X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fslider.cpp;h=11e4c24dc6461c0c49910b030ee18a7a6240a00d;hb=a38c924ff32081f5cd67c2b0e2d5ca61f0e99de2;hp=cb24c002b1a497bb5502f81bb566a434d5abd3c6;hpb=c062ca892fc6e10f74a76991b5d4b4349c046b5f;p=libs%2Fgltk.git

diff --git a/source/slider.cpp b/source/slider.cpp
index cb24c00..11e4c24 100644
--- a/source/slider.cpp
+++ b/source/slider.cpp
@@ -9,11 +9,25 @@ Slider::Slider(const Resources &r):
 	max(1),
 	value(0),
 	step(0.1)
+{ }
+
+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);
 }
 
 void Slider::set_value(double v)
 {
+	double old_value=value;
+
 	if(v<min)
 		value=min;
 	else if(v>max)
@@ -24,7 +38,8 @@ void Slider::set_value(double v)
 		value=min+steps*step;
 	}
 
-	signal_value_changed.emit(value);
+	if(value!=old_value)
+		signal_value_changed.emit(value);
 }
 
 } // namespace GLtk