mutter/tests/test-grab.c

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#include <clutter/clutter.h>
static void
stage_state_cb (ClutterStage *stage,
gpointer data)
{
gchar *detail = (gchar*)data;
printf("[stage signal] %s\n", detail);
}
static gboolean
debug_event_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer data)
{
ClutterStage *stage = CLUTTER_STAGE (clutter_stage_get_default ());
gchar keybuf[9], *source = (gchar*)data;
int len = 0;
switch (event->type)
{
case CLUTTER_KEY_PRESS:
len = g_unichar_to_utf8 (clutter_keysym_to_unicode (event->key.keyval),
keybuf);
keybuf[len] = '\0';
printf ("[%s] KEY PRESS '%s'", source, keybuf);
break;
case CLUTTER_KEY_RELEASE:
len = g_unichar_to_utf8 (clutter_keysym_to_unicode (event->key.keyval),
keybuf);
keybuf[len] = '\0';
printf ("[%s] KEY RELEASE '%s'", source, keybuf);
break;
case CLUTTER_MOTION:
printf("[%s] MOTION", source);
break;
case CLUTTER_ENTER:
printf("[%s] ENTER", source);
break;
case CLUTTER_LEAVE:
printf("[%s] LEAVE", source);
break;
case CLUTTER_BUTTON_PRESS:
printf("[%s] BUTTON PRESS (click count:%i)",
source, event->button.click_count);
break;
case CLUTTER_BUTTON_RELEASE:
printf("[%s] BUTTON RELEASE", source);
break;
case CLUTTER_SCROLL:
printf("[%s] BUTTON SCROLL", source);
break;
case CLUTTER_STAGE_STATE:
printf("[%s] STAGE STATE", source);
break;
case CLUTTER_DESTROY_NOTIFY:
printf("[%s] DESTROY NOTIFY", source);
break;
case CLUTTER_CLIENT_MESSAGE:
printf("[%s] CLIENT MESSAGE\n", source);
break;
case CLUTTER_DELETE:
printf("[%s] DELETE", source);
break;
case CLUTTER_NOTHING:
return;
}
if (clutter_event_get_source (event) == actor)
printf(" *source*");
printf("\n");
return FALSE;
}
static gboolean
grab_pointer_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer data)
{
clutter_grab_pointer (actor);
return FALSE;
}
static gboolean
red_release_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer data)
{
clutter_ungrab_pointer ();
return FALSE;
}
static gboolean
blue_release_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer data)
{
clutter_actor_destroy (actor);
return FALSE;
}
static gboolean
green_press_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer data)
{
clutter_set_motion_events_enabled (!clutter_get_motion_events_enabled ());
g_print ("per actor motion events are now %s\n",
clutter_get_motion_events_enabled () ? "enabled" : "disabled");
return FALSE;
}
static gboolean
toggle_grab_pointer_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer data)
{
/* we only deal with the event if the source is ourself */
if (event->button.source == actor)
{
if (clutter_get_pointer_grab () != NULL)
clutter_ungrab_pointer ();
else
clutter_grab_pointer (actor);
}
return FALSE;
}
static gboolean
cyan_press_cb (ClutterActor *actor,
ClutterEvent *event,
gpointer data)
{
if (clutter_get_keyboard_grab () != NULL)
clutter_ungrab_keyboard ();
else
clutter_grab_keyboard (actor);
return FALSE;
}
int
main (int argc, char *argv[])
{
ClutterActor *stage, *actor;
ClutterColor rcol = { 0xff, 0, 0, 0xff},
bcol = { 0, 0, 0xff, 0xff },
gcol = { 0, 0xff, 0, 0xff },
ccol = { 0, 0xff, 0xff, 0xff },
ycol = { 0xff, 0xff, 0, 0xff },
ncol = { 0, 0, 0, 0xff };
clutter_init (&argc, &argv);
g_print ("Red box: aquire grab on press, releases it on next button release\n");
g_print ("Blue box: aquire grab on press, destroys the blue box actor on release\n");
g_print ("Yellow box: aquire grab on press, releases grab on next press on yellow box\n");
g_print ("Green box: toggle per actor motion events.\n\n");
g_print ("Cyan box: toggle grab (from cyan box) for keyboard events.\n\n");
stage = clutter_stage_get_default ();
g_signal_connect (stage, "event", G_CALLBACK (debug_event_cb), "stage");
g_signal_connect (stage, "fullscreen",
G_CALLBACK (stage_state_cb), "fullscreen");
g_signal_connect (stage, "unfullscreen",
G_CALLBACK (stage_state_cb), "unfullscreen");
g_signal_connect (stage, "activate",
G_CALLBACK (stage_state_cb), "activate");
g_signal_connect (stage, "deactivate",
G_CALLBACK (stage_state_cb), "deactivate");
actor = clutter_rectangle_new_with_color (&rcol);
clutter_actor_set_size (actor, 100, 100);
clutter_actor_set_position (actor, 100, 100);
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clutter_actor_set_reactive (actor, TRUE);
clutter_container_add (CLUTTER_CONTAINER (stage), actor, NULL);
g_signal_connect (actor, "event", G_CALLBACK (debug_event_cb), "red box");
g_signal_connect (actor, "button-press-event",
G_CALLBACK (grab_pointer_cb), NULL);
g_signal_connect (actor, "button-release-event",
G_CALLBACK (red_release_cb), NULL);
actor = clutter_rectangle_new_with_color (&ycol);
clutter_actor_set_size (actor, 100, 100);
clutter_actor_set_position (actor, 100, 300);
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clutter_actor_set_reactive (actor, TRUE);
clutter_container_add (CLUTTER_CONTAINER (stage), actor, NULL);
g_signal_connect (actor, "event", G_CALLBACK (debug_event_cb), "yellow box");
g_signal_connect (actor, "button-press-event",
G_CALLBACK (toggle_grab_pointer_cb), NULL);
actor = clutter_rectangle_new_with_color (&bcol);
clutter_actor_set_size (actor, 100, 100);
clutter_actor_set_position (actor, 300, 100);
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clutter_actor_set_reactive (actor, TRUE);
clutter_container_add (CLUTTER_CONTAINER (stage), actor, NULL);
g_signal_connect (actor, "event",
G_CALLBACK (debug_event_cb), "blue box");
g_signal_connect (actor, "button-press-event",
G_CALLBACK (grab_pointer_cb), NULL);
g_signal_connect (actor, "button-release-event",
G_CALLBACK (blue_release_cb), NULL);
actor = clutter_rectangle_new_with_color (&gcol);
clutter_actor_set_size (actor, 100, 100);
clutter_actor_set_position (actor, 300, 300);
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clutter_actor_set_reactive (actor, TRUE);
clutter_container_add (CLUTTER_CONTAINER (stage), actor, NULL);
g_signal_connect (actor, "event",
G_CALLBACK (debug_event_cb), "green box");
g_signal_connect (actor, "button-press-event",
G_CALLBACK (green_press_cb), NULL);
actor = clutter_rectangle_new_with_color (&ccol);
clutter_actor_set_size (actor, 100, 100);
clutter_actor_set_position (actor, 500, 100);
clutter_actor_set_reactive (actor, TRUE);
clutter_container_add (CLUTTER_CONTAINER (stage), actor, NULL);
g_signal_connect (actor, "event",
G_CALLBACK (debug_event_cb), "cyan box");
g_signal_connect (actor, "button-press-event",
G_CALLBACK (cyan_press_cb), NULL);
clutter_actor_show_all (CLUTTER_ACTOR (stage));
clutter_main();
return 0;
}