diff --git a/src/native/common/common_tools.c b/src/native/common/common_tools.c
index 7d1fe8ad..5ec7e9ad 100644
--- a/src/native/common/common_tools.c
+++ b/src/native/common/common_tools.c
@@ -70,6 +70,22 @@ void setDebugEnabled(bool enable) {
 	debug = enable;
 }
 
+void printfDebugJava(JNIEnv *env, const char *format, ...) {
+	#define BUFFER_SIZE 4000
+	static char buffer[BUFFER_SIZE];
+	va_list ap;
+	va_start(ap, format);
+	if (isDebugEnabled()) {
+		vsnprintf(buffer, BUFFER_SIZE, format, ap);
+		buffer[BUFFER_SIZE - 1] = '\0';
+		jstring str = (*env)->NewStringUTF(env, buffer);
+		jclass org_lwjgl_Sys_class = (*env)->FindClass(env, "org/lwjgl/Sys");
+		jmethodID log_method = (*env)->GetMethodID(env, org_lwjgl_Sys_class, "log", "(Ljava/lang/String;)V");
+		(*env)->CallStaticVoidMethod(env, org_lwjgl_Sys_class, log_method, str);
+	}
+	va_end(ap);
+}
+
 void printfDebug(const char *format, ...) {
 	va_list ap;
 	va_start(ap, format);
diff --git a/src/native/common/common_tools.h b/src/native/common/common_tools.h
index 6a1beb24..149ff519 100644
--- a/src/native/common/common_tools.h
+++ b/src/native/common/common_tools.h
@@ -130,6 +130,7 @@ extern void throwException(JNIEnv *env, const char *msg);
 extern void throwOpenALException(JNIEnv * env, const char * err);
 extern void throwFMODException(JNIEnv * env, const char * err);
 extern void setDebugEnabled(bool enable);
+extern void printfDebugJava(JNIEnv *env, const char *format, ...);
 extern void printfDebug(const char *format, ...);
 extern bool getBooleanProperty(JNIEnv *env, const char* propertyName);
 extern char * GetStringNativeChars(JNIEnv *env, jstring jstr);
diff --git a/src/native/linux/org_lwjgl_opengl_Display.c b/src/native/linux/org_lwjgl_opengl_Display.c
index a84ad744..93a7b84e 100644
--- a/src/native/linux/org_lwjgl_opengl_Display.c
+++ b/src/native/linux/org_lwjgl_opengl_Display.c
@@ -785,7 +785,7 @@ JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_LinuxDisplay_isCloseRequested
 
 JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_LinuxDisplay_isActive
   (JNIEnv *env, jobject this) {
-	return focused ? JNI_TRUE : JNI_FALSE;
+	return focused || isLegacyFullscreen() ? JNI_TRUE : JNI_FALSE;
 }
 
 JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_setVSyncEnabled