C++ QScrollArea::resize方法代码示例

void tst_QAbstractScrollArea::setScrollBars()
{
    QScrollArea scrollArea;
    scrollArea.resize(300, 300);
    scrollArea.show();

    QPointer<QScrollBar> vbar = scrollArea.verticalScrollBar();
    QPointer<QScrollBar> hbar = scrollArea.horizontalScrollBar();

    // Now set properties on the scroll bars
    scrollArea.verticalScrollBar()->setInvertedAppearance(true);
    scrollArea.verticalScrollBar()->setInvertedControls(true);
    scrollArea.verticalScrollBar()->setTracking(true);
    scrollArea.verticalScrollBar()->setRange(-100, 100);
    scrollArea.verticalScrollBar()->setPageStep(42);
    scrollArea.verticalScrollBar()->setSingleStep(3);
    scrollArea.verticalScrollBar()->setValue(43);
    scrollArea.horizontalScrollBar()->setInvertedAppearance(true);
    scrollArea.horizontalScrollBar()->setInvertedControls(true);
    scrollArea.horizontalScrollBar()->setTracking(true);
    scrollArea.horizontalScrollBar()->setRange(-100, 100);
    scrollArea.horizontalScrollBar()->setPageStep(42);
    scrollArea.horizontalScrollBar()->setSingleStep(3);
    scrollArea.horizontalScrollBar()->setValue(43);

    qApp->processEvents();

    // Then replace the scroll bars
    scrollArea.setVerticalScrollBar(new QScrollBar);
    scrollArea.setHorizontalScrollBar(new QScrollBar);

    // Check that the old ones were deleted
    QVERIFY(!vbar);
    QVERIFY(!hbar);

    qApp->processEvents();

    // Check that all properties have been populated
    QVERIFY(scrollArea.verticalScrollBar()->invertedAppearance());
    QVERIFY(scrollArea.verticalScrollBar()->invertedControls());
    QVERIFY(scrollArea.verticalScrollBar()->hasTracking());
    QVERIFY(scrollArea.verticalScrollBar()->isVisible());
    QCOMPARE(scrollArea.verticalScrollBar()->minimum(), -100);
    QCOMPARE(scrollArea.verticalScrollBar()->maximum(), 100);
    QCOMPARE(scrollArea.verticalScrollBar()->pageStep(), 42);
    QCOMPARE(scrollArea.verticalScrollBar()->singleStep(), 3);
    QCOMPARE(scrollArea.verticalScrollBar()->value(), 43);
    QVERIFY(scrollArea.horizontalScrollBar()->invertedAppearance());
    QVERIFY(scrollArea.horizontalScrollBar()->invertedControls());
    QVERIFY(scrollArea.horizontalScrollBar()->hasTracking());
    QVERIFY(scrollArea.horizontalScrollBar()->isVisible());
    QCOMPARE(scrollArea.horizontalScrollBar()->minimum(), -100);
    QCOMPARE(scrollArea.horizontalScrollBar()->maximum(), 100);
    QCOMPARE(scrollArea.horizontalScrollBar()->pageStep(), 42);
    QCOMPARE(scrollArea.horizontalScrollBar()->singleStep(), 3);
    QCOMPARE(scrollArea.horizontalScrollBar()->value(), 43);
}

void tst_QScrollArea::checkHFW_Task_197736()
{
    QScrollArea scrollArea;
    HFWWidget *w = new HFWWidget;
    scrollArea.resize(200,100);
    scrollArea.show();
    scrollArea.setWidgetResizable(true);
    scrollArea.setWidget(w);

    // at 200x100px, we expect HFW to be 200px tall, not 100px
    QVERIFY(w->height() >= 200);

    // at 200x300px, we expect HFW to be 300px tall (the heightForWidth is a min, not prescribed)
    scrollArea.resize(QSize(200, 300));
    QVERIFY(w->height() >= 250); // 50px for a fudge factor (size of frame margins/scrollbars etc)

    // make sure this only happens with widget resizable
    scrollArea.setWidgetResizable(false);
    scrollArea.resize(QSize(100,100));
    w->resize(QSize(200,200));
    QVERIFY(w->width() == 200);
    QVERIFY(w->height() == 200);
}

int main(int argc, char **argv)
{
    QApplication app(argc, argv);

    QScrollArea scrollView;

    QWidget * staticWidget = new StaticWidget();
    staticWidget->resize(400, 200);
    scrollView.setWidget(staticWidget);

    scrollView.setAttribute(Qt::WA_StaticContents);

    scrollView.resize(600, 400);
    scrollView.show();

    return app.exec();
}

ReportGenerationDialog::ReportGenerationDialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::ReportGenerationDialog),patientTracker(NULL)
{
    ui->setupUi(this);
    ui->presetDiagnosisComboBox->setEnabled(true);
    ui->diagnosisEditor->setEnabled(false);

    ui->screenshotListView->setModel(&screenshotModel);
    ui->screenshotListView->setIconSize(QSize(225, 225));

    ui->selectedScreenshotListView->setModel(&selectedScreenshotModel);
    ui->selectedScreenshotListView->setIconSize(QSize(175, 175));

    QScrollArea *area = new QScrollArea(this);
    area->move(10, 90);
    area->resize(781, 600);
    area->setWidget(ui->centreWidget);

    ui->tcdInfoTableView->setModel(&selectedValuesModel);
    QStringList headerList;
    headerList << "截图" << "血管名" << "Mean" << "Peak" << "EDV" << "PI" << "RI" << "S/D" << "HR";
    selectedValuesModel.setHorizontalHeaderLabels(headerList);


    QFile file("./PresetDiagnoses.txt");
    QTextStream in;
    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
    {
        QMessageBox::warning(NULL, "预设诊断读取", "预设诊断读取失败！");
    }
    else
    {
        in.setDevice(&file);
        QString line;
        line = in.readLine();
        while (!line.isNull()) {
            ui->presetDiagnosisComboBox->addItem(line);
            diagnosesModel.appendRow(new QStandardItem(line));
            line = in.readLine();
        }
    }
}

void PrettyImage::ShowFullsize() {
  // Work out how large to make the window, based on the size of the screen
  QRect desktop_rect(QApplication::desktop()->availableGeometry(this));
  QSize window_size(qMin(desktop_rect.width() - 20, image_.width()),
                    qMin(desktop_rect.height() - 20, image_.height()));

  // Create the window
  QScrollArea* window = new QScrollArea;
  window->setAttribute(Qt::WA_DeleteOnClose, true);
  window->setWindowTitle(tr("Clementine image viewer"));
  window->resize(window_size);

  // Create the label that displays the image
  QLabel* label = new QLabel(window);
  label->setPixmap(QPixmap::fromImage(image_));

  // Show the label in the window
  window->setWidget(label);
  window->setFrameShape(QFrame::NoFrame);
  window->show();
}

void tst_QAbstractScrollArea::task214488_layoutDirection()
{
    QScrollArea scrollArea;
    scrollArea.resize(200, 200);
    QWidget widget;
    widget.resize(600, 600);
    scrollArea.setWidget(&widget);
    scrollArea.show();
    QScrollBar *hbar = scrollArea.horizontalScrollBar();
    hbar->setValue((hbar->minimum() + hbar->maximum()) / 2);

    QFETCH(Qt::LayoutDirection, dir);
    QFETCH(Qt::Key, key);
    QFETCH(bool, lessThan);

    scrollArea.setLayoutDirection(dir);

    int refValue = hbar->value();
    qApp->sendEvent(&scrollArea, new QKeyEvent(QEvent::KeyPress, key, Qt::NoModifier));
    QVERIFY(lessThan ? (hbar->value() < refValue) : (hbar->value() > refValue));
}

//.........这里部分代码省略.........
	gen_layout->addSpacing( 10 );
	gen_layout->addWidget( misc_tw );
	gen_layout->addSpacing( 10 );
	gen_layout->addWidget( lang_tw );
	gen_layout->addStretch();



	QWidget * paths = new QWidget( ws );
	int pathsHeight = 370;
#ifdef LMMS_HAVE_STK
	pathsHeight += 55;
#endif
#ifdef LMMS_HAVE_FLUIDSYNTH
	pathsHeight += 55;
#endif
	paths->setFixedSize( 360, pathsHeight );
	QVBoxLayout * dir_layout = new QVBoxLayout( paths );
	dir_layout->setSpacing( 0 );
	dir_layout->setMargin( 0 );
	labelWidget( paths, tr( "Paths" ) );
	QLabel * title = new QLabel( tr( "Directories" ), paths );
	QFont f = title->font();
	f.setBold( true );
	title->setFont( pointSize<12>( f ) );


	QScrollArea *pathScroll = new QScrollArea( paths );

	QWidget *pathSelectors = new QWidget( ws );
	QVBoxLayout *pathSelectorLayout = new QVBoxLayout;
	pathScroll->setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOn );
	pathScroll->setHorizontalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
	pathScroll->resize( 362, pathsHeight - 50  );
	pathScroll->move( 0, 30 );
	pathSelectors->resize( 360, pathsHeight - 50 );

	const int txtLength = 285;
	const int btnStart = 305;


	// working-dir
	TabWidget * lmms_wd_tw = new TabWidget( tr(
					"LMMS working directory" ).toUpper(),
								pathSelectors );
	lmms_wd_tw->setFixedHeight( 48 );

	m_wdLineEdit = new QLineEdit( m_workingDir, lmms_wd_tw );
	m_wdLineEdit->setGeometry( 10, 20, txtLength, 16 );
	connect( m_wdLineEdit, SIGNAL( textChanged( const QString & ) ), this,
				SLOT( setWorkingDir( const QString & ) ) );

	QPushButton * workingdir_select_btn = new QPushButton(
				embed::getIconPixmap( "project_open", 16, 16 ),
							"", lmms_wd_tw );
	workingdir_select_btn->setFixedSize( 24, 24 );
	workingdir_select_btn->move( btnStart, 16 );
	connect( workingdir_select_btn, SIGNAL( clicked() ), this,
						SLOT( openWorkingDir() ) );


	// artwork-dir
	TabWidget * artwork_tw = new TabWidget( tr(
					"Themes directory" ).toUpper(),
								pathSelectors );
	artwork_tw->setFixedHeight( 48 );