// $Id: clipint.h 1282 2006-06-09 09:46:49Z alex $ /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Xara LX (see the file GPL in the root directory of the distribution); if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ADDITIONAL RIGHTS ----------------- Conditional upon your continuing compliance with the GNU General Public License described above, Xara Group Ltd grants to you certain additional rights. The additional rights are to use, modify, and distribute the software together with the wxWidgets library, the wxXtra library, and the "CDraw" library and any other such library that any version of Xara LX relased by Xara Group Ltd requires in order to compile and execute, including the static linking of that library to XaraLX. In the case of the "CDraw" library, you may satisfy obligation under the GNU General Public License to provide source code by providing a binary copy of the library concerned and a copy of the license accompanying it. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ /* * */ // Camelot's Internal clipboard #ifndef INC_CLIPINT #define INC_CLIPINT //#include "document.h" - in camtypes.h [AUTOMATICALLY REMOVED] class Layer; class CCamDoc; class Range; /******************************************************************************************** > class InternalClipboard : public Document Author: Simon_Maneggio (Xara Group Ltd) (Connection to ExternalClipboard by Jason, OLE stuff by JustinF) Created: 05/07/94 (19/4/95) Purpose: Camelot's internal clipboard document. This is a cache, if you like, of the contents of the ExternalClipboard When Camelot "owns" the external clipboard, the InternalClipboard contains the objects which will be pasted into other applications. (When external apps paste, they will request that Camelot exports the InternalClipboard in some external exchange format) When Camelot doesn't own the external clipboard, the InternalClipboard will either be empty, or will be a cached copy of the external clipboard (if the user has pasted once into Camelot, while the clipboard remains unchanged, the internal clipboard will have the internal camelot tree representation of the clipboard cached - thus, pasting a .cdr file into camelot will only do the slow conversion once, and subsequent pastes will be 'native') SeeAlso: ExternalClipboard; Document *********************************************************************************************/ class InternalClipboard : public Document { ///////////////////////////////////////////////////////////////////////////////////////// // Interface. public: // The identifier's of the two clipboards. enum ID { CLIPBOARD, DRAGDROP }; // Access the the two clipboards through these. static InternalClipboard* Instance() { return pInstance; } static InternalClipboard* Other() { return pOther; } static void Swap(); static ID GetCurrentID(); // Attributes. static BOOL IsEmpty(BOOL AskExternalClipboard = TRUE); static void DescribeContents(String_64* Result); static DocRect GetObjectsBounds(); static Layer* GetInsertionLayer(); static Range* GetClipboardRange() { return pInstance->pClipboardRange; } // Copying. static BOOL PrepareForCopy(); static BOOL CopyInProgress(); static BOOL CopyObjects(Range& RangeToCopy, Operation * pOp = NULL); static BOOL CopyComponentData(BaseDocument* pSrcDoc); static BOOL CopyCompleted(); //Graham 24/4/97 //A quick way of putting some text on the internal clipboard static BOOL CopyText(TCHAR* pBuffer); // Pasting. static BOOL PrepareForPaste(BOOL* pExternalSource = 0); static BOOL PasteCompleted(); static DocCoord GetOriginalCentrePoint(); static void SetOriginalCentrePoint(DocCoord NewCentre); // Notifications. static void Clear(); static void AttrsHaveChanged(); ///////////////////////////////////////////////////////////////////////////////////////// // Implementation. public: // Startup / shutdown. These manage the two internal clipboards, Instance and Other. static BOOL Initialise(); static void Deinit(); protected: // Creation & destruction. InternalClipboard(ID id, BOOL fHide = TRUE); virtual ~InternalClipboard(); virtual BOOL Init(CCamDoc* pOilDoc); // RTTI (of sorts). virtual BOOL IsNotAClipboard() const { return FALSE; }; virtual BOOL IsAClipboard() const { return TRUE; }; private: // Helpers. BOOL OnNewClipboardObjects(); static void DescribeContentsInternal(String_64* Result); // Data members. static InternalClipboard* pInstance; // The only instance of the InternalClipboard static InternalClipboard* pOther; // the other instance (temp save) of the clipboard Range* pClipboardRange; // the other instance's range BOOL ClipOp; // TRUE while we're doing a copy operation DocCoord dcCentre; // centre of copied objects ID m_id; // identifier of this clipboard BOOL OriginalCentreLock; // TRUE when calls to SetOriginalCentrePoint are disallowed // (only used when clipboard data was from an external source) CC_DECLARE_DYNAMIC(InternalClipboard); friend class ExternalClipboard; friend class OpDeleteBitmap; }; #endif