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/**
* @file lltoolgrab.h
* @brief LLToolGrab class header file
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2008, 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"
class LLView;
class LLTextBox;
class LLViewerObject;
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(LLViewerObject *objectp, S32 x, S32 y, MASK mask);
// Certain grabs should not highlight the "Build" toolbar button
BOOL getHideBuildHighlight() { return mHideBuildHighlight; }
static void pickCallback(S32 x, S32 y, MASK mask);
private:
LLVector3d getGrabPointGlobal();
void startGrab(S32 x, S32 y);
void stopGrab();
void startSpin();
void stopSpin();
void handleHoverSpin(S32 x, S32 y, MASK mask);
void handleHoverActive(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;
LLUUID mHitObjectID; // if hit something, its ID
LLPointer<LLViewerObject> mGrabObject; // the object currently being grabbed
LLTimer mGrabTimer; // send simulator time between hover movements
LLVector3 mGrabOffsetFromCenterInitial; // meters from CG of object
LLVector3 mGrabOffset; // how far cursor currently is from grab start point, meters
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
S32 mLastMouseX;
S32 mLastMouseY;
S32 mMouseDownX;
S32 mMouseDownY;
MASK mMouseMask;
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;
BOOL mSpinGrabbing;
LLQuaternion mSpinRotation;
BOOL mHideBuildHighlight;
};
extern BOOL gGrabBtnVertical;
extern BOOL gGrabBtnSpin;
extern LLTool* gGrabTransientTool;
#endif // LL_TOOLGRAB_H
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