kwin/autotests/integration/keyboard_layout_test.cpp

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2020-08-02 22:22:19 +00:00
/*
KWin - the KDE window manager
This file is part of the KDE project.
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SPDX-FileCopyrightText: 2017 Martin Gräßlin <mgraesslin@kde.org>
2020-08-02 22:22:19 +00:00
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "kwin_wayland_test.h"
#include "keyboard_input.h"
#include "keyboard_layout.h"
#include "virtualdesktops.h"
#include "wayland_server.h"
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#include "window.h"
#include "workspace.h"
#include "xkb.h"
#include <KConfigGroup>
#include <KGlobalAccel>
#include <KWayland/Client/surface.h>
#include <QAction>
#include <QDBusConnection>
#include <QDBusConnectionInterface>
#include <QDBusMessage>
#include <QDBusPendingCall>
#include <linux/input.h>
using namespace KWin;
static const QString s_socketName = QStringLiteral("wayland_test_kwin_keyboard_laout-0");
class KeyboardLayoutTest : public QObject
{
Q_OBJECT
public:
KeyboardLayoutTest()
: layoutsReconfiguredSpy(this, &KeyboardLayoutTest::layoutListChanged)
, layoutChangedSpy(this, &KeyboardLayoutTest::layoutChanged)
{
QVERIFY(QDBusConnection::sessionBus().connect(QStringLiteral("org.kde.keyboard"), QStringLiteral("/Layouts"), QStringLiteral("org.kde.KeyboardLayouts"), QStringLiteral("layoutListChanged"), this, SIGNAL(layoutListChanged())));
QVERIFY(QDBusConnection::sessionBus().connect(QStringLiteral("org.kde.keyboard"), QStringLiteral("/Layouts"), QStringLiteral("org.kde.KeyboardLayouts"), QStringLiteral("layoutChanged"), this, SIGNAL(layoutChanged(uint))));
}
Q_SIGNALS:
void layoutChanged(uint index);
void layoutListChanged();
private Q_SLOTS:
void initTestCase();
void init();
void cleanup();
void testReconfigure();
void testChangeLayoutThroughDBus();
void testPerLayoutShortcut();
void testDBusServiceExport();
void testVirtualDesktopPolicy();
void testWindowPolicy();
void testApplicationPolicy();
void testNumLock();
private:
void reconfigureLayouts();
void resetLayouts();
auto changeLayout(uint index);
void callSession(const QString &method);
QSignalSpy layoutsReconfiguredSpy;
QSignalSpy layoutChangedSpy;
KConfigGroup layoutGroup;
};
void KeyboardLayoutTest::reconfigureLayouts()
{
// create DBus signal to reload
QDBusMessage message = QDBusMessage::createSignal(QStringLiteral("/Layouts"), QStringLiteral("org.kde.keyboard"), QStringLiteral("reloadConfig"));
QVERIFY(QDBusConnection::sessionBus().send(message));
QVERIFY(layoutsReconfiguredSpy.wait(1000));
QCOMPARE(layoutsReconfiguredSpy.count(), 1);
layoutsReconfiguredSpy.clear();
}
void KeyboardLayoutTest::resetLayouts()
{
/* Switch Policy to destroy layouts from memory.
* On return to original Policy they should reload from disk.
*/
callSession(QStringLiteral("aboutToSaveSession"));
const QString policy = layoutGroup.readEntry("SwitchMode", "Global");
if (policy == QLatin1String("Global")) {
layoutGroup.writeEntry("SwitchMode", "Desktop");
} else {
layoutGroup.deleteEntry("SwitchMode");
}
reconfigureLayouts();
layoutGroup.writeEntry("SwitchMode", policy);
reconfigureLayouts();
callSession(QStringLiteral("loadSession"));
}
auto KeyboardLayoutTest::changeLayout(uint index)
{
QDBusMessage msg = QDBusMessage::createMethodCall(QStringLiteral("org.kde.keyboard"),
QStringLiteral("/Layouts"),
QStringLiteral("org.kde.KeyboardLayouts"),
QStringLiteral("setLayout"));
msg << index;
return QDBusConnection::sessionBus().asyncCall(msg);
}
void KeyboardLayoutTest::callSession(const QString &method)
{
QDBusMessage msg = QDBusMessage::createMethodCall(QStringLiteral("org.kde.KWin"),
QStringLiteral("/Session"),
QStringLiteral("org.kde.KWin.Session"),
method);
msg << QLatin1String(); // session name
QVERIFY(QDBusConnection::sessionBus().call(msg).type() != QDBusMessage::ErrorMessage);
}
void KeyboardLayoutTest::initTestCase()
{
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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),
});
kwinApp()->setConfig(KSharedConfig::openConfig(QString(), KConfig::SimpleConfig));
kwinApp()->setKxkbConfig(KSharedConfig::openConfig(QString(), KConfig::SimpleConfig));
layoutGroup = kwinApp()->kxkbConfig()->group("Layout");
layoutGroup.deleteGroup();
kwinApp()->start();
QVERIFY(applicationStartedSpy.wait());
// don't get DBus signal on one-layout configuration
// QVERIFY(layoutsReconfiguredSpy.wait());
// QCOMPARE(layoutsReconfiguredSpy.count(), 1);
// layoutsReconfiguredSpy.clear();
}
void KeyboardLayoutTest::init()
{
QVERIFY(Test::setupWaylandConnection());
}
void KeyboardLayoutTest::cleanup()
{
Test::destroyWaylandConnection();
}
void KeyboardLayoutTest::testReconfigure()
{
// verifies that we can change the keymap
// default should be a keymap with only us layout
auto xkb = input()->keyboard()->xkb();
QCOMPARE(xkb->numberOfLayouts(), 1u);
QCOMPARE(xkb->layoutName(), QStringLiteral("English (US)"));
QCOMPARE(xkb->numberOfLayouts(), 1);
QCOMPARE(xkb->layoutName(0), QStringLiteral("English (US)"));
// create a new keymap
KConfigGroup layoutGroup = kwinApp()->kxkbConfig()->group("Layout");
layoutGroup.writeEntry("LayoutList", QStringLiteral("de,us"));
layoutGroup.sync();
reconfigureLayouts();
// now we should have two layouts
QCOMPARE(xkb->numberOfLayouts(), 2u);
// default layout is German
QCOMPARE(xkb->layoutName(), QStringLiteral("German"));
QCOMPARE(xkb->numberOfLayouts(), 2);
QCOMPARE(xkb->layoutName(0), QStringLiteral("German"));
QCOMPARE(xkb->layoutName(1), QStringLiteral("English (US)"));
}
void KeyboardLayoutTest::testChangeLayoutThroughDBus()
{
// this test verifies that the layout can be changed through DBus
// first configure layouts
enum Layout {
de,
us,
de_neo,
bad,
};
layoutGroup.writeEntry("LayoutList", QStringLiteral("de,us,de(neo)"));
layoutGroup.sync();
reconfigureLayouts();
// now we should have three layouts
auto xkb = input()->keyboard()->xkb();
QCOMPARE(xkb->numberOfLayouts(), 3u);
// default layout is German
xkb->switchToLayout(0);
QCOMPARE(xkb->layoutName(), QStringLiteral("German"));
// place garbage to layout entry
layoutGroup.writeEntry("LayoutDefaultFoo", "garbage");
// make sure the garbage is wiped out on saving
resetLayouts();
QVERIFY(!layoutGroup.hasKey("LayoutDefaultFoo"));
// now change through DBus to English
auto reply = changeLayout(Layout::us);
reply.waitForFinished();
QVERIFY(!reply.isError());
QCOMPARE(reply.reply().arguments().first().toBool(), true);
QVERIFY(layoutChangedSpy.wait());
QCOMPARE(layoutChangedSpy.count(), 1);
layoutChangedSpy.clear();
// layout should persist after reset
resetLayouts();
QCOMPARE(xkb->layoutName(), QStringLiteral("English (US)"));
QVERIFY(layoutChangedSpy.wait());
QCOMPARE(layoutChangedSpy.count(), 1);
layoutChangedSpy.clear();
// switch to a layout which does not exist
reply = changeLayout(Layout::bad);
QVERIFY(!reply.isError());
QCOMPARE(reply.reply().arguments().first().toBool(), false);
QCOMPARE(xkb->layoutName(), QStringLiteral("English (US)"));
QVERIFY(!layoutChangedSpy.wait(1000));
// switch to another layout should work
reply = changeLayout(Layout::de);
QVERIFY(!reply.isError());
QCOMPARE(reply.reply().arguments().first().toBool(), true);
QCOMPARE(xkb->layoutName(), QStringLiteral("German"));
QVERIFY(layoutChangedSpy.wait(1000));
QCOMPARE(layoutChangedSpy.count(), 1);
// switching to same layout should also work
reply = changeLayout(Layout::de);
QVERIFY(!reply.isError());
QCOMPARE(reply.reply().arguments().first().toBool(), true);
QCOMPARE(xkb->layoutName(), QStringLiteral("German"));
QVERIFY(!layoutChangedSpy.wait(1000));
}
void KeyboardLayoutTest::testPerLayoutShortcut()
{
// this test verifies that per-layout global shortcuts are working correctly.
// first configure layouts
layoutGroup.writeEntry("LayoutList", QStringLiteral("us,de,de(neo)"));
layoutGroup.sync();
// and create the global shortcuts
const QString componentName = QStringLiteral("KDE Keyboard Layout Switcher");
QAction *a = new QAction(this);
a->setObjectName(QStringLiteral("Switch keyboard layout to English (US)"));
a->setProperty("componentName", componentName);
KGlobalAccel::self()->setShortcut(a, QList<QKeySequence>{Qt::CTRL | Qt::ALT | Qt::Key_1}, KGlobalAccel::NoAutoloading);
delete a;
a = new QAction(this);
a->setObjectName(QStringLiteral("Switch keyboard layout to German"));
a->setProperty("componentName", componentName);
KGlobalAccel::self()->setShortcut(a, QList<QKeySequence>{Qt::CTRL | Qt::ALT | Qt::Key_2}, KGlobalAccel::NoAutoloading);
delete a;
// now we should have three layouts
auto xkb = input()->keyboard()->xkb();
reconfigureLayouts();
QCOMPARE(xkb->numberOfLayouts(), 3u);
// default layout is English
xkb->switchToLayout(0);
QCOMPARE(xkb->layoutName(), QStringLiteral("English (US)"));
// now switch to English through the global shortcut
quint32 timestamp = 1;
Test::keyboardKeyPressed(KEY_LEFTCTRL, timestamp++);
Test::keyboardKeyPressed(KEY_LEFTALT, timestamp++);
Test::keyboardKeyPressed(KEY_2, timestamp++);
QVERIFY(layoutChangedSpy.wait());
// now layout should be German
QCOMPARE(xkb->layoutName(), QStringLiteral("German"));
// release keys again
Test::keyboardKeyReleased(KEY_2, timestamp++);
// switch back to English
Test::keyboardKeyPressed(KEY_1, timestamp++);
QVERIFY(layoutChangedSpy.wait());
QCOMPARE(xkb->layoutName(), QStringLiteral("English (US)"));
// release keys again
Test::keyboardKeyReleased(KEY_1, timestamp++);
Test::keyboardKeyReleased(KEY_LEFTALT, timestamp++);
Test::keyboardKeyReleased(KEY_LEFTCTRL, timestamp++);
}
void KeyboardLayoutTest::testDBusServiceExport()
{
// verifies that the dbus service is only exported if there are at least two layouts
// first configure layouts, with just one layout
layoutGroup.writeEntry("LayoutList", QStringLiteral("us"));
layoutGroup.sync();
reconfigureLayouts();
auto xkb = input()->keyboard()->xkb();
QCOMPARE(xkb->numberOfLayouts(), 1u);
// default layout is English
QCOMPARE(xkb->layoutName(), QStringLiteral("English (US)"));
// with one layout we should not have the dbus interface
QVERIFY(!QDBusConnection::sessionBus().interface()->isServiceRegistered(QStringLiteral("org.kde.keyboard")).value());
// reconfigure to two layouts
layoutGroup.writeEntry("LayoutList", QStringLiteral("us,de"));
layoutGroup.sync();
reconfigureLayouts();
QCOMPARE(xkb->numberOfLayouts(), 2u);
QVERIFY(QDBusConnection::sessionBus().interface()->isServiceRegistered(QStringLiteral("org.kde.keyboard")).value());
// and back to one layout
layoutGroup.writeEntry("LayoutList", QStringLiteral("us"));
layoutGroup.sync();
reconfigureLayouts();
QCOMPARE(xkb->numberOfLayouts(), 1u);
QVERIFY(!QDBusConnection::sessionBus().interface()->isServiceRegistered(QStringLiteral("org.kde.keyboard")).value());
}
void KeyboardLayoutTest::testVirtualDesktopPolicy()
{
layoutGroup.writeEntry("LayoutList", QStringLiteral("us,de,de(neo)"));
layoutGroup.writeEntry("SwitchMode", QStringLiteral("Desktop"));
layoutGroup.sync();
reconfigureLayouts();
auto xkb = input()->keyboard()->xkb();
QCOMPARE(xkb->numberOfLayouts(), 3u);
QCOMPARE(xkb->layoutName(), QStringLiteral("English (US)"));
VirtualDesktopManager::self()->setCount(4);
QCOMPARE(VirtualDesktopManager::self()->count(), 4u);
auto desktops = VirtualDesktopManager::self()->desktops();
QCOMPARE(desktops.count(), 4);
// give desktops different layouts
uint desktop, layout;
for (desktop = 0; desktop < VirtualDesktopManager::self()->count(); ++desktop) {
// switch to another virtual desktop
VirtualDesktopManager::self()->setCurrent(desktops.at(desktop));
QCOMPARE(desktops.at(desktop), VirtualDesktopManager::self()->currentDesktop());
// should be reset to English
QCOMPARE(xkb->currentLayout(), 0);
// change first desktop to German
layout = (desktop + 1) % xkb->numberOfLayouts();
changeLayout(layout).waitForFinished();
QCOMPARE(xkb->currentLayout(), layout);
}
// imitate app restart to test layouts saving feature
resetLayouts();
// check layout set on desktop switching as intended
for (--desktop;;) {
QCOMPARE(desktops.at(desktop), VirtualDesktopManager::self()->currentDesktop());
layout = (desktop + 1) % xkb->numberOfLayouts();
QCOMPARE(xkb->currentLayout(), layout);
if (--desktop >= VirtualDesktopManager::self()->count()) { // overflow
break;
}
VirtualDesktopManager::self()->setCurrent(desktops.at(desktop));
}
// remove virtual desktops
desktop = 0;
const KWin::VirtualDesktop *deletedDesktop = desktops.last();
VirtualDesktopManager::self()->setCount(1);
QCOMPARE(xkb->currentLayout(), layout = (desktop + 1) % xkb->numberOfLayouts());
QCOMPARE(xkb->layoutName(), QStringLiteral("German"));
// add another desktop
VirtualDesktopManager::self()->setCount(2);
// switching to it should result in going to default
desktops = VirtualDesktopManager::self()->desktops();
QCOMPARE(desktops.count(), 2);
QCOMPARE(desktops.first(), VirtualDesktopManager::self()->currentDesktop());
VirtualDesktopManager::self()->setCurrent(desktops.last());
QCOMPARE(xkb->layoutName(), QStringLiteral("English (US)"));
// check there are no more layouts left in config than the last actual non-default layouts number
QSignalSpy deletedDesktopSpy(deletedDesktop, &VirtualDesktop::aboutToBeDestroyed);
QVERIFY(deletedDesktopSpy.wait());
resetLayouts();
QCOMPARE(layoutGroup.keyList().filter(QStringLiteral("LayoutDefault")).count(), 1);
}
void KeyboardLayoutTest::testWindowPolicy()
{
enum Layout {
us,
de,
de_neo,
bad,
};
layoutGroup.writeEntry("LayoutList", QStringLiteral("us,de,de(neo)"));
layoutGroup.writeEntry("SwitchMode", QStringLiteral("Window"));
layoutGroup.sync();
reconfigureLayouts();
auto xkb = input()->keyboard()->xkb();
QCOMPARE(xkb->numberOfLayouts(), 3u);
QCOMPARE(xkb->layoutName(), QStringLiteral("English (US)"));
// create a window
std::unique_ptr<KWayland::Client::Surface> surface(Test::createSurface());
std::unique_ptr<Test::XdgToplevel> shellSurface(Test::createXdgToplevelSurface(surface.get()));
auto c1 = Test::renderAndWaitForShown(surface.get(), QSize(100, 100), Qt::blue);
QVERIFY(c1);
// now switch layout
auto reply = changeLayout(Layout::de);
reply.waitForFinished();
QCOMPARE(xkb->layoutName(), QStringLiteral("German"));
// create a second window
std::unique_ptr<KWayland::Client::Surface> surface2(Test::createSurface());
std::unique_ptr<Test::XdgToplevel> shellSurface2(Test::createXdgToplevelSurface(surface2.get()));
auto c2 = Test::renderAndWaitForShown(surface2.get(), QSize(100, 100), Qt::red);
QVERIFY(c2);
// this should have switched back to English
QCOMPARE(xkb->layoutName(), QStringLiteral("English (US)"));
// now change to another layout
reply = changeLayout(Layout::de_neo);
reply.waitForFinished();
QCOMPARE(xkb->layoutName(), QStringLiteral("German (Neo 2)"));
// activate other window
workspace()->activateWindow(c1);
QCOMPARE(xkb->layoutName(), QStringLiteral("German"));
workspace()->activateWindow(c2);
QCOMPARE(xkb->layoutName(), QStringLiteral("German (Neo 2)"));
}
void KeyboardLayoutTest::testApplicationPolicy()
{
enum Layout {
us,
de,
de_neo,
bad,
};
layoutGroup.writeEntry("LayoutList", QStringLiteral("us,de,de(neo)"));
layoutGroup.writeEntry("SwitchMode", QStringLiteral("WinClass"));
layoutGroup.sync();
reconfigureLayouts();
auto xkb = input()->keyboard()->xkb();
QCOMPARE(xkb->numberOfLayouts(), 3u);
QCOMPARE(xkb->layoutName(), QStringLiteral("English (US)"));
// create a window
std::unique_ptr<KWayland::Client::Surface> surface(Test::createSurface());
std::unique_ptr<Test::XdgToplevel> shellSurface(Test::createXdgToplevelSurface(surface.get()));
shellSurface->set_app_id(QStringLiteral("org.kde.foo"));
auto c1 = Test::renderAndWaitForShown(surface.get(), QSize(100, 100), Qt::blue);
QVERIFY(c1);
// create a second window
std::unique_ptr<KWayland::Client::Surface> surface2(Test::createSurface());
std::unique_ptr<Test::XdgToplevel> shellSurface2(Test::createXdgToplevelSurface(surface2.get()));
shellSurface2->set_app_id(QStringLiteral("org.kde.foo"));
auto c2 = Test::renderAndWaitForShown(surface2.get(), QSize(100, 100), Qt::red);
QVERIFY(c2);
// now switch layout
layoutChangedSpy.clear();
changeLayout(Layout::de_neo);
QVERIFY(layoutChangedSpy.wait());
QCOMPARE(layoutChangedSpy.count(), 1);
layoutChangedSpy.clear();
QCOMPARE(xkb->layoutName(), QStringLiteral("German (Neo 2)"));
resetLayouts();
// to trigger layout application for current client
workspace()->activateWindow(c1);
workspace()->activateWindow(c2);
QVERIFY(layoutChangedSpy.wait());
QCOMPARE(layoutChangedSpy.count(), 1);
QCOMPARE(xkb->layoutName(), QStringLiteral("German (Neo 2)"));
// activate other window
workspace()->activateWindow(c1);
// it is the same application and should not switch the layout
QVERIFY(!layoutChangedSpy.wait(1000));
QCOMPARE(xkb->layoutName(), QStringLiteral("German (Neo 2)"));
workspace()->activateWindow(c2);
QVERIFY(!layoutChangedSpy.wait(1000));
QCOMPARE(xkb->layoutName(), QStringLiteral("German (Neo 2)"));
shellSurface2.reset();
surface2.reset();
QVERIFY(Test::waitForWindowClosed(c2));
QVERIFY(!layoutChangedSpy.wait(1000));
QCOMPARE(xkb->layoutName(), QStringLiteral("German (Neo 2)"));
resetLayouts();
QCOMPARE(layoutGroup.keyList().filter(QStringLiteral("LayoutDefault")).count(), 1);
}
void KeyboardLayoutTest::testNumLock()
{
qputenv("KWIN_FORCE_NUM_LOCK_EVALUATION", "1");
layoutGroup.writeEntry("LayoutList", QStringLiteral("us"));
layoutGroup.sync();
reconfigureLayouts();
auto xkb = input()->keyboard()->xkb();
QCOMPARE(xkb->numberOfLayouts(), 1u);
QCOMPARE(xkb->layoutName(), QStringLiteral("English (US)"));
// by default not set
QVERIFY(!xkb->leds().testFlag(LED::NumLock));
quint32 timestamp = 0;
Test::keyboardKeyPressed(KEY_NUMLOCK, timestamp++);
Test::keyboardKeyReleased(KEY_NUMLOCK, timestamp++);
// now it should be on
QVERIFY(xkb->leds().testFlag(LED::NumLock));
// and back to off
Test::keyboardKeyPressed(KEY_NUMLOCK, timestamp++);
Test::keyboardKeyReleased(KEY_NUMLOCK, timestamp++);
QVERIFY(!xkb->leds().testFlag(LED::NumLock));
// let's reconfigure to enable through config
auto group = InputConfig::self()->inputConfig()->group("Keyboard");
group.writeEntry("NumLock", 0);
group.sync();
xkb->reconfigure();
// now it should be on
QVERIFY(xkb->leds().testFlag(LED::NumLock));
// pressing should result in it being off
Test::keyboardKeyPressed(KEY_NUMLOCK, timestamp++);
Test::keyboardKeyReleased(KEY_NUMLOCK, timestamp++);
QVERIFY(!xkb->leds().testFlag(LED::NumLock));
// pressing again should enable it
Test::keyboardKeyPressed(KEY_NUMLOCK, timestamp++);
Test::keyboardKeyReleased(KEY_NUMLOCK, timestamp++);
QVERIFY(xkb->leds().testFlag(LED::NumLock));
// now reconfigure to disable on load
group.writeEntry("NumLock", 1);
group.sync();
xkb->reconfigure();
QVERIFY(!xkb->leds().testFlag(LED::NumLock));
}
WAYLANDTEST_MAIN(KeyboardLayoutTest)
#include "keyboard_layout_test.moc"