- LD_PRELOADing of libpreload.so in case the user selected [x] Force style

  settings in appearance
- Some code to NOT style some applications, based on the binary name (also
  selectable in appearance)

1 files changed, 16 insertions, 0 deletions

diff --git a/library/global.cpp b/library/global.cpp
index 9b3c51e..42c2729 100644
--- a/library/global.cpp
+++ b/library/global.cpp
@@ -223,584 +223,600 @@ static QString dictDir()
 */
 Global::Global()
 {
 }
 
 /*!
   Returns the unchangeable QDawg that contains general
   words for the current locale.
 
   \sa addedDawg()
 */
 const QDawg& Global::fixedDawg()
 {
     if ( !fixed_dawg ) {
 	if ( !docDirCreated )
 	    createDocDir();
 
 	fixed_dawg = new QDawg;
 	QString dawgfilename = dictDir() + "/dawg";
 	QString words_lang;
 	QStringList langs = Global::languageList();
 	for (QStringList::ConstIterator it = langs.begin(); it!=langs.end(); ++it) {
 	    QString lang = *it;
 	    words_lang = dictDir() + "/words." + lang;
 	    QString dawgfilename_lang = dawgfilename + "." + lang;
 	    if ( QFile::exists(dawgfilename_lang) ||
 		 QFile::exists(words_lang) ) {
 		dawgfilename = dawgfilename_lang;
 		break;
 	    }
 	}
 	QFile dawgfile(dawgfilename);
 
 	if ( !dawgfile.exists() ) {
 	    QString fn = dictDir() + "/words";
 	    if ( QFile::exists(words_lang) )
 		fn = words_lang;
 	    QFile in(fn);
 	    if ( in.open(IO_ReadOnly) ) {
 		fixed_dawg->createFromWords(&in);
 		dawgfile.open(IO_WriteOnly);
 		fixed_dawg->write(&dawgfile);
 		dawgfile.close();
 	    }
 	} else {
 	    fixed_dawg->readFile(dawgfilename);
 	}
     }
 
     return *fixed_dawg;
 }
 
 /*!
   Returns the changeable QDawg that contains general
   words for the current locale.
 
   \sa fixedDawg()
 */
 const QDawg& Global::addedDawg()
 {
     return dawg("local");
 }
 
 /*!
   Returns the QDawg with the given \a name.
   This is an application-specific word list.
 
   \a name should not contain "/".
 */
 const QDawg& Global::dawg(const QString& name)
 {
     createDocDir();
     if ( !named_dawg )
 	named_dawg = new QDict<QDawg>;
     QDawg* r = named_dawg->find(name);
     if ( !r ) {
 	r = new QDawg;
 	named_dawg->insert(name,r);
 	QString dawgfilename = applicationFileName("Dictionary", name ) + ".dawg";
 	QFile dawgfile(dawgfilename);
 	if ( dawgfile.open(IO_ReadOnly) )
 	    r->readFile(dawgfilename);
     }
     return *r;
 }
 
 /*!
   \overload
   Adds \a wordlist to the addedDawg().
 
   Note that the addition of words persists between program executions
   (they are saved in the dictionary files), so you should confirm the
   words with the user before adding them.
 */
 void Global::addWords(const QStringList& wordlist)
 {
     addWords("local",wordlist);
 }
 
 /*!
   \overload
   Adds \a wordlist to the addedDawg().
 
   Note that the addition of words persists between program executions
   (they are saved in the dictionary files), so you should confirm the
   words with the user before adding them.
 */
 void Global::addWords(const QString& dictname, const QStringList& wordlist)
 {
     QDawg& d = (QDawg&)dawg(dictname);
     QStringList all = d.allWords() + wordlist;
     d.createFromWords(all);
 
     QString dawgfilename = applicationFileName("Dictionary", dictname) + ".dawg";
     QFile dawgfile(dawgfilename);
     if ( dawgfile.open(IO_WriteOnly) ) {
 	d.write(&dawgfile);
 	dawgfile.close();
     }
 
     // #### Re-read the dawg here if we use mmap().
 
     // #### Signal other processes to re-read.
 }
 
 
 /*!
   Returns the full path for the application called \a appname, with the
   given \a filename. Returns QString::null if there was a problem creating
   the directory tree for \a appname.
   If \a filename contains "/", it is the caller's responsibility to
   ensure that those directories exist.
 */
 QString Global::applicationFileName(const QString& appname, const QString& filename)
 {
     QDir d;
     QString r = getenv("HOME");
     r += "/Applications/";
     if ( !QFile::exists( r ) )
 	if ( d.mkdir(r) == false )
 	    return QString::null;
     r += appname;
     if ( !QFile::exists( r ) )
 	if ( d.mkdir(r) == false )
 	    return QString::null;
     r += "/"; r += filename;
     return r;
 }
 
 /*!
   \internal
 */
 void Global::createDocDir()
 {
     if ( !docDirCreated ) {
 	docDirCreated = TRUE;
 	mkdir( QPEApplication::documentDir().latin1(), 0755 );
     }
 }
 
 
 /*!
   Displays a status \a message to the user. This usually appears
   in the taskbar for a short amount of time, then disappears.
 */
 void Global::statusMessage(const QString& message)
 {
 #if!defined(QT_NO_COP)
     QCopEnvelope e( "QPE/TaskBar", "message(QString)" );
     e << message;
 #endif
 }
 
 /*!
   \internal
 */
 void Global::applyStyle()
 {
 #if !defined(QT_NO_COP)
     QCopChannel::send( "QPE/System", "applyStyle()" );
 #else
     ((QPEApplication *)qApp)->applyStyle(); // apply without needing QCop for floppy version
 #endif
 }
 
 /*!
   \internal
 */
 QWidget *Global::shutdown( bool )
 {
 #if !defined(QT_NO_COP)
     QCopChannel::send( "QPE/System", "shutdown()" );
 #endif
     return 0;
 }
 
 /*!
   \internal
 */
 QWidget *Global::restart( bool )
 {
 #if !defined(QT_NO_COP)
     QCopChannel::send( "QPE/System", "restart()" );
 #endif
     return 0;
 }
 
 /*!
   Explicitly show the current input method.
 
   Input methods are indicated in the taskbar by a small icon. If the
   input method is activated (shown) then it takes up some proportion
   of the bottom of the screen, to allow the user to interact (input
   characters) with it.
 
   \sa hideInputMethod()
 */
 void Global::showInputMethod()
 {
 #if !defined(QT_NO_COP)
     QCopChannel::send( "QPE/TaskBar", "showInputMethod()" );
 #endif
 }
 
 /*!
   Explicitly hide the current input method.
 
   The current input method is still indicated in the taskbar, but no
   longer takes up screen space, and can no longer be interacted with.
 
   \sa showInputMethod()
 */
 void Global::hideInputMethod()
 {
 #if !defined(QT_NO_COP)
     QCopChannel::send( "QPE/TaskBar", "hideInputMethod()" );
 #endif
 }
 
 
 /*!
   \internal
 */
 bool Global::isBuiltinCommand( const QString &name )
 {
     if(!builtin)
 	return FALSE; // yes, it can happen
     for (int i = 0; builtin[i].file; i++) {
 	if ( builtin[i].file == name ) {
 	    return TRUE;
 	}
     }
     return FALSE;
 }
 
 Global::Command* Global::builtin=0;
 QGuardedPtr<QWidget> *Global::running=0;
 
 /*!
   \class Global::Command
   \brief The Global::Command class is internal.
   \internal
 */
 
 /*!
   \internal
 */
 void Global::setBuiltinCommands( Command* list )
 {
     if ( running )
 	delete [] running;
 
     builtin = list;
     int count = 0;
     if (!builtin)
 	return;
     while ( builtin[count].file )
 	count++;
 
     running = new QGuardedPtr<QWidget> [ count ];
 }
 
 /*!
   \internal
 */
 void Global::setDocument( QWidget* receiver, const QString& document )
 {
     Emitter emitter(receiver,document);
 }
 
 /*!
   \internal
 */
 bool Global::terminateBuiltin( const QString& n )
 {
     if (!builtin)
 	return FALSE;
     for (int i = 0; builtin[i].file; i++) {
 	if ( builtin[i].file == n ) {
 	    delete running[i];
 	    return TRUE;
 	}
     }
     return FALSE;
 }
 
 /*!
   \internal
 */
 void Global::terminate( const AppLnk* app )
 {
     //if ( terminateBuiltin(app->exec()) ) return; // maybe? haven't tried this
 
 #ifndef QT_NO_COP
     QCString channel = "QPE/Application/" + app->exec().utf8();
     if ( QCopChannel::isRegistered(channel) ) {
 	QCopEnvelope e(channel, "quit()");
     }
 #endif
 }
 
 /*!
   Low-level function to run command \a c.
 
   \warning Do not use this function. Use execute instead.
 
   \sa execute()
 */
 void Global::invoke(const QString &c)
 {
     // Convert the command line in to a list of arguments
     QStringList list = QStringList::split(QRegExp("  *"),c);
 
 #if !defined(QT_NO_COP)
     QString ap=list[0];
     // see if the application is already running
     // XXX should lock file /tmp/qcop-msg-ap
     if ( QCopChannel::isRegistered( ("QPE/Application/" + ap).latin1() ) ) {
 	// If the channel is already register, the app is already running, so show it.
 	{ QCopEnvelope env( ("QPE/Application/" + ap).latin1(), "raise()" ); }
                 
 	QCopEnvelope e("QPE/System", "notBusy(QString)" );
 	e << ap;
 	return;
     }
     // XXX should unlock file /tmp/qcop-msg-ap
     //see if it is being started
     if ( StartingAppList::isStarting( ap ) ) {
 	QCopEnvelope e("QPE/System", "notBusy(QString)" );
 	e << ap;
 	return;
     }
 
 #endif
 
 #ifdef QT_NO_QWS_MULTIPROCESS
     QMessageBox::warning( 0, "Error", "Could not find the application " + c, "Ok", 0, 0, 0, 1 );
 #else
 
     QStrList slist;
     unsigned int j;
     for ( j = 0; j < list.count(); j++ )
 	slist.append( list[j].utf8() );
 
     const char **args = new (const char *)[slist.count() + 1];
     for ( j = 0; j < slist.count(); j++ )
 	args[j] = slist.at(j);
     args[j] = NULL;
 
 #if !defined(QT_NO_COP)
     // an attempt to show a wait...
     // more logic should be used, but this will be fine for the moment...
     QCopEnvelope ( "QPE/System", "busy()" );
 #endif
 
 #ifdef HAVE_QUICKEXEC
     QString libexe = qpeDir()+"/binlib/lib"+args[0] + ".so";
     qDebug("libfile = %s", libexe.latin1() );
     if ( QFile::exists( libexe ) ) {
 	qDebug("calling quickexec %s", libexe.latin1() );
 	quickexecv( libexe.utf8().data(), (const char **)args );
     } else
 #endif
     {
+	char *oldpre = ::getenv ( "LD_PRELOAD" );
+    	
+	extern bool opie_block_style;
+    
+	QString newpre = QPEApplication::qpeDir ( ) + "/lib/libpreload.so";
+	if ( opie_block_style && QFile::exists ( newpre )) {
+	    if ( oldpre && oldpre [0] )
+		newpre = newpre + ":" + oldpre;
+	    ::setenv ( "LD_PRELOAD", newpre. latin1( ), 1 );
+	    qDebug ( "\nPRELOADING\n" );
+	}
+	    
 	if ( !::vfork() ) {
 	    for ( int fd = 3; fd < 100; fd++ )
 		::close( fd );
 	    ::setpgid( ::getpid(), ::getppid() );
 	    // Try bindir first, so that foo/bar works too
 	    ::execv( qpeDir()+"/bin/"+args[0], (char * const *)args );
 	    ::execvp( args[0], (char * const *)args );
 	    _exit( -1 );
 	}
+	if ( oldpre )
+	    ::setenv ( "LD_PRELOAD", oldpre, 1 );
+	else
+	    ::unsetenv ( "LD_PRELOAD" );
     }
     StartingAppList::add( list[0] );
 #endif //QT_NO_QWS_MULTIPROCESS
 }
 
 
 /*!
   Executes the application identfied by \a c, passing \a
   document if it isn't null.
 
   Note that a better approach might be to send a QCop message to the
   application's QPE/Application/\e{appname} channel.
 */
 void Global::execute( const QString &c, const QString& document )
 {
     if ( qApp->type() != QApplication::GuiServer ) {
 	// ask the server to do the work
 #if !defined(QT_NO_COP)
 	if ( document.isNull() ) {
 	    QCopEnvelope e( "QPE/System", "execute(QString)" );
 	    e << c;
 	} else {
 	    QCopEnvelope e( "QPE/System", "execute(QString,QString)" );
 	    e << c << document;
 	}
 #endif
 	return;
     }
 
     // Attempt to execute the app using a builtin class for the app first
     // else try and find it in the bin directory
     if (builtin) {
 	for (int i = 0; builtin[i].file; i++) {
 	    if ( builtin[i].file == c ) {
 		if ( running[i] ) {
 		    if ( !document.isNull() && builtin[i].documentary )
 			setDocument(running[i], document);
 		    running[i]->raise();
 		    running[i]->show();
 		    running[i]->setActiveWindow();
 		} else {
 		    running[i] = builtin[i].func( builtin[i].maximized );
 		}
 #ifndef QT_NO_COP
 		QCopEnvelope e("QPE/System", "notBusy(QString)" );
 		e << c; // that was quick ;-)
 #endif
 		return;
 	    }
 	}
     }
 
     //Global::invoke(c, document);
 
     // Convert the command line in to a list of arguments
     QStringList list = QStringList::split(QRegExp("  *"),c);
 
 #if !defined(QT_NO_COP)
     QString ap=list[0];
 
     qDebug("executing %s", ap.latin1() );
 
     /* if need be, sending a qcop message will result in an invoke, see
        preceeding function */
     invoke( ap );
     //{ QCopEnvelope env( ("QPE/Application/" + ap).latin1(), "raise()" ); }
     if ( !document.isEmpty() ) {
 	QCopEnvelope env( ("QPE/Application/" + ap).latin1(), "setDocument(QString)" );
 	env << document;
     }
 #endif
 }
 
 /*!
   Returns the string \a s with the characters '\', '"', and '$' quoted
   by a preceeding '\'.
 
   \sa stringQuote()
 */
 QString Global::shellQuote(const QString& s)
 {
     QString r="\"";
     for (int i=0; i<(int)s.length(); i++) {
 	char c = s[i].latin1();
 	switch (c) {
 	    case '\\': case '"': case '$':
 		r+="\\";
 	}
 	r += s[i];
     }
     r += "\"";
     return r;
 }
 
 /*!
   Returns the string \a s with the characters '\' and '"' quoted by a
   preceeding '\'.
 
   \sa shellQuote()
 */
 QString Global::stringQuote(const QString& s)
 {
     QString r="\"";
     for (int i=0; i<(int)s.length(); i++) {
 	char c = s[i].latin1();
 	switch (c) {
 	    case '\\': case '"':
 		r+="\\";
 	}
 	r += s[i];
     }
     r += "\"";
     return r;
 }
 
 /*!
   Finds all documents on the system's document directories which
   match the filter \a mimefilter, and appends the resulting DocLnk
   objects to \a folder.
 */
 void Global::findDocuments(DocLnkSet* folder, const QString &mimefilter)
 {
     QString homedocs = QString(getenv("HOME")) + "/Documents";
     DocLnkSet d(homedocs,mimefilter);
     folder->appendFrom(d);
     /** let's do intellegint way of searching these files
      *  a) the user don't want to check mediums global
      *  b) the user wants to check but use the global options for it
      *  c) the user wants to check it but not this medium
      *  d) the user wants to check and this medium as well
      *
      *  In all cases we need to apply a different mimefilter to
      *  the medium.
      *  a) mimefilter.isEmpty() we need to apply the responding filter
      *     either the global or the one on the medium
      *
      *  b) mimefilter is set to an application we need to find out if the
      *     mimetypes are included in the mime mask of the medium
      */
     StorageInfo storage;
     const QList<FileSystem> &fs = storage.fileSystems();
     QListIterator<FileSystem> it ( fs );
     for ( ; it.current(); ++it ) {
       if ( (*it)->isRemovable() ) { // let's find out  if we should search on it
 	// this is a candidate look at the cf and see if we should search on it
 	QString path = (*it)->path();
 	if( !checkStorage((*it)->path() + "/.opiestorage.cf" ) )
 	  continue;
 	DocLnkSet ide( path, mimefilter );
 	folder->appendFrom(ide);
       } else if ( (*it)->disk() == "/dev/mtdblock6" || (*it)->disk() == "tmpfs" ) {
 	QString path = (*it)->path() + "/Documents";
 	DocLnkSet ide( path, mimefilter );
 	folder->appendFrom(ide);
       }
     }
 }
 
 QStringList Global::languageList()
 {
     QString lang = getenv("LANG");
     QStringList langs;
     langs.append(lang);
     int i  = lang.find(".");
     if ( i > 0 )
 	lang = lang.left( i );
     i = lang.find( "_" );
     if ( i > 0 )
 	langs.append(lang.left(i));
     return langs;
 }
 
 QStringList Global::helpPath()
 {
     QStringList path;
     QStringList langs = Global::languageList();
     for (QStringList::ConstIterator it = langs.fromLast(); it!=langs.end(); --it) {
 	QString lang = *it;
 	if ( !lang.isEmpty() )
 	    path += QPEApplication::qpeDir() + "/help/" + lang + "/html";
     }
     path += QPEApplication::qpeDir() + "/pics";
     path += QPEApplication::qpeDir() + "/help/html";
     path += QPEApplication::qpeDir() + "/docs";
 
 
     return path;
 }
 
 
 #include "global.moc"