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C++ QQuickView::sizeHint方法代码示例

本文整理汇总了C++中QQuickView::sizeHint方法的典型用法代码示例。如果您正苦于以下问题:C++ QQuickView::sizeHint方法的具体用法?C++ QQuickView::sizeHint怎么用?C++ QQuickView::sizeHint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QQuickView的用法示例。


在下文中一共展示了QQuickView::sizeHint方法的1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: resizemodeitem

void tst_QQuickView::resizemodeitem()
{
    QWindow window;
    window.setGeometry(0, 0, 400, 400);

    QQuickView *view = new QQuickView(&window);
    QVERIFY(view);
    view->setResizeMode(QQuickView::SizeRootObjectToView);
    QCOMPARE(QSize(0,0), view->initialSize());
    view->setSource(testFileUrl("resizemodeitem.qml"));
    QQuickItem* item = qobject_cast<QQuickItem*>(view->rootObject());
    QVERIFY(item);
    window.show();

    view->show();

    // initial size from root object
    QCOMPARE(item->width(), 200.0);
    QCOMPARE(item->height(), 200.0);
    QCOMPARE(view->size(), QSize(200, 200));
    QCOMPARE(view->size(), view->sizeHint());
    QCOMPARE(view->size(), view->initialSize());

    // size update from view
    view->resize(QSize(80,100));

    QTRY_COMPARE(item->width(), 80.0);
    QCOMPARE(item->height(), 100.0);
    QCOMPARE(view->size(), QSize(80, 100));
    QCOMPARE(view->size(), view->sizeHint());

    view->setResizeMode(QQuickView::SizeViewToRootObject);

    // size update from view disabled
    view->resize(QSize(60,80));
    QCOMPARE(item->width(), 80.0);
    QCOMPARE(item->height(), 100.0);
    QTest::qWait(50);
    QCOMPARE(view->size(), QSize(60, 80));

    // size update from root object
    item->setWidth(250);
    item->setHeight(350);
    QCOMPARE(item->width(), 250.0);
    QCOMPARE(item->height(), 350.0);
    QTRY_COMPARE(view->size(), QSize(250, 350));
    QCOMPARE(view->size(), QSize(250, 350));
    QCOMPARE(view->size(), view->sizeHint());

    // reset window
    window.hide();
    delete view;
    view = new QQuickView(&window);
    QVERIFY(view);
    view->setResizeMode(QQuickView::SizeViewToRootObject);
    view->setSource(testFileUrl("resizemodeitem.qml"));
    item = qobject_cast<QQuickItem*>(view->rootObject());
    QVERIFY(item);
    window.show();

    view->show();

    // initial size for root object
    QCOMPARE(item->width(), 200.0);
    QCOMPARE(item->height(), 200.0);
    QCOMPARE(view->size(), view->sizeHint());
    QCOMPARE(view->size(), view->initialSize());

    // size update from root object
    item->setWidth(80);
    item->setHeight(100);
    QCOMPARE(item->width(), 80.0);
    QCOMPARE(item->height(), 100.0);
    QTRY_COMPARE(view->size(), QSize(80, 100));
    QCOMPARE(view->size(), QSize(80, 100));
    QCOMPARE(view->size(), view->sizeHint());

    // size update from root object disabled
    view->setResizeMode(QQuickView::SizeRootObjectToView);
    item->setWidth(60);
    item->setHeight(80);
    QCOMPARE(view->width(), 80);
    QCOMPARE(view->height(), 100);
    QCOMPARE(QSize(item->width(), item->height()), view->sizeHint());

    // size update from view
    view->resize(QSize(200,300));
    QTest::qWait(50);
    QCOMPARE(item->width(), 200.0);
    QCOMPARE(item->height(), 300.0);
    QCOMPARE(view->size(), QSize(200, 300));
    QCOMPARE(view->size(), view->sizeHint());

    window.hide();
    delete view;

    // if we set a specific size for the view then it should keep that size
    // for SizeRootObjectToView mode.
    view = new QQuickView(&window);
    view->resize(300, 300);
//.........这里部分代码省略.........
开发者ID:ghjinlei,项目名称:qt5,代码行数:101,代码来源:tst_qquickview.cpp


注:本文中的QQuickView::sizeHint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。