QProcess Class Reference

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Detailed Description

Definition at line 98 of file qprocess.h.

#include <qprocess.h>

Inheritance diagram for QProcess:

List of all members.

Public Types
enum	ProcessError {   FailedToStart, Crashed, Timedout, ReadError,   WriteError, UnknownError }
enum	ProcessState { NotRunning, Starting, Running }
enum	ProcessChannel { StandardOutput, StandardError }
enum	ProcessChannelMode { SeparateChannels, MergedChannels, ForwardedChannels }
enum	ExitStatus { NormalExit, CrashExit }
Public Slots
void	terminate ()
void	kill ()
Signals
void	started ()
void	finished (int exitCode)
void	finished (int exitCode, QProcess::ExitStatus exitStatus)
void	error (QProcess::ProcessError error)
void	stateChanged (QProcess::ProcessState state)
void	readyReadStandardOutput ()
void	readyReadStandardError ()
Public Member Functions
	QProcess (QObject *parent=0)
virtual	~QProcess ()
void	start (const QString &program, const QStringList &arguments, OpenMode mode=ReadWrite)
void	start (const QString &program, OpenMode mode=ReadWrite)
ProcessChannelMode	readChannelMode () const
void	setReadChannelMode (ProcessChannelMode mode)
ProcessChannelMode	processChannelMode () const
void	setProcessChannelMode (ProcessChannelMode mode)
ProcessChannel	readChannel () const
void	setReadChannel (ProcessChannel channel)
void	closeReadChannel (ProcessChannel channel)
void	closeWriteChannel ()
void	setStandardInputFile (const QString &fileName)
void	setStandardOutputFile (const QString &fileName, OpenMode mode=Truncate)
void	setStandardErrorFile (const QString &fileName, OpenMode mode=Truncate)
void	setStandardOutputProcess (QProcess *destination)
QString	workingDirectory () const
void	setWorkingDirectory (const QString &dir)
void	setEnvironment (const QStringList &environment)
QStringList	environment () const
void	setProcessEnvironment (const QProcessEnvironment &environment)
QProcessEnvironment	processEnvironment () const
QProcess::ProcessError	error () const
QProcess::ProcessState	state () const
Q_PID	pid () const
bool	waitForStarted (int msecs=30000)
bool	waitForReadyRead (int msecs=30000)
bool	waitForBytesWritten (int msecs=30000)
bool	waitForFinished (int msecs=30000)
QByteArray	readAllStandardOutput ()
QByteArray	readAllStandardError ()
int	exitCode () const
QProcess::ExitStatus	exitStatus () const
qint64	bytesAvailable () const
qint64	bytesToWrite () const
bool	isSequential () const
bool	canReadLine () const
void	close ()
bool	atEnd () const
Static Public Member Functions
static int	execute (const QString &program, const QStringList &arguments)
static int	execute (const QString &program)
static bool	startDetached (const QString &program, const QStringList &arguments, const QString &workingDirectory, qint64 *pid=0)
static bool	startDetached (const QString &program, const QStringList &arguments)
static bool	startDetached (const QString &program)
static QStringList	systemEnvironment ()
Protected Member Functions
void	setProcessState (ProcessState state)
virtual void	setupChildProcess ()
qint64	readData (char *data, qint64 maxlen)
qint64	writeData (const char *data, qint64 len)

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Member Enumeration Documentation

enum ProcessError

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Enumerator:

FailedToStart	Search for all occurrences
Crashed	Search for all occurrences
Timedout	Search for all occurrences
ReadError	Search for all occurrences
WriteError	Search for all occurrences
UnknownError	Search for all occurrences

Definition at line 102 of file qprocess.h.

                      {
        FailedToStart, //### file not found, resource error
        Crashed,
        Timedout,
        ReadError,
        WriteError,
        UnknownError
    };

enum ProcessState

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Enumerator:

NotRunning	Search for all occurrences
Starting	Search for all occurrences
Running	Search for all occurrences

Definition at line 110 of file qprocess.h.

                      {
        NotRunning,
        Starting,
        Running
    };

enum ProcessChannel

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Enumerator:

StandardOutput	Search for all occurrences
StandardError	Search for all occurrences

Definition at line 115 of file qprocess.h.

                        {
        StandardOutput,
        StandardError
    };

enum ProcessChannelMode

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Enumerator:

SeparateChannels	Search for all occurrences
MergedChannels	Search for all occurrences
ForwardedChannels	Search for all occurrences

Definition at line 119 of file qprocess.h.

                            {
        SeparateChannels,
        MergedChannels,
        ForwardedChannels
    };

enum ExitStatus

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Enumerator:

NormalExit	Search for all occurrences
CrashExit	Search for all occurrences

Definition at line 124 of file qprocess.h.

                    {
        NormalExit,
        CrashExit
    };

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Constructor & Destructor Documentation

QProcess

(

QObject *

parent = 0

)

[explicit]

virtual ~QProcess

(

)

[virtual]

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Member Function Documentation

void start	(	const QString &	program,
		const QStringList &	arguments,
		OpenMode	mode = ReadWrite
	)

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void start	(	const QString &	program,
		OpenMode	mode = ReadWrite
	)

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ProcessChannelMode readChannelMode

(

)

const

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void setReadChannelMode

(

ProcessChannelMode

mode

)

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ProcessChannelMode processChannelMode

(

)

const

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void setProcessChannelMode

(

ProcessChannelMode

mode

)

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ProcessChannel readChannel

(

)

const

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void setReadChannel

(

ProcessChannel

channel

)

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void closeReadChannel

(

ProcessChannel

channel

)

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void closeWriteChannel

(

)

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void setStandardInputFile

(

const QString &

fileName

)

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void setStandardOutputFile	(	const QString &	fileName,
		OpenMode	mode = Truncate
	)

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void setStandardErrorFile	(	const QString &	fileName,
		OpenMode	mode = Truncate
	)

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void setStandardOutputProcess

(

QProcess *

destination

)

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QString workingDirectory

(

)

const

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void setWorkingDirectory

(

const QString &

dir

)

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void setEnvironment

(

const QStringList &

environment

)

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QStringList environment

(

)

const

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void setProcessEnvironment

(

const QProcessEnvironment &

environment

)

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QProcessEnvironment processEnvironment

(

)

const

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QProcess::ProcessError error

(

)

const

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QProcess::ProcessState state

(

)

const

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Q_PID pid

(

)

const

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bool waitForStarted

(

int

msecs = 30000

)

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bool waitForReadyRead

(

int

msecs = 30000

)

[virtual]

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Reimplemented from QIODevice.

bool waitForBytesWritten

(

int

msecs = 30000

)

[virtual]

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Reimplemented from QIODevice.

bool waitForFinished

(

int

msecs = 30000

)

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QByteArray readAllStandardOutput

(

)

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QByteArray readAllStandardError

(

)

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int exitCode

(

)

const

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QProcess::ExitStatus exitStatus

(

)

const

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qint64 bytesAvailable

(

)

const [virtual]

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Reimplemented from QIODevice.

qint64 bytesToWrite

(

)

const [virtual]

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Reimplemented from QIODevice.

bool isSequential

(

)

const [virtual]

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Reimplemented from QIODevice.

bool canReadLine

(

)

const [virtual]

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Reimplemented from QIODevice.

void close

(

)

[virtual]

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Reimplemented from QIODevice.

bool atEnd

(

)

const [virtual]

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Reimplemented from QIODevice.

static int execute	(	const QString &	program,
		const QStringList &	arguments
	)		[static]

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static int execute

(

const QString &

program

)

[static]

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static bool startDetached	(	const QString &	program,
		const QStringList &	arguments,
		const QString &	workingDirectory,
		qint64 *	pid = 0
	)		[static]

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static bool startDetached	(	const QString &	program,
		const QStringList &	arguments
	)		[static]

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static bool startDetached

(

const QString &

program

)

[static]

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static QStringList systemEnvironment

(

)

[static]

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void terminate

(

)

[slot]

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void kill

(

)

[slot]

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void started

(

)

[signal]

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void finished

(

int

exitCode

)

[signal]

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void finished	(	int	exitCode,
		QProcess::ExitStatus	exitStatus
	)		[signal]

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void error

(

QProcess::ProcessError

error

)

[signal]

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void stateChanged

(

QProcess::ProcessState

state

)

[signal]

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void readyReadStandardOutput

(

)

[signal]

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void readyReadStandardError

(

)

[signal]

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void setProcessState

(

ProcessState

state

)

[protected]

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virtual void setupChildProcess

(

)

[protected, virtual]

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qint64 readData	(	char *	data,
		qint64	maxlen
	)		[protected, virtual]

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Implements QIODevice.

qint64 writeData	(	const char *	data,
		qint64	len
	)		[protected, virtual]

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Implements QIODevice.

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The documentation for this class was generated from the following file:

• QtCore/qprocess.h