Imported existing code

indra/newview/lltoolgrab.h

@@ -0,0 +1,143 @@
+/** 
+ * @file lltoolgrab.h
+ * @brief LLToolGrab class header file
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_TOOLGRAB_H
+#define LL_TOOLGRAB_H
+
+#include "lltool.h"
+#include "v3math.h"
+#include "llquaternion.h"
+#include "llmemory.h"
+#include "lluuid.h"
+#include "llviewerwindow.h" // for LLPickInfo
+
+class LLView;
+class LLTextBox;
+class LLViewerObject;
+class LLPickInfo;
+
+class LLToolGrab : public LLTool, public LLSingleton<LLToolGrab>
+{
+public:
+	LLToolGrab( LLToolComposite* composite = NULL );
+	~LLToolGrab();
+
+	/*virtual*/ BOOL	handleHover(S32 x, S32 y, MASK mask);
+	/*virtual*/ BOOL	handleMouseDown(S32 x, S32 y, MASK mask);
+	/*virtual*/ BOOL	handleMouseUp(S32 x, S32 y, MASK mask);
+	/*virtual*/ BOOL	handleDoubleClick(S32 x, S32 y, MASK mask);
+	/*virtual*/ void	render();		// 3D elements
+	/*virtual*/ void	draw();			// 2D elements
+
+	virtual void		handleSelect();
+	virtual void		handleDeselect();
+	
+	virtual LLViewerObject*	getEditingObject();
+	virtual LLVector3d		getEditingPointGlobal();
+	virtual BOOL			isEditing();
+	virtual void			stopEditing();
+	
+	virtual void			onMouseCaptureLost();
+
+	BOOL			hasGrabOffset()  { return TRUE; }	// HACK
+	LLVector3		getGrabOffset(S32 x, S32 y);		// HACK
+
+	// Capture the mouse and start grabbing.
+	BOOL			handleObjectHit(const LLPickInfo& info);
+
+	// Certain grabs should not highlight the "Build" toolbar button
+	BOOL getHideBuildHighlight() { return mHideBuildHighlight; }
+
+	static void		pickCallback(const LLPickInfo& pick_info);
+private:
+	LLVector3d		getGrabPointGlobal();
+	void			startGrab();
+	void			stopGrab();
+
+	void			startSpin();
+	void			stopSpin();
+
+	void			handleHoverSpin(S32 x, S32 y, MASK mask);
+	void			handleHoverActive(S32 x, S32 y, MASK mask);
+	void			handleHoverNonPhysical(S32 x, S32 y, MASK mask);
+	void			handleHoverInactive(S32 x, S32 y, MASK mask);
+	void			handleHoverFailed(S32 x, S32 y, MASK mask);
+
+private:
+	enum			EGrabMode { GRAB_INACTIVE, GRAB_ACTIVE_CENTER, GRAB_NONPHYSICAL, GRAB_LOCKED, GRAB_NOOBJECT };
+
+	EGrabMode		mMode;
+
+	BOOL			mVerticalDragging;
+
+	BOOL			mHitLand;
+
+	LLTimer			mGrabTimer;						// send simulator time between hover movements
+
+	LLVector3		mGrabOffsetFromCenterInitial;	// meters from CG of object
+	LLVector3d		mGrabHiddenOffsetFromCamera;	// in cursor hidden drag, how far is grab offset from camera
+
+	LLVector3d		mDragStartPointGlobal;				// projected into world
+	LLVector3d		mDragStartFromCamera;			// drag start relative to camera
+
+	LLPickInfo		mGrabPick;
+
+	S32				mLastMouseX;
+	S32				mLastMouseY;
+	S32				mAccumDeltaX;	// since cursor hidden, how far have you moved?
+	S32				mAccumDeltaY;
+	BOOL			mHasMoved;		// has mouse moved off center at all?
+	BOOL			mOutsideSlop;	// has mouse moved outside center 5 pixels?
+	BOOL			mDeselectedThisClick;
+
+	S32             mLastFace;
+	LLVector2       mLastUVCoords;
+	LLVector2       mLastSTCoords;
+	LLVector3       mLastIntersection;
+	LLVector3       mLastNormal;
+	LLVector3       mLastBinormal;
+	LLVector3       mLastGrabPos;
+
+
+	BOOL			mSpinGrabbing;
+	LLQuaternion	mSpinRotation;
+
+	BOOL			mHideBuildHighlight;
+};
+
+extern BOOL gGrabBtnVertical;
+extern BOOL gGrabBtnSpin;
+extern LLTool* gGrabTransientTool;
+
+#endif  // LL_TOOLGRAB_H
+
+