class Gtkx3 < Formula
  desc "Toolkit for creating graphical user interfaces"
  homepage "https://gtk.org/"
  url "https://download.gnome.org/sources/gtk+/3.22/gtk+-3.22.16.tar.xz"
  sha256 "3e0c3ad01f3c8c5c9b1cc1ae00852bd55164c8e5a9c1f90ba5e07f14f175fe2c"

  bottle do
    sha256 "a9306c76f8ec710028f16b2decedc7265e1e9fbf95c25a0466d9bd9024380676" => :sierra
    sha256 "62f7b715b1ab9d9010a40003e63b8a498bc91fbb23485a7e39bd0efb4a852318" => :el_capitan
    sha256 "16184c07877da86c2f7e287ff14eefae19d0baa24c1513213ca521ce8a8d9811" => :yosemite
  end

  # see https://bugzilla.gnome.org/show_bug.cgi?id=781118
  # see https://bugzilla.gnome.org/show_bug.cgi?id=772281
  patch :DATA

  option "with-quartz-relocation", "Build with quartz relocation support"

  depends_on "pkg-config" => :build
  depends_on "gdk-pixbuf"
  depends_on "atk"
  depends_on "gobject-introspection"
  depends_on "libepoxy"
  depends_on "pango"
  depends_on "glib"
  depends_on "hicolor-icon-theme"
  depends_on "gsettings-desktop-schemas" => :recommended
  depends_on "jasper" => :optional

  def install
    args = %W[
      --enable-debug=minimal
      --disable-dependency-tracking
      --prefix=#{prefix}
      --disable-glibtest
      --enable-introspection=yes
      --disable-schemas-compile
      --enable-quartz-backend
      --disable-x11-backend
    ]

    args << "--enable-quartz-relocation" if build.with?("quartz-relocation")

    system "./configure", *args
    # necessary to avoid gtk-update-icon-cache not being found during make install
    bin.mkpath
    ENV.prepend_path "PATH", bin
    system "make", "install"
    # Prevent a conflict between this and Gtk+2
    mv bin/"gtk-update-icon-cache", bin/"gtk3-update-icon-cache"
  end

  def post_install
    system "#{Formula["glib"].opt_bin}/glib-compile-schemas", "#{HOMEBREW_PREFIX}/share/glib-2.0/schemas"
  end

  test do
    (testpath/"test.c").write <<-EOS.undent
      #include <gtk/gtk.h>

      int main(int argc, char *argv[]) {
        gtk_disable_setlocale();
        return 0;
      }
    EOS
    atk = Formula["atk"]
    cairo = Formula["cairo"]
    fontconfig = Formula["fontconfig"]
    freetype = Formula["freetype"]
    gdk_pixbuf = Formula["gdk-pixbuf"]
    gettext = Formula["gettext"]
    glib = Formula["glib"]
    libepoxy = Formula["libepoxy"]
    libpng = Formula["libpng"]
    pango = Formula["pango"]
    pixman = Formula["pixman"]
    flags = %W[
      -I#{atk.opt_include}/atk-1.0
      -I#{cairo.opt_include}/cairo
      -I#{fontconfig.opt_include}
      -I#{freetype.opt_include}/freetype2
      -I#{gdk_pixbuf.opt_include}/gdk-pixbuf-2.0
      -I#{gettext.opt_include}
      -I#{glib.opt_include}/gio-unix-2.0/
      -I#{glib.opt_include}/glib-2.0
      -I#{glib.opt_lib}/glib-2.0/include
      -I#{include}
      -I#{include}/gtk-3.0
      -I#{libepoxy.opt_include}
      -I#{libpng.opt_include}/libpng16
      -I#{pango.opt_include}/pango-1.0
      -I#{pixman.opt_include}/pixman-1
      -D_REENTRANT
      -L#{atk.opt_lib}
      -L#{cairo.opt_lib}
      -L#{gdk_pixbuf.opt_lib}
      -L#{gettext.opt_lib}
      -L#{glib.opt_lib}
      -L#{lib}
      -L#{pango.opt_lib}
      -latk-1.0
      -lcairo
      -lcairo-gobject
      -lgdk-3
      -lgdk_pixbuf-2.0
      -lgio-2.0
      -lglib-2.0
      -lgobject-2.0
      -lgtk-3
      -lintl
      -lpango-1.0
      -lpangocairo-1.0
    ]
    system ENV.cc, "test.c", "-o", "test", *flags
    system "./test"
  end
end

__END__
diff --git a/gdk/quartz/gdkscreen-quartz.c b/gdk/quartz/gdkscreen-quartz.c
index 586f7af..d032643 100644
--- a/gdk/quartz/gdkscreen-quartz.c
+++ b/gdk/quartz/gdkscreen-quartz.c
@@ -79,7 +79,7 @@ gdk_quartz_screen_init (GdkQuartzScreen *quartz_screen)
   NSDictionary *dd = [[[NSScreen screens] objectAtIndex:0] deviceDescription];
   NSSize size = [[dd valueForKey:NSDeviceResolution] sizeValue];

-  _gdk_screen_set_resolution (screen, size.width);
+  _gdk_screen_set_resolution (screen, 72.0);

   gdk_quartz_screen_calculate_layout (quartz_screen);

@@ -334,11 +334,8 @@ gdk_quartz_screen_get_height (GdkScreen *screen)
 static gint
 get_mm_from_pixels (NSScreen *screen, int pixels)
 {
-  const float mm_per_inch = 25.4;
-  NSDictionary *dd = [[[NSScreen screens] objectAtIndex:0] deviceDescription];
-  NSSize size = [[dd valueForKey:NSDeviceResolution] sizeValue];
-  float dpi = size.width;
-  return (pixels / dpi) * mm_per_inch;
+  const float dpi = 72.0;
+  return (pixels / dpi) * 25.4;
 }

 static gchar *
diff --git a/gtk/gtkclipboard-quartz.c b/gtk/gtkclipboard-quartz.c
index fec31f5..2b0b098 100644
--- a/gtk/gtkclipboard-quartz.c
+++ b/gtk/gtkclipboard-quartz.c
@@ -1253,3 +1253,12 @@ gtk_clipboard_get_selection (GtkClipboard *clipboard)

   return clipboard->selection;
 }
+
+GtkClipboard *
+gtk_clipboard_get_default (GdkDisplay *display)
+{
+  g_return_val_if_fail (display != NULL, NULL);
+  g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
+
+  return gtk_clipboard_get_for_display (display, GDK_SELECTION_CLIPBOARD);
+}