Neo  0.5.0
Developer Documentation
ScrollBar.h
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35 
36 #ifndef __SCROLLBAR_H__
37 #define __SCROLLBAR_H__
38 
39 #include <string>
40 #include <NeoEngine.h>
41 #include <Widget.h>
42 #include <Slider.h>
43 
44 namespace Neo2D
45 {
46 namespace Gui
47 {
48 
49 using namespace Neo;
50 
57 class NEO2D_EXPORT ScrollBar : public Widget
58 {
59  SLIDER_DIRECTION m_direction;
60  SLIDER_STATE m_state;
61 
62  Vector2 m_range;
63  float m_value;
64 
65  float m_mx;
66  float m_my;
67 
68 public:
69  ScrollBar(unsigned int x, unsigned int y, unsigned int width,
70  unsigned int height, float min, float max, SLIDER_DIRECTION dir)
71  : Widget(x, y, width, height, ""),
72  m_direction(dir),
73  m_range(min, max),
74  m_mx(0),
75  m_my(0),
76  m_value(0),
77  m_state(SLIDER_NORMAL)
78  {}
79 
80  Vector2 getRange() { return m_range; }
81  void setRange(Vector2 range) { m_range = range; }
82 
83  void setValue(float value)
84  {
85  float length = (m_direction == SLIDER_HORIZONTAL) ? m_width : m_height;
86  m_value = MAX(m_range.x, MIN(value, m_range.y - length));
87  }
88 
89  float getValue() { return m_value; }
90 
91  void draw(Vector2 offset);
92  void update();
93 };
94 }
95 }
96 #endif
void setRange(Vector2 range)
Definition: ScrollBar.h:81
float getValue()
Definition: ScrollBar.h:89
ScrollBar(unsigned int x, unsigned int y, unsigned int width, unsigned int height, float min, float max, SLIDER_DIRECTION dir)
Definition: ScrollBar.h:69
float y
Definition: Vector2.h:36
float x
Definition: Vector2.h:35
The Widget class contains all information that is common to all GUI widgets.
Definition: Widget.h:72
void setValue(float value)
Definition: ScrollBar.h:83
Definition: Vector2.h:31
Definition: Button.h:42
Definition: Slider.h:52
Definition: Slider.h:58
SLIDER_DIRECTION
Definition: Slider.h:50
Vector2 getRange()
Definition: ScrollBar.h:80
Definition: Color.h:29
SLIDER_STATE
Definition: Slider.h:56
The ScrollBar class implements a slider that interpolates values in a given range.
Definition: ScrollBar.h:57