Merge remote-tracking branch 'origin/master' into sdl_platform

Source/Engine/Platform/Base/PlatformBase.cpp

@@ -52,6 +52,7 @@ Array<User*, FixedAllocation<8>> PlatformBase::Users;
 Delegate<User*> PlatformBase::UserAdded;
 Delegate<User*> PlatformBase::UserRemoved;
 void* OutOfMemoryBuffer = nullptr;
+volatile int64 FatalReporting = 0;
 
 const Char* ToString(NetworkConnectionType value)
 {
@@ -330,11 +331,20 @@ int32 PlatformBase::GetCacheLineSize()
 
 void PlatformBase::Fatal(const StringView& msg, void* context, FatalErrorType error)
 {
+    // Let only one thread to report the error (and wait for it to end to have valid log before crash)
+RETRY:
+    if (Platform::InterlockedCompareExchange(&FatalReporting, 1, 0) != 0)
+    {
+        Platform::Sleep(1);
+        goto RETRY;
+    }
+
     // Check if is already during fatal state
     if (Engine::FatalError != FatalErrorType::None)
     {
         // Just send one more error to the log and back
         LOG(Error, "Error after fatal error: {0}", msg);
+        Platform::AtomicStore(&FatalReporting, 0);
         return;
     }
 
@@ -453,6 +463,8 @@ void PlatformBase::Fatal(const StringView& msg, void* context, FatalErrorType er
     }
 #endif
 
+    Platform::AtomicStore(&FatalReporting, 0);
+
     // Show error message
     if (Engine::ReportCrash.IsBinded())
         Engine::ReportCrash(msg, context);

Source/Engine/Platform/Linux/LinuxWindow.cpp

@@ -18,6 +18,7 @@
 #include "Engine/Graphics/PixelFormatSampler.h"
 #include "Engine/Graphics/Textures/TextureData.h"
 #include "IncludeX11.h"
+#include "ThirdParty/X11/Xutil.h"
 
 // ICCCM
 #define WM_NormalState 1L // window normal state
@@ -178,6 +179,20 @@ LinuxWindow::LinuxWindow(const CreateWindowSettings& settings)
 		X11::XSetTransientForHint(display, window, (X11::Window)((LinuxWindow*)settings.Parent)->GetNativePtr());
 	}
 
+    // Provides class hint for WMs like Hyprland to hook onto and apply window rules
+    X11::XClassHint* classHint = X11::XAllocClassHint();
+    if (classHint)
+    {
+        const char* className = settings.IsRegularWindow ? "FlexEditor" : "FlaxPopup";
+
+        classHint->res_name = const_cast<char*>(className);
+        classHint->res_class = const_cast<char*>(className);
+
+        X11::XSetClassHint(display, window, classHint);
+
+        XFree(classHint);
+    }
+
     _dpi = Platform::GetDpi();
     _dpiScale = (float)_dpi / (float)DefaultDPI;