X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fslider.h;h=6c95526f13f2699f14c89049fe5f252510383a2e;hb=ef4660c4bdf38e126e13b426649fc2f997027b65;hp=8eb373667405dbb17cc25bb22fc5f9167b985eb9;hpb=c2635c5a3dca6a6cea5562fd387beb0662b18cf0;p=libs%2Fgltk.git

diff --git a/source/slider.h b/source/slider.h
index 8eb3736..6c95526 100644
--- a/source/slider.h
+++ b/source/slider.h
@@ -16,16 +16,29 @@ namespace GLtk {
 
 /**
 Sliders are used to adjust numeric values visually.  This class provides the
-common interface for sliders - see classes HSlider and VSlider (NYI) for
-concrete variations.
+common interface for sliders - see classes HSlider and VSlider for concrete
+variations.
 */
 class Slider: public Widget
 {
+public:
+	class Loader: public Widget::Loader
+	{
+	public:
+		Loader(Slider &);
+		Slider &get_object() const;
+	};
+
 protected:
 	double min, max;
 	double value;
 	double step;
 
+	bool dragging;
+	double drag_start_pos;
+	double drag_start_value;
+	unsigned drag_area_size;
+
 public:
 	sigc::signal<void, double> signal_value_changed;
 
@@ -36,6 +49,10 @@ public:
 	void set_range(double, double);
 	void set_step(double);
 	double get_value() const { return value; }
+protected:
+	void start_drag(int);
+	void drag(int);
+	void end_drag();
 };
 
 } // namespace GLtk