QT5（6）对话框-蒲公英云

QT5（6）对话框

这里写图片描述

一、文件对话框QFileDialog

void Dialog::showFile()
{
    QString s = QFileDialog::getOpenFileName(this,"open file dialog","/","C++ files(*.cpp)::C files(*.c)::Head files(*.h)");
    fileLineEdit->setText(s);
}

二、颜色对话框QColorDialog

void Dialog::showColor()
{
    QColor c = QColorDialog::getColor(Qt::blue);
    if(c.isValid())
    {
        colorFrame->setPalette(QPalette(c));
    }
}

三、字体对话框QFontDialog

void Dialog::showFont()
{
    bool ok;
    QFont f = QFontDialog::getFont(&ok);
    if (ok)
    {
        fontLineEdit->setFont(f);
    }
}

四、输入对话框QInputDialog

//标准字符串输入
void InputDlg::ChangeName()
{
    bool ok;
    QString text=QInputDialog::getText(this,tr("标准字符串输入对话框"),tr("请输入姓名："), QLineEdit::Normal,nameLabel2->text(),&ok);
    if (ok && !text.isEmpty())
        nameLabel2->setText(text);
}
//标准int类型输入
void InputDlg::ChangeAge()
{
    bool ok;
    int age = QInputDialog::getInt(this, tr("标准int类型输入对话框"),
     tr("请输入年龄："), ageLabel2->text().toInt(&ok), 0, 100, 1, &ok);
    if (ok)
        ageLabel2->setText(QString(tr("%1")).arg(age));
}
//标准double输入
void InputDlg::ChangeScore()
{
    bool ok;
    double score = QInputDialog::getDouble(this, tr("标准double类型输入对话框"),
     tr("请输入成绩："),scoreLabel2->text().toDouble(&ok), 0, 100, 1, &ok);
    if(ok)
        scoreLabel2->setText(QString(tr("%1")).arg(score));
}

六、消息对话框MsgBoxDlg

void Dialog::showMsgDlg()
{
    msgDlg =new MsgBoxDlg();
    msgDlg->show();
}
//Question消息对话框
void MsgBoxDlg::showQuestionMsg()
{
    label->setText(tr("Question Message Box"));
    switch(QMessageBox::question(this,tr("Question消息框"),
          tr("您现在已经修改完成，是否要结束程序？"),
          QMessageBox::Ok|QMessageBox::Cancel,QMessageBox::Ok))
    {
    case QMessageBox::Ok:
        label->setText("Question button/Ok");
        break;
    case QMessageBox::Cancel:
        label->setText("Question button/Cancel");
        break;
    default:
        break;
    }
    return;
}
//Information消息对话框
void MsgBoxDlg::showInformationMsg()
{
    label->setText(tr("Information Message Box"));
    QMessageBox::information(this,tr("Information消息框"),
                             tr("这是Information消息框测试，欢迎您！"));
    return;
}
//Warning消息对话框
void MsgBoxDlg::showWarningMsg()
{
    label->setText(tr("Warning Message Box"));
    switch(QMessageBox::warning(this,tr("Warning消息框"),
         tr("您修改的内容还未保存，是否要保存对文档的修改？"),
         QMessageBox::Save|QMessageBox::Discard|QMessageBox::Cancel,
         QMessageBox::Save))
    {
    case QMessageBox::Save:
        label->setText(tr("Warning button/Save"));
        break;
    case QMessageBox::Discard:
        label->setText(tr("Warning button/Discard"));
        break;
    case QMessageBox::Cancel:
        label->setText(tr("Warning button/Cancel"));
        break;
    default:
        break;
    }
    return;
}
//Critical消息对话框
void MsgBoxDlg::showCriticalMsg()
{
    label->setText(tr("Critical Message Box"));
    QMessageBox::critical(this,tr("Critical消息框"),tr("这是一个Critical消息框测试！"));
    return;
}
//About消息对话框
void MsgBoxDlg::showAboutMsg()
{
    label->setText(tr("About Message Box"));
    QMessageBox::about(this,tr("About消息框"),tr("这是一个About消息框测试！"));
    return;
}
//AboutQt消息对话框
void MsgBoxDlg::showAboutQtMsg()
{
    label->setText(tr("About Qt Message Box"));
    QMessageBox::aboutQt(this,tr("About Qt消息框"));
    return;
}