cocoa: allow to black out other display when going fs

fixes #1302

DOCS/man/options.rst

@@ -1478,6 +1478,10 @@ Window
 
     See also ``--screen``.
 
+``--fs-black-out-screens``
+
+    OS X only. Black out other displays when going fullscreen.
+
 ``--keep-open``
     Do not terminate when playing or seeking beyond the end of the file, and
     there is not next file to be played (and ``--loop`` is not used).

options/options.c

@@ -455,6 +455,7 @@ const m_option_t mp_opts[] = {
     OPT_CHOICE_OR_INT("fs-screen", vo.fsscreen_id, 0, 0, 32,
                       ({"all", -2}, {"current", -1})),
 
+    OPT_FLAG("fs-black-out-screens", vo.fs_black_out_screens, 0),
     OPT_INTRANGE("brightness", gamma_brightness, 0, -100, 100),
     OPT_INTRANGE("saturation", gamma_saturation, 0, -100, 100),
     OPT_INTRANGE("contrast", gamma_contrast, 0, -100, 100),

options/options.h

@@ -12,6 +12,7 @@ typedef struct mp_vo_opts {
     int fullscreen;
     int screen_id;
     int fsscreen_id;
+    int fs_black_out_screens;
     char *winname;
     int x11_netwm;
     int native_keyrepeat;

video/out/cocoa/events_view.m

@@ -67,7 +67,7 @@
             popts |= NSApplicationPresentationAutoHideDock;
 
         NSDictionary *fsopts = @{
-            NSFullScreenModeAllScreens : @NO,
+            NSFullScreenModeAllScreens : @([self.adapter fsModeAllScreens]),
             NSFullScreenModeApplicationPresentationOptions : @(popts)
         };
 

video/out/cocoa/mpvadapter.h

@@ -33,5 +33,6 @@
 - (BOOL)keyboardEnabled;
 - (BOOL)mouseEnabled;
 - (NSScreen *)fsScreen;
+- (BOOL)fsModeAllScreens;
 @property(nonatomic, assign) struct vo *vout;
 @end

video/out/cocoa_common.m

@@ -795,6 +795,11 @@ void *vo_cocoa_cgl_pixel_format(struct vo *vo)
     return s->fs_screen;
 }
 
+- (BOOL)fsModeAllScreens
+{
+    return self.vout->opts->fs_black_out_screens;
+}
+
 - (void)handleFilesArray:(NSArray *)files
 {
     [[EventsResponder sharedInstance] handleFilesArray:files];