Пример #1
0
void KLineEdit::setCompletedText( const QString& t, bool marked )
{
    if ( !d->autoSuggest )
      return;

    QString txt = text();

    if ( t != txt )
    {
        int start = marked ? txt.length() : t.length();
        validateAndSet( t, cursorPosition(), start, t.length() );
        setUserSelection(false);
    }
    else
      setUserSelection(true);

}
Пример #2
0
void KonqComboLineEdit::setCompletedItems( const QStringList& items, bool )
{
    QString txt;
    KonqComboCompletionBox *completionbox = static_cast<KonqComboCompletionBox*>( completionBox() );

    if ( completionbox && completionbox->isVisible() )
        // The popup is visible already - do the matching on the initial string,
        // not on the currently selected one.
        txt = completionbox->cancelledText();
    else
        txt = text();

    if ( !items.isEmpty() && !(items.count() == 1 && txt == items.first()) ) {
        if ( !completionBox( false ) ) {
            setCompletionBox( new KonqComboCompletionBox( this ) );
            completionbox = static_cast<KonqComboCompletionBox*>( completionBox() );
        }

        if ( completionbox->isVisible() ) {

            // This code is copied from KLineEdit::setCompletedItems
            QListWidgetItem* currentItem = completionbox->currentItem();

            QString currentSelection;
            if ( currentItem != 0 ) {
                currentSelection = currentItem->text();
            }

            completionbox->setItems( items );
            const QList<QListWidgetItem*> matchedItems = completionbox->findItems(currentSelection, Qt::MatchExactly);
            QListWidgetItem* matchedItem = matchedItems.isEmpty() ? 0 : matchedItems.first();

            if (matchedItem) {
                const bool blocked = completionbox->blockSignals(true);
                completionbox->setCurrentItem(matchedItem);
                completionbox->blockSignals(blocked);
            } else {
                completionbox->setCurrentRow(-1);
            }
        }
        else { // completion box not visible yet -> show it
            if ( !txt.isEmpty() )
                completionbox->setCancelledText( txt );
            completionbox->setItems( items );
            completionbox->popup();
        }

        if ( autoSuggest() ) {
            int index = items.first().indexOf( txt );
            QString newText = items.first().mid( index );
            setUserSelection( false );
            setCompletedText( newText, true );
        }
    }
    else
        if ( completionbox && completionbox->isVisible() )
            completionbox->hide();
}
Пример #3
0
void KLineEdit::makeCompletion( const QString& text )
{
    KCompletion *comp = compObj();
    KGlobalSettings::Completion mode = completionMode();

    if ( !comp || mode == KGlobalSettings::CompletionNone )
        return;  // No completion object...

    QString match = comp->makeCompletion( text );

    if ( mode == KGlobalSettings::CompletionPopup ||
         mode == KGlobalSettings::CompletionPopupAuto )
    {
        if ( match.isNull() )
        {
            if ( d->completionBox )
            {
                d->completionBox->hide();
                d->completionBox->clear();
            }
        }
        else
            setCompletedItems( comp->allMatches() );
    }
    else // Auto,  ShortAuto (Man) and Shell
    {
        // all other completion modes
        // If no match or the same match, simply return without completing.
        if ( match.isNull() || match == text )
            return;

        if ( mode != KGlobalSettings::CompletionShell )
            setUserSelection(false);

        if ( d->autoSuggest )
            setCompletedText( match );
    }
}
Пример #4
0
void KLineEdit::keyPressEvent( QKeyEvent *e )
{
    KKey key( e );

    if ( KStdAccel::copy().contains( key ) )
    {
        copy();
        return;
    }
    else if ( KStdAccel::paste().contains( key ) )
    {
        paste();
        return;
    }
    else if ( KStdAccel::pasteSelection().contains( key ) )
    {
        QString text = QApplication::clipboard()->text( QClipboard::Selection);
        insert( text );
        deselect();
        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;
    }
    else if ( KStdAccel::backwardWord().contains( key ) )
    {
      cursorWordBackward(false);
      e->accept();
      return;
    }
    else if ( KStdAccel::forwardWord().contains( key ) )
    {
      cursorWordForward(false);
      e->accept();
      return;
    }
    else if ( KStdAccel::beginningOfLine().contains( key ) )
    {
      home(false);
      e->accept();
      return;
    }
    else if ( KStdAccel::endOfLine().contains( key ) )
    {
      end(false);
      e->accept();
      return;
    }


    // Filter key-events if EchoMode is normal and
    // completion mode is not set to CompletionNone
    if ( echoMode() == QLineEdit::Normal &&
         completionMode() != KGlobalSettings::CompletionNone )
    {
        KeyBindingMap keys = getKeyBindings();
        KGlobalSettings::Completion mode = completionMode();
        bool noModifier = (e->state() == NoButton ||
                           e->state() == ShiftButton ||
                           e->state() == Keypad);

        if ( (mode == KGlobalSettings::CompletionAuto ||
              mode == KGlobalSettings::CompletionPopupAuto ||
              mode == KGlobalSettings::CompletionMan) && noModifier )
        {
            if ( !d->userSelection && hasSelectedText() &&
                 ( e->key() == Key_Right || e->key() == Key_Left ) &&
                 e->state()==NoButton )
            {
                QString old_txt = text();
                d->disableRestoreSelection = true;
                int start,end;
                getSelection(&start, &end);

                deselect();
                QLineEdit::keyPressEvent ( e );
                int cPosition=cursorPosition();
                if (e->key() ==Key_Right && cPosition > start )
                    validateAndSet(old_txt, cPosition, cPosition, old_txt.length());
                else
                    validateAndSet(old_txt, cPosition, start, old_txt.length());

                d->disableRestoreSelection = false;
                return;
            }

            if ( e->key() == Key_Escape )
            {
                if (hasSelectedText() && !d->userSelection )
                {
                    del();
                    setUserSelection(true);
                }

                // Don't swallow the Escape press event for the case
                // of dialogs, which have Escape associated to Cancel
                e->ignore();
                return;
            }

        }

        if ( (mode == KGlobalSettings::CompletionAuto ||
              mode == KGlobalSettings::CompletionMan) && noModifier )
        {
            QString keycode = e->text();
            if ( !keycode.isEmpty() && (keycode.unicode()->isPrint() ||
                e->key() == Key_Backspace || e->key() == Key_Delete ) )
            {
                bool hasUserSelection=d->userSelection;
                bool hadSelection=hasSelectedText();

                bool cursorNotAtEnd=false;

                int start,end;
                getSelection(&start, &end);
                int cPos = cursorPosition();

                // When moving the cursor, we want to keep the autocompletion as an
                // autocompletion, so we want to process events at the cursor position
                // as if there was no selection. After processing the key event, we
                // can set the new autocompletion again.
                if ( hadSelection && !hasUserSelection && start>cPos )
                {
                    del();
                    setCursorPosition(cPos);
                    cursorNotAtEnd=true;
                }

                d->disableRestoreSelection = true;
                QLineEdit::keyPressEvent ( e );
                d->disableRestoreSelection = false;

                QString txt = text();
                int len = txt.length();
                if ( !hasSelectedText() && len /*&& cursorPosition() == len */)
                {
                    if ( e->key() == Key_Backspace )
                    {
                        if ( hadSelection && !hasUserSelection && !cursorNotAtEnd )
                        {
                            backspace();
                            txt = text();
                            len = txt.length();
                        }

                        if ( !d->backspacePerformsCompletion || !len )
                            d->autoSuggest = false;
                    }

                    if (e->key() == Key_Delete )
                        d->autoSuggest=false;

                    if ( emitSignals() )
                        emit completion( txt );

                    if ( handleSignals() )
                        makeCompletion( txt );

                    if(  (e->key() == Key_Backspace || e->key() == Key_Delete) )
                        d->autoSuggest=true;

                    e->accept();
                }

                return;
            }

        }

        else if (( mode == KGlobalSettings::CompletionPopup ||
                   mode == KGlobalSettings::CompletionPopupAuto ) &&
                   noModifier && !e->text().isEmpty() )
        {
            QString old_txt = text();
            bool hasUserSelection=d->userSelection;
            bool hadSelection=hasSelectedText();
            bool cursorNotAtEnd=false;

            int start,end;
            getSelection(&start, &end);
            int cPos = cursorPosition();
            QString keycode = e->text();

            // When moving the cursor, we want to keep the autocompletion as an
            // autocompletion, so we want to process events at the cursor position
            // as if there was no selection. After processing the key event, we
            // can set the new autocompletion again.
            if (hadSelection && !hasUserSelection && start>cPos &&
               ( (!keycode.isEmpty() && keycode.unicode()->isPrint()) ||
                 e->key() == Key_Backspace || e->key() == Key_Delete ) )
            {
                del();
                setCursorPosition(cPos);
                cursorNotAtEnd=true;
            }

            uint selectedLength=selectedText().length();

            d->disableRestoreSelection = true;
            QLineEdit::keyPressEvent ( e );
            d->disableRestoreSelection = false;

            if (( selectedLength != selectedText().length() ) && !hasUserSelection )
                slotRestoreSelectionColors(); // and set userSelection to true

            QString txt = text();
            int len = txt.length();

            if ( txt != old_txt && len/* && ( cursorPosition() == len || force )*/ &&
                 ( (!keycode.isEmpty() && keycode.unicode()->isPrint()) ||
                   e->key() == Key_Backspace || e->key() == Key_Delete) )
            {
                if ( e->key() == Key_Backspace )
                {
                    if ( hadSelection && !hasUserSelection && !cursorNotAtEnd )
                    {
                        backspace();
                        txt = text();
                        len = txt.length();
                    }

                    if ( !d->backspacePerformsCompletion )
                        d->autoSuggest = false;
                }

                if (e->key() == Key_Delete )
                    d->autoSuggest=false;

                if ( d->completionBox )
                  d->completionBox->setCancelledText( txt );
	
                if ( emitSignals() )
                  emit completion( txt ); // emit when requested...

                if ( handleSignals() ) {
                  makeCompletion( txt );  // handle when requested...
                }

                if ( (e->key() == Key_Backspace || e->key() == Key_Delete ) &&
                    mode == KGlobalSettings::CompletionPopupAuto )
                  d->autoSuggest=true;

                e->accept();
            }
            else if (!len && d->completionBox && d->completionBox->isVisible())
                d->completionBox->hide();

            return;
        }

        else if ( mode == KGlobalSettings::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 != KGlobalSettings::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( KCompletionBase::PrevCompletionMatch );
                if ( handleSignals() )
                    rotateText( KCompletionBase::PrevCompletionMatch );
                return;
            }

            // Handles next match
            if ( keys[NextCompletionMatch].isNull() )
                cut = KStdAccel::shortcut(KStdAccel::NextCompletion);
            else
                cut = keys[NextCompletionMatch];

            if ( cut.contains( key ) )
            {
                if ( emitSignals() )
                    emit textRotation( KCompletionBase::NextCompletionMatch );
                if ( handleSignals() )
                    rotateText( KCompletionBase::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;
            }
        }
    }

    uint selectedLength = selectedText().length();

    // Let QLineEdit handle any other keys events.
    QLineEdit::keyPressEvent ( e );

    if ( selectedLength != selectedText().length() )
        slotRestoreSelectionColors(); // and set userSelection to true
}