Beispiel #1
0
static gboolean
clutter_stage_gdk_realize (ClutterStageWindow *stage_window)
{
  ClutterStageGdk *stage_gdk = CLUTTER_STAGE_GDK (stage_window);
  ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_window);
  ClutterBackend *backend = CLUTTER_BACKEND (stage_cogl->backend);
  ClutterBackendGdk *backend_gdk = CLUTTER_BACKEND_GDK (backend);
  GdkWindowAttr attributes;
  gboolean cursor_visible;
  gboolean use_alpha;
  gfloat   width, height;

  if (stage_gdk->foreign_window)
    {
      width = gdk_window_get_width (stage_gdk->window);
      height = gdk_window_get_height (stage_gdk->window);
    }
  else
    {
      if (stage_gdk->window != NULL)
        {
          /* complete realizing the stage */
          cairo_rectangle_int_t geometry;

          clutter_stage_gdk_get_geometry (stage_window, &geometry);
          clutter_actor_set_size (CLUTTER_ACTOR (stage_cogl->wrapper),
                                  geometry.width,
                                  geometry.height);

          gdk_window_ensure_native (stage_gdk->window);
          gdk_window_set_events (stage_gdk->window, CLUTTER_STAGE_GDK_EVENT_MASK);

          return TRUE;
        }
      else
        {
          attributes.title = NULL;
          g_object_get (stage_cogl->wrapper,
                        "cursor-visible", &cursor_visible,
                        "title", &attributes.title,
                        "width", &width,
                        "height", &height,
                        "use-alpha", &use_alpha,
                        NULL);

          attributes.width = width;
          attributes.height = height;
          attributes.wclass = GDK_INPUT_OUTPUT;
          attributes.window_type = GDK_WINDOW_TOPLEVEL;
          attributes.event_mask = CLUTTER_STAGE_GDK_EVENT_MASK;

          attributes.cursor = NULL;
          if (!cursor_visible)
            {
              if (stage_gdk->blank_cursor == NULL)
                stage_gdk->blank_cursor = gdk_cursor_new_for_display (backend_gdk->display, GDK_BLANK_CURSOR);

              attributes.cursor = stage_gdk->blank_cursor;
            }

          attributes.visual = NULL;
          if (use_alpha)
            {
              attributes.visual = gdk_screen_get_rgba_visual (backend_gdk->screen);

              if (attributes.visual == NULL)
                clutter_stage_set_use_alpha (stage_cogl->wrapper, FALSE);
            }

          if (attributes.visual == NULL)
            {
             /* This could still be an RGBA visual, although normally it's not */
             attributes.visual = gdk_screen_get_system_visual (backend_gdk->screen);
            }

          stage_gdk->foreign_window = FALSE;
          stage_gdk->window = gdk_window_new (NULL, &attributes,
                                              GDK_WA_TITLE | GDK_WA_CURSOR | GDK_WA_VISUAL);

          g_free (attributes.title);
        }

      clutter_stage_gdk_set_gdk_geometry (stage_gdk);
    }

  gdk_window_ensure_native (stage_gdk->window);

  g_object_set_data (G_OBJECT (stage_gdk->window),
                     "clutter-stage-window", stage_gdk);

  stage_cogl->onscreen = cogl_onscreen_new (backend->cogl_context,
					    width, height);

#if defined(GDK_WINDOWING_X11) && defined(COGL_HAS_XLIB_SUPPORT)
  if (GDK_IS_X11_WINDOW (stage_gdk->window))
    {
      cogl_x11_onscreen_set_foreign_window_xid (stage_cogl->onscreen,
                                                GDK_WINDOW_XID (stage_gdk->window),
                                                clutter_stage_gdk_update_foreign_event_mask,
                                                stage_gdk);
    }
  else
#endif
#if defined(GDK_WINDOWING_WAYLAND) && defined(COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT)
  if (GDK_IS_WAYLAND_WINDOW (stage_gdk->window))
    {
      cogl_wayland_onscreen_set_foreign_surface (stage_cogl->onscreen,
                                                 gdk_wayland_window_get_wl_surface (stage_gdk->window));
    }
  else
#endif
#if defined(GDK_WINDOWING_WIN32) && defined(COGL_HAS_WIN32_SUPPORT)
  if (GDK_IS_WIN32_WINDOW (stage_gdk->window))
    {
      cogl_win32_onscreen_set_foreign_window (stage_cogl->onscreen,
					      gdk_win32_window_get_handle (stage_gdk->window));
    }
  else
#endif
    {
      g_warning ("Cannot find an appropriate CoglWinsys for a "
		 "GdkWindow of type %s", G_OBJECT_TYPE_NAME (stage_gdk->window));

      cogl_object_unref (stage_cogl->onscreen);
      stage_cogl->onscreen = NULL;

      if (!stage_gdk->foreign_window)
        gdk_window_destroy (stage_gdk->window);

      stage_gdk->window = NULL;

      return FALSE;
    }

  return clutter_stage_window_parent_iface->realize (stage_window);
}
static void wayland_set_window(CoglOnscreen* onscreen, GdkWindow *window)
{
    cogl_wayland_onscreen_set_foreign_surface(onscreen,
                                              gdk_wayland_window_get_wl_surface(GDK_WAYLAND_WINDOW(window)));

}