From 1ceff8091447bee732cdefa0a5efda541f36052e Mon Sep 17 00:00:00 2001
From: ZGaetano <zgaetano@wilddragon.net>
Date: Wed, 6 May 2026 20:34:22 -0400
Subject: [PATCH] Update dragonrelaybackend.cpp

---
 app/vpn/dragonrelaybackend.cpp | 38 ++++++++++++++++++++++++++--------
 1 file changed, 29 insertions(+), 9 deletions(-)

diff --git a/app/vpn/dragonrelaybackend.cpp b/app/vpn/dragonrelaybackend.cpp
index b2362e7..bc64874 100644
--- a/app/vpn/dragonrelaybackend.cpp
+++ b/app/vpn/dragonrelaybackend.cpp
@@ -99,7 +99,7 @@ void DragonRelayBackend::disconnectRelay() {
 
 // ── streamHost ────────────────────────────────────────────────────────────────
 
-void DragonRelayBackend::streamHost(const QString &ip, const QString &app) {
+void DragonRelayBackend::streamHost(const QString &ip, const QString &app, int displayIndex) {
     if (m_status != Ready && m_status != TunnelUp) {
         qWarning() << "DragonRelayBackend::streamHost called while not ready";
         return;
@@ -109,24 +109,44 @@ void DragonRelayBackend::streamHost(const QString &ip, const QString &app) {
     // via a QProcess for now so we don't have to patch PC discovery internals.
     // TODO: wire directly into Moonlight's ComputerManager once the fork is
     //       more deeply integrated.
+    
+    qDebug() << "DragonRelayBackend::streamHost called with ip=" << ip 
+             << "app=" << app << "displayIndex=" << displayIndex;
+    
 #if defined(Q_OS_WIN)
-    QProcess::startDetached(QStringLiteral("moonlight"), {
+    QStringList args{
         QStringLiteral("stream"),
         ip,
         app
-    });
+    };
+    // TODO: map displayIndex to Moonlight --display flag or similar
+    // For now, log displayIndex and pass without flag
+    if (displayIndex > 0) {
+        qDebug() << "Display index" << displayIndex << "requested (Moonlight --display flag TODO)";
+    }
+    QProcess::startDetached(QStringLiteral("moonlight"), args);
 #elif defined(Q_OS_MACOS)
-    QProcess::startDetached(QStringLiteral("moonlight"), {
+    QStringList args{
         QStringLiteral("stream"),
         ip,
         app
-    });
+    };
+    // TODO: map displayIndex to Moonlight --display flag or similar
+    if (displayIndex > 0) {
+        qDebug() << "Display index" << displayIndex << "requested (Moonlight --display flag TODO)";
+    }
+    QProcess::startDetached(QStringLiteral("moonlight"), args);
 #else
-    QProcess::startDetached(QStringLiteral("moonlight"), {
+    QStringList args{
         QStringLiteral("stream"),
         ip,
         app
-    });
+    };
+    // TODO: map displayIndex to Moonlight --display flag or similar
+    if (displayIndex > 0) {
+        qDebug() << "Display index" << displayIndex << "requested (Moonlight --display flag TODO)";
+    }
+    QProcess::startDetached(QStringLiteral("moonlight"), args);
 #endif
 }
 
@@ -140,8 +160,8 @@ QVariantList DragonRelayBackend::displaysForHost(const QString &hostIP) const {
 
 void DragonRelayBackend::streamHostDisplay(const QString &hostIP, int displayIndex) {
     qDebug() << "Streaming host" << hostIP << "display index" << displayIndex;
-    // TODO(Task 24): Pass displayIndex to streamHost command when display selection is wired
-    streamHost(hostIP);
+    // Pass displayIndex to streamHost
+    streamHost(hostIP, QStringLiteral("Desktop"), displayIndex);
 }
 
 // ── refreshHosts ─────────────────────────────────────────────────────────────