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OmaPhoto/tests/TransformInspectorTests.cpp
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#include "SessionFixtures.h"
#include "UI/LayerIcons.h"
#include "UI/TransformInspector.h"
#include <QtTest>
#include <cmath>
// The Move tool's bar: fields, settings, Apply and Cancel.
namespace {
struct Bar {
EditorSession session;
QUuid layer;
std::unique_ptr<TransformInspector> header;
bool active = false;
Bar()
{
session.createDocument(200, 100);
session.insert(ImportedImage(QImage(40, 20, QImage::Format_RGBA8888_Premultiplied), QImage(), "Image"));
layer = session.activeLayerID().value();
session.selectTool(NavigationTool::move);
header = std::make_unique<TransformInspector>(session);
header->show();
header->activateWindow();
active = QTest::qWaitForWindowActive(header.get());
}
QLineEdit &field(const char *name)
{
QLineEdit *found = header->findChild<QLineEdit *>(QStringLiteral("transform") + QString::fromUtf8(name));
if (!found)
throw std::runtime_error(std::string("no field named ") + name);
return *found;
}
template <typename Widget> Widget &control(const char *name)
{
Widget *found = header->findChild<Widget *>(QLatin1String(name));
if (!found)
throw std::runtime_error(std::string("no control named ") + name);
return *found;
}
void type(const char *name, const QString &text)
{
QLineEdit &edit = field(name);
edit.setFocus();
edit.selectAll();
QTest::keyClicks(&edit, text);
}
LayerTransform draft() const { return session.transformEdit().value().draft; }
};
}
class TransformInspectorTests : public QObject {
Q_OBJECT
private slots:
void theFieldsShowTheLayerAndTypingPreviews();
void returnEscapeAndArrowsInAField();
void settingsButtonsAndTheTitleFollowTheSession();
void anotherActiveLayerRemakesTheFields();
void aMenuBorrowsTheFocusAndTheBarsKeysApplyOrCancel();
void theLockIconFollowsThePalette();
void theFieldsTakeTheSpareRoom();
void cancelAndApplyShowOnlyWhileAnEditWaits();
};
void TransformInspectorTests::theFieldsShowTheLayerAndTypingPreviews()
{
Bar bar;
QVERIFY(bar.active);
QCOMPARE(bar.header->title->text(), QString("Transform"));
QCOMPARE(bar.header->height(), 42);
QCOMPARE(bar.field("X").text(), QString("80"));
QCOMPARE(bar.field("Y").text(), QString("40"));
QCOMPARE(bar.field("W").text(), QString("40"));
QCOMPARE(bar.field("H").text(), QString("20"));
QCOMPARE(bar.field("Scale").text(), QString("100"));
QCOMPARE(bar.field("°").text(), QString("0"));
QCOMPARE(bar.control<QComboBox>("transformSampling").currentText(), QString("High quality"));
QCOMPARE(bar.field("X").accessibleName(), QString("X"));
// Typing begins a Ctrl+T edit and previews it.
bar.type("X", "90");
QVERIFY(bar.session.transformEdit().value().persistent);
QCOMPARE(bar.draft().origin, QPointF(90, 40));
QCOMPARE(layerWith(bar.session, bar.layer).transform.origin, QPointF(80, 40));
bar.type("Y", "12.5");
QCOMPARE(bar.draft().origin, QPointF(90, 12.5));
// Width locked carries the height; unlocked, alone.
bar.type("W", "80");
QCOMPARE(bar.draft().size, QSizeF(80, 40));
QCOMPARE(bar.field("H").text(), QString("40"));
QCOMPARE(bar.field("Scale").text(), QString("200"));
bar.control<QToolButton>("locksTransformRatio").click();
QVERIFY(!bar.session.locksTransformRatio());
bar.type("W", "20");
QCOMPARE(bar.draft().size, QSizeF(20, 40));
bar.type("H", "10");
QCOMPARE(bar.draft().size, QSizeF(20, 10));
// Under a pixel, or no number at all, changes nothing.
bar.type("H", "0");
QCOMPARE(bar.draft().size, QSizeF(20, 10));
bar.type("H", "abc");
QCOMPARE(bar.draft().size, QSizeF(20, 10));
bar.type("H", "inf");
QCOMPARE(bar.draft().size, QSizeF(20, 10));
// Scale sets both sides about the middle.
const QPointF center = bar.draft().center();
bar.type("Scale", "50");
QCOMPARE(bar.draft().size, QSizeF(20, 10));
QCOMPARE(bar.draft().center(), center);
bar.type("Scale", "0");
QCOMPARE(bar.draft().size, QSizeF(20, 10));
bar.type("°", "405");
QCOMPARE(bar.draft().rotation, 45.0);
bar.control<QComboBox>("transformSampling").setCurrentIndex(0);
emit bar.control<QComboBox>("transformSampling").activated(0);
QCOMPARE(bar.draft().sampling, LayerSampling::nearest);
bar.control<QPushButton>("flipHorizontal").click();
QVERIFY(bar.draft().flipX);
bar.control<QPushButton>("flipVertical").click();
QVERIFY(bar.draft().flipY);
// Apply commits the edit as one step; Cancel drops it.
const LayerTransform drafted = bar.draft();
bar.control<QPushButton>("applyTransform").click();
QVERIFY(!bar.session.transformEdit().has_value());
QCOMPARE(layerWith(bar.session, bar.layer).transform, drafted);
QCOMPARE(bar.session.history.undoName(), QString("Transform Layer"));
bar.type("X", "5");
QCOMPARE(bar.draft().origin.x(), 5.0);
bar.control<QPushButton>("cancelTransform").click();
QVERIFY(!bar.session.transformEdit().has_value());
QCOMPARE(layerWith(bar.session, bar.layer).transform, drafted);
}
void TransformInspectorTests::returnEscapeAndArrowsInAField()
{
Bar bar;
QVERIFY(bar.active);
QLineEdit &x = bar.field("X");
x.setFocus();
QVERIFY(x.hasFocus());
// Up and Down step one, Shift ten, writing the number.
QTest::keyClick(&x, Qt::Key_Up);
QCOMPARE(bar.draft().origin.x(), 81.0);
QCOMPARE(x.text(), QString("81"));
QTest::keyClick(&x, Qt::Key_Down, Qt::ShiftModifier);
QCOMPARE(bar.draft().origin.x(), 71.0);
QCOMPARE(x.text(), QString("71"));
// Return hands the canvas the keys; the edit waits there.
const int request = bar.session.canvasFocusRequest();
QTest::keyClick(&x, Qt::Key_Return);
QVERIFY(!x.hasFocus());
QCOMPARE(bar.session.canvasFocusRequest(), request + 1);
QVERIFY(bar.session.transformEdit().has_value());
x.setFocus();
QTest::keyClicks(&x, "2");
QCOMPARE(x.text(), QString("712"));
QCOMPARE(bar.draft().origin.x(), 712.0);
QTest::keyClick(&x, Qt::Key_Escape);
QVERIFY(!x.hasFocus());
QCOMPARE(bar.session.canvasFocusRequest(), request + 2);
QCOMPARE(bar.draft().origin.x(), 712.0);
// While a field is typed in, the numbers wait outside.
x.setFocus();
LayerTransform moved = bar.draft();
moved.origin.setX(30);
bar.session.previewTransform(moved);
QCOMPARE(x.text(), QString("712"));
QCOMPARE(bar.field("Y").text(), QString("40"));
x.clearFocus();
QCOMPARE(x.text(), QString("30"));
}
void TransformInspectorTests::settingsButtonsAndTheTitleFollowTheSession()
{
Bar bar;
QCheckBox &autoSelect = bar.control<QCheckBox>("transformAutoSelect");
QCheckBox &controls = bar.control<QCheckBox>("showTransformControls");
QVERIFY(!autoSelect.isChecked() && controls.isChecked());
QCOMPARE(autoSelect.toolTip(), QString("Select layers by clicking the canvas. When off, hold Ctrl to select a layer."));
autoSelect.click();
QVERIFY(bar.session.transformAutoSelect());
controls.click();
QVERIFY(!bar.session.showsTransformControls());
bar.session.setShowsTransformControls(true);
QVERIFY(controls.isChecked());
bar.session.setTransformAutoSelect(false);
QVERIFY(!autoSelect.isChecked());
QVERIFY(bar.control<QToolButton>("locksTransformRatio").isChecked());
bar.session.setLocksTransformRatio(false);
QVERIFY(!bar.control<QToolButton>("locksTransformRatio").isChecked());
// Apply and Cancel need an edit; the numbers, a layer.
QPushButton &apply = bar.control<QPushButton>("applyTransform");
QPushButton &cancel = bar.control<QPushButton>("cancelTransform");
QWidget &numbers = bar.control<QWidget>("transformFields");
QVERIFY(!apply.isEnabled() && !cancel.isEnabled() && numbers.isEnabled());
bar.session.beginTransform();
QVERIFY(apply.isEnabled() && cancel.isEnabled() && numbers.isEnabled());
bar.session.cancelTransform();
bar.session.addBlankLayer();
QVERIFY(!numbers.isEnabled());
QCOMPARE(bar.field("W").text(), QString("200"));
bar.session.setIsProjectBusy(true);
QVERIFY(!numbers.isEnabled());
bar.session.setIsProjectBusy(false);
// An unlinked mask, selected, is what the bar transforms.
bar.session.selectLayer(bar.layer);
rewrite(bar.session, [&](ProjectSnapshot &snapshot) {
setMask(snapshot, bar.layer, coverage());
record(snapshot, bar.layer).maskLinked = false;
record(snapshot, bar.layer).maskPlacement = LayerTransform{.origin = {1, 2}, .size = {3, 4}};
});
bar.session.selectLayerTarget(bar.layer, true);
QVERIFY(bar.session.transformTargetsMask());
QCOMPARE(bar.header->title->text(), QString("Transform Mask"));
QCOMPARE(bar.field("X").text(), QString("1"));
QCOMPARE(bar.field("W").text(), QString("3"));
bar.session.selectLayerTarget(bar.layer, false);
QCOMPARE(bar.header->title->text(), QString("Transform"));
}
void TransformInspectorTests::anotherActiveLayerRemakesTheFields()
{
Bar bar;
QVERIFY(bar.active);
bar.session.insert(ImportedImage(QImage(10, 10, QImage::Format_RGBA8888_Premultiplied), QImage(), "Other"), QPointF(5, 5));
const QUuid other = bar.session.activeLayerID().value();
bar.session.selectLayer(bar.layer);
QLineEdit &x = bar.field("X");
x.setFocus();
QTest::keyClicks(&x, "1");
QCOMPARE(bar.draft().origin.x(), 801.0);
// Another layer: the typing ends, the numbers are its.
bar.session.selectLayer(other);
QVERIFY(!x.hasFocus());
QVERIFY(!bar.session.transformEdit().has_value());
QCOMPARE(x.text(), QString("0"));
QCOMPARE(bar.field("W").text(), QString("10"));
QCOMPARE(layerWith(bar.session, bar.layer).transform.origin.x(), 801.0);
}
void TransformInspectorTests::aMenuBorrowsTheFocusAndTheBarsKeysApplyOrCancel()
{
Bar bar;
QVERIFY(bar.active);
QLineEdit &x = bar.field("X");
bar.type("X", "12.");
QCOMPARE(bar.draft().origin.x(), 12.0);
// The menu bar borrows the focus: the typing stays.
QPushButton &apply = bar.control<QPushButton>("applyTransform");
apply.setFocus(Qt::MenuBarFocusReason);
QVERIFY(!x.hasFocus());
QCOMPARE(x.text(), QString("12."));
LayerTransform moved = bar.draft();
moved.origin.setX(30);
bar.session.previewTransform(moved);
QCOMPARE(x.text(), QString("12."));
x.setFocus();
QTest::keyClicks(&x, "5");
QCOMPARE(x.text(), QString("12.5"));
QCOMPARE(bar.draft().origin.x(), 12.5);
// A popup borrows it too; leaving otherwise puts it back.
apply.setFocus(Qt::PopupFocusReason);
QCOMPARE(x.text(), QString("12.5"));
x.setFocus();
apply.setFocus(Qt::TabFocusReason);
QCOMPARE(x.text(), QString("12.50"));
// Return on Apply applies; Escape on a toggle cancels.
apply.setFocus();
QVERIFY(apply.hasFocus());
QTest::keyClick(&apply, Qt::Key_Return);
QVERIFY(!bar.session.transformEdit().has_value());
QCOMPARE(layerWith(bar.session, bar.layer).transform.origin.x(), 12.5);
bar.type("Y", "7");
QCOMPARE(bar.draft().origin.y(), 7.0);
QCheckBox &controls = bar.control<QCheckBox>("showTransformControls");
controls.setFocus();
QTest::keyClick(&controls, Qt::Key_Escape);
QVERIFY(!bar.session.transformEdit().has_value());
QCOMPARE(layerWith(bar.session, bar.layer).transform.origin.y(), 40.0);
// Without an edit the keys are the controls' own.
QTest::keyClick(&controls, Qt::Key_Return);
QTest::keyClick(&controls, Qt::Key_Escape);
QVERIFY(!bar.session.transformEdit().has_value());
QVERIFY(bar.session.showsTransformControls());
}
void TransformInspectorTests::theLockIconFollowsThePalette()
{
Bar bar;
QToolButton &lock = bar.control<QToolButton>("locksTransformRatio");
const double ratio = bar.header->devicePixelRatio();
QCOMPARE(lock.icon().pixmap(16).toImage(), LayerIcons::pixmap(LayerIcon::link, 16, bar.header->palette().color(QPalette::Text), ratio).toImage());
QPalette changed = bar.header->palette();
changed.setColor(QPalette::Text, QColor(200, 30, 30));
bar.header->setPalette(changed);
QCoreApplication::processEvents();
QCOMPARE(lock.icon().pixmap(16).toImage(), LayerIcons::pixmap(LayerIcon::link, 16, QColor(200, 30, 30), ratio).toImage());
}
void TransformInspectorTests::theFieldsTakeTheSpareRoom()
{
Bar bar;
QVERIFY(bar.active);
auto &flip = bar.control<QPushButton>("flipVertical");
const QRect natural = flip.geometry();
// Swift's ScrollView takes the room; its content keeps its size.
bar.header->resize(1600, bar.header->height());
QTRY_VERIFY(bar.control<QWidget>("pendingTransform").geometry().right() > 1600 - 40);
QCOMPARE(flip.geometry(), natural);
QCOMPARE(flip.width(), flip.sizeHint().width());
}
void TransformInspectorTests::cancelAndApplyShowOnlyWhileAnEditWaits()
{
Bar bar;
QVERIFY(bar.active);
QWidget &buttons = bar.control<QWidget>("pendingTransform");
auto *fade = qobject_cast<QGraphicsOpacityEffect *>(buttons.graphicsEffect());
QVERIFY(fade);
QPushButton &apply = bar.control<QPushButton>("applyTransform");
QPushButton &cancel = bar.control<QPushButton>("cancelTransform");
const auto seen = [&](bool shown) {
return fade->opacity() == (shown ? 1.0 : 0.0) && buttons.testAttribute(Qt::WA_TransparentForMouseEvents) == !shown
&& apply.focusPolicy() == (shown ? Qt::StrongFocus : Qt::NoFocus) && cancel.focusPolicy() == apply.focusPolicy();
};
QVERIFY(seen(false));
// SwiftUI's easeOut over 0.12 seconds; 12 points apart.
auto *fadeIn = bar.header->findChild<QPropertyAnimation *>();
QVERIFY(fadeIn && fadeIn->duration() == 120 && fadeIn->easingCurve().type() == QEasingCurve::BezierSpline);
// CSS's ease-out, 0, 0, 0.58, 1: about 0.685 halfway.
QVERIFY(std::abs(fadeIn->easingCurve().valueForProgress(0.5) - 0.685) < 0.01);
QCOMPARE(apply.geometry().left() - cancel.geometry().right() - 1, 12);
// A handle drag applies itself: nothing waits.
bar.session.beginTransform(false);
QVERIFY(apply.isEnabled());
QTest::qWait(200);
QVERIFY(seen(false));
// Unseen, the click falls through; Return still applies.
const QPoint middle = apply.mapTo(bar.header.get(), apply.rect().center());
QTest::mouseClick(bar.header->windowHandle(), Qt::LeftButton, Qt::NoModifier, middle);
QVERIFY(bar.session.transformEdit().has_value());
QTest::keyClick(bar.header.get(), Qt::Key_Return);
QVERIFY(!bar.session.transformEdit().has_value());
// Typed values wait: the buttons fade in, a click applies.
bar.session.beginTransform();
QVERIFY(fade->opacity() < 1);
QTRY_VERIFY(seen(true));
QVERIFY(apply.isVisible() && apply.isEnabled());
QTest::mouseClick(bar.header->windowHandle(), Qt::LeftButton, Qt::NoModifier, middle);
QVERIFY(!bar.session.transformEdit().has_value());
QTRY_VERIFY(seen(false));
// Waiting again, Cancel drops it.
bar.session.beginTransform();
QTRY_VERIFY(seen(true));
QTest::mouseClick(bar.header->windowHandle(), Qt::LeftButton, Qt::NoModifier, cancel.mapTo(bar.header.get(), cancel.rect().center()));
QVERIFY(!bar.session.transformEdit().has_value());
QTRY_VERIFY(seen(false));
}
QTEST_MAIN(TransformInspectorTests)
#include "TransformInspectorTests.moc"
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