QLCDNumber 显示样式（例如：电子手表有背景绘图）

#include "widget.h" #include "ui_widget.h" const QString INITLCDNUMBER = "88:88:88:88"; static QString g_numStr = "00:00:00:0"; Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) { ui->setupUi(this); m_hour = 0; m_minute = 0; m_seconds = 0; upWid = new QLCDNumber(this); downWid = new QLCDNumber(this); //downWid->setStyleSheet("background-color: yellow"); downWid->setAttribute(Qt::WA_TranslucentBackground, true); downWid->setMode(QLCDNumber::Dec); downWid->setFrameStyle(QFrame::Panel | QFrame::Raised); downWid->setDigitCount(11); downWid->setSegmentStyle(QLCDNumber::Filled); downWid->setBackgroundRole(QPalette::Background); QPalette lcdp = downWid->palette(); lcdp.setColor(QPalette::Foreground,QColor(qRgb(51,255,51))); downWid->setPalette(lcdp); downWid->display("00:00:00:00"); //upWid->setStyleSheet("background-color: red"); upWid->setAttribute(Qt::WA_TranslucentBackground, true); upWid->setMode(QLCDNumber::Dec); upWid->setFrameStyle(QFrame::Panel | QFrame::Raised); upWid->setBackgroundRole(QPalette::Background); upWid->setDigitCount(11); upWid->setSegmentStyle(QLCDNumber::Filled); QPalette lcdp1 = upWid->palette(); lcdp1.setColor(QPalette::Foreground,QColor(qRgb(51,102,51))); upWid->setPalette(lcdp1);//QColor(30,96,53) upWid->display(INITLCDNUMBER); upWid->show(); downWid->show(); upWid->setGeometry(0,0,this->width(),this->height()); downWid->setGeometry(0,0,this->width(),this->height()); time =new QTimer; time->setTimerType(Qt::TimerType::PreciseTimer); connect(time,SIGNAL(timeout()),this,SLOT(ContinueLCDTime())); time->start(1000); update(); } Widget::~Widget() { delete ui; } void Widget::updateLayout() { upWid->setGeometry(0,0,this->width(),this->height()); downWid->setGeometry(0,0,this->width(),this->height()); } void Widget::paintEvent(QPaintEvent *event) { updateLayout(); } void Widget::slots_timeOut() { static int id = 0; if(id > 100) id = 0; else { id++; downWid->display(id); } } void Widget::ContinueLCDTime() { m_seconds++; if (m_seconds == 60) { m_minute++; m_seconds = 0; } if (m_minute == 60) { m_hour++; m_minute = 0; } if (m_hour == 24) { m_hour = 0; } QString seconds; QString minutes; QString hours; if (m_seconds < 10) seconds = "0" + QString::number(m_seconds); else seconds = QString::number(m_seconds); if (m_minute < 10) minutes = "0" + QString::number(m_minute); else minutes = QString::number(m_minute); if (m_hour < 10) hours = "0" + QString::number(m_hour); else hours = QString::number(m_hour); QString lcdText; lcdText = QString("%1:%2:%3:%4").arg("00").arg(hours).arg(minutes).arg(seconds); downWid->display(lcdText); }