macos: implement service provider

macos/Ghostty-Info.plist

@@ -22,6 +22,47 @@
 		<key>GHOSTTY_MAC_APP</key>
 		<string>1</string>
 	</dict>
+    <key>NSServices</key>
+    <array>
+        <dict>
+            <key>NSMenuItem</key>
+            <dict>
+                <key>default</key>
+                <string>New Ghostty Tab Here</string>
+            </dict>
+            <key>NSMessage</key>
+            <string>openTab</string>
+            <key>NSRequiredContext</key>
+            <dict>
+                <key>NSTextContent</key>
+                <string>FilePath</string>
+            </dict>
+            <key>NSSendTypes</key>
+            <array>
+                <string>NSFilenamesPboardType</string>
+                <string>public.plain-text</string>
+            </array>
+        </dict>
+        <dict>
+            <key>NSMenuItem</key>
+            <dict>
+                <key>default</key>
+                <string>New Ghostty Window Here</string>
+            </dict>
+            <key>NSMessage</key>
+            <string>openWindow</string>
+            <key>NSRequiredContext</key>
+            <dict>
+                <key>NSTextContent</key>
+                <string>FilePath</string>
+            </dict>
+            <key>NSSendTypes</key>
+            <array>
+                <string>NSFilenamesPboardType</string>
+                <string>public.plain-text</string>
+            </array>
+        </dict>
+    </array>
 	<key>NSHighResolutionCapable</key>
 	<true/>
 	<key>NSAppleEventsUsageDescription</key>

macos/Ghostty.xcodeproj/project.pbxproj

@@ -23,6 +23,7 @@
 		A55B7BBE29B701360055DE60 /* Ghostty.SplitView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A55B7BBD29B701360055DE60 /* Ghostty.SplitView.swift */; };
 		A56B880B2A840447007A0E29 /* Carbon.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A56B880A2A840447007A0E29 /* Carbon.framework */; };
 		A56D58862ACDDB4100508D2C /* Ghostty.Shell.swift in Sources */ = {isa = PBXBuildFile; fileRef = A56D58852ACDDB4100508D2C /* Ghostty.Shell.swift */; };
+		A56D58892ACDE6CA00508D2C /* ServiceProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = A56D58882ACDE6CA00508D2C /* ServiceProvider.swift */; };
 		A571AB1D2A206FCF00248498 /* GhosttyKit.xcframework in Frameworks */ = {isa = PBXBuildFile; fileRef = A5D495A1299BEC7E00DD1313 /* GhosttyKit.xcframework */; };
 		A59444F729A2ED5200725BBA /* SettingsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A59444F629A2ED5200725BBA /* SettingsView.swift */; };
 		A5A1F8852A489D6800D1E8BC /* terminfo in Resources */ = {isa = PBXBuildFile; fileRef = A5A1F8842A489D6800D1E8BC /* terminfo */; };
@@ -55,6 +56,7 @@
 		A55B7BBD29B701360055DE60 /* Ghostty.SplitView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Ghostty.SplitView.swift; sourceTree = "<group>"; };
 		A56B880A2A840447007A0E29 /* Carbon.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Carbon.framework; path = System/Library/Frameworks/Carbon.framework; sourceTree = SDKROOT; };
 		A56D58852ACDDB4100508D2C /* Ghostty.Shell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Ghostty.Shell.swift; sourceTree = "<group>"; };
+		A56D58882ACDE6CA00508D2C /* ServiceProvider.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ServiceProvider.swift; sourceTree = "<group>"; };
 		A571AB1C2A206FC600248498 /* Ghostty-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist; path = "Ghostty-Info.plist"; sourceTree = "<group>"; };
 		A59444F629A2ED5200725BBA /* SettingsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsView.swift; sourceTree = "<group>"; };
 		A5A1F8842A489D6800D1E8BC /* terminfo */ = {isa = PBXFileReference; lastKnownFileType = folder; name = terminfo; path = "../zig-out/share/terminfo"; sourceTree = "<group>"; };
@@ -89,6 +91,7 @@
 		A53426362A7DC53000EBB7A2 /* Features */ = {
 			isa = PBXGroup;
 			children = (
+				A56D58872ACDE6BE00508D2C /* Services */,
 				A53426372A7DC53A00EBB7A2 /* Primary Window */,
 				A534263E2A7DCC5800EBB7A2 /* Settings */,
 			);
@@ -156,6 +159,14 @@
 			path = Ghostty;
 			sourceTree = "<group>";
 		};
+		A56D58872ACDE6BE00508D2C /* Services */ = {
+			isa = PBXGroup;
+			children = (
+				A56D58882ACDE6CA00508D2C /* ServiceProvider.swift */,
+			);
+			path = Services;
+			sourceTree = "<group>";
+		};
 		A5A1F8862A489D7400D1E8BC /* Resources */ = {
 			isa = PBXGroup;
 			children = (
@@ -279,6 +290,7 @@
 			files = (
 				A53426392A7DC55C00EBB7A2 /* PrimaryWindowManager.swift in Sources */,
 				85DE1C922A6A3DCA00493853 /* PrimaryWindow.swift in Sources */,
+				A56D58892ACDE6CA00508D2C /* ServiceProvider.swift in Sources */,
 				A5278A9B2AA05B2600CD3039 /* Ghostty.Input.swift in Sources */,
 				A53426352A7DA53D00EBB7A2 /* AppDelegate.swift in Sources */,
 				A5CDF1952AAFA19600513312 /* ConfigurationErrorsView.swift in Sources */,

macos/Sources/AppDelegate.swift

@@ -40,7 +40,7 @@ class AppDelegate: NSObject, ObservableObject, NSApplicationDelegate, GhosttyApp
     private var ghostty: Ghostty.AppState = Ghostty.AppState()
     
     /// Manages windows and tabs, ensuring they're allocated/deallocated correctly
-    private var windowManager: PrimaryWindowManager!
+    var windowManager: PrimaryWindowManager!
     
     override init() {
         super.init()
@@ -72,6 +72,10 @@ class AppDelegate: NSObject, ObservableObject, NSApplicationDelegate, GhosttyApp
         
         // Initial config loading
         configDidReload(ghostty)
+        
+        // Register our service provider. This must happen after everything
+        // else is initialized.
+        NSApp.servicesProvider = ServiceProvider()
     }
     
     func applicationShouldTerminate(_ sender: NSApplication) -> NSApplication.TerminateReply {

macos/Sources/Features/Services/ServiceProvider.swift

@@ -0,0 +1,68 @@
+import Foundation
+import AppKit
+
+class ServiceProvider: NSObject {
+    static private let errorNoString = NSString(string: "Could not load any text from the clipboard.")
+    
+    /// The target for an open operation
+    enum OpenTarget {
+        case tab
+        case window
+    }
+    
+    @objc func openTab(
+        _ pasteboard: NSPasteboard,
+        userData: String?,
+        error: AutoreleasingUnsafeMutablePointer<NSString>
+    ) {
+        guard let str = pasteboard.string(forType: .string) else {
+            error.pointee = Self.errorNoString
+            return
+        }
+        
+        openTerminal(str, target: .tab)
+    }
+    
+    @objc func openWindow(
+        _ pasteboard: NSPasteboard,
+        userData: String?,
+        error: AutoreleasingUnsafeMutablePointer<NSString>
+    ) {
+        guard let str = pasteboard.string(forType: .string) else {
+            error.pointee = Self.errorNoString
+            return
+        }
+        
+        openTerminal(str, target: .window)
+    }
+    
+    private func openTerminal(_ path: String, target: OpenTarget) {
+        guard let delegateRaw = NSApp.delegate else { return }
+        guard let delegate = delegateRaw as? AppDelegate else { return }
+        guard let windowManager = delegate.windowManager else { return }
+        
+        // We only open in directories.
+        var isDirectory = ObjCBool(true)
+        guard FileManager.default.fileExists(atPath: path, isDirectory: &isDirectory) else { return }
+        guard isDirectory.boolValue else { return }
+        
+        // Build our config
+        var config = Ghostty.SurfaceConfiguration()
+        config.workingDirectory = path
+            
+        // If we don't have a window open through the window manager, we launch
+        // a new window even if they requested a tab.
+        guard let mainWindow = windowManager.mainWindow else {
+            windowManager.addNewWindow(withBaseConfig: config)
+            return
+        }
+        
+        switch (target) {
+        case .window:
+            windowManager.addNewWindow(withBaseConfig: config)
+            
+        case .tab:
+            windowManager.addNewTab(to: mainWindow, withBaseConfig: config)
+        }
+    }
+}