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QHeaderView: add test for not overwriting resized sections

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If we change, reset or update the default section size, e.g. in response
to style changes or programmatically, then we don't want to override
explicitly specified column widths in e.g. a tree view.

Add a test that verifies that we don't overwrite.

Task-number: QTBUG-116013
Task-number: QTBUG-122109
Task-number: QTBUG-123154
Change-Id: I3d9a6ac685da39a59436b91f56e86b0f705e645c
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>
(cherry picked from commit 3ca0288aa927108de4c57119d9767998021a6089)
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
This commit is contained in:
Volker Hilsheimer 2024-10-30 14:38:32 +01:00
parent 9f79ffe8f0
commit 800d7138a3
1 changed files with 28 additions and 0 deletions
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28
tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
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@ -229,6 +229,7 @@ private slots:
void testModelMovingColumns();
void testModelMovingRows();
void setDefaultSectionSizeRespectsColumnWidth();
protected:
void setupTestData(bool use_reset_model = false);
void additionalInit();
@ -3685,5 +3686,32 @@ void tst_QHeaderView::testModelMovingRows()
QVERIFY(!hv.isSectionHidden(3));
}
void tst_QHeaderView::setDefaultSectionSizeRespectsColumnWidth()
{
QTreeWidget tree;
tree.setHeaderItem(new QTreeWidgetItem({"Col 0", "Col 1", "Col 2"}));
tree.header()->setStretchLastSection(false);
int columnWidths[3] = {};
for (int c = tree.columnCount() - 1; c >= 0; --c) {
columnWidths[c] = tree.columnWidth(c) * 2;
tree.setColumnWidth(c, columnWidths[c]);
}
tree.show();
QVERIFY(QTest::qWaitForWindowExposed(&tree));
for (int c = 0; c < tree.columnCount(); ++c)
QTRY_COMPARE(tree.columnWidth(c), columnWidths[c]);
// trigger a style change event
tree.setStyleSheet("QTreeView { qproperty-headerHidden: true }");
QTRY_COMPARE(tree.isHeaderHidden(), true);
tree.setStyleSheet("QTreeView { qproperty-headerHidden: false }");
QTRY_COMPARE(tree.isHeaderHidden(), false);
for (int c = 0; c < tree.columnCount(); ++c)
QTRY_COMPARE(tree.columnWidth(c), columnWidths[c]);
}
QTEST_MAIN(tst_QHeaderView)
#include "tst_qheaderview.moc"