diff options
| -rw-r--r-- | src/gui/graphicsview/qgraphicsanchorlayout.cpp | 23 | ||||
| -rw-r--r-- | tests/auto/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp | 41 |
2 files changed, 43 insertions, 21 deletions
diff --git a/src/gui/graphicsview/qgraphicsanchorlayout.cpp b/src/gui/graphicsview/qgraphicsanchorlayout.cpp index 7e5929e..686096c 100644 --- a/src/gui/graphicsview/qgraphicsanchorlayout.cpp +++ b/src/gui/graphicsview/qgraphicsanchorlayout.cpp @@ -370,12 +370,6 @@ void QGraphicsAnchorLayout::setHorizontalSpacing(qreal spacing) { Q_D(QGraphicsAnchorLayout); - // ### We don't support negative spacing yet - if (spacing < 0) { - spacing = 0; - qWarning() << "QGraphicsAnchorLayout does not support negative spacing."; - } - d->spacings[0] = spacing; invalidate(); } @@ -389,12 +383,6 @@ void QGraphicsAnchorLayout::setVerticalSpacing(qreal spacing) { Q_D(QGraphicsAnchorLayout); - // ### We don't support negative spacing yet - if (spacing < 0) { - spacing = 0; - qWarning() << "QGraphicsAnchorLayout does not support negative spacing."; - } - d->spacings[1] = spacing; invalidate(); } @@ -405,7 +393,8 @@ void QGraphicsAnchorLayout::setVerticalSpacing(qreal spacing) If an item is anchored with no spacing associated with the anchor, it will use the default spacing. - Currently QGraphicsAnchorLayout does not support negative default spacings. + QGraphicsAnchorLayout does not support negative spacings. Setting a negative value will unset the + previous spacing and make the layout use the spacing provided by the current widget style. \sa setHorizontalSpacing(), setVerticalSpacing() */ @@ -413,14 +402,6 @@ void QGraphicsAnchorLayout::setSpacing(qreal spacing) { Q_D(QGraphicsAnchorLayout); - // ### Currently we do not support negative anchors inside the graph. - // To avoid those being created by a negative spacing, we must - // make this test. - if (spacing < 0) { - spacing = 0; - qWarning() << "QGraphicsAnchorLayout does not support negative spacing."; - } - d->spacings[0] = d->spacings[1] = spacing; invalidate(); } diff --git a/tests/auto/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp b/tests/auto/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp index e2f87b8..aa67ac5 100644 --- a/tests/auto/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp +++ b/tests/auto/qgraphicsanchorlayout/tst_qgraphicsanchorlayout.cpp @@ -88,6 +88,7 @@ private slots: void spacingPersistency(); void snakeParallelWithLayout(); void parallelToHalfLayout(); + void globalSpacing(); }; class RectWidget : public QGraphicsWidget @@ -1976,5 +1977,45 @@ void tst_QGraphicsAnchorLayout::parallelToHalfLayout() QCOMPARE(maximumSizeHint, QSizeF(400, 100) + overhead); } +void tst_QGraphicsAnchorLayout::globalSpacing() +{ + QGraphicsWidget *a = createItem(); + QGraphicsWidget *b = createItem(); + + QGraphicsWidget w; + QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout(&w); + + l->addCornerAnchors(l, Qt::TopLeftCorner, a, Qt::TopLeftCorner); + l->addCornerAnchors(a, Qt::BottomRightCorner, b, Qt::TopLeftCorner); + l->addCornerAnchors(b, Qt::BottomRightCorner, l, Qt::BottomRightCorner); + + w.resize(w.effectiveSizeHint(Qt::PreferredSize)); + qreal vSpacing = b->geometry().top() - a->geometry().bottom(); + qreal hSpacing = b->geometry().left() - a->geometry().right(); + + // Set spacings manually + l->setVerticalSpacing(vSpacing + 10); + l->setHorizontalSpacing(hSpacing + 5); + + w.resize(w.effectiveSizeHint(Qt::PreferredSize)); + qreal newVSpacing = b->geometry().top() - a->geometry().bottom(); + qreal newHSpacing = b->geometry().left() - a->geometry().right(); + + QCOMPARE(newVSpacing, vSpacing + 10); + QCOMPARE(newHSpacing, hSpacing + 5); + + // Set a negative spacing. This will unset the previous spacing and + // bring back the widget-defined spacing. + l->setSpacing(-1); + + w.resize(w.effectiveSizeHint(Qt::PreferredSize)); + newVSpacing = b->geometry().top() - a->geometry().bottom(); + newHSpacing = b->geometry().left() - a->geometry().right(); + + QCOMPARE(newVSpacing, vSpacing); + QCOMPARE(newHSpacing, hSpacing); +} + + QTEST_MAIN(tst_QGraphicsAnchorLayout) #include "tst_qgraphicsanchorlayout.moc" |