From 0e5d11f9cdc2e5f7ad60c0ceba270467e387fd2e Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Mon, 7 Aug 2023 19:12:24 -0500
Subject: [PATCH] fix system file picker ins preview

---
 extern/nfd-modified/src/nfd_win.cpp | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/extern/nfd-modified/src/nfd_win.cpp b/extern/nfd-modified/src/nfd_win.cpp
index 9c12c3485..c60f7a753 100644
--- a/extern/nfd-modified/src/nfd_win.cpp
+++ b/extern/nfd-modified/src/nfd_win.cpp
@@ -532,6 +532,9 @@ nfdresult_t NFD_OpenDialogMultiple( const std::vector<std::string>& filterList,
                                     nfdselcallback_t selCallback )
 {
     nfdresult_t nfdResult = NFD_ERROR;
+    NFDWinEvents* winEvents;
+    bool hasEvents=true;
+    DWORD eventID=0;
 
 
     HRESULT coResult = COMInit();
@@ -566,6 +569,16 @@ nfdresult_t NFD_OpenDialogMultiple( const std::vector<std::string>& filterList,
         goto end;
     }
 
+    // Pass the callback
+    winEvents=new NFDWinEvents(selCallback);
+    if ( !SUCCEEDED(fileOpenDialog->Advise(winEvents,&eventID)) ) {
+      // error... ignore
+      hasEvents=false;
+      winEvents->Release();
+    } else {
+      winEvents->Release();
+    }
+
     // Set a flag for multiple options
     DWORD dwFlags;
     result = fileOpenDialog->GetOptions(&dwFlags);
@@ -613,8 +626,12 @@ nfdresult_t NFD_OpenDialogMultiple( const std::vector<std::string>& filterList,
     }
 
 end:
-    if ( fileOpenDialog )
+    if (fileOpenDialog) {
+        if (hasEvents) {
+          fileOpenDialog->Unadvise(eventID);
+        }
         fileOpenDialog->Release();
+    }
 
     COMUninit(coResult);