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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
with
Interfaces.C.Strings,
System;
use type
System.Address;
package body FLTK.Widgets.Valuators.Sliders.Scrollbars is
procedure scrollbar_set_draw_hook
(W, D : in System.Address);
pragma Import (C, scrollbar_set_draw_hook, "scrollbar_set_draw_hook");
pragma Inline (scrollbar_set_draw_hook);
procedure scrollbar_set_handle_hook
(W, H : in System.Address);
pragma Import (C, scrollbar_set_handle_hook, "scrollbar_set_handle_hook");
pragma Inline (scrollbar_set_handle_hook);
function new_fl_scrollbar
(X, Y, W, H : in Interfaces.C.int;
Text : in Interfaces.C.char_array)
return System.Address;
pragma Import (C, new_fl_scrollbar, "new_fl_scrollbar");
pragma Inline (new_fl_scrollbar);
procedure free_fl_scrollbar
(D : in System.Address);
pragma Import (C, free_fl_scrollbar, "free_fl_scrollbar");
pragma Inline (free_fl_scrollbar);
function fl_scrollbar_get_linesize
(S : in System.Address)
return Interfaces.C.int;
pragma Import (C, fl_scrollbar_get_linesize, "fl_scrollbar_get_linesize");
pragma Inline (fl_scrollbar_get_linesize);
procedure fl_scrollbar_set_linesize
(S : in System.Address;
T : in Interfaces.C.int);
pragma Import (C, fl_scrollbar_set_linesize, "fl_scrollbar_set_linesize");
pragma Inline (fl_scrollbar_set_linesize);
function fl_scrollbar_get_value
(S : in System.Address)
return Interfaces.C.int;
pragma Import (C, fl_scrollbar_get_value, "fl_scrollbar_get_value");
pragma Inline (fl_scrollbar_get_value);
procedure fl_scrollbar_set_value
(S : in System.Address;
T : in Interfaces.C.int);
pragma Import (C, fl_scrollbar_set_value, "fl_scrollbar_set_value");
pragma Inline (fl_scrollbar_set_value);
procedure fl_scrollbar_set_value2
(S : in System.Address;
P, W, F, T : in Interfaces.C.int);
pragma Import (C, fl_scrollbar_set_value2, "fl_scrollbar_set_value2");
pragma Inline (fl_scrollbar_set_value2);
procedure fl_scrollbar_draw
(W : in System.Address);
pragma Import (C, fl_scrollbar_draw, "fl_scrollbar_draw");
pragma Inline (fl_scrollbar_draw);
function fl_scrollbar_handle
(W : in System.Address;
E : in Interfaces.C.int)
return Interfaces.C.int;
pragma Import (C, fl_scrollbar_handle, "fl_scrollbar_handle");
pragma Inline (fl_scrollbar_handle);
procedure Finalize
(This : in out Scrollbar) is
begin
if This.Void_Ptr /= System.Null_Address and then
This in Scrollbar'Class
then
free_fl_scrollbar (This.Void_Ptr);
This.Void_Ptr := System.Null_Address;
end if;
Finalize (Slider (This));
end Finalize;
package body Forge is
function Create
(X, Y, W, H : in Integer;
Text : in String := "")
return Scrollbar is
begin
return This : Scrollbar do
This.Void_Ptr := new_fl_scrollbar
(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));
scrollbar_set_draw_hook (This.Void_Ptr, Draw_Hook'Address);
scrollbar_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;
function Get_Line_Size
(This : in Scrollbar)
return Natural is
begin
return Natural (fl_scrollbar_get_linesize (This.Void_Ptr));
end Get_Line_Size;
procedure Set_Line_Size
(This : in out Scrollbar;
To : in Natural) is
begin
fl_scrollbar_set_linesize (This.Void_Ptr, Interfaces.C.int (To));
end Set_Line_Size;
function Get_Position
(This : in Scrollbar)
return Natural is
begin
return Natural (fl_scrollbar_get_value (This.Void_Ptr));
end Get_Position;
procedure Set_Position
(This : in out Scrollbar;
To : in Natural) is
begin
fl_scrollbar_set_value (This.Void_Ptr, Interfaces.C.int (To));
end Set_Position;
procedure Set_All
(This : in out Scrollbar;
Position : in Natural;
Win_Size : in Natural;
First_Line : in Natural;
Total_Lines : in Natural) is
begin
fl_scrollbar_set_value2
(This.Void_Ptr,
Interfaces.C.int (Position),
Interfaces.C.int (Win_Size),
Interfaces.C.int (First_Line),
Interfaces.C.int (Total_Lines));
end Set_All;
procedure Draw
(This : in out Scrollbar) is
begin
fl_scrollbar_draw (This.Void_Ptr);
end Draw;
function Handle
(This : in out Scrollbar;
Event : in Event_Kind)
return Event_Outcome is
begin
return Event_Outcome'Val
(fl_scrollbar_handle (This.Void_Ptr, Event_Kind'Pos (Event)));
end Handle;
end FLTK.Widgets.Valuators.Sliders.Scrollbars;
|
