Add ColorButtonVector3

tools/widgets/color_button_vector3.vala

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2012-2016 Daniele Bartolini and individual contributors.
+ * License: https://github.com/taylor001/crown/blob/master/LICENSE-GPLv2
+ */
+
+using Gtk;
+
+namespace Crown
+{
+	/// <summary>
+	/// Vector3 ColorButton
+	/// </summary>
+	public class ColorButtonVector3 : Gtk.Bin
+	{
+		// Data
+		private bool _stop_emit;
+
+		// Widgets
+		private Gtk.ColorButton _color_button;
+
+		// Signals
+		public signal void value_changed();
+
+		public Vector3 value
+		{
+			get
+			{
+				Gdk.RGBA rgba = _color_button.get_rgba();
+				double r = rgba.red;
+				double g = rgba.green;
+				double b = rgba.blue;
+				return Vector3(r, g, b);
+			}
+			set
+			{
+				_stop_emit = true;
+				Vector3 val = (Vector3)value;
+				double r = val.x;
+				double g = val.y;
+				double b = val.z;
+				double a = 1.0;
+				_color_button.set_rgba({ r, g, b, a });
+				_stop_emit = false;
+			}
+		}
+
+		public ColorButtonVector3()
+		{
+			_stop_emit = false;
+
+			_color_button = new Gtk.ColorButton();
+			_color_button.color_set.connect(on_color_set);
+
+			add(_color_button);
+		}
+
+		private void on_color_set()
+		{
+			if (!_stop_emit)
+				value_changed();
+		}
+	}
+}