From 08232b470e59499b547a192098e96b369c4d5359 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Sebastian=20Dr=C3=B6ge?= <sebastian.droege@collabora.co.uk>
Date: Wed, 2 Mar 2011 23:21:15 +0100
Subject: [PATCH] cairooverlay: The example always requires gtk-x11

Check for gtk-x11 and only build the example if it's available.
---
 configure.ac                         |  3 +++
 tests/examples/Makefile.am           |  6 +++++-
 tests/examples/cairo/Makefile.am     |  5 +++--
 tests/examples/cairo/cairo_overlay.c | 10 +++-------
 4 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/configure.ac b/configure.ac
index 2c87768..dd36366 100644
--- a/configure.ac
+++ b/configure.ac
@@ -258,10 +258,13 @@ if test "x$BUILD_EXAMPLES" = "xyes"; then
      GTK_REQ=$GTK2_REQ])
   AC_MSG_RESULT([$with_gtk (>= $GTK_REQ)])
   PKG_CHECK_MODULES(GTK, gtk+-$with_gtk >= $GTK_REQ, HAVE_GTK=yes, HAVE_GTK=no)
+  dnl some examples need gtk+-x11
+  PKG_CHECK_MODULES(GTK_X11, gtk+-x11-$with_gtk >= $GTK_REQ, HAVE_GTK_X11=yes, HAVE_GTK_X11=no)
   AC_SUBST(GTK_LIBS)
   AC_SUBST(GTK_CFLAGS)
 fi
 AM_CONDITIONAL(HAVE_GTK, test "x$HAVE_GTK" = "xyes")
+AM_CONDITIONAL(HAVE_GTK_X11, test "x$HAVE_GTK_X11" = "xyes")
 
 dnl should we install schemas ?
 translit(dnm, m, l) AM_CONDITIONAL(USE_GCONFTOOL, true)
diff --git a/tests/examples/Makefile.am b/tests/examples/Makefile.am
index 8faf93d..4437a80 100644
--- a/tests/examples/Makefile.am
+++ b/tests/examples/Makefile.am
@@ -4,11 +4,15 @@ else
 JACK_DIR=
 endif
 
-if USE_CAIRO
+if USE_CAIRO_GOBJECT
+if HAVE_GTK_X11
 CAIRO_DIR=cairo
 else
 CAIRO_DIR=
 endif
+else
+CAIRO_DIR=
+endif
 
 SUBDIRS = audiofx equalizer $(JACK_DIR) level pulse \
 	rtp shapewipe spectrum v4l2 $(CAIRO_DIR)
diff --git a/tests/examples/cairo/Makefile.am b/tests/examples/cairo/Makefile.am
index 1585961..5fa772d 100644
--- a/tests/examples/cairo/Makefile.am
+++ b/tests/examples/cairo/Makefile.am
@@ -1,11 +1,12 @@
 if USE_CAIRO_GOBJECT
-if HAVE_GTK
+if HAVE_GTK_X11
 noinst_PROGRAMS = cairo_overlay
 endif
 endif
 
 cairo_overlay_SOURCES = cairo_overlay.c
-cairo_overlay_CFLAGS = $(GST_CFLAGS) $(GTK_CFLAGS) $(CAIRO_CFLAGS)
+cairo_overlay_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS) \
+	$(GTK_CFLAGS) $(CAIRO_CFLAGS)
 cairo_overlay_LDFLAGS = \
 	$(GST_LIBS) -lgstinterfaces-0.10 -lgstvideo-$(GST_MAJORMINOR) \
 	$(GTK_LIBS) $(CAIRO_LIBS)
diff --git a/tests/examples/cairo/cairo_overlay.c b/tests/examples/cairo/cairo_overlay.c
index f460484..52c947b 100644
--- a/tests/examples/cairo/cairo_overlay.c
+++ b/tests/examples/cairo/cairo_overlay.c
@@ -25,18 +25,16 @@
  * roughly based on gst_x_overlay documentation.
  */
 
-
 #include <gst/gst.h>
 #include <gst/video/video.h>
 #include <gst/interfaces/xoverlay.h>
 
-#include <gtk/gtk.h>
 #include <cairo.h>
 #include <cairo-gobject.h>
 
-#ifdef GDK_WINDOWING_X11
 #include <gdk/gdkx.h>
-#endif
+
+#include <gtk/gtk.h>
 
 static gulong video_window_xid = 0;
 
@@ -64,9 +62,7 @@ bus_sync_handler (GstBus * bus, GstMessage * message, gpointer user_data)
 static void
 video_widget_realize_cb (GtkWidget * widget, gpointer data)
 {
-#ifdef GDK_WINDOWING_X11
   video_window_xid = GDK_WINDOW_XID (widget->window);
-#endif
 }
 
 static GtkWidget *
@@ -187,7 +183,7 @@ main (int argc, char **argv)
   gst_init (&argc, &argv);
 
   window = setup_gtk_window ();
-  overlay_state = g_new (CairoOverlayState, 1);
+  overlay_state = g_new0 (CairoOverlayState, 1);
   pipeline = setup_gst_pipeline (overlay_state);
 
   gst_element_set_state (pipeline, GST_STATE_PLAYING);
-- 
2.7.4