/** * @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