[test-interactive] Add a stage sizing test

Add an interactive stage sizing test to test the interaction of
fullscreening/resizing/expanding/shrinking a visible stage.

tests/interactive/Makefile.am

@@ -47,7 +47,8 @@ UNIT_TESTS = \
 	test-cogl-vertex-buffer.c \
 	test-bin-layout.c \
 	test-flow-layout.c \
-	test-box-layout.c
+	test-box-layout.c \
+	test-stage-sizing.c
 
 if X11_TESTS
 UNIT_TESTS += test-pixmap.c

tests/interactive/test-stage-sizing.c

@@ -0,0 +1,113 @@
+#include <stdlib.h>
+#include <gmodule.h>
+#include <clutter/clutter.h>
+
+static gboolean
+fullscreen_clicked_cb (ClutterStage *stage)
+{
+  clutter_stage_set_fullscreen (stage, !clutter_stage_get_fullscreen (stage));
+  return TRUE;
+}
+
+static gboolean
+resize_clicked_cb (ClutterStage *stage)
+{
+  clutter_stage_set_user_resizable (stage,
+                                    !clutter_stage_get_user_resizable (stage));
+  return TRUE;
+}
+
+static gboolean
+shrink_clicked_cb (ClutterActor *stage)
+{
+  gfloat width, height;
+  clutter_actor_get_size (stage, &width, &height);
+  clutter_actor_set_size (stage, MAX (0, width - 10.f), MAX (0, height - 10.f));
+  return TRUE;
+}
+
+static gboolean
+expand_clicked_cb (ClutterActor *stage)
+{
+  gfloat width, height;
+  clutter_actor_get_size (stage, &width, &height);
+  clutter_actor_set_size (stage, width + 10.f, height + 10.f);
+  return TRUE;
+}
+
+G_MODULE_EXPORT int
+test_stage_sizing_main (int argc, char *argv[])
+{
+  gfloat width;
+  ClutterColor color;
+  ClutterActor *stage, *rect, *label;
+
+  clutter_init (&argc, &argv);
+
+  stage = clutter_stage_get_default ();
+
+  label = clutter_text_new_with_text ("Sans 16", "Toggle fullscreen");
+  clutter_color_from_string (&color, "light red");
+  rect = clutter_rectangle_new_with_color (&color);
+  clutter_actor_set_size (rect,
+                          clutter_actor_get_width (label) + 20,
+                          clutter_actor_get_height (label) + 20);
+  clutter_container_add (CLUTTER_CONTAINER (stage), rect, label, NULL);
+  clutter_actor_set_position (label, 10, 10);
+  clutter_actor_set_reactive (rect, TRUE);
+  g_signal_connect_swapped (rect, "button-press-event",
+                            G_CALLBACK (fullscreen_clicked_cb), stage);
+  width = clutter_actor_get_width (rect);
+
+  label = clutter_text_new_with_text ("Sans 16", "Toggle resizable");
+  clutter_color_from_string (&color, "light green");
+  rect = clutter_rectangle_new_with_color (&color);
+  clutter_actor_set_size (rect,
+                          clutter_actor_get_width (label) + 20,
+                          clutter_actor_get_height (label) + 20);
+  clutter_container_add (CLUTTER_CONTAINER (stage), rect, label, NULL);
+  clutter_actor_set_x (rect, width);
+  clutter_actor_set_position (label, 10 + width, 10);
+  clutter_actor_set_reactive (rect, TRUE);
+  g_signal_connect_swapped (rect, "button-press-event",
+                            G_CALLBACK (resize_clicked_cb), stage);
+  width += clutter_actor_get_width (rect);
+
+  label = clutter_text_new_with_text ("Sans 16", "Shrink");
+  clutter_color_from_string (&color, "light blue");
+  rect = clutter_rectangle_new_with_color (&color);
+  clutter_actor_set_size (rect,
+                          clutter_actor_get_width (label) + 20,
+                          clutter_actor_get_height (label) + 20);
+  clutter_container_add (CLUTTER_CONTAINER (stage), rect, label, NULL);
+  clutter_actor_set_x (rect, width);
+  clutter_actor_set_position (label, 10 + width, 10);
+  clutter_actor_set_reactive (rect, TRUE);
+  g_signal_connect_swapped (rect, "button-press-event",
+                            G_CALLBACK (shrink_clicked_cb), stage);
+  width += clutter_actor_get_width (rect);
+
+  label = clutter_text_new_with_text ("Sans 16", "Expand");
+  clutter_color_from_string (&color, "light yellow");
+  rect = clutter_rectangle_new_with_color (&color);
+  clutter_actor_set_size (rect,
+                          clutter_actor_get_width (label) + 20,
+                          clutter_actor_get_height (label) + 20);
+  clutter_container_add (CLUTTER_CONTAINER (stage), rect, label, NULL);
+  clutter_actor_set_x (rect, width);
+  clutter_actor_set_position (label, 10 + width, 10);
+  clutter_actor_set_reactive (rect, TRUE);
+  g_signal_connect_swapped (rect, "button-press-event",
+                            G_CALLBACK (expand_clicked_cb), stage);
+  width += clutter_actor_get_width (rect);
+
+  clutter_stage_set_minimum_size (CLUTTER_STAGE (stage),
+                                  width,
+                                  clutter_actor_get_height (rect));
+
+  clutter_actor_show (stage);
+
+  clutter_main ();
+
+  return EXIT_SUCCESS;
+}