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
125
126
127
128
129
130
131
132
133
134
|
with Interfaces.C;
with System;
use type System.Address;
package body FLTK.Widgets.Buttons is
procedure button_set_draw_hook
(W, D : in System.Address);
pragma Import (C, button_set_draw_hook, "button_set_draw_hook");
procedure fl_button_draw
(W : in System.Address);
pragma Import (C, fl_button_draw, "fl_button_draw");
function new_fl_button
(X, Y, W, H : in Interfaces.C.int;
Text : in Interfaces.C.char_array)
return System.Address;
pragma Import (C, new_fl_button, "new_fl_button");
procedure free_fl_button
(B : in System.Address);
pragma Import (C, free_fl_button, "free_fl_button");
function fl_button_get_state
(B : in System.Address)
return Interfaces.C.int;
pragma Import (C, fl_button_get_state, "fl_button_get_state");
procedure fl_button_set_state
(B : in System.Address;
S : in Interfaces.C.int);
pragma Import (C, fl_button_set_state, "fl_button_set_state");
procedure fl_button_set_only
(B : in System.Address);
pragma Import (C, fl_button_set_only, "fl_button_set_only");
procedure Draw_Hook (U : in System.Address);
pragma Convention (C, Draw_Hook);
procedure Draw_Hook
(U : in System.Address)
is
Ada_Button : access Button'Class :=
Button_Convert.To_Pointer (U);
begin
Ada_Button.Draw;
end Draw_Hook;
procedure Draw
(This : in out Button) is
begin
fl_button_draw (This.Void_Ptr);
end Draw;
procedure Finalize
(This : in out Button) is
begin
Finalize (Widget (This));
if This.Void_Ptr /= System.Null_Address then
if This in Button then
free_fl_button (This.Void_Ptr);
end if;
end if;
end Finalize;
function Create
(X, Y, W, H : in Integer;
Text : in String)
return Button is
begin
return This : Button do
This.Void_Ptr := new_fl_button
(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));
button_set_draw_hook (This.Void_Ptr, Draw_Hook'Address);
end return;
end Create;
function Get_State
(This : in Button)
return State is
begin
return State'Val (fl_button_get_state (This.Void_Ptr));
end Get_State;
procedure Set_State
(This : in out Button;
St : in State) is
begin
fl_button_set_state (This.Void_Ptr, State'Pos (St));
end Set_State;
procedure Set_Only
(This : in out Button) is
begin
fl_button_set_only (This.Void_Ptr);
end Set_Only;
end FLTK.Widgets.Buttons;
|
