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
204
205
206
207
|
-----------------------------------------------------------------------
-- GtkAda - Ada95 binding for the Gimp Toolkit --
-- --
-- Copyright (C) 1998-1999 --
-- Emmanuel Briot, Joel Brobecker and Arnaud Charlet --
-- Copyright 2000-2006 AdaCore --
-- --
-- This library is free software; you can redistribute it and/or --
-- modify it under the terms of the GNU General Public --
-- License as published by the Free Software Foundation; either --
-- version 2 of the License, or (at your option) any later version. --
-- --
-- This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
-- General Public License for more details. --
-- --
-- You should have received a copy of the GNU General Public --
-- License along with this library; if not, write to the --
-- Free Software Foundation, Inc., 59 Temple Place - Suite 330, --
-- Boston, MA 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from --
-- this unit, or you link this unit with other files to produce an --
-- executable, this unit does not by itself cause the resulting --
-- executable to be covered by the GNU General Public License. This --
-- exception does not however invalidate any other reasons why the --
-- executable file might be covered by the GNU Public License. --
-----------------------------------------------------------------------
with Glib; use Glib;
with Gtk.Box; use Gtk.Box;
with Gtk.Button; use Gtk.Button;
with Gtk.Enums; use Gtk.Enums;
with Gtk.Label; use Gtk.Label;
with Glib.Main; use Glib.Main;
with Gtk.Radio_Button; use Gtk.Radio_Button;
with Gtk.Handlers; use Gtk.Handlers;
with Gtk.Widget; use Gtk.Widget;
with Gtk; use Gtk;
with Common; use Common;
package body Create_Test_Idle is
package Label_Idle is new Glib.Main.Generic_Sources (Gtk_Label);
type My_Button_Record is new Gtk_Radio_Button_Record with record
Value : Gtk_Resize_Mode;
end record;
type My_Button is access all My_Button_Record'Class;
package My_Button_Cb is new Handlers.User_Callback
(My_Button_Record, Gtk_Box);
Idle : G_Source_Id;
Count : Integer := 0;
----------
-- Help --
----------
function Help return String is
begin
return "An idle function is a function that is run every time GtkAda is"
& " not busy processing an event. No commitment is made as to when"
& " this will next happen.";
end Help;
---------------
-- Idle_Test --
---------------
function Idle_Test (Label : in Gtk_Label) return Boolean is
begin
Count := Count + 1;
Set_Text (Label, "count:" & Integer'Image (Count));
return True;
end Idle_Test;
---------------
-- Stop_Idle --
---------------
procedure Stop_Idle (Object : access Gtk_Widget_Record'Class) is
pragma Warnings (Off, Object);
begin
if Idle /= 0 then
Remove (Idle);
Idle := 0;
end if;
end Stop_Idle;
------------------
-- Destroy_Idle --
------------------
procedure Destroy_Idle (Window : access Gtk_Widget_Record'Class) is
begin
Stop_Idle (Window);
end Destroy_Idle;
----------------
-- Start_Idle --
----------------
procedure Start_Idle (Label : access Gtk_Label_Record'Class) is
begin
if Idle = 0 then
Idle := Label_Idle.Idle_Add (Idle_Test'Access, Gtk_Label (Label));
end if;
end Start_Idle;
----------------------
-- Toggle_Container --
----------------------
procedure Toggle_Container (Button : access My_Button_Record'Class;
Contain : in Gtk_Box) is
begin
Set_Resize_Mode (Contain, Button.Value);
end Toggle_Container;
---------
-- Run --
---------
procedure Run (Frame : access Gtk.Frame.Gtk_Frame_Record'Class) is
Button : Gtk_Button;
Box : Gtk_Box;
Label : Gtk_Label;
Container : Gtk_Box;
Frame2 : Gtk_Frame;
Myb : My_Button;
Gr : Widget_SList.GSlist;
Vbox : Gtk_Box;
begin
Set_Label (Frame, "Test Idle");
Gtk_New_Vbox (Vbox, Homogeneous => False, Spacing => 0);
Add (Frame, Vbox);
Widget_Handler.Connect
(Vbox, "destroy",
Widget_Handler.To_Marshaller (Destroy_Idle'Access));
Gtk_New (Label, "count : " & Integer'Image (Count));
Set_Padding (Label, 10, 10);
Gtk_New_Hbox (Container, False, 0);
Pack_Start (Container, Label, False, False, 0);
Pack_Start (Vbox, Container, False, False, 0);
Gtk_New (Frame2);
Set_Border_Width (Frame2, 5);
Pack_Start (Vbox, Frame2, False, False);
Gtk_New_Vbox (Box, False, 0);
Add (Frame2, Box);
Myb := new My_Button_Record;
Initialize (Myb, Widget_SList.Null_List, "Resize-Parent");
Myb.Value := Resize_Parent;
My_Button_Cb.Connect
(Myb, "clicked",
My_Button_Cb.To_Marshaller (Toggle_Container'Access), Container);
Pack_Start (Box, Myb, False, False, 0);
Gr := Get_Group (Myb);
Myb := new My_Button_Record;
Initialize (Myb, Gr, "Resize-Queue");
Myb.Value := Resize_Queue;
My_Button_Cb.Connect
(Myb, "clicked",
My_Button_Cb.To_Marshaller (Toggle_Container'Access), Container);
Pack_Start (Box, Myb, False, False, 0);
Gr := Get_Group (Myb);
Myb := new My_Button_Record;
Initialize (Myb, Gr, "Resize-Immediate");
Myb.Value := Resize_Immediate;
My_Button_Cb.Connect
(Myb, "clicked",
My_Button_Cb.To_Marshaller (Toggle_Container'Access), Container);
Pack_Start (Box, Myb, False, False, 0);
Gtk_New (Button, "start");
Label_Handler.Object_Connect
(Button, "clicked",
Label_Handler.To_Marshaller (Start_Idle'Access),
Slot_Object => Label);
Set_Flags (Button, Can_Default);
Pack_Start (Vbox, Button, False, False, 0);
Gtk_New (Button, "stop");
Widget_Handler.Object_Connect
(Button, "clicked",
Widget_Handler.To_Marshaller (Destroy_Idle'Access),
Slot_Object => Vbox);
Set_Flags (Button, Can_Default);
Pack_Start (Vbox, Button, False, False, 0);
Show_All (Frame);
end Run;
end Create_Test_Idle;
|
