mutter/tests/interactive/test-easing.c
Emmanuele Bassi d0f7debfba test-easing: Do not reconnect signals multiple times
The test should keep track of the last animation and avoid reconnecting
signals to the same instance in case the -r argument has been passed.
2010-01-22 21:44:28 +00:00

251 lines
8.0 KiB
C

#include <stdlib.h>
#include <gmodule.h>
#include <clutter/clutter.h>
const struct {
const gchar *name;
ClutterAnimationMode mode;
} easing_modes[] = {
{ "linear", CLUTTER_LINEAR },
{ "easeInQuad", CLUTTER_EASE_IN_QUAD },
{ "easeOutQuad", CLUTTER_EASE_OUT_QUAD },
{ "easeInOutQuad", CLUTTER_EASE_IN_OUT_QUAD },
{ "easeInCubic", CLUTTER_EASE_IN_CUBIC },
{ "easeOutCubic", CLUTTER_EASE_OUT_CUBIC },
{ "easeInOutCubic", CLUTTER_EASE_IN_OUT_CUBIC },
{ "easeInQuart", CLUTTER_EASE_IN_QUART },
{ "easeOutQuart", CLUTTER_EASE_OUT_QUART },
{ "easeInOutQuart", CLUTTER_EASE_IN_OUT_QUART },
{ "easeInQuint", CLUTTER_EASE_IN_QUINT },
{ "easeOutQuint", CLUTTER_EASE_OUT_QUINT },
{ "easeInOutQuint", CLUTTER_EASE_IN_OUT_QUINT },
{ "easeInSine", CLUTTER_EASE_IN_SINE },
{ "easeOutSine", CLUTTER_EASE_OUT_SINE },
{ "easeInOutSine", CLUTTER_EASE_IN_OUT_SINE },
{ "easeInExpo", CLUTTER_EASE_IN_EXPO },
{ "easeOutExpo", CLUTTER_EASE_OUT_EXPO },
{ "easeInOutExpo", CLUTTER_EASE_IN_OUT_EXPO },
{ "easeInCirc", CLUTTER_EASE_IN_CIRC },
{ "easeOutCirc", CLUTTER_EASE_OUT_CIRC },
{ "easeInOutCirc", CLUTTER_EASE_IN_OUT_CIRC },
{ "easeInElastic", CLUTTER_EASE_IN_ELASTIC },
{ "easeOutElastic", CLUTTER_EASE_OUT_ELASTIC },
{ "easeInOutElastic", CLUTTER_EASE_IN_OUT_ELASTIC },
{ "easeInBack", CLUTTER_EASE_IN_BACK },
{ "easeOutBack", CLUTTER_EASE_OUT_BACK },
{ "easeInOutBack", CLUTTER_EASE_IN_OUT_BACK },
{ "easeInBounce", CLUTTER_EASE_IN_BOUNCE },
{ "easeOutBounce", CLUTTER_EASE_OUT_BOUNCE },
{ "easeInOutBounce", CLUTTER_EASE_IN_OUT_BOUNCE },
};
static const gint n_easing_modes = G_N_ELEMENTS (easing_modes);
static gint current_mode = 0;
static gint duration = 1;
static gboolean recenter = FALSE;
static ClutterActor *main_stage = NULL;
static ClutterActor *easing_mode_label = NULL;
static ClutterAnimation *last_animation = NULL;
static void
on_animation_completed (ClutterAnimation *animation,
ClutterActor *rectangle)
{
gfloat base_x, base_y;
gint cur_mode;
base_x = clutter_actor_get_width (main_stage) / 2;
base_y = clutter_actor_get_height (main_stage) / 2;
cur_mode = easing_modes[current_mode].mode;
clutter_actor_animate (rectangle, cur_mode, 150,
"x", base_x,
"y", base_y,
NULL);
}
static gboolean
on_button_press (ClutterActor *actor,
ClutterButtonEvent *event,
ClutterActor *rectangle)
{
if (event->button == 3)
{
gchar *text;
gfloat stage_width, stage_height;
gfloat label_width, label_height;
current_mode = (current_mode + 1 < n_easing_modes) ? current_mode + 1
: 0;
text = g_strdup_printf ("Easing mode: %s (%d of %d)\n"
"Right click to change the easing mode",
easing_modes[current_mode].name,
current_mode + 1,
n_easing_modes);
clutter_text_set_text (CLUTTER_TEXT (easing_mode_label), text);
g_free (text);
clutter_actor_get_size (main_stage,
&stage_width,
&stage_height);
clutter_actor_get_size (easing_mode_label,
&label_width,
&label_height);
clutter_actor_set_position (easing_mode_label,
stage_width - label_width - 10,
stage_height - label_height - 10);
}
else if (event->button == 1)
{
ClutterAnimation *animation;
ClutterAnimationMode cur_mode;
cur_mode = easing_modes[current_mode].mode;
animation =
clutter_actor_animate (rectangle, cur_mode, duration * 1000,
"x", event->x,
"y", event->y,
NULL);
if (recenter && last_animation != animation)
g_signal_connect_after (animation, "completed",
G_CALLBACK (on_animation_completed),
rectangle);
last_animation = animation;
}
return TRUE;
}
static ClutterActor *
make_bouncer (const ClutterColor *base_color,
gfloat width,
gfloat height)
{
ClutterActor *retval;
cairo_t *cr;
cairo_pattern_t *pattern;
gfloat radius = MAX (width, height);
retval = clutter_cairo_texture_new (width, height);
cr = clutter_cairo_texture_create (CLUTTER_CAIRO_TEXTURE (retval));
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
cairo_arc (cr, radius / 2, radius / 2, radius / 2, 0.0, 2.0 * G_PI);
pattern = cairo_pattern_create_radial (radius / 2, radius / 2, 0,
radius, radius, radius);
cairo_pattern_add_color_stop_rgba (pattern,
0,
base_color->red / 255.0,
base_color->green / 255.0,
base_color->blue / 255.0,
base_color->alpha / 255.0);
cairo_pattern_add_color_stop_rgba (pattern,
0.9,
base_color->red / 255.0,
base_color->green / 255.0,
base_color->blue / 255.0,
0.1);
cairo_set_source (cr, pattern);
cairo_fill_preserve (cr);
cairo_pattern_destroy (pattern);
cairo_destroy (cr);
clutter_actor_set_name (retval, "bouncer");
clutter_actor_set_size (retval, width, height);
clutter_actor_set_anchor_point (retval, width / 2, height / 2);
clutter_actor_set_reactive (retval, TRUE);
return retval;
}
static GOptionEntry test_easing_entries[] = {
{
"re-center", 'r',
0,
G_OPTION_ARG_NONE, &recenter,
"Re-center the actor when the animation ends",
NULL
},
{
"duration", 'd',
0,
G_OPTION_ARG_INT, &duration,
"Duration of the animation",
"SECONDS"
},
{ NULL }
};
G_MODULE_EXPORT int
test_easing_main (int argc, char *argv[])
{
ClutterActor *stage, *rect, *label;
ClutterColor stage_color = { 0x88, 0x88, 0xdd, 0xff };
ClutterColor rect_color = { 0xee, 0x33, 0, 0xff };
gchar *text;
gfloat stage_width, stage_height;
gfloat label_width, label_height;
clutter_init_with_args (&argc, &argv,
NULL,
test_easing_entries,
NULL,
NULL);
stage = clutter_stage_get_default ();
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
main_stage = stage;
clutter_actor_get_size (stage, &stage_width, &stage_height);
rect = make_bouncer (&rect_color, 50, 50);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
clutter_actor_set_position (rect, stage_width / 2, stage_height / 2);
text = g_strdup_printf ("Easing mode: %s (%d of %d)\n"
"Right click to change the easing mode",
easing_modes[current_mode].name,
current_mode + 1,
n_easing_modes);
label = clutter_text_new ();
clutter_container_add_actor (CLUTTER_CONTAINER (stage), label);
clutter_text_set_font_name (CLUTTER_TEXT (label), "Sans 18px");
clutter_text_set_text (CLUTTER_TEXT (label), text);
clutter_actor_get_size (label, &label_width, &label_height);
clutter_actor_set_position (label,
stage_width - label_width - 10,
stage_height - label_height - 10);
easing_mode_label = label;
g_free (text);
g_signal_connect (stage,
"button-press-event", G_CALLBACK (on_button_press),
rect);
clutter_actor_show (stage);
clutter_main ();
return EXIT_SUCCESS;
}