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/**
* @file virtualtrackball.h
* @author Andrey Lihatskiy
* @brief Header file for LLVirtualTrackball
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2018, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
// A control for positioning the sun and the moon in the celestial sphere.
#ifndef LL_LLVIRTUALTRACKBALL_H
#define LL_LLVIRTUALTRACKBALL_H
#include "lluictrl.h"
#include "llpanel.h"
#include "lltextbox.h"
#include "llbutton.h"
class LLVirtualTrackball
: public LLUICtrl
{
public:
enum ThumbMode
{
SUN,
MOON
};
enum DragMode
{
DRAG_SET,
DRAG_SCROLL
};
struct Params
: public LLInitParam::Block<Params, LLUICtrl::Params>
{
Optional<LLViewBorder::Params> border;
Optional<LLUIImage*> image_moon_back,
image_moon_front,
image_sphere,
image_sun_back,
image_sun_front;
Optional<std::string> thumb_mode;
Optional<F32> increment_angle_mouse,
increment_angle_btn;
Optional<LLTextBox::Params> lbl_N,
lbl_S,
lbl_W,
lbl_E;
Optional<LLButton::Params> btn_rotate_top,
btn_rotate_bottom,
btn_rotate_left,
btn_rotate_right;
Params();
};
virtual ~LLVirtualTrackball();
/*virtual*/ BOOL postBuild();
virtual BOOL handleHover(S32 x, S32 y, MASK mask);
virtual BOOL handleMouseUp(S32 x, S32 y, MASK mask);
virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
virtual BOOL handleRightMouseDown(S32 x, S32 y, MASK mask);
virtual BOOL handleKeyHere(KEY key, MASK mask);
virtual void draw();
virtual void setValue(const LLSD& value);
void setValue(F32 x, F32 y, F32 z, F32 w);
virtual LLSD getValue() const;
void setRotation(const LLQuaternion &value);
LLQuaternion getRotation() const;
static void getAzimuthAndElevation(const LLQuaternion &quat, F32 &azimuth, F32 &elevation);
static void getAzimuthAndElevationDeg(const LLQuaternion &quat, F32 &azimuth, F32 &elevation);
protected:
friend class LLUICtrlFactory;
LLVirtualTrackball(const Params&);
void onEditChange();
protected:
LLTextBox* mNLabel;
LLTextBox* mELabel;
LLTextBox* mSLabel;
LLTextBox* mWLabel;
LLButton* mBtnRotateTop;
LLButton* mBtnRotateBottom;
LLButton* mBtnRotateLeft;
LLButton* mBtnRotateRight;
LLTextBox* mLabelN;
LLTextBox* mLabelS;
LLTextBox* mLabelW;
LLTextBox* mLabelE;
LLPanel* mTouchArea;
LLViewBorder* mBorder;
private:
void setValueAndCommit(const LLQuaternion &value);
void drawThumb(S32 x, S32 y, ThumbMode mode, bool upperHemi = true);
bool pointInTouchCircle(S32 x, S32 y) const;
void onRotateTopClick();
void onRotateBottomClick();
void onRotateLeftClick();
void onRotateRightClick();
void onRotateTopMouseEnter();
void onRotateBottomMouseEnter();
void onRotateLeftMouseEnter();
void onRotateRightMouseEnter();
S32 mPrevX;
S32 mPrevY;
LLUIImage* mImgMoonBack;
LLUIImage* mImgMoonFront;
LLUIImage* mImgSunBack;
LLUIImage* mImgSunFront;
LLUIImage* mImgBtnRotTop;
LLUIImage* mImgBtnRotLeft;
LLUIImage* mImgBtnRotRight;
LLUIImage* mImgBtnRotBottom;
LLUIImage* mImgSphere;
LLQuaternion mValue;
ThumbMode mThumbMode;
DragMode mDragMode;
F32 mIncrementMouse;
F32 mIncrementBtn;
};
#endif
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