1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef GUIELEMENT_H
#define GUIELEMENT_H
#include <list>
#include <SDL_events.h>
namespace agui
{
class GuiElement
{
public:
GuiElement(GuiElement* parent = NULL);
virtual ~GuiElement();
void Draw();
bool HandleEvent(const SDL_Event& ev);
bool MouseOver(int x, int y) const;
bool MouseOver(float x, float y) const;
static void UpdateDisplayGeo(int x, int y, int offsetX, int offsetY);
static float PixelToGlX(int x);
static float PixelToGlY(int y);
static float GlToPixelX(float x);
static float GlToPixelY(float y);
virtual void AddChild(GuiElement* elem);
void SetPos(float x, float y);
void SetSize(float x, float y, bool fixed = false);
bool SizeFixed() const
{
return fixedSize;
};
float* GetSize()
{
return size;
};
float* GetPos()
{
return pos;
};
void SetWeight(unsigned newWeight)
{
weight = newWeight;
};
unsigned Weight() const
{
return weight;
};
void GeometryChange();
float GetMidY() const
{
return pos[1] + (size[1] / 2.0f);
};
float DefaultOpacity() const;
virtual float Opacity() const
{
if (parent)
return parent->Opacity();
else
return DefaultOpacity();
};
void Move(float x, float y);
GuiElement* GetRoot()
{
if (parent)
return parent->GetRoot();
else
return this;
};
void DrawBox(int how);
protected:
GuiElement* parent;
typedef std::list<GuiElement*> ChildList;
ChildList children;
virtual void DrawSelf() {};
virtual bool HandleEventSelf(const SDL_Event& ev)
{
return false;
};
virtual void GeometryChangeSelf() {};
static int screensize[2];
static int screenoffset[2];
bool fixedSize;
float pos[2];
float size[2];
unsigned weight;
};
}
#endif
|
