From c9fe9213b33835e79432d5a4c801efd83c4aba62 Mon Sep 17 00:00:00 2001
From: xxSeys1 <kaktusreiniger@gmail.com>
Date: Mon, 2 Jun 2025 23:25:50 +0200
Subject: [PATCH] add showing all commands if prompt is whitespace(s)

---
 Source/Editor/Windows/OutputLogWindow.cs | 11 ++++++++---
 Source/Engine/Debug/DebugCommands.cpp    | 11 +++++++++++
 Source/Engine/Debug/DebugCommands.h      |  7 +++++++
 3 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/Source/Editor/Windows/OutputLogWindow.cs b/Source/Editor/Windows/OutputLogWindow.cs
index 5c6e9a27e..7d3dfa644 100644
--- a/Source/Editor/Windows/OutputLogWindow.cs
+++ b/Source/Editor/Windows/OutputLogWindow.cs
@@ -325,12 +325,17 @@ namespace FlaxEditor.Windows
 
                 // Show commands search popup based on current text input
                 var text = Text.Trim();
-                if (text.Length != 0)
+                bool isWhitespaceOnly = string.IsNullOrWhiteSpace(Text) && !string.IsNullOrEmpty(Text);
+                if (text.Length != 0 || isWhitespaceOnly)
                 {
                     DebugCommands.Search(text, out var matches);
-                    if (matches.Length != 0)
+                    if (matches.Length != 0 || isWhitespaceOnly)
                     {
-                        ShowPopup(ref _searchPopup, matches, text);
+                        string[] commands = [];
+                        if (isWhitespaceOnly)
+                            DebugCommands.GetAllCommands(out commands);
+
+                        ShowPopup(ref _searchPopup, isWhitespaceOnly ? commands : matches, isWhitespaceOnly ? commands[0] : text);
                         return;
                     }
                 }
diff --git a/Source/Engine/Debug/DebugCommands.cpp b/Source/Engine/Debug/DebugCommands.cpp
index 5d94cf557..9c66341ab 100644
--- a/Source/Engine/Debug/DebugCommands.cpp
+++ b/Source/Engine/Debug/DebugCommands.cpp
@@ -435,6 +435,17 @@ void DebugCommands::InitAsync()
     AsyncTask = Task::StartNew(InitCommands);
 }
 
+void DebugCommands::GetAllCommands(Array<StringView>& commands)
+{
+    EnsureInited();
+    ScopeLock lock(Locker);
+
+    for (auto& command : Commands)
+    {
+        commands.Add(command.Name);
+    }
+}
+
 DebugCommands::CommandFlags DebugCommands::GetCommandFlags(StringView command)
 {
     CommandFlags result = CommandFlags::None;
diff --git a/Source/Engine/Debug/DebugCommands.h b/Source/Engine/Debug/DebugCommands.h
index 73b2def69..6028ab9d8 100644
--- a/Source/Engine/Debug/DebugCommands.h
+++ b/Source/Engine/Debug/DebugCommands.h
@@ -46,6 +46,13 @@ public:
     /// </summary>
     API_FUNCTION() static void InitAsync();
 
+    /// <summary>
+    /// Gets all available commands.
+    /// </summary>
+    /// <param name="matches">The output list of all commands (unsorted).</param>
+    /// <returns>TODO.</returns>
+    API_FUNCTION() static void GetAllCommands(API_PARAM(Out) Array<StringView, HeapAllocation>& commands);
+
     /// <summary>
     /// Returns flags of the command.
     /// </summary>