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());
}
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());
}