From 926b19272273ae284a3683cd7bd2d33f8e914716 Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Sat, 22 Sep 2018 14:16:48 -0700
Subject: [PATCH] Warn portable users if they download the wrong version

---
 app/gui/PcView.qml                    | 14 ++++++++++++++
 app/settings/streamingpreferences.cpp |  9 +++++++++
 app/settings/streamingpreferences.h   |  2 ++
 3 files changed, 25 insertions(+)

diff --git a/app/gui/PcView.qml b/app/gui/PcView.qml
index bfdc2e82..6c22d80c 100644
--- a/app/gui/PcView.qml
+++ b/app/gui/PcView.qml
@@ -37,6 +37,9 @@ GridView {
         if (prefs.isRunningWayland()) {
             waylandDialog.open()
         }
+        else if (prefs.isWow64()) {
+            wow64Dialog.open()
+        }
         else if (!prefs.hasAnyHardwareAcceleration()) {
             noHwDecoderDialog.open()
         }
@@ -224,6 +227,17 @@ GridView {
         }
     }
 
+    MessageDialog {
+        id: wow64Dialog
+        modality:Qt.WindowModal
+        icon: StandardIcon.Warning
+        standardButtons: StandardButton.Ok | StandardButton.Cancel
+        text: "This PC is running a 64-bit version of Windows. Please download the x64 version of Moonlight for the best streaming performance."
+        onAccepted: {
+            Qt.openUrlExternally("https://github.com/moonlight-stream/moonlight-qt/releases");
+        }
+    }
+
     MessageDialog {
         id: pairDialog
         // don't allow edits to the rest of the window while open
diff --git a/app/settings/streamingpreferences.cpp b/app/settings/streamingpreferences.cpp
index 2d5b2a9e..06ed5a38 100644
--- a/app/settings/streamingpreferences.cpp
+++ b/app/settings/streamingpreferences.cpp
@@ -89,6 +89,15 @@ bool StreamingPreferences::isRunningWayland()
     return qgetenv("XDG_SESSION_TYPE") == QByteArray("wayland");
 }
 
+bool StreamingPreferences::isWow64()
+{
+#ifdef Q_OS_WIN32
+    return QSysInfo::currentCpuArchitecture() != QSysInfo::buildCpuArchitecture();
+#else
+    return false;
+#endif
+}
+
 int StreamingPreferences::getMaximumStreamingFrameRate()
 {
     // Never let the maximum drop below 60 FPS
diff --git a/app/settings/streamingpreferences.h b/app/settings/streamingpreferences.h
index 673fc738..2cd1395f 100644
--- a/app/settings/streamingpreferences.h
+++ b/app/settings/streamingpreferences.h
@@ -19,6 +19,8 @@ public:
 
     Q_INVOKABLE static bool isRunningWayland();
 
+    Q_INVOKABLE static bool isWow64();
+
     Q_INVOKABLE static int getMaximumStreamingFrameRate();
 
     Q_INVOKABLE QRect getDesktopResolution(int displayIndex);