SwitchButton.zip

#pragma execution_character_set("utf-8") #include "SwitchButton.h" #include <QPainter> SwitchButton::SwitchButton(QWidget *parent) : QWidget(parent) { m_space = 2; m_radius = 5; m_checked = false; m_showText = true; m_showText = false; m_animation = true; m_bgColorOn = QColor(21, 156, 119); m_bgColorOff = QColor(111, 122, 126); m_sliderColorOn = QColor(255, 255, 255); m_sliderColorOff = QColor(255, 255, 255); m_textColor = QColor(255, 255, 255); m_textOn = "开启"; m_textOff = "关闭"; m_step = 0; m_startX = 0; m_endX = 0; m_timer = new QTimer(this); m_timer->setInterval(30); connect(m_timer, SIGNAL(timeout()), this, SLOT(updateValue())); } void SwitchButton::drawBackGround(QPainter *painter) { painter->save(); painter->setPen(Qt::NoPen); QColor bgColor = m_checked ? m_bgColorOn : m_bgColorOff; if (isEnabled()) { bgColor.setAlpha(60); } painter->setBrush(bgColor); QRect rect(0, 0, width(), height()); int side = qMin(width(), height()); //左侧半圆 QPainterPath path1; path1.addEllipse(rect.x(), rect.y(), side, side); //右侧半圆 QPainterPath path2; path2.addEllipse(rect.width() - side, rect.y(), side, side); //中间的矩形 QPainterPath path3; path3.addRect(rect.x() + side / 2, rect.y(), rect.width() - side, height()); QPainterPath path = path1 + path2 + path3; painter->drawPath(path); //绘制文本 //滑块半径 int sliderWidth = qMin(height(), width()) - m_space * 2 - 5; if (m_checked){ QRect textRect(0, 0, width() - sliderWidth, height()); painter->setPen(QPen(m_textColor)); painter->drawText(textRect, Qt::AlignCenter, m_textOn); } else { QRect textRect(sliderWidth, 0, width() - sliderWidth, height()); painter->setPen(QPen(m_textColor)); painter->drawText(textRect, Qt::AlignCenter, m_textOff); } painter->restore(); } void SwitchButton::drawSlider(QPainter *painter) { painter->save(); painter->setPen(Qt::NoPen); QColor color = m_checked ? m_sliderColorOn : m_sliderColorOff; painter->setBrush(QBrush(color)); int sliderWidth = qMin(width(), height()) - m_space * 2; QRect rect(m_space + m_startX, m_space, sliderWidth, sliderWidth); painter->drawEllipse(rect); painter->restore(); } void SwitchButton::paintEvent(QPaintEvent *ev) { //启用反锯齿 QPainter painter(this); painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing); //绘制背景 drawBackGround(&painter); //绘制滑块 drawSlider(&painter); } void SwitchButton::mousePressEvent(QMouseEvent *ev) { Q_UNUSED(ev) m_checked = !m_checked; emit statusChanged(m_checked); //计算步长 m_step = width() / 10; //计算滑块X轴终点坐标 if (m_checked) { m_endX = width() - height(); } else { m_endX = 0; } //判断是否使用动画 if (m_animation) { m_timer->start(); } else{ m_startX = m_endX; update(); } } void SwitchButton::updateValue() { if (m_checked) { if (m_startX < m_endX) { m_startX += m_step; } else { m_startX = m_endX; m_timer->stop(); } } else { if (m_startX > m_endX) { m_startX -= m_step; } else { m_startX = m_endX; m_timer->stop(); } } update(); } int SwitchButton::space() const { return m_space; } int SwitchButton::radius() const { return m_radius; } bool SwitchButton::checked() const { return m_checked; } bool SwitchButton::showText() const { return m_showText; } bool SwitchButton::showCircel() const { return m_showCircle; } bool SwitchButton::animation() const { return m_animation; } QColor SwitchButton::bgColorOn() const { return m_bgColorOn; } QColor SwitchButton::bgColorOff() const { return m_bgColorOff; } QColor SwitchButton::sliderColorOn() const { return m_sliderColorOn; } QColor SwitchButton::sliderColorOff() const { return m_sliderColorOff; } QColor SwitchButton::textColor() const { return m_textColor; } QString SwitchButton::textOn() const { return m_textOn; } QString SwitchButton::textOff() const { return m_textOff; } int SwitchButton::step() const { return m_step; } int SwitchButton::startX() const { return m_startX; } int SwitchButton::endX() const { return m_endX; } void SwitchButton::setSpace(int space) { if (m_space != space) { m_space = space; update(); } } void SwitchButton::setRadius(int radius) { if (m_radius != radius) { m_radius = radius; update(); } } void SwitchButton::setChecked(bool checked) { if (m_checked != checked) { m_checked = checked; update(); } } void SwitchButton::setShowText(bool show) { if (m_showText != show) { m_showText = show; update(); } } void SwitchButton::setShowCircle(bool show) { if (m_showCircle != show) { m_showCircle = show; update(); } } void SwitchButton::setAnimation(bool ok) { if (m_animation != ok) { m_animation = ok; update(); } } void SwitchButton::setBgColorOn(const QColor &color) { if (m_bgColorOn != color) { m_bgColorOn = color; update(); } } void SwitchButton::setBgColorOff(const QColor &color) { if (m_bgColorOff != color) { m_bgColorOff = color; update(); } } void SwitchButton::setSliderColorOn(const QColor &color) { if (m_sliderColorOn != color) { m_sliderColorOn = color; update(); } } void SwitchButton::setSliderColorOff(const QColor &color) { if (m_sliderColorOff != color) { m_sliderColorOff = color; update(); } } void SwitchButton::setTextColor(const QColor &color) { if (m_textColor != color) { m_textColor = color; update(); } } void SwitchButton::setTextOn(const QString &text) { if (m_textOn != text) { m_textOn = text; update(); } } void SwitchButton::setTextOff(const QString &text) { if (m_textOff != text) { m_textOff = text; update(); } } //void SwitchButton::setStep(int step) //{ // if (m_step != step) { // m_step = step; // update(); // } //} //void SwitchButton::setStartX(int startX) //{ //} //void SwitchButton::setEndX(int endX) //{ //}