QT 提示之右下角冒泡
阿新 • • 發佈:2019-01-22
#include "QToolTips.h" #include <QtWidgets/QApplication> #include <QDesktopWidget> QToolTips::QToolTips(QWidget *parent /*= 0*/) : QDialog(parent) { setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint); ui.setupUi(this); m_nDesktopHeight = QApplication::desktop()->height(); m_dTransparent = 1.0; m_pShowTimer = new QTimer(this); m_pStayTimer = new QTimer(this); m_pCloseTimer = new QTimer(this); connect(m_pShowTimer, SIGNAL(timeout()), this, SLOT(onMove())); connect(m_pStayTimer, SIGNAL(timeout()), this, SLOT(onStay())); connect(m_pCloseTimer, SIGNAL(timeout()), this, SLOT(onClose())); } QToolTips::~QToolTips() { } void QToolTips::showMessage(const char* str) { ui.m_label->setStyleSheet("background-color:rgb(255,210,200);font:60px;color:blue"); ui.m_label->setText(str); QRect rect = QApplication::desktop()->availableGeometry(); m_point.setX(rect.width() - width()); m_point.setY(rect.height() - height()); move(m_point.x(), m_point.y()); m_pShowTimer->start(5); } void QToolTips::onMove() { m_nDesktopHeight--; move(m_point.x(), m_nDesktopHeight); if (m_nDesktopHeight <= m_point.y()) { m_pShowTimer->stop(); m_pStayTimer->start(5000); } } void QToolTips::onStay() { m_pStayTimer->stop(); m_pCloseTimer->start(100); } void QToolTips::onClose() { m_dTransparent -= 0.1; if (m_dTransparent <= 0.0) { m_pCloseTimer->stop(); close(); } else { setWindowOpacity(m_dTransparent); } }