110 lines
4.1 KiB
C++
110 lines
4.1 KiB
C++
#include "mainwindow2.h"
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#include <QDebug>
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#include <QFileDialog>
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MainWindow2::MainWindow2(QWidget *parent) : QMainWindow(parent)
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{
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setWindowTitle("对话框学习中...");
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setWindowIcon(QIcon(":/icon/open"));
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resize(1200,960);
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mEdit = new QTextEdit(this);
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mEdit->close();
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setCentralWidget(mEdit);
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setCentralWidget(new QTextEdit(this));
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QStatusBar *status_bar = new QStatusBar(this);
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btn1 = new QPushButton("按钮1",status_bar);
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btn2 = new QPushButton("按钮2",status_bar);
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btn3 = new QPushButton("按钮3",status_bar);
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btn4 = new QPushButton("定制MessageBox",status_bar);
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btn5 = new QPushButton("button5",status_bar);
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status_bar->addWidget(btn1);
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status_bar->addWidget(btn2);
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status_bar->addWidget(btn3);
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status_bar->addWidget(btn4);
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status_bar->addWidget(btn5);
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setStatusBar(status_bar);
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connect(btn1,&QPushButton::clicked,[&](){
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QDialog dialog;
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dialog.setWindowTitle(tr("自定义对话框 %1").arg(1));
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// dialog.exec(); // 应用级别的模态对话框
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dialog.show();
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});
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// connect(btn2,&QPushButton::clicked,[&](){
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// QDialog *dialog = new QDialog(this);
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// dialog->setWindowTitle(tr("自定义对话框 %1").arg(2));
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// dialog->setAttribute(Qt::WA_DeleteOnClose); // 当关闭对话时，自动释放堆空间
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// dialog->open(); // 窗口级别的模态对话框
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// });
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// connect(btn3,&QPushButton::clicked,[&](){
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// QDialog *dialog = new QDialog(this);
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// dialog->setWindowTitle(tr("自定义对话框 %1").arg(3));
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// dialog->setAttribute(Qt::WA_DeleteOnClose); // 当关闭对话时，自动释放堆空间
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// dialog->show(); // 窗口级别的非模态对话框
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// });
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connect(btn2,&QPushButton::clicked,[&](){
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QMessageBox::warning(this,"警告","你的操作可能会失败...");
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});
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connect(btn3,&QPushButton::clicked,[&](){
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// QMessageBox::StandardButton ret;
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// ret = QMessageBox::question(this,"询问","选什么内容？");
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// if(ret == QMessageBox::Yes)
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// qDebug()<<"选了行";
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// else
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// qDebug()<<"没选行";
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// QMessageBox::critical(this,"警告","太警告了");
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QMessageBox::information(this,"info","no info",QMessageBox::NoButton,QMessageBox::Apply);
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});
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connect(btn4,&QPushButton::clicked,[&](){
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QMessageBox *msgBox = new QMessageBox(this);
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msgBox->setAttribute(Qt::WA_DeleteOnClose);
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// msgBox->setIcon(QMessageBox::Critical);
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// msgBox->setWindowTitle("自定义错误提示");
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msgBox->setText("Error");
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msgBox->setInformativeText("An error occurred while processing the request.");
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msgBox->setStandardButtons(QMessageBox::Save|QMessageBox::Discard|QMessageBox::Cancel);
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msgBox->setDefaultButton(QMessageBox::Cancel);
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int ret = msgBox->exec(); // 会返回一个 int
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switch (ret) {
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case QMessageBox::Ok:
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qDebug()<<"Ok";
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break;
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case QMessageBox::Yes:
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qDebug()<<"Yes";
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break;
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case QMessageBox::No:
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qDebug()<<"No";
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break;
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}
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});
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connect(btn5,&QPushButton::clicked,[&](){
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// if(QMessageBox::Yes == QMessageBox::question(
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// this,
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// tr("Question"),
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// tr("Are you OK?"),
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// QMessageBox::Yes|QMessageBox::No,
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// QMessageBox::Yes))
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// {
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// QMessageBox::information(this,tr("Hmmm..."),
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// tr("I'm glad to hear that!"));
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// }
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// else{
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// QMessageBox::information(this,
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// tr("Hmmm..."),
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// tr("I'm sorry!"));
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// }
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QMessageBox msgBox;
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});
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}
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