- 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)

2 files changed, 72 insertions, 4 deletions

diff --git a/library/global.cpp b/library/global.cpp
index 9b3c51e..42c2729 100644
--- a/library/global.cpp
+++ b/library/global.cpp
@@ -511,201 +511,217 @@ void Global::setDocument( QWidget* receiver, const QString& 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
diff --git a/library/qpeapplication.cpp b/library/qpeapplication.cpp
index efa65bc..a54fb20 100644
--- a/library/qpeapplication.cpp
+++ b/library/qpeapplication.cpp
@@ -805,236 +805,288 @@ bool QPEApplication::qwsEventFilter( QWSEvent * e )
                         if ( m == AlwaysOn )
                                 Global::showInputMethod();
                 }
         }
         return QApplication::qwsEventFilter( e );
 }
 #endif
 
 /*!
   Destroys the QPEApplication.
 */
 QPEApplication::~QPEApplication()
 {
         ungrabKeyboard();
 #if defined(Q_WS_QWS) && !defined(QT_NO_COP)
         // Need to delete QCopChannels early, since the display will
         // be gone by the time we get to ~QObject().
         delete sysChannel;
         delete pidChannel;
 #endif
 
         delete d;
 }
 
 /*!
   Returns <tt>$OPIEDIR/</tt>.
 */
 QString QPEApplication::qpeDir()
 {
         const char * base = getenv( "OPIEDIR" );
         if ( base )
                 return QString( base ) + "/";
 
         return QString( "../" );
 }
 
 /*!
   Returns the user's current Document directory. There is a trailing "/".
   .. well, it does now,, and there's no trailing '/'
 */
 QString QPEApplication::documentDir()
 {
         const char* base = getenv( "HOME");
         if ( base )
                 return QString( base ) + "/Documents";
 
         return QString( "../Documents" );
 }
 
 static int deforient = -1;
 
 /*!
   \internal
 */
 int QPEApplication::defaultRotation()
 {
         if ( deforient < 0 ) {
                 QString d = getenv( "QWS_DISPLAY" );
                 if ( d.contains( "Rot90" ) ) {
                         deforient = 90;
                 }
                 else if ( d.contains( "Rot180" ) ) {
                         deforient = 180;
                 }
                 else if ( d.contains( "Rot270" ) ) {
                         deforient = 270;
                 }
                 else {
                         deforient = 0;
                 }
         }
         return deforient;
 }
 
 /*!
   \internal
 */
 void QPEApplication::setDefaultRotation( int r )
 {
         if ( qApp->type() == GuiServer ) {
                 deforient = r;
                 setenv( "QWS_DISPLAY", QString( "Transformed:Rot%1:0" ).arg( r ).latin1(), 1 );
                 Config config("qpe");
                 config.setGroup( "Rotation" );
                 config.writeEntry( "Screen", getenv("QWS_DISPLAY") );
         }
         else {
 #ifndef QT_NO_COP
                 { QCopEnvelope e( "QPE/System", "setDefaultRotation(int)" );
                         e << r;
                 }
 #endif
 
         }
 }
 
+// exported to libpreload.so
+bool opie_block_style = false;
+
 /*!
   \internal
 */
 void QPEApplication::applyStyle()
 {
         Config config( "qpe" );
-
         config.setGroup( "Appearance" );
-
+        
+        // don't block ourselves ...
+        opie_block_style = false;
+        
+        
+        static QString appname;
+        
+        if ( appname. isNull ( )) {
+                char src [32];
+                char dst [PATH_MAX + 1];
+                ::sprintf ( src, "/proc/%d/exe", ::getpid ( ));
+                int l = ::readlink ( src, dst, PATH_MAX );
+                if ( l > 0 ) {
+                        dst [l] = 0;
+                        const char *b = ::strrchr ( dst, '/' );
+                        appname = ( b ? b + 1 : dst );
+                }
+                else
+                        appname = "";
+        }
+        
+        
+        QStringList ex = config. readListEntry ( "NoStyle", ';' );
+        int nostyle = 0;
+        for ( QStringList::Iterator it = ex. begin ( ); it != ex. end ( ); ++it ) {
+                if ( QRegExp (( *it ). mid ( 1 ), false, true ). find ( appname, 0 ) >= 0 ) {
+                        nostyle = ( *it ). left ( 1 ). toInt ( 0, 32 );
+                        break;
+                }
+        }
+                                                        
         // Widget style
         QString style = config.readEntry( "Style", "Light" );
-        internalSetStyle( style );
+        
+        // don't set a custom style
+        if ( nostyle & 0x01 )
+                style = "Light";
+        
+        internalSetStyle ( style );
 
         // Colors
         QColor bgcolor( config.readEntry( "Background", "#E5E1D5" ) );
         QColor btncolor( config.readEntry( "Button", "#D6CDBB" ) );
         QPalette pal( btncolor, bgcolor );
         QString color = config.readEntry( "Highlight", "#800000" );
         pal.setColor( QColorGroup::Highlight, QColor( color ) );
         color = config.readEntry( "HighlightedText", "#FFFFFF" );
         pal.setColor( QColorGroup::HighlightedText, QColor( color ) );
         color = config.readEntry( "Text", "#000000" );
         pal.setColor( QColorGroup::Text, QColor( color ) );
         color = config.readEntry( "ButtonText", "#000000" );
         pal.setColor( QPalette::Active, QColorGroup::ButtonText, QColor( color ) );
         color = config.readEntry( "Base", "#FFFFFF" );
         pal.setColor( QColorGroup::Base, QColor( color ) );
 
         pal.setColor( QPalette::Disabled, QColorGroup::Text,
                       pal.color( QPalette::Active, QColorGroup::Background ).dark() );
 
         setPalette( pal, TRUE );
 
         // Window Decoration
         QString dec = config.readEntry( "Decoration", "Qtopia" );
+        
+        // don't set a custom deco
+        if ( nostyle & 0x04 )
+                dec = "";
+        
         if ( dec != d->decorationName ) {
                 qwsSetDecoration( new QPEDecoration( dec ) );
                 d->decorationName = dec;
         }
 
         // Font
         QString ff = config.readEntry( "FontFamily", font().family() );
         int fs = config.readNumEntry( "FontSize", font().pointSize() );
+
+                // don't set a custom font
+        if ( nostyle & 0x02 ) {
+                ff = "Helvetica";
+                fs = 10;
+        }
+        
         setFont( QFont(ff, fs) );
+        
+        // revert to global blocking policy ...
+        opie_block_style = config. readBoolEntry ( "ForceStyle", false );
 }
 
 void QPEApplication::systemMessage( const QCString& msg, const QByteArray& data )
 {
 #ifdef Q_WS_QWS
         QDataStream stream( data, IO_ReadOnly );
         if ( msg == "applyStyle()" ) {
                 applyStyle();
         }
         else if ( msg == "setDefaultRotation(int)" ) {
                 if ( type() == GuiServer ) {
                         int r;
                         stream >> r;
                         setDefaultRotation( r );
                 }
         }
         else if ( msg == "shutdown()" ) {
                 if ( type() == GuiServer )
                         shutdown();
         }
         else if ( msg == "quit()" ) {
                 if ( type() != GuiServer )
                         tryQuit();
         }
         else if ( msg == "forceQuit()" ) {
                 if ( type() != GuiServer )
                         quit();
         }
         else if ( msg == "restart()" ) {
                 if ( type() == GuiServer )
                         restart();
         }
         else if ( msg == "grabKeyboard(QString)" ) {
                 QString who;
                 stream >> who;
                 if ( who.isEmpty() )
                         d->kbgrabber = 0;
                 else if ( who != d->appName )
                         d->kbgrabber = 1;
                 else
                         d->kbgrabber = 2;
         }
         else if ( msg == "language(QString)" ) {
                 if ( type() == GuiServer ) {
                         QString l;
                         stream >> l;
                         QString cl = getenv( "LANG" );
                         if ( cl != l ) {
                                 if ( l.isNull() )
                                         unsetenv( "LANG" );
                                 else
                                         setenv( "LANG", l.latin1(), 1 );
                                 restart();
                         }
                 }
         }
         else if ( msg == "timeChange(QString)" ) {
                 QString t;
                 stream >> t;
                 if ( t.isNull() )
                         unsetenv( "TZ" );
                 else
                         setenv( "TZ", t.latin1(), 1 );
                 // emit the signal so everyone else knows...
                 emit timeChanged();
         }
         else if ( msg == "execute(QString)" ) {
                 if ( type() == GuiServer ) {
                         QString t;
                         stream >> t;
                         Global::execute( t );
                 }
         }
         else if ( msg == "execute(QString,QString)" ) {
                 if ( type() == GuiServer ) {
                         QString t, d;
                         stream >> t >> d;
                         Global::execute( t, d );
                 }
         }
         else if ( msg == "addAlarm(QDateTime,QCString,QCString,int)" ) {
                 if ( type() == GuiServer ) {
                         QDateTime when;
                         QCString channel, message;
                         int data;
                         stream >> when >> channel >> message >> data;
                         AlarmServer::addAlarm( when, channel, message, data );
                 }
         }
         else if ( msg == "deleteAlarm(QDateTime,QCString,QCString,int)" ) {
                 if ( type() == GuiServer ) {
                         QDateTime when;
                         QCString channel, message;
                         int data;
                         stream >> when >> channel >> message >> data;
                         AlarmServer::deleteAlarm( when, channel, message, data );
@@ -1230,193 +1282,193 @@ void QPEApplication::showMainDocumentWidget( QWidget* mw, bool nomaximize )
 */
 void QPEApplication::setKeepRunning()
 {
         if ( qApp && qApp->inherits( "QPEApplication" ) ) {
                 QPEApplication * qpeApp = ( QPEApplication* ) qApp;
                 qpeApp->d->keep_running = TRUE;
         }
 }
 
 /*!
   Returns TRUE if the application will quit after processing the
   current list of qcop messages; otherwise returns FALSE.
  
   \sa setKeepRunning()
 */
 bool QPEApplication::keepRunning() const
 {
         return d->keep_running;
 }
 
 /*!
   \internal
 */
 void QPEApplication::internalSetStyle( const QString &style )
 {
 #if QT_VERSION >= 300
         if ( style == "QPE" ) {
                 setStyle( new QPEStyle );
         }
         else {
                 QStyle *s = QStyleFactory::create( style );
                 if ( s )
                         setStyle( s );
         }
 #else
         if ( style == "Windows" ) {
                 setStyle( new QWindowsStyle );
         }
         else if ( style == "QPE" ) {
                 setStyle( new QPEStyle );
         }
         else if ( style == "Light" ) {
                 setStyle( new LightStyle );
         }
 #ifndef QT_NO_STYLE_PLATINUM
         else if ( style == "Platinum" ) {
                 setStyle( new QPlatinumStyle );
         }
 #endif
 #ifndef QT_NO_STYLE_MOTIF
         else if ( style == "Motif" ) {
                 setStyle( new QMotifStyle );
         }
 #endif
 #ifndef QT_NO_STYLE_MOTIFPLUS
         else if ( style == "MotifPlus" ) {
                 setStyle( new QMotifPlusStyle );
         }
 #endif
 
         else {
                 QStyle *sty = 0;
                 QString path = QPEApplication::qpeDir ( ) + "/plugins/styles/";
 
                 if ( style. find ( ".so" ) > 0 )
                         path += style;
                 else
                         path = path + "lib" + style. lower ( ) + ".so"; // compatibility
 
                 static QLibrary *lastlib = 0;
                 static StyleInterface *lastiface = 0;
 
                 QLibrary *lib = new QLibrary ( path );
                 StyleInterface *iface = 0;
 
                 if (( lib-> queryInterface ( IID_Style, ( QUnknownInterface ** ) &iface ) == QS_OK ) && iface )
                         sty = iface-> style ( );
 
                 if ( sty ) {
                         setStyle ( sty );
 
                         if ( lastiface )
                                 lastiface-> release ( );
                         lastiface = iface;
 
                         if ( lastlib ) {
                                 lastlib-> unload ( );
                                 delete lastlib;
                         }
                         lastlib = lib;
                 }
                 else {
                         if ( iface )
                                 iface-> release ( );
                         delete lib;
 
-                        setStyle ( new QPEStyle ( ));
+                        setStyle ( new LightStyle ( ));
                 }
         }
 #endif
 }
 
 /*!
   \internal
 */
 void QPEApplication::prepareForTermination( bool willrestart )
 {
         if ( willrestart ) {
                 // Draw a big wait icon, the image can be altered in later revisions
                 //  QWidget *d = QApplication::desktop();
                 QImage img = Resource::loadImage( "launcher/new_wait" );
                 QPixmap pix;
                 pix.convertFromImage( img.smoothScale( 1 * img.width(), 1 * img.height() ) );
                 QLabel *lblWait = new QLabel( 0, "wait hack!", QWidget::WStyle_Customize |
                                               QWidget::WStyle_NoBorder | QWidget::WStyle_Tool );
                 lblWait->setPixmap( pix );
                 lblWait->setAlignment( QWidget::AlignCenter );
                 lblWait->show();
                 lblWait->showMaximized();
         }
 #ifndef SINGLE_APP
         { QCopEnvelope envelope( "QPE/System", "forceQuit()" );
         }
         processEvents(); // ensure the message goes out.
         sleep( 1 ); // You have 1 second to comply.
 #endif
 }
 
 /*!
   \internal
 */
 void QPEApplication::shutdown()
 {
         // Implement in server's QPEApplication subclass
 }
 
 /*!
   \internal
 */
 void QPEApplication::restart()
 {
         // Implement in server's QPEApplication subclass
 }
 
 static QPtrDict<void>* stylusDict = 0;
 static void createDict()
 {
         if ( !stylusDict )
                 stylusDict = new QPtrDict<void>;
 }
 
 /*!
   Returns the current StylusMode for widget \a w.
  
   \sa setStylusOperation() StylusMode
 */
 QPEApplication::StylusMode QPEApplication::stylusOperation( QWidget* w )
 {
         if ( stylusDict )
                 return ( StylusMode ) ( int ) stylusDict->find( w );
         return LeftOnly;
 }
 
 /*!
     \enum QPEApplication::StylusMode
  
     \value LeftOnly the stylus only generates LeftButton
                        events (the default).
     \value RightOnHold the stylus generates RightButton events
                        if the user uses the press-and-hold gesture.
  
     \sa setStylusOperation() stylusOperation()
 */
 
 /*!
   Causes widget \a w to receive mouse events according to the stylus
   \a mode.
  
   \sa stylusOperation() StylusMode
 */
 void QPEApplication::setStylusOperation( QWidget * w, StylusMode mode )
 {
         createDict();
         if ( mode == LeftOnly ) {
                 stylusDict->remove
                 ( w );
                 w->removeEventFilter( qApp );
         }
         else {
                 stylusDict->insert( w, ( void* ) mode );
                 connect( w, SIGNAL( destroyed() ), qApp, SLOT( removeSenderFromStylusDict() ) );
                 w->installEventFilter( qApp );
         }