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GtkBuilder: Report more lookup failures as GError

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Report failures to lookup objects for property values
and bindings via GError too, and provide location information
while doing so.

https://bugzilla.gnome.org/show_bug.cgi?id=748234
This commit is contained in:
Matthias Clasen 2015-04-29 15:19:31 -04:00
parent f5d7c5fef3
commit d58500b318
3 changed files with 49 additions and 39 deletions
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40
gtk/gtkbuilder.c
View File

@ -445,6 +445,8 @@ typedef struct
gchar *object;
GParamSpec *pspec;
gchar *value;
gint line;
gint col;
} DelayedProperty;
static void
@ -496,6 +498,8 @@ gtk_builder_get_parameters (GtkBuilder *builder,
property->pspec = prop->pspec;
property->object = g_strdup (object_name);
property->value = g_strdup (prop->data);
property->line = prop->line;
property->col = prop->col;
builder->priv->delayed_properties =
g_slist_prepend (builder->priv->delayed_properties, property);
continue;
@ -899,12 +903,9 @@ gtk_builder_apply_delayed_properties (GtkBuilder *builder)
object = g_hash_table_lookup (builder->priv->objects, property->object);
g_assert (object != NULL);
obj = g_hash_table_lookup (builder->priv->objects, property->value);
obj = _gtk_builder_lookup_object (builder, property->value, property->line, property->col);
if (obj)
g_object_set (object, property->pspec->name, obj, NULL);
else
g_warning ("No object called: %s", property->value);
g_free (property->value);
g_free (property->object);
@ -933,13 +934,11 @@ gtk_builder_create_bindings (GtkBuilder *builder)
BindingInfo *info = l->data;
GObject *source;
if ((source = gtk_builder_get_object (builder, info->source)))
source = _gtk_builder_lookup_object (builder, info->source, info->line, info->col);
if (source)
g_object_bind_property (source, info->source_property,
info->target, info->target_pspec->name,
info->flags);
else
g_warning ("Could not find source object '%s' to bind property '%s'",
info->source, info->source_property);
free_binding_info (info, NULL);
}
@ -2746,3 +2745,28 @@ _gtk_builder_lookup_object (GtkBuilder *builder,
return obj;
}
/*< private >
* _gtk_builder_lookup_failed:
* @GtkBuilder: a #GtkBuilder
* @error: return location for error
*
* Finds whether any object lookups have failed.
*
* Returns: %TRUE if @error has been set
*/
gboolean
_gtk_builder_lookup_failed (GtkBuilder *builder,
GError **error)
{
GError *lookup_error;
lookup_error = (GError*) g_object_steal_data (G_OBJECT (builder), "lookup-error");
if (lookup_error)
{
g_propagate_error (error, lookup_error);
return TRUE;
}
return FALSE;
}

42
gtk/gtkbuilderparser.c
View File

@ -700,6 +700,7 @@ parse_property (ParserData *data,
binfo->source = g_strdup (bind_source);
binfo->source_property = g_strdup (bind_property);
binfo->flags = bind_flags;
g_markup_parse_context_get_position (data->ctx, &binfo->line, &binfo->col);
object_info->bindings = g_slist_prepend (object_info->bindings, binfo);
}
@ -720,6 +721,7 @@ parse_property (ParserData *data,
state_push (data, info);
info->tag.name = element_name;
g_markup_parse_context_get_position (data->ctx, &info->line, &info->col);
}
static void
@ -941,8 +943,6 @@ subparser_end (GMarkupParseContext *context,
ParserData *data,
GError **error)
{
GError *lookup_error;
if (data->subparser->parser->end_element)
data->subparser->parser->end_element (context, element_name,
data->subparser->data, error);
@ -953,8 +953,6 @@ subparser_end (GMarkupParseContext *context,
if (strcmp (data->subparser->start, element_name) != 0)
return;
g_object_set_data (G_OBJECT (data->builder), "lookup-error", NULL);
gtk_buildable_custom_tag_end (GTK_BUILDABLE (data->subparser->object),
data->builder,
data->subparser->child,
@ -962,12 +960,8 @@ subparser_end (GMarkupParseContext *context,
data->subparser->data);
g_free (data->subparser->parser);
lookup_error = (GError*) g_object_steal_data (G_OBJECT (data->builder), "lookup-error");
if (lookup_error)
{
g_propagate_error (error, lookup_error);
return;
}
if (_gtk_builder_lookup_failed (data->builder, error))
return;
if (GTK_BUILDABLE_GET_IFACE (data->subparser->object)->custom_finished)
data->custom_finalizers = g_slist_prepend (data->custom_finalizers,
@ -1352,7 +1346,7 @@ _gtk_builder_parser_parse_buffer (GtkBuilder *builder,
const gchar* domain;
ParserData *data;
GSList *l;
/* Store the original domain so that interface domain attribute can be
* applied for the builder and the original domain can be restored after
* parsing has finished. This allows subparsers to translate elements with
@ -1393,28 +1387,22 @@ _gtk_builder_parser_parse_buffer (GtkBuilder *builder,
goto out;
_gtk_builder_finish (builder);
if (_gtk_builder_lookup_failed (builder, error))
goto out;
/* Custom parser_finished */
data->custom_finalizers = g_slist_reverse (data->custom_finalizers);
for (l = data->custom_finalizers; l; l = l->next)
{
SubParser *sub = (SubParser*)l->data;
GError *lookup_error;
g_object_set_data (G_OBJECT (builder), "lookup-error", NULL);
gtk_buildable_custom_finished (GTK_BUILDABLE (sub->object),
builder,
sub->child,
sub->tagname,
sub->data);
lookup_error = (GError*) g_object_steal_data (G_OBJECT (builder), "lookup-error");
if (lookup_error)
{
g_propagate_error (error, lookup_error);
goto out;
}
if (_gtk_builder_lookup_failed (builder, error))
goto out;
}
/* Common parser_finished, for all created objects */
@ -1422,18 +1410,10 @@ _gtk_builder_parser_parse_buffer (GtkBuilder *builder,
for (l = data->finalizers; l; l = l->next)
{
GtkBuildable *buildable = (GtkBuildable*)l->data;
GError *lookup_error;
g_object_set_data (G_OBJECT (builder), "lookup-error", NULL);
gtk_buildable_parser_finished (GTK_BUILDABLE (buildable), builder);
lookup_error = (GError*) g_object_steal_data (G_OBJECT (builder), "lookup-error");
if (lookup_error)
{
g_propagate_error (error, lookup_error);
goto out;
}
if (_gtk_builder_lookup_failed (builder, error))
goto out;
}
out:

6
gtk/gtkbuilderprivate.h
View File

@ -66,6 +66,8 @@ typedef struct {
gboolean translatable:1;
gboolean bound:1;
gchar *context;
gint line;
gint col;
} PropertyInfo;
typedef struct {
@ -85,6 +87,8 @@ typedef struct
gchar *source;
gchar *source_property;
GBindingFlags flags;
gint line;
gint col;
} BindingInfo;
typedef struct {
@ -201,6 +205,8 @@ GObject * _gtk_builder_lookup_object (GtkBuilder *builder,
const gchar *name,
gint line,
gint col);
gboolean _gtk_builder_lookup_failed (GtkBuilder *builder,
GError **error);
#endif /* __GTK_BUILDER_PRIVATE_H__ */