/**
* \fn void show_score(BrailleMusicEditor *editor)
* \brief This function create a scoreviewer in a widget.
* \param editor The GUI structure.
*/
void show_score(BrailleMusicEditor *editor) {
GError *err = NULL;
GFile *file;
gchar *filename = "score.pdf";
file = g_file_new_for_commandline_arg (filename);
gchar *uri = g_file_get_uri (file);
g_object_unref (file);
EvDocument *doc = ev_document_factory_get_document (uri, &err);
if(err) {
g_warning ("Trying to read the score pdf file %s gave an error: %s",
uri, err->message);
if(err)
g_error_free (err);
err = NULL;
} else {
EvDocumentModel *docmodel = ev_document_model_new_with_document(EV_DOCUMENT(doc));
ev_view_set_model(EV_VIEW(editor->score_view), EV_DOCUMENT_MODEL(docmodel));
g_signal_connect(editor->score_view, "external-link",
G_CALLBACK(external_link_catch), editor);
}
}
/* Helper functions */
gint
ev_document_links_get_dest_page (EvDocumentLinks *document_links,
EvLinkDest *dest)
{
gint page = -1;
switch (ev_link_dest_get_dest_type (dest)) {
case EV_LINK_DEST_TYPE_NAMED: {
page = ev_document_links_find_link_page (document_links,
ev_link_dest_get_named_dest (dest));
}
break;
case EV_LINK_DEST_TYPE_PAGE_LABEL:
ev_document_find_page_by_label (EV_DOCUMENT (document_links),
ev_link_dest_get_page_label (dest),
&page);
break;
default:
page = ev_link_dest_get_page (dest);
}
return page;
}
static void
ev_document_finalize (GObject *object)
{
EvDocument *document = EV_DOCUMENT (object);
if (document->priv->uri) {
g_free (document->priv->uri);
document->priv->uri = NULL;
}
if (document->priv->page_sizes) {
g_free (document->priv->page_sizes);
document->priv->page_sizes = NULL;
}
if (document->priv->page_labels) {
gint i;
for (i = 0; i < document->priv->n_pages; i++) {
g_free (document->priv->page_labels[i]);
}
g_free (document->priv->page_labels);
document->priv->page_labels = NULL;
}
if (document->priv->info) {
ev_document_info_free (document->priv->info);
document->priv->info = NULL;
}
if (document->priv->synctex_scanner) {
synctex_scanner_free (document->priv->synctex_scanner);
document->priv->synctex_scanner = NULL;
}
G_OBJECT_CLASS (ev_document_parent_class)->finalize (object);
}
static EvDocument *
ev_document_factory_new_document_for_mime_type (const gchar *mime_type,
GError **error)
{
EvDocument *document;
EvBackendInfo *info;
GTypeModule *module = NULL;
g_return_val_if_fail (mime_type != NULL, NULL);
info = get_backend_info_for_mime_type (mime_type);
if (info == NULL) {
char *content_type, *mime_desc = NULL;
content_type = g_content_type_from_mime_type (mime_type);
if (content_type)
mime_desc = g_content_type_get_description (content_type);
g_set_error (error,
EV_DOCUMENT_ERROR,
EV_DOCUMENT_ERROR_INVALID,
_("File type %s (%s) is not supported"),
mime_desc ? mime_desc : "(unknown)", mime_type);
g_free (mime_desc);
g_free (content_type);
return NULL;
}
if (ev_module_hash != NULL) {
module = g_hash_table_lookup (ev_module_hash, info->module_name);
}
if (module == NULL) {
gchar *path;
path = g_module_build_path (ev_backends_dir, info->module_name);
module = G_TYPE_MODULE (_ev_module_new (path, info->resident));
g_free (path);
if (ev_module_hash == NULL) {
ev_module_hash = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free,
NULL /* leaked on purpose */);
}
g_hash_table_insert (ev_module_hash, g_strdup (info->module_name), module);
}
if (!g_type_module_use (module)) {
const char *err;
err = g_module_error ();
g_set_error (error, EV_DOCUMENT_ERROR, EV_DOCUMENT_ERROR_INVALID,
"Failed to load backend for '%s': %s",
mime_type, err ? err : "unknown error");
return NULL;
}
document = EV_DOCUMENT (_ev_module_new_object (EV_MODULE (module)));
g_type_module_unuse (module);
g_object_set_data_full (G_OBJECT (document), BACKEND_DATA_KEY,
_ev_backend_info_ref (info),
(GDestroyNotify) _ev_backend_info_unref);
return document;
}
