cocoa: sync inputContext inside EventsResponder

osdep/macosx_application.m

@@ -318,10 +318,7 @@ int cocoa_main(mpv_main_fn mpv_main, int argc, char *argv[])
         macosx_finder_args_preinit(&argc, &argv);
         pthread_create(&playback_thread_id, NULL, playback_thread, &ctx);
 
-        [_eventsResponder.input_ready lock];
-        while (!_eventsResponder.inputContext)
-            [_eventsResponder.input_ready wait];
-        [_eventsResponder.input_ready unlock];
+        [[EventsResponder sharedInstance] waitForInputContext];
 
         cocoa_run_runloop();
 
@@ -378,10 +375,7 @@ void cocoa_stop_runloop(void)
 
 void cocoa_set_input_context(struct input_ctx *input_context)
 {
-    [_eventsResponder.input_ready lock];
-    _eventsResponder.inputContext = input_context;
-    [_eventsResponder.input_ready signal];
-    [_eventsResponder.input_ready unlock];
+    [EventsResponder sharedInstance].inputContext = input_context;
 }
 
 void cocoa_post_fake_event(void)

osdep/macosx_events.m

@@ -36,6 +36,8 @@
 
 @interface EventsResponder ()
 {
+    struct input_ctx *_inputContext;
+    NSCondition *_input_ready;
     CFMachPortRef _mk_tap_port;
     HIDRemote *_remote;
 }
@@ -188,9 +190,6 @@ void cocoa_put_key_with_modifiers(int keycode, int modifiers)
 
 @implementation EventsResponder
 
-@synthesize inputContext = _input_context;
-@synthesize input_ready = _input_ready;
-
 + (EventsResponder *)sharedInstance
 {
     static EventsResponder *responder = nil;
@@ -220,6 +219,27 @@ void cocoa_put_key_with_modifiers(int keycode, int modifiers)
     return self;
 }
 
+- (void)waitForInputContext
+{
+    [_input_ready lock];
+    while (!self.inputContext)
+        [_input_ready wait];
+    [_input_ready unlock];
+}
+
+- (void)setInputContext:(struct input_ctx *)ctx;
+{
+    [_input_ready lock];
+    _inputContext = ctx;
+    [_input_ready signal];
+    [_input_ready unlock];
+}
+
+- (struct input_ctx *)inputContext
+{
+    return _inputContext;
+}
+
 - (BOOL)useAltGr
 {
     if (self.inputContext)

osdep/macosx_events_objc.h

@@ -27,7 +27,9 @@ struct input_ctx;
 
 + (EventsResponder *)sharedInstance;
 
+/// Blocks until inputContext is present.
+- (void)waitForInputContext;
+
 @property(nonatomic, assign) struct input_ctx *inputContext;
-@property(nonatomic, retain) NSCondition *input_ready;
 
 @end