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
|
with
Interfaces.C,
System;
use type
System.Address;
package body FLTK.Widgets.Boxes is
procedure box_set_draw_hook
(W, D : in System.Address);
pragma Import (C, box_set_draw_hook, "box_set_draw_hook");
pragma Inline (box_set_draw_hook);
procedure box_set_handle_hook
(W, H : in System.Address);
pragma Import (C, box_set_handle_hook, "box_set_handle_hook");
pragma Inline (box_set_handle_hook);
function new_fl_box
(X, Y, W, H : in Interfaces.C.int;
Text : in Interfaces.C.char_array)
return System.Address;
pragma Import (C, new_fl_box, "new_fl_box");
pragma Inline (new_fl_box);
procedure free_fl_box
(B : in System.Address);
pragma Import (C, free_fl_box, "free_fl_box");
pragma Inline (free_fl_box);
procedure fl_box_draw
(W : in System.Address);
pragma Import (C, fl_box_draw, "fl_box_draw");
pragma Inline (fl_box_draw);
function fl_box_handle
(W : in System.Address;
E : in Interfaces.C.int)
return Interfaces.C.int;
pragma Import (C, fl_box_handle, "fl_box_handle");
pragma Inline (fl_box_handle);
procedure Finalize
(This : in out Box) is
begin
if This.Void_Ptr /= System.Null_Address and then
This in Box'Class
then
if This.Needs_Dealloc then
free_fl_box (This.Void_Ptr);
end if;
This.Void_Ptr := System.Null_Address;
end if;
Finalize (Widget (This));
end Finalize;
package body Forge is
function Create
(X, Y, W, H : in Integer;
Text : in String := "")
return Box is
begin
return This : Box do
This.Void_Ptr := new_fl_box
(Interfaces.C.int (X),
Interfaces.C.int (Y),
Interfaces.C.int (W),
Interfaces.C.int (H),
Interfaces.C.To_C (Text));
fl_widget_set_user_data
(This.Void_Ptr,
Widget_Convert.To_Address (This'Unchecked_Access));
box_set_draw_hook (This.Void_Ptr, Draw_Hook'Address);
box_set_handle_hook (This.Void_Ptr, Handle_Hook'Address);
fl_widget_set_label (This.Void_Ptr, Interfaces.C.To_C (Text));
end return;
end Create;
end Forge;
procedure Draw
(This : in out Box) is
begin
fl_box_draw (This.Void_Ptr);
end Draw;
function Handle
(This : in out Box;
Event : in Event_Kind)
return Event_Outcome is
begin
return Event_Outcome'Val
(fl_box_handle (This.Void_Ptr, Event_Kind'Pos (Event)));
end Handle;
end FLTK.Widgets.Boxes;
|
