void tst_QFormLayout::getPosition()
{
QWidget *w = new QWidget;
QFormLayout *fl = new QFormLayout(w);
QList<QLabel*> labels;
QList<QLineEdit*> fields;
for (int i = 0; i < 5; ++i) {
labels.append(new QLabel(QString("Label %1").arg(i+1)));
fields.append(new QLineEdit);
fl->addRow(labels[i], fields[i]);
}
//a field
{
int row;
QFormLayout::ItemRole role;
fl->getWidgetPosition(fields[3], &row, &role);
QCOMPARE(row, 3);
QCOMPARE(role, QFormLayout::FieldRole);
int old_row = row;
QFormLayout::ItemRole old_role = role;
fl->getItemPosition(3*2 + 1, &row, &role);
QCOMPARE(row, old_row);
QCOMPARE(role, old_role);
}
//a label
{
int row;
QFormLayout::ItemRole role;
fl->getWidgetPosition(labels[2], &row, &role);
QCOMPARE(row, 2);
QCOMPARE(role, QFormLayout::LabelRole);
int old_row = row;
QFormLayout::ItemRole old_role = role;
fl->getItemPosition(2*2, &row, &role);
QCOMPARE(row, old_row);
QCOMPARE(role, old_role);
}
//a layout that's been inserted
{
QVBoxLayout *vbl = new QVBoxLayout;
fl->insertRow(2, "Label 1.5", vbl);
int row;
QFormLayout::ItemRole role;
fl->getLayoutPosition(vbl, &row, &role);
QCOMPARE(row, 2);
QCOMPARE(role, QFormLayout::FieldRole);
int old_row = row;
QFormLayout::ItemRole old_role = role;
fl->getItemPosition(labels.count()*2 + 1, &row, &role);
QCOMPARE(row, old_row);
QCOMPARE(role, old_role);
}
delete w;
}
void tst_QFormLayout::replaceWidget()
{
QWidget w;
QFormLayout *layout = new QFormLayout();
w.setLayout(layout);
QLineEdit *edit1 = new QLineEdit();
QLineEdit *edit2 = new QLineEdit();
QLineEdit *edit3 = new QLineEdit();
QLabel *label1 = new QLabel();
QLabel *label2 = new QLabel();
layout->addRow("Label", edit1);
layout->addRow(label1, edit2);
// Verify controls not in layout
QCOMPARE(layout->indexOf(edit3), -1);
QCOMPARE(layout->indexOf(label2), -1);
// Verify controls in layout
int editIndex = layout->indexOf(edit1);
int labelIndex = layout->indexOf(label1);
QVERIFY(editIndex > 0);
QVERIFY(labelIndex > 0);
int rownum;
QFormLayout::ItemRole role;
// replace editor
layout->replaceWidget(edit1, edit3);
edit1->hide(); // Not strictly needed for the test, but for normal usage it is.
QCOMPARE(layout->indexOf(edit1), -1);
QCOMPARE(layout->indexOf(edit3), editIndex);
QCOMPARE(layout->indexOf(label1), labelIndex);
rownum = -1;
role = QFormLayout::SpanningRole;
layout->getWidgetPosition(edit3, &rownum, &role);
QCOMPARE(rownum, 0);
QCOMPARE(role, QFormLayout::FieldRole);
layout->replaceWidget(label1, label2);
label1->hide();
QCOMPARE(layout->indexOf(label1), -1);
QCOMPARE(layout->indexOf(label2), labelIndex);
layout->getWidgetPosition(label2, &rownum, &role);
QCOMPARE(rownum, 1);
QCOMPARE(role, QFormLayout::LabelRole);
}
void tst_QFormLayout::insertRow_QWidget_QLayout()
{
QFormLayout layout;
QLabel lbl1, lbl2, lbl3, lbl4;
QHBoxLayout fld1, fld2, fld3, fld4;
layout.insertRow(0, &lbl1, &fld1);
QCOMPARE(layout.rowCount(), 1);
{
int row = -1;
QFormLayout::ItemRole role = QFormLayout::ItemRole(-123);
layout.getWidgetPosition(&lbl1, &row, &role);
QCOMPARE(row, 0);
QCOMPARE(int(role), int(QFormLayout::LabelRole));
}
{
int row = -1;
QFormLayout::ItemRole role = QFormLayout::ItemRole(-123);
layout.getLayoutPosition(&fld1, &row, &role);
QCOMPARE(row, 0);
QCOMPARE(int(role), int(QFormLayout::FieldRole));
}
// check that negative values append
layout.insertRow(-2, &lbl2, &fld2);
QCOMPARE(layout.rowCount(), 2);
QVERIFY(layout.itemAt(0, QFormLayout::LabelRole)->widget() == &lbl1);
QVERIFY(layout.itemAt(1, QFormLayout::LabelRole)->widget() == &lbl2);
// check that too large values append
layout.insertRow(100, &lbl3, &fld3);
QCOMPARE(layout.rowCount(), 3);
QVERIFY(layout.itemAt(0, QFormLayout::LabelRole)->widget() == &lbl1);
QVERIFY(layout.itemAt(1, QFormLayout::LabelRole)->widget() == &lbl2);
QVERIFY(layout.itemAt(2, QFormLayout::LabelRole)->widget() == &lbl3);
QVERIFY(layout.itemAt(0, QFormLayout::FieldRole)->layout() == &fld1);
QVERIFY(layout.itemAt(1, QFormLayout::FieldRole)->layout() == &fld2);
QVERIFY(layout.itemAt(2, QFormLayout::FieldRole)->layout() == &fld3);
}
void tst_QFormLayout::setWidget()
{
QFormLayout layout;
QWidget w1;
QWidget w2;
QWidget w3;
QWidget w4;
QCOMPARE(layout.count(), 0);
QCOMPARE(layout.rowCount(), 0);
layout.setWidget(5, QFormLayout::LabelRole, &w1);
QCOMPARE(layout.count(), 1);
QCOMPARE(layout.rowCount(), 6);
layout.setWidget(3, QFormLayout::FieldRole, &w2);
layout.setWidget(3, QFormLayout::LabelRole, &w3);
QCOMPARE(layout.count(), 3);
QCOMPARE(layout.rowCount(), 6);
// should be ignored and generate warnings
layout.setWidget(3, QFormLayout::FieldRole, &w4);
layout.setWidget(-1, QFormLayout::FieldRole, &w4);
{
int row = -1;
QFormLayout::ItemRole role = QFormLayout::ItemRole(-123);
layout.getWidgetPosition(&w1, &row, &role);
QCOMPARE(row, 5);
QCOMPARE(int(role), int(QFormLayout::LabelRole));
}
{
int row = -1;
QFormLayout::ItemRole role = QFormLayout::ItemRole(-123);
layout.getWidgetPosition(&w2, &row, &role);
QCOMPARE(row, 3);
QCOMPARE(int(role), int(QFormLayout::FieldRole));
}
{
int row = -1;
QFormLayout::ItemRole role = QFormLayout::ItemRole(-123);
layout.getWidgetPosition(&w3, &row, &role);
QCOMPARE(row, 3);
QCOMPARE(int(role), int(QFormLayout::LabelRole));
}
{
int row = -1;
QFormLayout::ItemRole role = QFormLayout::ItemRole(-123);
layout.getWidgetPosition(&w4, &row, &role);
QCOMPARE(row, -1);
QCOMPARE(int(role), -123);
}
{
int row = -1;
QFormLayout::ItemRole role = QFormLayout::ItemRole(-123);
layout.getWidgetPosition(0, &row, &role);
QCOMPARE(row, -1);
QCOMPARE(int(role), -123);
}
}
QFormLayout::ItemRole getWidgetRole(const QFormLayout& layout, QWidget* widget) {
int row;
QFormLayout::ItemRole role;
layout.getWidgetPosition(widget, &row, &role);
return role;
}