tests: Add a constraints interactive test

Show how to use constraints and how to animate them.

diff --git a/.gitignore b/.gitignore
index 495821a..9381cac 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -150,6 +150,7 @@ TAGS
 /tests/interactive/test-animator
 /tests/interactive/test-stage-sizing
 /tests/interactive/test-drag
+/tests/interactive/test-constraints
 /tests/conform/stamp-test-conformance
 /tests/conform/test-anchors
 /tests/conform/test-cogl-backface-culling

diff --git a/tests/interactive/Makefile.am b/tests/interactive/Makefile.am
index d45caa8..19f8291 100644 (file)
--- a/tests/interactive/Makefile.am
+++ b/tests/interactive/Makefile.am
@@ -49,7 +49,8 @@ UNIT_TESTS = \
        test-flow-layout.c \
        test-box-layout.c \
        test-stage-sizing.c \
-       test-drag.c
+       test-drag.c \
+       test-constraints.c
 
 if X11_TESTS
 UNIT_TESTS += test-pixmap.c

diff --git a/tests/interactive/test-constraints.c b/tests/interactive/test-constraints.c
new file mode 100644 (file)
index 0000000..6c37335
--- /dev/null
+++ b/tests/interactive/test-constraints.c
@@ -0,0 +1,138 @@
+#include <stdlib.h>
+#include <gmodule.h>
+#include <clutter/clutter.h>
+
+#define H_PADDING       32
+
+static ClutterActor *center_rect = NULL;
+static ClutterActor *left_rect   = NULL;
+static ClutterActor *right_rect  = NULL;
+
+static gboolean      is_expanded = FALSE;
+
+static gboolean
+on_button_release (ClutterActor *actor,
+                   ClutterEvent *event,
+                   gpointer      data G_GNUC_UNUSED)
+{
+  if (!is_expanded)
+    {
+      gfloat left_offset = (clutter_actor_get_width (left_rect) + H_PADDING)
+                         * -1.0f;
+      gfloat right_offset = clutter_actor_get_width (right_rect) + H_PADDING;
+
+      clutter_actor_animate (left_rect, CLUTTER_EASE_OUT_CUBIC, 500,
+                             "opacity", 255,
+                             "@constraints.x-bind.offset", left_offset,
+                             NULL);
+      clutter_actor_animate (right_rect, CLUTTER_EASE_OUT_CUBIC, 500,
+                             "opacity", 255,
+                             "@constraints.x-bind.offset", right_offset,
+                             NULL);
+    }
+  else
+    {
+      clutter_actor_animate (left_rect, CLUTTER_EASE_OUT_CUBIC, 500,
+                             "opacity", 0,
+                             "@constraints.x-bind.offset", 0.0f,
+                             NULL);
+      clutter_actor_animate (right_rect, CLUTTER_EASE_OUT_CUBIC, 500,
+                             "opacity", 0,
+                             "@constraints.x-bind.offset", 0.0f,
+                             NULL);
+    }
+
+  is_expanded = !is_expanded;
+
+  return TRUE;
+}
+
+G_MODULE_EXPORT int
+test_constraints_main (int argc, char *argv[])
+{
+  ClutterActor *stage, *rect;
+  ClutterColor rect_color;
+  ClutterConstraint *constraint;
+
+  clutter_init (&argc, &argv);
+
+  stage = clutter_stage_new ();
+  g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
+  clutter_stage_set_title (CLUTTER_STAGE (stage), "Constraints");
+  clutter_actor_set_size (stage, 800, 600);
+
+  /* main rect */
+  clutter_color_from_string (&rect_color, "#73d216ff");
+  rect = clutter_rectangle_new ();
+  g_signal_connect (rect, "button-release-event",
+                    G_CALLBACK (on_button_release),
+                    NULL);
+  clutter_rectangle_set_color (CLUTTER_RECTANGLE (rect), &rect_color);
+  clutter_actor_set_size (rect, 256, 256);
+  clutter_actor_set_reactive (rect, TRUE);
+  clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
+
+#if 0
+  constraint = clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.5);
+  clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "x-align");
+  clutter_actor_add_constraint (rect, constraint);
+
+  constraint = clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.5);
+  clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "y-align");
+  clutter_actor_add_constraint (rect, constraint);
+#else
+  clutter_actor_set_position (rect, (800 - 256) / 2.0, (600 - 256) / 2.0);
+#endif
+
+  center_rect = rect;
+
+  /* left rectangle */
+  clutter_color_from_string (&rect_color, "#cc0000ff");
+  rect = clutter_rectangle_new ();
+  clutter_rectangle_set_color (CLUTTER_RECTANGLE (rect), &rect_color);
+  clutter_actor_set_size (rect, 256, 256);
+  clutter_actor_set_opacity (rect, 0);
+  clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
+
+  constraint = clutter_bind_constraint_new (center_rect, CLUTTER_BIND_X_AXIS, 0.0f);
+  clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "x-bind");
+  clutter_actor_add_constraint (rect, constraint);
+
+#if 0
+  constraint = clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.5);
+  clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "y-align");
+  clutter_actor_add_constraint (rect, constraint);
+#else
+  clutter_actor_set_y (rect, (600 - 256) / 2.0);
+#endif
+
+  left_rect = rect;
+
+  /* right rectangle */
+  clutter_color_from_string (&rect_color, "#3465a4ff");
+  rect = clutter_rectangle_new ();
+  clutter_rectangle_set_color (CLUTTER_RECTANGLE (rect), &rect_color);
+  clutter_actor_set_size (rect, 256, 256);
+  clutter_actor_set_opacity (rect, 0);
+  clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
+
+  constraint = clutter_bind_constraint_new (center_rect, CLUTTER_BIND_X_AXIS, 0.0f);
+  clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "x-bind");
+  clutter_actor_add_constraint (rect, constraint);
+
+#if 0
+  constraint = clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.5);
+  clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "y-align");
+  clutter_actor_add_constraint (rect, constraint);
+#else
+  clutter_actor_set_y (rect, (600 - 256) / 2.0);
+#endif
+
+  right_rect = rect;
+
+  clutter_actor_show (stage);
+
+  clutter_main ();
+
+  return EXIT_SUCCESS;
+}