code format
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@@ -1,49 +1,53 @@
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#include "rangeslider.h"
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#include "qad_types.h"
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#include <QPalette>
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RangeSlider::RangeSlider(QWidget * parent)
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: QWidget(parent),
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m_minimum(0),
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m_maximum(100),
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m_lowerValue(0),
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m_upperValue(100),
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mFirstHandlePressed(false),
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mSecondHandlePressed(false),
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orientation(Qt::Horizontal),
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m_mode(DoubleHandles)
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{init();}
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: QWidget(parent)
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, m_minimum(0)
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, m_maximum(100)
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, m_lowerValue(0)
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, m_upperValue(100)
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, mFirstHandlePressed(false)
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, mSecondHandlePressed(false)
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, orientation(Qt::Horizontal)
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, m_mode(DoubleHandles) {
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init();
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}
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RangeSlider::RangeSlider(Qt::Orientation ori, Mode m, QWidget * parent)
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: QWidget(parent),
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m_minimum(0),
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m_maximum(100),
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m_lowerValue(0),
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m_upperValue(100),
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mFirstHandlePressed(false),
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mSecondHandlePressed(false),
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orientation(ori),
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m_mode(m)
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{init();}
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: QWidget(parent)
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, m_minimum(0)
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, m_maximum(100)
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, m_lowerValue(0)
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, m_upperValue(100)
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, mFirstHandlePressed(false)
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, mSecondHandlePressed(false)
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, orientation(ori)
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, m_mode(m) {
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init();
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}
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void RangeSlider::init() {
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setMouseTracking(true);
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scHandleSideLength = 16*lineThickness(this);
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scSliderBarHeight = 8*lineThickness(this);
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scLeftRightMargin = 2*lineThickness(this);
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scHandleSideLength = 16 * lineThickness(this);
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scSliderBarHeight = 8 * lineThickness(this);
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scLeftRightMargin = 2 * lineThickness(this);
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}
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void RangeSlider::paintEvent(QPaintEvent *) {
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QPainter painter(this);
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// Background
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QRectF backgroundRect;
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if(orientation == Qt::Horizontal)
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if (orientation == Qt::Horizontal)
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backgroundRect = QRectF(scLeftRightMargin, (height() - scSliderBarHeight) / 2, width() - scLeftRightMargin * 2, scSliderBarHeight);
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else
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backgroundRect = QRectF((width() - scSliderBarHeight) / 2, scLeftRightMargin, scSliderBarHeight, height() - scLeftRightMargin*2);
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backgroundRect = QRectF((width() - scSliderBarHeight) / 2, scLeftRightMargin, scSliderBarHeight, height() - scLeftRightMargin * 2);
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QPen pen(palette().color(QPalette::Disabled, QPalette::Text));
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painter.setPen(pen);
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@@ -59,18 +63,16 @@ void RangeSlider::paintEvent(QPaintEvent *) {
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setBrush(palette().color(QPalette::Active, QPalette::Button));
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QRectF leftHandleRect = firstHandleRect();
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if(m_mode.testFlag(LeftHandle))
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painter.drawEllipse(leftHandleRect);
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if (m_mode.testFlag(LeftHandle)) painter.drawEllipse(leftHandleRect);
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// Second value handle rect
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QRectF rightHandleRect = secondHandleRect();
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if(m_mode.testFlag(RightHandle))
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painter.drawEllipse(rightHandleRect);
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if (m_mode.testFlag(RightHandle)) painter.drawEllipse(rightHandleRect);
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// Handles
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painter.setRenderHint(QPainter::Antialiasing, false);
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QRectF selectedRect(backgroundRect);
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if(orientation == Qt::Horizontal) {
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if (orientation == Qt::Horizontal) {
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selectedRect.setLeft((m_mode.testFlag(LeftHandle) ? leftHandleRect.right() : leftHandleRect.left()) + 0.5);
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selectedRect.setRight((m_mode.testFlag(RightHandle) ? rightHandleRect.left() : rightHandleRect.right()) - 0.5);
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} else {
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@@ -99,71 +101,73 @@ QRectF RangeSlider::secondHandleRect() const {
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QRectF RangeSlider::handleRect(int value) const {
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if(orientation == Qt::Horizontal)
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return QRect(value, (height()-scHandleSideLength) / 2, scHandleSideLength, scHandleSideLength);
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if (orientation == Qt::Horizontal)
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return QRect(value, (height() - scHandleSideLength) / 2, scHandleSideLength, scHandleSideLength);
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else
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return QRect((width()-scHandleSideLength) / 2, value, scHandleSideLength, scHandleSideLength);
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return QRect((width() - scHandleSideLength) / 2, value, scHandleSideLength, scHandleSideLength);
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}
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void RangeSlider::mousePressEvent(QMouseEvent* e) {
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if(e->buttons() & Qt::LeftButton) {
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void RangeSlider::mousePressEvent(QMouseEvent * e) {
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if (e->buttons() & Qt::LeftButton) {
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int posCheck, posMax, posValue, firstHandleRectPosValue, secondHandleRectPosValue;
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posCheck = (orientation == Qt::Horizontal) ? e->pos().y() : e->pos().x();
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posMax = (orientation == Qt::Horizontal) ? height() : width();
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posValue = (orientation == Qt::Horizontal) ? e->pos().x() : e->pos().y();
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firstHandleRectPosValue = (orientation == Qt::Horizontal) ? firstHandleRect().x() : firstHandleRect().y();
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posCheck = (orientation == Qt::Horizontal) ? e->pos().y() : e->pos().x();
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posMax = (orientation == Qt::Horizontal) ? height() : width();
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posValue = (orientation == Qt::Horizontal) ? e->pos().x() : e->pos().y();
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firstHandleRectPosValue = (orientation == Qt::Horizontal) ? firstHandleRect().x() : firstHandleRect().y();
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secondHandleRectPosValue = (orientation == Qt::Horizontal) ? secondHandleRect().x() : secondHandleRect().y();
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mSecondHandlePressed = secondHandleRect().contains(e->pos());
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mFirstHandlePressed = !mSecondHandlePressed && firstHandleRect().contains(e->pos());
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if(mFirstHandlePressed) {
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mSecondHandlePressed = secondHandleRect().contains(e->pos());
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mFirstHandlePressed = !mSecondHandlePressed && firstHandleRect().contains(e->pos());
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if (mFirstHandlePressed) {
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mDelta = posValue - (firstHandleRectPosValue + scHandleSideLength / 2);
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} else if(mSecondHandlePressed) {
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} else if (mSecondHandlePressed) {
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mDelta = posValue - (secondHandleRectPosValue + scHandleSideLength / 2);
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}
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if(posCheck >= 2 && posCheck <= posMax - 2) {
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if (posCheck >= 2 && posCheck <= posMax - 2) {
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int step = interval() / 10 < 1 ? 1 : interval() / 10;
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if(posValue < firstHandleRectPosValue)
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if (posValue < firstHandleRectPosValue)
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setLowerValue(m_lowerValue - step);
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else if(((posValue > firstHandleRectPosValue + scHandleSideLength) || !m_mode.testFlag(LeftHandle))
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&& ((posValue < secondHandleRectPosValue) || !m_mode.testFlag(RightHandle)))
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{
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if(m_mode.testFlag(DoubleHandles)) {
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if(posValue - (firstHandleRectPosValue + scHandleSideLength) <
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(secondHandleRectPosValue - (firstHandleRectPosValue + scHandleSideLength)) / 2) {
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else if (((posValue > firstHandleRectPosValue + scHandleSideLength) || !m_mode.testFlag(LeftHandle)) &&
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((posValue < secondHandleRectPosValue) || !m_mode.testFlag(RightHandle))) {
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if (m_mode.testFlag(DoubleHandles)) {
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if (posValue - (firstHandleRectPosValue + scHandleSideLength) <
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(secondHandleRectPosValue - (firstHandleRectPosValue + scHandleSideLength)) / 2) {
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setLowerValue((m_lowerValue + step < m_upperValue) ? m_lowerValue + step : m_upperValue);
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} else {
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} else {
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setUpperValue((m_upperValue - step > m_lowerValue) ? m_upperValue - step : m_lowerValue);
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}
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} else if(m_mode.testFlag(LeftHandle)) {
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} else if (m_mode.testFlag(LeftHandle)) {
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setLowerValue((m_lowerValue + step < m_upperValue) ? m_lowerValue + step : m_upperValue);
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} else if(m_mode.testFlag(RightHandle)) {
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} else if (m_mode.testFlag(RightHandle)) {
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setUpperValue((m_upperValue - step > m_lowerValue) ? m_upperValue - step : m_lowerValue);
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}
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}
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else if(posValue > secondHandleRectPosValue + scHandleSideLength)
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} else if (posValue > secondHandleRectPosValue + scHandleSideLength)
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setUpperValue(m_upperValue + step);
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}
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}
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}
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void RangeSlider::mouseMoveEvent(QMouseEvent* e) {
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if(e->buttons() & Qt::LeftButton) {
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void RangeSlider::mouseMoveEvent(QMouseEvent * e) {
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if (e->buttons() & Qt::LeftButton) {
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int posValue, firstHandleRectPosValue, secondHandleRectPosValue;
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posValue = (orientation == Qt::Horizontal) ? e->pos().x() : e->pos().y();
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firstHandleRectPosValue = (orientation == Qt::Horizontal) ? firstHandleRect().x() : firstHandleRect().y();
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posValue = (orientation == Qt::Horizontal) ? e->pos().x() : e->pos().y();
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firstHandleRectPosValue = (orientation == Qt::Horizontal) ? firstHandleRect().x() : firstHandleRect().y();
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secondHandleRectPosValue = (orientation == Qt::Horizontal) ? secondHandleRect().x() : secondHandleRect().y();
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if(mFirstHandlePressed && m_mode.testFlag(LeftHandle)) {
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if(posValue - mDelta + scHandleSideLength / 2 <= secondHandleRectPosValue) {
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setLowerValue((posValue - mDelta - scLeftRightMargin - scHandleSideLength / 2) * 1.0 / validLength() * interval() + m_minimum);
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if (mFirstHandlePressed && m_mode.testFlag(LeftHandle)) {
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if (posValue - mDelta + scHandleSideLength / 2 <= secondHandleRectPosValue) {
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setLowerValue((posValue - mDelta - scLeftRightMargin - scHandleSideLength / 2) * 1.0 / validLength() * interval() +
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m_minimum);
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} else {
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setLowerValue(m_upperValue);
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}
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} else if(mSecondHandlePressed && m_mode.testFlag(RightHandle)) {
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if(firstHandleRectPosValue + scHandleSideLength * (m_mode.testFlag(DoubleHandles) ? 1.5 : 0.5) <= posValue - mDelta) {
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setUpperValue((posValue - mDelta - scLeftRightMargin - scHandleSideLength / 2 - (m_mode.testFlag(DoubleHandles) ? scHandleSideLength : 0)) * 1.0 / validLength() * interval() + m_minimum);
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} else if (mSecondHandlePressed && m_mode.testFlag(RightHandle)) {
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if (firstHandleRectPosValue + scHandleSideLength * (m_mode.testFlag(DoubleHandles) ? 1.5 : 0.5) <= posValue - mDelta) {
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setUpperValue((posValue - mDelta - scLeftRightMargin - scHandleSideLength / 2 -
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(m_mode.testFlag(DoubleHandles) ? scHandleSideLength : 0)) *
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1.0 / validLength() * interval() +
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m_minimum);
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} else {
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setUpperValue(m_lowerValue);
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}
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@@ -173,13 +177,13 @@ void RangeSlider::mouseMoveEvent(QMouseEvent* e) {
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void RangeSlider::mouseReleaseEvent(QMouseEvent *) {
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mFirstHandlePressed = false;
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mFirstHandlePressed = false;
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mSecondHandlePressed = false;
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}
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void RangeSlider::changeEvent(QEvent * e) {
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if(e->type() == QEvent::EnabledChange) {
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if (e->type() == QEvent::EnabledChange) {
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update();
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}
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}
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@@ -191,8 +195,8 @@ QSize RangeSlider::minimumSizeHint() const {
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void RangeSlider::setLowerValue(int value) {
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if(value > m_maximum) value = m_maximum;
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if(value < m_minimum) value = m_minimum;
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if (value > m_maximum) value = m_maximum;
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if (value < m_minimum) value = m_minimum;
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m_lowerValue = value;
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emit lowerValueChanged(m_lowerValue);
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emit valueChanged(m_lowerValue, m_upperValue);
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@@ -201,8 +205,8 @@ void RangeSlider::setLowerValue(int value) {
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void RangeSlider::setUpperValue(int value) {
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if(value > m_maximum) value = m_maximum;
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if(value < m_minimum) value = m_minimum;
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if (value > m_maximum) value = m_maximum;
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if (value < m_minimum) value = m_minimum;
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m_upperValue = value;
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emit upperValueChanged(m_upperValue);
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emit valueChanged(m_lowerValue, m_upperValue);
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@@ -211,12 +215,12 @@ void RangeSlider::setUpperValue(int value) {
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void RangeSlider::setMinimum(int minimum) {
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if(minimum <= m_maximum) {
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if (minimum <= m_maximum) {
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m_minimum = minimum;
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} else {
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int oldMax = m_maximum;
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m_minimum = oldMax;
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m_maximum = minimum;
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m_minimum = oldMax;
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m_maximum = minimum;
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}
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update();
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setLowerValue(m_minimum);
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@@ -227,12 +231,12 @@ void RangeSlider::setMinimum(int minimum) {
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void RangeSlider::setMaximum(int maximum) {
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if(maximum >= m_minimum) {
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if (maximum >= m_minimum) {
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m_maximum = maximum;
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} else {
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int oldMin = m_minimum;
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m_maximum = oldMin;
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m_minimum = maximum;
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m_maximum = oldMin;
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m_minimum = maximum;
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}
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update();
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setLowerValue(m_minimum);
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