1 files changed, 729 insertions, 0 deletions

diff --git a/libopie2/qt3/opieui/olineedit.cpp b/libopie2/qt3/opieui/olineedit.cpp
new file mode 100644
index 0000000..9cb0cff
--- a/dev/null
+++ b/libopie2/qt3/opieui/olineedit.cpp
@@ -0,0 +1,729 @@
+/*
+  This file                  Copyright (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+    is part of the           Copyright (C) 2001 Carsten Pfeiffer <pfeiffer@kde.org>, Dawit Alemayehu <adawit@kde.org>
+       Opie Project          Copyright (C) 1999 Preston Brown <pbrown@kde.org>, Patrick Ward <PAT_WARD@HP-USA-om5.om.hp.com>
+                             Copyright (C) 1997 Sven Radej (sven.radej@iname.com)
+              =.
+            .=l.             Originally part of the KDE Project
+           .>+-=
+ _;:,     .>    :=|.         This program 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 program 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.
+
+*/
+
+/* QT */
+
+#include <qapplication.h>
+#include <qclipboard.h>
+#include <qtimer.h>
+#include <qpopupmenu.h>
+
+/* OPIE */
+
+#include <opie2/ocompletionbox.h>
+#include <opie2/olineedit.h>
+#include <opie2/oglobalsettings.h>
+
+typedef QString KURL; //FIXME: Revise for Opie
+
+/*======================================================================================
+ * OLineEditPrivate
+ *======================================================================================*/
+
+class OLineEdit::OLineEditPrivate
+{
+public:
+    OLineEditPrivate()
+    {
+        grabReturnKeyEvents = false;
+        handleURLDrops = true;
+        completionBox = 0L;
+    }
+    ~OLineEditPrivate()
+    {
+        delete completionBox;
+    }
+
+    bool grabReturnKeyEvents;
+    bool handleURLDrops;
+    OCompletionBox *completionBox;
+};
+
+
+/*======================================================================================
+ * OLineEdit
+ *======================================================================================*/
+
+OLineEdit::OLineEdit( const QString &string, QWidget *parent, const char *name )
+    : QLineEdit( string, parent, name )
+{
+    init();
+}
+
+OLineEdit::OLineEdit( QWidget *parent, const char *name )
+    : QLineEdit( parent, name )
+{
+    init();
+}
+
+OLineEdit::~OLineEdit ()
+{
+    delete d;
+}
+
+void OLineEdit::init()
+{
+    d = new OLineEditPrivate;
+    possibleTripleClick = false;
+    // Enable the context menu by default.
+    setContextMenuEnabled( true );
+    //OCursor::setAutoHideCursor( this, true, true );
+    installEventFilter( this );
+}
+
+void OLineEdit::setCompletionMode( OGlobalSettings::Completion mode )
+{
+    OGlobalSettings::Completion oldMode = completionMode();
+    if ( oldMode != mode && oldMode == OGlobalSettings::CompletionPopup &&
+         d->completionBox && d->completionBox->isVisible() )
+        d->completionBox->hide();
+
+    // If the widgets echo mode is not Normal, no completion
+    // feature will be enabled even if one is requested.
+    if ( echoMode() != QLineEdit::Normal )
+        mode = OGlobalSettings::CompletionNone; // Override the request.
+
+    OCompletionBase::setCompletionMode( mode );
+}
+
+void OLineEdit::setCompletedText( const QString& t, bool marked )
+{
+    QString txt = text();
+    if ( t != txt )
+    {
+        int curpos = marked ? txt.length() : t.length();
+        validateAndSet( t, curpos, curpos, t.length() );
+    }
+}
+
+void OLineEdit::setCompletedText( const QString& text )
+{
+    OGlobalSettings::Completion mode = completionMode();
+    bool marked = ( mode == OGlobalSettings::CompletionAuto ||
+                    mode == OGlobalSettings::CompletionMan ||
+                    mode == OGlobalSettings::CompletionPopup );
+    setCompletedText( text, marked );
+}
+
+void OLineEdit::rotateText( OCompletionBase::KeyBindingType type )
+{
+    OCompletion* comp = compObj();
+    if ( comp &&
+       (type == OCompletionBase::PrevCompletionMatch ||
+        type == OCompletionBase::NextCompletionMatch ) )
+    {
+       QString input = (type == OCompletionBase::PrevCompletionMatch) ? comp->previousMatch() : comp->nextMatch();
+       // Skip rotation if previous/next match is null or the same text
+       if ( input.isNull() || input == displayText() )
+            return;
+       #if QT_VERSION > 290
+       setCompletedText( input, hasSelectedText() );
+       #else
+       setCompletedText( input, hasMarkedText() );
+       #endif
+    }
+}
+
+void OLineEdit::makeCompletion( const QString& text )
+{
+    OCompletion *comp = compObj();
+    if ( !comp )
+        return;  // No completion object...
+
+    QString match = comp->makeCompletion( text );
+    OGlobalSettings::Completion mode = completionMode();
+    if ( mode == OGlobalSettings::CompletionPopup )
+    {
+        if ( match.isNull() )
+        {
+            if ( d->completionBox ) {
+                d->completionBox->hide();
+                d->completionBox->clear();
+            }
+        }
+        else
+            setCompletedItems( comp->allMatches() );
+    }
+    else
+    {
+        // all other completion modes
+        // If no match or the same match, simply return without completing.
+        if ( match.isNull() || match == text )
+            return;
+
+        setCompletedText( match );
+    }
+}
+
+void OLineEdit::setReadOnly(bool readOnly)
+{
+    QPalette p = palette();
+    if (readOnly)
+    {
+        QColor color = p.color(QPalette::Disabled, QColorGroup::Background);
+        p.setColor(QColorGroup::Base, color);
+        p.setColor(QColorGroup::Background, color);
+    }
+    else
+    {
+        QColor color = p.color(QPalette::Normal, QColorGroup::Base);
+        p.setColor(QColorGroup::Base, color);
+        p.setColor(QColorGroup::Background, color);
+    }
+    setPalette(p);
+
+    QLineEdit::setReadOnly (readOnly);
+}
+
+void OLineEdit::keyPressEvent( QKeyEvent *e )
+{
+    qDebug( "OLineEdit::keyPressEvent()" );
+    
+    /*
+    
+    KKey key( e );
+
+    if ( KStdAccel::copy().contains( key ) ) {
+        copy();
+        return;
+    }
+    else if ( KStdAccel::paste().contains( key ) ) {
+        paste();
+        return;
+    }
+    else if ( KStdAccel::cut().contains( key ) ) {
+        cut();
+        return;
+    }
+    else if ( KStdAccel::undo().contains( key ) ) {
+        undo();
+        return;
+    }
+    else if ( KStdAccel::redo().contains( key ) ) {
+        redo();
+        return;
+    }
+    else if ( KStdAccel::deleteWordBack().contains( key ) )
+    {
+        cursorWordBackward(TRUE);
+        if ( hasSelectedText() )
+            del();
+
+        e->accept();
+        return;
+    }
+    else if ( KStdAccel::deleteWordForward().contains( key ) )
+    {
+        // Workaround for QT bug where
+        cursorWordForward(TRUE);
+        if ( hasSelectedText() )
+            del();
+
+        e->accept();
+        return;
+    }
+    */
+    
+    // Filter key-events if EchoMode is normal &
+    // completion mode is not set to CompletionNone
+    if ( echoMode() == QLineEdit::Normal &&
+         completionMode() != OGlobalSettings::CompletionNone )
+    {
+        KeyBindingMap keys = getKeyBindings();
+        OGlobalSettings::Completion mode = completionMode();
+        bool noModifier = (e->state() == NoButton || e->state()== ShiftButton);
+
+        if ( (mode == OGlobalSettings::CompletionAuto ||
+              mode == OGlobalSettings::CompletionMan) && noModifier )
+        {
+            QString keycode = e->text();
+            if ( !keycode.isNull() && keycode.unicode()->isPrint() )
+            {
+                QLineEdit::keyPressEvent ( e );
+                QString txt = text();
+                int len = txt.length();
+                #if QT_VERSION > 290
+                if ( !hasSelectedText() && len && cursorPosition() == len )
+                #else
+                if ( !hasMarkedText() && len && cursorPosition() == len )
+                #endif
+                {
+                    if ( emitSignals() )
+                        emit completion( txt );
+                    if ( handleSignals() )
+                        makeCompletion( txt );
+                    e->accept();
+                }
+                return;
+            }
+        }
+
+        else if ( mode == OGlobalSettings::CompletionPopup && noModifier )
+        {
+            qDebug( "OLineEdit::keyPressEvent() - global settings = CompletionPopup & noModifier" );
+
+            QString old_txt = text();
+            QLineEdit::keyPressEvent ( e );
+            QString txt = text();
+            int len = txt.length();
+            QString keycode = e->text();
+
+
+            if ( txt != old_txt && len && cursorPosition() == len &&
+                 ( (!keycode.isNull() && keycode.unicode()->isPrint()) ||
+                   e->key() == Key_Backspace ) )
+            {
+                if ( emitSignals() )
+                    emit completion( txt ); // emit when requested...
+                if ( handleSignals() )
+                    makeCompletion( txt );  // handle when requested...
+                e->accept();
+            }
+            else if (!len && d->completionBox && d->completionBox->isVisible())
+                d->completionBox->hide();
+
+            return;
+        }
+
+        /*else if ( mode == OGlobalSettings::CompletionShell )
+        {
+            // Handles completion.
+            KShortcut cut;
+            if ( keys[TextCompletion].isNull() )
+                cut = KStdAccel::shortcut(KStdAccel::TextCompletion);
+            else
+                cut = keys[TextCompletion];
+
+            if ( cut.contains( key ) )
+            {
+                // Emit completion if the completion mode is CompletionShell
+                // and the cursor is at the end of the string.
+                QString txt = text();
+                int len = txt.length();
+                if ( cursorPosition() == len && len != 0 )
+                {
+                    if ( emitSignals() )
+                        emit completion( txt );
+                    if ( handleSignals() )
+                        makeCompletion( txt );
+                    return;
+                }
+            }
+            else if ( d->completionBox )
+                d->completionBox->hide();
+        }
+
+        // handle rotation
+        if ( mode != OGlobalSettings::CompletionNone )
+        {
+            // Handles previous match
+            KShortcut cut;
+            if ( keys[PrevCompletionMatch].isNull() )
+                cut = KStdAccel::shortcut(KStdAccel::PrevCompletion);
+            else
+                cut = keys[PrevCompletionMatch];
+
+            if ( cut.contains( key ) )
+            {
+                if ( emitSignals() )
+                    emit textRotation( OCompletionBase::PrevCompletionMatch );
+                if ( handleSignals() )
+                    rotateText( OCompletionBase::PrevCompletionMatch );
+                return;
+            }
+
+            // Handles next match
+            if ( keys[NextCompletionMatch].isNull() )
+                cut = KStdAccel::key(KStdAccel::NextCompletion);
+            else
+                cut = keys[NextCompletionMatch];
+
+            if ( cut.contains( key ) )
+            {
+                if ( emitSignals() )
+                    emit textRotation( OCompletionBase::NextCompletionMatch );
+                if ( handleSignals() )
+                    rotateText( OCompletionBase::NextCompletionMatch );
+                return;
+            }
+        }
+
+        // substring completion
+        if ( compObj() )
+        {
+            KShortcut cut;
+            if ( keys[SubstringCompletion].isNull() )
+                cut = KStdAccel::shortcut(KStdAccel::SubstringCompletion);
+            else
+                cut = keys[SubstringCompletion];
+
+            if ( cut.contains( key ) )
+            {
+                if ( emitSignals() )
+                    emit substringCompletion( text() );
+                if ( handleSignals() )
+                {
+                    setCompletedItems( compObj()->substringCompletion(text()));
+                    e->accept();
+                }
+                return;
+            }
+        } */
+    }   
+
+    // Let QLineEdit handle any other keys events.
+    QLineEdit::keyPressEvent ( e );
+}
+
+void OLineEdit::mouseDoubleClickEvent( QMouseEvent* e )
+{
+    if ( e->button() == Qt::LeftButton  )
+    {
+        possibleTripleClick=true;
+        QTimer::singleShot( QApplication::doubleClickInterval(),this,
+                            SLOT(tripleClickTimeout()) );
+    }
+    QLineEdit::mouseDoubleClickEvent( e );
+}
+
+void OLineEdit::mousePressEvent( QMouseEvent* e )
+{
+    if ( possibleTripleClick && e->button() == Qt::LeftButton )
+    {
+        selectAll();
+        return;
+    }
+    QLineEdit::mousePressEvent( e );
+}
+
+void OLineEdit::tripleClickTimeout()
+{
+    possibleTripleClick=false;
+}
+
+QPopupMenu *OLineEdit::createPopupMenu()
+{
+    // Return if popup menu is not enabled !!
+    if ( !m_bEnableMenu )
+        return 0;
+
+    #if QT_VERSION > 290
+    QPopupMenu *popup = QLineEdit::createPopupMenu();
+    #else
+    QPopupMenu *popup = new QPopupMenu();
+    #warning OLineEdit is not fully functional on Qt2
+    #endif
+
+    // completion object is present.
+    if ( compObj() )
+    {
+        QPopupMenu *subMenu = new QPopupMenu( popup );
+        connect( subMenu, SIGNAL( activated( int ) ),
+                 this, SLOT( completionMenuActivated( int ) ) );
+
+        popup->insertSeparator();
+        //popup->insertItem( SmallIconSet("completion"), i18n("Text Completion"),
+        //                   subMenu );
+
+        popup->insertItem( tr("Text Completion"), subMenu );
+
+        subMenu->insertItem( tr("None"), NoCompletion );
+        subMenu->insertItem( tr("Manual"), ShellCompletion );
+        subMenu->insertItem( tr("Automatic"), AutoCompletion );
+        subMenu->insertItem( tr("Dropdown List"), PopupCompletion );
+        subMenu->insertItem( tr("Short Automatic"), SemiAutoCompletion );
+
+        //subMenu->setAccel( KStdAccel::completion(), ShellCompletion );
+        subMenu->setAccel( Key_Tab, ShellCompletion );
+
+        OGlobalSettings::Completion mode = completionMode();
+        subMenu->setItemChecked( NoCompletion,
+                                 mode == OGlobalSettings::CompletionNone );
+        subMenu->setItemChecked( ShellCompletion,
+                                 mode == OGlobalSettings::CompletionShell );
+        subMenu->setItemChecked( PopupCompletion,
+                                 mode == OGlobalSettings::CompletionPopup );
+        subMenu->setItemChecked( AutoCompletion,
+                                 mode == OGlobalSettings::CompletionAuto );
+        subMenu->setItemChecked( SemiAutoCompletion,
+                                 mode == OGlobalSettings::CompletionMan );
+        if ( mode != OGlobalSettings::completionMode() )
+        {
+            subMenu->insertSeparator();
+            subMenu->insertItem( tr("Default"), Default );
+        }
+    }
+    // ### do we really need this?  Yes, Please do not remove!  This
+    // allows applications to extend the popup menu without having to
+    // inherit from this class! (DA)
+    emit aboutToShowContextMenu( popup );
+
+    return popup;
+}
+
+void OLineEdit::completionMenuActivated( int id )
+{
+    OGlobalSettings::Completion oldMode = completionMode();
+
+    switch ( id )
+    {
+        case Default:
+           setCompletionMode( OGlobalSettings::completionMode() ); break;
+        case NoCompletion:
+           setCompletionMode( OGlobalSettings::CompletionNone ); break;
+        case AutoCompletion:
+            setCompletionMode( OGlobalSettings::CompletionAuto ); break;
+        case SemiAutoCompletion:
+            setCompletionMode( OGlobalSettings::CompletionMan ); break;
+        case ShellCompletion:
+            setCompletionMode( OGlobalSettings::CompletionShell ); break;
+        case PopupCompletion:
+            setCompletionMode( OGlobalSettings::CompletionPopup ); break;
+        default: return;
+    }
+
+    if ( oldMode != completionMode() )
+    {
+        if ( oldMode == OGlobalSettings::CompletionPopup &&
+             d->completionBox && d->completionBox->isVisible() )
+            d->completionBox->hide();
+        emit completionModeChanged( completionMode() );
+    }
+}
+
+/*void OLineEdit::dropEvent(QDropEvent *e)
+{
+    KURL::List urlList;
+    if( d->handleURLDrops && KURLDrag::decode( e, urlList ) )
+    {
+        QString dropText = text();
+        KURL::List::ConstIterator it;
+        for( it = urlList.begin() ; it != urlList.end() ; ++it )
+        {
+            if(!dropText.isEmpty())
+                dropText+=' ';
+
+            dropText += (*it).prettyURL();
+        }
+
+        validateAndSet( dropText, dropText.length(), 0, 0);
+
+        e->accept();
+    }
+    else
+        QLineEdit::dropEvent(e);
+}*/
+
+bool OLineEdit::eventFilter( QObject* o, QEvent* ev )
+{
+    if( o == this )
+    {
+        //OCursor::autoHideEventFilter( this, ev );
+        if ( ev->type() == QEvent::AccelOverride )
+        {
+            QKeyEvent *e = static_cast<QKeyEvent *>( ev );
+          //  if (overrideAccel (e))
+          //  {
+          //      e->accept();
+          //      return true;
+          //  }
+        }
+        else if( ev->type() == QEvent::KeyPress )
+        {
+            QKeyEvent *e = static_cast<QKeyEvent *>( ev );
+
+            if( e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter )
+            {
+                bool trap = d->completionBox && d->completionBox->isVisible();
+
+                // Qt will emit returnPressed() itself if we return false
+                if ( d->grabReturnKeyEvents || trap )
+                    emit QLineEdit::returnPressed();
+
+                emit returnPressed( displayText() );
+
+                if ( trap )
+                    d->completionBox->hide();
+
+                // Eat the event if the user asked for it, or if a completionbox was visible
+                return d->grabReturnKeyEvents || trap;
+            }
+        }
+    }
+    return QLineEdit::eventFilter( o, ev );
+}
+
+
+void OLineEdit::setURLDropsEnabled(bool enable)
+{
+    d->handleURLDrops=enable;
+}
+
+bool OLineEdit::isURLDropsEnabled() const
+{
+    return d->handleURLDrops;
+}
+
+void OLineEdit::setTrapReturnKey( bool grab )
+{
+    d->grabReturnKeyEvents = grab;
+}
+
+bool OLineEdit::trapReturnKey() const
+{
+    return d->grabReturnKeyEvents;
+}
+
+/*void OLineEdit::setURL( const KURL& url )
+{
+    QLineEdit::setText( url.prettyURL() );
+}*/
+
+void OLineEdit::makeCompletionBox()
+{
+    if ( d->completionBox )
+        return;
+
+    d->completionBox = new OCompletionBox( this, "completion box" );
+    if ( handleSignals() )
+    {
+        connect( d->completionBox, SIGNAL(highlighted( const QString& )),
+                 SLOT(setText( const QString& )) );
+        connect( d->completionBox, SIGNAL(userCancelled( const QString& )),
+                 SLOT(setText( const QString& )) );
+
+        // Nice lil' hacklet ;) KComboBox doesn't know when the completionbox
+        // is created (childEvent() is even more hacky, IMHO), so we simply
+        // forward the completionbox' activated signal from here.
+        if ( parentWidget() && parentWidget()->inherits("KComboBox") )
+            connect( d->completionBox, SIGNAL( activated( const QString& )),
+                     parentWidget(), SIGNAL( activated( const QString & )));
+    }
+}
+
+/*bool OLineEdit::overrideAccel (const QKeyEvent* e)
+{
+  KShortcut scKey;
+
+  KKey key( e );
+  KeyBindingMap keys = getKeyBindings();
+
+  if (keys[TextCompletion].isNull())
+    scKey = KStdAccel::shortcut(KStdAccel::TextCompletion);
+  else
+    scKey = keys[TextCompletion];
+
+  if (scKey.contains( key ))
+    return true;
+
+  if (keys[NextCompletionMatch].isNull())
+    scKey = KStdAccel::shortcut(KStdAccel::NextCompletion);
+  else
+    scKey = keys[NextCompletionMatch];
+
+  if (scKey.contains( key ))
+    return true;
+
+  if (keys[PrevCompletionMatch].isNull())
+    scKey = KStdAccel::shortcut(KStdAccel::PrevCompletion);
+   else
+    scKey = keys[PrevCompletionMatch];
+
+  if (scKey.contains( key ))
+    return true;
+
+  if (KStdAccel::deleteWordBack().contains( key ))
+    return true;
+  if (KStdAccel::deleteWordForward().contains( key ))
+    return true;
+
+  if (d->completionBox && d->completionBox->isVisible ())
+    if (e->key () == Key_Backtab)
+      return true;
+
+  return false;
+}*/
+
+void OLineEdit::setCompletedItems( const QStringList& items )
+{
+    QString txt = text();
+    if ( !items.isEmpty() &&
+         !(items.count() == 1 && txt == items.first()) )
+    {
+        if ( !d->completionBox )
+            makeCompletionBox();
+
+        if ( !txt.isEmpty() )
+            d->completionBox->setCancelledText( txt );
+        d->completionBox->setItems( items );
+        d->completionBox->popup();
+    }
+    else
+    {
+        if ( d->completionBox && d->completionBox->isVisible() )
+            d->completionBox->hide();
+    }
+}
+
+OCompletionBox * OLineEdit::completionBox( bool create )
+{
+    if ( create )
+        makeCompletionBox();
+
+    return d->completionBox;
+}
+
+void OLineEdit::setCompletionObject( OCompletion* comp, bool hsig )
+{
+    OCompletion *oldComp = compObj();
+    if ( oldComp && handleSignals() )
+        disconnect( oldComp, SIGNAL( matches( const QStringList& )),
+                    this, SLOT( setCompletedItems( const QStringList& )));
+
+    if ( comp && hsig )
+      connect( comp, SIGNAL( matches( const QStringList& )),
+               this, SLOT( setCompletedItems( const QStringList& )));
+
+    OCompletionBase::setCompletionObject( comp, hsig );
+}
+
+// QWidget::create() turns off mouse-Tracking which would break auto-hiding
+void OLineEdit::create( WId id, bool initializeWindow, bool destroyOldWindow )
+{
+    QLineEdit::create( id, initializeWindow, destroyOldWindow );
+    //OCursor::setAutoHideCursor( this, true, true );
+}
+
+void OLineEdit::clear()
+{
+    setText( QString::null );
+}