本文整理汇总了C++中QDirModel::hasChildren方法的典型用法代码示例。如果您正苦于以下问题：C++ QDirModel::hasChildren方法的具体用法？C++ QDirModel::hasChildren怎么用？C++ QDirModel::hasChildren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类QDirModel的用法示例。
在下文中一共展示了QDirModel::hasChildren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: moveCursor
void tst_QColumnView::moveCursor()
{
QFETCH(bool, reverse);
if (reverse)
qApp->setLayoutDirection(Qt::RightToLeft);
ColumnView view;
// don't crash
view.MoveCursor(ColumnView::MoveUp, Qt::NoModifier);
// don't do anything
QCOMPARE(view.MoveCursor(ColumnView::MoveEnd, Qt::NoModifier), QModelIndex());
QDirModel model;
view.setModel(&model);
QModelIndex home = model.index(QDir::homePath());
QModelIndex ci = view.currentIndex();
QCOMPARE(view.MoveCursor(ColumnView::MoveUp, Qt::NoModifier), QModelIndex());
QCOMPARE(view.MoveCursor(ColumnView::MoveDown, Qt::NoModifier), QModelIndex());
// left at root
view.setCurrentIndex(model.index(0,0));
ColumnView::PublicCursorAction action = reverse ? ColumnView::MoveRight : ColumnView::MoveLeft;
QCOMPARE(view.MoveCursor(action, Qt::NoModifier), model.index(0,0));
// left shouldn't move up
int i = 0;
ci = model.index(0, 0);
while (i < model.rowCount() - 1 && !model.hasChildren(ci))
ci = model.index(++i, 0);
QVERIFY(model.hasChildren(ci));
view.setCurrentIndex(ci);
action = reverse ? ColumnView::MoveRight : ColumnView::MoveLeft;
QCOMPARE(view.MoveCursor(action, Qt::NoModifier), ci);
// now move to the left (i.e. move over one column)
view.setCurrentIndex(home);
QCOMPARE(view.MoveCursor(action, Qt::NoModifier), home.parent());
// right
action = reverse ? ColumnView::MoveLeft : ColumnView::MoveRight;
view.setCurrentIndex(ci);
QModelIndex mc = view.MoveCursor(action, Qt::NoModifier);
QCOMPARE(mc, model.index(0,0, ci));
// next one should move down
QModelIndex idx = model.index(0, 0, ci);
while (model.hasChildren(idx) && model.rowCount(ci) > idx.row() + 1)
idx = idx.sibling(idx.row() + 1, idx.column());
view.setCurrentIndex(idx);
mc = view.MoveCursor(action, Qt::NoModifier);
QCOMPARE(mc, idx.sibling(idx.row() + 1, idx.column()));
}示例2: selectAll
void tst_QColumnView::selectAll()
{
ColumnView view;
view.selectAll();
QDirModel model;
view.setModel(&model);
view.selectAll();
QVERIFY(view.selectionModel()->selectedIndexes().count() >= 0);
QModelIndex home = model.index(QDir::homePath());
view.setCurrentIndex(home);
view.selectAll();
QVERIFY(view.selectionModel()->selectedIndexes().count() > 0);
QModelIndex file;
for (int i = 0; i < model.rowCount(home); ++i)
if (!model.hasChildren(model.index(i, 0, home))) {
file = model.index(i, 0, home);
break;
}
view.setCurrentIndex(file);
view.selectAll();
QVERIFY(view.selectionModel()->selectedIndexes().count() > 0);
view.setCurrentIndex(QModelIndex());
QVERIFY(view.selectionModel()->selectedIndexes().count() == 0);
}