213 lines
6.2 KiB
C
213 lines
6.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <glib.h>
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#include <gmodule.h>
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#include <clutter/clutter.h>
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static gboolean
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button_press_cb (ClutterStage *stage,
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ClutterButtonEvent *event,
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gpointer data)
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{
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const gchar *click_type;
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switch (event->click_count)
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{
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case 2:
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click_type = "double";
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break;
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case 3:
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click_type = "triple";
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break;
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default:
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click_type = "single";
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break;
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}
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g_print ("%s button press event\n", click_type);
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return FALSE;
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}
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static gboolean
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scroll_event_cb (ClutterStage *stage,
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ClutterScrollEvent *event,
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gpointer data)
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{
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g_print ("scroll direction: %s\n",
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event->direction == CLUTTER_SCROLL_UP ? "up"
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: "down");
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return FALSE;
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}
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typedef enum {
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PATH_POLY,
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PATH_ELLIPSE,
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PATH_BSPLINE
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} path_t;
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G_MODULE_EXPORT int
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test_behave_main (int argc, char *argv[])
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{
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ClutterTimeline *timeline;
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ClutterAlpha *alpha;
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ClutterBehaviour *o_behave, *p_behave;
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ClutterActor *stage;
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ClutterActor *group, *rect, *hand;
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gchar *file;
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int i;
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path_t path_type = PATH_POLY;
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const char *knots_poly = ("M 0, 0 L 0, 300 L 300, 300 "
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"L 300, 0 L 0, 0");
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/* A spiral created with inkscake */
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const char *knots_bspline =
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"M 34.285713,35.219326 "
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"C 44.026891,43.384723 28.084874,52.378758 20.714286,51.409804 "
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"C 0.7404474,48.783999 -4.6171866,23.967448 1.904757,8.0764719 "
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"C 13.570984,-20.348756 49.798303,-26.746504 74.999994,-13.352108 "
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"C 111.98449,6.3047056 119.56591,55.259271 99.047626,89.505034 "
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"C 71.699974,135.14925 9.6251774,143.91924 -33.571422,116.17172 "
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"C -87.929934,81.254291 -97.88804,5.8941057 -62.857155,-46.209236 "
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"C -20.430061,-109.31336 68.300385,-120.45954 129.2857,-78.114021 "
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"C 201.15479,-28.21129 213.48932,73.938876 163.80954,143.79074 "
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"C 106.45226,224.43749 -9.1490153,237.96076 -87.85713,180.93363 "
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"C -177.29029,116.13577 -192.00272,-12.937817 -127.61907,-100.49494 "
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"C -55.390344,-198.72081 87.170553,-214.62275 183.57141,-142.87593 "
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"C 290.59464,-63.223369 307.68641,92.835839 228.57145,198.07645";
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for (i = 0; i < argc; ++i)
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{
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if (!strncmp (argv[i], "--path", 6))
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{
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if (!strncmp (argv[i] + 7, "poly", 4))
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path_type = PATH_POLY;
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else if (!strncmp (argv[i] + 7, "bspline", 7))
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path_type = PATH_BSPLINE;
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else if (!strncmp (argv[i] + 7, "ellipse", 7))
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path_type = PATH_ELLIPSE;
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}
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else if (!strncmp (argv[i], "--help", 6))
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{
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printf ("behave [--path=poly|ellipse|bspline]\n");
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exit (0);
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}
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}
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if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
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return 1;
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stage = clutter_stage_new ();
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clutter_stage_set_title (CLUTTER_STAGE (stage), "Behaviours");
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clutter_stage_set_color (CLUTTER_STAGE (stage), CLUTTER_COLOR_Aluminium2);
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clutter_stage_hide_cursor (CLUTTER_STAGE (stage));
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g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
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g_signal_connect (stage, "button-press-event",
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G_CALLBACK (button_press_cb),
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NULL);
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g_signal_connect (stage, "scroll-event",
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G_CALLBACK (scroll_event_cb),
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NULL);
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g_signal_connect (stage, "key-press-event",
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G_CALLBACK (clutter_main_quit),
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NULL);
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/* Make a hand */
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group = clutter_group_new ();
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), group);
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clutter_actor_show (group);
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file = g_build_filename (TESTS_DATADIR, "redhand.png", NULL);
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hand = clutter_texture_new_from_file (file, NULL);
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if (hand == NULL)
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g_error("Unable to load '%s'", file);
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g_free (file);
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clutter_actor_set_position (hand, 0, 0);
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clutter_actor_show (hand);
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rect = clutter_rectangle_new ();
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clutter_actor_set_position (rect, 0, 0);
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clutter_actor_set_size (rect,
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clutter_actor_get_width (hand),
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clutter_actor_get_height (hand));
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clutter_rectangle_set_color (CLUTTER_RECTANGLE (rect), CLUTTER_COLOR_Transparent);
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clutter_rectangle_set_border_width (CLUTTER_RECTANGLE (rect), 10);
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clutter_rectangle_set_border_color (CLUTTER_RECTANGLE (rect),
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CLUTTER_COLOR_Chameleon);
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clutter_actor_show (rect);
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clutter_container_add (CLUTTER_CONTAINER (group), rect, hand, NULL);
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/* Make a timeline */
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timeline = clutter_timeline_new (4000);
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clutter_timeline_set_loop (timeline, TRUE);
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clutter_timeline_set_auto_reverse (timeline, TRUE);
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/* Set an alpha func to power behaviour - ramp is constant rise */
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alpha = clutter_alpha_new_full (timeline, CLUTTER_LINEAR);
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/* Create a behaviour for that alpha */
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o_behave = clutter_behaviour_opacity_new (alpha, 0X33, 0xff);
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/* Apply it to our actor */
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clutter_behaviour_apply (o_behave, group);
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/* Make a path behaviour and apply that too */
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switch (path_type)
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{
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case PATH_POLY:
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{
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ClutterPath *path = clutter_path_new ();
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clutter_path_set_description (path, knots_poly);
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p_behave = clutter_behaviour_path_new (alpha, path);
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}
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break;
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case PATH_ELLIPSE:
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p_behave =
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clutter_behaviour_ellipse_new (alpha, 200, 200, 400, 300,
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CLUTTER_ROTATE_CW,
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0.0, 360.0);
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clutter_behaviour_ellipse_set_angle_tilt (CLUTTER_BEHAVIOUR_ELLIPSE (p_behave),
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CLUTTER_X_AXIS,
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45.0);
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clutter_behaviour_ellipse_set_angle_tilt (CLUTTER_BEHAVIOUR_ELLIPSE (p_behave),
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CLUTTER_Z_AXIS,
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45.0);
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break;
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case PATH_BSPLINE:
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{
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ClutterPath *path = clutter_path_new ();
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clutter_path_set_description (path, knots_bspline);
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p_behave = clutter_behaviour_path_new (alpha, path);
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}
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break;
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default:
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g_assert_not_reached ();
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break;
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}
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clutter_behaviour_apply (p_behave, group);
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/* start the timeline and thus the animations */
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clutter_timeline_start (timeline);
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clutter_actor_show_all (stage);
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clutter_main();
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g_object_unref (o_behave);
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g_object_unref (p_behave);
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return 0;
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}
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