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[clutter] examples: Updated box-layout example

commit f14c71cd3cdac442a660568fae7a0ec81a5dece1
Author: Bastian Winkler <buz netbuz org>
Date:   Sat Jun 2 15:01:11 2012 +0200

    examples: Updated box-layout example
    
    Updated test-box-layout to use modern API and move it to examples.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=677283

 examples/Makefile.am                |    1 +
 examples/box-layout.c               |  301 +++++++++++++++++++++++++++++++++++
 tests/interactive/Makefile.am       |    1 -
 tests/interactive/test-box-layout.c |  292 ---------------------------------
 4 files changed, 302 insertions(+), 293 deletions(-)
---
diff --git a/examples/Makefile.am b/examples/Makefile.am
index d637ebe..c1da143 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -2,6 +2,7 @@ include $(top_srcdir)/build/autotools/Makefile.am.silent
 
 all_examples = \
 	basic-actor \
+	box-layout \
 	canvas \
 	constraints \
 	drag-action \
diff --git a/examples/box-layout.c b/examples/box-layout.c
new file mode 100644
index 0000000..5f71fb4
--- /dev/null
+++ b/examples/box-layout.c
@@ -0,0 +1,301 @@
+/*
+ * Copyright 2009 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU Lesser General Public License,
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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 program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+#include <stdlib.h>
+#include <clutter/clutter.h>
+
+#define INSTRUCTIONS \
+        "Press v\t\342\236\236\tSwitch horizontal/vertical\n"           \
+        "Press h\t\342\236\236\tSwitch homogeneous\n"			\
+        "Press p\t\342\236\236\tSwitch pack start/end\n"                \
+        "Press s\t\342\236\236\tIncrement spacing (up to 12px)\n"       \
+        "Press a\t\342\236\236\tSwitch animations on/off\n"             \
+        "Press +\t\342\236\236\tAdd a new actor\n"                      \
+        "Press q\t\342\236\236\tQuit"
+
+
+static const gchar *
+get_align_name (ClutterActorAlign align)
+{
+  switch (align)
+    {
+    case CLUTTER_ACTOR_ALIGN_FILL:
+      return "fill";
+
+    case CLUTTER_ACTOR_ALIGN_START:
+      return "start";
+
+    case CLUTTER_ACTOR_ALIGN_CENTER:
+      return "center";
+
+    case CLUTTER_ACTOR_ALIGN_END:
+      return "end";
+
+    default:
+      g_assert_not_reached ();
+    }
+}
+
+static gboolean
+button_release_cb (ClutterActor *rect,
+                   ClutterEvent *event,
+                   gpointer      user_data)
+{
+  ClutterActorAlign x_align, y_align;
+  gboolean x_expand, y_expand;
+
+  g_object_get (rect,
+                "x-align", &x_align,
+                "y-align", &y_align,
+                "x-expand", &x_expand,
+                "y-expand", &y_expand,
+                NULL);
+
+  switch (clutter_event_get_button (event))
+    {
+    case CLUTTER_BUTTON_PRIMARY:
+      if (clutter_event_has_shift_modifier (event))
+        {
+          if (y_align < 3)
+            y_align += 1;
+          else
+            y_align = 0;
+          break;
+        }
+      else
+        {
+          if (x_align < 3)
+            x_align += 1;
+          else
+            x_align = 0;
+        }
+      break;
+
+    case CLUTTER_BUTTON_SECONDARY:
+      if (clutter_event_has_shift_modifier (event))
+        y_expand = !y_expand;
+      else
+        x_expand = !x_expand;
+      break;
+
+    default:
+      break;
+    }
+
+  g_object_set (rect,
+                "x-align", x_align,
+                "y-align", y_align,
+                "x-expand", x_expand,
+                "y-expand", y_expand,
+                NULL);
+  return TRUE;
+}
+
+static void
+changed_cb (ClutterActor *actor,
+            GParamSpec   *pspec,
+            ClutterActor *text)
+{
+  ClutterActorAlign x_align, y_align;
+  gboolean x_expand, y_expand;
+  gchar *label;
+
+  g_object_get (actor,
+                "x-align", &x_align,
+                "y-align", &y_align,
+                "x-expand", &x_expand,
+                "y-expand", &y_expand,
+                NULL);
+
+  label = g_strdup_printf ("%d,%d\n"
+                           "%s\n%s",
+                           x_expand, y_expand,
+                           get_align_name (x_align),
+                           get_align_name (y_align));
+  clutter_text_set_text (CLUTTER_TEXT (text), label);
+  g_free (label);
+}
+
+static void
+add_actor (ClutterActor *box,
+           gint          position)
+{
+  ClutterActor *rect, *text;
+  ClutterColor color;
+  ClutterLayoutManager *layout;
+
+  clutter_color_from_hls (&color,
+                          g_random_double_range (0.0, 360.0),
+                          0.5,
+                          0.5);
+  color.alpha = 255;
+
+  layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
+                                   CLUTTER_BIN_ALIGNMENT_CENTER);
+  rect = clutter_actor_new ();
+  clutter_actor_set_layout_manager (rect, layout);
+  clutter_actor_set_background_color (rect, &color);
+  clutter_actor_set_reactive (rect, TRUE);
+  clutter_actor_set_size (rect, 32, 64);
+  clutter_actor_set_x_expand (rect, TRUE);
+  clutter_actor_set_y_expand (rect, TRUE);
+  clutter_actor_set_x_align (rect, CLUTTER_ACTOR_ALIGN_CENTER);
+  clutter_actor_set_y_align (rect, CLUTTER_ACTOR_ALIGN_CENTER);
+
+  text = clutter_text_new_with_text ("Sans 8px", NULL);
+  clutter_text_set_line_alignment (CLUTTER_TEXT (text),
+                                   PANGO_ALIGN_CENTER);
+  clutter_actor_add_child (rect, text);
+
+  g_signal_connect (rect, "button-release-event",
+                    G_CALLBACK (button_release_cb), NULL);
+  g_signal_connect (rect, "notify::x-expand",
+                    G_CALLBACK (changed_cb), text);
+  g_signal_connect (rect, "notify::y-expand",
+                    G_CALLBACK (changed_cb), text);
+  g_signal_connect (rect, "notify::x-align",
+                    G_CALLBACK (changed_cb), text);
+  g_signal_connect (rect, "notify::y-align",
+                    G_CALLBACK (changed_cb), text);
+  changed_cb (rect, NULL, text);
+
+  clutter_actor_insert_child_at_index (box, rect, position);
+}
+
+static gboolean
+key_release_cb (ClutterActor *stage,
+                ClutterEvent *event,
+                ClutterActor *box)
+{
+  ClutterBoxLayout *layout;
+  gboolean toggle;
+  guint spacing;
+
+  layout = CLUTTER_BOX_LAYOUT (clutter_actor_get_layout_manager (box));
+
+  switch (clutter_event_get_key_symbol (event))
+    {
+    case CLUTTER_KEY_a:
+      toggle = clutter_layout_manager_get_use_animations
+        (CLUTTER_LAYOUT_MANAGER (layout));
+      clutter_layout_manager_set_use_animations
+        (CLUTTER_LAYOUT_MANAGER (layout), !toggle);
+      break;
+
+    case CLUTTER_KEY_v:
+      {
+        ClutterOrientation orientation;
+
+        orientation = clutter_box_layout_get_orientation (layout);
+
+        if (orientation == CLUTTER_ORIENTATION_HORIZONTAL)
+          orientation = CLUTTER_ORIENTATION_VERTICAL;
+        else
+          orientation = CLUTTER_ORIENTATION_HORIZONTAL;
+
+        clutter_box_layout_set_orientation (layout, orientation);
+      }
+      break;
+
+    case CLUTTER_KEY_h:
+      toggle = clutter_box_layout_get_homogeneous (layout);
+      clutter_box_layout_set_homogeneous (layout, !toggle);
+      break;
+
+    case CLUTTER_KEY_p:
+      toggle = clutter_box_layout_get_pack_start (layout);
+      clutter_box_layout_set_pack_start (layout, !toggle);
+      break;
+
+    case CLUTTER_KEY_s:
+      spacing = clutter_box_layout_get_spacing (layout);
+
+      if (spacing > 12)
+        spacing = 0;
+      else
+        spacing++;
+
+      clutter_box_layout_set_spacing (layout, spacing);
+      break;
+
+    case CLUTTER_KEY_plus:
+      add_actor (box, g_random_int_range (0, clutter_actor_get_n_children (box)));
+      break;
+
+    case CLUTTER_KEY_q:
+      clutter_main_quit ();
+      break;
+
+    default:
+      return FALSE;
+    }
+
+  return TRUE;
+}
+
+int
+main (int argc, char *argv[])
+{
+  ClutterActor *stage, *box, *instructions;
+  ClutterLayoutManager *layout;
+  gint i;
+
+  if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
+    return EXIT_FAILURE;
+
+  stage = clutter_stage_new ();
+  clutter_stage_set_title (CLUTTER_STAGE (stage), "Box Layout");
+  clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
+
+  /* make the stage a vbox */
+  layout = clutter_box_layout_new ();
+  clutter_box_layout_set_orientation (CLUTTER_BOX_LAYOUT (layout),
+                                      CLUTTER_ORIENTATION_VERTICAL);
+  clutter_actor_set_layout_manager (stage, layout);
+
+  box = clutter_actor_new ();
+  clutter_actor_set_background_color (box, CLUTTER_COLOR_LightGray);
+  clutter_actor_set_x_expand (box, TRUE);
+  clutter_actor_set_y_expand (box, TRUE);
+  layout = clutter_box_layout_new ();
+  clutter_layout_manager_set_use_animations (layout, TRUE);
+  clutter_actor_set_layout_manager (box, layout);
+  clutter_actor_add_child (stage, box);
+
+  instructions = clutter_text_new_with_text ("Sans 12px", INSTRUCTIONS);
+  clutter_actor_set_x_expand (instructions, TRUE);
+  clutter_actor_set_y_expand (instructions, FALSE);
+  clutter_actor_set_x_align (instructions, CLUTTER_ACTOR_ALIGN_START);
+  clutter_actor_set_margin_top (instructions, 4);
+  clutter_actor_set_margin_left (instructions, 4);
+  clutter_actor_set_margin_bottom (instructions, 4);
+  clutter_actor_add_child (stage, instructions);
+
+  for (i = 0; i < 5; i++)
+    add_actor (box, i);
+
+  g_signal_connect (stage, "destroy",
+                    G_CALLBACK (clutter_main_quit), NULL);
+  g_signal_connect (stage, "key-release-event",
+                    G_CALLBACK (key_release_cb), box);
+
+  clutter_actor_show (stage);
+  clutter_main ();
+
+  return EXIT_SUCCESS;
+}
diff --git a/tests/interactive/Makefile.am b/tests/interactive/Makefile.am
index 5773708..3def7e1 100644
--- a/tests/interactive/Makefile.am
+++ b/tests/interactive/Makefile.am
@@ -38,7 +38,6 @@ UNIT_TESTS = \
 	test-cairo-clock.c \
 	test-cairo-flowers.c \
 	test-cogl-vertex-buffer.c \
-	test-box-layout.c \
 	test-stage-sizing.c \
 	test-scrolling.c \
 	test-swipe-action.c \
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