QT之notifiation使用

#include "notifywnd.h" #include "notifymanager.h" #include <QBoxLayout> #include <QGraphicsDropShadowEffect> NotifyWnd::NotifyWnd (NotifyManager *manager, QWidget *parent) : ArrangedWnd(manager, parent) { background = new QFrame(this); background->setGeometry(3, 3, width()-6, height()-6); background->setObjectName("notify-background"); QHBoxLayout *mainLayout = new QHBoxLayout(background); QVBoxLayout *contentLayout = new QVBoxLayout(); iconLabel = new QLabel(background); iconLabel->setFixedSize(40, 40); iconLabel->setAlignment(Qt::AlignCenter); iconLabel->setWordWrap(true); titleLabel = new QLabel(background); titleLabel->setObjectName("notify-title"); bodyLabel = new QLabel(background); bodyLabel->setObjectName("notify-body"); bodyLabel->setAlignment(Qt::AlignLeft|Qt::AlignTop); bodyLabel->setWordWrap(true); contentLayout->addWidget(titleLabel); contentLayout->addWidget(bodyLabel); contentLayout->setStretch(1,1); mainLayout->addWidget(iconLabel); mainLayout->addLayout(contentLayout); mainLayout->setAlignment(iconLabel, Qt::AlignTop); closeBtn = new QPushButton("×", background); closeBtn->setObjectName("notify-close-btn"); closeBtn->setFixedSize(24, 24); closeBtn->move(background->width() - closeBtn->width(), 0); connect(closeBtn, &QPushButton::clicked, this, &QObject::deleteLater); setStyleSheet(m_manager->styleSheet()); // 边框阴影 QGraphicsDropShadowEffect *shadow = new QGraphicsDropShadowEffect(this); shadow->setOffset(0, 0); shadow->setBlurRadius(5); background->setGraphicsEffect(shadow); connect(this, &ArrangedWnd::visibleChanged, [this](bool visible){ if (visible) { int displayTime = m_data.value("displayTime", m_manager->displayTime()).toInt(); QTimer::singleShot(displayTime, this, [this](){ showArranged(0); }); } else deleteLater(); }); } QVariantMap NotifyWnd::data() const { return m_data; } // 需显示后调用 void NotifyWnd::setData(const QVariantMap &data) { m_data = data; QPixmap icon; QVariant iconv = data.value("icon"); if (iconv.type() == QVariant::Pixmap) icon = iconv.value<QPixmap>(); if (iconv.type() == QVariant::String) icon = QPixmap(iconv.toString()); else icon = QPixmap(m_manager->defaultIcon()); icon = icon.scaled(QSize(32, 32), Qt::KeepAspectRatio); iconLabel->setPixmap(icon); QString title = data.value("title").toString(); titleLabel->setText(title); // 计算可显示行数及长度 QString body = m_data.value("body").toString(); QSize s1 = bodyLabel->size(); QSize s2 = bodyLabel->fontMetrics().size(Qt::TextSingleLine, body); int linecount = s1.height()/s2.height(); int charcount = qFloor(1.0*body.size()*s1.width()/s2.width()) * linecount; QString bodyElid = charcount > body.size() ? body : (body.left(charcount-1)+"…"); bodyLabel->setText(bodyElid); if (data.contains("styleSheet")) setStyleSheet(data.value("styleSheet").toString()); else if (data.contains("theme")) setStyleSheet(m_manager->styleSheet(data.value("theme").toString())); } NotifyCountWnd::NotifyCountWnd(NotifyManager *manager, QWidget *parent) : ArrangedWnd(manager, parent) { setAttribute(Qt::WA_TransparentForMouseEvents, true); iconLabel = new QLabel(this); iconLabel->setFixedSize(40, 40); iconLabel->setAlignment(Qt::AlignCenter); countLabel = new QLabel(this); countLabel->setObjectName("notify-count"); countLabel->setAlignment(Qt::AlignLeft|Qt::AlignVCenter); QHBoxLayout *mainLayout = new QHBoxLayout(this); mainLayout->addWidget(iconLabel); mainLayout->addWidget(countLabel); // 文字阴影 QGraphicsDropShadowEffect *shadow = new QGraphicsDropShadowEffect(this); shadow->setOffset(2, 2); shadow->setBlurRadius(5); setGraphicsEffect(shadow); setStyleSheet("#notify-count {" "font: 20px Verdana;" "color: #dd424d;" "}"); QPixmap icon = QPixmap(m_manager->defaultIcon()); icon = icon.scaled(QSize(32, 32), Qt::KeepAspectRatio); iconLabel->setPixmap(icon); flickerAnim = new QPropertyAnimation(this, "windowOpacity", this); flickerAnim->setStartValue(1); flickerAnim->setKeyValueAt(0.25, 0.1); flickerAnim->setKeyValueAt(0.5, 1); flickerAnim->setEndValue(1); flickerAnim->setDuration(2000); flickerAnim->setLoopCount(-1); connect(this, &ArrangedWnd::visibleChanged, [this](bool visible){ if (visible) flickerAnim->start(); else flickerAnim->stop(); }); } void NotifyCountWnd::setCount(int count) { countLabel->setNum(count); }