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-rw-r--r--indra/llui/llvirtualtrackball.cpp1040
1 files changed, 520 insertions, 520 deletions
diff --git a/indra/llui/llvirtualtrackball.cpp b/indra/llui/llvirtualtrackball.cpp
index deb357cd9f..78651ff3cb 100644
--- a/indra/llui/llvirtualtrackball.cpp
+++ b/indra/llui/llvirtualtrackball.cpp
@@ -1,520 +1,520 @@
-/**
-* @file LLVirtualTrackball.cpp
-* @author Andrey Lihatskiy
-* @brief Implementation 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.
-
-#include "linden_common.h"
-#include "llvirtualtrackball.h"
-#include "llstring.h"
-#include "llrect.h"
-#include "lluictrlfactory.h"
-#include "llrender.h"
-
-// Globals
-static LLDefaultChildRegistry::Register<LLVirtualTrackball> register_virtual_trackball("sun_moon_trackball");
-
-const LLVector3 VectorZero(1.0f, 0.0f, 0.0f);
-
-LLVirtualTrackball::Params::Params()
- : border("border"),
- image_moon_back("image_moon_back"),
- image_moon_front("image_moon_front"),
- image_sphere("image_sphere"),
- image_sun_back("image_sun_back"),
- image_sun_front("image_sun_front"),
- btn_rotate_top("button_rotate_top"),
- btn_rotate_bottom("button_rotate_bottom"),
- btn_rotate_left("button_rotate_left"),
- btn_rotate_right("button_rotate_right"),
- thumb_mode("thumb_mode"),
- lbl_N("labelN"),
- lbl_S("labelS"),
- lbl_W("labelW"),
- lbl_E("labelE"),
- increment_angle_mouse("increment_angle_mouse", 0.5f),
- increment_angle_btn("increment_angle_btn", 3.0f)
-{
-}
-
-LLVirtualTrackball::LLVirtualTrackball(const LLVirtualTrackball::Params& p)
- : LLUICtrl(p),
- mImgMoonBack(p.image_moon_back),
- mImgMoonFront(p.image_moon_front),
- mImgSunBack(p.image_sun_back),
- mImgSunFront(p.image_sun_front),
- mImgSphere(p.image_sphere),
- mThumbMode(p.thumb_mode() == "moon" ? ThumbMode::MOON : ThumbMode::SUN),
- mIncrementMouse(DEG_TO_RAD * p.increment_angle_mouse()),
- mIncrementBtn(DEG_TO_RAD * p.increment_angle_btn())
-{
- LLRect border_rect = getLocalRect();
- S32 centerX = border_rect.getCenterX();
- S32 centerY = border_rect.getCenterY();
- U32 btn_size = 32; // width & height
- U32 axis_offset_lt = 16; // offset from the axis for left/top sides
- U32 axis_offset_rb = btn_size - axis_offset_lt; // and for right/bottom
-
- LLViewBorder::Params border = p.border;
- border.rect(border_rect);
- mBorder = LLUICtrlFactory::create<LLViewBorder>(border);
- addChild(mBorder);
-
-
- LLButton::Params btn_rt = p.btn_rotate_top;
- btn_rt.rect(LLRect(centerX - axis_offset_lt, border_rect.mTop, centerX + axis_offset_rb, border_rect.mTop - btn_size));
- btn_rt.click_callback.function(boost::bind(&LLVirtualTrackball::onRotateTopClick, this));
- btn_rt.mouse_held_callback.function(boost::bind(&LLVirtualTrackball::onRotateTopClick, this));
- btn_rt.mouseenter_callback.function(boost::bind(&LLVirtualTrackball::onRotateTopMouseEnter, this));
- mBtnRotateTop = LLUICtrlFactory::create<LLButton>(btn_rt);
- addChild(mBtnRotateTop);
-
- LLTextBox::Params lbl_N = p.lbl_N;
- LLRect rect_N = btn_rt.rect;
- //rect_N.translate(btn_rt.rect().getWidth(), 0);
- lbl_N.rect = rect_N;
- lbl_N.initial_value(lbl_N.label());
- mLabelN = LLUICtrlFactory::create<LLTextBox>(lbl_N);
- addChild(mLabelN);
-
-
- LLButton::Params btn_rr = p.btn_rotate_right;
- btn_rr.rect(LLRect(border_rect.mRight - btn_size, centerY + axis_offset_lt, border_rect.mRight, centerY - axis_offset_rb));
- btn_rr.click_callback.function(boost::bind(&LLVirtualTrackball::onRotateRightClick, this));
- btn_rr.mouse_held_callback.function(boost::bind(&LLVirtualTrackball::onRotateRightClick, this));
- btn_rr.mouseenter_callback.function(boost::bind(&LLVirtualTrackball::onRotateRightMouseEnter, this));
- mBtnRotateRight = LLUICtrlFactory::create<LLButton>(btn_rr);
- addChild(mBtnRotateRight);
-
- LLTextBox::Params lbl_E = p.lbl_E;
- LLRect rect_E = btn_rr.rect;
- //rect_E.translate(0, -1 * btn_rr.rect().getHeight());
- lbl_E.rect = rect_E;
- lbl_E.initial_value(lbl_E.label());
- mLabelE = LLUICtrlFactory::create<LLTextBox>(lbl_E);
- addChild(mLabelE);
-
-
- LLButton::Params btn_rb = p.btn_rotate_bottom;
- btn_rb.rect(LLRect(centerX - axis_offset_lt, border_rect.mBottom + btn_size, centerX + axis_offset_rb, border_rect.mBottom));
- btn_rb.click_callback.function(boost::bind(&LLVirtualTrackball::onRotateBottomClick, this));
- btn_rb.mouse_held_callback.function(boost::bind(&LLVirtualTrackball::onRotateBottomClick, this));
- btn_rb.mouseenter_callback.function(boost::bind(&LLVirtualTrackball::onRotateBottomMouseEnter, this));
- mBtnRotateBottom = LLUICtrlFactory::create<LLButton>(btn_rb);
- addChild(mBtnRotateBottom);
-
- LLTextBox::Params lbl_S = p.lbl_S;
- LLRect rect_S = btn_rb.rect;
- //rect_S.translate(btn_rb.rect().getWidth(), 0);
- lbl_S.rect = rect_S;
- lbl_S.initial_value(lbl_S.label());
- mLabelS = LLUICtrlFactory::create<LLTextBox>(lbl_S);
- addChild(mLabelS);
-
-
- LLButton::Params btn_rl = p.btn_rotate_left;
- btn_rl.rect(LLRect(border_rect.mLeft, centerY + axis_offset_lt, border_rect.mLeft + btn_size, centerY - axis_offset_rb));
- btn_rl.click_callback.function(boost::bind(&LLVirtualTrackball::onRotateLeftClick, this));
- btn_rl.mouse_held_callback.function(boost::bind(&LLVirtualTrackball::onRotateLeftClick, this));
- btn_rl.mouseenter_callback.function(boost::bind(&LLVirtualTrackball::onRotateLeftMouseEnter, this));
- mBtnRotateLeft = LLUICtrlFactory::create<LLButton>(btn_rl);
- addChild(mBtnRotateLeft);
-
- LLTextBox::Params lbl_W = p.lbl_W;
- LLRect rect_W = btn_rl.rect;
- //rect_W.translate(0, -1* btn_rl.rect().getHeight());
- lbl_W.rect = rect_W;
- lbl_W.initial_value(lbl_W.label());
- mLabelW = LLUICtrlFactory::create<LLTextBox>(lbl_W);
- addChild(mLabelW);
-
-
- LLPanel::Params touch_area;
- touch_area.rect = LLRect(centerX - mImgSphere->getWidth() / 2,
- centerY + mImgSphere->getHeight() / 2,
- centerX + mImgSphere->getWidth() / 2,
- centerY - mImgSphere->getHeight() / 2);
- mTouchArea = LLUICtrlFactory::create<LLPanel>(touch_area);
- addChild(mTouchArea);
-}
-
-LLVirtualTrackball::~LLVirtualTrackball()
-{
-}
-
-BOOL LLVirtualTrackball::postBuild()
-{
- return TRUE;
-}
-
-
-void LLVirtualTrackball::drawThumb(S32 x, S32 y, ThumbMode mode, bool upperHemi)
-{
- LLUIImage* thumb;
- if (mode == ThumbMode::SUN)
- {
- if (upperHemi)
- {
- thumb = mImgSunFront;
- }
- else
- {
- thumb = mImgSunBack;
- }
- }
- else
- {
- if (upperHemi)
- {
- thumb = mImgMoonFront;
- }
- else
- {
- thumb = mImgMoonBack;
- }
- }
- thumb->draw(LLRect(x - thumb->getWidth() / 2,
- y + thumb->getHeight() / 2,
- x + thumb->getWidth() / 2,
- y - thumb->getHeight() / 2));
-}
-
-bool LLVirtualTrackball::pointInTouchCircle(S32 x, S32 y) const
-{
- S32 centerX = mTouchArea->getRect().getCenterX();
- S32 centerY = mTouchArea->getRect().getCenterY();
-
- bool in_circle = pow(x - centerX, 2) + pow(y - centerY, 2) <= pow(mTouchArea->getRect().getWidth() / 2, 2);
- return in_circle;
-}
-
-void LLVirtualTrackball::draw()
-{
- LLVector3 draw_point = VectorZero * mValue;
-
- S32 halfwidth = mTouchArea->getRect().getWidth() / 2;
- S32 halfheight = mTouchArea->getRect().getHeight() / 2;
- draw_point.mV[VX] = (draw_point.mV[VX] + 1.0) * halfwidth + mTouchArea->getRect().mLeft;
- draw_point.mV[VY] = (draw_point.mV[VY] + 1.0) * halfheight + mTouchArea->getRect().mBottom;
- bool upper_hemisphere = (draw_point.mV[VZ] >= 0.f);
-
- mImgSphere->draw(mTouchArea->getRect(), upper_hemisphere ? UI_VERTEX_COLOR : UI_VERTEX_COLOR % 0.5f);
- drawThumb(draw_point.mV[VX], draw_point.mV[VY], mThumbMode, upper_hemisphere);
-
-
- if (LLView::sDebugRects)
- {
- gGL.color4fv(LLColor4::red.mV);
- gl_circle_2d(mTouchArea->getRect().getCenterX(), mTouchArea->getRect().getCenterY(), mImgSphere->getWidth() / 2, 60, false);
- gl_circle_2d(draw_point.mV[VX], draw_point.mV[VY], mImgSunFront->getWidth() / 2, 12, false);
- }
-
- // hide the direction labels when disabled
- BOOL enabled = isInEnabledChain();
- mLabelN->setVisible(enabled);
- mLabelE->setVisible(enabled);
- mLabelS->setVisible(enabled);
- mLabelW->setVisible(enabled);
-
- LLView::draw();
-}
-
-void LLVirtualTrackball::onRotateTopClick()
-{
- if (getEnabled())
- {
- LLQuaternion delta;
- delta.setAngleAxis(mIncrementBtn, 1, 0, 0);
- mValue *= delta;
- setValueAndCommit(mValue);
-
- make_ui_sound("UISndClick");
- }
-}
-
-void LLVirtualTrackball::onRotateBottomClick()
-{
- if (getEnabled())
- {
- LLQuaternion delta;
- delta.setAngleAxis(mIncrementBtn, -1, 0, 0);
- mValue *= delta;
- setValueAndCommit(mValue);
-
- make_ui_sound("UISndClick");
- }
-}
-
-void LLVirtualTrackball::onRotateLeftClick()
-{
- if (getEnabled())
- {
- LLQuaternion delta;
- delta.setAngleAxis(mIncrementBtn, 0, 1, 0);
- mValue *= delta;
- setValueAndCommit(mValue);
-
- make_ui_sound("UISndClick");
- }
-}
-
-void LLVirtualTrackball::onRotateRightClick()
-{
- if (getEnabled())
- {
- LLQuaternion delta;
- delta.setAngleAxis(mIncrementBtn, 0, -1, 0);
- mValue *= delta;
- setValueAndCommit(mValue);
-
- make_ui_sound("UISndClick");
- }
-}
-
-void LLVirtualTrackball::onRotateTopMouseEnter()
-{
- mBtnRotateTop->setHighlight(true);
-}
-
-void LLVirtualTrackball::onRotateBottomMouseEnter()
-{
- mBtnRotateBottom->setHighlight(true);
-}
-
-void LLVirtualTrackball::onRotateLeftMouseEnter()
-{
- mBtnRotateLeft->setHighlight(true);
-}
-
-void LLVirtualTrackball::onRotateRightMouseEnter()
-{
- mBtnRotateRight->setHighlight(true);
-}
-
-void LLVirtualTrackball::setValue(const LLSD& value)
-{
- if (value.isArray() && value.size() == 4)
- {
- mValue.setValue(value);
- }
-}
-
-void LLVirtualTrackball::setRotation(const LLQuaternion &value)
-{
- mValue = value;
-}
-
-void LLVirtualTrackball::setValue(F32 x, F32 y, F32 z, F32 w)
-{
- mValue.set(x, y, z, w);
-}
-
-void LLVirtualTrackball::setValueAndCommit(const LLQuaternion &value)
-{
- mValue = value;
- onCommit();
-}
-
-LLSD LLVirtualTrackball::getValue() const
-{
- return mValue.getValue();
-}
-
-LLQuaternion LLVirtualTrackball::getRotation() const
-{
- return mValue;
-}
-
-// static
-void LLVirtualTrackball::getAzimuthAndElevation(const LLQuaternion &quat, F32 &azimuth, F32 &elevation)
-{
- // LLQuaternion has own function to get azimuth, but it doesn't appear to return correct values (meant for 2d?)
- LLVector3 point = VectorZero * quat;
-
- if (!is_approx_zero(point.mV[VX]) || !is_approx_zero(point.mV[VY]))
- {
- azimuth = atan2f(point.mV[VX], point.mV[VY]);
- }
- else
- {
- azimuth = 0;
- }
-
- azimuth -= F_PI_BY_TWO;
-
- if (azimuth < 0)
- {
- azimuth += F_PI * 2;
- }
-
- // while vector is '1', F32 is not sufficiently precise and we can get
- // values like 1.0000012 which will result in -90deg angle instead of 90deg
- F32 z = llclamp(point.mV[VZ], -1.f, 1.f);
- elevation = asin(z); // because VectorZero's length is '1'
-}
-
-// static
-void LLVirtualTrackball::getAzimuthAndElevationDeg(const LLQuaternion &quat, F32 &azimuth, F32 &elevation)
-{
- getAzimuthAndElevation(quat, azimuth, elevation);
- azimuth *= RAD_TO_DEG;
- elevation *= RAD_TO_DEG;
-}
-
-BOOL LLVirtualTrackball::handleHover(S32 x, S32 y, MASK mask)
-{
- if (hasMouseCapture())
- {
- if (mDragMode == DRAG_SCROLL)
- { // trackball (move to roll) mode
- LLQuaternion delta;
-
- F32 rotX = x - mPrevX;
- F32 rotY = y - mPrevY;
-
- if (abs(rotX) > 1)
- {
- F32 direction = (rotX < 0) ? -1 : 1;
- delta.setAngleAxis(mIncrementMouse * abs(rotX), 0, direction, 0); // changing X - rotate around Y axis
- mValue *= delta;
- }
-
- if (abs(rotY) > 1)
- {
- F32 direction = (rotY < 0) ? 1 : -1; // reverse for Y (value increases from bottom to top)
- delta.setAngleAxis(mIncrementMouse * abs(rotY), direction, 0, 0); // changing Y - rotate around X axis
- mValue *= delta;
- }
- }
- else
- { // set on click mode
- if (!pointInTouchCircle(x, y))
- {
- return TRUE; // don't drag outside the circle
- }
-
- F32 radius = mTouchArea->getRect().getWidth() / 2;
- F32 xx = x - mTouchArea->getRect().getCenterX();
- F32 yy = y - mTouchArea->getRect().getCenterY();
- F32 dist = sqrt(pow(xx, 2) + pow(yy, 2));
-
- F32 azimuth = llclamp(acosf(xx / dist), 0.0f, F_PI);
- F32 altitude = llclamp(acosf(dist / radius), 0.0f, F_PI_BY_TWO);
-
- if (yy < 0)
- {
- azimuth = F_TWO_PI - azimuth;
- }
-
- LLVector3 draw_point = VectorZero * mValue;
- if (draw_point.mV[VZ] >= 0.f)
- {
- if (is_approx_zero(altitude)) // don't change the hemisphere
- {
- altitude = F_APPROXIMATELY_ZERO;
- }
- altitude *= -1;
- }
-
- mValue.setAngleAxis(altitude, 0, 1, 0);
- LLQuaternion az_quat;
- az_quat.setAngleAxis(azimuth, 0, 0, 1);
- mValue *= az_quat;
- }
-
- // we are doing a lot of F32 mathematical operations with loss of precision,
- // re-normalize to compensate
- mValue.normalize();
-
- mPrevX = x;
- mPrevY = y;
- onCommit();
- }
- return TRUE;
-}
-
-BOOL LLVirtualTrackball::handleMouseUp(S32 x, S32 y, MASK mask)
-{
- if (hasMouseCapture())
- {
- mPrevX = 0;
- mPrevY = 0;
- gFocusMgr.setMouseCapture(NULL);
- make_ui_sound("UISndClickRelease");
- }
- return LLView::handleMouseUp(x, y, mask);
-}
-
-BOOL LLVirtualTrackball::handleMouseDown(S32 x, S32 y, MASK mask)
-{
- if (pointInTouchCircle(x, y))
- {
- mPrevX = x;
- mPrevY = y;
- gFocusMgr.setMouseCapture(this);
- mDragMode = (mask == MASK_CONTROL) ? DRAG_SCROLL : DRAG_SET;
- make_ui_sound("UISndClick");
- }
- return LLView::handleMouseDown(x, y, mask);
-}
-
-BOOL LLVirtualTrackball::handleRightMouseDown(S32 x, S32 y, MASK mask)
-{
- if (pointInTouchCircle(x, y))
- {
-
- //make_ui_sound("UISndClick");
- }
- return LLView::handleRightMouseDown(x, y, mask);
-}
-
-BOOL LLVirtualTrackball::handleKeyHere(KEY key, MASK mask)
-{
- BOOL handled = FALSE;
- switch (key)
- {
- case KEY_DOWN:
- onRotateTopClick();
- handled = TRUE;
- break;
- case KEY_LEFT:
- onRotateRightClick();
- handled = TRUE;
- break;
- case KEY_UP:
- onRotateBottomClick();
- handled = TRUE;
- break;
- case KEY_RIGHT:
- onRotateLeftClick();
- handled = TRUE;
- break;
- default:
- break;
- }
- return handled;
-}
-
+/**
+* @file LLVirtualTrackball.cpp
+* @author Andrey Lihatskiy
+* @brief Implementation 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.
+
+#include "linden_common.h"
+#include "llvirtualtrackball.h"
+#include "llstring.h"
+#include "llrect.h"
+#include "lluictrlfactory.h"
+#include "llrender.h"
+
+// Globals
+static LLDefaultChildRegistry::Register<LLVirtualTrackball> register_virtual_trackball("sun_moon_trackball");
+
+const LLVector3 VectorZero(1.0f, 0.0f, 0.0f);
+
+LLVirtualTrackball::Params::Params()
+ : border("border"),
+ image_moon_back("image_moon_back"),
+ image_moon_front("image_moon_front"),
+ image_sphere("image_sphere"),
+ image_sun_back("image_sun_back"),
+ image_sun_front("image_sun_front"),
+ btn_rotate_top("button_rotate_top"),
+ btn_rotate_bottom("button_rotate_bottom"),
+ btn_rotate_left("button_rotate_left"),
+ btn_rotate_right("button_rotate_right"),
+ thumb_mode("thumb_mode"),
+ lbl_N("labelN"),
+ lbl_S("labelS"),
+ lbl_W("labelW"),
+ lbl_E("labelE"),
+ increment_angle_mouse("increment_angle_mouse", 0.5f),
+ increment_angle_btn("increment_angle_btn", 3.0f)
+{
+}
+
+LLVirtualTrackball::LLVirtualTrackball(const LLVirtualTrackball::Params& p)
+ : LLUICtrl(p),
+ mImgMoonBack(p.image_moon_back),
+ mImgMoonFront(p.image_moon_front),
+ mImgSunBack(p.image_sun_back),
+ mImgSunFront(p.image_sun_front),
+ mImgSphere(p.image_sphere),
+ mThumbMode(p.thumb_mode() == "moon" ? ThumbMode::MOON : ThumbMode::SUN),
+ mIncrementMouse(DEG_TO_RAD * p.increment_angle_mouse()),
+ mIncrementBtn(DEG_TO_RAD * p.increment_angle_btn())
+{
+ LLRect border_rect = getLocalRect();
+ S32 centerX = border_rect.getCenterX();
+ S32 centerY = border_rect.getCenterY();
+ U32 btn_size = 32; // width & height
+ U32 axis_offset_lt = 16; // offset from the axis for left/top sides
+ U32 axis_offset_rb = btn_size - axis_offset_lt; // and for right/bottom
+
+ LLViewBorder::Params border = p.border;
+ border.rect(border_rect);
+ mBorder = LLUICtrlFactory::create<LLViewBorder>(border);
+ addChild(mBorder);
+
+
+ LLButton::Params btn_rt = p.btn_rotate_top;
+ btn_rt.rect(LLRect(centerX - axis_offset_lt, border_rect.mTop, centerX + axis_offset_rb, border_rect.mTop - btn_size));
+ btn_rt.click_callback.function(boost::bind(&LLVirtualTrackball::onRotateTopClick, this));
+ btn_rt.mouse_held_callback.function(boost::bind(&LLVirtualTrackball::onRotateTopClick, this));
+ btn_rt.mouseenter_callback.function(boost::bind(&LLVirtualTrackball::onRotateTopMouseEnter, this));
+ mBtnRotateTop = LLUICtrlFactory::create<LLButton>(btn_rt);
+ addChild(mBtnRotateTop);
+
+ LLTextBox::Params lbl_N = p.lbl_N;
+ LLRect rect_N = btn_rt.rect;
+ //rect_N.translate(btn_rt.rect().getWidth(), 0);
+ lbl_N.rect = rect_N;
+ lbl_N.initial_value(lbl_N.label());
+ mLabelN = LLUICtrlFactory::create<LLTextBox>(lbl_N);
+ addChild(mLabelN);
+
+
+ LLButton::Params btn_rr = p.btn_rotate_right;
+ btn_rr.rect(LLRect(border_rect.mRight - btn_size, centerY + axis_offset_lt, border_rect.mRight, centerY - axis_offset_rb));
+ btn_rr.click_callback.function(boost::bind(&LLVirtualTrackball::onRotateRightClick, this));
+ btn_rr.mouse_held_callback.function(boost::bind(&LLVirtualTrackball::onRotateRightClick, this));
+ btn_rr.mouseenter_callback.function(boost::bind(&LLVirtualTrackball::onRotateRightMouseEnter, this));
+ mBtnRotateRight = LLUICtrlFactory::create<LLButton>(btn_rr);
+ addChild(mBtnRotateRight);
+
+ LLTextBox::Params lbl_E = p.lbl_E;
+ LLRect rect_E = btn_rr.rect;
+ //rect_E.translate(0, -1 * btn_rr.rect().getHeight());
+ lbl_E.rect = rect_E;
+ lbl_E.initial_value(lbl_E.label());
+ mLabelE = LLUICtrlFactory::create<LLTextBox>(lbl_E);
+ addChild(mLabelE);
+
+
+ LLButton::Params btn_rb = p.btn_rotate_bottom;
+ btn_rb.rect(LLRect(centerX - axis_offset_lt, border_rect.mBottom + btn_size, centerX + axis_offset_rb, border_rect.mBottom));
+ btn_rb.click_callback.function(boost::bind(&LLVirtualTrackball::onRotateBottomClick, this));
+ btn_rb.mouse_held_callback.function(boost::bind(&LLVirtualTrackball::onRotateBottomClick, this));
+ btn_rb.mouseenter_callback.function(boost::bind(&LLVirtualTrackball::onRotateBottomMouseEnter, this));
+ mBtnRotateBottom = LLUICtrlFactory::create<LLButton>(btn_rb);
+ addChild(mBtnRotateBottom);
+
+ LLTextBox::Params lbl_S = p.lbl_S;
+ LLRect rect_S = btn_rb.rect;
+ //rect_S.translate(btn_rb.rect().getWidth(), 0);
+ lbl_S.rect = rect_S;
+ lbl_S.initial_value(lbl_S.label());
+ mLabelS = LLUICtrlFactory::create<LLTextBox>(lbl_S);
+ addChild(mLabelS);
+
+
+ LLButton::Params btn_rl = p.btn_rotate_left;
+ btn_rl.rect(LLRect(border_rect.mLeft, centerY + axis_offset_lt, border_rect.mLeft + btn_size, centerY - axis_offset_rb));
+ btn_rl.click_callback.function(boost::bind(&LLVirtualTrackball::onRotateLeftClick, this));
+ btn_rl.mouse_held_callback.function(boost::bind(&LLVirtualTrackball::onRotateLeftClick, this));
+ btn_rl.mouseenter_callback.function(boost::bind(&LLVirtualTrackball::onRotateLeftMouseEnter, this));
+ mBtnRotateLeft = LLUICtrlFactory::create<LLButton>(btn_rl);
+ addChild(mBtnRotateLeft);
+
+ LLTextBox::Params lbl_W = p.lbl_W;
+ LLRect rect_W = btn_rl.rect;
+ //rect_W.translate(0, -1* btn_rl.rect().getHeight());
+ lbl_W.rect = rect_W;
+ lbl_W.initial_value(lbl_W.label());
+ mLabelW = LLUICtrlFactory::create<LLTextBox>(lbl_W);
+ addChild(mLabelW);
+
+
+ LLPanel::Params touch_area;
+ touch_area.rect = LLRect(centerX - mImgSphere->getWidth() / 2,
+ centerY + mImgSphere->getHeight() / 2,
+ centerX + mImgSphere->getWidth() / 2,
+ centerY - mImgSphere->getHeight() / 2);
+ mTouchArea = LLUICtrlFactory::create<LLPanel>(touch_area);
+ addChild(mTouchArea);
+}
+
+LLVirtualTrackball::~LLVirtualTrackball()
+{
+}
+
+bool LLVirtualTrackball::postBuild()
+{
+ return true;
+}
+
+
+void LLVirtualTrackball::drawThumb(S32 x, S32 y, ThumbMode mode, bool upperHemi)
+{
+ LLUIImage* thumb;
+ if (mode == ThumbMode::SUN)
+ {
+ if (upperHemi)
+ {
+ thumb = mImgSunFront;
+ }
+ else
+ {
+ thumb = mImgSunBack;
+ }
+ }
+ else
+ {
+ if (upperHemi)
+ {
+ thumb = mImgMoonFront;
+ }
+ else
+ {
+ thumb = mImgMoonBack;
+ }
+ }
+ thumb->draw(LLRect(x - thumb->getWidth() / 2,
+ y + thumb->getHeight() / 2,
+ x + thumb->getWidth() / 2,
+ y - thumb->getHeight() / 2));
+}
+
+bool LLVirtualTrackball::pointInTouchCircle(S32 x, S32 y) const
+{
+ S32 centerX = mTouchArea->getRect().getCenterX();
+ S32 centerY = mTouchArea->getRect().getCenterY();
+
+ bool in_circle = pow(x - centerX, 2) + pow(y - centerY, 2) <= pow(mTouchArea->getRect().getWidth() / 2, 2);
+ return in_circle;
+}
+
+void LLVirtualTrackball::draw()
+{
+ LLVector3 draw_point = VectorZero * mValue;
+
+ S32 halfwidth = mTouchArea->getRect().getWidth() / 2;
+ S32 halfheight = mTouchArea->getRect().getHeight() / 2;
+ draw_point.mV[VX] = (draw_point.mV[VX] + 1.0) * halfwidth + mTouchArea->getRect().mLeft;
+ draw_point.mV[VY] = (draw_point.mV[VY] + 1.0) * halfheight + mTouchArea->getRect().mBottom;
+ bool upper_hemisphere = (draw_point.mV[VZ] >= 0.f);
+
+ mImgSphere->draw(mTouchArea->getRect(), upper_hemisphere ? UI_VERTEX_COLOR : UI_VERTEX_COLOR % 0.5f);
+ drawThumb(draw_point.mV[VX], draw_point.mV[VY], mThumbMode, upper_hemisphere);
+
+
+ if (LLView::sDebugRects)
+ {
+ gGL.color4fv(LLColor4::red.mV);
+ gl_circle_2d(mTouchArea->getRect().getCenterX(), mTouchArea->getRect().getCenterY(), mImgSphere->getWidth() / 2, 60, false);
+ gl_circle_2d(draw_point.mV[VX], draw_point.mV[VY], mImgSunFront->getWidth() / 2, 12, false);
+ }
+
+ // hide the direction labels when disabled
+ bool enabled = isInEnabledChain();
+ mLabelN->setVisible(enabled);
+ mLabelE->setVisible(enabled);
+ mLabelS->setVisible(enabled);
+ mLabelW->setVisible(enabled);
+
+ LLView::draw();
+}
+
+void LLVirtualTrackball::onRotateTopClick()
+{
+ if (getEnabled())
+ {
+ LLQuaternion delta;
+ delta.setAngleAxis(mIncrementBtn, 1, 0, 0);
+ mValue *= delta;
+ setValueAndCommit(mValue);
+
+ make_ui_sound("UISndClick");
+ }
+}
+
+void LLVirtualTrackball::onRotateBottomClick()
+{
+ if (getEnabled())
+ {
+ LLQuaternion delta;
+ delta.setAngleAxis(mIncrementBtn, -1, 0, 0);
+ mValue *= delta;
+ setValueAndCommit(mValue);
+
+ make_ui_sound("UISndClick");
+ }
+}
+
+void LLVirtualTrackball::onRotateLeftClick()
+{
+ if (getEnabled())
+ {
+ LLQuaternion delta;
+ delta.setAngleAxis(mIncrementBtn, 0, 1, 0);
+ mValue *= delta;
+ setValueAndCommit(mValue);
+
+ make_ui_sound("UISndClick");
+ }
+}
+
+void LLVirtualTrackball::onRotateRightClick()
+{
+ if (getEnabled())
+ {
+ LLQuaternion delta;
+ delta.setAngleAxis(mIncrementBtn, 0, -1, 0);
+ mValue *= delta;
+ setValueAndCommit(mValue);
+
+ make_ui_sound("UISndClick");
+ }
+}
+
+void LLVirtualTrackball::onRotateTopMouseEnter()
+{
+ mBtnRotateTop->setHighlight(true);
+}
+
+void LLVirtualTrackball::onRotateBottomMouseEnter()
+{
+ mBtnRotateBottom->setHighlight(true);
+}
+
+void LLVirtualTrackball::onRotateLeftMouseEnter()
+{
+ mBtnRotateLeft->setHighlight(true);
+}
+
+void LLVirtualTrackball::onRotateRightMouseEnter()
+{
+ mBtnRotateRight->setHighlight(true);
+}
+
+void LLVirtualTrackball::setValue(const LLSD& value)
+{
+ if (value.isArray() && value.size() == 4)
+ {
+ mValue.setValue(value);
+ }
+}
+
+void LLVirtualTrackball::setRotation(const LLQuaternion &value)
+{
+ mValue = value;
+}
+
+void LLVirtualTrackball::setValue(F32 x, F32 y, F32 z, F32 w)
+{
+ mValue.set(x, y, z, w);
+}
+
+void LLVirtualTrackball::setValueAndCommit(const LLQuaternion &value)
+{
+ mValue = value;
+ onCommit();
+}
+
+LLSD LLVirtualTrackball::getValue() const
+{
+ return mValue.getValue();
+}
+
+LLQuaternion LLVirtualTrackball::getRotation() const
+{
+ return mValue;
+}
+
+// static
+void LLVirtualTrackball::getAzimuthAndElevation(const LLQuaternion &quat, F32 &azimuth, F32 &elevation)
+{
+ // LLQuaternion has own function to get azimuth, but it doesn't appear to return correct values (meant for 2d?)
+ LLVector3 point = VectorZero * quat;
+
+ if (!is_approx_zero(point.mV[VX]) || !is_approx_zero(point.mV[VY]))
+ {
+ azimuth = atan2f(point.mV[VX], point.mV[VY]);
+ }
+ else
+ {
+ azimuth = 0;
+ }
+
+ azimuth -= F_PI_BY_TWO;
+
+ if (azimuth < 0)
+ {
+ azimuth += F_PI * 2;
+ }
+
+ // while vector is '1', F32 is not sufficiently precise and we can get
+ // values like 1.0000012 which will result in -90deg angle instead of 90deg
+ F32 z = llclamp(point.mV[VZ], -1.f, 1.f);
+ elevation = asin(z); // because VectorZero's length is '1'
+}
+
+// static
+void LLVirtualTrackball::getAzimuthAndElevationDeg(const LLQuaternion &quat, F32 &azimuth, F32 &elevation)
+{
+ getAzimuthAndElevation(quat, azimuth, elevation);
+ azimuth *= RAD_TO_DEG;
+ elevation *= RAD_TO_DEG;
+}
+
+bool LLVirtualTrackball::handleHover(S32 x, S32 y, MASK mask)
+{
+ if (hasMouseCapture())
+ {
+ if (mDragMode == DRAG_SCROLL)
+ { // trackball (move to roll) mode
+ LLQuaternion delta;
+
+ F32 rotX = x - mPrevX;
+ F32 rotY = y - mPrevY;
+
+ if (abs(rotX) > 1)
+ {
+ F32 direction = (rotX < 0) ? -1 : 1;
+ delta.setAngleAxis(mIncrementMouse * abs(rotX), 0, direction, 0); // changing X - rotate around Y axis
+ mValue *= delta;
+ }
+
+ if (abs(rotY) > 1)
+ {
+ F32 direction = (rotY < 0) ? 1 : -1; // reverse for Y (value increases from bottom to top)
+ delta.setAngleAxis(mIncrementMouse * abs(rotY), direction, 0, 0); // changing Y - rotate around X axis
+ mValue *= delta;
+ }
+ }
+ else
+ { // set on click mode
+ if (!pointInTouchCircle(x, y))
+ {
+ return true; // don't drag outside the circle
+ }
+
+ F32 radius = mTouchArea->getRect().getWidth() / 2;
+ F32 xx = x - mTouchArea->getRect().getCenterX();
+ F32 yy = y - mTouchArea->getRect().getCenterY();
+ F32 dist = sqrt(pow(xx, 2) + pow(yy, 2));
+
+ F32 azimuth = llclamp(acosf(xx / dist), 0.0f, F_PI);
+ F32 altitude = llclamp(acosf(dist / radius), 0.0f, F_PI_BY_TWO);
+
+ if (yy < 0)
+ {
+ azimuth = F_TWO_PI - azimuth;
+ }
+
+ LLVector3 draw_point = VectorZero * mValue;
+ if (draw_point.mV[VZ] >= 0.f)
+ {
+ if (is_approx_zero(altitude)) // don't change the hemisphere
+ {
+ altitude = F_APPROXIMATELY_ZERO;
+ }
+ altitude *= -1;
+ }
+
+ mValue.setAngleAxis(altitude, 0, 1, 0);
+ LLQuaternion az_quat;
+ az_quat.setAngleAxis(azimuth, 0, 0, 1);
+ mValue *= az_quat;
+ }
+
+ // we are doing a lot of F32 mathematical operations with loss of precision,
+ // re-normalize to compensate
+ mValue.normalize();
+
+ mPrevX = x;
+ mPrevY = y;
+ onCommit();
+ }
+ return true;
+}
+
+bool LLVirtualTrackball::handleMouseUp(S32 x, S32 y, MASK mask)
+{
+ if (hasMouseCapture())
+ {
+ mPrevX = 0;
+ mPrevY = 0;
+ gFocusMgr.setMouseCapture(NULL);
+ make_ui_sound("UISndClickRelease");
+ }
+ return LLView::handleMouseUp(x, y, mask);
+}
+
+bool LLVirtualTrackball::handleMouseDown(S32 x, S32 y, MASK mask)
+{
+ if (pointInTouchCircle(x, y))
+ {
+ mPrevX = x;
+ mPrevY = y;
+ gFocusMgr.setMouseCapture(this);
+ mDragMode = (mask == MASK_CONTROL) ? DRAG_SCROLL : DRAG_SET;
+ make_ui_sound("UISndClick");
+ }
+ return LLView::handleMouseDown(x, y, mask);
+}
+
+bool LLVirtualTrackball::handleRightMouseDown(S32 x, S32 y, MASK mask)
+{
+ if (pointInTouchCircle(x, y))
+ {
+
+ //make_ui_sound("UISndClick");
+ }
+ return LLView::handleRightMouseDown(x, y, mask);
+}
+
+bool LLVirtualTrackball::handleKeyHere(KEY key, MASK mask)
+{
+ bool handled = false;
+ switch (key)
+ {
+ case KEY_DOWN:
+ onRotateTopClick();
+ handled = true;
+ break;
+ case KEY_LEFT:
+ onRotateRightClick();
+ handled = true;
+ break;
+ case KEY_UP:
+ onRotateBottomClick();
+ handled = true;
+ break;
+ case KEY_RIGHT:
+ onRotateLeftClick();
+ handled = true;
+ break;
+ default:
+ break;
+ }
+ return handled;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 22:28:53 +0000