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