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
|
// Programmed by Jedidiah Barber
// Released into the public domain
#include <FL/Fl_Adjuster.H>
#include "c_fl_adjuster.h"
// Exports from Ada
extern "C" void widget_draw_hook(void * ud);
extern "C" int widget_handle_hook(void * ud, int e);
// Non-friend protected access
class Friend_Adjuster : Fl_Adjuster {
public:
using Fl_Adjuster::value_damage;
};
// Attaching all relevant hooks and friends
class My_Adjuster : public Fl_Adjuster {
public:
using Fl_Adjuster::Fl_Adjuster;
friend void fl_adjuster_draw(ADJUSTER a);
friend int fl_adjuster_handle(ADJUSTER a, int e);
void draw();
int handle(int e);
};
void My_Adjuster::draw() {
widget_draw_hook(this->user_data());
}
int My_Adjuster::handle(int e) {
return widget_handle_hook(this->user_data(), e);
}
// Flattened C API
ADJUSTER new_fl_adjuster(int x, int y, int w, int h, char* label) {
My_Adjuster *a = new My_Adjuster(x, y, w, h, label);
return a;
}
void free_fl_adjuster(ADJUSTER a) {
delete reinterpret_cast<My_Adjuster*>(a);
}
int fl_adjuster_is_soft(ADJUSTER a) {
return reinterpret_cast<Fl_Adjuster*>(a)->soft();
}
void fl_adjuster_set_soft(ADJUSTER a, int t) {
reinterpret_cast<Fl_Adjuster*>(a)->soft(t);
}
void fl_adjuster_value_damage(ADJUSTER a) {
(reinterpret_cast<Fl_Adjuster*>(a)->*(&Friend_Adjuster::value_damage))();
}
void fl_adjuster_draw(ADJUSTER a) {
reinterpret_cast<My_Adjuster*>(a)->Fl_Adjuster::draw();
}
int fl_adjuster_handle(ADJUSTER a, int e) {
return reinterpret_cast<My_Adjuster*>(a)->Fl_Adjuster::handle(e);
}
|
