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[sdl] Update the SDL backend to the new StageWindow API

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The SDL backend remains experimental and not meant for public
consumption, but at least it compiles and runs successfully.
This commit is contained in:
Emmanuele Bassi 2009-10-05 15:51:28 +01:00
parent 3fee43560d
commit f7c0264245
2 changed files with 65 additions and 89 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
clutter/sdl/clutter-backend-sdl.c
View File

@ -73,19 +73,19 @@ clutter_backend_sdl_redraw (ClutterBackend *backend,
SDL_GL_SwapBuffers();
}
static ClutterActor *
static ClutterStageWindow *
clutter_backend_sdl_create_stage (ClutterBackend *backend,
ClutterStage *wrapper,
GError **error)
{
ClutterBackendSDL *backend_sdl = CLUTTER_BACKEND_SDL (backend);
ClutterStageSDL *stage_sdl;
ClutterActor *stage;
ClutterStageWindow *stage;
if (backend_sdl->stage)
{
g_warning ("The SDL backend does not support multiple stages");
return CLUTTER_ACTOR (backend_sdl->stage);
return CLUTTER_STAGE_WINDOW (backend_sdl->stage);
}
stage = g_object_new (CLUTTER_TYPE_STAGE_SDL, NULL);
@ -125,7 +125,7 @@ clutter_backend_sdl_dispose (GObject *gobject)
if (backend_sdl->stage)
{
clutter_actor_destroy (CLUTTER_ACTOR (backend_sdl->stage));
g_object_unref (backend_sdl->stage);
backend_sdl->stage = NULL;
}

146
clutter/sdl/clutter-stage-sdl.c
View File

@ -22,41 +22,38 @@ static void clutter_stage_window_iface_init (ClutterStageWindowIface *iface);
G_DEFINE_TYPE_WITH_CODE (ClutterStageSDL,
clutter_stage_sdl,
CLUTTER_TYPE_ACTOR,
G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_STAGE_WINDOW,
clutter_stage_window_iface_init));
static void
clutter_stage_sdl_show (ClutterActor *actor)
static ClutterActor *
clutter_stage_sdl_get_wrapper (ClutterStageWindow *stage_window)
{
CLUTTER_ACTOR_SET_FLAGS (actor, CLUTTER_ACTOR_MAPPED);
CLUTTER_ACTOR_SET_FLAGS (CLUTTER_STAGE_SDL (actor)->wrapper,
CLUTTER_ACTOR_MAPPED);
CLUTTER_ACTOR_CLASS (clutter_stage_sdl_parent_class)->show (actor);
return CLUTTER_ACTOR (CLUTTER_STAGE_SDL (stage_window)->wrapper);
}
static void
clutter_stage_sdl_hide (ClutterActor *actor)
clutter_stage_sdl_show (ClutterStageWindow *stage_window,
gboolean do_raise G_GNUC_UNUSED)
{
/* No way to easily unmap SDL window ? */
CLUTTER_ACTOR_UNSET_FLAGS (actor, CLUTTER_ACTOR_MAPPED);
CLUTTER_ACTOR_UNSET_FLAGS (CLUTTER_STAGE_SDL (actor)->wrapper,
CLUTTER_ACTOR_MAPPED);
CLUTTER_ACTOR_CLASS (clutter_stage_sdl_parent_class)->hide (actor);
clutter_actor_map (clutter_stage_sdl_get_wrapper (stage_window));
}
static void
clutter_stage_sdl_unrealize (ClutterActor *actor)
clutter_stage_sdl_hide (ClutterStageWindow *stage_window)
{
;
clutter_actor_unmap (clutter_stage_sdl_get_wrapper (stage_window));
}
static void
clutter_stage_sdl_realize (ClutterActor *actor)
clutter_stage_sdl_unrealize (ClutterStageWindow *stage_window)
{
ClutterStageSDL *stage_sdl = CLUTTER_STAGE_SDL (actor);
}
static gboolean
clutter_stage_sdl_realize (ClutterStageWindow *stage_window)
{
ClutterStageSDL *stage_sdl = CLUTTER_STAGE_SDL (stage_window);
gboolean is_offscreen, is_fullscreen;
CLUTTER_NOTE (BACKEND, "Realizing main stage");
@ -86,8 +83,7 @@ clutter_stage_sdl_realize (ClutterActor *actor)
CLUTTER_NOTE (BACKEND, "SDL appears not to handle this mode - %s",
SDL_GetError ());
CLUTTER_ACTOR_UNSET_FLAGS (actor, CLUTTER_ACTOR_REALIZED);
return;
return FALSE;
}
}
else
@ -95,72 +91,56 @@ clutter_stage_sdl_realize (ClutterActor *actor)
/* FIXME */
g_critical ("SDL Backend does not yet support offscreen rendering");
CLUTTER_ACTOR_UNSET_FLAGS (actor, CLUTTER_ACTOR_REALIZED);
return FALSE;
}
return TRUE;
}
static void
clutter_stage_sdl_get_geometry (ClutterStageWindow *stage_window,
ClutterGeometry *geometry)
{
ClutterStageSDL *stage_sdl = CLUTTER_STAGE_SDL (stage_window);
gboolean is_fullscreen = FALSE;
is_fullscreen = clutter_stage_get_fullscreen (stage_sdl->wrapper);
if (is_fullscreen)
{
const SDL_VideoInfo *v_info;
v_info = SDL_GetVideoInfo ();
geometry->width = v_info->current_w;
geometry->height = v_info->current_h;
}
else
{
geometry->width = stage_sdl->win_width;
geometry->height = stage_sdl->win_height;
}
}
static void
clutter_stage_sdl_get_preferred_width (ClutterActor *self,
gfloat for_height,
gfloat *min_width_p,
gfloat *natural_width_p)
clutter_stage_sdl_resize (ClutterStageWindow *stage_window,
gint width,
gint height)
{
ClutterStageSDL *stage_sdl = CLUTTER_STAGE_SDL (self);
ClutterStageSDL *stage_sdl = CLUTTER_STAGE_SDL (stage_window);
if (min_width_p)
*min_width_p = CLUTTER_UNITS_FROM_DEVICE (stage_sdl->win_width);
if (natural_width_p)
*natural_width_p = CLUTTER_UNITS_FROM_DEVICE (stage_sdl->win_width);
}
static void
clutter_stage_sdl_get_preferred_height (ClutterActor *self,
gfloat for_width,
gfloat *min_height_p,
gfloat *natural_height_p)
{
ClutterStageSDL *stage_sdl = CLUTTER_STAGE_SDL (self);
if (min_height_p)
*min_height_p = CLUTTER_UNITS_FROM_DEVICE (stage_sdl->win_height);
if (natural_height_p)
*natural_height_p = CLUTTER_UNITS_FROM_DEVICE (stage_sdl->win_height);
}
static void
clutter_stage_sdl_allocate (ClutterActor *self,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
ClutterStageSDL *stage_sdl = CLUTTER_STAGE_SDL (self);
gint new_width, new_height;
ClutterActorClass *parent_class;
/* FIXME: some how have X configure_notfiy call this ? */
new_width = ABS (CLUTTER_UNITS_TO_INT (box->x2 - box->x1));
new_height = ABS (CLUTTER_UNITS_TO_INT (box->y2 - box->y1));
if (new_width != stage_sdl->win_width ||
new_height != stage_sdl->win_height)
if (width != stage_sdl->win_width ||
height != stage_sdl->win_height)
{
if (SDL_SetVideoMode(new_width,
new_height,
0, SDL_OPENGL) == NULL)
if (SDL_SetVideoMode (width, height, 0, SDL_OPENGL) == NULL)
{
/* Failed */
return;
}
stage_sdl->win_width = new_width;
stage_sdl->win_height = new_height;
CLUTTER_SET_PRIVATE_FLAGS (self, CLUTTER_ACTOR_SYNC_MATRICES);
stage_sdl->win_width = width;
stage_sdl->win_height = height;
}
parent_class = CLUTTER_ACTOR_CLASS (clutter_stage_sdl_parent_class);
parent_class->allocate (self, box, flags);
}
static void
@ -195,8 +175,6 @@ clutter_stage_sdl_set_title (ClutterStageWindow *stage_window,
static void
clutter_stage_sdl_dispose (GObject *gobject)
{
ClutterStageSDL *stage_sdl = CLUTTER_STAGE_SDL (gobject);
G_OBJECT_CLASS (clutter_stage_sdl_parent_class)->dispose (gobject);
}
@ -204,17 +182,8 @@ static void
clutter_stage_sdl_class_init (ClutterStageSDLClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
gobject_class->dispose = clutter_stage_sdl_dispose;
actor_class->show = clutter_stage_sdl_show;
actor_class->hide = clutter_stage_sdl_hide;
actor_class->realize = clutter_stage_sdl_realize;
actor_class->unrealize = clutter_stage_sdl_unrealize;
actor_class->get_preferred_width = clutter_stage_sdl_get_preferred_width;
actor_class->get_preferred_height = clutter_stage_sdl_get_preferred_height;
actor_class->allocate = clutter_stage_sdl_allocate;
}
static void
@ -223,6 +192,13 @@ clutter_stage_window_iface_init (ClutterStageWindowIface *iface)
iface->set_fullscreen = clutter_stage_sdl_set_fullscreen;
iface->set_cursor_visible = clutter_stage_sdl_set_cursor_visible;
iface->set_title = clutter_stage_sdl_set_title;
iface->show = clutter_stage_sdl_show;
iface->hide = clutter_stage_sdl_hide;
iface->realize = clutter_stage_sdl_realize;
iface->unrealize = clutter_stage_sdl_unrealize;
iface->resize = clutter_stage_sdl_resize;
iface->get_geometry = clutter_stage_sdl_get_geometry;
iface->get_wrapper = clutter_stage_sdl_get_wrapper;
}
static void