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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
#include <ClanLib/display.h>
#include <ClanLib/gl.h>
#include "scrollbar_opengl.h"
#include "stylemanager_opengl.h"
CL_ScrollBar_OpenGL::CL_ScrollBar_OpenGL(
CL_ScrollBar *_scrollbar,
CL_StyleManager_OpenGL *style)
:
CL_ComponentStyle(_scrollbar),
timer_scroll(250),
scrollbar(_scrollbar)
{
this->style = style;
resources = style->get_resources();
CL_Rect rect_decrease;
CL_Rect rect_increase;
CL_Component *client_area = scrollbar->get_client_area();
if (scrollbar->is_vertical())
{
int button_size = scrollbar->get_width();
rect_decrease = CL_Rect(0, 0, button_size, button_size);
rect_increase = CL_Rect(0, scrollbar->get_height() - button_size, button_size, scrollbar->get_height());
}
else
{
int button_size = scrollbar->get_height();
rect_decrease = CL_Rect(0, 0, button_size, button_size);
rect_increase = CL_Rect(scrollbar->get_width() - button_size, 0, scrollbar->get_width(), button_size);
}
button_increase = new CL_Button(rect_increase, "", scrollbar, style);
button_decrease = new CL_Button(rect_decrease, "", scrollbar, style);
layout.add_resize_position(button_decrease, CL_LayoutManager::x2, scrollbar, CL_LayoutManager::x2);
layout.add_resize_position(button_increase, CL_LayoutManager::x2, scrollbar, CL_LayoutManager::x2);
layout.add_resize_position(button_increase, CL_LayoutManager::y1, scrollbar, CL_LayoutManager::y2);
layout.add_resize_position(button_increase, CL_LayoutManager::y2, scrollbar, CL_LayoutManager::y2);
slot_paint = client_area->sig_paint().connect(
this, &CL_ScrollBar_OpenGL::on_paint);
slot_increase_pressed = button_increase->sig_pressed().connect(
this, &CL_ScrollBar_OpenGL::start_scroll, 1);
slot_decrease_pressed = button_decrease->sig_pressed().connect(
this, &CL_ScrollBar_OpenGL::start_scroll, -1);
slot_increase_released = button_increase->sig_released().connect(
this, &CL_ScrollBar_OpenGL::stop_scroll);
slot_decrease_released = button_decrease->sig_released().connect(
this, &CL_ScrollBar_OpenGL::stop_scroll);
slot_timer = timer_scroll.sig_timer.connect(
this, &CL_ScrollBar_OpenGL::on_timer_scroll);
}
CL_ScrollBar_OpenGL::~CL_ScrollBar_OpenGL()
{
}
void CL_ScrollBar_OpenGL::start_scroll(int delta)
{
scroll_delta = delta;
timer_scroll.enable();
on_timer_scroll();
}
void CL_ScrollBar_OpenGL::stop_scroll()
{
timer_scroll.disable();
}
void CL_ScrollBar_OpenGL::on_timer_scroll()
{
scrollbar->set_value(scrollbar->get_value() + scroll_delta);
}
void CL_ScrollBar_OpenGL::on_paint()
{
int width = scrollbar->get_client_area()->get_width();
int height = scrollbar->get_client_area()->get_height();
CL_Rect rect = scrollbar->get_slider_rect();
// Background
CL_Display::fill_rect(
0, 0,
width, height,
0.5f, 0.5f, 0.5f);
// Slider
if(scrollbar->is_dragging_slider())
{
CL_Display::fill_rect(
rect.x1 + 2,
rect.y1 + 2,
rect.x2 - 2,
rect.y2 - 2,
0.7f, 0.7f, 0.7f);
}
else
{
CL_Display::fill_rect(
rect.x1 + 2,
rect.y1 + 2,
rect.x2 - 2,
rect.y2 - 2,
0.9f, 0.9f, 0.9f);
}
CL_Display::draw_rect(
rect.x1 + 1,
rect.y1 + 1,
rect.x2 - 1,
rect.y2 - 1,
0.2f, 0.2f, 0.2f);
}
|
