-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007, 2010-2011 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
#ifndef MSP_GLTK_SLIDER_H_
#define MSP_GLTK_SLIDER_H_
#include <sigc++/sigc++.h>
+#include "mspgltk_api.h"
#include "widget.h"
namespace Msp {
/**
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
+class MSPGLTK_API Slider: public Widget
{
public:
- class Loader: public Widget::Loader
+ class MSPGLTK_API 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:
- double min, max;
- double value;
- double step;
+ Direction dir;
+ double min = 0.0;
+ double max = 1.0;
+ double value = 0.0;
+ double step = 0.1;
+ double page_size = 0.25;
- bool dragging;
- double drag_start_pos;
- double drag_start_value;
- unsigned drag_area_size;
+ bool dragging = false;
+ double drag_start_pos = 0.0;
+ double drag_start_value = 0.0;
+ unsigned drag_area_size = 0;
+ unsigned drag_area_offset = 0;
+ unsigned slider_min_size = 1;
+ unsigned slider_size = 1;
+ unsigned total_margin = 0;
- Slider();
+ 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:
- void start_drag(int);
- void drag(int);
- void end_drag();
+ void autosize_special(const Part &, Geometry &) const override;
+ void rebuild_special(const Part &) override;
+
+public:
+ void button_press(int, int, unsigned) override;
+ void button_release(int, int, unsigned) override;
+ void pointer_motion(int, int) override;
+
+protected:
+ void on_size_change() override;
+ void on_style_change() override;
+};
+
+
+class MSPGLTK_API VSlider: public Slider
+{
+public:
+ VSlider(): Slider(VERTICAL) { }
+
+ const char *get_class() const override { return "vslider"; }
+};
+
+class MSPGLTK_API HSlider: public Slider
+{
+public:
+ HSlider(): Slider(HORIZONTAL) { }
+
+ const char *get_class() const override { return "hslider"; }
};
} // namespace GLtk