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
|
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QByteArray>
#include <QtCore/QDir>
#include <QtCore/QLibraryInfo>
#include <QtCore/QProcess>
#include <QtGui/QMessageBox>
#include "assistant.h"
Assistant::Assistant()
: proc(0)
{
}
//! [0]
Assistant::~Assistant()
{
if (proc && proc->state() == QProcess::Running) {
proc->terminate();
proc->waitForFinished(3000);
}
delete proc;
}
//! [0]
//! [1]
void Assistant::showDocumentation(const QString &page)
{
if (!startAssistant())
return;
QByteArray ba("SetSource ");
ba.append("qthelp://com.trolltech.examples.simpletextviewer/doc/");
proc->write(ba + page.toLocal8Bit() + '\n');
}
//! [1]
//! [2]
bool Assistant::startAssistant()
{
if (!proc)
proc = new QProcess();
if (proc->state() != QProcess::Running) {
QString app = QLibraryInfo::location(QLibraryInfo::BinariesPath) + QDir::separator();
#if !defined(Q_OS_MAC)
app += QLatin1String("assistant");
#else
app += QLatin1String("Assistant.app/Contents/MacOS/Assistant");
#endif
QStringList args;
args << QLatin1String("-collectionFile")
<< QLibraryInfo::location(QLibraryInfo::ExamplesPath)
+ QLatin1String("/help/simpletextviewer/documentation/simpletextviewer.qhc")
<< QLatin1String("-enableRemoteControl");
proc->start(app, args);
if (!proc->waitForStarted()) {
QMessageBox::critical(0, QObject::tr("Simple Text Viewer"),
QObject::tr("Unable to launch Qt Assistant (%1)").arg(app));
return false;
}
}
return true;
}
//! [2]
|
