86 lines
3.6 KiB
C++
86 lines
3.6 KiB
C++
#include "CanvasFixtures.h"
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// Swift's resize snapping on the canvas: handles, Ctrl, Shift.
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namespace {
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// The document fills the canvas: view points are pixels.
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struct Canvas : Shown {
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QUuid red;
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Canvas() : Shown(QSize(400, 300), QSize(400, 300))
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{
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settle();
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session.zoom(1);
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session.insert(filled(100, 100, qRgba(255, 0, 0, 255), "Red"));
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red = session.activeLayerID().value();
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session.selectTool(NavigationTool::move);
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canvas->synchronizeDisplay();
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if (session.viewport.viewPoint(QPointF(0, 0), documentSize()) != QPointF(0, 0))
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throw std::runtime_error("the document does not fill the canvas");
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}
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QPointF origin() const { return layerWith(session, red).transform.origin; }
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void press(QPointF at, Qt::KeyboardModifiers modifiers = Qt::NoModifier) { QTest::mousePress(canvas, Qt::LeftButton, modifiers, at.toPoint()); }
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void move(QPointF to, Qt::KeyboardModifiers modifiers = Qt::NoModifier)
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{
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QMouseEvent event(QEvent::MouseMove, to, to, canvas->mapToGlobal(to.toPoint()), Qt::NoButton, Qt::LeftButton, modifiers);
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QApplication::sendEvent(canvas, &event);
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}
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void release(QPointF at, Qt::KeyboardModifiers modifiers = Qt::NoModifier) { QTest::mouseRelease(canvas, Qt::LeftButton, modifiers, at.toPoint()); }
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void drag(QPointF from, QPointF to, Qt::KeyboardModifiers modifiers = Qt::NoModifier)
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{
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press(from, modifiers);
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move((from + to) / 2, modifiers);
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move(to, modifiers);
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release(to, modifiers);
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}
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void click(QPointF at, Qt::KeyboardModifiers modifiers = Qt::NoModifier)
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{
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press(at, modifiers);
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release(at, modifiers);
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}
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};
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}
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class ResizeSnapCanvasTests : public QObject {
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Q_OBJECT
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private slots:
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void resizedEdgesSnapUnlessCtrl();
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};
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void ResizeSnapCanvasTests::resizedEdgesSnapUnlessCtrl()
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{
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Canvas shown;
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EditorSession &session = shown.session;
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session.setLocksTransformRatio(false);
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// The right edge, from 250 to four short of 400.
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shown.press(QPointF(250, 150));
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shown.move(QPointF(396, 150));
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QCOMPARE(session.transformEdit().value().draft, (LayerTransform{.origin = {150, 100}, .size = {250, 100}}));
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QCOMPARE(session.snapGuides, (SnapGuides{{400}, {}}));
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// Ctrl mid-drag frees it.
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shown.move(QPointF(396, 150), Qt::ControlModifier);
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QCOMPARE(session.transformEdit().value().draft.size, QSizeF(246, 100));
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shown.release(QPointF(396, 150), Qt::ControlModifier);
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QCOMPARE(layerWith(session, shown.red).transform.size, QSizeF(246, 100));
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// Snapping off, nothing snaps.
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session.undo();
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session.setSnappingEnabled(false);
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shown.drag(QPointF(250, 150), QPointF(396, 150));
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QCOMPARE(layerWith(session, shown.red).transform.size, QSizeF(246, 100));
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QCOMPARE(session.snapGuides, SnapGuides{});
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// Locked, Shift frees the lock: a corner snaps both edges.
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session.undo();
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session.setSnappingEnabled(true);
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session.setLocksTransformRatio(true);
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shown.press(QPointF(250, 200));
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shown.move(QPointF(396, 296), Qt::ShiftModifier);
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QCOMPARE(session.transformEdit().value().draft, (LayerTransform{.origin = {150, 100}, .size = {250, 200}}));
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QCOMPARE(session.snapGuides, (SnapGuides{{400}, {300}}));
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// Kept proportional, only the nearer edge snaps.
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shown.move(QPointF(397, 349));
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QCOMPARE(session.transformEdit().value().draft.size, QSizeF(250, 250));
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QCOMPARE(session.snapGuides, (SnapGuides{{400}, {}}));
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shown.release(QPointF(397, 349));
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}
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QTEST_MAIN(ResizeSnapCanvasTests)
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#include "ResizeSnapCanvasTests.moc"
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