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-rw-r--r--tests/manual/qscreen_xrandr/tst_qscreen_xrandr.cpp280
1 files changed, 280 insertions, 0 deletions
diff --git a/tests/manual/qscreen_xrandr/tst_qscreen_xrandr.cpp b/tests/manual/qscreen_xrandr/tst_qscreen_xrandr.cpp
new file mode 100644
index 0000000000..542214792c
--- /dev/null
+++ b/tests/manual/qscreen_xrandr/tst_qscreen_xrandr.cpp
@@ -0,0 +1,280 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include <qpainter.h>
+#include <qrasterwindow.h>
+#include <qscreen.h>
+#include <qpa/qwindowsysteminterface.h>
+#include <QProcess>
+
+#include <QtTest/QtTest>
+
+class tst_QScreen_Xrandr: public QObject
+{
+ Q_OBJECT
+
+private slots:
+ void xrandr_15_merge_and_unmerge();
+ void xrandr_15_scale();
+ void xrandr_15_off_and_on();
+ void xrandr_15_primary();
+ void xrandr_15_rotate();
+
+private:
+ void xrandr_process(const QStringList &arguments = {});
+};
+
+// this test requires an X11 desktop with at least two screens
+void tst_QScreen_Xrandr::xrandr_15_merge_and_unmerge()
+{
+ QStringList originalScreenNames;
+ QStringList mergedScreenNames;
+ {
+ QList<QScreen *> screens = QGuiApplication::screens();
+ if (screens.size() < 2)
+ QSKIP("This test requires two or more screens.");
+ qDebug() << "initial set of screens:" << screens.size();
+ for (QScreen *s : screens) {
+ qDebug() << "screen: " << s->name();
+ originalScreenNames << s->name();
+ if (mergedScreenNames.size() < 2)
+ mergedScreenNames << s->name();
+ }
+ }
+
+ QSignalSpy addedSpy(qApp, &QGuiApplication::screenAdded);
+ QSignalSpy removedSpy(qApp, &QGuiApplication::screenRemoved);
+
+ // combine the first two screens into one monitor
+ // e.g. "xrandr --setmonitor Qt-merged auto eDP,HDMI-0"
+ QStringList args;
+ args << "--setmonitor" << "Qt-merged" << "auto" << mergedScreenNames.join(',');
+ xrandr_process(args);
+
+ QTRY_COMPARE(removedSpy.count(), 2);
+ QVERIFY(QGuiApplication::screens().size() != originalScreenNames.size());
+ auto combinedScreens = QGuiApplication::screens();
+ qDebug() << "added" << addedSpy.count() << "removed" << removedSpy.count() << "combined screen(s):" << combinedScreens.size();
+ QScreen *merged = nullptr;
+ for (QScreen *s : combinedScreens) {
+ qDebug() << "screen: " << s->name();
+ if (s->name() == QLatin1String("Qt-merged"))
+ merged = s;
+ }
+ // the screen that we created must be in the list now
+ QVERIFY(merged);
+ QCOMPARE(QGuiApplication::screens().size(), originalScreenNames.size() - 1);
+ addedSpy.clear();
+ removedSpy.clear();
+
+ // "xrandr --delmonitor Qt-merged"
+ args.clear();
+ args << "--delmonitor" << "Qt-merged";
+ xrandr_process(args);
+
+ QTRY_COMPARE(removedSpy.count(), 1);
+ QVERIFY(QGuiApplication::screens().size() != combinedScreens.size());
+ auto separatedScreens = QGuiApplication::screens();
+ qDebug() << "added" << addedSpy.count() << "removed" << removedSpy.count() << "separated screen(s):" << separatedScreens.size();
+ for (QScreen *s : separatedScreens)
+ qDebug() << "screen: " << s->name();
+
+ QCOMPARE(QGuiApplication::screens().size(), originalScreenNames.size());
+}
+
+// try to scale the first screen to 1.5x1.5 and scale back to 1x1
+void tst_QScreen_Xrandr::xrandr_15_scale()
+{
+ QList<QScreen *> screens = QGuiApplication::screens();
+ if (screens.size() < 1)
+ QSKIP("This test requires at least one screen.");
+
+ QScreen *screen1 = screens.at(0);
+ QString name1 = screen1->name();
+ int height1 = screen1->size().height();
+ int width1 = screen1->size().width();
+ qDebug() << "screen " << name1 << ": height=" << height1 << ", width=" << width1;
+
+ int expectedHeight = height1 * 1.5;
+ int expectedWidth = width1 * 1.5;
+
+ QSignalSpy geometryChangedSpy1(screen1, &QScreen::geometryChanged);
+
+ // "xrandr --output name1 --scale 1.5x1.5"
+ QStringList args;
+ args << "--output" << name1 << "--scale" << "1.5x1.5";
+ xrandr_process(args);
+ QTRY_COMPARE(geometryChangedSpy1.count(), 1);
+
+ QList<QScreen *> screens2 = QGuiApplication::screens();
+ QVERIFY(screens2.size() >= 1);
+ QScreen *screen2 = nullptr;
+ for (QScreen *s : screens2) {
+ if (s->name() == name1)
+ screen2 = s;
+ }
+ int height2 = screen2->size().height();
+ int width2 = screen2->size().width();
+ qDebug() << "screen " << name1 << ": height=" << height2 << ", width=" << width2;
+ QVERIFY(height2 == expectedHeight);
+ QVERIFY(width2 == expectedWidth);
+
+ QSignalSpy geometryChangedSpy2(screen2, &QScreen::geometryChanged);
+
+ // "xrandr --output name1 --scale 1x1"
+ args.clear();
+ args << "--output" << name1 << "--scale" << "1x1";
+ xrandr_process(args);
+ QTRY_COMPARE(geometryChangedSpy2.count(), 1);
+
+ QList<QScreen *> screens3 = QGuiApplication::screens();
+ QVERIFY(screens3.size() >= 1);
+ QScreen *screen3 = nullptr;
+ for (QScreen *s : screens3) {
+ if (s->name() == name1)
+ screen3 = s;
+ }
+ int height3 = screen3->size().height();
+ int width3 = screen3->size().width();
+ qDebug() << "screen " << name1 << ": height=" << height3 << ", width=" << width3;
+ QVERIFY(height3 == height1);
+ QVERIFY(width3 == width1);
+}
+
+void tst_QScreen_Xrandr::xrandr_15_off_and_on()
+{
+ QList<QScreen *> screens = QGuiApplication::screens();
+ int ss = screens.size();
+ if (ss < 1)
+ QSKIP("This test requires at least one screen.");
+
+ QStringList names;
+ for (QScreen *s : screens)
+ names << s->name();
+
+ QStringList args;
+ for (int i = ss; i > 0; i--) {
+ QString name = names.at(i-1);
+ qDebug() << "i=" << i << ", name:" << name;
+ args.clear();
+ args << "--output" << name << "--off";
+ xrandr_process(args);
+ QTest::qWait(500);
+
+ QVERIFY(QGuiApplication::screens().size() == (i != 1 ? i - 1 : i));
+ }
+
+ for (int i = ss; i > 0; i--) {
+ QString name = names.at(i-1);
+ qDebug() << "i=" << i << ", name:" << name;
+ args.clear();
+ args << "--output" << name << "--auto";
+ xrandr_process(args);
+ QTest::qWait(500);
+
+ QVERIFY(QGuiApplication::screens().size() == (i == ss ? 1 : ss - i + 1));
+ }
+}
+
+void tst_QScreen_Xrandr::xrandr_15_primary()
+{
+ QList<QScreen *> screens = QGuiApplication::screens();
+ int ss = screens.size();
+ if (ss < 2)
+ QSKIP("This test requires at least two screens.");
+
+ QStringList names;
+ for (QScreen *s : screens)
+ names << s->name();
+
+ qDebug() << "All screens: " << names;
+ QScreen *ps = qGuiApp->primaryScreen();
+ qDebug() << "Current primary screen: " << ps;
+
+ QStringList args;
+ for (QString name : names) {
+ qDebug() << "Trying to set primary screen:" << name;
+ args.clear();
+ args << "--output" << name << "--primary";
+ xrandr_process(args);
+ QTest::qWait(500);
+
+ QScreen *ps = qGuiApp->primaryScreen();
+ qDebug() << "Current primary screen: " << ps;
+ if (ps) {
+ qDebug() << "primary screen name: " << ps->name();
+ QVERIFY(ps->name() == name);
+ }
+ }
+}
+
+void tst_QScreen_Xrandr::xrandr_15_rotate()
+{
+ QList<QScreen *> screens = QGuiApplication::screens();
+ int ss = screens.size();
+ if (ss < 1)
+ QSKIP("This test requires at least one screen.");
+
+ QScreen *screen1 = screens.at(0);
+ QString name1 = screen1->name();
+ int height1 = screen1->size().height();
+ int width1 = screen1->size().width();
+ qDebug() << "screen " << name1 << ": height=" << height1 << ", width=" << width1;
+
+ int expectedHeight = width1;
+ int expectedWidth = height1;
+
+ QSignalSpy geometryChangedSpy1(screen1, &QScreen::geometryChanged);
+
+ // "xrandr --output name1 --rotate left"
+ QStringList args;
+ args << "--output" << name1 << "--rotate" << "left";
+ xrandr_process(args);
+ QTRY_COMPARE(geometryChangedSpy1.count(), 1);
+
+ QList<QScreen *> screens2 = QGuiApplication::screens();
+ QVERIFY(screens2.size() >= 1);
+ QScreen *screen2 = nullptr;
+ for (QScreen *s : screens2) {
+ if (s->name() == name1)
+ screen2 = s;
+ }
+ int height2 = screen2->size().height();
+ int width2 = screen2->size().width();
+ qDebug() << "screen " << name1 << ": height=" << height2 << ", width=" << width2;
+ QVERIFY(height2 == expectedHeight);
+ QVERIFY(width2 == expectedWidth);
+
+ QSignalSpy geometryChangedSpy2(screen2, &QScreen::geometryChanged);
+
+ // "xrandr --output name1 --rotate normal"
+ args.clear();
+ args << "--output" << name1 << "--rotate" << "normal";
+ xrandr_process(args);
+ QTRY_COMPARE(geometryChangedSpy2.count(), 1);
+
+ QList<QScreen *> screens3 = QGuiApplication::screens();
+ QVERIFY(screens3.size() >= 1);
+ QScreen *screen3 = nullptr;
+ for (QScreen *s : screens3) {
+ if (s->name() == name1)
+ screen3 = s;
+ }
+ int height3 = screen3->size().height();
+ int width3 = screen3->size().width();
+ qDebug() << "screen " << name1 << ": height=" << height3 << ", width=" << width3;
+ QVERIFY(height3 == height1);
+ QVERIFY(width3 == width1);
+}
+
+void tst_QScreen_Xrandr::xrandr_process(const QStringList &args)
+{
+ QString prog = "xrandr";
+ QProcess *process = new QProcess(this);
+ qDebug() << Q_FUNC_INFO << prog << args;
+ process->start(prog, args);
+ QVERIFY(process->waitForFinished());
+}
+
+#include <tst_qscreen_xrandr.moc>
+QTEST_MAIN(tst_QScreen_Xrandr);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-07 20:46:33 +0000