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6** This file is part of the demonstration applications of the Qt Toolkit.
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50
51#include <QDebug>
52#include <QDir>
53
54#include "demoapplication.h"
55
56
57
58DemoApplication::DemoApplication(QString executableName, QString caption, QString imageName, QStringList args)
59{
60 imagePath = imageName;
61 appCaption = caption;
62
63 if (executableName[0] == QLatin1Char('/'))
64 executablePath = executableName;
65 else
66 executablePath = QDir::cleanPath(path: QDir::currentPath() + QLatin1Char('/') + executableName);
67
68#ifdef WIN32
69 if (!executablePath.endsWith(QLatin1String(".exe")))
70 executablePath.append(QLatin1String(".exe"));
71#endif
72
73 arguments = args;
74
75 process.setProcessChannelMode(QProcess::ForwardedChannels);
76
77 QObject::connect( sender: &process, SIGNAL(finished(int,QProcess::ExitStatus)),
78 receiver: this, SLOT(processFinished(int,QProcess::ExitStatus)));
79
80 QObject::connect( sender: &process, SIGNAL(error(QProcess::ProcessError)),
81 receiver: this, SLOT(processError(QProcess::ProcessError)));
82
83 QObject::connect( sender: &process, SIGNAL(started()), receiver: this, SLOT(processStarted()));
84}
85
86
87void DemoApplication::launch()
88{
89 process.start(program: executablePath, arguments);
90}
91
92QImage DemoApplication::getImage() const
93{
94 if (imagePath.isEmpty())
95 return QImage();
96
97 // in local dir?
98 QImage result(imagePath);
99 if (!result.isNull())
100 return result;
101
102 // provided by qrc
103 result = QImage(QString(":/fluidlauncher/%1").arg(a: imagePath));
104 return result;
105}
106
107QString DemoApplication::getCaption()
108{
109 return appCaption;
110}
111
112void DemoApplication::processFinished(int exitCode, QProcess::ExitStatus exitStatus)
113{
114 Q_UNUSED(exitCode);
115 Q_UNUSED(exitStatus);
116
117 emit demoFinished();
118
119 QObject::disconnect(sender: this, SIGNAL(demoStarted()), receiver: 0, member: 0);
120 QObject::disconnect(sender: this, SIGNAL(demoFinished()), receiver: 0, member: 0);
121}
122
123void DemoApplication::processError(QProcess::ProcessError err)
124{
125 qDebug() << "Process error: " << err;
126 if (err == QProcess::Crashed)
127 emit demoFinished();
128}
129
130
131void DemoApplication::processStarted()
132{
133 emit demoStarted();
134}
135
136
137
138
139
140
141

source code of qtsvg/examples/svg/embedded/fluidlauncher/demoapplication.cpp