sticky_keys_test.cpp

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/*
    KWin - the KDE window manager
    This file is part of the KDE project.
 
    SPDX-FileCopyrightText: 2016 Martin Gräßlin <mgraesslin@kde.org>
    SPDX-FileCopyrightText: 2023 Nicolas Fella <nicolas.fella@gmx.de>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "kwin_wayland_test.h"
 
#include "keyboard_input.h"
#include "pluginmanager.h"
#include "pointer_input.h"
#include "wayland_server.h"
#include "window.h"
#include "workspace.h"
 
#include <KWayland/Client/keyboard.h>
#include <KWayland/Client/seat.h>
 
#include <linux/input.h>
 
namespace KWin
{
 
static const QString s_socketName = QStringLiteral("wayland_test_kwin_sticky_keys-0");
 
class StickyKeysTest : public QObject
{
    Q_OBJECT
private Q_SLOTS:
    void initTestCase();
    void init();
    void cleanup();
    void testStick();
    void testLock();
};
 
void StickyKeysTest::initTestCase()
{
    KConfig kaccessConfig("kaccessrc");
    kaccessConfig.group(QStringLiteral("Keyboard")).writeEntry("StickyKeys", true);
    kaccessConfig.sync();
 
    qRegisterMetaType<KWin::Window *>();
    QSignalSpy applicationStartedSpy(kwinApp(), &Application::started);
    QVERIFY(waylandServer()->init(s_socketName));
    Test::setOutputConfig({
        QRect(0, 0, 1280, 1024),
        QRect(1280, 0, 1280, 1024),
    });
 
    qputenv("XKB_DEFAULT_RULES", "evdev");
 
    kwinApp()->start();
    QVERIFY(applicationStartedSpy.wait());
}
 
void StickyKeysTest::init()
{
    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Seat));
    QVERIFY(Test::waitForWaylandKeyboard());
}
 
void StickyKeysTest::cleanup()
{
    Test::destroyWaylandConnection();
}
 
void StickyKeysTest::testStick()
{
    std::unique_ptr<KWayland::Client::Keyboard> keyboard(Test::waylandSeat()->createKeyboard());
 
    std::unique_ptr<KWayland::Client::Surface> surface(Test::createSurface());
    QVERIFY(surface != nullptr);
    std::unique_ptr<Test::XdgToplevel> shellSurface(Test::createXdgToplevelSurface(surface.get()));
    QVERIFY(shellSurface != nullptr);
    Window *waylandWindow = Test::renderAndWaitForShown(surface.get(), QSize(10, 10), Qt::blue);
    QVERIFY(waylandWindow);
 
    QSignalSpy modifierSpy(keyboard.get(), &KWayland::Client::Keyboard::modifiersChanged);
    QVERIFY(modifierSpy.wait());
    modifierSpy.clear();
 
    quint32 timestamp = 0;
 
    // press Ctrl to latch it
    Test::keyboardKeyPressed(KEY_LEFTCTRL, ++timestamp);
    QVERIFY(modifierSpy.wait());
    // arguments are: quint32 depressed, quint32 latched, quint32 locked, quint32 group
    QCOMPARE(modifierSpy.first()[0], 4); // verify that Ctrl is depressed
    QCOMPARE(modifierSpy.first()[1], 4); // verify that Ctrl is latched
 
    modifierSpy.clear();
    // release Ctrl, the modified should still be latched
    Test::keyboardKeyReleased(KEY_LEFTCTRL, ++timestamp);
    QVERIFY(modifierSpy.wait());
    QCOMPARE(modifierSpy.first()[0], 0); // verify that Ctrl is not depressed
    QCOMPARE(modifierSpy.first()[1], 4); // verify that Ctrl is still latched
 
    // press and release a letter, this unlatches the modifier
    modifierSpy.clear();
    Test::keyboardKeyPressed(KEY_A, ++timestamp);
    QVERIFY(modifierSpy.wait());
    QCOMPARE(modifierSpy.first()[0], 0); // verify that Ctrl is not depressed
    QCOMPARE(modifierSpy.first()[1], 0); // verify that Ctrl is not latched any more
 
    Test::keyboardKeyReleased(KEY_A, ++timestamp);
}
 
void StickyKeysTest::testLock()
{
    KConfig kaccessConfig("kaccessrc");
    kaccessConfig.group(QStringLiteral("Keyboard")).writeEntry("StickyKeysLatch", true);
    kaccessConfig.sync();
 
    // reload the plugin to pick up the new config
    kwinApp()->pluginManager()->unloadPlugin("StickyKeysPlugin");
    kwinApp()->pluginManager()->loadPlugin("StickyKeysPlugin");
 
    QVERIFY(Test::waylandSeat()->hasKeyboard());
    std::unique_ptr<KWayland::Client::Keyboard> keyboard(Test::waylandSeat()->createKeyboard());
 
    std::unique_ptr<KWayland::Client::Surface> surface(Test::createSurface());
    QVERIFY(surface != nullptr);
    std::unique_ptr<Test::XdgToplevel> shellSurface(Test::createXdgToplevelSurface(surface.get()));
    QVERIFY(shellSurface != nullptr);
    Window *waylandWindow = Test::renderAndWaitForShown(surface.get(), QSize(10, 10), Qt::blue);
    QVERIFY(waylandWindow);
    waylandWindow->move(QPoint(0, 0));
 
    QSignalSpy modifierSpy(keyboard.get(), &KWayland::Client::Keyboard::modifiersChanged);
    QVERIFY(modifierSpy.wait());
    modifierSpy.clear();
 
    quint32 timestamp = 0;
 
    // press Ctrl to latch it
    Test::keyboardKeyPressed(KEY_LEFTCTRL, ++timestamp);
    QVERIFY(modifierSpy.wait());
    // arguments are: quint32 depressed, quint32 latched, quint32 locked, quint32 group
    QCOMPARE(modifierSpy.first()[0], 4); // verify that Ctrl is depressed
    QCOMPARE(modifierSpy.first()[1], 4); // verify that Ctrl is latched
 
    modifierSpy.clear();
    // release Ctrl, the modified should still be latched
    Test::keyboardKeyReleased(KEY_LEFTCTRL, ++timestamp);
    QVERIFY(modifierSpy.wait());
    QCOMPARE(modifierSpy.first()[0], 0); // verify that Ctrl is not depressed
    QCOMPARE(modifierSpy.first()[1], 4); // verify that Ctrl is still latched
 
    // press Ctrl again to lock it
    modifierSpy.clear();
    Test::keyboardKeyPressed(KEY_LEFTCTRL, ++timestamp);
    QVERIFY(modifierSpy.wait());
    QCOMPARE(modifierSpy.first()[0], 4); // verify that Ctrl is depressed
    // TODO should it be latched?
    QCOMPARE(modifierSpy.first()[2], 4); // verify that Ctrl is locked
 
    // press and release a letter, this does not unlock the modifier
    modifierSpy.clear();
    Test::keyboardKeyPressed(KEY_A, ++timestamp);
    QVERIFY(!modifierSpy.wait(10));
 
    Test::keyboardKeyReleased(KEY_A, ++timestamp);
    QVERIFY(!modifierSpy.wait(10));
 
    // press Ctrl again to unlock it
    Test::keyboardKeyPressed(KEY_LEFTCTRL, ++timestamp);
    QVERIFY(modifierSpy.wait());
    QCOMPARE(modifierSpy.first()[0], 4); // verify that Ctrl is depressed
    QCOMPARE(modifierSpy.first()[2], 0); // verify that Ctrl is locked
 
    Test::keyboardKeyReleased(KEY_LEFTCTRL, ++timestamp);
}
}
 
WAYLANDTEST_MAIN(KWin::StickyKeysTest)
#include "sticky_keys_test.moc"