mirror of
https://github.com/brl/mutter.git
synced 2024-12-27 13:22:15 +00:00
127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
#include <stdlib.h>
|
|
#include <gmodule.h>
|
|
#include <clutter/clutter.h>
|
|
|
|
static gboolean is_expanded = FALSE;
|
|
|
|
static void
|
|
on_rect_transitions_completed (ClutterActor *actor)
|
|
{
|
|
is_expanded = !is_expanded;
|
|
|
|
g_print ("Animation complete\n");
|
|
|
|
clutter_actor_set_reactive (actor, TRUE);
|
|
}
|
|
|
|
static void
|
|
on_clicked (ClutterClickAction *action,
|
|
ClutterActor *actor,
|
|
gpointer dummy G_GNUC_UNUSED)
|
|
{
|
|
ClutterAnimation *animation;
|
|
gfloat old_x, old_y, new_x, new_y;
|
|
gfloat old_width, old_height, new_width, new_height;
|
|
gdouble new_angle;
|
|
const ClutterColor *new_color;
|
|
guint8 new_opacity;
|
|
|
|
clutter_actor_get_position (actor, &old_x, &old_y);
|
|
clutter_actor_get_size (actor, &old_width, &old_height);
|
|
|
|
/* determine the final state of the animation depending on
|
|
* the state of the actor
|
|
*/
|
|
if (!is_expanded)
|
|
{
|
|
new_x = old_x - 100;
|
|
new_y = old_y - 100;
|
|
new_width = old_width + 200;
|
|
new_height = old_height + 200;
|
|
new_angle = 360.0;
|
|
|
|
new_color = CLUTTER_COLOR_DarkScarletRed;
|
|
|
|
new_opacity = 255;
|
|
}
|
|
else
|
|
{
|
|
new_x = old_x + 100;
|
|
new_y = old_y + 100;
|
|
new_width = old_width - 200;
|
|
new_height = old_height - 200;
|
|
new_angle = 0.0;
|
|
|
|
new_color = CLUTTER_COLOR_LightOrange;
|
|
|
|
new_opacity = 128;
|
|
}
|
|
|
|
clutter_actor_save_easing_state (actor);
|
|
clutter_actor_set_easing_mode (actor, CLUTTER_EASE_IN_EXPO);
|
|
clutter_actor_set_easing_duration (actor, 2000);
|
|
|
|
clutter_actor_set_position (actor, new_x, new_y);
|
|
clutter_actor_set_size (actor, new_width, new_height);
|
|
clutter_actor_set_background_color (actor, new_color);
|
|
clutter_actor_set_rotation_angle (actor, CLUTTER_Z_AXIS, new_angle);
|
|
clutter_actor_set_reactive (actor, FALSE);
|
|
|
|
/* animate the opacity halfway through, with a different pacing */
|
|
clutter_actor_save_easing_state (actor);
|
|
clutter_actor_set_easing_mode (actor, CLUTTER_LINEAR);
|
|
clutter_actor_set_easing_delay (actor, 1000);
|
|
clutter_actor_set_easing_duration (actor, 1000);
|
|
clutter_actor_set_opacity (actor, new_opacity);
|
|
clutter_actor_restore_easing_state (actor);
|
|
|
|
clutter_actor_restore_easing_state (actor);
|
|
}
|
|
|
|
G_MODULE_EXPORT int
|
|
test_animation_main (int argc, char *argv[])
|
|
{
|
|
ClutterActor *stage, *rect;
|
|
ClutterColor rect_color = { 0x44, 0xdd, 0x44, 0xff };
|
|
ClutterAction *action;
|
|
|
|
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
|
|
return 1;
|
|
|
|
stage = clutter_stage_new ();
|
|
clutter_actor_set_background_color (stage, CLUTTER_COLOR_LightSkyBlue);
|
|
clutter_stage_set_title (CLUTTER_STAGE (stage), "Animation");
|
|
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
|
|
|
|
rect = clutter_actor_new ();
|
|
clutter_actor_set_background_color (rect, CLUTTER_COLOR_LightOrange);
|
|
clutter_actor_add_child (stage, rect);
|
|
clutter_actor_set_size (rect, 50, 50);
|
|
clutter_actor_set_pivot_point (rect, .5f, .5f);
|
|
clutter_actor_set_translation (rect, -25, -25, 0);
|
|
clutter_actor_set_position (rect,
|
|
clutter_actor_get_width (stage) / 2,
|
|
clutter_actor_get_height (stage) / 2);
|
|
clutter_actor_set_opacity (rect, 128);
|
|
clutter_actor_set_reactive (rect, TRUE);
|
|
g_signal_connect (rect, "transitions-completed",
|
|
G_CALLBACK (on_rect_transitions_completed),
|
|
NULL);
|
|
|
|
action = clutter_click_action_new ();
|
|
g_signal_connect (action, "clicked", G_CALLBACK (on_clicked), NULL);
|
|
clutter_actor_add_action_with_name (rect, "click", action);
|
|
|
|
clutter_actor_show (stage);
|
|
|
|
clutter_main ();
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
G_MODULE_EXPORT const char *
|
|
test_animation_describe (void)
|
|
{
|
|
return "Simple animation demo";
|
|
}
|