OmaPhoto 1.0.0: the Linux port of Compositor
A layered image editor for Linux and Omarchy, ported from Compositor (github.com/robbietilton/Compositor), whose Swift source is its specification. It reads and writes Compositor's .comp projects. Packages for Ubuntu, Fedora and Arch come from the release workflow; scripts/install/ holds one install script per distribution family, and flake.nix serves NixOS. Co-Authored-By: Claude <noreply@anthropic.com>
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#include "ContentView.h"
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#include <QPainter>
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#include <QProgressBar>
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#include <QtTest>
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// The status bar: numbers, colour space, and each tool's words.
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namespace {
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template <typename Widget> Widget &find(QWidget &root, const char *name)
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{
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Widget *found = root.findChild<Widget *>(QString::fromLatin1(name));
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if (!found)
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throw std::runtime_error(std::string("no widget named ") + name);
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return *found;
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}
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}
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class ContentViewStatusTests : public QObject {
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Q_OBJECT
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private slots:
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void theStatusBarSaysWhatIsGoingOn();
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void everyToolHasItsHint();
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void zoomPrintsAsSwiftPrintsIt();
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};
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void ContentViewStatusTests::theStatusBarSaysWhatIsGoingOn()
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{
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EditorSession session;
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ContentView view(session);
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view.show();
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auto &zoom = find<QLabel>(view, "zoomStatus"), &size = find<QLabel>(view, "canvasDimensions");
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auto &colour = find<QLabel>(view, "colourStatus"), &activity = find<QLabel>(view, "activityStatus");
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auto &spinner = *view.findChild<QProgressBar *>();
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QVERIFY(!zoom.isVisible() && !size.isVisible() && !spinner.isVisible());
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QCOMPARE(colour.text(), QString("Ready when you are"));
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session.createDocument(30000, 12345);
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QVERIFY(zoom.isVisible() && size.isVisible());
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QCOMPARE(size.text(), QString("30,000 × 12,345 px"));
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QCOMPARE(colour.text(), QString("sRGB · Transparent"));
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QCOMPARE(zoom.width(), 62);
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// Importing shows at once; busy only after its quarter second.
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session.setIsImporting(true);
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QVERIFY(spinner.isVisible());
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QCOMPARE(activity.text(), QString("Importing images…"));
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session.setIsProjectBusy(true);
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QCOMPARE(activity.text(), QString("Importing images…"));
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QTRY_COMPARE(activity.text(), QString("Working…"));
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QVERIFY(spinner.isVisible());
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session.setIsProjectBusy(false);
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session.setIsImporting(false);
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QVERIFY(!spinner.isVisible());
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QCOMPARE(activity.text(), ContentView::hint(session.tool()));
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// The Marquee's and the Lasso's words follow their kinds.
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session.selectTool(NavigationTool::marquee);
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session.setMarqueeKind(LassoKind::ellipse);
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QCOMPARE(activity.text(), ContentView::hint(NavigationTool::marquee, ToolIconKind::ellipse));
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QVERIFY(activity.text().startsWith("Drag an ellipse"));
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session.selectTool(NavigationTool::lasso);
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session.setLassoKind(LassoKind::polygonal);
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QCOMPARE(activity.text(), ContentView::hint(NavigationTool::lasso, ToolIconKind::polygonal));
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QVERIFY(activity.text().startsWith("Click corners"));
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session.setLassoKind(LassoKind::freehand);
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QCOMPARE(activity.text(), ContentView::hint(NavigationTool::lasso));
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// The brush's words follow its mode.
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session.selectTool(NavigationTool::brush);
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session.setBrushMode(BrushToolMode::erase);
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QCOMPARE(activity.text(), QString("Drag to erase · [ ] size · Shift-[ ] hardness · 1–0 opacity · Escape cancel · Space to pan"));
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session.setBrushMode(BrushToolMode::paint);
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QCOMPARE(activity.text(), ContentView::hint(NavigationTool::brush));
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// The Smear's words follow its mode.
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session.selectTool(NavigationTool::blur);
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session.setBlurMode(BlurToolMode::blur);
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QCOMPARE(activity.text(), QString("Drag to soften · [ ] size · Shift-[ ] hardness · 1–0 strength · Space to pan"));
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session.setBlurMode(BlurToolMode::smudge);
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QCOMPARE(activity.text(), QString("Drag to smudge · [ ] size · Shift-[ ] hardness · 1–0 strength · Space to pan"));
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QCOMPARE(ContentView::hint(NavigationTool::brush, ToolIconKind::plain, BlurToolMode::smudge), ContentView::hint(NavigationTool::brush));
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session.setBlurMode(BlurToolMode::liquify);
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QCOMPARE(activity.text(), ContentView::hint(NavigationTool::blur));
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// Busy alone turns the spinner as well.
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session.setIsProjectBusy(true);
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QTRY_COMPARE(activity.text(), QString("Working…"));
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QVERIFY(spinner.isVisible());
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session.setIsProjectBusy(false);
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QVERIFY(!spinner.isVisible());
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QCOMPARE(view.findChild<QWidget *>("statusBar")->height(), 30);
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// At the narrowest the hint gives way, not the numbers.
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session.selectTool(NavigationTool::marquee);
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view.resize(800, 520);
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QTest::qWait(30);
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QVERIFY(size.width() >= size.sizeHint().width() && colour.width() >= colour.sizeHint().width());
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QVERIFY(activity.width() < activity.sizeHint().width());
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QVERIFY(activity.geometry().right() <= view.width() - 18);
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// The hint keeps its dim tone under any palette.
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QPalette loud = activity.palette();
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loud.setColor(QPalette::PlaceholderText, QColor(200, 20, 20));
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loud.setColor(QPalette::WindowText, QColor(20, 20, 200));
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activity.setPalette(loud);
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const QImage tinted = activity.grab().toImage();
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int red = 0, blue = 0;
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for (int y = 0; y < tinted.height(); ++y) {
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for (int x = 0; x < tinted.width(); ++x) {
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const QColor pixel = tinted.pixelColor(x, y);
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red += pixel.red() > 150 && pixel.blue() < 100;
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blue += pixel.blue() > 150 && pixel.red() < 100;
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}
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}
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QVERIFY2(red > 100 && blue == 0, qPrintable(QString("%1 %2").arg(red).arg(blue)));
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activity.setPalette(QPalette());
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// What it paints there is the hint ending in dots.
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const auto painted = [&](const QString &words) {
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QImage image(activity.size(), QImage::Format_RGB32);
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image.fill(activity.palette().color(QPalette::Window));
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QPainter painter(&image);
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painter.setFont(activity.font());
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painter.setPen(activity.palette().color(QPalette::PlaceholderText));
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painter.drawText(image.rect(), Qt::AlignRight | Qt::AlignVCenter, words);
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return image;
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};
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// Tones differ a little between paint paths; letters do not.
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const auto apart = [&](const QImage &one, const QImage &other) {
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int count = 0;
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for (int y = 0; y < one.height(); ++y) {
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for (int x = 0; x < one.width(); ++x)
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count += std::abs(qRed(one.pixel(x, y)) - qRed(other.pixel(x, y))) > 64;
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}
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return count;
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};
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const QString cut = activity.fontMetrics().elidedText(activity.text(), Qt::ElideRight, activity.width());
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QVERIFY(cut.endsWith(QChar(0x2026)) && cut != activity.text());
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const QImage narrow = activity.grab().toImage().convertToFormat(QImage::Format_RGB32);
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QVERIFY2(apart(narrow, painted(cut)) < 20 && apart(narrow, painted(activity.text())) > 200,
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qPrintable(QString("%1 %2").arg(apart(narrow, painted(cut))).arg(apart(narrow, painted(activity.text())))));
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view.resize(2000, 520);
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QTest::qWait(30);
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QVERIFY(activity.width() >= activity.sizeHint().width());
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QVERIFY(apart(activity.grab().toImage().convertToFormat(QImage::Format_RGB32), painted(activity.text())) < 20);
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}
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void ContentViewStatusTests::everyToolHasItsHint()
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{
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const std::pair<NavigationTool, const char *> hints[] = {
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{NavigationTool::move, "Drag to move · Handles to resize · Circle to rotate · 1–0 layer opacity · Space to pan"},
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{NavigationTool::marquee, "Drag a rectangle · Shift add · Alt subtract · Shift again mid-drag square · Drag inside to move · Ctrl-drag moves pixels · Delete clears · Ctrl+D deselect"},
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{NavigationTool::lasso, "Drag to select · Drag inside to move · Shift add · Alt subtract · Delete clears · Alt+Backspace/Ctrl+Backspace fill · Ctrl+D deselect"},
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{NavigationTool::wand, "Click to select similar colors · Shift add · Alt subtract · Drag inside to move · Ctrl-drag moves pixels · Delete clears · Ctrl+D deselect"},
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{NavigationTool::crop, "Drag to crop · Enter apply · Escape cancel · Space to pan"},
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{NavigationTool::brush, "Drag to paint · [ ] size · Shift-[ ] hardness · 1–0 opacity · Escape cancel · Space to pan"},
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{NavigationTool::spotHealing, "Drag over blemishes to heal · [ ] size · Shift-[ ] hardness · Escape cancel · Space to pan"},
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{NavigationTool::cloneStamp, "Alt-click to set the source · Drag to clone · [ ] size · Shift-[ ] hardness · 1–0 opacity · Space to pan"},
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{NavigationTool::blur, "Drag to push pixels · [ ] size · Shift-[ ] hardness · 1–0 strength · Space to pan"},
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{NavigationTool::gradient, "Drag to draw · Drag ends to adjust · Shift 45° · 1–0 opacity · Enter apply · Escape cancel"},
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{NavigationTool::shape, "Drag to draw a shape on a new layer · Shift square · Alt from center · Shift-U or Tab for the next shape · Escape cancel · Space to pan"},
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{NavigationTool::type, "Drag a text box · Click text to edit · Drag box handles to resize · Ctrl+Return finish · Escape cancel"},
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{NavigationTool::eyedropper, "Click to zoom in · Alt-click to zoom out · Drag right or left to zoom smoothly · Space to pan"},
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{NavigationTool::hand, "Drag to pan · Pinch to zoom"},
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{NavigationTool::zoom, "Click to zoom in · Alt-click to zoom out · Drag right or left to zoom smoothly · Space to pan"},
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{NavigationTool::idle, "No tool selected · Press a tool's key to pick one · Space to pan"},
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};
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// Another tool's kind leaves a tool's words alone.
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QCOMPARE(ContentView::hint(NavigationTool::move, ToolIconKind::eraser), ContentView::hint(NavigationTool::move));
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QCOMPARE(ContentView::hint(NavigationTool::lasso, ToolIconKind::ellipse), ContentView::hint(NavigationTool::lasso));
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QCOMPARE(ContentView::hint(NavigationTool::marquee, ToolIconKind::polygonal), ContentView::hint(NavigationTool::marquee));
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EditorSession session;
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session.createDocument(8, 8);
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ContentView view(session);
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for (const auto &[tool, words] : hints) {
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session.selectTool(tool);
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QCOMPARE(find<QLabel>(view, "activityStatus").text(), QString::fromUtf8(words));
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}
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// The Shape's Shift follows its kind.
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session.selectTool(NavigationTool::shape);
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session.setShapeKind(ShapeKind::ellipse);
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QCOMPARE(find<QLabel>(view, "activityStatus").text(),
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QString("Drag to draw a shape on a new layer · Shift circle · Alt from center · Shift-U or Tab for the next shape · Escape cancel · Space to pan"));
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session.setShapeKind(ShapeKind::line);
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QVERIFY(find<QLabel>(view, "activityStatus").text().contains(QString("· Shift 45° ·")));
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QCOMPARE(ContentView::hint(NavigationTool::move, ToolIconKind::plain, BlurToolMode::liquify, ShapeKind::line), ContentView::hint(NavigationTool::move));
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}
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void ContentViewStatusTests::zoomPrintsAsSwiftPrintsIt()
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{
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QCOMPARE(ContentView::percent(1), QString("100%"));
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QCOMPARE(ContentView::percent(0.125), QString("12.5%"));
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QCOMPARE(ContentView::percent(1.0 / 3), QString("33.3%"));
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QCOMPARE(ContentView::percent(0.001), QString("0.1%"));
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QCOMPARE(ContentView::percent(16), QString("1,600%"));
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QCOMPARE(ContentView::percent(32), QString("3,200%"));
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QCOMPARE(ContentView::percent(0.9996), QString("100%"));
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}
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QTEST_MAIN(ContentViewStatusTests)
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#include "ContentViewStatusTests.moc"
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