fix crash

1 files changed, 8 insertions, 0 deletions

diff --git a/libopie/ofileselector.cc b/libopie/ofileselector.cc
index 1807575..128292f 100644
--- a/libopie/ofileselector.cc
+++ b/libopie/ofileselector.cc
@@ -1,709 +1,717 @@
 /*
                =.            This file is part of the OPIE Project
              .=l.            Copyright (c)  2002 Holger Freyther <zecke@handhelds.org>
            .>+-=
  _;:,     .>    :=|.         This library is free software; you can 
 .> <`_,   >  .   <=          redistribute it and/or  modify it under
 :`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
 .="- .-=="i,     .._         License as published by the Free Software
  - .   .-<_>     .<>         Foundation; either version 2 of the License,
      ._= =}       :          or (at your option) any later version.
     .%`+i>       _;_.        
     .i_,=:_.      -<s.       This library is distributed in the hope that  
      +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
     : ..    .:,     . . .    without even the implied warranty of
     =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
   _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
 ..}^=.=       =       ;      Library General Public License for more
 ++=   -.     .`     .:       details.
  :     =  ...= . :.=-        
  -.   .:....=;==+<;          You should have received a copy of the GNU
   -_. . .   )=.  =           Library General Public License along with
     --        :-=`           this library; see the file COPYING.LIB. 
                              If not, write to the Free Software Foundation,
                              Inc., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
 
 #include <qnamespace.h>
 #include <qpushbutton.h>
 #include <qcombobox.h>
 #include <qhbox.h>
 #include <qvbox.h>
 #include <qlayout.h>
 #include <qwidgetstack.h>
 #include <qlineedit.h>
 #include <qcheckbox.h>
 #include <qlabel.h>
 #include <qheader.h>
 #include <qdir.h>
 #include <qpainter.h>
 
 #include <qpe/qpeapplication.h>
 #include <qpe/fileselector.h>
 #include <qpe/applnk.h>
 #include <qpe/global.h>
 #include <qpe/mimetype.h>
 #include <qpe/resource.h>
 
 #include "ofileselector.h"
 
 QMap<QString,QPixmap> *OFileSelector::m_pixmaps = 0;
 
 namespace {
 
   int indexByString( const QComboBox *box, const QString &str ){
     int index= -1;
     for(int i= 0; i < box->count(); i++ ){
       qWarning("str T%sT  boxT%sT", str.latin1(), box->text(i).latin1() );
       if( str == box->text(i ) ){
 	  index= i;
 	  break;
       }
     }
     return index;
   }
 
 };
 
 
 OFileSelector::OFileSelector(QWidget *wid, int mode, int selector, const QString &dirName,
 			     const QString &fileName, const QStringList mimetypes ) : QWidget( wid )
 {
   m_selector = selector;
   m_currentDir = dirName;
   m_name = fileName;
   m_mimetypes = mimetypes;
   if( mimetypes.isEmpty() )
     m_autoMime = true;
 
   m_mode = mode;
   m_shTool = true;
   m_shPerm = true;
   m_shLne = true;
   m_shChooser = true;
   m_shYesNo = true;
   // for FILESELECTOR only view is interesting
   m_location = 0;
   m_homeButton = 0;
   m_docButton = 0;
   m_hideButton = 0;
   m_ok = 0;
   m_cancel = 0;
   m_reread = 0;
   m_up = 0;
   m_View = 0;
   m_select = 0;
   m_stack = 0;
 
   m_select = 0;
   m_stack = 0;
   m_lay = 0;
   m_boxToolbar = 0;
   m_boxOk = 0;
   m_edit = 0;
 
   m_fnLabel = 0;
   m_checkPerm = 0;
   m_mimeCheck = 0;
   m_viewCheck = 0;
 
   m_dir = true;
   m_files = true;
 
   if(m_pixmaps == 0 ) // init the pixmaps
     initPics();
 
   m_lay = new QVBoxLayout(this);
   init();
   m_edit->setText( fileName );
 }
 void OFileSelector::initPics()
 {
   qWarning("init pics" );
   m_pixmaps = new QMap<QString,QPixmap>;
   QPixmap pm  = Resource::loadPixmap( "folder"  );
   QPixmap lnk = Resource::loadPixmap( "symlink"  );
   QPainter painter( &pm );
   painter.drawPixmap( pm.width()-lnk.width(), pm.height()-lnk.height(), lnk );
   pm.setMask( pm.createHeuristicMask( FALSE ) );
   m_pixmaps->insert("dirsymlink", pm );
 
   QPixmap pm2 = Resource::loadPixmap( "lockedfolder" );
   QPainter pen(&pm2 );
   pen.drawPixmap(pm2.width()-lnk.width(), pm2.height()-lnk.height(), lnk );
   pm2.setMask( pm2.createHeuristicMask( FALSE ) );
   m_pixmaps->insert("symlinkedlocked", pm2 );
 
 };
 // let's initialize the gui
 /**
    --------------------
    | cmbBox   Button  |
    --------------------
    | FileSlector      |
    |       or         |
    | OSelector        |
    |                  |
    |                  |
    ____________________
    | LineEdit         |
    ____________________
    | Permission Bar   |
    ____________________
    | ViewChoose       |
    ____________________
    | Save       Cancel|
    ____________________
  */
 void OFileSelector::delItems()
 {
   QLayoutIterator it = m_lay->iterator();
   while ( it.current() != 0 ){
     it.deleteCurrent();
   }
 }
 void OFileSelector::init()
 {
 
   m_stack = new QWidgetStack(this, "wstack" );
   if( m_selector == NORMAL ){
     QString currMime;
     if( m_mimeCheck != 0 )
       currMime = m_mimeCheck->currentText();
+
     updateMimes();
     m_select = new FileSelector( currMime == "All" ? QString::null : currMime , m_stack, "fileselector", FALSE, FALSE );
     m_stack->addWidget(m_select, NORMAL );
     m_lay->addWidget(m_stack );
     m_stack->raiseWidget(NORMAL );
   }else {
     initializeListView();
   }
 
   if(m_shLne ){ 
     initializeName();
   }
 
   if(m_shPerm ){
     m_checkPerm = new QCheckBox(tr("Set Permission"), this, "Permission" );
     m_checkPerm->setChecked( false );
     m_lay->addWidget(m_checkPerm ); 
   }
 
   if( m_shChooser )
     initializeChooser();
 
   if(m_shYesNo )
     initializeYes();
  
   
 };
 
 void OFileSelector::setYesCancelVisible( bool show )
 {
   if ( show == m_shYesNo )
     return;
   m_shYesNo = show;
   if( !show ){
     delete m_ok;
     delete m_cancel; 
     m_ok = 0;
     m_cancel = 0;
     // delete m_boxOk; all ready deleted in delItems
   }
   updateLay(); // recreate it and save the other states
 }
 
 void OFileSelector::setToolbarVisible( bool show )
 {
   if ( m_shTool == show )
     return;
   /*  if( show ){
 
   }else {
 
   }*/
 }
 
 void OFileSelector::setPermissionBarVisible( bool show )
 {
   if( show == m_shPerm )
     return;
 
   m_shPerm = show;
 
   updateLay();
 }
 void OFileSelector::setLineEditVisible( bool show )
 {
   if( show == m_shLne )
     return;
 
   m_shLne = show;
   if( !show ){
     delete m_edit;
     delete m_fnLabel;
     m_edit = 0;
     m_fnLabel = 0;
     //delete m_boxName; will be deleted 
   }
   updateLay();
 }
 void OFileSelector::setChooserVisible( bool show )
 {
   if( show = m_shChooser )
     return;
   m_shChooser = show;
   if( !show ){
     delete m_mimeCheck;
     delete m_viewCheck;
     m_mimeCheck = 0;
     m_viewCheck = 0;
   }
   updateLay();
 }
 QCheckBox* OFileSelector::permissionCheckbox( )
 {
   return m_checkPerm;
 }
 void OFileSelector::setCaseSensetive( bool caSe )
 {
   m_case = caSe;
   reparse();
 }
 void OFileSelector::setShowFiles(bool files ){
   m_files = files;
   reparse();
 }
 void OFileSelector::setPopupMenu(const QPopupMenu * )
 {
   //delete oldpopup;
 
 }
 bool OFileSelector::setPermission( ) const
 {
   if( m_checkPerm == 0 )
     return false;
   else
     return m_checkPerm->isChecked(); 
 }
 void OFileSelector::setPermissionChecked( bool check )
 {
   if( m_checkPerm == 0 )
     return;
   m_checkPerm->setChecked( check );
 }
 QString OFileSelector::selectedName( )const
 {
   QString string;
   if( m_selector == NORMAL ){
     const DocLnk *lnk = m_select->selected();
     string = lnk->file();
   }else if(m_selector == EXTENDED || m_selector == EXTENDED_ALL ) {
     QListViewItem *item = m_View->currentItem();
     if(item != 0 ){
       string = item->text( 1 );
     }
   }
   return string;
 }
 QStringList OFileSelector::selectedNames()const
 {
   QStringList list;
   return list;
 }
 DocLnk OFileSelector::selectedDocument( )const
 {
   DocLnk lnk;
   return lnk;
 }
 void OFileSelector::updateLay()
 {
   /* if( m_shTool )
     //
   else
     // hide
   */
   // save the state
   bool check = false;
   if( m_checkPerm != 0 )
     check = m_checkPerm->isChecked();
   QString text;
 
   if( m_edit != 0 )
     text = m_edit->text();
   // save current mimetype
 
   delItems();
   delete m_checkPerm;
+  m_checkPerm = 0;
   delete m_edit;
+  m_edit = 0;
   delete m_fnLabel;
+  m_fnLabel = 0;
   delete m_ok;
+  m_ok = 0;
   delete m_cancel;
+  m_cancel = 0;
   delete m_mimeCheck;
+  m_mimeCheck = 0;
   delete m_viewCheck;
+  m_viewCheck = 0;
   delete m_select; // test
   delete m_stack;
   //delete m_list;
   init();
   if( m_shLne )
     m_edit->setText(text );
   if( m_shPerm )
     m_checkPerm->setChecked(check );
 }
 // let's update the mimetypes. Use the current mimefilter for the 2nd QDir retrieve
 // insert QListViewItems with the right options
 bool OFileSelector::compliesMime(const QString &path, const QString &mime )
 {
   if( mime == "All" )
     return true;
   MimeType type( path );
   if( type.id() == mime )
     return true;
   return false;
 }
 
 void OFileSelector::reparse()
 {
   if(m_View== 0 || m_selector == NORMAL)
     return;
 
   m_View->clear();
  
   
   QString currMime =m_mimeCheck->currentText();
   // update the mimetype now
   if( m_autoMime ) {
     QDir dir( m_currentDir );
     m_mimetypes.clear();
     m_mimeCheck->clear();
     dir.setFilter( QDir::Files | QDir::Readable );
     dir.setSorting(QDir::Size ); 
     const QFileInfoList *list = dir.entryInfoList();
     QFileInfoListIterator it( *list );
     QFileInfo *fi;
     while( (fi=it.current())  ){
       if(fi->extension() == QString::fromLatin1("desktop") ){
 	++it;
 	continue;
       }
       MimeType type(fi->filePath() );
       if( !m_mimetypes.contains( type.id() ) )
 	m_mimetypes.append( type.id() );
 
       ++it;
     }
     m_mimetypes.prepend("All" );
     m_mimeCheck->insertStringList(m_mimetypes );
     // set it to the current mimetype
     m_mimeCheck->setCurrentItem( indexByString( m_mimeCheck, currMime ) ); 
   };
   QDir dir( m_currentDir );
   //dir.setFilter(-1 );
   dir.setSorting(QDir::Name | QDir::DirsFirst | QDir::Reversed | QDir::IgnoreCase  );
   const QFileInfoList *list = dir.entryInfoList();
   QFileInfoListIterator it( *list );
   QFileInfo *fi;
   while( (fi=it.current())  ){
     if(fi->fileName() == ".." || fi->fileName() == "." ){
       ++it;
       continue;
     }
     qWarning("Test:  %s", fi->fileName().latin1() );
     if(fi->isSymLink() ){
       qWarning("Symlink %s", fi->fileName().latin1() );
       QString file = fi->dirPath(true)+"/"+ fi->readLink();
       qWarning("File ->%s", file.latin1() );
       for(int i=0; i<=4; i++ ){ // prepend from dos
 	QFileInfo info( file );
 	if( !info.exists() ){
 	  qWarning("does not exist" );
 	  addSymlink(currMime,  fi, TRUE );
 	  break;
 	}else if( info.isDir() ){ 
 	  qWarning("isDir" );
 	  addDir(currMime, fi, TRUE  );
 	  break;
 	}else if( info.isFile() ){
 	  qWarning("isFile" );
 	  addFile(currMime, fi, TRUE );
 	  break;
 	}else if( info.isSymLink() ){
 	  file = info.dirPath(true)+ "/"+ info.readLink();
 	  qWarning("isSymlink again %s", file.latin1() );
 	}else if( i == 4 ){ // just insert it and have the symlink symbol
 	  addSymlink(currMime, fi );
 	  qWarning("level too deep" );
 	}
       }
     }else if( fi->isDir() ){
       addDir(currMime, fi );
     }else if( fi->isFile() ) { // file ?
       addFile(currMime, fi );
     }
     ++it;  
   }
   m_View->sort();
 }
 QString OFileSelector::directory()const
 {
   return m_currentDir;
 }
 int OFileSelector::fileCount()
 {
   return 0;
 }
 void OFileSelector::slotOk( )
 {
   emit ok();
 }
 void OFileSelector::slotCancel( )
 {
   emit cancel();
 }
 
 void OFileSelector::initializeName()
 {
   m_boxName = new QHBoxLayout(this );
   m_edit = new QLineEdit(this );
   m_fnLabel = new QLabel(this );
   m_fnLabel->setText(tr("Name:") );
   m_boxName->addWidget(m_fnLabel );
   m_boxName->insertSpacing(1, 8 );
   m_boxName->addWidget(m_edit, 100 );
 
   m_lay->addLayout(m_boxName);
 }
 void OFileSelector::initializeYes()
 {
   m_ok = new QPushButton("&Save", this, "save" );
   m_cancel = new QPushButton("C&ancel", this, "cancel" );
   m_boxOk = new QHBoxLayout(this );
   m_boxOk->addWidget( m_ok, Qt::AlignHCenter );
   m_boxOk->insertSpacing(1, 8 );
   m_boxOk->addWidget( m_cancel, Qt::AlignHCenter);
   m_lay->addLayout(m_boxOk );
   connect(m_ok, SIGNAL(clicked() ),
 	  this, SLOT(slotOk() )  );
   connect(m_cancel, SIGNAL(clicked() ),
 	  this, SLOT(slotCancel() )  );
 
 }
 void OFileSelector::initializeChooser()
 {
   m_boxView = new QHBoxLayout(this );
 
   m_mimeCheck = new QComboBox(this, "mime check");
   m_viewCheck = new QComboBox(this, "view check");
   m_boxView->addWidget(m_viewCheck, 0 );
   m_boxView->insertSpacing(1, 8 );
   m_boxView->addWidget(m_mimeCheck, 0 );
   m_lay->addLayout(m_boxView );
 
   m_viewCheck->insertItem(tr("Documents") );
   m_viewCheck->insertItem(tr("Files") );
   m_viewCheck->insertItem(tr("All Files") );
 
   if(!m_autoMime )
     m_mimeCheck->insertItem(m_mimetypes.join("," ) );
   else{ // check
     updateMimes();
     m_mimeCheck->insertStringList( m_mimetypes );
   }
 
   connect( m_viewCheck, SIGNAL(activated(const QString &) ),
 	   this, SLOT(slotViewCheck(const QString & ) ) );
 
   connect( m_mimeCheck, SIGNAL(activated(const QString &) ),
 	   this, SLOT(slotMimeCheck(const QString & ) ) );
 }
 void OFileSelector::slotMimeCheck(const QString &view ){
   if(m_selector == NORMAL ){
     delete m_select;
     m_select = new FileSelector(view == "All" ? QString::null : view 
 				, m_stack, "fileselector", FALSE, FALSE );
     m_stack->addWidget( m_select, NORMAL );
     m_stack->raiseWidget( NORMAL );
   }else{
     reparse();
   }
 }
 
 void OFileSelector::slotViewCheck(const QString &view ){
   qWarning("changed: show %s", view.latin1() );
   // if the current view is the one
   QString currMime = m_mimeCheck->currentText();
   if( view == QString::fromLatin1("Documents") ){
     // get the mimetype now
     // check if we're the current widget and return
     if( m_View != 0) // delete 0 shouldn't crash but it did :( 
       delete m_View;
     m_View = 0;
     delete m_select;
     m_select = new FileSelector( currMime == "All" ? QString::null : currMime,
 				 m_stack,"fileselector", FALSE, FALSE );
     m_stack->addWidget( m_select, NORMAL );
     m_mimeCheck->clear();
     m_selector = NORMAL;
     updateMimes();
     m_mimeCheck->insertStringList( m_mimetypes );
     m_stack->raiseWidget( NORMAL );
     
 
   }else if(view == QString::fromLatin1("Files") ){
     // remove from the stack
     delete m_select;
     m_select = 0;
     delete m_View;
     m_View = 0;
     m_selector = EXTENDED;
     // create the ListView or IconView
     initializeListView();
 
     reparse();
   }else if(view == QString::fromLatin1("All Files") ) {
     // remove from the stack
     delete m_select;
     m_select = 0;
     delete m_View;
     m_View = 0;
     m_selector = EXTENDED_ALL;
     initializeListView();
     reparse();
   };
 };
 
 
 void OFileSelector::updateMimes() // lets check which mode is active
   // check the current dir for items then
 {
   m_mimetypes.clear();
   m_mimetypes.append("All" );
   if( m_selector == NORMAL ){
     DocLnkSet set;
     Global::findDocuments(&set, QString::null );
     QListIterator<DocLnk> dit( set.children() );
     for ( ; dit.current(); ++dit ) {
       if( !m_mimetypes.contains((*dit)->type()  ) )
       m_mimetypes.append( (*dit)->type() );
     }
   }else{
     // should be allreday updatet
     ;
   }
 };
 void OFileSelector::initializeListView()
 {
   m_View = new QListView(m_stack, "Extended view" );
   m_stack->addWidget( m_View, EXTENDED );
   m_stack->raiseWidget( EXTENDED );
   QPEApplication::setStylusOperation( m_View->viewport(),QPEApplication::RightOnHold);
   // set up the stuff
   // Pixmap Name Date Size mime
   //(m_View->header() )->hide();
   //m_View->setRootIsDecorated(false);
   m_View->addColumn(" ");
   m_View->addColumn(tr("Name") );
   m_View->addColumn(tr("Size") );
   m_View->addColumn(tr("Date"), 60 );
   m_View->addColumn(tr("Mime Type") );
   QHeader *header = m_View->header();
   header->hide();
   m_View->setSorting(1 );
 };
 /* If a item is locked  depends on the mode
    if we're in OPEN !isReadable is locked
    if we're in SAVE !isWriteable is locked
 
 
  */
 
 
 void OFileSelector::addFile(const QString &mime, QFileInfo *info, bool symlink ){
   qWarning("Add Files" );
   if( !m_files ){
     qWarning("not mfiles" );
     return;
   }
 
   MimeType type( info->filePath() );
   QString name;
   QString dir;
   bool locked= false;
   if(mime == "All" ){
     ;
   }else if( type.id() != mime ) {
     return;
   }
   QPixmap pix = type.pixmap(); 
   if(pix.isNull() )
     pix = Resource::loadPixmap( "UnknownDocument-14" );
   dir = info->dirPath( true );
   if( symlink ) { // check if the readLink is readable
     // do it right later
     name = info->fileName() + " -> " + info->dirPath() + "/" + info->readLink();
   }else{ // keep track of the icons
     name = info->fileName();
     if( m_mode == OPEN ){
       if( !info->isReadable() ){
 	locked = true;
 	pix = Resource::loadPixmap("locked" );
       }
     }else if( m_mode == SAVE ){
       if( !info->isWritable() ){
 	locked = true;
 	pix = Resource::loadPixmap("locked" );
       }
     } 
   }
   new OFileSelectorItem( m_View, pix, name,
 			 info->lastModified().toString(),
 			 QString::number( info->size() ),
 			 dir, locked ); 
 }
 void OFileSelector::addDir(const QString &mime, QFileInfo *info, bool symlink  )
 {
   if(!m_dir )
     return;
   //if( showDirs )
   {
     bool locked;
     QString name;
     QPixmap pix;
     if( ( m_mode == OPEN && !info->isReadable() ) || ( m_mode == SAVE && !info->isWritable()  ) ){
       locked = true;
       if( symlink ){
 	pix = (*m_pixmaps)["symlinkedlocked"];
       }else{
 	pix = Resource::loadPixmap("lockedfolder"  );
       }
     }else{
       if( symlink ){
 	pix = (*m_pixmaps)["dirsymlink" ];
       }else{
 	pix = Resource::loadPixmap("folder"  );
       }
     }
     if( symlink){
       name = info->fileName()+ "->"+ info->dirPath(true) +"/" +info->readLink();
 
     }else{
       //if(info->isReadable() )
       name = info->fileName();
     }
 
       new OFileSelectorItem(m_View, pix,
 			    name, info->lastModified().toString(),
 			    QString::number(info->size() ),info->dirPath(true),  locked, true );
 
   }
 }
 void OFileSelector::setShowDirs(bool dir )
 {
   m_dir = dir;
   reparse();
 }