1 files changed, 45 insertions, 0 deletions
diff --git a/src/boilerplate.h b/src/boilerplate.h
new file mode 100644
index 0000000..413c48d
--- /dev/null
+++ b/src/boilerplate.h
@@ -0,0 +1,45 @@
+/* This file is part of Ganv.
+ * Copyright 2007-2011 David Robillard <http://drobilla.net>
+ *
+ * Ganv is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * Ganv 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
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Ganv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+typedef gpointer gobject;
+
+/**
+   A case in a switch statement in a set_properties implementation.
+   @prop: Property enumeration ID.
+   @type: Name of the value type, e.g. uint for guint.
+   @field: Field to set to the new value.
+*/
+#define SET_CASE(prop, type, field) \
+	case PROP_##prop: { \
+		const g##type tmp = g_value_get_##type(value); \
+		if (field != tmp) { \
+			field = tmp; \
+			gnome_canvas_item_request_update(GNOME_CANVAS_ITEM(object)); \
+		} \
+		break; \
+	}
+
+/**
+   A case in a switch statement in a get_properties implementation.
+   @prop: Property enumeration ID.
+   @type: Name of the value type, e.g. uint for guint.
+   @field: Field to set to the new value.
+*/
+#define GET_CASE(prop, type, field) \
+	case PROP_##prop: \
+	g_value_set_##type(value, field); \
+	break;