isa/mutter
1
0
Fork 0
mirror of https://github.com/brl/mutter.git synced 2024-12-24 12:02:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

cookbook: Example of animated movement with ClutterState

Browse Source 
Added an example showing how to move two actors between
two states (one minimised, one maximised) using ClutterState
to do the movement. Also shows how movement can be mixed
with other animation (in this case, scaling).
This commit is contained in:
Elliot Smith 2010-09-21 17:45:03 +01:00
parent 5bca30300e
commit f1b2f1e8c5
2 changed files with 100 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
doc/cookbook/examples/Makefile.am
View File

@ -5,6 +5,7 @@ NULL =
noinst_PROGRAMS = \
animations-complex \
animations-moving-implicit \
animations-moving-state \
animations-reuse \
animations-rotating \
text-shadow \
@ -51,6 +52,7 @@ AM_LDFLAGS = $(CLUTTER_LIBS) -export-dynamic
animations_complex_SOURCES = animations-complex.c
animations_moving_implicit_SOURCES = animations-moving-implicit.c
animations_moving_state_SOURCES = animations-moving-state.c
animations_reuse_SOURCES = animations-reuse.c
animations_rotating_SOURCES = animations-rotating.c
text_shadow_SOURCES = text-shadow.c

98
doc/cookbook/examples/animations-moving-state.c Normal file
View File

@ -0,0 +1,98 @@
#include <stdlib.h>
#include <clutter/clutter.h>
static const ClutterColor stage_color = { 0x33, 0x33, 0x55, 0xff };
static const ClutterColor red_color = { 0xff, 0x00, 0x00, 0xff };
static const ClutterColor green_color = { 0x00, 0xff, 0x00, 0xff };
static gboolean
button_pressed_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer user_data)
{
ClutterState *transitions = CLUTTER_STATE (user_data);
/* set the state to the one with a name matching the actor's name */
clutter_state_set_state (transitions, clutter_actor_get_name (actor));
return TRUE;
}
int
main (int argc,
char *argv[])
{
ClutterActor *stage;
ClutterActor *red;
ClutterActor *green;
ClutterState *transitions;
clutter_init (&argc, &argv);
stage = clutter_stage_get_default ();
clutter_actor_set_size (stage, 650, 500);
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
/* actor names choose the next ClutterState to transition to */
red = clutter_rectangle_new_with_color (&red_color);
clutter_actor_set_reactive (red, TRUE);
clutter_actor_set_name (red, "red");
clutter_actor_set_size (red, 100, 100);
clutter_actor_set_position (red, 50, 50);
green = clutter_rectangle_new_with_color (&green_color);
clutter_actor_set_reactive (green, TRUE);
clutter_actor_set_name (green, "green");
clutter_actor_set_size (green, 100, 100);
clutter_actor_set_position (green, 50, 350);
transitions = clutter_state_new ();
clutter_state_set_duration (transitions, NULL, NULL, 250);
/* state names match actor names */
clutter_state_set (transitions, NULL, "red",
red, "x", CLUTTER_EASE_OUT_CUBIC, 200.0,
red, "y", CLUTTER_EASE_OUT_CUBIC, 50.0,
red, "scale-x", CLUTTER_EASE_OUT_CUBIC, 4.0,
red, "scale-y", CLUTTER_EASE_OUT_CUBIC, 4.0,
green, "x", CLUTTER_EASE_OUT_CUBIC, 50.0,
green, "y", CLUTTER_EASE_OUT_CUBIC, 350.0,
green, "scale-x", CLUTTER_EASE_OUT_CUBIC, 1.0,
green, "scale-y", CLUTTER_EASE_OUT_CUBIC, 1.0,
NULL);
clutter_state_set (transitions, NULL, "green",
green, "x", CLUTTER_EASE_OUT_CUBIC, 200.0,
green, "y", CLUTTER_EASE_OUT_CUBIC, 50.0,
green, "scale-x", CLUTTER_EASE_OUT_CUBIC, 4.0,
green, "scale-y", CLUTTER_EASE_OUT_CUBIC, 4.0,
red, "x", CLUTTER_EASE_OUT_CUBIC, 50.0,
red, "y", CLUTTER_EASE_OUT_CUBIC, 50.0,
red, "scale-x", CLUTTER_EASE_OUT_CUBIC, 1.0,
red, "scale-y", CLUTTER_EASE_OUT_CUBIC, 1.0,
NULL);
g_signal_connect (red,
"button-press-event",
G_CALLBACK (button_pressed_cb),
transitions);
g_signal_connect (green,
"button-press-event",
G_CALLBACK (button_pressed_cb),
transitions);
clutter_container_add (CLUTTER_CONTAINER (stage),
red,
green,
NULL);
clutter_actor_show (stage);
clutter_main ();
g_object_unref (transitions);
return EXIT_SUCCESS;
}