a64b6b7ee7
* clutter/clutter-color.c: (clutter_color_parse):
Handle #rrggbbaa color setting strings (i.e with alpha).
Set alpha to 0xff if it is not specified.
* clutter/clutter-stage.c: (clutter_stage_get_actor_at_pos)
Increase select buffer.
* examples/super-oh.c:
Fix up use of clutter_group_show_all()
284 lines
6.6 KiB
C
284 lines
6.6 KiB
C
#include <clutter/clutter.h>
|
|
#ifdef CLUTTER_FLAVOUR_GLX
|
|
#include <clutter/clutter-glx.h>
|
|
#endif
|
|
#include <math.h>
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <glib.h>
|
|
|
|
#define TRAILS 0
|
|
#define NHANDS 6
|
|
#define RADIUS ((CLUTTER_STAGE_WIDTH()+CLUTTER_STAGE_HEIGHT())/NHANDS)
|
|
|
|
typedef struct SuperOH
|
|
{
|
|
ClutterActor **hand, *bgtex;
|
|
ClutterActor *group;
|
|
GdkPixbuf *bgpixb;
|
|
|
|
} SuperOH;
|
|
|
|
static gint n_hands = NHANDS;
|
|
|
|
static GOptionEntry super_oh_entries[] = {
|
|
{
|
|
"num-hands", 'n',
|
|
0,
|
|
G_OPTION_ARG_INT, &n_hands,
|
|
"Number of hands", "HANDS"
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
static gint
|
|
get_radius (void)
|
|
{
|
|
return (CLUTTER_STAGE_WIDTH() + CLUTTER_STAGE_HEIGHT()) / n_hands;
|
|
}
|
|
|
|
void
|
|
screensaver_setup (void)
|
|
{
|
|
#ifdef CLUTTER_FLAVOUR_GLX
|
|
const gchar *preview_xid;
|
|
gboolean foreign_success = FALSE;
|
|
ClutterActor *stage;
|
|
|
|
stage = clutter_stage_get_default ();
|
|
|
|
preview_xid = g_getenv ("XSCREENSAVER_WINDOW");
|
|
|
|
if (preview_xid && *preview_xid)
|
|
{
|
|
char *end;
|
|
Window remote_xwin = (Window) strtoul (preview_xid, &end, 0);
|
|
|
|
if ((remote_xwin != None) && (end != NULL) &&
|
|
((*end == ' ') || (*end == '\0')) &&
|
|
((remote_xwin < G_MAXULONG) || (errno != ERANGE)))
|
|
{
|
|
|
|
foreign_success =
|
|
clutter_glx_stage_set_foreign (CLUTTER_STAGE (stage), remote_xwin);
|
|
}
|
|
}
|
|
|
|
if (!foreign_success)
|
|
clutter_actor_set_size (stage, 800, 600);
|
|
#endif
|
|
}
|
|
|
|
/* input handler */
|
|
void
|
|
input_cb (ClutterStage *stage,
|
|
ClutterEvent *event,
|
|
gpointer data)
|
|
{
|
|
SuperOH *oh = (SuperOH *)data;
|
|
|
|
if (event->type == CLUTTER_BUTTON_PRESS)
|
|
{
|
|
ClutterButtonEvent *button_event;
|
|
ClutterActor *e;
|
|
gint x, y;
|
|
|
|
clutter_event_get_coords (event, &x, &y);
|
|
|
|
button_event = (ClutterButtonEvent *) event;
|
|
g_print ("*** button press event (button:%d) ***\n",
|
|
button_event->button);
|
|
|
|
e = clutter_stage_get_actor_at_pos (stage, x, y);
|
|
|
|
if (e)
|
|
clutter_actor_hide (e);
|
|
}
|
|
else if (event->type == CLUTTER_KEY_RELEASE)
|
|
{
|
|
ClutterKeyEvent *kev = (ClutterKeyEvent *) event;
|
|
|
|
g_print ("*** key press event (key:%c) ***\n",
|
|
clutter_key_event_symbol (kev));
|
|
|
|
if (clutter_key_event_symbol (kev) == CLUTTER_q)
|
|
clutter_main_quit ();
|
|
}
|
|
}
|
|
|
|
|
|
/* Timeline handler */
|
|
void
|
|
frame_cb (ClutterTimeline *timeline,
|
|
gint frame_num,
|
|
gpointer data)
|
|
{
|
|
SuperOH *oh = (SuperOH *)data;
|
|
ClutterActor *stage = clutter_stage_get_default ();
|
|
gint i;
|
|
|
|
#if TRAILS
|
|
oh->bgpixb = clutter_stage_snapshot (CLUTTER_STAGE (stage),
|
|
0, 0,
|
|
CLUTTER_STAGE_WIDTH(),
|
|
CLUTTER_STAGE_HEIGHT());
|
|
clutter_texture_set_pixbuf (CLUTTER_TEXTURE (oh->bgtex), oh->bgpixb);
|
|
g_object_unref (G_OBJECT (oh->bgpixb));
|
|
#endif
|
|
|
|
/* Rotate everything clockwise about stage center*/
|
|
clutter_actor_rotate_z (CLUTTER_ACTOR (oh->group),
|
|
frame_num,
|
|
CLUTTER_STAGE_WIDTH() / 2,
|
|
CLUTTER_STAGE_HEIGHT() / 2);
|
|
for (i = 0; i < n_hands; i++)
|
|
{
|
|
/* rotate each hand around there centers */
|
|
clutter_actor_rotate_z (oh->hand[i],
|
|
- 6.0 * frame_num,
|
|
clutter_actor_get_width (oh->hand[i]) / 2,
|
|
clutter_actor_get_height (oh->hand[i]) / 2);
|
|
}
|
|
|
|
/*
|
|
clutter_actor_rotate_x (CLUTTER_ACTOR(oh->group),
|
|
75.0,
|
|
CLUTTER_STAGE_HEIGHT()/2, 0);
|
|
*/
|
|
}
|
|
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
ClutterTimeline *timeline;
|
|
ClutterActor *stage;
|
|
ClutterColor stage_color = { 0x61, 0x64, 0x8c, 0xff };
|
|
GdkPixbuf *pixbuf;
|
|
SuperOH *oh;
|
|
gint i;
|
|
GError *error;
|
|
|
|
error = NULL;
|
|
clutter_init_with_args (&argc, &argv,
|
|
NULL,
|
|
super_oh_entries,
|
|
NULL,
|
|
&error);
|
|
if (error)
|
|
{
|
|
g_warning ("Unable to initialise Clutter:\n%s",
|
|
error->message);
|
|
g_error_free (error);
|
|
|
|
exit (1);
|
|
}
|
|
|
|
stage = clutter_stage_get_default ();
|
|
|
|
pixbuf = gdk_pixbuf_new_from_file ("redhand.png", NULL);
|
|
|
|
if (!pixbuf)
|
|
g_error("pixbuf load failed");
|
|
|
|
/* Set our stage (window) size */
|
|
// clutter_actor_set_size (stage, WINWIDTH, WINHEIGHT);
|
|
|
|
/* and its background color */
|
|
|
|
screensaver_setup ();
|
|
|
|
clutter_stage_set_color (CLUTTER_STAGE (stage),
|
|
&stage_color);
|
|
|
|
oh = g_new(SuperOH, 1);
|
|
|
|
#if TRAILS
|
|
oh->bgtex = clutter_texture_new();
|
|
clutter_actor_set_size (oh->bgtex,
|
|
CLUTTER_STAGE_WIDTH(), CLUTTER_STAGE_HEIGHT());
|
|
clutter_actor_set_opacity (oh->bgtex, 0x99);
|
|
clutter_group_add (CLUTTER_GROUP (stage), oh->bgtex);
|
|
#endif
|
|
|
|
/* create a new group to hold multiple actors in a group */
|
|
oh->group = clutter_group_new();
|
|
|
|
oh->hand = g_new (ClutterActor*, n_hands);
|
|
for (i = 0; i < n_hands; i++)
|
|
{
|
|
gint x, y, w, h;
|
|
gint radius = get_radius ();
|
|
|
|
/* Create a texture from pixbuf, then clone in to same resources */
|
|
if (i == 0)
|
|
oh->hand[i] = clutter_texture_new_from_pixbuf (pixbuf);
|
|
else
|
|
oh->hand[i] = clutter_clone_texture_new (CLUTTER_TEXTURE(oh->hand[0]));
|
|
|
|
/* Place around a circle */
|
|
w = clutter_actor_get_width (oh->hand[0]);
|
|
h = clutter_actor_get_height (oh->hand[0]);
|
|
|
|
x = CLUTTER_STAGE_WIDTH () / 2
|
|
+ radius
|
|
* cos (i * M_PI / (n_hands / 2))
|
|
- w / 2;
|
|
y = CLUTTER_STAGE_HEIGHT () / 2
|
|
+ radius
|
|
* sin (i * M_PI / (n_hands / 2))
|
|
- h / 2;
|
|
|
|
clutter_actor_set_position (oh->hand[i], x, y);
|
|
|
|
/* Add to our group group */
|
|
clutter_group_add (CLUTTER_GROUP (oh->group), oh->hand[i]);
|
|
}
|
|
|
|
#if 0
|
|
{
|
|
clutter_actor_set_scale (oh->group, .1, 0.1);
|
|
|
|
guint w, h;
|
|
clutter_actor_get_abs_size (CLUTTER_ACTOR(oh->hand[0]), &w, &h);
|
|
g_print ("%ix%i\n", w, h);
|
|
g_print ("%ix%i\n",
|
|
clutter_actor_get_width(oh->hand[0]),
|
|
clutter_actor_get_height(oh->hand[0]));
|
|
}
|
|
#endif
|
|
|
|
clutter_actor_show_all (oh->group);
|
|
|
|
/* Add the group to the stage */
|
|
clutter_group_add (CLUTTER_GROUP (stage), CLUTTER_ACTOR(oh->group));
|
|
|
|
/* Show everying ( and map window ) */
|
|
clutter_actor_show_all (stage);
|
|
|
|
|
|
g_signal_connect (stage, "button-press-event",
|
|
G_CALLBACK (input_cb),
|
|
oh);
|
|
g_signal_connect (stage, "key-release-event",
|
|
G_CALLBACK (input_cb),
|
|
oh);
|
|
|
|
/* Create a timeline to manage animation */
|
|
timeline = clutter_timeline_new (360, 90); /* num frames, fps */
|
|
g_object_set(timeline, "loop", TRUE, 0); /* have it loop */
|
|
|
|
/* fire a callback for frame change */
|
|
g_signal_connect (timeline, "new-frame",
|
|
G_CALLBACK (frame_cb), oh);
|
|
|
|
/* and start it */
|
|
clutter_timeline_start (timeline);
|
|
|
|
clutter_main();
|
|
|
|
g_free (oh->hand);
|
|
g_free (oh);
|
|
|
|
return 0;
|
|
}
|