#include "layer-element.h" G_DEFINE_TYPE (LayerElement, layer_element, GTK_TYPE_BOX) static void layer_element_class_init(LayerElementClass *klass) { return; } static void layer_element_init(LayerElement *self) { self->button = gtk_button_new(); gtk_box_pack_start(GTK_BOX(self), self->button, TRUE, TRUE, 0); gtk_widget_show(self->button); } GtkWidget *layer_element_new(void) { return GTK_WIDGET(g_object_new(layer_element_get_type(), NULL)); }