高亮按钮控件,既能够做为相似于交通指示灯使用,也能够做为设备状态指示灯使用,控件内置多套颜色风格,还能够本身设置颜色风格,按钮能够增长文字显示,很是适合须要在状态设备上显示小量的文字展现,按钮还能够开启报警,开启后会红黑闪烁,也能够自定义设置报警的两种颜色,除了默认是圆形外,还能够设置成矩形模式,控件写好了做为独立控件拖动使用,这样的话能够将控件做为一个设备,在地图上拖动,用户只须要开启拖动便可,不须要再本身编码。linux
#ifndef LIGHTBUTTON_H #define LIGHTBUTTON_H /** * 高亮发光按钮控件 做者:feiyangqingyun(QQ:517216493) 2016-10-16 * 1:可设置文本,居中显示 * 2:可设置文本颜色 * 3:可设置外边框渐变颜色 * 4:可设置里边框渐变颜色 * 5:可设置背景色 * 6:可直接调用内置的设置 绿色/红色/黄色/黑色/蓝色 等公有槽函数 * 7:可设置是否在容器中可移动,当成一个对象使用 * 8:可设置是否显示矩形 * 9:可设置报警颜色+非报警颜色 * 10:可控制启动报警和中止报警,报警时闪烁 */ #include <QWidget> #ifdef quc #if (QT_VERSION < QT_VERSION_CHECK(5,7,0)) #include <QtDesigner/QDesignerExportWidget> #else #include <QtUiPlugin/QDesignerExportWidget> #endif class QDESIGNER_WIDGET_EXPORT LightButton : public QWidget #else class LightButton : public QWidget #endif { Q_OBJECT Q_PROPERTY(QString text READ getText WRITE setText) Q_PROPERTY(QColor textColor READ getTextColor WRITE setTextColor) Q_PROPERTY(QColor alarmColor READ getAlarmColor WRITE setAlarmColor) Q_PROPERTY(QColor normalColor READ getNormalColor WRITE setNormalColor) Q_PROPERTY(QColor borderOutColorStart READ getBorderOutColorStart WRITE setBorderOutColorStart) Q_PROPERTY(QColor borderOutColorEnd READ getBorderOutColorEnd WRITE setBorderOutColorEnd) Q_PROPERTY(QColor borderInColorStart READ getBorderInColorStart WRITE setBorderInColorStart) Q_PROPERTY(QColor borderInColorEnd READ getBorderInColorEnd WRITE setBorderInColorEnd) Q_PROPERTY(QColor bgColor READ getBgColor WRITE setBgColor) Q_PROPERTY(bool canMove READ getCanMove WRITE setCanMove) Q_PROPERTY(bool showRect READ getShowRect WRITE setShowRect) Q_PROPERTY(bool showOverlay READ getShowOverlay WRITE setShowOverlay) Q_PROPERTY(QColor overlayColor READ getOverlayColor WRITE setOverlayColor) public: explicit LightButton(QWidget *parent = 0); protected: bool eventFilter(QObject *watched, QEvent *event); void paintEvent(QPaintEvent *); void drawBorderOut(QPainter *painter); void drawBorderIn(QPainter *painter); void drawBg(QPainter *painter); void drawText(QPainter *painter); void drawOverlay(QPainter *painter); private: QString text; //文本 QColor textColor; //文字颜色 QColor alarmColor; //报警颜色 QColor normalColor; //正常颜色 QColor borderOutColorStart; //外边框渐变开始颜色 QColor borderOutColorEnd; //外边框渐变结束颜色 QColor borderInColorStart; //里边框渐变开始颜色 QColor borderInColorEnd; //里边框渐变结束颜色 QColor bgColor; //背景颜色 bool showRect; //显示成矩形 bool canMove; //是否可以移动 bool showOverlay; //是否显示遮罩层 QColor overlayColor; //遮罩层颜色 QTimer *timerAlarm; //定时器切换颜色 public: QString getText() const; QColor getTextColor() const; QColor getAlarmColor() const; QColor getNormalColor() const; QColor getBorderOutColorStart() const; QColor getBorderOutColorEnd() const; QColor getBorderInColorStart() const; QColor getBorderInColorEnd() const; QColor getBgColor() const; bool getCanMove() const; bool getShowRect() const; bool getShowOverlay() const; QColor getOverlayColor() const; QSize sizeHint() const; QSize minimumSizeHint() const; public Q_SLOTS: //设置文本 void setText(const QString &text); //设置文本颜色 void setTextColor(const QColor &textColor); //设置报警颜色+正常颜色 void setAlarmColor(const QColor &alarmColor); void setNormalColor(const QColor &normalColor); //设置外边框渐变颜色 void setBorderOutColorStart(const QColor &borderOutColorStart); void setBorderOutColorEnd(const QColor &borderOutColorEnd); //设置里边框渐变颜色 void setBorderInColorStart(const QColor &borderInColorStart); void setBorderInColorEnd(const QColor &borderInColorEnd); //设置背景色 void setBgColor(const QColor &bgColor); //设置是否可移动 void setCanMove(bool canMove); //设置是否显示矩形 void setShowRect(bool showRect); //设置是否显示遮罩层 void setShowOverlay(bool showOverlay); //设置遮罩层颜色 void setOverlayColor(const QColor &overlayColor); //设置为绿色 void setGreen(); //设置为红色 void setRed(); //设置为黄色 void setYellow(); //设置为黑色 void setBlack(); //设置为灰色 void setGray(); //设置为蓝色 void setBlue(); //设置为淡蓝色 void setLightBlue(); //设置为淡红色 void setLightRed(); //设置为淡绿色 void setLightGreen(); //设置报警闪烁 void startAlarm(); void stopAlarm(); void alarm(); }; #endif // LIGHTBUTTON_H
#pragma execution_character_set("utf-8") #include "lightbutton.h" #include "qpainter.h" #include "qevent.h" #include "qtimer.h" #include "qdebug.h" LightButton::LightButton(QWidget *parent) : QWidget(parent) { text = ""; textColor = QColor(255, 255, 255); alarmColor = QColor(255, 107, 107); normalColor = QColor(10, 10, 10); borderOutColorStart = QColor(255, 255, 255); borderOutColorEnd = QColor(166, 166, 166); borderInColorStart = QColor(166, 166, 166); borderInColorEnd = QColor(255, 255, 255); bgColor = QColor(100, 184, 255); showRect = false; showOverlay = true; overlayColor = QColor(255, 255, 255); canMove = false; this->installEventFilter(this); timerAlarm = new QTimer(this); connect(timerAlarm, SIGNAL(timeout()), this, SLOT(alarm())); timerAlarm->setInterval(500); //setFont(QFont("Arial", 8)); } bool LightButton::eventFilter(QObject *watched, QEvent *event) { if (canMove) { static QPoint lastPnt; static bool pressed = false; QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event); if (mouseEvent->type() == QEvent::MouseButtonPress) { if (this->rect().contains(mouseEvent->pos()) && (mouseEvent->button() == Qt::LeftButton)) { lastPnt = mouseEvent->pos(); pressed = true; } } else if (mouseEvent->type() == QEvent::MouseMove && pressed) { int dx = mouseEvent->pos().x() - lastPnt.x(); int dy = mouseEvent->pos().y() - lastPnt.y(); this->move(this->x() + dx, this->y() + dy); } else if (mouseEvent->type() == QEvent::MouseButtonRelease && pressed) { pressed = false; } } return QWidget::eventFilter(watched, event); } void LightButton::paintEvent(QPaintEvent *) { int width = this->width(); int height = this->height(); int side = qMin(width, height); //绘制准备工做,启用反锯齿,平移坐标轴中心,等比例缩放 QPainter painter(this); painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing); if (showRect) { //绘制矩形区域 painter.setPen(Qt::NoPen); painter.setBrush(bgColor); painter.drawRoundedRect(this->rect(), 5, 5); //绘制文字 if (!text.isEmpty()) { QFont font; font.setPixelSize(side - 20); painter.setFont(font); painter.setPen(textColor); painter.drawText(this->rect(), Qt::AlignCenter, text); } } else { painter.translate(width / 2, height / 2); painter.scale(side / 200.0, side / 200.0); //绘制外边框 drawBorderOut(&painter); //绘制内边框 drawBorderIn(&painter); //绘制内部指示颜色 drawBg(&painter); //绘制居中文字 drawText(&painter); //绘制遮罩层 drawOverlay(&painter); } } void LightButton::drawBorderOut(QPainter *painter) { int radius = 99; painter->save(); painter->setPen(Qt::NoPen); QLinearGradient borderGradient(0, -radius, 0, radius); borderGradient.setColorAt(0, borderOutColorStart); borderGradient.setColorAt(1, borderOutColorEnd); painter->setBrush(borderGradient); painter->drawEllipse(-radius, -radius, radius * 2, radius * 2); painter->restore(); } void LightButton::drawBorderIn(QPainter *painter) { int radius = 90; painter->save(); painter->setPen(Qt::NoPen); QLinearGradient borderGradient(0, -radius, 0, radius); borderGradient.setColorAt(0, borderInColorStart); borderGradient.setColorAt(1, borderInColorEnd); painter->setBrush(borderGradient); painter->drawEllipse(-radius, -radius, radius * 2, radius * 2); painter->restore(); } void LightButton::drawBg(QPainter *painter) { int radius = 80; painter->save(); painter->setPen(Qt::NoPen); painter->setBrush(bgColor); painter->drawEllipse(-radius, -radius, radius * 2, radius * 2); painter->restore(); } void LightButton::drawText(QPainter *painter) { if (text.isEmpty()) { return; } int radius = 100; painter->save(); QFont font; font.setPixelSize(85); painter->setFont(font); painter->setPen(textColor); QRect rect(-radius, -radius, radius * 2, radius * 2); painter->drawText(rect, Qt::AlignCenter, text); painter->restore(); } void LightButton::drawOverlay(QPainter *painter) { if (!showOverlay) { return; } int radius = 80; painter->save(); painter->setPen(Qt::NoPen); QPainterPath smallCircle; QPainterPath bigCircle; radius -= 1; smallCircle.addEllipse(-radius, -radius, radius * 2, radius * 2); radius *= 2; bigCircle.addEllipse(-radius, -radius + 140, radius * 2, radius * 2); //高光的形状为小圆扣掉大圆的部分 QPainterPath highlight = smallCircle - bigCircle; QLinearGradient linearGradient(0, -radius / 2, 0, 0); overlayColor.setAlpha(100); linearGradient.setColorAt(0.0, overlayColor); overlayColor.setAlpha(30); linearGradient.setColorAt(1.0, overlayColor); painter->setBrush(linearGradient); painter->rotate(-20); painter->drawPath(highlight); painter->restore(); } QString LightButton::getText() const { return this->text; } QColor LightButton::getTextColor() const { return this->textColor; } QColor LightButton::getAlarmColor() const { return this->alarmColor; } QColor LightButton::getNormalColor() const { return this->normalColor; } QColor LightButton::getBorderOutColorStart() const { return this->borderOutColorStart; } QColor LightButton::getBorderOutColorEnd() const { return this->borderOutColorEnd; } QColor LightButton::getBorderInColorStart() const { return this->borderInColorStart; } QColor LightButton::getBorderInColorEnd() const { return this->borderInColorEnd; } QColor LightButton::getBgColor() const { return this->bgColor; } bool LightButton::getCanMove() const { return this->canMove; } bool LightButton::getShowRect() const { return this->showRect; } bool LightButton::getShowOverlay() const { return this->showOverlay; } QColor LightButton::getOverlayColor() const { return this->overlayColor; } QSize LightButton::sizeHint() const { return QSize(100, 100); } QSize LightButton::minimumSizeHint() const { return QSize(10, 10); } void LightButton::setText(const QString &text) { if (this->text != text) { this->text = text; update(); } } void LightButton::setTextColor(const QColor &textColor) { if (this->textColor != textColor) { this->textColor = textColor; update(); } } void LightButton::setAlarmColor(const QColor &alarmColor) { if (this->alarmColor != alarmColor) { this->alarmColor = alarmColor; update(); } } void LightButton::setNormalColor(const QColor &normalColor) { if (this->normalColor != normalColor) { this->normalColor = normalColor; update(); } } void LightButton::setBorderOutColorStart(const QColor &borderOutColorStart) { if (this->borderOutColorStart != borderOutColorStart) { this->borderOutColorStart = borderOutColorStart; update(); } } void LightButton::setBorderOutColorEnd(const QColor &borderOutColorEnd) { if (this->borderOutColorEnd != borderOutColorEnd) { this->borderOutColorEnd = borderOutColorEnd; update(); } } void LightButton::setBorderInColorStart(const QColor &borderInColorStart) { if (this->borderInColorStart != borderInColorStart) { this->borderInColorStart = borderInColorStart; update(); } } void LightButton::setBorderInColorEnd(const QColor &borderInColorEnd) { if (this->borderInColorEnd != borderInColorEnd) { this->borderInColorEnd = borderInColorEnd; update(); } } void LightButton::setBgColor(const QColor &bgColor) { if (this->bgColor != bgColor) { this->bgColor = bgColor; update(); } } void LightButton::setCanMove(bool canMove) { if (this->canMove != canMove) { this->canMove = canMove; update(); } } void LightButton::setShowRect(bool showRect) { if (this->showRect != showRect) { this->showRect = showRect; update(); } } void LightButton::setShowOverlay(bool showOverlay) { if (this->showOverlay != showOverlay) { this->showOverlay = showOverlay; update(); } } void LightButton::setOverlayColor(const QColor &overlayColor) { if (this->overlayColor != overlayColor) { this->overlayColor = overlayColor; update(); } } void LightButton::setGreen() { textColor = QColor(255, 255, 255); setBgColor(QColor(0, 166, 0)); } void LightButton::setRed() { textColor = QColor(255, 255, 255); setBgColor(QColor(255, 0, 0)); } void LightButton::setYellow() { textColor = QColor(25, 50, 7); setBgColor(QColor(238, 238, 0)); } void LightButton::setBlack() { textColor = QColor(255, 255, 255); setBgColor(QColor(10, 10, 10)); } void LightButton::setGray() { textColor = QColor(255, 255, 255); setBgColor(QColor(129, 129, 129)); } void LightButton::setBlue() { textColor = QColor(255, 255, 255); setBgColor(QColor(0, 0, 166)); } void LightButton::setLightBlue() { textColor = QColor(255, 255, 255); setBgColor(QColor(100, 184, 255)); } void LightButton::setLightRed() { textColor = QColor(255, 255, 255); setBgColor(QColor(255, 107, 107)); } void LightButton::setLightGreen() { textColor = QColor(255, 255, 255); setBgColor(QColor(24, 189, 155)); } void LightButton::startAlarm() { if (!timerAlarm->isActive()) { timerAlarm->start(); } } void LightButton::stopAlarm() { if (timerAlarm->isActive()) { timerAlarm->stop(); } } void LightButton::alarm() { static bool isAlarm = false; if (isAlarm) { textColor = QColor(255, 255, 255); bgColor = normalColor; } else { textColor = QColor(255, 255, 255); bgColor = alarmColor; } this->update(); isAlarm = !isAlarm; }