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wayland: Resize the client to last requested client size if decoration is destroyed

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If the decoration is destroyed before the window is mapped, kwin can
respond with a configure event that has 0x0 size. New tests check that
problematic case.

BUG: 444962
This commit is contained in:
Vlad Zahorodnii 2021-12-07 09:32:33 +02:00
parent 53e903a0b7
commit 9cc80d7468
2 changed files with 50 additions and 1 deletions
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48
autotests/integration/xdgshellclient_test.cpp
View file

@ -104,6 +104,8 @@ private Q_SLOTS:
void testPointerInputTransform();
void testReentrantSetFrameGeometry();
void testDoubleMaximize();
void testMaximizeAndChangeDecorationModeAfterInitialCommit();
void testFullScreenAndChangeDecorationModeAfterInitialCommit();
};
void TestXdgShellClient::testXdgWindowReactive()
@ -1837,5 +1839,51 @@ void TestXdgShellClient::testMaximizeFull()
QVERIFY(Test::waitForWindowDestroyed(client));
}
void TestXdgShellClient::testMaximizeAndChangeDecorationModeAfterInitialCommit()
{
// Ideally, the app would initialize the xdg-toplevel surface before the initial commit, but
// many don't do it. They initialize the surface after the first commit.
// This test verifies that the client will receive a configure event with correct size
// if an xdg-toplevel surface is set maximized and decoration mode changes after initial commit.
QScopedPointer<KWayland::Client::Surface> surface(Test::createSurface());
QScopedPointer<Test::XdgToplevel> shellSurface(Test::createXdgToplevelSurface(surface.data())); // will wait for the first configure event
QScopedPointer<Test::XdgToplevelDecorationV1> decoration(Test::createXdgToplevelDecorationV1(shellSurface.data()));
QSignalSpy toplevelConfigureRequestedSpy(shellSurface.data(), &Test::XdgToplevel::configureRequested);
QSignalSpy surfaceConfigureRequestedSpy(shellSurface->xdgSurface(), &Test::XdgSurface::configureRequested);
// Request maximized mode and set decoration mode, i.e. perform late initialization.
shellSurface->set_maximized();
decoration->set_mode(Test::XdgToplevelDecorationV1::mode_client_side);
// The compositor will respond with a new configure event, which should contain maximized state.
QVERIFY(surfaceConfigureRequestedSpy.wait());
QCOMPARE(toplevelConfigureRequestedSpy.last().at(0).value<QSize>(), QSize(1280, 1024));
QCOMPARE(toplevelConfigureRequestedSpy.last().at(1).value<Test::XdgToplevel::States>(), Test::XdgToplevel::State::Maximized);
}
void TestXdgShellClient::testFullScreenAndChangeDecorationModeAfterInitialCommit()
{
// Ideally, the app would initialize the xdg-toplevel surface before the initial commit, but
// many don't do it. They initialize the surface after the first commit.
// This test verifies that the client will receive a configure event with correct size
// if an xdg-toplevel surface is set fullscreen and decoration mode changes after initial commit.
QScopedPointer<KWayland::Client::Surface> surface(Test::createSurface());
QScopedPointer<Test::XdgToplevel> shellSurface(Test::createXdgToplevelSurface(surface.data())); // will wait for the first configure event
QScopedPointer<Test::XdgToplevelDecorationV1> decoration(Test::createXdgToplevelDecorationV1(shellSurface.data()));
QSignalSpy toplevelConfigureRequestedSpy(shellSurface.data(), &Test::XdgToplevel::configureRequested);
QSignalSpy surfaceConfigureRequestedSpy(shellSurface->xdgSurface(), &Test::XdgSurface::configureRequested);
// Request fullscreen mode and set decoration mode, i.e. perform late initialization.
shellSurface->set_fullscreen(nullptr);
decoration->set_mode(Test::XdgToplevelDecorationV1::mode_client_side);
// The compositor will respond with a new configure event, which should contain fullscreen state.
QVERIFY(surfaceConfigureRequestedSpy.wait());
QCOMPARE(toplevelConfigureRequestedSpy.last().at(0).value<QSize>(), QSize(1280, 1024));
QCOMPARE(toplevelConfigureRequestedSpy.last().at(1).value<Test::XdgToplevel::States>(), Test::XdgToplevel::State::Fullscreen);
}
WAYLANDTEST_MAIN(TestXdgShellClient)
#include "xdgshellclient_test.moc"

3
src/abstract_client.cpp
View file

@ -2337,8 +2337,9 @@ void AbstractClient::createDecoration(const QRect &oldGeometry)
void AbstractClient::destroyDecoration()
{
const QSize clientSize = frameSizeToClientSize(moveResizeGeometry().size());
setDecoration(nullptr);
resize(implicitSize());
resize(clientSize);
}
void AbstractClient::setDecoration(KDecoration2::Decoration *decoration)