[empathy: 4/10] Add a GtkClutterActor subclass that clips the corners

[Emilio Pozuelo Monfort <epm src gnome org>]

commit 973617fcf740560ccd6c61bf3d63657d0875191c
Author: Emilio Pozuelo Monfort <emilio pozuelo collabora co uk>
Date:   Mon Aug 8 10:03:40 2011 +0100

    Add a GtkClutterActor subclass that clips the corners
    
    https://bugzilla.gnome.org/show_bug.cgi?id=656150

 src/Makefile.am             |    4 ++-
 src/empathy-rounded-actor.c |   68 +++++++++++++++++++++++++++++++++++++++++++
 src/empathy-rounded-actor.h |   63 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 134 insertions(+), 1 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index b2222c2..fbbf989 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -174,7 +174,9 @@ empathy_call_SOURCES = \
        ev-sidebar.c \
        ev-sidebar.h \
        empathy-mic-menu.c \
-       empathy-mic-menu.h
+       empathy-mic-menu.h \
+       empathy-rounded-actor.c \
+       empathy-rounded-actor.h
 
 nodist_empathy_call_SOURCES = $(BUILT_SOURCES)
 
diff --git a/src/empathy-rounded-actor.c b/src/empathy-rounded-actor.c
new file mode 100644
index 0000000..463a73c
--- /dev/null
+++ b/src/empathy-rounded-actor.c
@@ -0,0 +1,68 @@
+/*
+ * empathy-rounded-actor.c - Source for EmpathyRoundedActor
+ * Copyright (C) 2011 Collabora Ltd.
+ * @author Emilio Pozuelo Monfort <emilio pozuelo collabora co uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+
+#include <clutter/clutter.h>
+#include <clutter-gtk/clutter-gtk.h>
+
+#include "empathy-rounded-actor.h"
+
+G_DEFINE_TYPE(EmpathyRoundedActor, empathy_rounded_actor, GTK_CLUTTER_TYPE_ACTOR)
+
+static void
+empathy_rounded_actor_paint (ClutterActor *actor)
+{
+  ClutterActorBox allocation = { 0, };
+  gfloat width, height;
+
+  clutter_actor_get_allocation_box (actor, &allocation);
+  clutter_actor_box_get_size (&allocation, &width, &height);
+
+  cogl_path_new ();
+
+  /* create and store a path describing a rounded rectangle */
+  cogl_path_round_rectangle (0, 0, width, height, height / 2, 0.1);
+
+  cogl_clip_push_from_path ();
+
+  CLUTTER_ACTOR_CLASS (empathy_rounded_actor_parent_class)->paint (actor);
+
+  cogl_clip_pop ();
+}
+
+static void
+empathy_rounded_actor_init (EmpathyRoundedActor *self)
+{
+}
+
+static void
+empathy_rounded_actor_class_init (EmpathyRoundedActorClass *klass)
+{
+  ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
+
+  actor_class->paint = empathy_rounded_actor_paint;
+}
+
+ClutterActor *
+empathy_rounded_actor_new (void)
+{
+  return CLUTTER_ACTOR (
+    g_object_new (EMPATHY_TYPE_ROUNDED_ACTOR, NULL));
+}
diff --git a/src/empathy-rounded-actor.h b/src/empathy-rounded-actor.h
new file mode 100644
index 0000000..e4c83b0
--- /dev/null
+++ b/src/empathy-rounded-actor.h
@@ -0,0 +1,63 @@
+/*
+ * empathy-rounded-actor.h - Header for EmpathyRoundedActor
+ * Copyright (C) 2011 Collabora Ltd.
+ * @author Emilio Pozuelo Monfort <emilio pozuelo collabora co uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef __EMPATHY_ROUNDED_ACTOR_H__
+#define __EMPATHY_ROUNDED_ACTOR_H__
+
+#include <glib-object.h>
+#include <clutter-gtk/clutter-gtk.h>
+
+G_BEGIN_DECLS
+
+typedef struct _EmpathyRoundedActor EmpathyRoundedActor;
+typedef struct _EmpathyRoundedActorClass EmpathyRoundedActorClass;
+
+struct _EmpathyRoundedActorClass {
+    GtkClutterActorClass parent_class;
+};
+
+struct _EmpathyRoundedActor {
+    GtkClutterActor parent;
+};
+
+GType empathy_rounded_actor_get_type (void);
+
+/* TYPE MACROS */
+#define EMPATHY_TYPE_ROUNDED_ACTOR \
+  (empathy_rounded_actor_get_type ())
+#define EMPATHY_ROUNDED_ACTOR(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj), EMPATHY_TYPE_ROUNDED_ACTOR, \
+    EmpathyRoundedActor))
+#define EMPATHY_ROUNDED_ACTOR_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass), EMPATHY_TYPE_ROUNDED_ACTOR, \
+    EmpathyRoundedActorClass))
+#define EMPATHY_IS_ROUNDED_ACTOR(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj), EMPATHY_TYPE_ROUNDED_ACTOR))
+#define EMPATHY_IS_ROUNDED_ACTOR_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass), EMPATHY_TYPE_ROUNDED_ACTOR))
+#define EMPATHY_ROUNDED_ACTOR_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj), EMPATHY_TYPE_ROUNDED_ACTOR, \
+    EmpathyRoundedActorClass))
+
+ClutterActor *empathy_rounded_actor_new (void);
+
+G_END_DECLS
+
+#endif /* #ifndef __EMPATHY_ROUNDED_ACTOR_H__*/