# kio Library API Documentation

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# KRun Class Reference

To open files with their associated applications in KDE, use KRun. Opens files with their associated applications in KDE. More...

`#include <krun.h>`

Inheritance diagram for KRun:

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Collaboration diagram for KRun:

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List of all members.

## Signals

void | finished ()
void | error ()

## Public Member Functions

| KRun (const KURL &url, mode_t mode=0, bool isLocalFile=false, bool showProgressInfo=true)
| Create a KRun object to run the preferred application for a file/URL.
virtual | ~KRun ()
| Destructor.
void | abort ()
| Abort this KRun.
bool | hasError () const
bool | hasFinished () const
bool | autoDelete () const
| By default auto deletion is on.
void | setAutoDelete (bool b)
void | setPreferredService (const QString &desktopEntryName)
| Set the preferred service for opening this URL, after its mimetype will have been found by KRun.

## Static Public Member Functions

pid_t | run (const KService &_service, const KURL::List &_urls, bool tempFiles)
| Open a list of URLs with a certain service (application).
pid_t | run (const KService &_service, const KURL::List &_urls)
pid_t | run (const QString &_exec, const KURL::List &_urls, const QString &_name=QString::null, const QString &_icon=QString::null, const QString &_obsolete1=QString::null, const QString &_obsolete2=QString::null)
| Open a list of URLs with.
pid_t | runURL (const KURL &_url, const QString &_mimetype, bool tempFile)
| Open the given URL.
pid_t | runURL (const KURL &_url, const QString &_mimetype)
pid_t | runCommand (QString cmd)
| Run the given shell command and notifies kicker of the starting of the application.
pid_t | runCommand (const QString &cmd, const QString &execName, const QString &icon)
| Same as the other runCommand, but it also takes the name of the binary, to display an error message in case it couldn't find it.
bool | displayOpenWithDialog (const KURL::List &lst, bool tempFiles)
| Display the Open-With dialog for those URLs, and run the chosen application.
bool | displayOpenWithDialog (const KURL::List &lst)
void | shellQuote (QString &_str)
| Quotes a string for the shell.
QStringList | processDesktopExec (const KService &_service, const KURL::List &_urls, bool has_shell, bool tempFiles)
| Processes a Exec= line as found in .desktop files.
QStringList | processDesktopExec (const KService &_service, const KURL::List &_urls, bool has_shell)
QString | binaryName (const QString &execLine, bool removePath)
| Given a full command line (e.g.

## Protected Slots

void | slotTimeout ()
void | slotScanFinished (KIO::Job *)
void | slotScanMimeType (KIO::Job *, const QString &type)
virtual void | slotStatResult (KIO::Job *)

## Protected Member Functions

virtual void | init ()
virtual void | scanFile ()
virtual void | foundMimeType (const QString &_type)
| Called if the mimetype has been detected.
virtual void | killJob ()
virtual void | virtual_hook (int id, void *data)

## Protected Attributes

KURL | m_strURL
bool | m_bFault
bool | m_bAutoDelete
bool | m_bProgressInfo
bool | m_bFinished
KIO::Job * | m_job
QTimer | m_timer
bool | m_bScanFile
| Used to indicate that the next action is to scan the file.
bool | m_bIsDirectory
bool | m_bInit
| USed to indicate that the next action is to initialize.
bool | m_bIsLocalFile
mode_t | m_mode

## Detailed Description

To open files with their associated applications in KDE, use KRun. Opens files with their associated applications in KDE.

It can execute any desktop entry, as well as any file, using the default application or another application "bound" to the file type.

In that example, the mimetype of the file is not known by the application, so a KRun instance must be created. It will determine the mimetype by itself. If the mimetype is known, or if you even know the service (application) to use for this file, use one of the static methods.

Definition at line 52 of file krun.h.

## Constructor & Destructor Documentation

KRun::KRun | ( | const KURL & | url,
|  | mode_t | mode = 0,
|  | bool | isLocalFile = false,
|  | bool | showProgressInfo = true
| ) |

Create a KRun object to run the preferred application for a file/URL.

KRun will first determine the type of the file, and will then run the associated application.

Parameters:

  url | the URL of the file or directory to 'run'
  mode | The `st_mode` field of `struct stat`. If you don't know this set it to 0.
  isLocalFile | If this parameter is set to `false` then `url` is examined to find out whether it is a local URL or not. This flag is just used to improve speed, since the function KURL::isLocalFile is a bit slow.
  showProgressInfo | Whether to show progress information when determining the type of the file (i.e. when using KIO::stat and KIO::mimetype) Before you set this to false to avoid a dialog box, think about a very slow FTP server... It is always better to provide progress info in such cases.

Definition at line 737 of file krun.cpp.

References QObject::connect(), m_bInit, m_bScanFile, and QTimer::start().

KRun::~KRun | ( |  | ) | `[virtual]`

| Destructor. Don't call it yourself, since a KRun object auto-deletes itself. Definition at line 857 of file krun.cpp. References QTimer::stop().

## Member Function Documentation

void KRun::abort | ( |  | ) |

| Abort this KRun. This kills any jobs launched by it, and leads to deletion if auto-deletion is on. This is much safer than deleting the KRun (in case it's currently showing an error dialog box, for instance) Definition at line 1119 of file krun.cpp. References QTimer::start().

bool KRun::autoDelete | ( |  | ) | const`[inline]`

| By default auto deletion is on. Definition at line 102 of file krun.h.

void KRun::setPreferredService | ( | const QString & | desktopEntryName | ) |

Set the preferred service for opening this URL, after its mimetype will have been found by KRun.

IMPORTANT: the service is only used if its configuration says it can handle this mimetype. This is used for instance for the X-KDE-LastOpenedWith key, for the recent documents list.

Parameters:

  desktopEntryName | the desktopEntryName of the service, e.g. "kate".

Definition at line 1134 of file krun.cpp.

pid_t KRun::run | ( | const KService & | _service,
|  | const KURL::List & | _urls,
|  | bool | tempFiles
| ) | `[static]`

Open a list of URLs with a certain service (application).

Parameters:

  _service | the service to run
  _urls | the list of URLs, can be empty (app launched without argument)
  tempFiles | if true and _urls are local files, they will be deleted when the application exits.

Returns:
  the process id, or 0 on error

Definition at line 664 of file krun.cpp.

References KRecentDocument::add(), QValueList< KURL >::begin(), QValueList< KURL >::ConstIterator(), KService::desktopEntryName(), KService::desktopEntryPath(), QValueList< KURL >::end(), QValueList< KURL >::first(), KDesktopFile::isAuthorizedDesktopFile(), QValueList< KURL >::isEmpty(), QString::isEmpty(), KMessageBox::sorry(), KApplication::startServiceByDesktopPath(), and KURL::List::toStringList().

Referenced by displayOpenWithDialog(), KFileOpenWithHandler::displayOpenWithDialog(), KDEDesktopMimeType::executeService(), foundMimeType(), run(), and runURL().

pid_t KRun::run | ( | const QString & | _exec,
|  | const KURL::List & | _urls,
|  | const QString & | _name = QString::null,
|  | const QString & | _icon = QString::null,
|  | const QString & | _obsolete1 = QString::null,
|  | const QString & | _obsolete2 = QString::null
| ) | `[static]`

Open a list of URLs with.

Parameters:

  _exec | The name of the executable, for example "/usr/bin/netscape".
  _name | The logical name of the application, for example "Netscape 4.06".
  _icon | The icon which should be used by the application.
  _obsolete1 | Do not use!
  _obsolete2 | Do not use!

Definition at line 713 of file krun.cpp.

References run().

pid_t KRun::runURL | ( | const KURL & | _url,
|  | const QString & | _mimetype,
|  | bool | tempFile
| ) | `[static]`

Open the given URL.

This function is used after the mime type is found out. It will search for all services which can handle the mime type and call run() afterwards.

Parameters:

  _url | the URL to open
  _mimetype | the mime type of the resource
  tempFile | if true and _url is a local file, it will be deleted when the launched application exits.

Returns:
  the process id, or 0 on error

Definition at line 68 of file krun.cpp.

References QValueList< KURL >::append(), displayOpenWithDialog(), KMessageBox::error(), KURL::htmlURL(), KURL::isLocalFile(), KURL::path(), KServiceTypeProfile::preferredService(), run(), KDEDesktopMimeType::run(), runCommand(), shellQuote(), and KGlobal::staticQString().

Referenced by foundMimeType().

pid_t KRun::runCommand | ( | QString | cmd | ) | `[static]`

Run the given shell command and notifies kicker of the starting of the application.

If the program to be called doesn't exist, an error box will be displayed.

`_cmd` must be a shell command. You must not append "&" to it, since the function will do that for you.

Returns:
  PID of running command, 0 if it could not be started, 0 - (PID of running command) if command was unsafe for map notification.

Use only when you know the full command line. Otherwise use the other static methods, or KRun's constructor.

Definition at line 721 of file krun.cpp.

Referenced by runURL().

pid_t KRun::runCommand | ( | const QString & | cmd,
|  | const QString & | execName,
|  | const QString & | icon
| ) | `[static]`

Same as the other runCommand, but it also takes the name of the binary, to display an error message in case it couldn't find it.

Parameters:

  icon | icon for app starting notification

Definition at line 726 of file krun.cpp.

References binaryName(), KSharedPtr< T >::data(), KService::serviceByDesktopName(), and KProcess::setUseShell().

bool KRun::displayOpenWithDialog | ( | const KURL::List & | lst,
|  | bool | tempFiles
| ) | `[static]`

Display the Open-With dialog for those URLs, and run the chosen application.

Parameters:

  lst | the list of applications to run
  tempFiles | if true and lst are local files, they will be deleted when the application exits.

Returns:
  false if the dialog was canceled

Definition at line 123 of file krun.cpp.

References QDialog::exec(), run(), KOpenWithDlg::service(), and KOpenWithDlg::text().

Referenced by runURL().

void KRun::shellQuote | ( | QString & | _str | ) | `[static]`

| Quotes a string for the shell. Definition at line 138 of file krun.cpp. References QString::isEmpty(), and QString::replace(). Referenced by processDesktopExec(), and runURL().

QStringList KRun::processDesktopExec | ( | const KService & | _service,
|  | const KURL::List & | _urls,
|  | bool | has_shell,
|  | bool | tempFiles
| ) | `[static]`

Processes a Exec= line as found in .desktop files.

Parameters:

  _service | the service to extract information from.
  _urls | The urls the service should open.
  has_shell | If true, the arguments are going to be fed into a shell e.g by using system(). If false, the arguments are going to be fed into a exec() kind call. If the arguments are intended for an exec() kind of call and the Exec line contains shell commands then "/bin/sh -c" is added.
  tempFiles | if true and _urls are local files, they will be deleted when the application exits.

Returns:
  a list of arguments suitable for either system() or exec().

Definition at line 417 of file krun.cpp.

References QString::arg(), QValueList< KURL >::begin(), KGlobal::config(), QValueList< KURL >::ConstIterator(), QValueList< KURL >::end(), KService::exec(), QString::find(), QString::isEmpty(), QStringList::join(), KConfigBase::readPathEntry(), shellQuote(), KService::substituteUid(), KService::terminal(), KService::terminalOptions(), and KService::username().

QString KRun::binaryName | ( | const QString & | execLine,
|  | bool | removePath
| ) | `[static]`

Given a full command line (e.g.

the Exec= line from a .desktop file), extract the name of the binary being run.

Parameters:

  execLine | the full command line
  removePath | if true, remove a (relative or absolute) path. E.g. /usr/bin/ls becomes ls.

Since:
  3.1

Definition at line 535 of file krun.cpp.

References QString::contains(), QString::findRev(), and QString::mid().

Referenced by runCommand().

void KRun::foundMimeType | ( | const QString & | _type | ) | `[protected, virtual]`

Called if the mimetype has been detected.

The function checks whether the document and appends the gzip protocol to the URL. Otherwise runURL is called to finish the job.

Definition at line 1016 of file krun.cpp.

References QValueList< KURL >::append(), QObject::inherits(), KIO::Scheduler::publishSlaveOnHold(), KIO::SimpleJob::putOnHold(), run(), runURL(), KService::serviceByDesktopName(), and QTimer::start().

## Member Data Documentation

bool KRun::m_bScanFile `[protected]`

| Used to indicate that the next action is to scan the file. This action is invoked from slotTimeout. Definition at line 264 of file krun.h. Referenced by KRun().

bool KRun::m_bInit `[protected]`

| USed to indicate that the next action is to initialize. This action is invoked from slotTimeout Definition at line 271 of file krun.h. Referenced by KRun().

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

- krun.h
- krun.cpp

This file is part of the documentation for kdelibs Version 3.1.5.
Documentation copyright © 1996-2002 the KDE developers.
Generated on Wed Jan 28 13:21:21 2004 by doxygen 1.3.4 written by Dimitri van Heesch, © 1997-2001