133 lines
5.7 KiB
C++
133 lines
5.7 KiB
C++
#include "UI/ProjectTabs.h"
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#include <QFontMetricsF>
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#include <QToolButton>
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#include <QtTest>
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// Swift 1.2.4's steady tab strip: fixed widths, a kept offset.
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namespace {
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QToolButton &select(ProjectTabButton &button)
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{
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return *button.findChild<QToolButton *>(QStringLiteral("selectTab"));
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}
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// Swift's projectTabLabelWidth, from the font Swift names.
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int label(const QString &title, bool active)
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{
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QFont font;
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font.setPixelSize(12);
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font.setWeight(active ? QFont::DemiBold : QFont::Medium);
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return int(std::min(155.0, std::max(35.0, std::ceil(QFontMetricsF(font).horizontalAdvance(title)))));
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}
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}
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class ProjectTabStripTests : public QObject {
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Q_OBJECT
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private slots:
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void eachTabIsAsWideAsItsTitle();
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void aTitleMovesOnlyTheTabsAfterIt();
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void theBlankStartTabHasNoCloseButton();
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};
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void ProjectTabStripTests::eachTabIsAsWideAsItsTitle()
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{
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ProjectWorkspace workspace;
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workspace.current().session.setProjectPath(QStringLiteral("/p/Ab.comp"));
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workspace.newCanvas();
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workspace.current().session.setProjectPath(QStringLiteral("/p/A title long enough to pass the pill's widest width.comp"));
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workspace.newCanvas();
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ProjectTabStrip strip(workspace);
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const QList<ProjectTabButton *> buttons = strip.buttons();
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QCOMPARE(buttons.size(), 3);
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// Short: 35 at least. Long: 155, elided. Front: semibold.
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QCOMPARE(select(*buttons[0]).width(), 35 + 8);
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QCOMPARE(select(*buttons[1]).width(), 155 + 8);
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QVERIFY(select(*buttons[1]).text().endsWith(QChar(0x2026)));
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QCOMPARE(select(*buttons[2]).width(), label(QStringLiteral("Untitled"), true) + 8);
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QCOMPARE(select(*buttons[2]).text(), QString("Untitled"));
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// Swift's pill: label, 11 before, 8 after, 16, 5.
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buttons[2]->adjustSize();
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QCOMPARE(buttons[2]->width(), label(QStringLiteral("Untitled"), true) + 40);
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// The dot: 10 for the title, its character's own width.
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workspace.current().session.createDocument(8, 8);
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workspace.current().session.addBlankLayer();
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QVERIFY(workspace.current().session.isModified());
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const QFontMetrics metrics(select(*buttons[2]).font());
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QCOMPARE(select(*buttons[2]).text(), QString("● Untitled"));
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QCOMPARE(select(*buttons[2]).width(), label(QStringLiteral("Untitled"), true) + 10 + 8 + metrics.horizontalAdvance(QStringLiteral("● ")) - 10);
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// An unsaved long title elides within Swift's width less 10.
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workspace.select(workspace.tabs()[1]->id);
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workspace.current().session.createDocument(8, 8);
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workspace.current().session.addBlankLayer();
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const QString long_ = workspace.current().title();
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const QFontMetrics bold(select(*buttons[1]).font());
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QCOMPARE(select(*buttons[1]).text(), QStringLiteral("● ") + bold.elidedText(long_, Qt::ElideRight, 145));
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// Chosen, a tab's weight changes its width.
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workspace.select(workspace.tabs()[0]->id);
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QCOMPARE(select(*buttons[2]).width(), label(QStringLiteral("Untitled"), false) + 10 + 8 + QFontMetrics(select(*buttons[2]).font()).horizontalAdvance(QStringLiteral("● ")) - 10);
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}
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void ProjectTabStripTests::aTitleMovesOnlyTheTabsAfterIt()
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{
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ProjectWorkspace workspace;
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workspace.newCanvas();
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workspace.newCanvas();
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ProjectTabStrip strip(workspace);
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strip.resize(1000, 34);
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strip.show();
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QVERIFY(QTest::qWaitForWindowExposed(&strip));
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const QList<ProjectTabButton *> buttons = strip.buttons();
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// Swift's leading label: a short title's ink starts left.
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workspace.tabs()[0]->session.setProjectPath(QStringLiteral("/p/I.comp"));
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QToolButton &title = select(*buttons[0]);
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QTRY_COMPARE(title.text(), QString("I"));
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const QImage drawn = title.grab().toImage();
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const QColor ground = drawn.pixelColor(title.width() - 3, 2);
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int left = drawn.width();
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for (int y = 0; y < drawn.height(); ++y) {
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for (int x = 0; x < drawn.width(); ++x) {
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if (drawn.pixelColor(x, y) != ground)
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left = std::min(left, x);
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}
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}
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QVERIFY2(left <= 3 && title.width() == 43, qPrintable(QString::number(left)));
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QTRY_COMPARE(buttons[0]->width(), 35 + 40);
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QTRY_COMPARE(buttons[1]->x(), 75 + 6);
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const int first = buttons[0]->x(), second = buttons[1]->x(), third = buttons[2]->x();
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QCOMPARE(first, 0);
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workspace.tabs()[1]->session.setProjectPath(QStringLiteral("/p/A much longer title here.comp"));
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QTRY_VERIFY(buttons[2]->x() > third);
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QCOMPARE(buttons[0]->x(), first);
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QCOMPARE(buttons[1]->x(), second);
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// Tabs sit six apart.
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QCOMPARE(buttons[1]->x() - (buttons[0]->x() + buttons[0]->width()), 6);
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}
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// Swift 1.4.9: the pill closes up round its name.
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void ProjectTabStripTests::theBlankStartTabHasNoCloseButton()
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{
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ProjectWorkspace workspace;
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ProjectTabStrip strip(workspace);
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strip.resize(1000, 34);
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strip.show();
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QVERIFY(QTest::qWaitForWindowExposed(&strip));
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ProjectTabButton &only = *strip.buttons()[0];
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QToolButton &close = *only.findChild<QToolButton *>(QStringLiteral("closeTab"));
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const int width = label(QStringLiteral("Untitled"), true);
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QVERIFY(close.isHidden());
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QTRY_COMPARE(only.width(), width + 22);
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QCOMPARE(select(only).width(), width + 11);
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// A document gives it something to close.
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workspace.current().session.createDocument(8, 8);
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QVERIFY(!close.isHidden());
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// Round the title: 11 before; 16 and 5 after.
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QTRY_COMPARE(only.width() - select(only).width(), 11 + 16 + 5);
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// A second tab makes either closable.
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workspace.current().session.clearProject();
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QVERIFY(close.isHidden());
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workspace.addTab(false);
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QVERIFY(!close.isHidden() && !strip.buttons()[1]->findChild<QToolButton *>(QStringLiteral("closeTab"))->isHidden());
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}
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QTEST_MAIN(ProjectTabStripTests)
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#include "ProjectTabStripTests.moc"
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