#include "progressbar.h"
#include <QTest>
ProgressBar::ProgressBar(QWidget *parent, Qt::WindowFlags f)
:QDialog(parent, f)
{
QFont font("ZYSong18030", 12);
setFont(font);
setWindowTitle(tr("ProgressBar"));
QGridLayout *layout = new QGridLayout(this);
numLabel = new QLabel(tr("File Num:"));
numLineEdit = new QLineEdit;
numLineEdit->setText(tr("10"));
typeLabel = new QLabel(tr("Progress Type:"));
typeComboBox = new QComboBox;
typeComboBox->addItem(tr("ProgressBar"));
typeComboBox->addItem(tr("ProgressDialog"));
progressBar = new QProgressBar;
startPushButton = new QPushButton(tr("Start"));
layout->addWidget(numLabel, 0, 0);
layout->addWidget(numLineEdit, 0, 1);
layout->addWidget(typeLabel, 1, 0);
layout->addWidget(typeComboBox, 1, 1);
layout->addWidget(progressBar, 2, 0, 1, 2);
layout->addWidget(startPushButton, 3, 1);
layout->setMargin(15);
layout->setSpacing(10);
connect(startPushButton, SIGNAL(clicked()), this, SLOT(slotStart()));
}
ProgressBar::~ProgressBar()
{
}
void ProgressBar::slotStart()
{
int num = numLineEdit->text().toInt();
if (typeComboBox->currentIndex() == 0) // progressbar
{
progressBar->setRange(0, num);
for (int i = 1; i < num + 1; i++)
{
progressBar->setValue(i);
QTest::qWait(1000);
}
}
else if (typeComboBox->currentIndex() == 1) // progressDialog
{
QProgressDialog *progressDialog = new QProgressDialog(this);
QFont font("ZYSong18030", 12);
progressDialog->setFont(font);
progressDialog->setWindowModality(Qt::WindowModal);
progressDialog->setMinimumDuration(5);
progressDialog->setWindowTitle(tr("Please wait"));
progressDialog->setLabelText(tr("Copying..."));
progressDialog->setCancelButtonText(tr("Cancel"));
progressDialog->setRange(0, num);
for (int i = 0; i < num+1; i++)
{
progressDialog->setValue(i);
qApp->processEvents();
QTest::qWait(1000);
if (progressDialog->wasCanceled())
return;
}
}
}
执行结果：
