1 files changed, 24 insertions, 0 deletions
diff --git a/src/qlibwindowmanager.cpp b/src/qlibwindowmanager.cpp
index fff99c4..0d0f8a6 100644
--- a/src/qlibwindowmanager.cpp
+++ b/src/qlibwindowmanager.cpp
@@ -40,6 +40,30 @@ int QLibWindowmanager::init(int port, const QString &token) {
     return ret_init;
 }
 
+int QLibWindowmanager::setRole(const QString &role, bool request) {
+    this->graphic_role = role.toStdString();
+    int ret = -1;
+    int surface_id = this->wm->setRole(this->graphic_role.c_str(), request);
+    if(request)
+    {
+        if(surface_id < 0){
+            qDebug("failed to get surfaceID");
+            ret = -1;
+        }
+        else {
+            qDebug("surfaceID is set to %d", surface_id);
+            char buf[65];   // surface id is under 64bit(1.84E19,) so 65 is sufficient for buffer
+            snprintf(buf, 65, "%d", surface_id);
+            setenv("QT_IVI_SURFACE_ID", buf, 1);
+            ret = surface_id;
+        }
+    }
+    else {
+        ret = surface_id;
+    }
+    return ret;
+}
+
 int QLibWindowmanager::requestSurface(const QString &role) {
     this->graphic_role = role.toStdString();
     int surface_id = this->wm->requestSurface(this->graphic_role.c_str());