move everything into a clutter/ directory

clutter/clutter/clutter-fixed-layout.c

@@ -0,0 +1,180 @@
+/*
+ * Clutter.
+ *
+ * An OpenGL based 'interactive canvas' library.
+ *
+ * Copyright (C) 2009  Intel Corporation.
+ *
+ * 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 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, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   Emmanuele Bassi <ebassi@linux.intel.com>
+ *
+ * Based on the fixed layout code inside clutter-group.c
+ */
+
+/**
+ * SECTION:clutter-fixed-layout
+ * @short_description: A fixed layout manager
+ *
+ * #ClutterFixedLayout is a layout manager implementing the same
+ * layout policies as #ClutterGroup.
+ *
+ * #ClutterFixedLayout is available since Clutter 1.2
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "clutter-debug.h"
+#include "clutter-fixed-layout.h"
+#include "clutter-private.h"
+
+G_DEFINE_TYPE (ClutterFixedLayout,
+               clutter_fixed_layout,
+               CLUTTER_TYPE_LAYOUT_MANAGER);
+
+static void
+clutter_fixed_layout_get_preferred_width (ClutterLayoutManager *manager,
+                                          ClutterContainer     *container,
+                                          gfloat                for_height,
+                                          gfloat               *min_width_p,
+                                          gfloat               *nat_width_p)
+{
+  ClutterActor *actor, *child;
+  gdouble min_right;
+  gdouble natural_right;
+
+  min_right = 0;
+  natural_right = 0;
+
+  actor = CLUTTER_ACTOR (container);
+
+  for (child = clutter_actor_get_first_child (actor);
+       child != NULL;
+       child = clutter_actor_get_next_sibling (child))
+    {
+      gfloat child_x, child_min, child_natural;
+
+      child_x = clutter_actor_get_x (child);
+
+      clutter_actor_get_preferred_size (child,
+                                        &child_min, NULL,
+                                        &child_natural, NULL);
+
+      if (child_x + child_min > min_right)
+        min_right = child_x + child_min;
+
+      if (child_x + child_natural > natural_right)
+        natural_right = child_x + child_natural;
+    }
+
+  if (min_width_p)
+    *min_width_p = min_right;
+
+  if (nat_width_p)
+    *nat_width_p = natural_right;
+}
+
+static void
+clutter_fixed_layout_get_preferred_height (ClutterLayoutManager *manager,
+                                           ClutterContainer     *container,
+                                           gfloat                for_width,
+                                           gfloat               *min_height_p,
+                                           gfloat               *nat_height_p)
+{
+  ClutterActor *actor, *child;
+  gdouble min_bottom;
+  gdouble natural_bottom;
+
+  min_bottom = 0;
+  natural_bottom = 0;
+
+  actor = CLUTTER_ACTOR (container);
+
+  for (child = clutter_actor_get_first_child (actor);
+       child != NULL;
+       child = clutter_actor_get_next_sibling (child))
+    {
+      gfloat child_y, child_min, child_natural;
+
+      child_y = clutter_actor_get_y (child);
+
+      clutter_actor_get_preferred_size (child,
+                                        NULL, &child_min,
+                                        NULL, &child_natural);
+
+      if (child_y + child_min > min_bottom)
+        min_bottom = child_y + child_min;
+
+      if (child_y + child_natural > natural_bottom)
+        natural_bottom = child_y + child_natural;
+    }
+
+  if (min_height_p)
+    *min_height_p = min_bottom;
+
+  if (nat_height_p)
+    *nat_height_p = natural_bottom;
+}
+
+static void
+clutter_fixed_layout_allocate (ClutterLayoutManager   *manager,
+                               ClutterContainer       *container,
+                               const ClutterActorBox  *allocation,
+                               ClutterAllocationFlags  flags)
+{
+  ClutterActor *child;
+
+  for (child = clutter_actor_get_first_child (CLUTTER_ACTOR (container));
+       child != NULL;
+       child = clutter_actor_get_next_sibling (child))
+    {
+      clutter_actor_allocate_preferred_size (child, flags);
+    }
+}
+
+static void
+clutter_fixed_layout_class_init (ClutterFixedLayoutClass *klass)
+{
+  ClutterLayoutManagerClass *manager_class =
+    CLUTTER_LAYOUT_MANAGER_CLASS (klass);
+
+  manager_class->get_preferred_width =
+    clutter_fixed_layout_get_preferred_width;
+  manager_class->get_preferred_height =
+    clutter_fixed_layout_get_preferred_height;
+  manager_class->allocate = clutter_fixed_layout_allocate;
+}
+
+static void
+clutter_fixed_layout_init (ClutterFixedLayout *self)
+{
+}
+
+/**
+ * clutter_fixed_layout_new:
+ *
+ * Creates a new #ClutterFixedLayout
+ *
+ * Return value: the newly created #ClutterFixedLayout
+ *
+ * Since: 1.2
+ */
+ClutterLayoutManager *
+clutter_fixed_layout_new (void)
+{
+  return g_object_new (CLUTTER_TYPE_FIXED_LAYOUT, NULL);
+}