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[wayland] Create waylandServer after creating QApplication

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Our QPA plugin does not require a running Wayland server at startup,
so we can move the startup after creating the application.

Nice side effect: --help works now.
This commit is contained in:
Martin Gräßlin 2015-08-20 12:54:23 +02:00
parent f034537ad7
commit ef20f82b4d
1 changed files with 7 additions and 21 deletions
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28
main_wayland.cpp
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@ -368,26 +368,9 @@ static QString automaticBackendSelection()
int main(int argc, char * argv[])
{
// process command line arguments to figure out whether we have to start Xwayland and the Wayland socket
QByteArray waylandSocket;
for (int i = 1; i < argc; ++i) {
QByteArray arg = QByteArray::fromRawData(argv[i], qstrlen(argv[i]));
if (arg == "--socket" || arg == "-s") {
if (++i < argc) {
waylandSocket = QByteArray::fromRawData(argv[i], qstrlen(argv[i]));
}
continue;
}
if (arg.startsWith("--socket=")) {
waylandSocket = arg.mid(9);
}
}
// set our own event dispatcher to be able to dispatch events before the event loop is started
QAbstractEventDispatcher *eventDispatcher = new KWin::EventDispatcher();
QCoreApplication::setEventDispatcher(eventDispatcher);
KWin::WaylandServer *server = KWin::WaylandServer::create(nullptr);
server->init(waylandSocket);
KWin::Application::setupMalloc();
KWin::Application::setupLocalizedString();
@ -406,7 +389,6 @@ int main(int argc, char * argv[])
pthread_sigmask(SIG_BLOCK, &userSiganls, nullptr);
QProcessEnvironment environment = QProcessEnvironment::systemEnvironment();
environment.insert(QStringLiteral("WAYLAND_DISPLAY"), server->display()->socketName());
// enforce our internal qpa plugin, unfortunately command line switch has precedence
setenv("QT_QPA_PLATFORM", "wayland-org.kde.kwin.qpa", true);
@ -420,9 +402,6 @@ int main(int argc, char * argv[])
qputenv("QSG_RENDER_LOOP", "basic");
KWin::ApplicationWayland a(argc, argv);
a.setupTranslator();
a.setProcessStartupEnvironment(environment);
server->setParent(&a);
KWin::Application::createAboutData();
@ -569,6 +548,11 @@ int main(int argc, char * argv[])
std::cerr << "FATAL ERROR: could not find a backend" << std::endl;
return 1;
}
// TODO: create backend without having the server running
KWin::WaylandServer *server = KWin::WaylandServer::create(&a);
server->init(parser.value(waylandSocketOption).toUtf8());
for (const auto &candidate: pluginCandidates) {
if (qobject_cast<KWin::AbstractBackend*>(candidate.instantiate())) {
#if HAVE_INPUT
@ -600,6 +584,8 @@ int main(int argc, char * argv[])
}
QObject::connect(&a, &KWin::Application::workspaceCreated, server, &KWin::WaylandServer::initWorkspace);
environment.insert(QStringLiteral("WAYLAND_DISPLAY"), server->display()->socketName());
a.setProcessStartupEnvironment(environment);
a.setStartXwayland(parser.isSet(xwaylandOption));
a.setApplicationsToStart(parser.positionalArguments());
a.setInputMethodServerToStart(parser.value(inputMethodOption));