X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fslider.h;h=4260564a9f9985d80a0a7dc9171ae506beda6eaa;hb=b391f4b774d17c53dfd9062fc7c7a6b14f72f926;hp=d4ae46b632040fe9b6fb8dd8c90a21a7a5125af8;hpb=c062ca892fc6e10f74a76991b5d4b4349c046b5f;p=libs%2Fgltk.git

diff --git a/source/slider.h b/source/slider.h
index d4ae46b..4260564 100644
--- a/source/slider.h
+++ b/source/slider.h
@@ -7,21 +7,84 @@
 namespace Msp {
 namespace GLtk {
 
+/**
+Sliders are used to adjust numeric values visually.  This class provides the
+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 DataFile::DerivedObjectLoader<Slider, Widget::Loader>
+	{
+	public:
+		Loader(Slider &);
+	};
+
+protected:
+	enum Direction
+	{
+		HORIZONTAL,
+		VERTICAL
+	};
+
 public:
 	sigc::signal<void, double> signal_value_changed;
 
+protected:
+	Direction dir;
+	double min, max;
+	double value;
+	double step;
+	double page_size;
+
+	bool dragging;
+	double drag_start_pos;
+	double drag_start_value;
+	unsigned drag_area_size;
+	unsigned drag_area_offset;
+	unsigned slider_min_size;
+	unsigned slider_size;
+	unsigned total_margin;
+
+	Slider(Direction);
+
+public:
 	void set_value(double);
 	void set_range(double, double);
 	void set_step(double);
+	void set_page_size(double);
 	double get_value() const { return value; }
+
 protected:
-	double min, max;
-	double value;
-	double step;
+	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) { }
 
-	Slider(const Resources &);
+	virtual const char *get_class() const { return "hslider"; }
 };
 
 } // namespace GLtk