Qt标准对话框实现

Qt标准对话框实现

#include "mywidget.h"#include "ui_mywidget.h"#include <QDebug>#include <QColorDialog>#include <QTextCodec>#include "QFileDialog"#include <QFontDialog>#include <QInputDialog>#include <QMessageBox>#include <QProgressDialog>#include <QErrorMessage>#include <QWizard>MyWidget::MyWidget(QWidget *parent) :    QWidget(parent),    ui(new Ui::MyWidget){    ui->setupUi(this);}MyWidget::~MyWidget(){    delete ui;}void MyWidget::on_pushButton_clicked(){    QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));    QColor color = QColorDialog::getColor(Qt::red, this, tr("颜色对话框")/*, QColorDialog::ShowAlphaChannel*/);    qDebug() << "color: " << color;}void MyWidget::on_pushButton_6_clicked(){    QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));    QStringList fileNames = QFileDialog::getOpenFileNames(this, tr("文件对话框"), "F:", tr("图片文件(* png * jpg);;文本文件(* txt)"));    qDebug() << "filenames:" << fileNames;}void MyWidget::on_pushButton_2_clicked(){    QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));    bool ok;    QFont font = QFontDialog::getFont(&ok, this);    if (ok) ui->pushButton_2->setFont(font);    else qDebug() << tr("没有选择字体！");}void MyWidget::on_pushButton_7_clicked(){    QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));    bool ok;    QString string = QInputDialog::getText(this, tr("输入字符串对话框"), tr("请输入用户名: "),QLineEdit::Normal,tr("admin"), &ok);    if (ok) qDebug() << "string:" << string;    int value1 = QInputDialog::getInt(this, tr("输入整数对话框"), tr("请输入－１０００到１０００之间的数值"), 100, -1000, 1000, 10, &ok);    if (ok) qDebug() << "value1:" << value1;    double value2 = QInputDialog::getDouble(this, tr("输入浮点数对话框"), tr("请输入-1000到1000之间的数值"), 0.00, -1000, 1000, 2, &ok);    if (ok) qDebug() << "value2:" << value2;    QStringList items;    items << tr("条目１") << tr("条目２");    QString item = QInputDialog::getItem(this, tr("输入条目对话框"), tr("请输入一个条目"), items, 0, true, &ok);    if(ok) qDebug() << "item:" << item;}void MyWidget::on_pushButton_3_clicked(){    QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));    int ret1 = QMessageBox::question(this, tr("问题对话框"), tr("你了解Ｑt吗？"), QMessageBox::Yes, QMessageBox::No);    if (ret1 == QMessageBox::Yes) qDebug() << tr("问题!");    int ret2 = QMessageBox::information(this, tr("提示对话框"), tr("这是Ｑｔ书籍!"), QMessageBox::Ok);    if (ret2 == QMessageBox::Ok) qDebug() << tr("提示！");    //警告对话框    int ret3 = QMessageBox::warning(this, tr("警告对话框"),                                             tr("不能提前结束！"), QMessageBox::Abort);    if (ret3 == QMessageBox::Abort) qDebug() << tr("警告!");    //错误对话框    int ret4 = QMessageBox::critical(this, tr("严重错误对话框"),                                     tr("发现一个严重错误！现在要关闭所有文件！"), QMessageBox::YesAll);    if (ret4 == QMessageBox::YesAll) qDebug() << tr("错误！");    //关于对话框    QMessageBox::about(this, tr("关于对话框"), tr("yafeilinux.com致力于Ｑｔ及Ｑｔ　Ｃｒｅａｔｏｒ的普及工作！"));}void MyWidget::on_pushButton_8_clicked(){    QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));    QProgressDialog dialog(tr("文件复制进度"), tr("取消"), 0, 50000, this);    dialog.setWindowTitle(tr("进度对话框"));    dialog.setWindowModality(Qt::WindowModal);    dialog.show();    for (int i = 0; i < 50000; i++){        dialog.setValue(i);        QApplication::processEvents();        if (dialog.wasCanceled()) break;    }    dialog.setValue(50000);    qDebug() << tr("复制结束！");}void MyWidget::on_pushButton_4_clicked(){    QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));    QErrorMessage *dialog = new QErrorMessage(this);    dialog->setWindowTitle(tr("错误信息对话框"));    dialog->showMessage(tr("这里是出错信息！"));}QWizardPage * MyWidget::createpage1(){    QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));    QWizardPage * page = new QWizardPage;    page->setTitle(tr("介绍"));    return page;}QWizardPage * MyWidget::createpage2(){    QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));    QWizardPage * page = new QWizardPage;    page->setTitle(tr("用户选择信息"));    return page;}QWizardPage * MyWidget::createpage3(){    QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));    QWizardPage * page = new QWizardPage;    page->setTitle(tr("结束"));    return page;}void MyWidget::on_pushButton_5_clicked(){    QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));    QWizard wizard(this);    wizard.setWindowTitle(tr("向导对话框"));    wizard.addPage(createpage1());    wizard.addPage(createpage2());    wizard.addPage(createpage3());    wizard.exec();}

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