From ed8b5bc28381c2ce97520c13d1280d05d71b7fd7 Mon Sep 17 00:00:00 2001
From: SoraTenshi <dream@neoncity.dev>
Date: Wed, 13 Sep 2023 23:16:33 +0200
Subject: [PATCH] macos: allow to hide decorations

---
 include/ghostty.h                                   |  2 ++
 .../Features/Primary Window/PrimaryWindow.swift     | 13 +++++++++++--
 src/config/CAPI.zig                                 |  4 ++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/include/ghostty.h b/include/ghostty.h
index 7b4afa1d5..48c1990bc 100644
--- a/include/ghostty.h
+++ b/include/ghostty.h
@@ -309,6 +309,7 @@ typedef struct {
     void *nsview;
     double scale_factor;
     uint16_t font_size;
+    bool render_decoration;
 } ghostty_surface_config_s;
 
 typedef void (*ghostty_runtime_wakeup_cb)(void *);
@@ -364,6 +365,7 @@ bool ghostty_config_get(ghostty_config_t, void *, const char *, uintptr_t);
 ghostty_input_trigger_s ghostty_config_trigger(ghostty_config_t, const char *, uintptr_t);
 uint32_t ghostty_config_errors_count(ghostty_config_t);
 ghostty_error_s ghostty_config_get_error(ghostty_config_t, uint32_t);
+bool ghostty_config_render_decoration(ghostty_config_t);
 
 ghostty_app_t ghostty_app_new(const ghostty_runtime_config_s *, ghostty_config_t);
 void ghostty_app_free(ghostty_app_t);
diff --git a/macos/Sources/Features/Primary Window/PrimaryWindow.swift b/macos/Sources/Features/Primary Window/PrimaryWindow.swift
index b959e494b..258c7d19b 100644
--- a/macos/Sources/Features/Primary Window/PrimaryWindow.swift	
+++ b/macos/Sources/Features/Primary Window/PrimaryWindow.swift	
@@ -15,11 +15,20 @@ class FocusedSurfaceWrapper {
 // such as non-native fullscreen.
 class PrimaryWindow: NSWindow {
     var focusedSurfaceWrapper: FocusedSurfaceWrapper = FocusedSurfaceWrapper()
-
+    
+    static func getStyleMask(render_decoration: Bool) -> NSWindow.StyleMask {
+        var mask: NSWindow.StyleMask = [.resizable, .closable, .miniaturizable]
+        if render_decoration {
+            mask.insert(.titled)
+        }
+        return mask
+    }
+    
     static func create(ghostty: Ghostty.AppState, appDelegate: AppDelegate, baseConfig: ghostty_surface_config_s? = nil) -> PrimaryWindow {
+        let decorations = baseConfig?.render_decoration ?? ghostty_config_render_decoration(ghostty.config)
         let window = PrimaryWindow(
             contentRect: NSRect(x: 0, y: 0, width: 800, height: 600),
-            styleMask: [.titled, .closable, .miniaturizable, .resizable],
+            styleMask: getStyleMask(render_decoration: decorations),
             backing: .buffered,
             defer: false)
         window.center()
diff --git a/src/config/CAPI.zig b/src/config/CAPI.zig
index be2a491e7..46cc8edad 100644
--- a/src/config/CAPI.zig
+++ b/src/config/CAPI.zig
@@ -119,6 +119,10 @@ export fn ghostty_config_get_error(self: *Config, idx: u32) Error {
     return .{ .message = err.message.ptr };
 }
 
+export fn ghostty_config_render_decoration(self: *Config) bool {
+    return self.@"window-decoration";
+}
+
 /// Sync with ghostty_error_s
 const Error = extern struct {
     message: [*:0]const u8 = "",