Add ActivityBar widget

include/gds-render/widgets/activity-bar.h

@@ -0,0 +1,60 @@
+/*
+ * GDSII-Converter
+ * Copyright (C) 2019  Mario Hüttel <mario.huettel@gmx.net>
+ *
+ * This file is part of GDSII-Converter.
+ *
+ * GDSII-Converter 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.
+ *
+ * GDSII-Converter 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 GDSII-Converter.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * @file activity-bar.h
+ * @brief Header file for activity bar widget
+ * @author Mario Hüttel <mario.huettel@gmx.net>
+ */
+
+/**
+ * @addtogroup ActivityBar
+ * @ingroup Widgets
+ * @{
+ */
+
+#ifndef __LAYER_ELEMENT_H__
+#define __LAYER_ELEMENT_H__
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+/* Creates Class structure etc */
+G_DECLARE_FINAL_TYPE(ActivityBar, activity_bar, ACTIVITY, BAR, GtkBox)
+
+#define TYPE_ACTIVITY_BAR (activity_bar_get_type())
+
+/**
+ * @brief Create new Object ActivityBar
+ * @return New object. In case of error: NULL.
+ */
+ActivityBar *activity_bar_new();
+
+/**
+ * @brief Deletes all applied tasks and sets bar to "Ready".
+ * @param[in] bar AcitivityBar object.
+ */
+void activity_bar_set_ready(ActivityBar *bar);
+
+G_END_DECLS
+
+#endif /* __LAYER_ELEMENT_H__ */
+
+/** @} */