gtk_box_pack_start(GTK_BOX(ui->vbox), ui->error_info_bar, FALSE, FALSE, 0);
gtk_widget_show_all(ui->vbox);
} else {
char buffer[256];
snprintf(buffer, sizeof(buffer), "Failed to open file.");
gtk_box_pack_start(GTK_BOX(ui->vbox), ui->error_info_bar, FALSE, FALSE, 0);
gtk_widget_show_all(ui->vbox);
} else {
char buffer[256];
snprintf(buffer, sizeof(buffer), "Failed to open file.");