d0f7debfba
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.
250 lines
8 KiB
C
250 lines
8 KiB
C
#include <stdlib.h>
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#include <gmodule.h>
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#include <clutter/clutter.h>
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const struct {
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const gchar *name;
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ClutterAnimationMode mode;
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} easing_modes[] = {
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{ "linear", CLUTTER_LINEAR },
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{ "easeInQuad", CLUTTER_EASE_IN_QUAD },
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{ "easeOutQuad", CLUTTER_EASE_OUT_QUAD },
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{ "easeInOutQuad", CLUTTER_EASE_IN_OUT_QUAD },
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{ "easeInCubic", CLUTTER_EASE_IN_CUBIC },
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{ "easeOutCubic", CLUTTER_EASE_OUT_CUBIC },
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{ "easeInOutCubic", CLUTTER_EASE_IN_OUT_CUBIC },
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{ "easeInQuart", CLUTTER_EASE_IN_QUART },
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{ "easeOutQuart", CLUTTER_EASE_OUT_QUART },
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{ "easeInOutQuart", CLUTTER_EASE_IN_OUT_QUART },
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{ "easeInQuint", CLUTTER_EASE_IN_QUINT },
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{ "easeOutQuint", CLUTTER_EASE_OUT_QUINT },
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{ "easeInOutQuint", CLUTTER_EASE_IN_OUT_QUINT },
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{ "easeInSine", CLUTTER_EASE_IN_SINE },
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{ "easeOutSine", CLUTTER_EASE_OUT_SINE },
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{ "easeInOutSine", CLUTTER_EASE_IN_OUT_SINE },
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{ "easeInExpo", CLUTTER_EASE_IN_EXPO },
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{ "easeOutExpo", CLUTTER_EASE_OUT_EXPO },
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{ "easeInOutExpo", CLUTTER_EASE_IN_OUT_EXPO },
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{ "easeInCirc", CLUTTER_EASE_IN_CIRC },
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{ "easeOutCirc", CLUTTER_EASE_OUT_CIRC },
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{ "easeInOutCirc", CLUTTER_EASE_IN_OUT_CIRC },
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{ "easeInElastic", CLUTTER_EASE_IN_ELASTIC },
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{ "easeOutElastic", CLUTTER_EASE_OUT_ELASTIC },
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{ "easeInOutElastic", CLUTTER_EASE_IN_OUT_ELASTIC },
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{ "easeInBack", CLUTTER_EASE_IN_BACK },
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{ "easeOutBack", CLUTTER_EASE_OUT_BACK },
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{ "easeInOutBack", CLUTTER_EASE_IN_OUT_BACK },
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{ "easeInBounce", CLUTTER_EASE_IN_BOUNCE },
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{ "easeOutBounce", CLUTTER_EASE_OUT_BOUNCE },
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{ "easeInOutBounce", CLUTTER_EASE_IN_OUT_BOUNCE },
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};
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static const gint n_easing_modes = G_N_ELEMENTS (easing_modes);
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static gint current_mode = 0;
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static gint duration = 1;
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static gboolean recenter = FALSE;
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static ClutterActor *main_stage = NULL;
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static ClutterActor *easing_mode_label = NULL;
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static ClutterAnimation *last_animation = NULL;
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static void
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on_animation_completed (ClutterAnimation *animation,
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ClutterActor *rectangle)
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{
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gfloat base_x, base_y;
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gint cur_mode;
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base_x = clutter_actor_get_width (main_stage) / 2;
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base_y = clutter_actor_get_height (main_stage) / 2;
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cur_mode = easing_modes[current_mode].mode;
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clutter_actor_animate (rectangle, cur_mode, 150,
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"x", base_x,
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"y", base_y,
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NULL);
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}
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static gboolean
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on_button_press (ClutterActor *actor,
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ClutterButtonEvent *event,
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ClutterActor *rectangle)
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{
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if (event->button == 3)
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{
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gchar *text;
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gfloat stage_width, stage_height;
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gfloat label_width, label_height;
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current_mode = (current_mode + 1 < n_easing_modes) ? current_mode + 1
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: 0;
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text = g_strdup_printf ("Easing mode: %s (%d of %d)\n"
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"Right click to change the easing mode",
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easing_modes[current_mode].name,
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current_mode + 1,
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n_easing_modes);
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clutter_text_set_text (CLUTTER_TEXT (easing_mode_label), text);
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g_free (text);
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clutter_actor_get_size (main_stage,
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&stage_width,
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&stage_height);
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clutter_actor_get_size (easing_mode_label,
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&label_width,
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&label_height);
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clutter_actor_set_position (easing_mode_label,
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stage_width - label_width - 10,
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stage_height - label_height - 10);
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}
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else if (event->button == 1)
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{
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ClutterAnimation *animation;
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ClutterAnimationMode cur_mode;
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cur_mode = easing_modes[current_mode].mode;
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animation =
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clutter_actor_animate (rectangle, cur_mode, duration * 1000,
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"x", event->x,
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"y", event->y,
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NULL);
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if (recenter && last_animation != animation)
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g_signal_connect_after (animation, "completed",
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G_CALLBACK (on_animation_completed),
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rectangle);
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last_animation = animation;
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}
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return TRUE;
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}
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static ClutterActor *
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make_bouncer (const ClutterColor *base_color,
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gfloat width,
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gfloat height)
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{
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ClutterActor *retval;
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cairo_t *cr;
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cairo_pattern_t *pattern;
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gfloat radius = MAX (width, height);
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retval = clutter_cairo_texture_new (width, height);
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cr = clutter_cairo_texture_create (CLUTTER_CAIRO_TEXTURE (retval));
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cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
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cairo_paint (cr);
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cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
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cairo_arc (cr, radius / 2, radius / 2, radius / 2, 0.0, 2.0 * G_PI);
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pattern = cairo_pattern_create_radial (radius / 2, radius / 2, 0,
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radius, radius, radius);
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cairo_pattern_add_color_stop_rgba (pattern,
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0,
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base_color->red / 255.0,
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base_color->green / 255.0,
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base_color->blue / 255.0,
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base_color->alpha / 255.0);
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cairo_pattern_add_color_stop_rgba (pattern,
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0.9,
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base_color->red / 255.0,
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base_color->green / 255.0,
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base_color->blue / 255.0,
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0.1);
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cairo_set_source (cr, pattern);
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cairo_fill_preserve (cr);
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cairo_pattern_destroy (pattern);
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cairo_destroy (cr);
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clutter_actor_set_name (retval, "bouncer");
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clutter_actor_set_size (retval, width, height);
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clutter_actor_set_anchor_point (retval, width / 2, height / 2);
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clutter_actor_set_reactive (retval, TRUE);
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return retval;
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}
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static GOptionEntry test_easing_entries[] = {
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{
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"re-center", 'r',
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0,
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G_OPTION_ARG_NONE, &recenter,
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"Re-center the actor when the animation ends",
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NULL
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},
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{
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"duration", 'd',
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0,
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G_OPTION_ARG_INT, &duration,
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"Duration of the animation",
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"SECONDS"
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},
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{ NULL }
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};
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G_MODULE_EXPORT int
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test_easing_main (int argc, char *argv[])
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{
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ClutterActor *stage, *rect, *label;
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ClutterColor stage_color = { 0x88, 0x88, 0xdd, 0xff };
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ClutterColor rect_color = { 0xee, 0x33, 0, 0xff };
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gchar *text;
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gfloat stage_width, stage_height;
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gfloat label_width, label_height;
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clutter_init_with_args (&argc, &argv,
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NULL,
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test_easing_entries,
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NULL,
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NULL);
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stage = clutter_stage_get_default ();
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clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
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main_stage = stage;
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clutter_actor_get_size (stage, &stage_width, &stage_height);
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rect = make_bouncer (&rect_color, 50, 50);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
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clutter_actor_set_position (rect, stage_width / 2, stage_height / 2);
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text = g_strdup_printf ("Easing mode: %s (%d of %d)\n"
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"Right click to change the easing mode",
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easing_modes[current_mode].name,
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current_mode + 1,
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n_easing_modes);
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label = clutter_text_new ();
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), label);
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clutter_text_set_font_name (CLUTTER_TEXT (label), "Sans 18px");
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clutter_text_set_text (CLUTTER_TEXT (label), text);
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clutter_actor_get_size (label, &label_width, &label_height);
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clutter_actor_set_position (label,
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stage_width - label_width - 10,
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stage_height - label_height - 10);
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easing_mode_label = label;
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g_free (text);
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g_signal_connect (stage,
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"button-press-event", G_CALLBACK (on_button_press),
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rect);
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clutter_actor_show (stage);
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clutter_main ();
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return EXIT_SUCCESS;
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}
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