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C++ QAbstractScrollArea::show方法代码示例

本文整理汇总了C++中QAbstractScrollArea::show方法的典型用法代码示例。如果您正苦于以下问题:C++ QAbstractScrollArea::show方法的具体用法?C++ QAbstractScrollArea::show怎么用?C++ QAbstractScrollArea::show使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在QAbstractScrollArea的用法示例。


在下文中一共展示了QAbstractScrollArea::show方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: QCOMPARE

void tst_QAbstractScrollArea::setScrollBars2()
{
    QAbstractScrollArea scrollArea;
    scrollArea.resize(300, 300);

    QScrollBar *hbar = new QScrollBar;
    scrollArea.setHorizontalScrollBar(hbar);
    qApp->processEvents();
    QCOMPARE(scrollArea.horizontalScrollBar(), hbar);

    QScrollBar *vbar = new QScrollBar;
    scrollArea.setVerticalScrollBar(vbar);
    qApp->processEvents();
    QCOMPARE(scrollArea.verticalScrollBar(), vbar);

    scrollArea.horizontalScrollBar()->setRange(0, 100);
    scrollArea.verticalScrollBar()->setRange(0, 100);
    scrollArea.show();

    // Make sure scroll bars are not explicitly hidden by QAbstractScrollArea itself.
    QVERIFY(hbar->isVisible());
    QVERIFY(vbar->isVisible());

    // Hide the OLD scroll bar and ensure that the NEW one is hidden.
    hbar->hide();
    scrollArea.setHorizontalScrollBar(new QScrollBar);
    qApp->processEvents();
    QVERIFY(!scrollArea.horizontalScrollBar()->isVisible());

    vbar->hide();
    scrollArea.setVerticalScrollBar(new QScrollBar);
    qApp->processEvents();
    QVERIFY(!scrollArea.verticalScrollBar()->isVisible());

    scrollArea.verticalScrollBar()->show();
    scrollArea.horizontalScrollBar()->show();

    // Hide the NEW scroll bar and ensure that it's visible
    // (because the OLD one is visible).
    hbar = new QScrollBar;
    hbar->hide();
    scrollArea.setHorizontalScrollBar(hbar);
    qApp->processEvents();
    QVERIFY(hbar->isVisible());

    vbar = new QScrollBar;
    vbar->hide();
    scrollArea.setVerticalScrollBar(vbar);
    qApp->processEvents();
    QVERIFY(vbar->isVisible());

    vbar->setRange(0, 0);
    qApp->processEvents();
    QVERIFY(!vbar->isVisible());

    hbar->setRange(0, 0);
    qApp->processEvents();
    QVERIFY(!hbar->isVisible());
}
开发者ID:mpvader,项目名称:qt,代码行数:59,代码来源:tst_qabstractscrollarea.cpp

示例2: scrollBarWidgets

void tst_QAbstractScrollArea::scrollBarWidgets()
{
    QWidget *w1 = new QWidget(0);
    QWidget *w2 = new QWidget(0);
    QWidget *w3 = new QWidget(0);

    Qt::Alignment all = Qt::AlignLeft | Qt::AlignRight | Qt::AlignTop | Qt::AlignBottom;

    QWidgetList w1List = QWidgetList() << w1;
    QWidgetList w2List = QWidgetList() << w2;
    QWidgetList w3List = QWidgetList() << w3;

    QWidgetList w1w2List = w1List + w2List;
    QWidgetList allList = w1List + w2List + w3List;

    QAbstractScrollArea area;
    area.show();
    QCOMPARE(area.scrollBarWidgets(all), QWidgetList());

    area.addScrollBarWidget(w1, Qt::AlignLeft);
    QCOMPARE(area.scrollBarWidgets(all), w1List);
    QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), w1List);
    QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom), QWidgetList());

    area.addScrollBarWidget(w2, Qt::AlignBottom);
    QCOMPARE(area.scrollBarWidgets(all), w1w2List);
    QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), w1List);
    QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom), w2List);

    // duplicate add
    area.addScrollBarWidget(w2, Qt::AlignBottom);
    QCOMPARE(area.scrollBarWidgets(all), w1w2List);
    QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), w1List);
    QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom), w2List);

    //reparent
    w2->setParent(w1);
    QCOMPARE(area.scrollBarWidgets(all), w1List);
    QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), w1List);
    QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom), QWidgetList());

    // add after reparent
    area.addScrollBarWidget(w2, Qt::AlignBottom);
    QCOMPARE(area.scrollBarWidgets(all), w1w2List);
    QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), w1List);
    QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom), w2List);

    // two widgets at Bottom.
    area.addScrollBarWidget(w3, Qt::AlignBottom);
    QCOMPARE(area.scrollBarWidgets(all).toSet(), allList.toSet());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), w1List);
    QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom).toSet(), (w2List + w3List).toSet());

    //delete
    delete w1;
    delete w2;
    delete w3;

    QCOMPARE(area.scrollBarWidgets(all), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignLeft), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignRight), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignTop), QWidgetList());
    QCOMPARE(area.scrollBarWidgets(Qt::AlignBottom), QWidgetList());
}
开发者ID:mpvader,项目名称:qt,代码行数:76,代码来源:tst_qabstractscrollarea.cpp


注:本文中的QAbstractScrollArea::show方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。