From 0a4cb9e9b107bdce067643b7f3c73090a70ef3de Mon Sep 17 00:00:00 2001
From: Ari Vuollet <ari.vuollet@goat.moe>
Date: Sun, 2 Feb 2025 18:34:47 +0200
Subject: [PATCH] Show current display server in Editor window tooltip

(cherry picked from commit 62968dd4376bb0a3c0aa09316174e0e00a9ea31b)
---
 Source/Editor/GUI/MainMenu.cs                |  4 +++-
 Source/Engine/Platform/Base/PlatformBase.cpp |  9 +++++++++
 Source/Engine/Platform/Base/PlatformBase.h   |  5 +++++
 Source/Engine/Platform/SDL/SDLPlatform.cpp   | 12 ++++++++++++
 Source/Engine/Platform/SDL/SDLPlatform.h     |  1 +
 5 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/Source/Editor/GUI/MainMenu.cs b/Source/Editor/GUI/MainMenu.cs
index 99439539f..e370e2dd3 100644
--- a/Source/Editor/GUI/MainMenu.cs
+++ b/Source/Editor/GUI/MainMenu.cs
@@ -84,13 +84,15 @@ namespace FlaxEditor.GUI
 
                 ScriptsBuilder.GetBinariesConfiguration(out _, out _, out _, out var configuration);
 
+                var driver = Platform.DisplayServer;
+
                 _icon = new Image
                 {
                     Margin = new Margin(6, 6, 6, 6),
                     Brush = new TextureBrush(windowIcon),
                     Color = Style.Current.Foreground,
                     KeepAspectRatio = false,
-                    TooltipText = string.Format("{0}\nVersion {1}\nConfiguration {3}\nGraphics {2}", _window.Title, Globals.EngineVersion, GPUDevice.Instance.RendererType, configuration),
+                    TooltipText = string.Format("{0}\nVersion {1}\nConfiguration {3}\nGraphics {2} {4}", _window.Title, Globals.EngineVersion, GPUDevice.Instance.RendererType, configuration, driver),
                     Parent = this,
                 };
 
diff --git a/Source/Engine/Platform/Base/PlatformBase.cpp b/Source/Engine/Platform/Base/PlatformBase.cpp
index c9661709f..d16521c24 100644
--- a/Source/Engine/Platform/Base/PlatformBase.cpp
+++ b/Source/Engine/Platform/Base/PlatformBase.cpp
@@ -262,6 +262,15 @@ PlatformType PlatformBase::GetPlatformType()
     return PLATFORM_TYPE;
 }
 
+#if !PLATFORM_SDL
+
+String PlatformBase::GetDisplayServer()
+{
+    return String::Empty;
+}
+
+#endif
+
 bool PlatformBase::Is64BitApp()
 {
 #if PLATFORM_64BITS
diff --git a/Source/Engine/Platform/Base/PlatformBase.h b/Source/Engine/Platform/Base/PlatformBase.h
index 0b5cab0bc..e7cc6e8e3 100644
--- a/Source/Engine/Platform/Base/PlatformBase.h
+++ b/Source/Engine/Platform/Base/PlatformBase.h
@@ -369,6 +369,11 @@ public:
     /// </summary>
     API_PROPERTY() static PlatformType GetPlatformType();
 
+    /// <summary>
+    /// Returns the display server name on Linux.
+    /// </summary>
+    API_PROPERTY() static String GetDisplayServer() = delete;
+
     /// <summary>
     /// Returns true if is running 64 bit application (otherwise 32 bit). It's compile-time constant.
     /// </summary>
diff --git a/Source/Engine/Platform/SDL/SDLPlatform.cpp b/Source/Engine/Platform/SDL/SDLPlatform.cpp
index 790d6498a..84861752d 100644
--- a/Source/Engine/Platform/SDL/SDLPlatform.cpp
+++ b/Source/Engine/Platform/SDL/SDLPlatform.cpp
@@ -166,6 +166,18 @@ bool SDLPlatform::HandleEvent(SDL_Event& event)
     return true;
 }
 
+String SDLPlatform::GetDisplayServer()
+{
+#if PLATFORM_LINUX
+    String driver(SDL_GetCurrentVideoDriver());
+    if (driver.Length() > 0)
+        driver[0] = StringUtils::ToUpper(driver[0]);
+    return driver;
+#else
+    return String::Empty;
+#endif
+}
+
 BatteryInfo SDLPlatform::GetBatteryInfo()
 {
     BatteryInfo info;
diff --git a/Source/Engine/Platform/SDL/SDLPlatform.h b/Source/Engine/Platform/SDL/SDLPlatform.h
index 8f374e400..52f8b8bfe 100644
--- a/Source/Engine/Platform/SDL/SDLPlatform.h
+++ b/Source/Engine/Platform/SDL/SDLPlatform.h
@@ -63,6 +63,7 @@ public:
     static bool Init();
     static void LogInfo();
     static void Tick();
+    static String GetDisplayServer();
     static void SetHighDpiAwarenessEnabled(bool enable);
     static BatteryInfo GetBatteryInfo();
     static int32 GetDpi();