// $Id: dragtool.h 1282 2006-06-09 09:46:49Z alex $ // Header for the drag tool implementation. /* @@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. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ #ifndef INC_DRAGTOOL #define INC_DRAGTOOL //#include "tool.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "transop.h" /******************************************************************************************** > class DragTool : public Tool_v1 Author: Karim_MacDonald (Xara Group Ltd) Created: 13/10/1999 Purpose: The Drag tool is a base class for the Selector and Slice tools. It acts to give these tools a common heritage, so that TransOperation, which handles dragging of objects, can maintain a pointer to them and inform them of various events during a drag. At some point in the future (ie maybe never, but we can hope...) it may be useful to pull common drag functionality up from these two tools, into a base implementation in this class. Currently, all the function definitions in this class are purely to allow TransOperation's pSelTool data member to be changed from a SelectorTool* to a DragTool*. Default implementation in this class is simply to do nothing. CGS: The DragTool is also the base class for all tools which require selection ability. A single interface is provided for this pupose: OnClick (). OnClick () actually serves as a wrapper for our selection tool - thereby allowing all derived tools to harness the power of our selection tool. ********************************************************************************************/ class CCAPI DragTool : public Tool_v1 { // own up in memory dumps CC_DECLARE_MEMDUMP(DragTool); //////////////////////////////////////////////////////////////////////////////////////////// // Tool interface public: // Function that allows the transform to tell the tool how things are going. virtual void DragMove(TransformBoundingData* pBoundingData); // This function returns TRUE if the given floating-point value exceeds the range // that FIXED16 numbers can represent. // *What* it is doing inside a Tool class, I don't know. static BOOL BeyondFixedRange(double fpFixedVal); // Notify the current tool of click events on the document... virtual void OnClick(DocCoord PointerPos, ClickType cType, ClickModifiers cMods, Spread* pSpread); private: // Standard tool static vars static TCHAR *FamilyName; // The Tools Family Name static TCHAR *ToolName; // The Tool Name static TCHAR *Purpose; // What the tool is for static TCHAR *Author; // Who wrote it }; #endif // INC_DRAGTOOL