From cd6107aa1acc242f71da80d53dae06f8909c0180 Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <vital.had@gmail.com>
Date: Mon, 13 Jul 2026 11:08:18 +0800
Subject: [PATCH 2/6] Cocoa: support 10.5

---
 uitoolkit/quartz/cocoa.m                 | 39 +++++++++++++++++++++---
 uitoolkit/quartz/ui_event_source-cocoa.m |  4 +++
 2 files changed, 38 insertions(+), 5 deletions(-)

diff --git uitoolkit/quartz/cocoa.m uitoolkit/quartz/cocoa.m
index 02409cd4..9caca702 100644
--- uitoolkit/quartz/cocoa.m
+++ uitoolkit/quartz/cocoa.m
@@ -18,6 +18,16 @@
 #define USE_CGLAYER
 #endif
 
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
+#define STRING_PBOARD_TYPE NSPasteboardTypeString
+#else
+#define STRING_PBOARD_TYPE NSStringPboardType
+#endif
+
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+#include <pthread.h>
+#endif
+
 @interface MLTermView : NSView<NSTextInputClient> {
   ui_window_t *uiwindow;
   CGContextRef ctx;
@@ -117,9 +127,22 @@ static void exit_program_dispatch(void *context) {
 
 static void monitor_pty_dispatch(void *context) {
     ui_event_source_process();
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
     dispatch_sync_f(dispatch_get_main_queue(), NULL, exit_program_dispatch);
+#else
+    exit_program_dispatch(NULL);
+#endif
 }
 
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+static void *monitor_pty_thread(void *arg) {
+  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+  monitor_pty_dispatch(NULL);
+  [pool release];
+  return NULL;
+}
+#endif
+
 static void monitor_pty(void) {
 #if 0
   /* normal user (Don't call before NSApplicationMain()) */
@@ -127,8 +150,14 @@ static void monitor_pty(void) {
   bl_priv_change_egid(bl_getgid());
 #endif
 
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
   dispatch_async_f(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0),
                   NULL, monitor_pty_dispatch);
+#else
+  pthread_t thread;
+  pthread_create(&thread, NULL, monitor_pty_thread, NULL);
+  pthread_detach(thread);
+#endif
 }
 
 /* Undocumented */
@@ -1687,7 +1716,7 @@ u_int cocoa_font_get_advance(CGFontRef cg_font, u_int fontsize, int size_attr,
 void cocoa_clipboard_own(MLTermView *view) {
   NSPasteboard *pasteboard = [NSPasteboard generalPasteboard];
 
-  [pasteboard declareTypes:[NSArray arrayWithObject:NSPasteboardTypeString]
+  [pasteboard declareTypes:[NSArray arrayWithObject:STRING_PBOARD_TYPE]
                      owner:view];
 }
 
@@ -1698,7 +1727,7 @@ void cocoa_clipboard_set(const u_char *utf8, size_t len) {
                                              length:len
                                            encoding:NSUTF8StringEncoding];
 
-    [pasteboard setString:str forType:NSPasteboardTypeString];
+    [pasteboard setString:str forType:STRING_PBOARD_TYPE];
     [str release];
   }
 }
@@ -1708,9 +1737,9 @@ const char *cocoa_clipboard_get(void) {
   NSString *available;
 
   available = [pasteboard
-      availableTypeFromArray:[NSArray arrayWithObject:NSPasteboardTypeString]];
-  if ([available isEqualToString:NSPasteboardTypeString]) {
-    NSString *str = [pasteboard stringForType:NSPasteboardTypeString];
+      availableTypeFromArray:[NSArray arrayWithObject:STRING_PBOARD_TYPE]];
+  if ([available isEqualToString:STRING_PBOARD_TYPE]) {
+    NSString *str = [pasteboard stringForType:STRING_PBOARD_TYPE];
     if (str != nil) {
       return [str UTF8String];
     }
diff --git uitoolkit/quartz/ui_event_source-cocoa.m uitoolkit/quartz/ui_event_source-cocoa.m
index 7e0fa5bf..db9e7a13 100644
--- uitoolkit/quartz/ui_event_source-cocoa.m
+++ uitoolkit/quartz/ui_event_source-cocoa.m
@@ -123,7 +123,11 @@ int ui_event_source_process(void) {
     tval.tv_usec = 100000; /* 0.1 sec */
     tval.tv_sec = 0;
 
+#if defined(COCOA_TOUCH) || MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
     dispatch_sync_f(dispatch_get_main_queue(), &ctx, ui_event_source_process_main);
+#else
+    ui_event_source_process_main(&ctx);
+#endif
 
     if (maxfd == -1 ||
         ((ret = select(maxfd + 1, &read_fds, NULL, NULL, &tval)) < 0 &&
-- 
2.54.0