Add support for Zed code editor

Source/Editor/Modules/SourceCodeEditing/DefaultSourceCodeEditor.cs

@@ -40,10 +40,11 @@ namespace FlaxEditor.Modules.SourceCodeEditing
             var codeEditing = Editor.Instance.CodeEditing;
             var vsCode = codeEditing.GetInBuildEditor(CodeEditorTypes.VSCode);
             var rider = codeEditing.GetInBuildEditor(CodeEditorTypes.Rider);
+            var zed = codeEditing.GetInBuildEditor(CodeEditorTypes.Zed);
 
 #if PLATFORM_WINDOW
             // Favor the newest Visual Studio
-            for (int i = (int)CodeEditorTypes.VS2019; i >= (int)CodeEditorTypes.VS2008; i--)
+            for (int i = (int)CodeEditorTypes.VS2026; i >= (int)CodeEditorTypes.VS2008; i--)
             {
                 var visualStudio = codeEditing.GetInBuildEditor((CodeEditorTypes)i);
                 if (visualStudio != null)
@@ -66,6 +67,8 @@ namespace FlaxEditor.Modules.SourceCodeEditing
                 _currentEditor = vsCode;
             else if (rider != null)
                 _currentEditor = rider;
+            else if (zed != null)
+                _currentEditor = zed;
             else
                 _currentEditor = codeEditing.GetInBuildEditor(CodeEditorTypes.SystemDefault);
         }

Source/Editor/Modules/SourceCodeEditing/InBuildSourceCodeEditor.cs

@@ -66,6 +66,9 @@ namespace FlaxEditor.Modules.SourceCodeEditing
             case CodeEditorTypes.Rider:
                 Name = "Rider";
                 break;
+            case CodeEditorTypes.Zed:
+                Name = "Zed";
+                break;
             default: throw new ArgumentOutOfRangeException(nameof(type), type, null);
             }
         }
@@ -83,6 +86,7 @@ namespace FlaxEditor.Modules.SourceCodeEditing
                 case CodeEditorTypes.VSCodeInsiders:
                 case CodeEditorTypes.VSCode: return "-vscode -vs2022";
                 case CodeEditorTypes.Rider: return "-vs2022";
+                case CodeEditorTypes.Zed: return "-vs2022";
                 default: return null;
                 }
             }

Source/Editor/Scripting/CodeEditor.cpp

@@ -6,6 +6,7 @@
 #include "ScriptsBuilder.h"
 #include "CodeEditors/VisualStudioCodeEditor.h"
 #include "CodeEditors/RiderCodeEditor.h"
+#include "CodeEditors/ZedEditor.h"
 #if USE_VISUAL_STUDIO_DTE
 #include "CodeEditors/VisualStudio/VisualStudioEditor.h"
 #endif
@@ -241,6 +242,7 @@ bool CodeEditingManagerService::Init()
 #endif
     VisualStudioCodeEditor::FindEditors(&CodeEditors);
     RiderCodeEditor::FindEditors(&CodeEditors);
+    ZedEditor::FindEditors(&CodeEditors);
     CodeEditors.Add(New<SystemDefaultCodeEditor>());
 
     return false;

Source/Editor/Scripting/CodeEditor.h

@@ -77,6 +77,11 @@ API_ENUM(Namespace="FlaxEditor", Attributes="HideInEditor") enum class CodeEdito
     /// </summary>
     VSCodeInsiders,
 
+    /// <summary>
+    /// Zed
+    /// </summary>
+    Zed,
+
     /// <summary>
     /// Rider
     /// </summary>

Source/Editor/Scripting/CodeEditors/ZedEditor.cpp

@@ -0,0 +1,171 @@
+// Copyright (c) Wojciech Figat. All rights reserved.
+
+#include "ZedEditor.h"
+#include "Engine/Platform/FileSystem.h"
+#include "Engine/Platform/CreateProcessSettings.h"
+#include "Engine/Core/Log.h"
+#include "Editor/Editor.h"
+#include "Editor/ProjectInfo.h"
+#include "Editor/Scripting/ScriptsBuilder.h"
+#include "Engine/Engine/Globals.h"
+#if PLATFORM_LINUX
+#include <stdio.h>
+#elif PLATFORM_WINDOWS
+#include "Engine/Platform/Win32/IncludeWindowsHeaders.h"
+#elif PLATFORM_MAC
+#include "Engine/Platform/Apple/AppleUtils.h"
+#include <AppKit/AppKit.h>
+#endif
+
+ZedEditor::ZedEditor(const String& execPath)
+    : _execPath(execPath)
+    , _workspacePath(Globals::ProjectFolder)
+{
+}
+
+void ZedEditor::FindEditors(Array<CodeEditor*>* output)
+{
+#if PLATFORM_WINDOWS
+    String cmd;
+    if (Platform::ReadRegValue(HKEY_CURRENT_USER, TEXT("SOFTWARE\\Classes\\Applications\\Zed.exe\\shell\\open\\command"), TEXT(""), &cmd) || cmd.IsEmpty())
+    {
+        if (Platform::ReadRegValue(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\Classes\\Applications\\Zed.exe\\shell\\open\\command"), TEXT(""), &cmd) || cmd.IsEmpty())
+        {
+            // No hits in registry, try default path instead
+        }
+    }
+    String path;
+    if (cmd.IsEmpty())
+    {
+        path = cmd.Substring(1, cmd.Length() - String(TEXT("\" \"%1\"")).Length() - 1);
+    }
+    else
+    {
+        String localAppDataPath;
+        FileSystem::GetSpecialFolderPath(SpecialFolder::LocalAppData, localAppDataPath);
+        path = localAppDataPath / TEXT("Programs/Zed/Zed.exe");
+    }
+    if (FileSystem::FileExists(path))
+    {
+        output->Add(New<ZedEditor>(path));
+    }
+#elif PLATFORM_LINUX
+    char buffer[128];
+    FILE* pipe = popen("/bin/bash -c \"type -p code\"", "r");
+    if (pipe)
+    {
+        StringAnsi pathAnsi;
+        while (fgets(buffer, sizeof(buffer), pipe) != NULL)
+            pathAnsi += buffer;
+        pclose(pipe);
+        const String path(pathAnsi.Get(), pathAnsi.Length() != 0 ? pathAnsi.Length() - 1 : 0);
+        if (FileSystem::FileExists(path))
+        {
+            output->Add(New<VisualStudioCodeEditor>(path, false));
+            return;
+        }
+    }
+    {
+        const String path(TEXT("/usr/bin/code"));
+        if (FileSystem::FileExists(path))
+        {
+            output->Add(New<VisualStudioCodeEditor>(path, false));
+            return;
+        }
+    }
+
+    // Detect Flatpak installations
+    {
+        CreateProcessSettings procSettings;
+        procSettings.FileName = TEXT("/bin/bash -c \"flatpak list --app --columns=application | grep com.visualstudio.code -c\"");
+        procSettings.HiddenWindow = true;
+        if (Platform::CreateProcess(procSettings) == 0)
+        {
+            const String runPath(TEXT("flatpak run com.visualstudio.code"));
+            output->Add(New<VisualStudioCodeEditor>(runPath, false));
+            return;
+        }
+    }
+#elif PLATFORM_MAC
+    // System installed app
+    NSURL* AppURL = [[NSWorkspace sharedWorkspace]URLForApplicationWithBundleIdentifier:@"com.microsoft.VSCode"];
+    if (AppURL != nullptr)
+    {
+        const String path = AppleUtils::ToString((CFStringRef)[AppURL path]);
+        output->Add(New<VisualStudioCodeEditor>(path, false));
+        return;
+    }
+
+    // Predefined locations
+    String userFolder;
+    FileSystem::GetSpecialFolderPath(SpecialFolder::Documents, userFolder);
+    String paths[3] =
+    {
+        TEXT("/Applications/Visual Studio Code.app"),
+        userFolder + TEXT("/../Visual Studio Code.app"),
+        userFolder + TEXT("/../Downloads/Visual Studio Code.app"),
+    };
+    for (const String& path : paths)
+    {
+        if (FileSystem::DirectoryExists(path))
+        {
+            output->Add(New<VisualStudioCodeEditor>(path, false));
+            break;
+        }
+    }
+#endif
+}
+
+CodeEditorTypes ZedEditor::GetType() const
+{
+    return CodeEditorTypes::Zed;
+}
+
+String ZedEditor::GetName() const
+{
+    return TEXT("Zed");
+}
+
+void ZedEditor::OpenFile(const String& path, int32 line)
+{
+    // Generate VS solution files for intellisense
+    if (!FileSystem::FileExists(Globals::ProjectFolder / Editor::Project->Name + TEXT(".sln")))
+    {
+        ScriptsBuilder::GenerateProject(TEXT("-vs2022"));
+    }
+
+    // Open file
+    line = line > 0 ? line : 1;
+    CreateProcessSettings procSettings;
+    procSettings.FileName = _execPath;
+    procSettings.Arguments = String::Format(TEXT("\"{0}\" \"{1}:{2}\""), _workspacePath, path, line);
+    procSettings.HiddenWindow = false;
+    procSettings.WaitForEnd = false;
+    procSettings.LogOutput = false;
+    procSettings.ShellExecute = true;
+    Platform::CreateProcess(procSettings);
+}
+
+void ZedEditor::OpenSolution()
+{
+    // Generate VS solution files for intellisense
+    if (!FileSystem::FileExists(Globals::ProjectFolder / Editor::Project->Name + TEXT(".sln")))
+    {
+        ScriptsBuilder::GenerateProject(TEXT("-vs2022"));
+    }
+
+    // Open solution
+    CreateProcessSettings procSettings;
+    procSettings.FileName = _execPath;
+    procSettings.Arguments = String::Format(TEXT("\"{0}\""), _workspacePath);
+    procSettings.HiddenWindow = false;
+    procSettings.WaitForEnd = false;
+    procSettings.LogOutput = false;
+    procSettings.ShellExecute = true;
+    Platform::CreateProcess(procSettings);
+}
+
+bool ZedEditor::UseAsyncForOpen() const
+{
+    return false;
+}

Source/Editor/Scripting/CodeEditors/ZedEditor.h

@@ -0,0 +1,41 @@
+// Copyright (c) Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Editor/Scripting/CodeEditor.h"
+
+/// <summary>
+/// Implementation of code editor utility that is using Microsoft Visual Studio Code.
+/// </summary>
+class ZedEditor : public CodeEditor
+{
+private:
+
+    String _execPath;
+    String _workspacePath;
+
+public:
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="VisualStudioEditor"/> class.
+    /// </summary>
+    /// <param name="execPath">Executable file path</param>
+    ZedEditor(const String& execPath);
+
+public:
+
+    /// <summary>
+    /// Tries to find installed Visual Studio Code instance. Adds them to the result list.
+    /// </summary>
+    /// <param name="output">The output editors.</param>
+    static void FindEditors(Array<CodeEditor*>* output);
+
+public:
+
+    // [CodeEditor]
+    CodeEditorTypes GetType() const override;
+    String GetName() const override;
+    void OpenFile(const String& path, int32 line) override;
+    void OpenSolution() override;
+    bool UseAsyncForOpen() const override;
+};