Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 610 insertions, 0 deletions

diff --git a/kabc/addresslineedit.cpp b/kabc/addresslineedit.cpp
new file mode 100644
index 000000000..8e20c7975
--- /dev/null
+++ b/kabc/addresslineedit.cpp
@@ -0,0 +1,610 @@
+/*
+    This file is part of libkabc.
+    Copyright (c) 2002 Helge Deller <deller@gmx.de>
+                  2002 Lubos Lunak <llunak@suse.cz>
+                  2001,2003 Carsten Pfeiffer <pfeiffer@kde.org>
+                  2001 Waldo Bastian <bastian@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    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., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+// $Id$
+
+#include "addresslineedit.h"
+
+#include <qapplication.h>
+#include <qobject.h>
+#include <qptrlist.h>
+#include <qregexp.h>
+#include <qevent.h>
+#include <qdragobject.h>
+
+#include <kcompletionbox.h>
+#include <kconfig.h>
+#include <kcursor.h>
+#include <kstandarddirs.h>
+#include <kstaticdeleter.h>
+#include <kstdaccel.h>
+#include <kurldrag.h>
+
+#include <kabc/stdaddressbook.h>
+#include <kabc/distributionlist.h>
+#include "ldapclient.h"
+
+#include <kdebug.h>
+
+//=============================================================================
+//
+//   Class  AddressLineEdit
+//
+//=============================================================================
+
+
+using namespace KABC;
+
+KCompletion * AddressLineEdit::s_completion = 0L;
+bool AddressLineEdit::s_addressesDirty = false;
+QTimer* AddressLineEdit::s_LDAPTimer = 0L;
+LdapSearch* AddressLineEdit::s_LDAPSearch = 0L;
+QString* AddressLineEdit::s_LDAPText = 0L;
+AddressLineEdit* AddressLineEdit::s_LDAPLineEdit = 0L;
+KConfig *AddressLineEdit::s_config = 0L;
+
+static KStaticDeleter<KCompletion> completionDeleter;
+static KStaticDeleter<QTimer> ldapTimerDeleter;
+static KStaticDeleter<LdapSearch> ldapSearchDeleter;
+static KStaticDeleter<QString> ldapTextDeleter;
+static KStaticDeleter<KConfig> configDeleter;
+
+AddressLineEdit::AddressLineEdit(QWidget* parent,
+		bool useCompletion,
+		const char *name)
+    : KLineEdit(parent,name)
+{
+  m_useCompletion = useCompletion;
+  m_completionInitialized = false;
+  m_smartPaste = false;
+
+  init();
+
+  // Whenever a new AddressLineEdit is created (== a new composer is created),
+  // we set a dirty flag to reload the addresses upon the first completion.
+  // The address completions are shared between all AddressLineEdits.
+  // Is there a signal that tells us about addressbook updates?
+  if (m_useCompletion)
+    s_addressesDirty = true;
+}
+
+
+//-----------------------------------------------------------------------------
+void AddressLineEdit::init()
+{
+  if ( !s_completion ) {
+      completionDeleter.setObject( s_completion, new KCompletion() );
+      s_completion->setOrder( KCompletion::Sorted );
+      s_completion->setIgnoreCase( true );
+  }
+
+  if( m_useCompletion ) {
+      if( !s_LDAPTimer ) {
+        ldapTimerDeleter.setObject( s_LDAPTimer, new QTimer );
+        ldapSearchDeleter.setObject( s_LDAPSearch, new LdapSearch );
+        ldapTextDeleter.setObject( s_LDAPText, new QString );
+      }
+      connect( s_LDAPTimer, SIGNAL( timeout()), SLOT( slotStartLDAPLookup()));
+      connect( s_LDAPSearch, SIGNAL( searchData( const QStringList& )),
+        SLOT( slotLDAPSearchData( const QStringList& )));
+  }
+
+  if ( m_useCompletion && !m_completionInitialized )
+  {
+      setCompletionObject( s_completion, false ); // we handle it ourself
+      connect( this, SIGNAL( completion(const QString&)),
+               this, SLOT(slotCompletion() ));
+      
+      KCompletionBox *box = completionBox();
+      connect( box, SIGNAL( highlighted( const QString& )),
+               this, SLOT( slotPopupCompletion( const QString& ) ));
+      connect( box, SIGNAL( userCancelled( const QString& )),
+               SLOT( userCancelled( const QString& )));
+
+      m_completionInitialized = true; // don't connect muliple times. That's
+                                      // ugly, tho, better have completionBox()
+                                      // virtual in KDE 4
+      // Why? This is only called once. Why should this be called more
+      // than once? And why was this protected?
+  }
+}
+
+//-----------------------------------------------------------------------------
+AddressLineEdit::~AddressLineEdit()
+{
+}
+
+//-----------------------------------------------------------------------------
+
+KConfig* AddressLineEdit::config()
+{
+  if ( !s_config )
+    configDeleter.setObject( s_config, new KConfig( "kabldaprc", false, false ) ); // Open read-write, no kdeglobals
+
+  return s_config;
+}
+
+void AddressLineEdit::setFont( const QFont& font )
+{
+    KLineEdit::setFont( font );
+    if ( m_useCompletion )
+        completionBox()->setFont( font );
+}
+
+//-----------------------------------------------------------------------------
+void AddressLineEdit::keyPressEvent(QKeyEvent *e)
+{
+    bool accept = false;
+
+    if (KStdAccel::shortcut(KStdAccel::SubstringCompletion).contains(KKey(e)))
+    {
+        doCompletion(true);
+        accept = true;
+    }
+    else if (KStdAccel::shortcut(KStdAccel::TextCompletion).contains(KKey(e)))
+    {
+        int len = text().length();
+        
+        if (len == cursorPosition()) // at End?
+        {
+            doCompletion(true);
+            accept = true;
+        }
+    }
+
+    if( !accept )
+        KLineEdit::keyPressEvent( e );
+
+    if( e->isAccepted())
+    {
+        if( m_useCompletion && s_LDAPTimer != NULL )
+        {
+            if( *s_LDAPText != text())
+                stopLDAPLookup();
+            *s_LDAPText = text();
+            s_LDAPLineEdit = this;
+            s_LDAPTimer->start( 500, true );
+        }
+    }
+}
+
+void AddressLineEdit::mouseReleaseEvent( QMouseEvent * e )
+{
+   if (m_useCompletion && (e->button() == MidButton))
+   {
+      m_smartPaste = true;
+      KLineEdit::mouseReleaseEvent(e);
+      m_smartPaste = false;
+      return;
+   }
+   KLineEdit::mouseReleaseEvent(e);
+}
+
+void AddressLineEdit::insert(const QString &t)
+{
+    if (!m_smartPaste)
+    {
+       KLineEdit::insert(t);
+       return;
+    }
+    QString newText = t.stripWhiteSpace();
+    if (newText.isEmpty())
+       return;
+
+    // remove newlines in the to-be-pasted string as well as an eventual
+    // mailto: protocol
+    newText.replace( QRegExp("\r?\n"), ", " );
+    if ( newText.startsWith( "mailto:" ) )
+    {
+      KURL u(newText);
+      newText = u.path();
+    }
+    else if (newText.find(" at ") != -1)
+    {
+       // Anti-spam stuff
+       newText.replace( " at ", "@" );
+       newText.replace( " dot ", "." );
+    }
+    else if (newText.find("(at)") != -1)
+    {
+      newText.replace( QRegExp("\\s*\\(at\\)\\s*"), "@" );
+    }
+
+    QString contents = text();
+    int start_sel = 0;
+    int end_sel = 0;
+    int pos = cursorPosition();
+    if (getSelection(&start_sel, &end_sel))
+    {
+       // Cut away the selection.
+       if (pos > end_sel)
+          pos -= (end_sel - start_sel);
+       else if (pos > start_sel)
+          pos = start_sel;
+       contents = contents.left(start_sel) + contents.right(end_sel+1);
+    }
+
+    int eot = contents.length();
+    while ((eot > 0) && contents[eot-1].isSpace()) eot--;
+    if (eot == 0)
+    {
+       contents = QString::null;
+    }
+    else if (pos >= eot)
+    {
+       if (contents[eot-1] == ',')
+          eot--;
+       contents.truncate(eot);
+       contents += ", ";
+       pos = eot+2;
+    }
+
+    contents = contents.left(pos)+newText+contents.mid(pos);
+    setText(contents);
+    setCursorPosition(pos+newText.length());
+}
+
+void AddressLineEdit::paste()
+{
+    if (m_useCompletion)
+       m_smartPaste = true;
+    KLineEdit::paste();
+    m_smartPaste = false;
+}
+
+//-----------------------------------------------------------------------------
+void AddressLineEdit::cursorAtEnd()
+{
+    setCursorPosition( text().length() );
+}
+
+//-----------------------------------------------------------------------------
+void AddressLineEdit::enableCompletion(bool enable)
+{
+  m_useCompletion = enable;
+}
+
+//-----------------------------------------------------------------------------
+void AddressLineEdit::doCompletion(bool ctrlT)
+{
+    if ( !m_useCompletion )
+        return;
+
+    QString prevAddr;    
+    
+    QString s(text());    
+    int n = s.findRev(',');
+        
+    if (n >= 0)
+    {
+        n++; // Go past the ","
+        
+        int len = s.length();
+        
+        // Increment past any whitespace...
+        while( n < len && s[n].isSpace() )
+          n++;
+                  
+        prevAddr = s.left(n);
+        s = s.mid(n,255).stripWhiteSpace();
+    }
+
+    if ( s_addressesDirty )
+        loadAddresses();
+
+    if ( ctrlT )
+    {
+        QStringList completions = s_completion->substringCompletion( s );
+        if (completions.count() > 1) {
+            m_previousAddresses = prevAddr;
+            setCompletedItems( completions );
+        }
+        else if (completions.count() == 1)
+            setText(prevAddr + completions.first());
+
+        cursorAtEnd();
+        return;
+    }
+    
+    KGlobalSettings::Completion  mode = completionMode();
+    
+    switch ( mode )
+    {
+        case KGlobalSettings::CompletionPopupAuto:
+        {
+            if (s.isEmpty())
+                break;
+        }
+        case KGlobalSettings::CompletionPopup:        
+        {
+            m_previousAddresses = prevAddr;
+            QStringList items = s_completion->allMatches( s );
+            items += s_completion->allMatches( "\"" + s );
+            items += s_completion->substringCompletion( '<' + s );
+            uint beforeDollarCompletionCount = items.count();
+
+            if( s.find( ' ' ) == -1 ) // one word, possibly given name
+                items += s_completion->allMatches( "$$" + s );
+
+            if ( !items.isEmpty() )
+            {
+                if ( items.count() > beforeDollarCompletionCount )
+                {
+                    // remove the '$$whatever$' part                    
+                    for( QStringList::Iterator it = items.begin();
+                         it != items.end();
+                         ++it )
+                    { 
+                        int pos = (*it).find( '$', 2 );
+                        if( pos < 0 ) // ???
+                            continue;
+                        (*it)=(*it).mid( pos + 1 );
+                    }
+                }
+
+                items = removeMailDupes( items );
+                
+                // We do not want KLineEdit::setCompletedItems to perform text
+                // completion (suggestion) since it does not know how to deal
+                // with providing proper completions for different items on the 
+                // same line, e.g. comma-separated list of email addresses.
+                bool autoSuggest = (mode != KGlobalSettings::CompletionPopupAuto);                                
+                setCompletedItems( items, autoSuggest );
+                
+                if (!autoSuggest)
+                {
+                    int index = items.first().find( s );
+                    QString newText = prevAddr + items.first().mid( index );
+                    //kdDebug() << "OLD TEXT: " << text() << endl;
+                    //kdDebug() << "NEW TEXT: " << newText << endl;
+                    setUserSelection(false);
+                    setCompletedText(newText,true);
+                }
+            }
+
+            break;
+        }
+
+        case KGlobalSettings::CompletionShell:
+        {
+            QString match = s_completion->makeCompletion( s );
+            if ( !match.isNull() && match != s )
+            {
+                setText( prevAddr + match );
+                cursorAtEnd();
+            }
+            break;
+        }
+
+        case KGlobalSettings::CompletionMan: // Short-Auto in fact
+        case KGlobalSettings::CompletionAuto:
+        {
+            if (!s.isEmpty())
+            {              
+                QString match = s_completion->makeCompletion( s );
+                if ( !match.isNull() && match != s )
+                {
+                  QString adds = prevAddr + match;
+                  setCompletedText( adds );
+                }
+                break;
+            }
+        }        
+        case KGlobalSettings::CompletionNone:
+        default: // fall through        
+            break;
+    }
+}
+
+//-----------------------------------------------------------------------------
+void AddressLineEdit::slotPopupCompletion( const QString& completion )
+{
+    setText( m_previousAddresses + completion );
+    cursorAtEnd();
+}
+
+//-----------------------------------------------------------------------------
+void AddressLineEdit::loadAddresses()
+{
+    s_completion->clear();
+    s_addressesDirty = false;
+
+    QStringList adrs = addresses();
+    for( QStringList::ConstIterator it = adrs.begin(); it != adrs.end(); ++it)
+        addAddress( *it );
+}
+
+void AddressLineEdit::addAddress( const QString& adr )
+{
+    s_completion->addItem( adr );
+    int pos = adr.find( '<' );
+    if( pos >= 0 )
+    {
+        ++pos;
+        int pos2 = adr.find( pos, '>' );
+        if( pos2 >= 0 )
+            s_completion->addItem( adr.mid( pos, pos2 - pos ));
+    }
+}
+
+void AddressLineEdit::slotStartLDAPLookup()
+{
+    if( !s_LDAPSearch->isAvailable() || s_LDAPLineEdit != this )
+        return;
+    startLoadingLDAPEntries();
+}
+
+void AddressLineEdit::stopLDAPLookup()
+{
+    s_LDAPSearch->cancelSearch();
+    s_LDAPLineEdit = NULL;
+}
+
+void AddressLineEdit::startLoadingLDAPEntries()
+{
+    QString s( *s_LDAPText );
+    // TODO cache last?
+    QString prevAddr;
+    int n = s.findRev(',');
+    if (n>= 0)
+    {
+        prevAddr = s.left(n+1) + ' ';
+        s = s.mid(n+1,255).stripWhiteSpace();
+    }
+    if( s.length() == 0 )
+        return;
+    
+    loadAddresses(); // TODO reuse these?
+    s_LDAPSearch->startSearch( s );
+}
+
+void AddressLineEdit::slotLDAPSearchData( const QStringList& adrs )
+{
+    if( s_LDAPLineEdit != this )
+        return;
+    for( QStringList::ConstIterator it = adrs.begin(); it != adrs.end(); ++it ) {
+        QString name(*it);
+        int pos = name.find( " <" );
+        int pos_comma = name.find( ',' );
+        // put name in quotes, if we have a comma in the name
+        if (pos>0 && pos_comma>0 && pos_comma<pos) {
+          name.insert(pos, '\"');
+          name.prepend('\"');
+        }
+        addAddress( name );
+    }
+    
+    if( hasFocus() || completionBox()->hasFocus())
+    {
+        if( completionMode() != KGlobalSettings::CompletionNone )
+        {
+            doCompletion( false );
+        }
+    }
+}
+
+QStringList AddressLineEdit::removeMailDupes( const QStringList& adrs )
+{
+    QStringList src = adrs;
+    qHeapSort( src );
+    QString last;
+    for( QStringList::Iterator it = src.begin(); it != src.end(); ) {
+        if( *it == last )
+        {
+            it = src.remove( it );
+            continue; // dupe
+        }
+        last = *it;
+        ++it;
+    }
+    return src;
+}
+
+//-----------------------------------------------------------------------------
+void AddressLineEdit::dropEvent(QDropEvent *e)
+{
+  KURL::List uriList;
+  if(KURLDrag::canDecode(e) && KURLDrag::decode( e, uriList ))
+  {
+    QString ct = text();
+    KURL::List::Iterator it = uriList.begin();
+    for (; it != uriList.end(); ++it)
+    {
+      if (!ct.isEmpty()) ct.append(", ");
+      KURL u(*it);
+      if ((*it).protocol() == "mailto")
+          ct.append( (*it).path() );
+      else
+          ct.append( (*it).url() );
+    }
+    setText(ct);
+    setEdited( true );
+  }
+  else {
+    if (m_useCompletion)
+       m_smartPaste = true;
+    QLineEdit::dropEvent(e);
+    m_smartPaste = false;
+  }
+}
+
+
+QStringList AddressLineEdit::addresses()
+{
+  QApplication::setOverrideCursor( KCursor::waitCursor() ); // loading might take a while
+
+  QStringList result;
+  QString space(" ");
+  QRegExp needQuotes("[^ 0-9A-Za-z\\x0080-\\xFFFF]");
+  QString endQuote("\" ");
+  QString addr, email;
+
+  KABC::AddressBook *addressBook = KABC::StdAddressBook::self();
+  KABC::AddressBook::Iterator it;
+  for( it = addressBook->begin(); it != addressBook->end(); ++it ) {
+    QStringList emails = (*it).emails();
+    
+    QString n = (*it).prefix() + space +
+                (*it).givenName() + space +
+                (*it).additionalName() + space +
+                (*it).familyName() + space +
+                (*it).suffix();
+    
+    n = n.simplifyWhiteSpace();
+
+    QStringList::ConstIterator mit;
+
+    for ( mit = emails.begin(); mit != emails.end(); ++mit ) {
+      email = *mit;
+      if (!email.isEmpty()) {
+        if (n.isEmpty() || (email.find( '<' ) != -1))
+          addr = QString::null;
+        else { /* do we really need quotes around this name ? */
+                if (n.find(needQuotes) != -1)
+            addr = '"' + n + endQuote;
+          else
+            addr = n + space;
+        }
+
+        if (!addr.isEmpty() && (email.find( '<' ) == -1)
+            && (email.find( '>' ) == -1)
+            && (email.find( ',' ) == -1))
+          addr += '<' + email + '>';
+        else
+          addr += email;
+        addr = addr.stripWhiteSpace();
+        result.append( addr );
+      }
+    }
+  }
+  
+  KABC::DistributionListManager manager( addressBook );
+  manager.load();
+  result += manager.listNames();
+
+  QApplication::restoreOverrideCursor();
+
+  return result;
+}
+
+#include "addresslineedit.moc"