X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fslider.cpp;h=0b1d8b066ee2e992644d9cc0254dc672a6ac8db5;hb=8f6f543758fb1b2b17ae2db519198d420eb9982d;hp=cb24c002b1a497bb5502f81bb566a434d5abd3c6;hpb=c062ca892fc6e10f74a76991b5d4b4349c046b5f;p=libs%2Fgltk.git

diff --git a/source/slider.cpp b/source/slider.cpp
index cb24c00..0b1d8b0 100644
--- a/source/slider.cpp
+++ b/source/slider.cpp
@@ -1,3 +1,10 @@
+/* $Id$
+
+This file is part of libmspgltk
+Copyright © 2007  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
 #include "slider.h"
 
 namespace Msp {
@@ -9,11 +16,12 @@ Slider::Slider(const Resources &r):
 	max(1),
 	value(0),
 	step(0.1)
-{
-}
+{ }
 
 void Slider::set_value(double v)
 {
+	double old_value=value;
+
 	if(v<min)
 		value=min;
 	else if(v>max)
@@ -24,7 +32,35 @@ void Slider::set_value(double v)
 		value=min+steps*step;
 	}
 
-	signal_value_changed.emit(value);
+	if(value!=old_value)
+		signal_value_changed.emit(value);
+}
+
+void Slider::set_range(double a, double b)
+{
+	min=a;
+	max=b;
+	set_value(value);
+}
+
+void Slider::set_step(double s)
+{
+	step=s;
+	set_value(value);
+}
+
+
+Slider::Loader::Loader(Slider &s):
+	Widget::Loader(s)
+{
+	add("range", &Slider::min, &Slider::max);
+	add("step",  &Slider::step);
+	add("value", &Slider::value);
+}
+
+Slider &Slider::Loader::get_object() const
+{
+	return static_cast<Slider &>(wdg);
 }
 
 } // namespace GLtk