[clutter] test-interactive: Add signal-based state transitions

[Emmanuele Bassi <ebassi src gnome org>]

commit e745ce52e77211ecff131245e6871cef6b97539a
Author: Emmanuele Bassi <ebassi linux intel com>
Date:   Mon Feb 7 13:57:16 2011 +0000

    test-interactive: Add signal-based state transitions
    
    Use the newly added support for binding signal emissions to state
    changes on a ClutterState.

 tests/data/Makefile.am                |    3 +-
 tests/data/test-script-signals.json   |   68 +++++++++++++++++++++++++++++++++
 tests/interactive/Makefile.am         |    3 +-
 tests/interactive/test-state-script.c |   54 ++++++++++++++++++++++++++
 4 files changed, 126 insertions(+), 2 deletions(-)
---
diff --git a/tests/data/Makefile.am b/tests/data/Makefile.am
index f886a6d..b30d3d1 100644
--- a/tests/data/Makefile.am
+++ b/tests/data/Makefile.am
@@ -3,17 +3,18 @@ NULL =
 json_files = \
 	test-script-animation.json		\
 	test-script-child.json			\
+	test-script-layout-property.json	\
 	test-script-implicit-alpha.json		\
 	test-script.json			\
 	test-script-named-object.json		\
 	test-script-object-property.json	\
+	test-script-signals.json		\
 	test-script-single.json			\
 	test-script-model.json			\
 	test-animator-1.json			\
 	test-animator-2.json			\
 	test-animator-3.json			\
 	test-state-1.json			\
-	test-script-layout-property.json	\
 	$(NULL)
 
 png_files = \
diff --git a/tests/data/test-script-signals.json b/tests/data/test-script-signals.json
new file mode 100644
index 0000000..b7c14be
--- /dev/null
+++ b/tests/data/test-script-signals.json
@@ -0,0 +1,68 @@
+[
+  {
+    "id" : "button",
+    "type" : "ClutterRectangle",
+
+    "width" : "16 em",
+    "height" : "6 em",
+
+    "color" : "rgb(255, 0, 0)",
+    "opacity" : 128,
+
+    "scale-gravity" : "center",
+
+    "reactive" : true,
+
+    "signals" : [
+      {
+        "name" : "button-press-event",
+        "handler" : "on_button_press"
+      },
+      { "name" : "enter-event", "state" : "button-states", "target-state" : "hover" },
+      { "name" : "leave-event", "state" : "button-states", "target-state" : "base" },
+      { "name" : "button-press-event", "state" : "button-states", "target-state" : "active" },
+      { "name" : "button-release-event", "state" : "button-states", "target-state" : "base" }
+    ]
+  },
+
+  {
+    "id" : "button-states",
+    "type" : "ClutterState",
+
+    "duration" : 250,
+
+    "transitions" : [
+      {
+        "source" : null,
+        "target" : "base",
+
+        "keys" : [
+          [ "button", "opacity", "linear", 128 ],
+          [ "button", "scale-x", "ease-in-cubic", 1.0 ],
+          [ "button", "scale-y", "ease-in-cubic", 1.0 ],
+          [ "button", "color", "linear", "rgb(255, 0, 0)" ]
+        ]
+      },
+      {
+        "source" : null,
+        "target" : "hover",
+
+        "keys" : [
+          [ "button", "opacity", "linear", 255 ],
+          [ "button", "scale-x", "ease-out-bounce", 1.4 ],
+          [ "button", "scale-y", "ease-out-bounce", 1.4 ],
+          [ "button", "color", "linear", "rgb(0, 255, 0)" ]
+        ]
+      },
+      {
+        "source" : null,
+        "target" : "active",
+
+        "keys" : [
+          [ "button", "opacity", "linear", 255 ],
+          [ "button", "color", "linear", "rgb(0, 0, 255)" ]
+        ]
+      }
+    ]
+  }
+]
diff --git a/tests/interactive/Makefile.am b/tests/interactive/Makefile.am
index 5c04bf6..3079804 100644
--- a/tests/interactive/Makefile.am
+++ b/tests/interactive/Makefile.am
@@ -55,7 +55,8 @@ UNIT_TESTS = \
 	test-cogl-point-sprites.c \
 	test-table-layout.c \
 	test-path-constraint.c \
-	test-snap-constraint.c
+	test-snap-constraint.c \
+	test-state-script.c
 
 if X11_TESTS
 UNIT_TESTS += test-pixmap.c test-devices.c
diff --git a/tests/interactive/test-state-script.c b/tests/interactive/test-state-script.c
new file mode 100644
index 0000000..276cd85
--- /dev/null
+++ b/tests/interactive/test-state-script.c
@@ -0,0 +1,54 @@
+#include <stdlib.h>
+
+#include <gmodule.h>
+
+#include <clutter/clutter.h>
+
+#define TEST_STATE_SCRIPT_FILE  TESTS_DATADIR G_DIR_SEPARATOR_S "test-script-signals.json"
+
+gboolean
+on_button_press (ClutterActor *actor,
+                 ClutterEvent *event,
+                 gpointer      dummy G_GNUC_UNUSED)
+{
+  g_print ("Button pressed!\n");
+
+  return FALSE;
+}
+
+G_MODULE_EXPORT int
+test_state_script_main (int argc, char *argv[])
+{
+  ClutterActor *stage, *button;
+  ClutterScript *script;
+  GError *error = NULL;
+
+  if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
+    return EXIT_FAILURE;
+
+  script = clutter_script_new ();
+  clutter_script_load_from_file (script, TEST_STATE_SCRIPT_FILE, &error);
+  if (error != NULL)
+    g_error ("Unable to load '%s': %s\n",
+             TEST_STATE_SCRIPT_FILE,
+             error->message);
+
+  stage = clutter_stage_new ();
+  clutter_stage_set_title (CLUTTER_STAGE (stage), "State Script");
+  clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
+  g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
+  clutter_actor_show (stage);
+
+  button = CLUTTER_ACTOR (clutter_script_get_object (script, "button"));
+  clutter_container_add_actor (CLUTTER_CONTAINER (stage), button);
+  clutter_actor_add_constraint (button, clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.5));
+  clutter_actor_add_constraint (button, clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.5));
+
+  clutter_script_connect_signals (script, NULL);
+
+  clutter_main ();
+
+  g_object_unref (script);
+
+  return EXIT_SUCCESS;
+}