#include #include int test_grab_main (int argc, char *argv[]); const char * test_grab_describe (void); 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) { 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_TOUCH_BEGIN: g_print ("[%s] TOUCH BEGIN", source); break; case CLUTTER_TOUCH_UPDATE: g_print ("[%s] TOUCH UPDATE", source); break; case CLUTTER_TOUCH_END: g_print ("[%s] TOUCH END", source); break; case CLUTTER_TOUCH_CANCEL: g_print ("[%s] TOUCH CANCEL", source); break; case CLUTTER_TOUCHPAD_PINCH: g_print ("[%s] TOUCHPAD PINCH", source); break; case CLUTTER_TOUCHPAD_SWIPE: g_print ("[%s] TOUCHPAD SWIPE", source); break; case CLUTTER_PROXIMITY_IN: g_print ("[%s] PROXIMITY IN", source); break; case CLUTTER_PROXIMITY_OUT: g_print ("[%s] PROXIMITY OUT", source); break; case CLUTTER_PAD_BUTTON_PRESS: g_print ("[%s] PAD BUTTON PRESS", source); break; case CLUTTER_PAD_BUTTON_RELEASE: g_print ("[%s] PAD BUTTON RELEASE", source); break; case CLUTTER_PAD_STRIP: g_print ("[%s] PAD STRIP", source); break; case CLUTTER_PAD_RING: g_print ("[%s] PAD RING", source); break; case CLUTTER_NOTHING: default: return FALSE; } if (clutter_event_get_source (event) == actor) printf(" *source*"); printf("\n"); return FALSE; } static gboolean grab_pointer_cb (ClutterActor *actor, ClutterEvent *event, gpointer data) { ClutterInputDevice *device = clutter_event_get_device (event); clutter_input_device_grab (device, actor); return FALSE; } static gboolean red_release_cb (ClutterActor *actor, ClutterEvent *event, gpointer data) { ClutterInputDevice *device = clutter_event_get_device (event); clutter_input_device_ungrab (device); 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) { ClutterActor *stage; gboolean enabled; stage = clutter_actor_get_stage (actor); enabled = !clutter_stage_get_motion_events_enabled (CLUTTER_STAGE (stage)); clutter_stage_set_motion_events_enabled (CLUTTER_STAGE (stage), enabled); g_print ("per actor motion events are now %s\n", enabled ? "enabled" : "disabled"); return FALSE; } static gboolean toggle_grab_pointer_cb (ClutterActor *actor, ClutterEvent *event, gpointer data) { ClutterInputDevice *device = clutter_event_get_device (event); /* we only deal with the event if the source is ourself */ if (event->button.source == actor) { if (clutter_input_device_get_grabbed_actor (device) != NULL) clutter_input_device_ungrab (device); else clutter_input_device_grab (device, actor); } return FALSE; } static gboolean cyan_press_cb (ClutterActor *actor, ClutterEvent *event, gpointer data) { ClutterDeviceManager *dm = clutter_device_manager_get_default (); ClutterInputDevice *device = clutter_device_manager_get_core_device (dm, CLUTTER_KEYBOARD_DEVICE); if (clutter_input_device_get_grabbed_actor (device) != NULL) clutter_input_device_ungrab (device); else clutter_input_device_grab (device, actor); return FALSE; } G_MODULE_EXPORT int test_grab_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 }; if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS) return 1; 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_new (); clutter_stage_set_title (CLUTTER_STAGE (stage), "Grabs"); g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL); g_signal_connect (stage, "event", G_CALLBACK (debug_event_cb), (char *) "stage"); g_signal_connect (stage, "activate", G_CALLBACK (stage_state_cb), (char *) "activate"); g_signal_connect (stage, "deactivate", G_CALLBACK (stage_state_cb), (char *) "deactivate"); actor = clutter_rectangle_new_with_color (&rcol); clutter_actor_set_size (actor, 100, 100); clutter_actor_set_position (actor, 100, 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), (char *) "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); clutter_actor_set_reactive (actor, TRUE); clutter_container_add (CLUTTER_CONTAINER (stage), actor, NULL); g_signal_connect (actor, "event", G_CALLBACK (debug_event_cb), (char *) "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); clutter_actor_set_reactive (actor, TRUE); clutter_container_add (CLUTTER_CONTAINER (stage), actor, NULL); g_signal_connect (actor, "event", G_CALLBACK (debug_event_cb), (char *) "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); clutter_actor_set_reactive (actor, TRUE); clutter_container_add (CLUTTER_CONTAINER (stage), actor, NULL); g_signal_connect (actor, "event", G_CALLBACK (debug_event_cb), (char *) "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), (char *) "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; } G_MODULE_EXPORT const char * test_grab_describe (void) { return "Examples of using actor grabs"; }