summaryrefslogtreecommitdiff
path: root/src/fltk-widgets-boxes.adb
blob: c8ef70b8be115c889b102f78a53b08b62444c0c8 (plain)
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


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");

    procedure box_set_handle_hook
           (W, H : in System.Address);
    pragma Import (C, box_set_handle_hook, "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");

    procedure free_fl_box
           (B : in System.Address);
    pragma Import (C, free_fl_box, "free_fl_box");




    procedure fl_box_draw
           (W : in System.Address);
    pragma Import (C, fl_box_draw, "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");




    procedure Finalize
           (This : in out Box) is
    begin
        if  This.Void_Ptr /= System.Null_Address and then
            This in Box'Class
        then
            free_fl_box (This.Void_Ptr);
            This.Void_Ptr := System.Null_Address;
        end if;
        Finalize (Widget (This));
    end Finalize;




    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);
        end return;
    end Create;




    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;