2 #include <clutter/clutter.h>
5 #include <clutter-gtk/clutter-gtk.h>
13 typedef struct SuperOH
15 ClutterActor *hand[NHANDS], *bgtex;
21 gboolean fade = FALSE;
25 input_cb (ClutterStage *stage,
29 if (event->type == CLUTTER_BUTTON_PRESS)
34 clutter_event_get_coords (event, &x, &y);
36 a = clutter_stage_get_actor_at_pos (stage, x, y);
37 if (a && (CLUTTER_IS_TEXTURE (a) || CLUTTER_IS_CLONE_TEXTURE (a)))
38 clutter_actor_hide (a);
40 else if (event->type == CLUTTER_KEY_PRESS)
42 ClutterKeyEvent *kev = (ClutterKeyEvent *) event;
44 g_print ("*** key press event (key:%c) ***\n",
45 clutter_key_event_symbol (kev));
47 if (clutter_key_event_symbol (kev) == CLUTTER_q)
53 /* Timeline handler */
55 frame_cb (ClutterTimeline *timeline,
59 SuperOH *oh = (SuperOH *)data;
63 oh->bgpixb = clutter_stage_snapshot (CLUTTER_STAGE (stage),
67 clutter_texture_set_pixbuf (CLUTTER_TEXTURE (oh->bgtex), oh->bgpixb);
68 g_object_unref (G_OBJECT (oh->bgpixb));
69 g_object_unref (stage);
72 /* Rotate everything clockwise about stage center*/
73 clutter_actor_set_rotation (CLUTTER_ACTOR (oh->group),
76 WINWIDTH / 2, WINHEIGHT / 2, 0);
78 for (i = 0; i < NHANDS; i++)
80 /* rotate each hand around there centers */
81 clutter_actor_set_rotation (oh->hand[i],
84 clutter_actor_get_width (oh->hand[i]) / 2,
85 clutter_actor_get_height (oh->hand[i]) / 2,
88 clutter_actor_set_opacity (oh->hand[i], (255 - (frame_num % 255)));
92 clutter_actor_rotate_x (CLUTTER_ACTOR(oh->group),
99 clickity (GtkButton *button,
106 main (int argc, char *argv[])
108 ClutterTimeline *timeline;
110 ClutterColor stage_color = { 0x61, 0x64, 0x8c, 0xff };
111 GtkWidget *window, *clutter, *socket_box;
112 GtkWidget *label, *button, *vbox;
117 if (gtk_clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
118 g_error ("Unable to initialize GtkClutter");
120 pixbuf = gdk_pixbuf_new_from_file ("redhand.png", NULL);
123 g_error("pixbuf load failed");
125 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
126 g_signal_connect (window, "destroy",
127 G_CALLBACK (gtk_main_quit), NULL);
129 vbox = gtk_vbox_new (FALSE, 6);
130 gtk_container_add (GTK_CONTAINER (window), vbox);
132 clutter = gtk_clutter_embed_new ();
133 gtk_widget_set_size_request (clutter, WINWIDTH, WINHEIGHT);
135 gtk_container_add (GTK_CONTAINER (vbox), clutter);
137 stage = gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (clutter));
139 label = gtk_label_new ("This is a label");
140 gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
142 button = gtk_button_new_with_label ("This is a button...clicky");
143 g_signal_connect (button, "clicked",
144 G_CALLBACK (clickity), NULL);
145 gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
147 button = gtk_button_new_from_stock (GTK_STOCK_QUIT);
148 g_signal_connect_swapped (button, "clicked",
149 G_CALLBACK (gtk_widget_destroy),
151 gtk_box_pack_end (GTK_BOX (vbox), button, FALSE, FALSE, 0);
153 /* and its background color */
155 clutter_stage_set_color (CLUTTER_STAGE (stage),
158 oh = g_new(SuperOH, 1);
161 oh->bgtex = clutter_texture_new();
162 clutter_actor_set_size (oh->bgtex, WINWIDTH, WINHEIGHT);
163 clutter_actor_set_opacity (oh->bgtex, 0x99);
164 clutter_group_add (CLUTTER_GROUP (stage), oh->bgtex);
167 /* create a new group to hold multiple actors in a group */
168 oh->group = CLUTTER_GROUP (clutter_group_new ());
170 for (i = 0; i < NHANDS; i++)
174 /* Create a texture from pixbuf, then clone in to same resources */
176 oh->hand[i] = gtk_clutter_texture_new_from_pixbuf (pixbuf);
178 oh->hand[i] = clutter_clone_texture_new (CLUTTER_TEXTURE (oh->hand[0]));
180 ClutterColor colour = { 255, 0, 0, 255 };
182 oh->hand[i] = clutter_rectangle_new_with_color (&colour);
183 clutter_actor_set_size (oh->hand[i], 50, 50);
185 /* Place around a circle */
186 w = clutter_actor_get_width (oh->hand[0]);
187 h = clutter_actor_get_height (oh->hand[0]);
189 x = WINWIDTH/2 + RADIUS * cos (i * M_PI / (NHANDS/2)) - w/2;
190 y = WINHEIGHT/2 + RADIUS * sin (i * M_PI / (NHANDS/2)) - h/2;
192 clutter_actor_set_position (oh->hand[i], x, y);
194 /* Add to our group group */
195 clutter_group_add (oh->group, oh->hand[i]);
198 /* Add the group to the stage */
199 clutter_container_add_actor (CLUTTER_CONTAINER (stage),
200 CLUTTER_ACTOR (oh->group));
202 g_signal_connect (stage, "button-press-event",
203 G_CALLBACK (input_cb),
205 g_signal_connect (stage, "key-release-event",
206 G_CALLBACK (input_cb),
209 gtk_widget_show_all (window);
211 /* Only show the actors after parent show otherwise it will just be
212 * unrealized when the clutter foreign window is set. widget_show
213 * will call show on the stage.
215 clutter_actor_show_all (CLUTTER_ACTOR (oh->group));
217 /* Create a timeline to manage animation */
218 timeline = clutter_timeline_new (360, 60); /* num frames, fps */
219 g_object_set(timeline, "loop", TRUE, NULL); /* have it loop */
221 /* fire a callback for frame change */
222 g_signal_connect(timeline, "new-frame", G_CALLBACK (frame_cb), oh);
225 clutter_timeline_start (timeline);