I am also having problems with actor signals. I get the button-press and
button-release signals, but not, for instance, the motion-event,
enter-event and leave-event signals.
I attached my simple test code. I don't see an obvious error.
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www.murrayc.com
www.openismus.com
/* Copyright 2007 Openismus GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <clutter/clutter.h>
#include <stdlib.h>
static void
on_stage_button_press (ClutterStage *stage, ClutterEvent *event, gpointer data)
{
gint x = 0;
gint y = 0;
clutter_event_get_coords (event, &x, &y);
g_print ("Clicked stage at (%d, %d)\n", x, y);
/* Discover whether there is an actor at that position.
* Note that you can also connect directly to the actor's signals instead.
*/
ClutterActor *rect = clutter_stage_get_actor_at_pos (stage, x, y);
if (!rect)
return;
if (CLUTTER_IS_RECTANGLE (rect))
g_print (" A rectangle is at that position.\n");
}
static void
on_rect_button_press (ClutterRectangle *rect, ClutterEvent *event, gpointer data)
{
gint x = 0;
gint y = 0;
clutter_event_get_coords (event, &x, &y);
g_print ("Clicked rectangle at (%d, %d)\n", x, y);
/* clutter_main_quit(); */
}
static void
on_rect_button_release (ClutterRectangle *rect, ClutterEvent *event, gpointer data)
{
gint x = 0;
gint y = 0;
clutter_event_get_coords (event, &x, &y);
g_print ("Click-release on rectangle at (%d, %d)\n", x, y);
}
static void
on_rect_motion (ClutterRectangle *rect, ClutterEvent *event, gpointer data)
{
g_print ("Motion in the rectangle.");
}
static void
on_rect_enter (ClutterRectangle *rect, ClutterEvent *event, gpointer data)
{
g_print ("Entered rectangle.");
}
static void
on_rect_leave (ClutterRectangle *rect, ClutterEvent *event, gpointer data)
{
g_print ("Left rectangle.");
}
int main(int argc, char *argv[])
{
ClutterColor stage_color = { 0x00, 0x00, 0x00, 0xff };
ClutterColor label_color = { 0xff, 0xff, 0xff, 0x99 };
clutter_init (&argc, &argv);
/* Get the stage and set its size and color: */
ClutterActor *stage = clutter_stage_get_default ();
clutter_actor_set_size (stage, 800, 600);
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
/* Connect signal handlers to handle mouse clicks and key presses on the stage: */
g_signal_connect (stage, "button-press-event",
G_CALLBACK (on_stage_button_press), NULL);
/* Add a Rectangle to the stage: */
ClutterActor *rect = clutter_rectangle_new_with_color (&label_color);
clutter_actor_set_size (rect, 100, 100);
clutter_actor_set_position (rect, 50, 50);
clutter_actor_show (rect);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
clutter_actor_set_reactive (rect);
g_signal_connect (rect, "button-press-event",
G_CALLBACK (on_rect_button_press), NULL);
g_signal_connect (rect, "button-release-event",
G_CALLBACK (on_rect_button_release), NULL);
g_signal_connect (rect, "motion-event",
G_CALLBACK (on_rect_motion), NULL);
g_signal_connect (rect, "enter-event",
G_CALLBACK (on_rect_enter), NULL);
g_signal_connect (rect, "leave-event",
G_CALLBACK (on_rect_leave), NULL);
/* Show the stage: */
clutter_actor_show (stage);
/* Start the main loop, so we can respond to events: */
clutter_main ();
return EXIT_SUCCESS;
}
