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OmaPhoto/tests/InlineTextHandleTests.cpp
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#include "InlineTextFixtures.h"
#include <QLineEdit>
#include <array>
// Open text's handles: cursors, resizing, limits, the padding.
namespace {
// A point of the box, in its own pixels.
QPointF at(TextCanvas &shown, double x, double y)
{
return shown.editor().boxTransform().map(QPointF(x, y));
}
Qt::CursorShape hovered(TextCanvas &shown, QPointF point)
{
shown.hover(point);
return shown.canvas->cursor().shape();
}
}
class InlineTextHandleTests : public QObject {
Q_OBJECT
private slots:
void handlesFollowTheBoxEdges();
void handlesResizeTheBox();
void aTurnedBoxResizesAlongItsEdges();
void aScaledLayerKeepsItsScale();
void thePaddingTakesNoClicks();
void aLostReleaseEndsAResize();
void anEditEndsAResize();
void aSquashedLayerTakesFarDrags();
void theIBeamHoldsAcrossTheCanvas();
};
void InlineTextHandleTests::handlesFollowTheBoxEdges()
{
TextCanvas shown;
shown.type(QStringLiteral("Hi"));
const QSizeF size = shown.editor().logicalSize();
// Swift's frame positions, corner by corner round the box.
const std::array<Qt::CursorShape, 8> shapes{Qt::SizeFDiagCursor, Qt::SizeVerCursor, Qt::SizeBDiagCursor, Qt::SizeHorCursor,
Qt::SizeFDiagCursor, Qt::SizeVerCursor, Qt::SizeBDiagCursor, Qt::SizeHorCursor};
for (size_t handle = 0; handle < shapes.size(); ++handle) {
const QPointF unit = LayerTransform::handles[handle];
QCOMPARE(hovered(shown, at(shown, unit.x() * size.width(), unit.y() * size.height())), shapes[handle]);
}
// Bands ten points either side of each edge; inside, text.
const double width = size.width(), middle = size.height() / 2;
QCOMPARE(hovered(shown, at(shown, width / 2, middle)), Qt::IBeamCursor);
QCOMPARE(hovered(shown, at(shown, width - 9, middle)), Qt::SizeHorCursor);
QCOMPARE(hovered(shown, at(shown, width - 11, middle)), Qt::IBeamCursor);
QCOMPARE(hovered(shown, at(shown, width + 9, middle)), Qt::SizeHorCursor);
QCOMPARE(hovered(shown, at(shown, width + 11, middle)), Qt::IBeamCursor);
QCOMPARE(hovered(shown, at(shown, width / 2, 9)), Qt::SizeVerCursor);
QCOMPARE(hovered(shown, at(shown, width / 2, -9)), Qt::SizeVerCursor);
QCOMPARE(hovered(shown, at(shown, width / 2, -11)), Qt::IBeamCursor);
// A press shows its handle's cursor before any hover.
QCOMPARE(hovered(shown, at(shown, width / 2, middle)), Qt::IBeamCursor);
const QPointF right = at(shown, width, middle);
shown.press(right);
QCOMPARE(shown.canvas->cursor().shape(), Qt::SizeHorCursor);
// The release shows what lies under the pointer.
shown.move(right - QPointF(500, 0));
shown.release(right - QPointF(500, 0));
QCOMPARE(shown.canvas->cursor().shape(), Qt::IBeamCursor);
// A narrow box keeps a third of itself for text.
QCOMPARE(shown.editor().logicalSize().width(), 16.0);
QCOMPARE(hovered(shown, at(shown, 8, 0)), Qt::SizeVerCursor);
QCOMPARE(hovered(shown, at(shown, 8, middle)), Qt::IBeamCursor);
}
void InlineTextHandleTests::handlesResizeTheBox()
{
TextCanvas shown;
shown.type(QStringLiteral("Hi"));
const QSizeF size = shown.editor().logicalSize();
const QPointF right = at(shown, size.width(), size.height() / 2);
// A press alone makes point text a box its size.
shown.click(right);
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(size));
QCOMPARE(shown.session.textDraft().value().transform, std::optional(LayerTransform{.origin = QPointF(20, 30), .size = size}));
// Dragged, the edge follows and the far edge stays.
shown.drag(right, right + QPointF(40, 0));
const QSizeF wider(size.width() + 40, size.height());
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(wider));
QCOMPARE(shown.session.textDraft().value().transform, std::optional(LayerTransform{.origin = QPointF(20, 30), .size = wider}));
QCOMPARE(shown.session.textDraft().value().style.content, QString("Hi"));
// Past the far edge a side stops at 16 pixels.
const QPointF left = at(shown, 0, size.height() / 2);
shown.drag(left, left + QPointF(500, 0));
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(QSizeF(16, size.height())));
QCOMPARE(shown.session.textDraft().value().transform.value().origin, QPointF(20 + wider.width() - 16, 30));
const QPointF top = at(shown, 8, 0);
shown.drag(top, top + QPointF(0, 500));
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(QSizeF(16, 16)));
QCOMPARE(shown.session.textDraft().value().transform.value().origin, QPointF(20 + wider.width() - 16, 30 + size.height() - 16));
const QPointF bottom = at(shown, 8, 16);
shown.drag(bottom, bottom + QPointF(0, 40));
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(QSizeF(16, 56)));
shown.drag(bottom + QPointF(0, 40), bottom - QPointF(0, 500));
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(QSizeF(16, 16)));
// Past 30,000 pixels the box stays as it was.
const QPointF edge = at(shown, 16, 8);
shown.drag(edge, edge + QPointF(40'000, 0));
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(QSizeF(16, 16)));
}
void InlineTextHandleTests::aTurnedBoxResizesAlongItsEdges()
{
TextCanvas shown;
shown.type(QStringLiteral("Hi"));
QVERIFY(shown.session.finishText());
const QUuid id = shown.session.activeLayerID().value();
rewrite(shown.session, [&](ProjectSnapshot &snapshot) { record(snapshot, id).transform.rotation = 90; });
// The install fits the view; one point a pixel again.
shown.session.zoom(1);
shown.session.editActiveText();
const QSizeF size = shown.editor().logicalSize();
// Turned a quarter, the right edge faces down.
const QPointF right = at(shown, size.width(), size.height() / 2);
QCOMPARE(hovered(shown, right), Qt::SizeVerCursor);
shown.drag(right, right + QPointF(0, 40));
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(QSizeF(size.width() + 40, size.height())));
// And the bottom edge faces left.
const QPointF bottom = at(shown, size.width() / 2, size.height());
QCOMPARE(hovered(shown, bottom), Qt::SizeHorCursor);
shown.drag(bottom, bottom - QPointF(40, 0));
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(QSizeF(size.width() + 40, size.height() + 40)));
// A turn past int's range counts its rest: 280 degrees.
QVERIFY(shown.session.finishText());
rewrite(shown.session, [&](ProjectSnapshot &snapshot) { record(snapshot, id).transform.rotation = 1e12; });
shown.session.zoom(1);
shown.session.editActiveText();
QCOMPARE(hovered(shown, at(shown, 0, 0)), Qt::SizeBDiagCursor);
}
void InlineTextHandleTests::aScaledLayerKeepsItsScale()
{
TextCanvas shown;
shown.type(QStringLiteral("Hi"));
QVERIFY(shown.session.finishText());
const QUuid id = shown.session.activeLayerID().value();
rewrite(shown.session, [&](ProjectSnapshot &snapshot) { record(snapshot, id).transform.size *= 20; });
shown.session.zoom(1);
shown.session.editActiveText();
shown.key(Qt::Key_End);
shown.type(QStringLiteral("!"));
// Point text grows at its layer's scale; presses keep it.
const QSizeF size = shown.editor().logicalSize();
const LayerTransform grown = shown.editor().shownTransform();
QCOMPARE(grown.size, size * 20);
const QPointF right = at(shown, size.width(), size.height() / 2);
shown.press(right);
QCOMPARE(shown.session.textDraft().value().transform, std::optional(grown));
// A valid box whose layer would pass 300,000 pixels stays.
shown.move(right + QPointF(300'000, 0));
shown.release(right + QPointF(300'000, 0));
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(size));
QCOMPARE(shown.session.textDraft().value().transform, std::optional(grown));
}
void InlineTextHandleTests::thePaddingTakesNoClicks()
{
TextCanvas shown;
shown.session.cancelText();
shown.session.zoom(2);
shown.session.beginText(QPointF(190, 140), true);
shown.type(QStringLiteral("Pad"));
const double middle = shown.editor().logicalSize().height() / 2;
const QPointF padding = at(shown, 6, middle), letters = at(shown, LayerTextStyle::padding + 1, middle);
QVERIFY(shown.canvas->rect().contains(padding.toPoint()));
// Zoomed in, a click in the padding does nothing.
shown.click(padding);
QCOMPARE(shown.caret(), 3);
QCOMPARE(shown.session.textDraft().value().style.content, QString("Pad"));
// Nor a drag from it, after a click on letters.
shown.click(letters);
QCOMPARE(shown.caret(), 0);
shown.key(Qt::Key_End);
shown.drag(padding, letters);
QCOMPARE(shown.selection(), (TextRange{3, 3}));
}
void InlineTextHandleTests::aLostReleaseEndsAResize()
{
TextCanvas shown;
shown.type(QStringLiteral("Hi"));
const QSizeF size = shown.editor().logicalSize();
const QPointF right = at(shown, size.width(), size.height() / 2);
// A hover without the button ends it, and its cursor.
shown.press(right);
shown.move(right + QPointF(40, 0));
QCOMPARE(hovered(shown, at(shown, size.width() / 2, size.height() / 2)), Qt::IBeamCursor);
// So does a press: a padding drag then does nothing.
const QSizeF held = shown.session.textDraft().value().style.boxSize.value();
const QPointF edge = at(shown, held.width(), size.height() / 2);
shown.press(edge);
shown.move(edge + QPointF(20, 0));
const QSizeF wider = shown.session.textDraft().value().style.boxSize.value();
QCOMPARE(wider, QSizeF(held.width() + 20, held.height()));
const QPointF padding = at(shown, wider.width() / 2, 11);
shown.press(padding);
shown.move(padding + QPointF(30, 0));
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(wider));
shown.release(padding + QPointF(30, 0));
// And a lost focus, the cursor at once.
const QPointF end = at(shown, wider.width(), size.height() / 2);
shown.press(end);
shown.move(end - QPointF(500, 0));
QLineEdit field(&shown.window);
field.show();
field.setFocus();
QTRY_VERIFY(field.hasFocus());
QCOMPARE(shown.canvas->cursor().shape(), Qt::IBeamCursor);
}
void InlineTextHandleTests::anEditEndsAResize()
{
TextCanvas shown;
shown.type(QStringLiteral("abc"));
const QSizeF size = shown.editor().logicalSize();
const QPointF right = at(shown, size.width(), size.height() / 2);
// Its drag would write back the draft it began with.
shown.press(right);
shown.move(right + QPointF(20, 0));
shown.type(QStringLiteral("X"));
shown.move(right + QPointF(40, 0));
QCOMPARE(shown.session.textDraft().value().style.content, QString("abcX"));
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(QSizeF(size.width() + 20, size.height())));
shown.release(right + QPointF(40, 0));
// A spacing key ends it too.
const QPointF edge = at(shown, size.width() + 20, size.height() / 2);
shown.press(edge);
shown.move(edge + QPointF(20, 0));
shown.key(Qt::Key_Right, Qt::AltModifier);
const double tracking = shown.session.textDraft().value().style.tracking;
QVERIFY(tracking > 0);
shown.move(edge + QPointF(40, 0));
QCOMPARE(shown.session.textDraft().value().style.tracking, tracking);
QCOMPARE(shown.session.textDraft().value().style.boxSize, std::optional(QSizeF(size.width() + 40, size.height())));
shown.release(edge + QPointF(40, 0));
}
void InlineTextHandleTests::aSquashedLayerTakesFarDrags()
{
TextCanvas shown;
shown.session.cancelText();
shown.drag(QPointF(20, 20), QPointF(120, 120));
TextDraft draft = shown.session.textDraft().value();
draft.style.fontSize = 1;
draft.style.boxSize = QSizeF(100, 30'000);
draft.style.content = QStringLiteral("abc");
shown.session.setTextDraft(draft);
QVERIFY(shown.session.finishText());
const QUuid id = shown.session.activeLayerID().value();
rewrite(shown.session, [&](ProjectSnapshot &snapshot) { record(snapshot, id).transform.size = QSizeF(100, 10); });
shown.session.zoom(1);
shown.session.editActiveText();
// Rows past int's range still lie below the lines.
const QPointF inside = shown.editor().textTransform().map(QPointF(LayerTextStyle::padding + 1, 15'000));
shown.press(inside);
shown.move(inside + QPointF(0, 1'000'000));
QCOMPARE(shown.caret(), 3);
shown.release(inside + QPointF(0, 1'000'000));
}
// Swift 221d6cc: away from the box, the Type I-beam.
void InlineTextHandleTests::theIBeamHoldsAcrossTheCanvas()
{
TextCanvas shown;
shown.type(QStringLiteral("Hi"));
const QSizeF size = shown.editor().logicalSize();
QCOMPARE(hovered(shown, at(shown, size.width(), size.height() / 2)), Qt::SizeHorCursor);
const QPointF corner(shown.canvas->width() - 3, shown.canvas->height() - 3);
QCOMPARE(hovered(shown, corner), Qt::IBeamCursor);
QCOMPARE(hovered(shown, QPointF(3, 3)), Qt::IBeamCursor);
// After a resize drag, the I-beam again, away from it.
const QPointF edge = at(shown, size.width(), size.height() / 2);
shown.drag(edge, edge + QPointF(30, 0));
QCOMPARE(hovered(shown, corner), Qt::IBeamCursor);
// Nothing outside the canvas takes the I-beam: window or sibling.
QWidget sibling(&shown.window);
QVERIFY(!shown.window.testAttribute(Qt::WA_SetCursor));
QCOMPARE(sibling.cursor().shape(), Qt::ArrowCursor);
// The canvas owns its cursor: leaving sets none elsewhere.
QEvent leave(QEvent::Leave);
QApplication::sendEvent(shown.canvas, &leave);
QVERIFY(!QGuiApplication::overrideCursor());
QVERIFY(!shown.window.testAttribute(Qt::WA_SetCursor));
QCOMPARE(sibling.cursor().shape(), Qt::ArrowCursor);
QCOMPARE(shown.canvas->cursor().shape(), Qt::IBeamCursor);
}
QTEST_MAIN(InlineTextHandleTests)
#include "InlineTextHandleTests.moc"
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