From 11cafbff1d47b6ff0717f909183fc7129c3b03b0 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf@nereid.pl>
Date: Sun, 30 Oct 2022 00:36:07 +0200
Subject: Expose internal file selector failure state.

---
 server/TracyFileselector.cpp | 29 +++++++++++++++++++++++++++--
 server/TracyFileselector.hpp |  6 +++---
 2 files changed, 30 insertions(+), 5 deletions(-)

diff --git a/server/TracyFileselector.cpp b/server/TracyFileselector.cpp
index d4783568..be98f897 100644
--- a/server/TracyFileselector.cpp
+++ b/server/TracyFileselector.cpp
@@ -11,6 +11,8 @@
 namespace tracy::Fileselector
 {
 
+static bool s_hasFailed = false;
+
 void Init()
 {
 #if !defined TRACY_NO_FILESELECTOR && !defined __EMSCRIPTEN__
@@ -25,6 +27,19 @@ void Shutdown()
 #endif
 }
 
+bool HasFailed()
+{
+    if( s_hasFailed )
+    {
+        s_hasFailed = false;
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
 #ifdef __EMSCRIPTEN__
 static std::function<void(const char*)> s_openFileCallback;
 
@@ -35,7 +50,7 @@ extern "C" int nativeOpenFile()
 }
 #endif
 
-bool OpenFile( const char* ext, const char* desc, std::function<void(const char*)> callback )
+static bool OpenFileImpl( const char* ext, const char* desc, std::function<void(const char*)> callback )
 {
 #ifndef TRACY_NO_FILESELECTOR
 #  ifdef __EMSCRIPTEN__
@@ -73,7 +88,7 @@ bool OpenFile( const char* ext, const char* desc, std::function<void(const char*
     return false;
 }
 
-bool SaveFile( const char* ext, const char* desc, std::function<void(const char*)> callback )
+static bool SaveFileImpl( const char* ext, const char* desc, std::function<void(const char*)> callback )
 {
 #if !defined TRACY_NO_FILESELECTOR && !defined __EMSCRIPTEN__
     nfdu8filteritem_t filter = { desc, ext };
@@ -88,4 +103,14 @@ bool SaveFile( const char* ext, const char* desc, std::function<void(const char*
     return false;
 }
 
+void OpenFile( const char* ext, const char* desc, std::function<void(const char*)> callback )
+{
+    if( !OpenFileImpl( ext, desc, callback ) ) s_hasFailed = true;
+}
+
+void SaveFile( const char* ext, const char* desc, std::function<void(const char*)> callback )
+{
+    if( !SaveFileImpl( ext, desc, callback ) ) s_hasFailed = true;
+}
+
 }
diff --git a/server/TracyFileselector.hpp b/server/TracyFileselector.hpp
index 5844aa1e..cd22d7a8 100644
--- a/server/TracyFileselector.hpp
+++ b/server/TracyFileselector.hpp
@@ -8,10 +8,10 @@ namespace tracy::Fileselector
 
 void Init();
 void Shutdown();
+bool HasFailed();
 
-// Will return false if file selector cannot be presented to the user.
-bool OpenFile( const char* ext, const char* desc, std::function<void(const char*)> callback );
-bool SaveFile( const char* ext, const char* desc, std::function<void(const char*)> callback );
+void OpenFile( const char* ext, const char* desc, std::function<void(const char*)> callback );
+void SaveFile( const char* ext, const char* desc, std::function<void(const char*)> callback );
 
 }
 
-- 
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