// $Id: draginfo.h 1216 2006-05-30 19:42:02Z 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. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // draginfo.h - Definitions for global dragging system DragInformation class #ifndef INC_DRAGINFO #define INC_DRAGINFO class Cursor; class DragTarget; class ViewDragTarget; class KernelBitmap; /********************************************************************************************* > class DragInformation : public CCObject Author: Jason_Williams (Xara Group Ltd) Created: 2/1/95 Purpose: Objects derived from this abstract class are used to describe everything useful to know about the current global drag. They allow drag targets to decide what to do with a recieved drag. SeeAlso: DragManagerOp::StartDrag; DragTarget Documentation: Docs\Specs\DragMan.doc *********************************************************************************************/ class CCAPI DragInformation : public CCObject { friend class DragManagerOp; friend class CaptureHandler; CC_DECLARE_DYNCREATE(DragInformation) protected: DragInformation(BOOL IsAdjustDrag = FALSE); public: virtual void OnClick(INT32 flags, CNativePoint Point); virtual UINT32 GetCursorID(); virtual BOOL GetStatusLineText(String_256 * TheText); virtual BOOL OnDrawSolidDrag(CNativePoint Origin, CNativeDC * TheDC); virtual UINT32 GetCursorID(DragTarget* pDragTarget); virtual BOOL GetStatusLineText(String_256 * TheText, DragTarget* pDragTarget); virtual BOOL OnDrawSolidDrag(CNativePoint Origin, CNativeDC * TheDC, DragTarget* pDragTarget); BOOL IsAnAdjustDrag() { return IsAdjustDrag; } public: // Solid-dragging support virtual INT32 GetDragTransparency() { return 0; } // Not transparent virtual KernelBitmap *GetSolidDragMask() { return NULL; } // Not masked virtual BOOL HasTransparentMask() { return FALSE; } virtual wxBitmap * GetTransparentMask() { return NULL; } public: // Special dropping functions called for drop-on-page (called by ViewDragTarget) virtual BOOL CanDropOnPage() { return FALSE; } virtual BOOL OnPageDrop(ViewDragTarget*) { return FALSE; } virtual BOOL OnMouseMove(wxPoint p) { return FALSE; } virtual BOOL OnButtonUp(wxPoint p) { return FALSE; } protected: // Member variables static Cursor *MyCursor; BOOL DoesSolidDrag; CNativePoint SolidDragOffset; CNativeSize SolidDragSize; BOOL IsAdjustDrag; }; #endif