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https://github.com/brl/mutter.git
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Use a 9 grid for the constraints test
Let's complicate the interactive constraints test a little bit by adding more actors and animating two constraints at a time.
This commit is contained in:
Emmanuele Bassi
parent
6457f66976
commit
5d1b18669b
@ -3,10 +3,23 @@
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#include <clutter/clutter.h>
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#define H_PADDING 32
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#define V_PADDING 32
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static ClutterActor *center_rect = NULL;
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static ClutterActor *left_rect = NULL;
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static ClutterActor *right_rect = NULL;
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enum
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{
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NorthWest, North, NorthEast,
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West, Center, East,
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SouthWest, South, SouthEast,
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N_RECTS
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};
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static ClutterActor *rects[N_RECTS] = { NULL, };
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static const gchar *colors[N_RECTS] = {
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"#8ae234", "#73d216", "#4e9a06",
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"#729fcf", "#3465a4", "#204a87",
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"#ef2929", "#cc0000", "#a40000"
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};
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static gboolean is_expanded = FALSE;
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@ -17,35 +30,82 @@ on_button_release (ClutterActor *actor,
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{
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if (!is_expanded)
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{
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gfloat left_offset = (clutter_actor_get_width (left_rect) + H_PADDING)
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* -1.0f;
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gfloat right_offset = clutter_actor_get_width (right_rect) + H_PADDING;
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gfloat north_offset, south_offset;
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gfloat west_offset, east_offset;
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clutter_actor_animate (center_rect, CLUTTER_LINEAR, 500,
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north_offset = (clutter_actor_get_height (rects[Center]) + V_PADDING)
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* -1.0f;
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south_offset = (clutter_actor_get_height (rects[Center]) + V_PADDING);
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west_offset = (clutter_actor_get_width (rects[Center]) + H_PADDING)
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* -1.0f;
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east_offset = (clutter_actor_get_width (rects[Center]) + H_PADDING);
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clutter_actor_animate (rects[Center], CLUTTER_LINEAR, 500,
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"opacity", 128,
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NULL);
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clutter_actor_animate (left_rect, CLUTTER_EASE_OUT_CUBIC, 500,
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clutter_actor_animate (rects[NorthWest], CLUTTER_EASE_OUT_CUBIC, 500,
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"opacity", 255,
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"@constraints.x-bind.offset", left_offset,
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"@constraints.x-bind.offset", west_offset,
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"@constraints.y-bind.offset", north_offset,
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NULL);
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clutter_actor_animate (right_rect, CLUTTER_EASE_OUT_CUBIC, 500,
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clutter_actor_animate (rects[North], CLUTTER_EASE_OUT_CUBIC, 500,
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"opacity", 255,
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"@constraints.x-bind.offset", right_offset,
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"@constraints.y-bind.offset", north_offset,
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NULL);
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clutter_actor_animate (rects[NorthEast], CLUTTER_EASE_OUT_CUBIC, 500,
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"opacity", 255,
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"@constraints.x-bind.offset", east_offset,
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"@constraints.y-bind.offset", north_offset,
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NULL);
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clutter_actor_animate (rects[West], CLUTTER_EASE_OUT_CUBIC, 500,
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"opacity", 255,
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"@constraints.x-bind.offset", west_offset,
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NULL);
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clutter_actor_animate (rects[Center], CLUTTER_LINEAR, 500,
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"opacity", 128,
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NULL);
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clutter_actor_animate (rects[East], CLUTTER_EASE_OUT_CUBIC, 500,
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"opacity", 255,
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"@constraints.x-bind.offset", east_offset,
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NULL);
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clutter_actor_animate (rects[SouthWest], CLUTTER_EASE_OUT_CUBIC, 500,
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"opacity", 255,
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"@constraints.x-bind.offset", west_offset,
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"@constraints.y-bind.offset", south_offset,
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NULL);
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clutter_actor_animate (rects[South], CLUTTER_EASE_OUT_CUBIC, 500,
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"opacity", 255,
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"@constraints.y-bind.offset", south_offset,
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NULL);
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clutter_actor_animate (rects[SouthEast], CLUTTER_EASE_OUT_CUBIC, 500,
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"opacity", 255,
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"@constraints.x-bind.offset", east_offset,
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"@constraints.y-bind.offset", south_offset,
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NULL);
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}
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else
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{
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clutter_actor_animate (center_rect, CLUTTER_LINEAR, 500,
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gint i;
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clutter_actor_animate (rects[Center], CLUTTER_LINEAR, 500,
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"opacity", 255,
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NULL);
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clutter_actor_animate (left_rect, CLUTTER_EASE_OUT_CUBIC, 500,
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"opacity", 0,
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"@constraints.x-bind.offset", 0.0f,
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NULL);
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clutter_actor_animate (right_rect, CLUTTER_EASE_OUT_CUBIC, 500,
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"opacity", 0,
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"@constraints.x-bind.offset", 0.0f,
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NULL);
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for (i = NorthWest; i < N_RECTS; i++)
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{
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if (i == Center)
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continue;
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clutter_actor_animate (rects[i], CLUTTER_EASE_OUT_CUBIC, 500,
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"opacity", 0,
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"@constraints.x-bind.offset", 0.0f,
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"@constraints.y-bind.offset", 0.0f,
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NULL);
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}
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}
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is_expanded = !is_expanded;
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@ -57,8 +117,9 @@ G_MODULE_EXPORT int
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test_constraints_main (int argc, char *argv[])
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{
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ClutterActor *stage, *rect;
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ClutterColor rect_color;
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ClutterConstraint *constraint;
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ClutterColor rect_color;
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gint i;
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clutter_init (&argc, &argv);
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@ -68,7 +129,7 @@ test_constraints_main (int argc, char *argv[])
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clutter_actor_set_size (stage, 800, 600);
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/* main rect */
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clutter_color_from_string (&rect_color, "#73d216ff");
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clutter_color_from_string (&rect_color, "#3465a4");
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rect = clutter_rectangle_new ();
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g_signal_connect (rect, "button-release-event",
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G_CALLBACK (on_button_release),
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@ -86,43 +147,30 @@ test_constraints_main (int argc, char *argv[])
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clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "y-align");
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clutter_actor_add_constraint (rect, constraint);
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center_rect = rect;
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rects[Center] = rect;
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/* left rectangle */
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clutter_color_from_string (&rect_color, "#cc0000ff");
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rect = clutter_rectangle_new ();
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clutter_rectangle_set_color (CLUTTER_RECTANGLE (rect), &rect_color);
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clutter_actor_set_size (rect, 128, 128);
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clutter_actor_set_opacity (rect, 0);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
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for (i = 0; i < N_RECTS; i++)
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{
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if (i == Center)
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continue;
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constraint = clutter_bind_constraint_new (center_rect, CLUTTER_BIND_X, 0.0f);
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clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "x-bind");
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clutter_actor_add_constraint (rect, constraint);
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clutter_color_from_string (&rect_color, colors[i]);
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rect = clutter_rectangle_new ();
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clutter_rectangle_set_color (CLUTTER_RECTANGLE (rect), &rect_color);
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clutter_actor_set_size (rect, 128, 128);
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clutter_actor_set_opacity (rect, 0);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
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constraint = clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.5);
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clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "y-align");
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clutter_actor_add_constraint (rect, constraint);
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constraint = clutter_bind_constraint_new (rects[Center], CLUTTER_BIND_X, 0.0);
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clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "x-bind");
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clutter_actor_add_constraint (rect, constraint);
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left_rect = rect;
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constraint = clutter_bind_constraint_new (rects[Center], CLUTTER_BIND_Y, 0.0);
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clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "y-bind");
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clutter_actor_add_constraint (rect, constraint);
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/* right rectangle */
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clutter_color_from_string (&rect_color, "#3465a4ff");
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rect = clutter_rectangle_new ();
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clutter_rectangle_set_color (CLUTTER_RECTANGLE (rect), &rect_color);
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clutter_actor_set_size (rect, 128, 128);
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clutter_actor_set_opacity (rect, 0);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
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constraint = clutter_bind_constraint_new (center_rect, CLUTTER_BIND_X, 0.0f);
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clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "x-bind");
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clutter_actor_add_constraint (rect, constraint);
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constraint = clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.5);
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clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "y-align");
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clutter_actor_add_constraint (rect, constraint);
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right_rect = rect;
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rects[i] = rect;
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}
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clutter_actor_show (stage);
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