From facaae6be9fec12894741a94987c8d806efdbe0c Mon Sep 17 00:00:00 2001
From: Philippe Normand <philn@igalia.com>
Date: Wed, 30 Aug 2017 15:00:28 +0100
Subject: [PATCH] examples: Quartz support for the gtkvideooverlay example

Fixes https://github.com/sdroege/gstreamer-rs/pull/31
---
 examples/Cargo.toml                 |  2 ++
 examples/src/bin/gtkvideooverlay.rs | 26 ++++++++++++++++++++++----
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/examples/Cargo.toml b/examples/Cargo.toml
index 48e951f88..fbb7bc55a 100644
--- a/examples/Cargo.toml
+++ b/examples/Cargo.toml
@@ -22,6 +22,8 @@ byte-slice-cast = "0.1"
 gst-player = ["gstreamer-player"]
 gtksink = ["gtk", "gio"]
 gtkvideooverlay = ["gtk", "gdk", "gio"]
+gtkvideooverlay-x11 = ["gtkvideooverlay"]
+gtkvideooverlay-quartz = ["gtkvideooverlay"]
 tokio = ["gstreamer/futures", "futures", "tokio-core"]
 default-features = []
 
diff --git a/examples/src/bin/gtkvideooverlay.rs b/examples/src/bin/gtkvideooverlay.rs
index a8a87e8e9..bef8a1754 100644
--- a/examples/src/bin/gtkvideooverlay.rs
+++ b/examples/src/bin/gtkvideooverlay.rs
@@ -47,8 +47,10 @@ fn create_ui(app: &gtk::Application) {
     let pipeline = gst::Pipeline::new(None);
     let src = gst::ElementFactory::make("videotestsrc", None).unwrap();
 
-    let sink = if cfg!(unix) {
+    let sink = if cfg!(feature = "gtkvideooverlay-x11") {
         gst::ElementFactory::make("xvimagesink", None).unwrap()
+    } else if cfg!(feature = "gtkvideooverlay-quartz") {
+        gst::ElementFactory::make("glimagesink", None).unwrap()
     } else {
         unreachable!()
     };
@@ -76,10 +78,9 @@ fn create_ui(app: &gtk::Application) {
             process::exit(-1);
         }
 
-        #[cfg(unix)]
-        {
-            let display_type_name = gdk_window.get_display().get_type().name();
+        let display_type_name = gdk_window.get_display().get_type().name();
 
+        if cfg!(feature = "gtkvideooverlay-x11") {
             // Check if we're using X11 or ...
             if display_type_name == "GdkX11Display" {
                 extern "C" {
@@ -96,7 +97,24 @@ fn create_ui(app: &gtk::Application) {
                 println!("Add support for display type '{}'", display_type_name);
                 process::exit(-1);
             }
+        } else if cfg!(feature = "gtkvideooverlay-quartz") {
+            if display_type_name == "GdkQuartzDisplay" {
+                extern "C" {
+                    pub fn gdk_quartz_window_get_nsview(
+                        window: *mut glib::object::GObject,
+                    ) -> *mut c_void;
+                }
+
+                unsafe {
+                    let window = gdk_quartz_window_get_nsview(gdk_window.to_glib_none().0);
+                    video_overlay.set_window_handle(window as usize);
+                }
+            } else {
+                println!("Unsupported display type '{}", display_type_name);
+                process::exit(-1);
+            }
         }
+
     });
 
     vbox.pack_start(&video_window, true, true, 0);