qt自定义的messagebox

/** * Author: lwei * Since: 2016.8.26 * Version: 1.0.0 */ #include "messagebox.h" #include "iconhelper.h" #include <QLabel> #include <QVBoxLayout> #include <QGroupBox> #include <QGridLayout> #include <QDialogButtonBox> #include <QPushButton> #include <QMouseEvent> MessageBox::MessageBox(QWidget *parent, Icon icon, const QString &title, const QString &text, QMessageBox::StandardButtons standButtons, QMessageBox::StandardButton defaultButton) :QDialog(parent) ,m_lIconTitle(new QLabel(this)) ,m_lTitle(new QLabel(this)) ,m_lIconMain(new QLabel(this)) ,m_lText(new QLabel(this)) ,m_layout(new QVBoxLayout()) ,m_pButtonBox(new QDialogButtonBox(this)) ,m_mouserPressed(false) { setWindowFlags(Qt::FramelessWindowHint | Qt::Dialog); setFixedSize(QSize(606, 286)); m_layout->setContentsMargins(20, 20, 20, 20); QHBoxLayout *titleLayout = new QHBoxLayout(); titleLayout->setContentsMargins(8, 0, 0, 0); titleLayout->setSpacing(20); titleLayout->addWidget(m_lIconTitle); titleLayout->addWidget(m_lTitle); titleLayout->addStretch(1); m_lIconTitle->setFixedHeight(20); m_lTitle->setFixedHeight(20); m_layout->addLayout(titleLayout); QGroupBox *groupBox = new QGroupBox(this); groupBox->setFixedHeight(200); m_layout->addWidget(groupBox); QVBoxLayout *vBoxLayout = new QVBoxLayout(); groupBox->setLayout(vBoxLayout); vBoxLayout->setContentsMargins(20, 20, 20, 20); vBoxLayout->setSpacing(20); QHBoxLayout *hLayout = new QHBoxLayout(); m_lIconMain->setFixedSize(QSize(90, 90)); m_lText->setFixedHeight(90); hLayout->addWidget(m_lIconMain); hLayout->addWidget(m_lText); hLayout->addStretch(1); hLayout->setSpacing(10); vBoxLayout->addLayout(hLayout); QHBoxLayout *hLayoutButtons = new QHBoxLayout(); hLayoutButtons->addStretch(1); hLayoutButtons->addWidget(m_pButtonBox); vBoxLayout->addLayout(hLayoutButtons); m_pButtonBox->setFixedHeight(55); m_layout->addWidget(groupBox); setLayout(m_layout); m_pButtonBox->setStandardButtons(QDialogButtonBox::StandardButtons((int)standButtons)); setDefaultButton(defaultButton); QList<QAbstractButton *> buttons = m_pButtonBox->buttons(); for(int i = 0; i < buttons.size(); i++) { QDialogButtonBox::StandardButton button = m_pButtonBox->standardButton(buttons.at(i)); QPushButton *pushButton = m_pButtonBox->button(button); pushButton->setFixedSize(QSize(135, 55)); if(button == QDialogButtonBox::Ok || button == QDialogButtonBox::Yes) { pushButton->setText("确定"); } else { pushButton->setText("取消"); } pushButton->setStyleSheet("QPushButton{border:3px solid rgb(176,181,185);" "border-radius:5px;" "font-family:微软雅黑;font-size:18px;}"); } IconHelper::Instance()->SetIcon(m_lIconTitle, QChar(0xf05a), 20); m_lTitle->setText(title); m_lTitle->setStyleSheet("font-family:微软雅黑;font-size:20px;"); m_lText->setText(text); m_lText->setStyleSheet("font-family:微软雅黑;font-size:18px;"); if(icon == Messsage) { m_lIconMain->setStyleSheet("border-image:url(:/message)"); } else if(icon == Question) { m_lIconMain->setStyleSheet("border-image:url(:/question)"); } else if(icon == Warning) { m_lIconMain->setStyleSheet("border-image:url(:/warning)"); } else if(icon == Error) { m_lIconMain->setStyleSheet("border-image:url(:/error)"); } this->setStyleSheet("QDialog{border:1px solid black;background-color:rgb(212,217,221);}"); connect(m_pButtonBox, SIGNAL(clicked(QAbstractButton*)), this, SLOT(onButtonClicked(QAbstractButton*))); } void MessageBox::setDefaultButton(QPushButton *button) { if(!m_pButtonBox->buttons().contains(button)) { return ; } button->setDefault(true); button->setFocus(); } void MessageBox::setDefaultButton(QMessageBox::StandardButton defaultButton) { setDefaultButton(m_pButtonBox->button(QDialogButtonBox::StandardButton(defaultButton))); } void MessageBox::mousePressEvent(QMouseEvent *event) { if(event->button() == Qt::LeftButton) { m_mouserPressed = true; m_point = event->globalPos() - this->pos(); event->accept(); } } void MessageBox::mouseMoveEvent(QMouseEvent *event) { if(m_mouserPressed && (event->buttons() & Qt::LeftButton)) { this->move(event->globalPos() - m_point); event->accept(); } } void MessageBox::mouseReleaseEvent(QMouseEvent * /*event*/) { m_mouserPressed = false; } int MessageBox::execReturnCode(QAbstractButton *button) { return m_pButtonBox->standardButton(button); } void MessageBox::onButtonClicked(QAbstractButton *button) { done(execReturnCode(button)); }