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 "Document/ProjectWorkspace.h"
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#include "SelectionFixtures.h"
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#include "SessionFixtures.h"
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#include <QTemporaryDir>
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#include <QtTest>
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// Swift's ProjectWorkspaceTests, then the tabs' own rules.
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namespace {
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ImportedImage white()
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{
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QImage image(1, 1, QImage::Format_RGBA8888_Premultiplied);
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image.fill(Qt::white);
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return ImportedImage(image, QImage(), "White");
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}
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QList<QUuid> ids(const std::vector<std::shared_ptr<ProjectTab>> &tabs)
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{
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QList<QUuid> result;
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for (const std::shared_ptr<ProjectTab> &tab : tabs)
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result << tab->id;
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return result;
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}
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int layerCount(const ProjectTab &tab)
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{
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return int(tab.session.document().value().layers.size());
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}
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}
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class ProjectWorkspaceTests : public QObject {
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Q_OBJECT
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private slots:
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void newCanvasOpensAnEmptyTabWithoutAModal();
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void layerDropProviderCopiesIntoANewProject();
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void tabsKeepIndependentDocumentsAndUndo();
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void crossProjectCopyRemapsIdentityAndHasIndependentUndo();
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void dockCreatesTabsAndTargetedImportUsesExistingTab();
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void quitAsksAboutTheActiveTabFirst();
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void tabsAreNamedAndOnlyTheFirstSkipsTheClipboard();
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void selectingEndsATransformAndRefusesWhatItMust();
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void removingATabSelectsItsNeighbour();
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void everyChangeIsAnnouncedAndRefusalsAreSilent();
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void aDropThatIsNoLayerIdIsIgnored();
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void anOpenFilterHoldsTheSwitch();
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};
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void ProjectWorkspaceTests::newCanvasOpensAnEmptyTabWithoutAModal()
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{
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ProjectWorkspace workspace;
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ProjectTab &original = workspace.current();
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original.session.createDocument(4000, 3000);
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workspace.newCanvas();
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QCOMPARE(int(workspace.tabs().size()), 2);
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QVERIFY(&workspace.current() != &original);
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QVERIFY(!workspace.current().session.document().has_value());
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QVERIFY(!workspace.current().session.showsNewDocument());
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QVERIFY(workspace.canSwitch());
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QCOMPARE(original.session.document().value().width, 4000);
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workspace.newCanvas();
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QCOMPARE(int(workspace.tabs().size()), 3);
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QVERIFY(!workspace.current().session.showsNewDocument());
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// Beside a single empty tab too, a new tab.
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ProjectWorkspace fresh;
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fresh.newCanvas();
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QCOMPARE(int(fresh.tabs().size()), 2);
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// The tab that is left ends its transform.
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ProjectTab &drawn = fresh.current();
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drawn.session.createDocument(8, 8);
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drawn.session.insert(white());
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drawn.session.beginTransform();
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LayerTransform moved = drawn.session.transformEdit().value().draft;
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moved.origin += QPointF(0, 2);
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drawn.session.previewTransform(moved);
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fresh.newCanvas();
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QCOMPARE(int(fresh.tabs().size()), 3);
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QVERIFY(!drawn.session.transformEdit().has_value());
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QCOMPARE(drawn.session.document().value().layers.front().transform.origin, moved.origin);
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}
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void ProjectWorkspaceTests::layerDropProviderCopiesIntoANewProject()
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{
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ProjectWorkspace workspace;
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ProjectTab &source = workspace.current();
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source.session.createDocument(100, 100);
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source.session.insert(white());
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const QUuid id = source.session.activeLayerID().value();
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QMimeData provider;
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provider.setData(ProjectWorkspace::layerType, uuidString(id).toUtf8());
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bool done = false;
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workspace.receiveProviders(provider, std::nullopt, std::nullopt, [&] { done = true; });
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QTRY_VERIFY(done);
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QCOMPARE(int(workspace.tabs().size()), 2);
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QVERIFY(workspace.current().id != source.id);
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QCOMPARE(layerCount(workspace.current()), 1);
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QVERIFY(workspace.current().session.activeLayerID().value() != id);
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QCOMPARE(source.session.document().value().layers.front().id, id);
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}
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void ProjectWorkspaceTests::tabsKeepIndependentDocumentsAndUndo()
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{
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ProjectWorkspace workspace;
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ProjectTab &first = workspace.current();
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first.session.createDocument(4000, 4000);
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first.session.addBlankLayer();
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ProjectTab &second = workspace.addTab();
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second.session.createDocument(640, 480);
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second.session.addBlankLayer();
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second.session.undo();
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QCOMPARE(layerCount(first), 1);
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QCOMPARE(layerCount(second), 0);
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workspace.select(first.id);
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QCOMPARE(&workspace.current(), &first);
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QCOMPARE(first.session.document().value().width, 4000);
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const QUuid firstID = first.id;
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workspace.removeTab(second.id);
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QCOMPARE(&workspace.current(), &first);
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workspace.removeTab(firstID);
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QVERIFY(workspace.tabs().size() == 1 && !workspace.current().session.document().has_value());
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}
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void ProjectWorkspaceTests::crossProjectCopyRemapsIdentityAndHasIndependentUndo()
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{
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ProjectWorkspace workspace;
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ProjectTab &first = workspace.current();
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first.session.createDocument(100, 100);
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first.session.insert(white());
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const QUuid original = first.session.activeLayerID().value();
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ProjectTab &second = workspace.addTab();
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second.session.createDocument(200, 200);
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bool done = false;
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workspace.copyLayer(original, second.id, std::nullopt, [&] { done = true; });
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QTRY_VERIFY(done);
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const ImageLayer copied = second.session.document().value().layers.front();
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QVERIFY(copied.id != original);
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QCOMPARE(copied.transform.center(), QPointF(100, 100));
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QCOMPARE(layerCount(first), 1);
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second.session.undo();
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QCOMPARE(layerCount(second), 0);
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QCOMPARE(layerCount(first), 1);
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second.session.redo();
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QCOMPARE(second.session.document().value().layers.front().id, copied.id);
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}
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void ProjectWorkspaceTests::dockCreatesTabsAndTargetedImportUsesExistingTab()
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{
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QTemporaryDir folder;
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QImage picture(4, 2, QImage::Format_RGBA8888);
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picture.fill(Qt::green);
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QVERIFY(picture.save(folder.filePath("Picture.png")));
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const QUrl url = QUrl::fromLocalFile(folder.filePath("Picture.png"));
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ProjectWorkspace workspace;
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bool done = false;
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workspace.receive({url, url}, std::nullopt, std::nullopt, [&] { done = true; });
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QTRY_VERIFY(done);
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QCOMPARE(int(workspace.tabs().size()), 2);
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const std::shared_ptr<ProjectTab> first = workspace.tabs()[0];
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done = false;
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workspace.receive({url}, first->id, std::nullopt, [&] { done = true; });
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QTRY_VERIFY(done);
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QCOMPARE(int(workspace.tabs().size()), 2);
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QCOMPARE(&workspace.current(), first.get());
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QCOMPARE(layerCount(*first), 2);
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QCOMPARE(layerCount(*workspace.tabs()[1]), 1);
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}
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void ProjectWorkspaceTests::quitAsksAboutTheActiveTabFirst()
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{
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ProjectWorkspace workspace;
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const QUuid first = workspace.current().id;
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const QUuid second = workspace.addTab(false).id, third = workspace.addTab(false).id;
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workspace.select(second);
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QCOMPARE(ids(workspace.quitOrder()), (QList<QUuid>{second, first, third}));
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workspace.select(third);
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QCOMPARE(ids(workspace.quitOrder()), (QList<QUuid>{third, first, second}));
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workspace.select(first);
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QCOMPARE(ids(workspace.quitOrder()), (QList<QUuid>{first, second, third}));
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}
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void ProjectWorkspaceTests::tabsAreNamedAndOnlyTheFirstSkipsTheClipboard()
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{
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ProjectWorkspace workspace;
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ProjectTab &first = workspace.current();
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QCOMPARE(first.title(), QString("Untitled"));
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QVERIFY(first.session.skipsInitialClipboardCanvasSize);
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QVERIFY(first.controller.workspace == &workspace);
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// A single empty tab is reused unless told otherwise.
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QCOMPARE(&workspace.addTab(), &first);
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QWidget window;
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workspace.window = &window;
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ProjectTab &second = workspace.addTab(false);
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ProjectTab &third = workspace.addTab();
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QCOMPARE(second.title(), QString("Untitled 2"));
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QCOMPARE(third.title(), QString("Untitled 3"));
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QVERIFY(!second.session.skipsInitialClipboardCanvasSize && !third.session.skipsInitialClipboardCanvasSize);
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QVERIFY(second.controller.workspace == &workspace && second.controller.window == &window);
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QCOMPARE(workspace.selectedID(), third.id);
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// A saved project goes by its file's name without suffix.
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third.session.setProjectPath(QString("/somewhere/My.Trip.comp"));
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QCOMPARE(third.title(), QString("My.Trip"));
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// Like Swift: a first or last dot cuts nothing.
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const auto titled = [&](const QString &path) {
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third.session.setProjectPath(path);
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return third.title();
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};
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QCOMPARE(titled("/somewhere/.comp"), QString(".comp"));
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QCOMPARE(titled("/somewhere/.hidden.comp"), QString(".hidden"));
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QCOMPARE(titled("/somewhere/Plain"), QString("Plain"));
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QCOMPARE(titled("/somewhere/Ends."), QString("Ends."));
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QCOMPARE(ProjectTab::nameWithoutSuffix("/somewhere/.comp"), QString(".comp"));
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// One tab with a canvas is not reused.
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ProjectWorkspace drawn;
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drawn.current().session.createDocument(8, 8);
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QVERIFY(&drawn.addTab() != drawn.tabs()[0].get());
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QCOMPARE(int(drawn.tabs().size()), 2);
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}
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void ProjectWorkspaceTests::selectingEndsATransformAndRefusesWhatItMust()
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{
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ProjectWorkspace workspace;
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ProjectTab &first = workspace.current();
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first.session.createDocument(8, 8);
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first.session.insert(white());
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ProjectTab &second = workspace.addTab();
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QWidget window;
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workspace.window = &window;
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QSignalSpy changes(&workspace, &ProjectWorkspace::changed);
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// The tab in front, a stranger: nothing to do.
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workspace.select(second.id);
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workspace.select(QUuid::createUuid());
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QCOMPARE(changes.count(), 0);
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// The tab that is left ends its transform.
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second.session.createDocument(8, 8);
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second.session.insert(white());
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second.session.beginTransform();
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LayerTransform moved = second.session.transformEdit().value().draft;
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moved.origin += QPointF(3, 0);
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second.session.previewTransform(moved);
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workspace.select(first.id);
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QCOMPARE(changes.count(), 1);
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QCOMPARE(workspace.selectedID(), first.id);
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QVERIFY(!second.session.transformEdit().has_value());
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QCOMPARE(second.session.document().value().layers.front().transform.origin, moved.origin);
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// The window goes to the tab that comes forward.
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QVERIFY(first.controller.window == &window && second.controller.window == nullptr);
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// A busy project in front holds the switch.
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first.session.setIsProjectBusy(true);
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QVERIFY(!workspace.canSwitch());
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workspace.select(second.id);
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workspace.newCanvas();
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QCOMPARE(workspace.selectedID(), first.id);
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QCOMPARE(int(workspace.tabs().size()), 2);
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QCOMPARE(changes.count(), 1);
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}
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void ProjectWorkspaceTests::removingATabSelectsItsNeighbour()
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{
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ProjectWorkspace workspace;
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const QUuid a = workspace.current().id;
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const QUuid b = workspace.addTab(false).id, c = workspace.addTab(false).id, d = workspace.addTab(false).id;
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// Not in front: the selection stays.
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workspace.removeTab(b);
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QCOMPARE(ids(workspace.tabs()), (QList<QUuid>{a, c, d}));
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QCOMPARE(workspace.selectedID(), d);
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// The last one in front: the new last takes over.
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workspace.removeTab(d);
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QCOMPARE(workspace.selectedID(), c);
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// The first in front: what slides into its place.
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workspace.select(a);
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workspace.removeTab(a);
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QCOMPARE(workspace.selectedID(), c);
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workspace.removeTab(QUuid::createUuid());
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QCOMPARE(ids(workspace.tabs()), (QList<QUuid>{c}));
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// The very last tab leaves a fresh one behind.
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workspace.removeTab(c);
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QCOMPARE(int(workspace.tabs().size()), 1);
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QVERIFY(workspace.current().id != c);
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QCOMPARE(workspace.current().title(), QString("Untitled 5"));
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}
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void ProjectWorkspaceTests::everyChangeIsAnnouncedAndRefusalsAreSilent()
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{
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ProjectWorkspace workspace;
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QSignalSpy changes(&workspace, &ProjectWorkspace::changed);
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const auto announced = [&](const std::function<void()> &change) {
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const qsizetype before = changes.count();
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change();
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return changes.count() > before;
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};
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QVERIFY(!announced([&] { workspace.addTab(); }));
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QVERIFY(announced([&] { workspace.addTab(false); }));
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QVERIFY(announced([&] { workspace.newCanvas(); }));
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const QUuid first = workspace.tabs()[0]->id;
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QVERIFY(announced([&] { workspace.select(first); }));
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QVERIFY(!announced([&] { workspace.select(first); }));
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QVERIFY(!announced([&] { workspace.removeTab(QUuid::createUuid()); }));
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QVERIFY(announced([&] { workspace.removeTab(first); }));
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// What the last signal sees is what the call leaves.
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QList<QUuid> seen;
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connect(&workspace, &ProjectWorkspace::changed, this, [&] { seen = ids(workspace.tabs()) << workspace.selectedID(); });
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workspace.addTab(false);
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QCOMPARE(seen, ids(workspace.tabs()) << workspace.selectedID());
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workspace.removeTab(workspace.selectedID());
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QCOMPARE(seen, ids(workspace.tabs()) << workspace.selectedID());
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}
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void ProjectWorkspaceTests::aDropThatIsNoLayerIdIsIgnored()
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{
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ProjectWorkspace workspace;
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workspace.current().session.createDocument(8, 8);
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workspace.current().session.insert(white());
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QSignalSpy changes(&workspace, &ProjectWorkspace::changed);
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const auto dropped = [&](const QString &type, const QByteArray &payload) {
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QMimeData provider;
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provider.setData(type, payload);
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bool done = false;
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workspace.receiveProviders(provider, std::nullopt, std::nullopt, [&] { done = true; });
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return QTest::qWaitFor([&] { return done; }, 10'000);
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};
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const QByteArray id = uuidString(workspace.current().session.activeLayerID().value()).toUtf8();
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QVERIFY(dropped(ProjectWorkspace::layerType, "not an id"));
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QVERIFY(dropped(ProjectWorkspace::layerType, id.left(20)));
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QVERIFY(dropped(ProjectWorkspace::layerType, uuidString(QUuid::createUuid()).toUtf8()));
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QCOMPARE(int(workspace.tabs().size()), 1);
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QCOMPARE(changes.count(), 0);
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// Under another type it is no row: nothing there reads.
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QVERIFY(dropped("text/plain", id));
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QVERIFY(workspace.current().session.importError().value().startsWith("Some dropped items couldn’t be read."));
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workspace.current().session.setImportError(std::nullopt);
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QCOMPARE(int(workspace.tabs().size()), 1);
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// Neither white space around the id nor lower case matters.
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QVERIFY(dropped(ProjectWorkspace::layerType, " " + id.toLower() + "\n"));
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QCOMPARE(int(workspace.tabs().size()), 2);
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}
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void ProjectWorkspaceTests::anOpenFilterHoldsTheSwitch()
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{
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ProjectWorkspace workspace;
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EditorSession &session = workspace.current().session;
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session.createDocument(8, 8, true);
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QImage image(8, 8, QImage::Format_RGBA8888_Premultiplied);
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image.fill(Qt::white);
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session.insert(ImportedImage(image, image, "White"));
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session.applySelection(rectPath(QRectF(2, 2, 2, 2)), SelectionMode::replace, "Select");
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QVERIFY(workspace.canSwitch());
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session.beginFilter(FilterKind::contentAwareFill);
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QVERIFY(!workspace.canSwitch());
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session.cancelFilter();
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QVERIFY(workspace.canSwitch());
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// So does a pixel move under way.
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QVERIFY(session.beginPixelMove());
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QVERIFY(!workspace.canSwitch());
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session.cancelPixelMove();
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QVERIFY(workspace.canSwitch());
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// And an open colour picker.
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session.openColorPicker(false);
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QVERIFY(!workspace.canSwitch());
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session.closeColorPicker(false);
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QVERIFY(workspace.canSwitch());
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}
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QTEST_MAIN(ProjectWorkspaceTests)
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#include "ProjectWorkspaceTests.moc"
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