sal_False otherwise @param rPoint Point to query text position of. Is interpreted in logical coordinates, relativ to the upper left corner of the text, and in the map mode given by GetMapMode() @param rPara[0 .. n-1] Index of paragraph the point is within @param rIndex[0 .. m-1] Index of character the point is over @return sal_True, if the point is over any text and both rPara and rIndex are valid */ virtual sal_Bool GetIndexAtPoint( const Point& rPoint, sal_uInt16& rPara, sal_uInt16& rIndex ) const = 0; /** Get the start and the end index of the word at the given index An index value on a word leads from the first character of that word up to and including the last space before the next word. The index values returned do not contain any leading or trailing white-space. If the input indices are invalid, sal_False is returned. @param nPara[0 .. n-1] Index of paragraph to start the search in @param nIndex[0 .. m-1] Index of character to query the search on @param rStart Start index (in the same paragraph) @param rEnd End index (in the same paragraph), this point to the last character still contained in the query @return sal_True, if the result is non-empty */ virtual sal_Bool GetWordIndices( sal_uInt16 nPara, sal_uInt16 nIndex, sal_uInt16& rStart, sal_uInt16& rEnd ) const = 0; /** Query range of similar attributes Please note that the range returned is half-open: [nStartIndex,nEndIndex) @param nStartIndex Herein, the start index of the range of similar attributes is returned @param nEndIndex Herein, the end index (exclusive) of the range of similar attributes is returned @param nIndex The character index from which the range of similar attributed characters is requested @return sal_True, if the range has been successfully determined */ virtual sal_Bool GetAttributeRun( sal_uInt16& nStartIndex, sal_uInt16& nEndIndex, sal_uInt16 nPara, sal_uInt16 nIndex ) const = 0; /** Query number of lines in the formatted paragraph @param nPara[0 .. n-1] Index of paragraph to query number of lines in @return number of lines in given paragraph */ virtual sal_uInt16 GetLineCount( sal_uInt16 nPara ) const = 0; /** Query line length @param nPara[0 .. n-1] Index of paragraph to query line length in @param nLine[0 .. m-1] Index of line in paragraph to query line length of */ virtual sal_uInt16 GetLineLen( sal_uInt16 nPara, sal_uInt16 nLine ) const = 0; /** Query bounds of line in paragraph @param rStart [output param; 0 .. text_len] The index in the paragraph text that belongs to the chara at the start of the line @param rEnd [output param; 0 .. text_len] The index in the paragraph text that follows the last chara in the line @param nParagraph[0 .. n-1] Index of paragraph to query line length in @param nLine[0 .. m-1] Index of line in paragraph to query line length of */ virtual void GetLineBoundaries( /*out*/sal_uInt16 &rStart, /*out*/sal_uInt16 &rEnd, sal_uInt16 nParagraph, sal_uInt16 nLine ) const = 0; /** Query the line number for a index in the paragraphs text @param nPara[0 .. n-1] Index of paragraph to query line length in @param nIndex[0 .. m-1] Index of of the chara in the paragraph text @returns [0 .. k-1] The line number of the chara in the paragraph */ virtual sal_uInt16 GetLineNumberAtIndex( sal_uInt16 nPara, sal_uInt16 nIndex ) const = 0; /** Delete given text range and reformat text @param rSelection The text range to be deleted @return sal_True if text has been successfully deleted */ virtual sal_Bool Delete( const ESelection& rSelection ) = 0; /** Insert/Replace given text in given range and reformat text @param rText Text to insert/replace @param rSel Selection where text should be replaced. The empty selection inserts @return sal_True if text has been successfully inserted */ virtual sal_Bool InsertText( const String& rText, const ESelection& rSel ) = 0; /** Updates the formatting @see EditEngine::QuickFormatDoc() for details @return sal_True if text have been successfully reformatted */ virtual sal_Bool QuickFormatDoc( sal_Bool bFull=sal_False ) = 0; /** Get the outline depth of given paragraph @param nPara Index of the paragraph to query the depth of @return the outline level of the given paragraph. The range is [0,n), where n is the maximal outline level. */ virtual sal_Int16 GetDepth( sal_uInt16 nPara ) const = 0; /** Set the outline depth of given paragraph @param nPara Index of the paragraph to set the depth of @param nNewDepth The depth to set on the given paragraph. The range is [0,n), where n is the maximal outline level. @return sal_True, if depth could be successfully set. Reasons for failure are e.g. the text does not support outline level (EditEngine), or the depth range is exceeded. */ virtual sal_Bool SetDepth( sal_uInt16 nPara, sal_Int16 nNewDepth ) = 0; virtual sal_Int16 GetNumberingStartValue( sal_uInt16 nPara ); virtual void SetNumberingStartValue( sal_uInt16 nPara, sal_Int16 nNumberingStartValue ); virtual sal_Bool IsParaIsNumberingRestart( sal_uInt16 nPara ); virtual void SetParaIsNumberingRestart( sal_uInt16 nPara, sal_Bool bParaIsNumberingRestart ); }; /** Encapsulates the document view for the purpose of unified EditEngine/Outliner access. This one has to be different from the SvxEditViewForwarder, since the latter is only valid in edit mode. */ class EDITENG_DLLPUBLIC SvxViewForwarder { public: virtual ~SvxViewForwarder(); /** Query state of forwarder @return sal_False, if no longer valid */ virtual sal_Bool IsValid() const = 0; /** Query visible area of the view containing the text @return the visible rectangle of the text, i.e. the part of the EditEngine or Outliner that is currently on screen. The values are already in screen coordinates (pixel), and have to be relative to the EditEngine/Outliner's upper left corner. */ virtual Rectangle GetVisArea() const = 0; /** Convert from logical, EditEngine-relative coordinates to screen coordinates @param rPoint Point in logical, EditEngine-relative coordinates. @param rMapMode The map mode to interpret the coordinates in. @return the point in screen coordinates */ virtual Point LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const = 0; /** Convert from screen to logical, EditEngine-relative coordinates @param rPoint Point in screen coordinates @param rMapMode The map mode to interpret the coordinates in. @return the point in logical coordinates. */ virtual Point PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const = 0; }; /** Encapsulates EditView and OutlinerView for the purpose of unified EditEngine/Outliner access */ class SvxEditViewForwarder : public SvxViewForwarder { public: /** Query current selection. @param rSelection Contains the current selection after method call @return sal_False, if there is no view or no selection (the empty selection _is_ a selection) */ virtual sal_Bool GetSelection( ESelection& rSelection ) const = 0; /** Set selection in view. @param rSelection The selection to set @return sal_False, if there is no view or selection is invalid */ virtual sal_Bool SetSelection( const ESelection& rSelection ) = 0; /** Copy current selection to clipboard. @return sal_False if no selection or no view (the empty selection _is_ a selection) */ virtual sal_Bool Copy() = 0; /** Cut current selection to clipboard. @eturn sal_False if no selection or no view (the empty selection _is_ a selection) */ virtual sal_Bool Cut() = 0; /** Paste clipboard into current selection. @return sal_False if no view or no selection (the empty selection _is_ a selection) */ virtual sal_Bool Paste() = 0; }; #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */