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Added object properties introspection.

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Original commit message from CVS:
Added object properties introspection.
This commit is contained in:
Wim Taymans 2001-06-20 20:49:13 +00:00
parent 7f55c0b532
commit afcfcf88ca
1 changed files with 23 additions and 12 deletions
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35
tools/gstreamer-inspect.c
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@ -254,17 +254,27 @@ print_element_info (GstElementFactory *factory)
} else
printf(" none\n");
#ifdef USE_GLIB2
// FIXME accessing private data of GObjectClass !!!
num_properties = G_OBJECT_GET_CLASS (element)->n_property_specs;
property_specs = G_OBJECT_GET_CLASS (element)->property_specs;
if (num_properties)
printf("\nElement Arguments:\n");
else
printf("\nNo Element Arguments.\n");
#else
property_specs = (GParamSpec **)gtk_object_query_args (GTK_OBJECT_TYPE (element), &flags, &num_properties);
#endif
printf("\nElement Arguments:\n");
for (i=0;i<num_properties;i++) {
GParamSpec *param = property_specs[i];
GValue value = { 0, };
#ifdef USE_GLIB2
GParamSpec *param = property_specs[i];
#else
// gtk doesn't have a paramspec, so we create one here
GParamSpec rparm, *param = &rparm;
GtkArg *args = (GtkArg *)property_specs; // ugly typecast here
param->value_type = args[i].type;
param->name = args[i].name;
#endif
g_value_init (&value, param->value_type);
g_object_get_property (G_OBJECT (element), param->name, &value);
@ -282,15 +292,17 @@ print_element_info (GstElementFactory *factory)
default:
if (param->value_type == GST_TYPE_FILENAME)
printf("Filename");
else if (G_TYPE_IS_ENUM (param->value_type)) {
else if (G_IS_PARAM_SPEC_ENUM (param)) {
GEnumValue *values;
GEnumClass *ec = G_ENUM_CLASS (g_type_class_ref (param->value_type));
guint j = 0;
printf("Enum \"%s\" (default %d)", g_type_name (G_VALUE_TYPE (&value)),
g_value_get_enum (&value));
values = ec->values;
#ifdef USE_GLIB2
values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
#else
values = gtk_type_enum_get_values (param->value_type);
#endif
while (values[j].value_name) {
printf("\n (%d): \t%s", values[j].value, values[j].value_nick);
j++;
@ -305,10 +317,9 @@ print_element_info (GstElementFactory *factory)
}
/*
g_free (args);
if (num_args == 0) g_print (" none");
printf("\n");
*/
if (num_properties == 0) g_print (" none");
printf("\n");
// for compound elements