Enable qtvirtualkeyboard QT_IM_MODULE for greeter

Summary: To be ued together with D4870.

Reviewers: #plasma

Subscribers: plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D4871

greeter/main.cpp

@@ -73,8 +73,8 @@ int main(int argc, char* argv[])
 
     // explicitly disable input methods as it makes it impossible to unlock, see BUG 306932
     // but explicitly set on screen keyboard such as maliit is allowed
-    if (qEnvironmentVariableIsSet("QT_IM_MODULE") && qgetenv("QT_IM_MODULE") != QByteArrayLiteral("maliit")) {
-        qputenv("QT_IM_MODULE", QByteArrayLiteral("compose"));
+    if (!qEnvironmentVariableIsSet("QT_IM_MODULE") || (qEnvironmentVariableIsSet("QT_IM_MODULE") && qgetenv("QT_IM_MODULE") != QByteArrayLiteral("maliit"))) {
+        qputenv("QT_IM_MODULE", QByteArrayLiteral("qtvirtualkeyboard"));
     }
     ScreenLocker::UnlockApp app(argc, argv);
     app.setQuitOnLastWindowClosed(false);