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added missing test-project.c
This commit is contained in:
Tomas Frydrych
parent
14e00cb904
commit
ae0de6c67c
250
tests/test-project.c
Normal file
250
tests/test-project.c
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@ -0,0 +1,250 @@
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#include <clutter/clutter.h>
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#include <stdio.h>
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#include <stdlib.h>
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ClutterActor *stage, *rect, *p[5];
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gboolean init_done = FALSE;
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static void
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init_handles ()
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{
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gint i;
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ClutterVertex v[4];
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ClutterFixed xp, yp, zp;
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ClutterColor blue = { 0, 0, 0xff, 0xff };
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clutter_actor_project_vertices (rect, v);
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for (i = 0; i < 4; ++i)
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{
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p[i] = clutter_rectangle_new_with_color (&blue);
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clutter_actor_set_size (p[i], 5, 5);
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clutter_actor_set_position (p[i], 0, 0);
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clutter_group_add (CLUTTER_GROUP(stage), p[i]);
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clutter_actor_set_position (p[i],
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CLUTTER_FIXED_INT (v[i].x) -
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clutter_actor_get_width (p[i])/2,
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CLUTTER_FIXED_INT (v[i].y) -
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clutter_actor_get_height (p[i])/2);
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clutter_actor_raise_top (p[i]);
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clutter_actor_show (p[i]);
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}
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xp = CLUTTER_INT_TO_FIXED (clutter_actor_get_width (rect)/2);
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yp = CLUTTER_INT_TO_FIXED (clutter_actor_get_height (rect)/2);
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zp = 0;
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clutter_actor_project_point (rect, &xp, &yp, &zp);
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p[4] = clutter_rectangle_new_with_color (&blue);
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clutter_actor_set_size (p[4], 5, 5);
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clutter_actor_set_position (p[4], 0, 0);
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clutter_group_add (CLUTTER_GROUP(stage), p[4]);
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clutter_actor_set_position (p[4],
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CLUTTER_FIXED_INT (xp) -
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clutter_actor_get_width (p[4])/2,
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CLUTTER_FIXED_INT (yp) -
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clutter_actor_get_height (p[4])/2);
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clutter_actor_raise_top (p[4]);
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clutter_actor_show (p[4]);
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}
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static void
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place_handles ()
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{
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gint i;
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ClutterVertex v[4];
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ClutterFixed xp, yp, zp;
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ClutterColor blue = { 0, 0, 0xff, 0xff };
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clutter_actor_project_vertices (rect, v);
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for (i = 0; i < 4; ++i)
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{
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clutter_actor_set_position (p[i],
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CLUTTER_FIXED_INT (v[i].x) -
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clutter_actor_get_width (p[i])/2,
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CLUTTER_FIXED_INT (v[i].y) -
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clutter_actor_get_height (p[i])/2);
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}
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xp = CLUTTER_INT_TO_FIXED (clutter_actor_get_width (rect)/2);
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yp = CLUTTER_INT_TO_FIXED (clutter_actor_get_height (rect)/2);
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zp = 0;
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clutter_actor_project_point (rect, &xp, &yp, &zp);
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clutter_actor_set_position (p[4],
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CLUTTER_FIXED_INT (xp) -
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clutter_actor_get_width (p[4])/2,
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CLUTTER_FIXED_INT (yp) -
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clutter_actor_get_height (p[4])/2);
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}
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#define M(m,row,col) (m)[col*4+row]
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static gint
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find_handle_index (ClutterActor * a)
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{
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gint i;
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for (i = 0; i < sizeof(p)/sizeof(p[0]); ++i)
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if (p[i] == a)
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return i;
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return -1;
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}
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void
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on_event (ClutterStage *stage,
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ClutterEvent *event,
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gpointer user_data)
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{
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static ClutterActor * dragging = NULL;
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switch (event->type)
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{
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case CLUTTER_BUTTON_PRESS:
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{
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gint x, y;
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ClutterActor * actor;
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clutter_event_get_coords (event, &x, &y);
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actor = clutter_stage_get_actor_at_pos (stage, x, y);
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if (actor != CLUTTER_ACTOR (stage))
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{
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ClutterVertex v[4];
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ClutterActorBox b;
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ClutterFixed vec[4];
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ClutterFixed m[16];
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ClutterFixed xp, yp, zp;
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ClutterFixed xu, yu, zu;
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if (actor != rect)
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dragging = actor;
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}
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}
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break;
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case CLUTTER_MOTION:
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{
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if (dragging)
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{
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gint x, y;
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gint i;
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ClutterActorBox box1, box2;
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ClutterFixed xp, yp;
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i = find_handle_index (dragging);
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if (i < 0)
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break;
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clutter_event_get_coords (event, &x, &y);
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clutter_actor_allocate_coords (dragging, &box1);
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clutter_actor_allocate_coords (rect, &box2);
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xp = CLUTTER_INT_TO_FIXED (x-3) - box1.x1;
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yp = CLUTTER_INT_TO_FIXED (y-3) - box1.y1;
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if (i == 4)
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{
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g_debug ("moving box by %f, %f",
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CLUTTER_FIXED_TO_FLOAT (xp),
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CLUTTER_FIXED_TO_FLOAT (yp));
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clutter_actor_move_by (rect,
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CLUTTER_FIXED_INT(xp),
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CLUTTER_FIXED_INT(yp));
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}
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else
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{
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g_debug ("adjusting box by %f, %f, handle %d",
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CLUTTER_FIXED_TO_FLOAT (xp),
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CLUTTER_FIXED_TO_FLOAT (yp),
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i);
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switch (i)
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{
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case 0:
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box2.x1 += xp;
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box2.y1 += yp;
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break;
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case 1:
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box2.x2 += xp;
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box2.y1 += yp;
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break;
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case 2:
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box2.x1 += xp;
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box2.y2 += yp;
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break;
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case 3:
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box2.x2 += xp;
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box2.y2 += yp;
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break;
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}
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clutter_actor_request_coords (rect, &box2);
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}
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place_handles ();
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}
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}
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break;
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case CLUTTER_BUTTON_RELEASE:
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{
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dragging = NULL;
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}
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break;
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default:
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break;
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}
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}
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int
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main (int argc, char *argv[])
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{
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ClutterAlpha *alpha;
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ClutterBehaviour *o_behave;
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ClutterActor *label;
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ClutterColor stage_color = { 0x0, 0x0, 0x0, 0xff },
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red = { 0xff, 0, 0, 0xff },
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white = { 0xff, 0xff, 0xff, 0xff };
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clutter_init (&argc, &argv);
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stage = clutter_stage_get_default ();
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clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
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clutter_actor_set_size (stage, 640, 480);
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rect = clutter_rectangle_new_with_color (&white);
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clutter_actor_set_size (rect, 320, 240);
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clutter_actor_set_position (rect, 180, 120);
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clutter_actor_rotate_y (rect, 60, 0, 0);
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clutter_group_add (CLUTTER_GROUP(stage), rect);
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label = clutter_label_new_with_text ("Mono 8pt",
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"Drag the blue rectangles");
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clutter_label_set_color (CLUTTER_LABEL (label), &white);
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clutter_actor_set_position (label, 10, 10);
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clutter_group_add (CLUTTER_GROUP(stage), label);
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clutter_actor_show_all (stage);
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g_signal_connect (stage, "event", G_CALLBACK (on_event), NULL);
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init_handles ();
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clutter_main();
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return EXIT_SUCCESS;
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}
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