X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fslider.h;h=b6041af96480320c8fa5643a313c6cdb96958b69;hb=ab9fd8084f8bf8770d8d968354550cb2df99192f;hp=e2d810994c51387dab238b0d38fc78d9fb59a6f0;hpb=2b70e8801c43875ed3f4135bdd0141265cff0312;p=libs%2Fgltk.git

diff --git a/source/slider.h b/source/slider.h
index e2d8109..b6041af 100644
--- a/source/slider.h
+++ b/source/slider.h
@@ -9,22 +9,30 @@ namespace GLtk {
 
 /**
 Sliders are used to adjust numeric values visually.  This class provides the
-common interface for sliders - see classes HSlider and VSlider for concrete
-variations.
+common interface and logic for sliders but can't be instantiated.  Use HSlider
+or VSlider depending on which direction you want the slider to be in.
 */
 class Slider: public Widget
 {
 public:
-	class Loader: public Widget::Loader
+	class Loader: public DataFile::DerivedObjectLoader<Slider, Widget::Loader>
 	{
 	public:
 		Loader(Slider &);
-		Slider &get_object() const;
 	};
 
+protected:
+	enum Direction
+	{
+		HORIZONTAL,
+		VERTICAL
+	};
+
+public:
 	sigc::signal<void, double> signal_value_changed;
 
 protected:
+	Direction dir;
 	double min, max;
 	double value;
 	double step;
@@ -33,8 +41,11 @@ protected:
 	double drag_start_pos;
 	double drag_start_value;
 	unsigned drag_area_size;
+	unsigned drag_area_offset;
+	unsigned slider_size;
+	unsigned total_margin;
 
-	Slider();
+	Slider(Direction);
 
 public:
 	void set_value(double);
@@ -43,9 +54,34 @@ public:
 	double get_value() const { return value; }
 
 protected:
-	void start_drag(int);
-	void drag(int);
-	void end_drag();
+	virtual void autosize_special(const Part &, Geometry &) const;
+	virtual void rebuild_special(const Part &);
+
+public:
+	virtual void button_press(int, int, unsigned);
+	virtual void button_release(int, int, unsigned);
+	virtual void pointer_motion(int, int);
+
+protected:
+	virtual void on_size_change();
+	virtual void on_style_change();
+};
+
+
+class VSlider: public Slider
+{
+public:
+	VSlider(): Slider(VERTICAL) { }
+
+	virtual const char *get_class() const { return "vslider"; }
+};
+
+class HSlider: public Slider
+{
+public:
+	HSlider(): Slider(HORIZONTAL) { }
+
+	virtual const char *get_class() const { return "hslider"; }
 };
 
 } // namespace GLtk