2014-04-17 19:33:11 +04:00
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/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2014 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "../screens_xrandr.h"
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#include "../cursor.h"
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#include "../xcbutils.h"
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#include "mock_workspace.h"
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// Qt
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#include <QtTest/QtTest>
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2014-12-05 13:42:15 +03:00
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Q_LOGGING_CATEGORY(KWIN_CORE, "kwin_core")
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2014-04-17 19:33:11 +04:00
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// mocking
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namespace KWin
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{
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QPoint Cursor::pos()
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{
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return QPoint(0, 0);
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}
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} // namespace KWin
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static xcb_window_t s_rootWindow = XCB_WINDOW_NONE;
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static xcb_connection_t *s_connection = nullptr;
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xcb_connection_t *QX11Info::connection()
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{
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return s_connection;
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}
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using namespace KWin;
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using namespace KWin::Xcb;
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class TestXRandRScreens : public QObject
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{
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Q_OBJECT
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private Q_SLOTS:
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void initTestCase();
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void cleanupTestCase();
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void testStartup();
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void testChange();
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void testMultipleChanges();
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private:
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QScopedPointer<QProcess> m_xserver;
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};
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void TestXRandRScreens::initTestCase()
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{
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// TODO: turn into init instead of initTestCase
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// needs to be initTestCase as KWin::connection caches the first created xcb_connection_t
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// thus changing X server for each test run would create problems
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qsrand(QDateTime::currentMSecsSinceEpoch());
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// first reset just to be sure
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s_connection = nullptr;
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s_rootWindow = XCB_WINDOW_NONE;
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// start X Server
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m_xserver.reset(new QProcess);
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// randomize the display id in [1, 98]
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// 0 is not used because it conflicts with "normal" X server
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// 99 is not used because it's used by KDE's CI infrastructure
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const QString id = QStringLiteral(":") + QString::number((qrand() % 98) + 1);
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// using Xephyr as Xvfb doesn't support render extension
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m_xserver->start(QStringLiteral("Xephyr"), QStringList() << id);
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QVERIFY(m_xserver->waitForStarted());
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QCOMPARE(m_xserver->state(), QProcess::Running);
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// give it some time before we open the X Display
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2014-12-01 12:53:40 +03:00
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QTest::qWait(500);
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2014-04-17 19:33:11 +04:00
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// create X connection
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int screen = 0;
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s_connection = xcb_connect(qPrintable(id), &screen);
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QVERIFY(s_connection);
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// set root window
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xcb_screen_iterator_t iter = xcb_setup_roots_iterator(xcb_get_setup(s_connection));
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for (xcb_screen_iterator_t it = xcb_setup_roots_iterator(xcb_get_setup(s_connection));
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it.rem;
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--screen, xcb_screen_next(&it)) {
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if (screen == 0) {
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s_rootWindow = iter.data->root;
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break;
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}
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}
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QVERIFY(s_rootWindow != XCB_WINDOW_NONE);
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2015-02-18 10:31:53 +03:00
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qApp->setProperty("x11RootWindow", QVariant::fromValue<quint32>(s_rootWindow));
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2014-04-17 19:33:11 +04:00
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// get the extensions
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if (!Extensions::self()->isRandrAvailable()) {
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QSKIP("XRandR extension required");
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}
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for (const auto &extension : Extensions::self()->extensions()) {
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if (extension.name == QByteArrayLiteral("RANDR")) {
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if (extension.version < 1 * 0x10 + 4) {
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QSKIP("At least XRandR 1.4 required");
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}
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}
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}
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}
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void TestXRandRScreens::cleanupTestCase()
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{
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Extensions::destroy();
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// close connection
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xcb_disconnect(s_connection);
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s_connection = nullptr;
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s_rootWindow = XCB_WINDOW_NONE;
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// kill X
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m_xserver->terminate();
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m_xserver->waitForFinished();
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}
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void TestXRandRScreens::testStartup()
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{
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KWin::MockWorkspace ws;
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QScopedPointer<XRandRScreens> screens(new XRandRScreens(this));
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QVERIFY(screens->eventType() != 0);
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QCOMPARE(screens->eventType(), Xcb::Extensions::self()->randrNotifyEvent());
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QCOMPARE(screens->extension(), 0);
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QCOMPARE(screens->genericEventType(), 0);
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screens->init();
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QRect xephyrDefault = QRect(0, 0, 640, 480);
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QCOMPARE(screens->count(), 1);
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QCOMPARE(screens->geometry(0), xephyrDefault);
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QCOMPARE(screens->geometry(1), QRect());
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QCOMPARE(screens->geometry(-1), QRect());
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QCOMPARE(static_cast<Screens*>(screens.data())->geometry(), xephyrDefault);
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QCOMPARE(screens->size(0), xephyrDefault.size());
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QCOMPARE(screens->size(1), QSize());
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QCOMPARE(screens->size(-1), QSize());
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QCOMPARE(static_cast<Screens*>(screens.data())->size(), xephyrDefault.size());
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// unfortunately we only have one output, so let's try at least to test somewhat
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QCOMPARE(screens->number(QPoint(0, 0)), 0);
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QCOMPARE(screens->number(QPoint(639, 479)), 0);
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QCOMPARE(screens->number(QPoint(1280, 1024)), 0);
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// let's change the mode
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RandR::CurrentResources resources(s_rootWindow);
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auto *crtcs = resources.crtcs();
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auto *modes = xcb_randr_get_screen_resources_current_modes(resources.data());
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auto *outputs = xcb_randr_get_screen_resources_current_outputs(resources.data());
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RandR::SetCrtcConfig setter(crtcs[0], resources->timestamp, resources->config_timestamp, 0, 0, modes[0].id, XCB_RANDR_ROTATION_ROTATE_0, 1, outputs);
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QVERIFY(!setter.isNull());
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// now let's recreate the XRandRScreens
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screens.reset(new XRandRScreens(this));
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screens->init();
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QRect geo = QRect(0, 0, modes[0].width, modes[0].height);
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QCOMPARE(screens->count(), 1);
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QCOMPARE(screens->geometry(0), geo);
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QCOMPARE(static_cast<Screens*>(screens.data())->geometry(), geo);
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QCOMPARE(screens->size(0), geo.size());
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QCOMPARE(static_cast<Screens*>(screens.data())->size(), geo.size());
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}
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void TestXRandRScreens::testChange()
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{
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KWin::MockWorkspace ws;
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QScopedPointer<XRandRScreens> screens(new XRandRScreens(this));
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screens->init();
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// create some signal spys
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QSignalSpy changedSpy(screens.data(), SIGNAL(changed()));
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QVERIFY(changedSpy.isValid());
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QVERIFY(changedSpy.isEmpty());
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QVERIFY(changedSpy.wait());
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changedSpy.clear();
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QSignalSpy geometrySpy(screens.data(), SIGNAL(geometryChanged()));
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QVERIFY(geometrySpy.isValid());
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QVERIFY(geometrySpy.isEmpty());
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QSignalSpy sizeSpy(screens.data(), SIGNAL(sizeChanged()));
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QVERIFY(sizeSpy.isValid());
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QVERIFY(sizeSpy.isEmpty());
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// clear the event loop
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while (xcb_generic_event_t *e = xcb_poll_for_event(s_connection)) {
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free(e);
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}
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// let's change
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RandR::CurrentResources resources(s_rootWindow);
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auto *crtcs = resources.crtcs();
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auto *modes = xcb_randr_get_screen_resources_current_modes(resources.data());
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auto *outputs = xcb_randr_get_screen_resources_current_outputs(resources.data());
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RandR::SetCrtcConfig setter(crtcs[0], resources->timestamp, resources->config_timestamp, 0, 0, modes[1].id, XCB_RANDR_ROTATION_ROTATE_0, 1, outputs);
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xcb_flush(s_connection);
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QVERIFY(!setter.isNull());
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QVERIFY(setter->status == XCB_RANDR_SET_CONFIG_SUCCESS);
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xcb_generic_event_t *e = xcb_wait_for_event(s_connection);
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screens->event(e);
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free(e);
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QVERIFY(changedSpy.wait());
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QCOMPARE(changedSpy.size(), 1);
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QCOMPARE(sizeSpy.size(), 1);
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QCOMPARE(geometrySpy.size(), 1);
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QRect geo = QRect(0, 0, modes[1].width, modes[1].height);
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QCOMPARE(screens->count(), 1);
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QCOMPARE(screens->geometry(0), geo);
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QCOMPARE(static_cast<Screens*>(screens.data())->geometry(), geo);
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QCOMPARE(screens->size(0), geo.size());
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QCOMPARE(static_cast<Screens*>(screens.data())->size(), geo.size());
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}
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void TestXRandRScreens::testMultipleChanges()
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{
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KWin::MockWorkspace ws;
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// multiple changes should only hit one changed signal
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QScopedPointer<XRandRScreens> screens(new XRandRScreens(this));
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screens->init();
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// create some signal spys
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QSignalSpy changedSpy(screens.data(), SIGNAL(changed()));
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QVERIFY(changedSpy.isValid());
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QVERIFY(changedSpy.isEmpty());
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QVERIFY(changedSpy.wait());
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changedSpy.clear();
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QSignalSpy geometrySpy(screens.data(), SIGNAL(geometryChanged()));
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QVERIFY(geometrySpy.isValid());
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QVERIFY(geometrySpy.isEmpty());
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QSignalSpy sizeSpy(screens.data(), SIGNAL(sizeChanged()));
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QVERIFY(sizeSpy.isValid());
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QVERIFY(sizeSpy.isEmpty());
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// clear the event loop
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while (xcb_generic_event_t *e = xcb_poll_for_event(s_connection)) {
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free(e);
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}
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// first change
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RandR::CurrentResources resources(s_rootWindow);
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auto *crtcs = resources.crtcs();
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auto *modes = xcb_randr_get_screen_resources_current_modes(resources.data());
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auto *outputs = xcb_randr_get_screen_resources_current_outputs(resources.data());
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RandR::SetCrtcConfig setter(crtcs[0], resources->timestamp, resources->config_timestamp, 0, 0, modes[0].id, XCB_RANDR_ROTATION_ROTATE_0, 1, outputs);
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QVERIFY(!setter.isNull());
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QVERIFY(setter->status == XCB_RANDR_SET_CONFIG_SUCCESS);
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// second change
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RandR::SetCrtcConfig setter2(crtcs[0], setter->timestamp, resources->config_timestamp, 0, 0, modes[1].id, XCB_RANDR_ROTATION_ROTATE_0, 1, outputs);
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QVERIFY(!setter2.isNull());
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QVERIFY(setter2->status == XCB_RANDR_SET_CONFIG_SUCCESS);
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auto passEvent = [&screens]() {
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xcb_generic_event_t *e = xcb_wait_for_event(s_connection);
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screens->event(e);
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free(e);
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};
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passEvent();
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passEvent();
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QVERIFY(changedSpy.wait());
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QCOMPARE(changedSpy.size(), 1);
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// previous state was modes[1] so the size didn't change
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QVERIFY(sizeSpy.isEmpty());
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QVERIFY(geometrySpy.isEmpty());
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QRect geo = QRect(0, 0, modes[1].width, modes[1].height);
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QCOMPARE(screens->count(), 1);
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QCOMPARE(screens->geometry(0), geo);
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QCOMPARE(static_cast<Screens*>(screens.data())->geometry(), geo);
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QCOMPARE(screens->size(0), geo.size());
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QCOMPARE(static_cast<Screens*>(screens.data())->size(), geo.size());
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}
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QTEST_GUILESS_MAIN(TestXRandRScreens)
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#include "test_xrandr_screens.moc"
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