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The Marquee, shapes and a moved selection snap to View › Snap To; Ctrl draws freely (13.5a)

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ZacharyZhang-NY committed 2026-10-01 09:55:24 -04:00
1 parent 64ebd1cdf9
commit 3992bc913d
11 files changed
+271 -11
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tests/GuideTests.cpp
+35
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@@ -53,6 +53,7 @@ private slots:
void layoutGridLinesIncludeMajorsAndSubdivisions();
void aDragCreatesMovesAndDeletesGuides();
void aDragSnapsAndHitsTheNearestGuide();
void drawnPointsSnapToTheSnapToTargets();
};
void GuideTests::newGuidesUndoAndClear()
@@ -427,5 +428,39 @@ void GuideTests::aDragSnapsAndHitsTheNearestGuide()
QVERIFY(!session->hitGuide(near));
}
// Swift's drawnPointsSnapToTheSnapToTargets, as written.
void GuideTests::drawnPointsSnapToTheSnapToTargets()
{
const auto session = paintedSession();
session->setSnapToLayers(false);
session->setSnapToDocumentBounds(true);
session->setShowsGrid(true);
session->setSnapToGrid(true);
// Each axis alone: grid every 8, the edge at 400.
QCOMPARE(session->snappedPoint(QPointF(62, 20), 3), QPointF(64, 20));
QCOMPARE(session->snappedPoint(QPointF(397.5, 9), 3), QPointF(400, 8));
QVERIFY(session->snapGuides.xs == std::vector<double>{400} && session->snapGuides.ys == std::vector<double>{8});
// A tie keeps the first line met; reach counts inclusively.
QCOMPARE(session->snappedPoint(QPointF(4, 17), 4), QPointF(0, 16));
// Two lines in reach: the nearer wins.
QCOMPARE(session->snappedPoint(QPointF(3, 19), 5), QPointF(0, 16));
QCOMPARE(session->snappedPoint(QPointF(5, 21), 5), QPointF(8, 24));
QCOMPARE(session->snappedPoint(QPointF(63, 11), 1), QPointF(64, 11));
// The canvas's middle is no target for a drawn point.
QCOMPARE(session->snappedPoint(QPointF(62, 149), 2), QPointF(64, 149));
QVERIFY(session->snapGuides.ys.empty());
session->setSnappingEnabled(false);
session->snapGuides = {{1}, {2}};
QCOMPARE(session->snappedPoint(QPointF(62, 20), 3), QPointF(62, 20));
QVERIFY(session->snapGuides.xs.empty() && session->snapGuides.ys.empty());
session->setSnappingEnabled(true);
session->setSnapEnabled(false);
QCOMPARE(session->snappedPoint(QPointF(62, 20), 3), QPointF(62, 20));
QVERIFY(session->snapGuides.xs.empty() && session->snapGuides.ys.empty());
session->setSnapEnabled(true);
session->setShowsGrid(false);
session->setSnapToGrid(false);
}
QTEST_GUILESS_MAIN(GuideTests)
#include "GuideTests.moc"