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
|
#include "testC.h"
#include "ace/Get_Opt.h"
#include "ace/Argv_Type_Converter.h"
#include "tao/QtResource/QtResource_Loader.h"
#include "client.h"
int
ACE_TMAIN(int argc, ACE_TCHAR *argv[])
{
ACE_Argv_Type_Converter ct (argc, argv);
QApplication app (argc, ct.get_ASCII_argv ());
TAO::QtResource_Loader qt_resources (&app);
try
{
CORBA::ORB_var orb =
CORBA::ORB_init (argc, argv);
Client client (orb.in (), app);
client.parse_args (argc, argv);
// Creates the Qt widgets
client.create_widgets ();
// This may look a bit suspect, but Qt wants the manager widget
// as the toplevel widget unlike Xt for display purposes.
app.setActiveWindow (&(client.mainwindow_));
// Show them on Screen
client.show ();
app.exec ();
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Caught exception:");
return 1;
}
return 0;
}
Client::Client (CORBA::ORB_ptr orb,
QApplication &qapp)
: orb_ (CORBA::ORB::_duplicate (orb)),
qapp_ (&qapp)
{
}
Client::~Client (void)
{
delete this->slider_;
delete this->push_button_;
}
void
Client::parse_args (int argc,
ACE_TCHAR *argv[])
{
const ACE_TCHAR *ior = ACE_TEXT("file://test.ior");
ACE_Get_Opt get_opts (argc, argv, ACE_TEXT("k:"));
int c;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'k':
ior = get_opts.opt_arg ();
break;
case '?':
default:
ACE_ERROR ((LM_ERROR,
"usage: %s "
"-k <ior> "
"\n",
argv [0]));
}
CORBA::Object_var object =
this->orb_->string_to_object (ior);
this->server_ =
LCD_Display::_narrow (object.in ());
if (CORBA::is_nil(this->server_.in ()))
{
ACE_DEBUG ((LM_DEBUG,
"\n The server value is nil "));
}
}
void
Client::create_widgets (/**/)
{
// Ewsize the box
this->mainwindow_.resize (200,120);
this->mainwindow_.setWindowTitle("QtClient");
// Make a pushbutton widget
ACE_NEW (this->push_button_,
QPushButton ("Quit"));
box_.addWidget(this->push_button_);
// Connect the click () SIGNAL routine with the SLOT handler that we
// have defined
QObject::connect (this->push_button_,
SIGNAL (clicked()),
this,
SLOT (shutdown_call ()));
// Create a slider widget
ACE_NEW (this->slider_,
QSlider (Qt::Horizontal));
// Add resource for the slider
this->slider_->setRange (0, 99);
this->slider_->setValue (0);
box_.addWidget(this->slider_);
// Connect the valuechanged SIGNAL routine with the slot that we
// have defined. THe slot routine would invoke the remote call.
QObject::connect (this->slider_,
SIGNAL (valueChanged (int)),
this,
SLOT (remote_call (int)));
this->mainwindow_.setLayout(&box_);
}
void
Client::show (void)
{
this->mainwindow_.show ();
}
void
Client::remote_call (int val)
{
this->server_->send_val (val);
}
void
Client::shutdown_call (void)
{
this->server_->shutdown ();
}
|
