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
|
// Programmed by Jedidiah Barber
// Released into the public domain
#include <FL/Fl_Pack.H>
#include "c_fl_pack.h"
// Exports from Ada
extern "C" void widget_draw_hook(void * ud);
extern "C" int widget_handle_hook(void * ud, int e);
// Attaching all relevant hooks and friends
class My_Pack : public Fl_Pack {
public:
using Fl_Pack::Fl_Pack;
friend void fl_pack_draw(PACK n);
friend int fl_pack_handle(PACK n, int e);
void draw();
int handle(int e);
};
void My_Pack::draw() {
widget_draw_hook(this->user_data());
}
int My_Pack::handle(int e) {
return widget_handle_hook(this->user_data(), e);
}
// Flattened C API
PACK new_fl_pack(int x, int y, int w, int h, char* label) {
My_Pack *b = new My_Pack(x, y, w, h, label);
return b;
}
void free_fl_pack(PACK p) {
delete reinterpret_cast<My_Pack*>(p);
}
int fl_pack_get_spacing(PACK p) {
return reinterpret_cast<Fl_Pack*>(p)->spacing();
}
void fl_pack_set_spacing(PACK p, int t) {
reinterpret_cast<Fl_Pack*>(p)->spacing(t);
}
void fl_pack_draw(PACK n) {
reinterpret_cast<My_Pack*>(n)->Fl_Pack::draw();
}
int fl_pack_handle(PACK n, int e) {
return reinterpret_cast<My_Pack*>(n)->Fl_Pack::handle(e);
}
|
