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2008-09-19 Emmanuele Bassi <ebassi@linux.intel.com>

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Bug 1033 - Manually parsing command line options prevents
	initializing clutter

	* clutter/clutter-main.c:
	(post_parse_hook), (clutter_init_with_args),
	(clutter_parse_args), (clutter_init): Move the initialization
	of Clutter at the end of the post-parse hook of Clutter's
	GOptionGroup. Clutter must be initialized at the end of the
	argument parsing.
This commit is contained in:
Emmanuele Bassi 2008-09-19 13:22:12 +00:00
parent 6d17aa1a66
commit 77b1388d1c
2 changed files with 111 additions and 84 deletions
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12
ChangeLog
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@ -1,3 +1,15 @@
2008-09-19 Emmanuele Bassi <ebassi@linux.intel.com>
Bug 1033 - Manually parsing command line options prevents
initializing clutter
* clutter/clutter-main.c:
(post_parse_hook), (clutter_init_with_args),
(clutter_parse_args), (clutter_init): Move the initialization
of Clutter at the end of the post-parse hook of Clutter's
GOptionGroup. Clutter must be initialized at the end of the
argument parsing.
2008-09-19 Emmanuele Bassi <ebassi@linux.intel.com>
* clutter/clutter-main.c: Properly document the

177
clutter/clutter-main.c
View File

@ -1059,6 +1059,85 @@ clutter_arg_no_debug_cb (const char *key,
}
#endif /* CLUTTER_ENABLE_DEBUG */
GQuark
clutter_init_error_quark (void)
{
return g_quark_from_static_string ("clutter-init-error-quark");
}
static ClutterInitError
clutter_init_real (GError **error)
{
ClutterMainContext *ctx;
ClutterActor *stage;
/* Note, creates backend if not already existing, though parse args will
* have likely created it
*/
ctx = clutter_context_get_default ();
/* Stage will give us a GL Context etc */
stage = clutter_stage_get_default ();
if (!stage)
{
if (error)
g_set_error (error, CLUTTER_INIT_ERROR,
CLUTTER_INIT_ERROR_INTERNAL,
"Unable to create the default stage");
else
g_critical ("Unable to create the default stage");
return CLUTTER_INIT_ERROR_INTERNAL;
}
clutter_actor_realize (stage);
if (!CLUTTER_ACTOR_IS_REALIZED (stage))
{
if (error)
g_set_error (error, CLUTTER_INIT_ERROR,
CLUTTER_INIT_ERROR_INTERNAL,
"Unable to realize the default stage");
else
g_critical ("Unable to realize the default stage");
return CLUTTER_INIT_ERROR_INTERNAL;
}
/* Now we can safely assume we have a valid GL context and can
* start issueing cogl commands
*/
/* Figure out framebuffer masks used for pick */
cogl_get_bitmasks (&ctx->fb_r_mask, &ctx->fb_g_mask, &ctx->fb_b_mask, NULL);
ctx->fb_r_mask_used = ctx->fb_r_mask;
ctx->fb_g_mask_used = ctx->fb_g_mask;
ctx->fb_b_mask_used = ctx->fb_b_mask;
#ifndef HAVE_CLUTTER_FRUITY
/* We always do fuzzy picking for the fruity backend */
if (g_getenv ("CLUTTER_FUZZY_PICK") != NULL)
#endif
{
ctx->fb_r_mask_used--;
ctx->fb_g_mask_used--;
ctx->fb_b_mask_used--;
}
/* Initiate event collection */
_clutter_backend_init_events (ctx->backend);
/* finally features - will call to backend and cogl */
_clutter_feature_init ();
clutter_stage_set_title (CLUTTER_STAGE (stage), g_get_prgname ());
clutter_is_initialized = TRUE;
return CLUTTER_INIT_SUCCESS;
}
static GOptionEntry clutter_args[] = {
{ "clutter-show-fps", 0, 0, G_OPTION_ARG_NONE, &clutter_show_fps,
"Show frames per second", NULL },
@ -1169,6 +1248,9 @@ post_parse_hook (GOptionContext *context,
else
retval = TRUE;
if (retval)
clutter_init_real (error);
return retval;
}
@ -1226,84 +1308,6 @@ clutter_get_option_group (void)
return group;
}
GQuark
clutter_init_error_quark (void)
{
return g_quark_from_static_string ("clutter-init-error-quark");
}
static ClutterInitError
clutter_init_real (GError **error)
{
ClutterMainContext *ctx;
ClutterActor *stage;
/* Note, creates backend if not already existing, though parse args will
* have likely created it
*/
ctx = clutter_context_get_default ();
/* Stage will give us a GL Context etc */
stage = clutter_stage_get_default ();
if (!stage)
{
if (error)
g_set_error (error, CLUTTER_INIT_ERROR,
CLUTTER_INIT_ERROR_INTERNAL,
"Unable to create the default stage");
else
g_critical ("Unable to create the default stage");
return CLUTTER_INIT_ERROR_INTERNAL;
}
clutter_actor_realize (stage);
if (!CLUTTER_ACTOR_IS_REALIZED (stage))
{
if (error)
g_set_error (error, CLUTTER_INIT_ERROR,
CLUTTER_INIT_ERROR_INTERNAL,
"Unable to realize the default stage");
else
g_critical ("Unable to realize the default stage");
return CLUTTER_INIT_ERROR_INTERNAL;
}
/* Now we can safely assume we have a valid GL context and can
* start issueing cogl commands
*/
/* Figure out framebuffer masks used for pick */
cogl_get_bitmasks (&ctx->fb_r_mask, &ctx->fb_g_mask, &ctx->fb_b_mask, NULL);
ctx->fb_r_mask_used = ctx->fb_r_mask;
ctx->fb_g_mask_used = ctx->fb_g_mask;
ctx->fb_b_mask_used = ctx->fb_b_mask;
#ifndef HAVE_CLUTTER_FRUITY
/* We always do fuzzy picking for the fruity backend */
if (g_getenv ("CLUTTER_FUZZY_PICK") != NULL)
#endif
{
ctx->fb_r_mask_used--;
ctx->fb_g_mask_used--;
ctx->fb_b_mask_used--;
}
/* Initiate event collection */
_clutter_backend_init_events (ctx->backend);
/* finally features - will call to backend and cogl */
_clutter_feature_init ();
clutter_stage_set_title (CLUTTER_STAGE (stage), g_get_prgname ());
clutter_is_initialized = TRUE;
return CLUTTER_INIT_SUCCESS;
}
/**
* clutter_init_with_args:
* @argc: a pointer to the number of command line arguments
@ -1367,10 +1371,17 @@ clutter_init_with_args (int *argc,
* us by g_option_context_parse()
*/
if (!res)
{
/* if there has been an error in the initialization, the
* error id will be preserved inside the GError code
*/
if (error && *error)
return (*error)->code;
else
return CLUTTER_INIT_ERROR_INTERNAL;
}
/* Do the real work.. */
return clutter_init_real (error);
return CLUTTER_INIT_SUCCESS;
}
static gboolean
@ -1395,9 +1406,13 @@ clutter_parse_args (int *argc,
g_option_context_set_main_group (option_context, clutter_group);
if (!g_option_context_parse (option_context, argc, argv, &error))
{
if (error)
{
g_warning ("%s", error->message);
g_error_free (error);
}
ret = FALSE;
}
@ -1439,7 +1454,7 @@ clutter_init (int *argc,
return CLUTTER_INIT_ERROR_INTERNAL;
}
return clutter_init_real (NULL);
return CLUTTER_INIT_SUCCESS;
}
gboolean