From 8ec9bce2d367541f9d3939f773b669beebd0be6d Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <stefano.pigozzi@gmail.com>
Date: Sun, 8 Mar 2015 15:19:17 +0100
Subject: cocoa: fix autohide in fullscreen

---
 video/out/cocoa/events_view.m |  3 ++-
 video/out/cocoa/mpvadapter.h  |  2 +-
 video/out/cocoa/window.m      |  4 ++--
 video/out/cocoa_common.m      | 22 +++++++++++++++++++++-
 4 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/video/out/cocoa/events_view.m b/video/out/cocoa/events_view.m
index 7c8283ad72..6fec712a33 100644
--- a/video/out/cocoa/events_view.m
+++ b/video/out/cocoa/events_view.m
@@ -166,7 +166,8 @@
 
 - (BOOL)canHideCursor
 {
-    return !self.hasMouseDown && [self containsMouseLocation];
+    return !self.hasMouseDown && [self containsMouseLocation]
+        && [[self window] isKeyWindow];
 }
 
 - (void)mouseEntered:(NSEvent *)event
diff --git a/video/out/cocoa/mpvadapter.h b/video/out/cocoa/mpvadapter.h
index c5a0579a96..5b87e89d04 100644
--- a/video/out/cocoa/mpvadapter.h
+++ b/video/out/cocoa/mpvadapter.h
@@ -18,7 +18,7 @@
 #import <Cocoa/Cocoa.h>
 #include "video/out/vo.h"
 
-@interface MpvCocoaAdapter : NSObject
+@interface MpvCocoaAdapter : NSObject<NSWindowDelegate>
 - (void)setNeedsResize;
 - (void)signalMouseMovement:(NSPoint)point;
 - (void)putKeyEvent:(NSEvent*)event;
diff --git a/video/out/cocoa/window.m b/video/out/cocoa/window.m
index 75adbbecb5..14a3ba91c8 100644
--- a/video/out/cocoa/window.m
+++ b/video/out/cocoa/window.m
@@ -63,12 +63,12 @@
 
 - (void)windowDidResignKey:(NSNotification *)notification
 {
-    [self.adapter didChangeMousePosition];
+    [self.adapter windowDidResignKey:notification];
 }
 
 - (void)windowDidBecomeKey:(NSNotification *)notification
 {
-    [self.adapter didChangeMousePosition];
+    [self.adapter windowDidBecomeKey:notification];
 }
 
 - (BOOL)canBecomeMainWindow { return YES; }
diff --git a/video/out/cocoa_common.m b/video/out/cocoa_common.m
index e4b0e9eca5..608e380414 100644
--- a/video/out/cocoa_common.m
+++ b/video/out/cocoa_common.m
@@ -60,6 +60,7 @@ struct vo_cocoa_state {
     NSWindow *window;
     NSView *view;
     MpvVideoView *video;
+    MpvCocoaAdapter *adapter;
     NSOpenGLContext *gl_ctx;
 
     NSScreen *current_screen;
@@ -258,7 +259,7 @@ static int vo_cocoa_set_cursor_visibility(struct vo *vo, bool *visible)
 
     if (*visible) {
         CGDisplayShowCursor(kCGDirectMainDisplay);
-    } else if ([v canHideCursor] && [s->window isKeyWindow]) {
+    } else if ([v canHideCursor]) {
         CGDisplayHideCursor(kCGDirectMainDisplay);
     } else {
         *visible = true;
@@ -457,6 +458,7 @@ static void create_ui(struct vo *vo, struct mp_rect *win, int geo_flags)
     [parent addSubview:s->view];
     // update the cursor position now that the view has been added.
     [view signalMousePosition];
+    s->adapter = adapter;
 
 #if HAVE_COCOA_APPLICATION
     cocoa_register_menu_item_action(MPM_H_SIZE,   @selector(halfSize));
@@ -685,6 +687,13 @@ static void vo_cocoa_fullscreen(struct vo *vo)
     draw_changes_after_next_frame(vo);
     [(MpvEventsView *)s->view setFullScreen:opts->fullscreen];
 
+    if ([s->view window] != s->window) {
+        // cocoa implements fullscreen views by moving the view to a fullscreen
+        // window. Set that window delegate to the cocoa adapter to trigger
+        // calls to -windowDidResignKey: and -windowDidBecomeKey:
+        [[s->view window] setDelegate:s->adapter];
+    }
+
     s->pending_events |= VO_EVENT_ICC_PROFILE_CHANGED;
     s->pending_events |= VO_EVENT_RESIZE;
 }
@@ -853,4 +862,15 @@ int vo_cocoa_control(struct vo *vo, int *events, int request, void *arg)
     struct vo_cocoa_state *s = self.vout->cocoa;
     [(MpvEventsView *)s->view signalMousePosition];
 }
+
+- (void)windowDidResignKey:(NSNotification *)notification
+{
+    [self didChangeMousePosition];
+}
+
+- (void)windowDidBecomeKey:(NSNotification *)notification
+{
+    [self didChangeMousePosition];
+}
+
 @end
-- 
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