Custom Library/Cell Renderer for tree view

This allows direct storing of library/cell structures instead of only names

tree-renderer/lib-cell-renderer.c

@@ -0,0 +1,99 @@
+/*
+ * GDSII-Converter
+ * Copyright (C) 2018  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/>.
+ */
+
+#include "lib-cell-renderer.h"
+#include "../gds-types.h"
+
+G_DEFINE_TYPE(LibCellRenderer, lib_cell_renderer, GTK_TYPE_CELL_RENDERER_TEXT)
+
+enum {
+	PROP_LIB = 1,
+	PROP_CELL,
+	PROP_COUNT
+};
+
+void lib_cell_renderer_init(LibCellRenderer *self)
+{
+	/* Nothing to do */
+}
+
+static void lib_cell_renderer_constructed(GObject *obj)
+{
+	G_OBJECT_CLASS(lib_cell_renderer_parent_class)->constructed(obj);
+}
+
+static void lib_cell_renderer_set_property(GObject      *object,
+					   guint        param_id,
+					   const GValue *value,
+					   GParamSpec   *pspec)
+{
+	GValue val = G_VALUE_INIT;
+
+	g_value_init(&val, G_TYPE_STRING);
+
+	switch (param_id) {
+	case PROP_LIB:
+		g_value_set_string(&val, ((struct gds_library *)g_value_get_pointer(value))->name);
+		g_object_set_property(object, "text", &val);
+		break;
+	case PROP_CELL:
+		g_value_set_string(&val, ((struct gds_cell *)g_value_get_pointer(value))->name);
+		g_object_set_property(object, "text", &val);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
+		break;
+	}
+}
+
+static void lib_cell_renderer_get_property(GObject      *object,
+					   guint        param_id,
+					   GValue	*value,
+					   GParamSpec   *pspec)
+{
+	switch (param_id) {
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
+		break;
+	}
+}
+
+static GParamSpec *properties [PROP_COUNT];
+
+void lib_cell_renderer_class_init(LibCellRendererClass *klass)
+{
+	GObjectClass *oclass = G_OBJECT_CLASS(klass);
+	oclass->constructed = lib_cell_renderer_constructed;
+	oclass->set_property = lib_cell_renderer_set_property;
+	oclass->get_property = lib_cell_renderer_get_property;
+
+	properties[PROP_LIB] = g_param_spec_pointer("gds-lib", "gds-lib",
+							 "Library reference to be displayed",
+							 G_PARAM_WRITABLE);
+	properties[PROP_CELL] = g_param_spec_pointer("gds-cell", "gds-cell",
+							 "Cell reference to be displayed",
+							 G_PARAM_WRITABLE);
+
+	g_object_class_install_properties(oclass, PROP_COUNT, properties);
+}
+
+GtkCellRenderer *lib_cell_renderer_new()
+{
+	return GTK_CELL_RENDERER(g_object_new(TYPE_LIB_CELL_RENDERER, NULL));
+}

tree-renderer/lib-cell-renderer.h

@@ -0,0 +1,47 @@
+/*
+ * GDSII-Converter
+ * Copyright (C) 2018  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/>.
+ */
+
+#ifndef __LIB_CELL_RENDERER_H__
+#define __LIB_CELL_RENDERER_H__
+
+
+#include <gtk/gtk.h>
+
+#define LIB_CELL_RENDERER(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, lib_cell_renderer_get_type(), LibCellRenderer)
+#define LIB_CELL_RENDERER_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, lib_cell_renderer_get_type(), LibCellRendererClass)
+#define IS_LIB_CELL_RENDERER(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, layer_element_get_type())
+#define TYPE_LIB_CELL_RENDERER (lib_cell_renderer_get_type())
+
+typedef struct _LibCellRenderer {
+        /* Inheritance */
+        GtkCellRendererText super;
+        /* Custom Elements */
+} LibCellRenderer;
+
+typedef struct _LibCellRendererClass {
+        GtkCellRendererTextClass parent;
+} LibCellRendererClass;
+
+
+GType lib_cell_renderer_get_type(void);
+GtkCellRenderer *lib_cell_renderer_new(void);
+
+
+
+#endif /* __LIB_CELL_RENDERER_H__ */