Create basic GObject structure for GraphView

lib/src/gtk-graph-view.c

@@ -1,6 +1,56 @@
-#include <gtk-graph-view.h>
+/*
+ * This file is part of GtkGraphView.
+ *
+* Foobar is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* GtkGraphView is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with GtkGraphView. If not, see <https://www.gnu.org/licenses/>.
+*/
 
-int test()
+#include <gtk-graph-view.h>
+#include <epoxy/gl.h>
+
+struct _GtkGraphView {
+	GtkGLArea parent;
+};
+
+typedef struct {
+	int i; /**< @note This is just a dummy. Remove! */
+} GtkGraphViewPrivate;
+
+G_DEFINE_TYPE_WITH_PRIVATE(GtkGraphView, gtk_graph_view, GTK_TYPE_GL_AREA)
+
+/**
+ * @brief Init class structure of GtkGraphView
+ * @param klass Class structure
+ */
+static void gtk_graph_view_class_init(GtkGraphViewClass *klass)
 {
-	return 1;
+	(void)klass;
+
+	return;
+}
+
+/**
+ * @brief Init a new GtkGraphView GObject
+ * @param obj Object to initialize
+ */
+static void gtk_graph_view_init(GtkGraphView *obj)
+{
+	GtkGraphViewPrivate *priv;
+
+	priv = gtk_graph_view_get_instance_private(obj);
+	priv->i = 0;
+}
+
+GtkWidget *gtk_graph_view_new()
+{
+	return gtk_widget_new(GTK_TYPE_GRAPH_VIEW, NULL);
 }