C++ QDialog::connect方法代码示例

void VcsEventWidgetPrivate::diffToPrevious()
{
    KDevelop::VcsEvent ev = m_logModel->eventForIndex( m_contextIndex );
    KDevelop::VcsRevision prev = KDevelop::VcsRevision::createSpecialRevision(KDevelop::VcsRevision::Previous);
    KDevelop::VcsJob* job = m_iface->diff( m_url, prev, ev.revision() );

    VcsDiffWidget* widget = new VcsDiffWidget( job );
    widget->setRevisions( prev, ev.revision() );
    QDialog* dlg = new QDialog( q );

    widget->connect(widget, &VcsDiffWidget::destroyed, dlg, &QDialog::deleteLater);

    dlg->setWindowTitle( i18n("Difference To Previous") );

    QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok);
    auto mainWidget = new QWidget;
    QVBoxLayout *mainLayout = new QVBoxLayout;
    dlg->setLayout(mainLayout);
    mainLayout->addWidget(mainWidget);
    QPushButton *okButton = buttonBox->button(QDialogButtonBox::Ok);
    okButton->setDefault(true);
    okButton->setShortcut(Qt::CTRL | Qt::Key_Return);
    dlg->connect(buttonBox, &QDialogButtonBox::accepted, dlg, &QDialog::accept);
    dlg->connect(buttonBox, &QDialogButtonBox::rejected, dlg, &QDialog::reject);
    mainLayout->addWidget(widget);
    mainLayout->addWidget(buttonBox);

    dlg->show();
}

void Game_main::whoWin()//直接判断white_win,black_win弹出窗口
{
    if(white_win)
    {
        QDialog *Dblack = new QDialog();
        QVBoxLayout *vlayout = new QVBoxLayout;
        Dblack->setFixedSize(150,140);
        QLabel *label = new QLabel("白棋胜利！");
        QAbstractButton *bExit = new QPushButton("再来一局");

        bExit->setText("再来一局");

        vlayout->addWidget(label);
        vlayout->addWidget(bExit);
        Dblack->setLayout(vlayout);
        Dblack->show();
        Dblack->connect(bExit,SIGNAL(clicked()),Dblack,SLOT(close()));
        Dblack->connect(bExit,SIGNAL(clicked()),this,SLOT(start()));

        is_over = true;


    }
    if(black_win)
    {
        QDialog *Dblack = new QDialog();
        QVBoxLayout *vlayout = new QVBoxLayout;
        Dblack->setFixedSize(150,140);
        QLabel *label = new QLabel("黑棋胜利！");
        QAbstractButton *bExit = new QPushButton("再来一局");

        bExit->setText("再来一局");

        vlayout->addWidget(label);
        vlayout->addWidget(bExit);
        Dblack->setLayout(vlayout);
        Dblack->show();
        Dblack->connect(bExit,SIGNAL(clicked()),Dblack,SLOT(close()));
        Dblack->connect(bExit,SIGNAL(clicked()),this,SLOT(start()));

        is_over =true;
    }
}

/*
  *点击“关于”执行此函数
  *弹出对话框
  */
void Game_main::about()
{
    QDialog *Dblack = new QDialog();
    QVBoxLayout *vlayout = new QVBoxLayout;
    Dblack->setFixedSize(300,280);
    QLabel *label = new QLabel("Copy Right @ UESTC-CCSE wytk2008.net");
    QAbstractButton *bExit = new QPushButton("back");
    vlayout->addWidget(label);
    vlayout->addWidget(bExit);
    Dblack->setLayout(vlayout);
    Dblack->show();
    Dblack->connect(bExit,SIGNAL(clicked()),Dblack,SLOT(close()));
}

CrashHandler::Action CrashHandler::promptUserForAction(bool showCrashMessage) {
    QDialog crashDialog;
    QLabel* label;
    if (showCrashMessage) {
        crashDialog.setWindowTitle("Interface Crashed Last Run");
        label = new QLabel("If you are having trouble starting would you like to reset your settings?");
    } else {
        crashDialog.setWindowTitle("Reset Settings");
        label = new QLabel("Would you like to reset your settings?");
    }

    QVBoxLayout* layout = new QVBoxLayout;

    layout->addWidget(label);

    QRadioButton* option1 = new QRadioButton("Reset all my settings");
    QRadioButton* option2 = new QRadioButton("Reset my settings but keep essential info");
    QRadioButton* option3 = new QRadioButton("Continue with my current settings");
    option3->setChecked(true);
    layout->addWidget(option1);
    layout->addWidget(option2);
    layout->addWidget(option3);
    layout->addSpacing(12);
    layout->addStretch();

    QDialogButtonBox* buttons = new QDialogButtonBox(QDialogButtonBox::Ok);
    layout->addWidget(buttons);
    crashDialog.connect(buttons, SIGNAL(accepted()), SLOT(accept()));

    crashDialog.setLayout(layout);

    int result = crashDialog.exec();

    if (result == QDialog::Accepted) {
        if (option1->isChecked()) {
            return CrashHandler::DELETE_INTERFACE_INI;
        }
        if (option2->isChecked()) {
            return CrashHandler::RETAIN_IMPORTANT_INFO;
        }
    }

    // Dialog cancelled or "do nothing" option chosen
    return CrashHandler::DO_NOTHING;
}

//.........这里部分代码省略.........
                        if(queryFromParts.trimmed()==";")
                            skipQuery=true;

                        if(!skipQuery)
                        {
                            if (!query.exec(queryFromParts))
                            {
                                qCritical() << _T("%1 Ошибка создания новой базы данных\n%2\n%3").arg(posForLog, query.lastError().text(), query.lastQuery());
                                return 1;
                            }
                           // qDebug()<<queryFromParts;
                        }
                        queryFromParts.clear();
                    }

                }

                QDialog dlg;
                QFormLayout layout;
                dlg.setLayout(&layout);

                QLineEdit posID;
                layout.addRow(_T("Код ПОС-а"), &posID);

                QLineEdit generatorMin;
                layout.addRow(_T("Генератор мин"), &generatorMin);

                QLineEdit generatorMax;
                layout.addRow(_T("Генератор макс"), &generatorMax);

                QPushButton bt;
                bt.setText("OK");
                layout.addRow(0, &bt);
                dlg.connect(&bt, SIGNAL(clicked()), &dlg, SLOT(accept()));

                if(dlg.exec()==QDialog::Accepted)
                {
                    query.prepare(settings->value(_S("global/queries/set_pos_id")).toString());
                    query.bindValue(":val", posID.text().toInt());
                    if(!query.exec())
                    {
                        qCritical() << _T("%1 Ошибка создания новой базы данных\n%2\n%3").arg(posForLog, query.lastError().text(), query.lastQuery());
                        return 1;
                    }
                    query.prepare(settings->value(_S("global/queries/set_generator_min")).toString());
                    query.bindValue(":val", generatorMin.text().toInt());
                    if(!query.exec())
                    {
                        qCritical() << _T("%1 Ошибка создания новой базы данных\n%2\n%3").arg(posForLog, query.lastError().text(), query.lastQuery());
                        return 1;
                    }

                    query.prepare(settings->value(_S("global/queries/set_generator_min1_sqlite")).toString());
                    query.bindValue(":val", generatorMin.text().toInt());
                    if(!query.exec())
                    {
                        qCritical() << _T("%1 Ошибка создания новой базы данных\n%2\n%3").arg(posForLog, query.lastError().text(), query.lastQuery());
                        return 1;
                    }

                    query.prepare(settings->value(_S("global/queries/set_generator_min2_sqlite")).toString());
                    query.bindValue(":val", generatorMin.text().toInt());
                    if(!query.exec())
                    {
                        qCritical() << _T("%1 Ошибка создания новой базы данных\n%2\n%3").arg(posForLog, query.lastError().text(), query.lastQuery());
                        return 1;

void ProfileDataInfoDialog::about_variables() {

   QDialog *dialog = new QDialog(this);
   dialog->resize(QSize(700, 480));
   dialog->setWindowTitle(i18n("Usable Variables For Text Template"));
   QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok);
   QPushButton *okButton = buttonBox->button(QDialogButtonBox::Ok);
   okButton->setDefault(true);
   okButton->setShortcut(Qt::CTRL | Qt::Key_Return);
   dialog->connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
   dialog->connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

   QTextBrowser *tb = new QTextBrowser(dialog);
   tb->setHtml(i18n("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">"
   "<html>"
   "<head>"
     "<style type=\"text/css\">"
     "p, li { white-space: pre-wrap; }"
     "</style>"
   "</head>"
   "<body>"
     "Variables will be replaced by a special value and can even contain parameters.<br />"
     "For example the variable "
     "<div style=\"font-family:monospace; background: #b3c1d6; color: black\"><pre>"
     "$artist"
     "</pre></div>"
     "or the equivalent"
     "<div style=\"font-family:monospace; background: #b3c1d6; color: black\"><pre>"
     "${artist}"
     "</pre></div>"
     "will be replaced by the relevant artist of the cd. Variables may also have attribute, for example:"
     "<div style=\"font-family:monospace; background: #b3c1d6; color: black\"><pre>"
     "${today format=\"yyyy-MM-dd\"}"
     "</pre></div>"
     "This would print the current date. Setting the format will control how this is done. The example (above)"
     "would result int the date being printed as 2010-10-07 (if this was the current date). See below for more details.<br /><br />"
     "You can make use of the following variables:<br />"
     "<table border=1>"
     "<thead>"
     "<tr>"
     "<th>Variable</th><th>Parameter</th><th>Description</th><th>Example</th>"
     "</tr>"
     "</thead>"
     "<tbody>"
     "<tr>"
     "<td>$artist</td><td></td><td>Prints the relevant artist of the extracted cd.</td><td>${artist }</td>"
     "</tr>"
     "<tr>"
     "<td>$title</td><td></td><td>Prints the relevant title of the extracted cd.</td><td></td>"
     "</tr>"
     "<tr>"
     "<td>$date</td><td></td><td>Prints the relevant date (usually release year) of the extracted cd.</td><td></td>"
     "</tr>"
     "<tr>"
     "<td>$genre;</td><td></td><td>Prints the relevant genre of the extracted cd.</td><td></td>"
     "</tr>"
     "<tr>"
     "<td>$size</td><td>iec,precision</td><td>Prints the overall size of all extracted (compressed) music files (incl. the cover). The attribute iec can be one of the following: b, k, m, g. b means byte, k KiB, m MiB and g GiB. The attribute precision gives the number of decimal places. Default attributes are iec=\"m\" and precision=\"2\"</td><td>${size iec=\"k\" precision=\"2\"}</td>"
     "</tr>"
     "<tr>"
     "<td>$length</td><td></td><td>Prints the relevant overall length of all extracted tracks. The format is min:sec.</td><td></td>"
     "</tr>"
     "<tr>"
     "<td>$nooftracks</td><td></td><td>Prints the total number of extracted tracks.</td><td></td>"
     "</tr>"
     "<tr>"
     "<td>$discid</td><td>base</td><td>Prints the discid of the current cd. The attribute base is the base of the number. The default is 16 (hexadecimal).</td><td>${discid base=\"16\"}</td>"
     "</tr>"
     "<tr>"
     "<td>$today</td><td>format</td><td>Prints the current date. The attribute format specifies the output (*).</td><td>${today format=\"yyyy-MM-dddd\"}</td>"
     "</tr>"
     "<tr>"
     "<td>$now</td><td>format</td><td>Prints the current date and/or time. The attribute format specifies the output (*).</td><td>${now format=\"yyyy-MM-dddd hh:mm:ss\"}</td>"
     "</tr>"
     "<tr>"
     "<td>$encoder</td><td></td><td>Prints encoder name and version.</td>"
     "</tr>"
     "<tr>"
     "<td>$audex</td><td></td><td>Prints Audex name and version.</td>"
     "</tr>"
     "<tr>"
     "<td>$br</td><td></td><td>Prints a linebreak.</td><td></td>"
     "</tr>"
     "</tbody>"
     "</table>"
     "<br /><br />"
     "(* date/time format expressions)"
     "<table cellpadding=\"2\" cellspacing=\"1\" border=\"1\">"
     "<thead><tr valign=\"top\"><th>Expression</th><th>Output</th></tr></thead>"
     "<tr valign=\"top\"><td>d</td><td>The day as a number without a leading zero (1 to 31).</td></tr>"
     "<tr valign=\"top\"><td>dd</td><td>The day as a number with a leading zero (01 to 31).</td></tr>"
     "<tr valign=\"top\"><td>ddd</td><td>The abbreviated localized day name (e.g&#x2e; 'Mon' to 'Sun').</td></tr>"
     "<tr valign=\"top\"><td>dddd</td><td>The long localized day name (e.g&#x2e; 'Monday' to 'Sunday').</td></tr>"
     "<tr valign=\"top\"><td>M</td><td>The month as a number without a leading zero (1 to 12).</td></tr>"
     "<tr valign=\"top\"><td>MM</td><td>The month as a number with a leading zero (01 to 12).</td></tr>"
     "<tr valign=\"top\"><td>MMM</td><td>The abbreviated localized month name (e.g&#x2e; 'Jan' to 'Dec').</td></tr>"
     "<tr valign=\"top\"><td>MMMM</td><td>The long localized month name (e.g&#x2e; 'January' to 'December').</td></tr>"
     "<tr valign=\"top\"><td>yy</td><td>The year as two digit number (00 to 99).</td></tr>"
     "<tr valign=\"top\"><td>yyyy</td><td>The year as four digit number.</td></tr>"
     "</table>"
//.........这里部分代码省略.........