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Add detectPlatform to always use wayland in a wayland session

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Summary:
It's possible that Qt uses the xcb platform by default even in a Wayland
session, so detect such cases and switch to wayland instead to enable
proper support for remote input. Copy code from libkworkspace to not
introduce a dependency.

Test Plan: Started kdeconnectd, uses wayland platform now. Remote input works.

Reviewers: #kde_connect, nicolasfella

Reviewed By: #kde_connect, nicolasfella

Subscribers: kdeconnect

Tags: #kde_connect

Differential Revision: https://phabricator.kde.org/D22562
This commit is contained in:
Fabian Vogt 2019-07-19 17:12:49 +02:00
parent 086ceb6140
commit f765ffb186
1 changed files with 27 additions and 0 deletions
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27
daemon/kdeconnectd.cpp
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@ -90,8 +90,35 @@ private:
QNetworkAccessManager* m_nam;
};
// Copied from plasma-workspace/libkworkspace/kworkspace.cpp
static void detectPlatform(int argc, char **argv)
{
if (qEnvironmentVariableIsSet("QT_QPA_PLATFORM")) {
return;
}
for (int i = 0; i < argc; i++) {
if (qstrcmp(argv[i], "-platform") == 0 ||
qstrcmp(argv[i], "--platform") == 0 ||
QByteArray(argv[i]).startsWith("-platform=") ||
QByteArray(argv[i]).startsWith("--platform=")) {
return;
}
}
const QByteArray sessionType = qgetenv("XDG_SESSION_TYPE");
if (sessionType.isEmpty()) {
return;
}
if (qstrcmp(sessionType, "wayland") == 0) {
qputenv("QT_QPA_PLATFORM", "wayland");
} else if (qstrcmp(sessionType, "x11") == 0) {
qputenv("QT_QPA_PLATFORM", "xcb");
}
}
int main(int argc, char* argv[])
{
detectPlatform(argc, argv);
QApplication app(argc, argv);
KAboutData aboutData(
QStringLiteral("org.kde.kdeconnect.daemon"),