1
0
Fork 0
mutter-performance-source/doc/cookbook/examples/actors-composite-main.c

81 lines
2.4 KiB
C
Raw Normal View History

#include <stdlib.h>
#include "cb-button.h"
/* colors */
static const ClutterColor stage_color = { 0x33, 0x33, 0x55, 0xff };
static const ClutterColor white_color = { 0xff, 0xff, 0xff, 0xff };
static const ClutterColor yellow_color = { 0x88, 0x88, 0x00, 0xff };
/* click handler */
static void
clicked (CbButton *button,
gpointer data)
{
const gchar *current_text;
g_debug ("Clicked");
current_text = cb_button_get_text (button);
if (g_strcmp0 (current_text, "hello") == 0)
cb_button_set_text (button, "world");
else
cb_button_set_text (button, "hello");
}
int
main (int argc,
char *argv[])
{
ClutterActor *stage;
ClutterActor *button;
ClutterConstraint *align_x_constraint;
ClutterConstraint *align_y_constraint;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_new ();
clutter_actor_set_size (stage, 400, 400);
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
button = cb_button_new ();
cb_button_set_text (CB_BUTTON (button), "hello");
/* the following is equivalent to the two lines above:
*
* button = g_object_new (CB_TYPE_BUTTON,
* "text", "winkle",
* NULL);
*
* because we defined a set_property function, which can accept
* a PROP_TEXT parameter, GObject can create a button and set one
* or more properties with a single call to g_object_new()
*/
/* note that the size of the button is left to Clutter's size requisition */
cb_button_set_text_color (CB_BUTTON (button), &white_color);
cb_button_set_background_color (CB_BUTTON (button), &yellow_color);
g_signal_connect (button, "clicked", G_CALLBACK (clicked), NULL);
align_x_constraint = clutter_align_constraint_new (stage,
CLUTTER_ALIGN_X_AXIS,
0.5);
align_y_constraint = clutter_align_constraint_new (stage,
CLUTTER_ALIGN_Y_AXIS,
0.5);
clutter_actor_add_constraint (button, align_x_constraint);
clutter_actor_add_constraint (button, align_y_constraint);
clutter_actor_add_child (stage, button);
clutter_actor_show (stage);
clutter_main ();
return EXIT_SUCCESS;
}