From f3d5c7e185fe2081db86ed27b30fe567216074cd Mon Sep 17 00:00:00 2001
From: Quantum <quantum2048@gmail.com>
Date: Sat, 18 Jul 2026 14:51:08 -0400
Subject: [PATCH] [idd] helper: hook up exclusive monitor toggle to registry

---
 idd/LGIddHelper/CConfigWindow.cpp | 10 ++++++++++
 idd/LGIddHelper/CConfigWindow.h   |  1 +
 2 files changed, 11 insertions(+)

diff --git a/idd/LGIddHelper/CConfigWindow.cpp b/idd/LGIddHelper/CConfigWindow.cpp
index 48207a6c..1db2a7ec 100644
--- a/idd/LGIddHelper/CConfigWindow.cpp
+++ b/idd/LGIddHelper/CConfigWindow.cpp
@@ -52,6 +52,7 @@ CConfigWindow::CConfigWindow() : m_scale(1)
     m_modes = m_settings.getModes();
     m_defaultRefresh = m_settings.getDefaultRefresh();
     m_noGPU = m_settings.getNoGPU();
+    m_exclusive = m_settings.getExclusiveMonitor();
   }
 
   if (!CreateWindowEx(0, MAKEINTATOM(s_atom), L"Looking Glass IDD Configuration",
@@ -187,6 +188,9 @@ LRESULT CConfigWindow::onCreate()
   if (m_noGPU)
     m_prefNoGPU->setChecked(*m_noGPU);
 
+  if (m_exclusive)
+    m_prefExclusive->setChecked(*m_exclusive);
+
   LONG width, height;
   getMinimumSize(width, height);
   SetWindowPos(m_hwnd, NULL, 0, 0, width, height, SWP_NOMOVE | SWP_NOZORDER);
@@ -330,6 +334,12 @@ LRESULT CConfigWindow::onCommand(WORD id, WORD code, HWND hwnd)
     m_settings.setNoGPU(*m_noGPU);
     m_prefNoGPU->setChecked(*m_noGPU);
   }
+  else if (m_prefExclusive && hwnd == *m_prefExclusive && code == BN_CLICKED && m_exclusive)
+  {
+    *m_exclusive ^= true;
+    m_settings.setExclusiveMonitor(*m_exclusive);
+    m_prefExclusive->setChecked(*m_exclusive);
+  }
   else if (m_modeSave && hwnd == *m_modeSave && code == BN_CLICKED)
   {
     bool updated = false;
diff --git a/idd/LGIddHelper/CConfigWindow.h b/idd/LGIddHelper/CConfigWindow.h
index b5ab7aad..9d93627f 100644
--- a/idd/LGIddHelper/CConfigWindow.h
+++ b/idd/LGIddHelper/CConfigWindow.h
@@ -74,6 +74,7 @@ class CConfigWindow : public CWindow
   std::optional<std::vector<DisplayMode>> m_modes;
   std::optional<DWORD> m_defaultRefresh;
   std::optional<bool> m_noGPU;
+  std::optional<bool> m_exclusive;
 
   void getMinimumSize(LONG &width, LONG &height);
   void updateFont();