Ejemplo n.º 1
0
void GenericCodeEditor::handleKeyBackspace(QKeyEvent * event, QTextCursor & textCursor, bool & updateCursor)
{
    if (event->modifiers() & Qt::META) {
        textCursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::KeepAnchor);
        textCursor.removeSelectedText();
    } else {
        if ( !overwriteMode()
             || (textCursor.positionInBlock() == 0)
             || textCursor.hasSelection() ) {
            QPlainTextEdit::keyPressEvent(event);
        } else {
            // in overwrite mode, backspace should insert a space
            textCursor.beginEditBlock();
            textCursor.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
            QString selectedText = textCursor.selectedText();
            if (selectedText == QStringLiteral(" ") ||
                selectedText == QStringLiteral("\t") ) {
                textCursor.clearSelection();
            } else {
                textCursor.insertText(QString(QChar(' ')));
                textCursor.movePosition(QTextCursor::PreviousCharacter);
            }
            textCursor.endEditBlock();
        }
        updateCursor = true;
    }
}
Ejemplo n.º 2
0
void GenericCodeEditor::toggleOverwriteMode()
{
    setOverwriteMode(!overwriteMode());

    // FIXME: reset cursor to the same position in to force a repaint
    //        there might be a nicer solution for this issue, though
    setTextCursor(textCursor());
}
Ejemplo n.º 3
0
int QHexEdit::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
    _id = QScrollArea::qt_metacall(_c, _id, _a);
    if (_id < 0)
        return _id;
    if (_c == QMetaObject::InvokeMetaMethod) {
        switch (_id) {
        case 0: currentAddressChanged((*reinterpret_cast< int(*)>(_a[1]))); break;
        case 1: currentSizeChanged((*reinterpret_cast< int(*)>(_a[1]))); break;
        case 2: dataChanged(); break;
        case 3: overwriteModeChanged((*reinterpret_cast< bool(*)>(_a[1]))); break;
        case 4: setAddressWidth((*reinterpret_cast< int(*)>(_a[1]))); break;
        case 5: setAddressArea((*reinterpret_cast< bool(*)>(_a[1]))); break;
        case 6: setAsciiArea((*reinterpret_cast< bool(*)>(_a[1]))); break;
        case 7: setHighlighting((*reinterpret_cast< bool(*)>(_a[1]))); break;
        default: ;
        }
        _id -= 8;
    }
#ifndef QT_NO_PROPERTIES
      else if (_c == QMetaObject::ReadProperty) {
        void *_v = _a[0];
        switch (_id) {
        case 0: *reinterpret_cast< QByteArray*>(_v) = data(); break;
        case 1: *reinterpret_cast< int*>(_v) = addressOffset(); break;
        case 2: *reinterpret_cast< QColor*>(_v) = addressAreaColor(); break;
        case 3: *reinterpret_cast< QColor*>(_v) = highlightingColor(); break;
        case 4: *reinterpret_cast< bool*>(_v) = overwriteMode(); break;
        }
        _id -= 5;
    } else if (_c == QMetaObject::WriteProperty) {
        void *_v = _a[0];
        switch (_id) {
        case 0: setData(*reinterpret_cast< QByteArray*>(_v)); break;
        case 1: setAddressOffset(*reinterpret_cast< int*>(_v)); break;
        case 2: setAddressAreaColor(*reinterpret_cast< QColor*>(_v)); break;
        case 3: setHighlightingColor(*reinterpret_cast< QColor*>(_v)); break;
        case 4: setOverwriteMode(*reinterpret_cast< bool*>(_v)); break;
        }
        _id -= 5;
    } else if (_c == QMetaObject::ResetProperty) {
        _id -= 5;
    } else if (_c == QMetaObject::QueryPropertyDesignable) {
        _id -= 5;
    } else if (_c == QMetaObject::QueryPropertyScriptable) {
        _id -= 5;
    } else if (_c == QMetaObject::QueryPropertyStored) {
        _id -= 5;
    } else if (_c == QMetaObject::QueryPropertyEditable) {
        _id -= 5;
    } else if (_c == QMetaObject::QueryPropertyUser) {
        _id -= 5;
    }
#endif // QT_NO_PROPERTIES
    return _id;
}
Ejemplo n.º 4
0
void QScintillaWidget::updateUi()
{
    // Update our editing mode, if needed

    bool newInsertMode = !overwriteMode();

    if (   (newInsertMode != mInsertMode)
        || mEditingModeWidget->text().isEmpty()) {
        mInsertMode = newInsertMode;

        mEditingModeWidget->setText(mInsertMode?"INS":"OVR");
    }
}
Ejemplo n.º 5
0
int QTextControl::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
    _id = QObject::qt_metacall(_c, _id, _a);
    if (_id < 0)
        return _id;
    if (_c == QMetaObject::InvokeMetaMethod) {
        if (_id < 38)
            qt_static_metacall(this, _c, _id, _a);
        _id -= 38;
    }
#ifndef QT_NO_PROPERTIES
      else if (_c == QMetaObject::ReadProperty) {
        void *_v = _a[0];
        switch (_id) {
        case 0: *reinterpret_cast< QString*>(_v) = toHtml(); break;
        case 1: *reinterpret_cast< bool*>(_v) = overwriteMode(); break;
        case 2: *reinterpret_cast< bool*>(_v) = acceptRichText(); break;
        case 3: *reinterpret_cast< int*>(_v) = cursorWidth(); break;
        case 4: *reinterpret_cast< Qt::TextInteractionFlags*>(_v) = textInteractionFlags(); break;
        case 5: *reinterpret_cast< bool*>(_v) = openExternalLinks(); break;
        case 6: *reinterpret_cast< bool*>(_v) = ignoreUnusedNavigationEvents(); break;
        }
        _id -= 7;
    } else if (_c == QMetaObject::WriteProperty) {
        void *_v = _a[0];
        switch (_id) {
        case 0: setHtml(*reinterpret_cast< QString*>(_v)); break;
        case 1: setOverwriteMode(*reinterpret_cast< bool*>(_v)); break;
        case 2: setAcceptRichText(*reinterpret_cast< bool*>(_v)); break;
        case 3: setCursorWidth(*reinterpret_cast< int*>(_v)); break;
        case 4: setTextInteractionFlags(*reinterpret_cast< Qt::TextInteractionFlags*>(_v)); break;
        case 5: setOpenExternalLinks(*reinterpret_cast< bool*>(_v)); break;
        case 6: setIgnoreUnusedNavigationEvents(*reinterpret_cast< bool*>(_v)); break;
        }
        _id -= 7;
    } else if (_c == QMetaObject::ResetProperty) {
        _id -= 7;
    } else if (_c == QMetaObject::QueryPropertyDesignable) {
        _id -= 7;
    } else if (_c == QMetaObject::QueryPropertyScriptable) {
        _id -= 7;
    } else if (_c == QMetaObject::QueryPropertyStored) {
        _id -= 7;
    } else if (_c == QMetaObject::QueryPropertyEditable) {
        _id -= 7;
    } else if (_c == QMetaObject::QueryPropertyUser) {
        _id -= 7;
    }
#endif // QT_NO_PROPERTIES
    return _id;
}
Ejemplo n.º 6
0
void GenericCodeEditor::toggleOverwriteMode()
{
    setOverwriteMode(!overwriteMode());
}
Ejemplo n.º 7
0
void ScCodeEditor::keyPressEvent( QKeyEvent *e )
{
    hideMouseCursor(e);

    QTextCursor cursor( textCursor() );
    bool cursorMoved = true;

    if (e == QKeySequence::MoveToNextWord)
        moveToNextToken( cursor, QTextCursor::MoveAnchor );
    else if (e == QKeySequence::MoveToPreviousWord)
        moveToPreviousToken( cursor, QTextCursor::MoveAnchor );
    else if (e == QKeySequence::SelectNextWord)
        moveToNextToken( cursor, QTextCursor::KeepAnchor );
    else if (e == QKeySequence::SelectPreviousWord)
        moveToPreviousToken( cursor, QTextCursor::KeepAnchor );
    else
        cursorMoved = false;

    if (cursorMoved) {
        setTextCursor( cursor );
        return;
    }

    switch (e->key()) {
    case Qt::Key_Home:
    {
        Qt::KeyboardModifiers mods(e->modifiers());
        if (mods && mods != Qt::ShiftModifier) {
            GenericCodeEditor::keyPressEvent(e);
            return;
        }

        QTextCursor::MoveMode mode =
            mods & Qt::ShiftModifier ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor;

        QTextCursor c(textCursor());
        QTextBlock b(c.block());

        int pos = indentedStartOfLine(b);
        pos += b.position();

        if (c.position() == pos)
            c.movePosition(QTextCursor::StartOfLine, mode);
        else
            c.setPosition(pos, mode);

        setTextCursor(c);

        return;
    }

    case Qt::Key_Backtab:
    {
        QTextCursor cursor = textCursor();
        insertSpaceToNextTabStop( cursor );
        ensureCursorVisible();
        return;
    }
    case Qt::Key_Backspace:
        if (mInsertMatchingTokens && !overwriteMode() && e->modifiers() == 0)
            if (removeMatchingTokens())
                break;
        GenericCodeEditor::keyPressEvent(e);
        break;
    case Qt::Key_Enter:
    case Qt::Key_Return:
    {
        QTextBlock cursorBlock = cursor.block();
        int cursorPosInBlock = cursor.position() - cursorBlock.position();
        TokenIterator nextToken = TokenIterator::rightOf(cursorBlock, cursorPosInBlock);
        if ( nextToken.block() == cursorBlock && nextToken.type() == Token::ClosingBracket )
        {
            cursor.beginEditBlock();
            cursor.insertBlock();
            cursor.insertBlock();
            cursor.endEditBlock();
            cursor.movePosition( QTextCursor::PreviousBlock, QTextCursor::KeepAnchor );
            indent(cursor, JoinEditBlock);
            cursor.movePosition( QTextCursor::EndOfBlock );
        }
        else {
            cursor.beginEditBlock();
            cursor.insertBlock();
            cursor.endEditBlock();
            indent(cursor, JoinEditBlock);
        }
        cursor.setVerticalMovementX(-1);
        setTextCursor(cursor);
        break;
    }
    default:
        if (!overwriteMode() && insertMatchingTokens(e->text()))
            break;
        GenericCodeEditor::keyPressEvent(e);
    }

    mAutoCompleter->keyPress(e);
}
Ejemplo n.º 8
0
void GenericCodeEditor::keyPressEvent(QKeyEvent * e)
{
    hideMouseCursor(e);

    QTextCursor cursor( textCursor() );

    bool updateCursor = false;

    if (e == QKeySequence::InsertLineSeparator) {
        // override to avoid entering a "soft" new line
        cursor.insertBlock();
        updateCursor = true;
    } else {
        switch (e->key()) {

        case Qt::Key_Delete:
            if (e->modifiers() & Qt::META) {
                cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
                cursor.removeSelectedText();
            } else
                QPlainTextEdit::keyPressEvent(e);
            break;

        case Qt::Key_Backspace:
            if (e->modifiers() & Qt::META) {
                cursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::KeepAnchor);
                cursor.removeSelectedText();
            } else {
                if ( !overwriteMode()
                     || (cursor.positionInBlock() == 0)
                     || cursor.hasSelection() ) {
                    QPlainTextEdit::keyPressEvent(e);
                } else {
                    // in overwrite mode, backspace should insert a space
                    cursor.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor);
                    QString selectedText = cursor.selectedText();
                    if (selectedText == QString(" ") ||
                        selectedText == QString("\t") ) {
                        cursor.clearSelection();
                    } else {
                        cursor.insertText(QString(QChar(' ')));
                        cursor.movePosition(QTextCursor::PreviousCharacter);
                    }
                }
                updateCursor = true;
            }
            break;

        case Qt::Key_Down:
        {
            if (cursor.block() == textDocument()->lastBlock()) {
                QTextCursor::MoveMode moveMode = e->modifiers() & Qt::SHIFT ? QTextCursor::KeepAnchor
                                                                            : QTextCursor::MoveAnchor;

                cursor.movePosition(QTextCursor::EndOfBlock, moveMode);
                setTextCursor(cursor);
            } else
                QPlainTextEdit::keyPressEvent(e);
            break;
        }

        case Qt::Key_Up:
        {
            if (cursor.block() == textDocument()->firstBlock()) {
                QTextCursor::MoveMode moveMode = e->modifiers() & Qt::SHIFT ? QTextCursor::KeepAnchor
                                                                            : QTextCursor::MoveAnchor;

                cursor.movePosition(QTextCursor::StartOfBlock, moveMode);
                setTextCursor(cursor);
            } else
                QPlainTextEdit::keyPressEvent(e);
            break;
        }

        default:
            QPlainTextEdit::keyPressEvent(e);

        }
    } // else...

    if (updateCursor) {
        cursor.setVerticalMovementX(-1);
        setTextCursor( cursor );
        ensureCursorVisible();
    }
    doKeyAction(e);
}
Ejemplo n.º 9
0
// ********************************************************************** Handle events
void QHexEdit::keyPressEvent(QKeyEvent *event)
{
    // Cursor movements
    if (event->matches(QKeySequence::MoveToNextChar))
    {
        setCursorPosition(_cursorPosition + 1);
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToPreviousChar))
    {
        setCursorPosition(_cursorPosition - 1);
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToEndOfLine))
    {
        setCursorPosition(_cursorPosition | (2 * BYTES_PER_LINE -1));
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToStartOfLine))
    {
        setCursorPosition(_cursorPosition - (_cursorPosition % (2 * BYTES_PER_LINE)));
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToPreviousLine))
    {
        setCursorPosition(_cursorPosition - (2 * BYTES_PER_LINE));
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToNextLine))
    {
        setCursorPosition(_cursorPosition + (2 * BYTES_PER_LINE));
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToNextPage))
    {
        setCursorPosition(_cursorPosition + (((_rowsShown - 1) * 2 * BYTES_PER_LINE)));
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToPreviousPage))
    {
        setCursorPosition(_cursorPosition - (((_rowsShown - 1) * 2 * BYTES_PER_LINE)));
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToEndOfDocument))
    {
        setCursorPosition(_chunks->size() * 2);
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToStartOfDocument))
    {
        setCursorPosition(0);
        resetSelection(_cursorPosition);
    }

    // Select commands
    if (event->matches(QKeySequence::SelectAll))
    {
        resetSelection(0);
        setSelection(2*_chunks->size() + 1);
    }
    if (event->matches(QKeySequence::SelectNextChar))
    {
        qint64 pos = _cursorPosition + 1;
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectPreviousChar))
    {
        qint64 pos = _cursorPosition - 1;
        setSelection(pos);
        setCursorPosition(pos);
    }
    if (event->matches(QKeySequence::SelectEndOfLine))
    {
        qint64 pos = _cursorPosition - (_cursorPosition % (2 * BYTES_PER_LINE)) + (2 * BYTES_PER_LINE);
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectStartOfLine))
    {
        qint64 pos = _cursorPosition - (_cursorPosition % (2 * BYTES_PER_LINE));
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectPreviousLine))
    {
        qint64 pos = _cursorPosition - (2 * BYTES_PER_LINE);
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectNextLine))
    {
        qint64 pos = _cursorPosition + (2 * BYTES_PER_LINE);
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectNextPage))
    {
        qint64 pos = _cursorPosition + (((viewport()->height() / _pxCharHeight) - 1) * 2 * BYTES_PER_LINE);
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectPreviousPage))
    {
        qint64 pos = _cursorPosition - (((viewport()->height() / _pxCharHeight) - 1) * 2 * BYTES_PER_LINE);
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectEndOfDocument))
    {
        qint64 pos = _chunks->size() * 2;
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectStartOfDocument))
    {
        qint64 pos = 0;
        setCursorPosition(pos);
        setSelection(pos);
    }

    // Edit Commands
    if (!_readOnly)
    {
        if ((QApplication::keyboardModifiers() == Qt::NoModifier) ||
                (QApplication::keyboardModifiers() == Qt::KeypadModifier))
        {
            /* Hex input */
            int key = int(event->text()[0].toLatin1());
            if ((key>='0' && key<='9') || (key>='a' && key <= 'f'))
            {
                if (getSelectionBegin() != getSelectionEnd())
                {
                    if (_overwriteMode)
                    {
                        qint64 len = getSelectionEnd() - getSelectionBegin();
                        replace(getSelectionBegin(), (int)len, QByteArray((int)len, char(0)));
                    }
                    else
                    {
                        remove(getSelectionBegin(), getSelectionEnd() - getSelectionBegin());
                        _bPosCurrent = getSelectionBegin();
                    }
                    setCursorPosition(2*_bPosCurrent);
                    resetSelection(2*_bPosCurrent);
                }

                // If insert mode, then insert a byte
                if (_overwriteMode == false)
                    if ((_cursorPosition % 2) == 0)
                        insert(_bPosCurrent, char(0));

                // Change content
                if (_chunks->size() > 0)
                {
                    QByteArray hexValue = _chunks->data(_bPosCurrent, 1).toHex();
                    if ((_cursorPosition % 2) == 0)
                        hexValue[0] = key;
                    else
                        hexValue[1] = key;

                    replace(_bPosCurrent, QByteArray().fromHex(hexValue)[0]);

                    setCursorPosition(_cursorPosition + 1);
                    resetSelection(_cursorPosition);
                }
            }
        }

        /* Cut */
        if (event->matches(QKeySequence::Cut))
        {
            QByteArray ba = _chunks->data(getSelectionBegin(), getSelectionEnd() - getSelectionBegin()).toHex();
            for (qint64 idx = 32; idx < ba.size(); idx +=33)
                ba.insert(idx, "\n");
            QClipboard *clipboard = QApplication::clipboard();
            clipboard->setText(ba);
            if (_overwriteMode)
            {
                qint64 len = getSelectionEnd() - getSelectionBegin();
                replace(getSelectionBegin(), (int)len, QByteArray((int)len, char(0)));
            }
            else
            {
                remove(getSelectionBegin(), getSelectionEnd() - getSelectionBegin());
            }
            setCursorPosition(2*getSelectionBegin());
            resetSelection(2*getSelectionBegin());
        }

        /* Paste */
        if (event->matches(QKeySequence::Paste))
        {
            QClipboard *clipboard = QApplication::clipboard();
            QByteArray ba = QByteArray().fromHex(clipboard->text().toLatin1());
            if (_overwriteMode)
                replace(_bPosCurrent, ba.size(), ba);
            else
                insert(_bPosCurrent, ba);
            setCursorPosition(_cursorPosition + 2 * ba.size());
            resetSelection(getSelectionBegin());
        }

        /* Delete char */
        if (event->matches(QKeySequence::Delete))
        {
            if (getSelectionBegin() != getSelectionEnd())
            {
                _bPosCurrent = getSelectionBegin();
                if (_overwriteMode)
                {
                    QByteArray ba = QByteArray(getSelectionEnd() - getSelectionBegin(), char(0));
                    replace(_bPosCurrent, ba.size(), ba);
                }
                else
                {
                    remove(_bPosCurrent, getSelectionEnd() - getSelectionBegin());
                }
            }
            else
            {
                if (_overwriteMode)
                    replace(_bPosCurrent, char(0));
                else
                    remove(_bPosCurrent, 1);
            }
            setCursorPosition(2 * _bPosCurrent);
            resetSelection(2 * _bPosCurrent);
        }

        /* Backspace */
        if ((event->key() == Qt::Key_Backspace) && (event->modifiers() == Qt::NoModifier))
        {
            if (getSelectionBegin() != getSelectionEnd())
            {
                _bPosCurrent = getSelectionBegin();
                setCursorPosition(2 * _bPosCurrent);
                if (_overwriteMode)
                {
                    QByteArray ba = QByteArray(getSelectionEnd() - getSelectionBegin(), char(0));
                    replace(_bPosCurrent, ba.size(), ba);
                }
                else
                {
                    remove(_bPosCurrent, getSelectionEnd() - getSelectionBegin());
                }
                resetSelection(2 * _bPosCurrent);
            }
            else
            {
                bool behindLastByte = false;
                if ((_cursorPosition / 2) == _chunks->size())
                    behindLastByte = true;

                _bPosCurrent -= 1;
                if (_overwriteMode)
                    replace(_bPosCurrent, char(0));
                else
                    remove(_bPosCurrent, 1);

                if (!behindLastByte)
                    _bPosCurrent -= 1;
                
                setCursorPosition(2 * _bPosCurrent);
                resetSelection(2 * _bPosCurrent);
            }
        }

        /* undo */
        if (event->matches(QKeySequence::Undo))
        {
            undo();
        }

        /* redo */
        if (event->matches(QKeySequence::Redo))
        {
            redo();
        }
    }

    /* Copy */
    if (event->matches(QKeySequence::Copy))
    {
        QByteArray ba = _chunks->data(getSelectionBegin(), getSelectionEnd() - getSelectionBegin()).toHex();
        for (qint64 idx = 32; idx < ba.size(); idx +=33)
            ba.insert(idx, "\n");
        QClipboard *clipboard = QApplication::clipboard();
        clipboard->setText(ba);
    }

    // Switch between insert/overwrite mode
    if ((event->key() == Qt::Key_Insert) && (event->modifiers() == Qt::NoModifier))
    {
        setOverwriteMode(!overwriteMode());
        setCursorPosition(_cursorPosition);
    }

    // Refresh Event
    if ((event->key() == Qt::Key_F5))
        executableViewer->getMainWindow()->refresh();

    refresh();
}
Ejemplo n.º 10
0
int QPlainTextEdit::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
    _id = QAbstractScrollArea::qt_metacall(_c, _id, _a);
    if (_id < 0)
        return _id;
    if (_c == QMetaObject::InvokeMetaMethod) {
        if (_id < 25)
            qt_static_metacall(this, _c, _id, _a);
        _id -= 25;
    }
#ifndef QT_NO_PROPERTIES
    else if (_c == QMetaObject::ReadProperty) {
        void *_v = _a[0];
        switch (_id) {
        case 0:
            *reinterpret_cast< bool*>(_v) = tabChangesFocus();
            break;
        case 1:
            *reinterpret_cast< QString*>(_v) = documentTitle();
            break;
        case 2:
            *reinterpret_cast< bool*>(_v) = isUndoRedoEnabled();
            break;
        case 3:
            *reinterpret_cast< LineWrapMode*>(_v) = lineWrapMode();
            break;
        case 4:
            *reinterpret_cast< bool*>(_v) = isReadOnly();
            break;
        case 5:
            *reinterpret_cast< QString*>(_v) = toPlainText();
            break;
        case 6:
            *reinterpret_cast< bool*>(_v) = overwriteMode();
            break;
        case 7:
            *reinterpret_cast< int*>(_v) = tabStopWidth();
            break;
        case 8:
            *reinterpret_cast< int*>(_v) = cursorWidth();
            break;
        case 9:
            *reinterpret_cast< Qt::TextInteractionFlags*>(_v) = textInteractionFlags();
            break;
        case 10:
            *reinterpret_cast< int*>(_v) = blockCount();
            break;
        case 11:
            *reinterpret_cast< int*>(_v) = maximumBlockCount();
            break;
        case 12:
            *reinterpret_cast< bool*>(_v) = backgroundVisible();
            break;
        case 13:
            *reinterpret_cast< bool*>(_v) = centerOnScroll();
            break;
        }
        _id -= 14;
    } else if (_c == QMetaObject::WriteProperty) {
        void *_v = _a[0];
        switch (_id) {
        case 0:
            setTabChangesFocus(*reinterpret_cast< bool*>(_v));
            break;
        case 1:
            setDocumentTitle(*reinterpret_cast< QString*>(_v));
            break;
        case 2:
            setUndoRedoEnabled(*reinterpret_cast< bool*>(_v));
            break;
        case 3:
            setLineWrapMode(*reinterpret_cast< LineWrapMode*>(_v));
            break;
        case 4:
            setReadOnly(*reinterpret_cast< bool*>(_v));
            break;
        case 5:
            setPlainText(*reinterpret_cast< QString*>(_v));
            break;
        case 6:
            setOverwriteMode(*reinterpret_cast< bool*>(_v));
            break;
        case 7:
            setTabStopWidth(*reinterpret_cast< int*>(_v));
            break;
        case 8:
            setCursorWidth(*reinterpret_cast< int*>(_v));
            break;
        case 9:
            setTextInteractionFlags(*reinterpret_cast< Qt::TextInteractionFlags*>(_v));
            break;
        case 11:
            setMaximumBlockCount(*reinterpret_cast< int*>(_v));
            break;
        case 12:
            setBackgroundVisible(*reinterpret_cast< bool*>(_v));
            break;
        case 13:
            setCenterOnScroll(*reinterpret_cast< bool*>(_v));
            break;
        }
        _id -= 14;
    } else if (_c == QMetaObject::ResetProperty) {
        _id -= 14;
    } else if (_c == QMetaObject::QueryPropertyDesignable) {
        _id -= 14;
    } else if (_c == QMetaObject::QueryPropertyScriptable) {
        _id -= 14;
    } else if (_c == QMetaObject::QueryPropertyStored) {
        _id -= 14;
    } else if (_c == QMetaObject::QueryPropertyEditable) {
        _id -= 14;
    } else if (_c == QMetaObject::QueryPropertyUser) {
        _id -= 14;
    }
#endif // QT_NO_PROPERTIES
    return _id;
}
Ejemplo n.º 11
0
// ********************************************************************** Handle events
void QHexEdit::keyPressEvent(QKeyEvent *event)
{
    // Cursor movements
    if (event->matches(QKeySequence::MoveToNextChar))
    {
        qint64 pos = _cursorPosition + 1;
        if (_editAreaIsAscii)
            pos += 1;
        setCursorPosition(pos);
        resetSelection(pos);
    }
    if (event->matches(QKeySequence::MoveToPreviousChar))
    {
        qint64 pos = _cursorPosition - 1;
        if (_editAreaIsAscii)
            pos -= 1;
        setCursorPosition(pos);
        resetSelection(pos);
    }
    if (event->matches(QKeySequence::MoveToEndOfLine))
    {
        qint64 pos = _cursorPosition - (_cursorPosition % (2 * _bytesPerLine)) + (2 * _bytesPerLine) - 1;
        setCursorPosition(pos);
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToStartOfLine))
    {
        qint64 pos = _cursorPosition - (_cursorPosition % (2 * _bytesPerLine));
        setCursorPosition(pos);
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToPreviousLine))
    {
        setCursorPosition(_cursorPosition - (2 * _bytesPerLine));
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToNextLine))
    {
        setCursorPosition(_cursorPosition + (2 * _bytesPerLine));
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToNextPage))
    {
        setCursorPosition(_cursorPosition + (((_rowsShown - 1) * 2 * _bytesPerLine)));
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToPreviousPage))
    {
        setCursorPosition(_cursorPosition - (((_rowsShown - 1) * 2 * _bytesPerLine)));
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToEndOfDocument))
    {
        setCursorPosition(_chunks->size() * 2 );
        resetSelection(_cursorPosition);
    }
    if (event->matches(QKeySequence::MoveToStartOfDocument))
    {
        setCursorPosition(0);
        resetSelection(_cursorPosition);
    }

    // Select commands
    if (event->matches(QKeySequence::SelectAll))
    {
        resetSelection(0);
        setSelection(2 * _chunks->size() + 1);
    }
    if (event->matches(QKeySequence::SelectNextChar))
    {
        qint64 pos = _cursorPosition + 1;
        if (_editAreaIsAscii)
            pos += 1;
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectPreviousChar))
    {
        qint64 pos = _cursorPosition - 1;
        if (_editAreaIsAscii)
            pos -= 1;
        setSelection(pos);
        setCursorPosition(pos);
    }
    if (event->matches(QKeySequence::SelectEndOfLine))
    {
        qint64 pos = _cursorPosition - (_cursorPosition % (2 * _bytesPerLine)) + (2 * _bytesPerLine) - 1;
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectStartOfLine))
    {
        qint64 pos = _cursorPosition - (_cursorPosition % (2 * _bytesPerLine));
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectPreviousLine))
    {
        qint64 pos = _cursorPosition - (2 * _bytesPerLine);
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectNextLine))
    {
        qint64 pos = _cursorPosition + (2 * _bytesPerLine);
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectNextPage))
    {
        qint64 pos = _cursorPosition + (((viewport()->height() / _pxCharHeight) - 1) * 2 * _bytesPerLine);
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectPreviousPage))
    {
        qint64 pos = _cursorPosition - (((viewport()->height() / _pxCharHeight) - 1) * 2 * _bytesPerLine);
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectEndOfDocument))
    {
        qint64 pos = _chunks->size() * 2;
        setCursorPosition(pos);
        setSelection(pos);
    }
    if (event->matches(QKeySequence::SelectStartOfDocument))
    {
        qint64 pos = 0;
        setCursorPosition(pos);
        setSelection(pos);
    }

    // Edit Commands
    if (!_readOnly)
    {
        /* Cut */
        if (event->matches(QKeySequence::Cut))
        {
            QByteArray ba = _chunks->data(getSelectionBegin(), getSelectionEnd() - getSelectionBegin()).toHex();
            for (qint64 idx = 32; idx < ba.size(); idx +=33)
                ba.insert(idx, "\n");
            QClipboard *clipboard = QApplication::clipboard();
            clipboard->setText(ba);
            if (_overwriteMode)
            {
                qint64 len = getSelectionEnd() - getSelectionBegin();
                replace(getSelectionBegin(), (int)len, QByteArray((int)len, char(0)));
            }
            else
            {
                remove(getSelectionBegin(), getSelectionEnd() - getSelectionBegin());
            }
            setCursorPosition(2 * getSelectionBegin());
            resetSelection(2 * getSelectionBegin());
        } else

        /* Paste */
        if (event->matches(QKeySequence::Paste))
        {
            QClipboard *clipboard = QApplication::clipboard();
            QByteArray ba = QByteArray().fromHex(clipboard->text().toLatin1());
            if (_overwriteMode)
            {
                ba = ba.left(std::min<qint64>(ba.size(), (_chunks->size() - _bPosCurrent)));
                replace(_bPosCurrent, ba.size(), ba);
            }
            else
                insert(_bPosCurrent, ba);
            setCursorPosition(_cursorPosition + 2 * ba.size());
            resetSelection(getSelectionBegin());
        } else

        /* Delete char */
        if (event->matches(QKeySequence::Delete))
        {
            if (getSelectionBegin() != getSelectionEnd())
            {
                _bPosCurrent = getSelectionBegin();
                if (_overwriteMode)
                {
                    QByteArray ba = QByteArray(getSelectionEnd() - getSelectionBegin(), char(0));
                    replace(_bPosCurrent, ba.size(), ba);
                }
                else
                {
                    remove(_bPosCurrent, getSelectionEnd() - getSelectionBegin());
                }
            }
            else
            {
                if (_overwriteMode)
                    replace(_bPosCurrent, char(0));
                else
                    remove(_bPosCurrent, 1);
            }
            setCursorPosition(2 * _bPosCurrent);
            resetSelection(2 * _bPosCurrent);
        } else

        /* Backspace */
        if ((event->key() == Qt::Key_Backspace) && (event->modifiers() == Qt::NoModifier))
        {
            if (getSelectionBegin() != getSelectionEnd())
            {
                _bPosCurrent = getSelectionBegin();
                setCursorPosition(2 * _bPosCurrent);
                if (_overwriteMode)
                {
                    QByteArray ba = QByteArray(getSelectionEnd() - getSelectionBegin(), char(0));
                    replace(_bPosCurrent, ba.size(), ba);
                }
                else
                {
                    remove(_bPosCurrent, getSelectionEnd() - getSelectionBegin());
                }
                resetSelection(2 * _bPosCurrent);
            }
            else
            {
                bool behindLastByte = false;
                if ((_cursorPosition / 2) == _chunks->size())
                    behindLastByte = true;

                _bPosCurrent -= 1;
                if (_overwriteMode)
                    replace(_bPosCurrent, char(0));
                else
                    remove(_bPosCurrent, 1);

                if (!behindLastByte)
                    _bPosCurrent -= 1;

                setCursorPosition(2 * _bPosCurrent);
                resetSelection(2 * _bPosCurrent);
            }
        } else

        /* undo */
        if (event->matches(QKeySequence::Undo))
        {
            undo();
        } else

        /* redo */
        if (event->matches(QKeySequence::Redo))
        {
            redo();
        } else

        if ((QApplication::keyboardModifiers() == Qt::NoModifier) ||
            (QApplication::keyboardModifiers() == Qt::KeypadModifier) ||
            (QApplication::keyboardModifiers() == Qt::ShiftModifier) ||
            (QApplication::keyboardModifiers() == (Qt::AltModifier | Qt::ControlModifier)) ||
            (QApplication::keyboardModifiers() == Qt::GroupSwitchModifier))
        {
            /* Hex and ascii input */
            int key;
            if (_editAreaIsAscii)
                key = (uchar)event->text()[0].toLatin1();
            else
                key = int(event->text()[0].toLower().toLatin1());

            if ((((key >= '0' && key <= '9') || (key >= 'a' && key <= 'f')) && _editAreaIsAscii == false)
                || (key >= ' ' && _editAreaIsAscii))
            {
                if (getSelectionBegin() != getSelectionEnd())
                {
                    if (_overwriteMode)
                    {
                        qint64 len = getSelectionEnd() - getSelectionBegin();
                        replace(getSelectionBegin(), (int)len, QByteArray((int)len, char(0)));
                    } else
                    {
                        remove(getSelectionBegin(), getSelectionEnd() - getSelectionBegin());
                        _bPosCurrent = getSelectionBegin();
                    }
                    setCursorPosition(2 * _bPosCurrent);
                    resetSelection(2 * _bPosCurrent);
                }

                // If insert mode, then insert a byte
                if (_overwriteMode == false)
                    if ((_cursorPosition % 2) == 0)
                        insert(_bPosCurrent, char(0));

                // Change content
                if (_chunks->size() > 0)
                {
                    char ch = key;
                    if (!_editAreaIsAscii){
                        QByteArray hexValue = _chunks->data(_bPosCurrent, 1).toHex();
                        if ((_cursorPosition % 2) == 0)
                            hexValue[0] = key;
                        else
                            hexValue[1] = key;
                        ch = QByteArray().fromHex(hexValue)[0];
                    }
                    replace(_bPosCurrent, ch);
                    if (_editAreaIsAscii)
                        setCursorPosition(_cursorPosition + 2);
                    else
                        setCursorPosition(_cursorPosition + 1);
                    resetSelection(_cursorPosition);
                }
            }
        }


    }

    /* Copy */
    if (event->matches(QKeySequence::Copy))
    {
        QByteArray ba = _chunks->data(getSelectionBegin(), getSelectionEnd() - getSelectionBegin()).toHex();
        for (qint64 idx = 32; idx < ba.size(); idx +=33)
            ba.insert(idx, "\n");
        QClipboard *clipboard = QApplication::clipboard();
        clipboard->setText(ba);
    }

    // Switch between insert/overwrite mode
    if ((event->key() == Qt::Key_Insert) && (event->modifiers() == Qt::NoModifier))
    {
        setOverwriteMode(!overwriteMode());
        setCursorPosition(_cursorPosition);
    }

    // switch from hex to ascii edit
    if (event->key() == Qt::Key_Tab && !_editAreaIsAscii){
        _editAreaIsAscii = true;
        setCursorPosition(_cursorPosition);
    }

    // switch from ascii to hex edit
    if (event->key() == Qt::Key_Backtab  && _editAreaIsAscii){
        _editAreaIsAscii = false;
        setCursorPosition(_cursorPosition);
    }

    refresh();
}
bool BatchProcessImagesDialog::startProcess()
{
    if (m_convertStatus == STOP_PROCESS)
    {
        endProcess();
        return true;
    }

    QString targetAlbum = m_ui->m_destinationUrl->url().path();

    //TODO check if it is valid also for remote URL's
    // this is a workarond for bug 117397
    QFileInfo dirInfo(targetAlbum + '/');
    if (!dirInfo.isDir() || !dirInfo.isWritable())
    {
        KMessageBox::error(this, i18n("You must specify a writable path for your output file."));
        endProcess();
        return true;
    }

    BatchProcessImagesItem* item = static_cast<BatchProcessImagesItem*>(**m_listFile2Process_iterator);
    m_listFiles->setCurrentItem(item);

    // Lock current item into KIPI host application
    KPFileReadLocker(iface(), item->pathSrc());

    if (prepareStartProcess(item, targetAlbum) == false)   // If there is a problem during the
    {                                                   // preparation -> pass to the next item!
        ++*m_listFile2Process_iterator;
        ++m_progressStatus;
        m_ui->m_progress->setValue((int)((float)m_progressStatus *(float)100 / (float)m_nbItem));
        item = static_cast<BatchProcessImagesItem*>(**m_listFile2Process_iterator);
        m_listFiles->setCurrentItem(item);

        if (**m_listFile2Process_iterator)
        {
            startProcess();
            return true;
        }
        else
        {
            endProcess();
            return true;
        }
    }

    KUrl desturl(targetAlbum + '/' + item->nameDest());

    if (KIO::NetAccess::exists(desturl, KIO::NetAccess::DestinationSide,
                               kapp->activeWindow()) == true)
    {
        switch (overwriteMode())
        {
            case OVERWRITE_ASK:
            {
                int ValRet = KMessageBox::warningYesNoCancel(this,
                            i18n("The destination file \"%1\" already exists;\n"
                                  "do you want overwrite it?", item->nameDest()),
                            i18n("Overwrite Destination Image File"), KStandardGuiItem::cont());

                if (ValRet == KMessageBox::No)
                {
                    item->changeResult(i18n("Skipped."));
                    item->changeError(i18n("destination image file already exists (skipped by user)."));
                    ++*m_listFile2Process_iterator;
                    ++m_progressStatus;
                    m_ui->m_progress->setValue((int)((float)m_progressStatus *(float)100 / (float)m_nbItem));

                    if (**m_listFile2Process_iterator)
                    {
                        startProcess();
                        return true;
                    }
                    else
                    {
                        endProcess();
                        return true;
                    }
                }
                else if (ValRet == KMessageBox::Cancel)
                {
                    processAborted(false);
                    return false;
                }
                else
                {
                    item->setDidOverWrite(true);
                }

                break;
            }

            case OVERWRITE_RENAME:
            {
                QFileInfo Target(targetAlbum + '/' + item->nameDest());
                QString newFileName = RenameTargetImageFile(&Target);

                if (newFileName.isNull())
                {
                    item->changeResult(i18nc("batch process result", "Failed."));
                    item->changeError(i18n("destination image file already exists and cannot be renamed."));
                    ++*m_listFile2Process_iterator;
                    ++m_progressStatus;
                    m_ui->m_progress->setValue((int)((float)m_progressStatus *(float)100 / (float)m_nbItem));

                    if (**m_listFile2Process_iterator)
                    {
                        startProcess();
                        return true;
                    }
                    else
                    {
                        endProcess();
                        return true;
                    }
                }
                else
                {
                    QFileInfo newTarget(newFileName);
                    item->changeNameDest(newTarget.fileName());
                }

                break;
            }

            case OVERWRITE_SKIP:
            {
                item->changeResult(i18n("Skipped."));
                item->changeError(i18n("destination image file already exists (skipped automatically)."));
                ++*m_listFile2Process_iterator;
                ++m_progressStatus;
                m_ui->m_progress->setValue((int)((float)m_progressStatus *(float)100 / (float)m_nbItem));

                if (**m_listFile2Process_iterator)
                {
                    startProcess();
                    return true;
                }
                else
                {
                    endProcess();
                    return true;
                }

                break;
            }

            case OVERWRITE_OVER:   // In this case do nothing : 'convert' default mode...
                item->setDidOverWrite(true);
                break;

            default:
            {
                endProcess();
                return true;
            }
        }
    }

    m_ProcessusProc = new KProcess(this);
    m_ProcessusProc->setOutputChannelMode(KProcess::MergedChannels);
    initProcess(m_ProcessusProc, item, targetAlbum);
    m_commandLine = m_ProcessusProc->program().join(" ");

    item->changeOutputMess(m_commandLine + "\n\n");

    connect(m_ProcessusProc, SIGNAL(finished(int,QProcess::ExitStatus)),
            this, SLOT(slotFinished()));

    connect(m_ProcessusProc, SIGNAL(readyRead()),
            this, SLOT(slotReadyRead()));

    m_ProcessusProc->start();
    if (!m_ProcessusProc->waitForStarted())
    {
        KMessageBox::error(this, i18n("Cannot start 'convert' program from 'ImageMagick' package;\n"
                                      "please check your installation."));
        delete m_ProcessusProc;
        m_ProcessusProc = 0;
        return false;
    }

    return true;
}
Ejemplo n.º 13
0
void BaseEditor::paintEvent(QPaintEvent *e)
{
    //copy from QPlainTextEditor
    QPainter painter(viewport());
    Q_ASSERT(qobject_cast<QPlainTextDocumentLayout*>(document()->documentLayout()));

    QPointF offset(contentOffset());

    QRect er = e->rect();
    QRect viewportRect = viewport()->rect();

    bool editable = !isReadOnly();

    QTextBlock block = firstVisibleBlock();
    qreal maximumWidth = document()->documentLayout()->documentSize().width();

    //margin
    qreal lineX = 0;
    if (conf->isDisplayRightColumnMargin()) {
        // Don't use QFontMetricsF::averageCharWidth here, due to it returning
        // a fractional size even when this is not supported by the platform.
        lineX = QFontMetricsF(document()->defaultFont()).width(QLatin1Char('X')) * conf->getRightMarginColumn() + offset.x() + 4;

        if (lineX < viewportRect.width()) {
            const QBrush background = QBrush(QColor(239, 239, 239));
            painter.fillRect(QRectF(lineX, er.top(), viewportRect.width() - lineX, er.height()),
                             background);

            const QColor col = (palette().base().color().value() > 128) ? Qt::black : Qt::white;
            const QPen pen = painter.pen();
            painter.setPen(blendColors(background.isOpaque() ? background.color() : palette().base().color(),
                                       col, 32));
            painter.drawLine(QPointF(lineX, er.top()), QPointF(lineX, er.bottom()));
            painter.setPen(pen);
        }
    }

    // Set a brush origin so that the WaveUnderline knows where the wave started
    painter.setBrushOrigin(offset);

    // keep right margin clean from full-width selection
    int maxX = offset.x() + qMax((qreal)viewportRect.width(), maximumWidth)
               - document()->documentMargin();
    er.setRight(qMin(er.right(), maxX));
    painter.setClipRect(er);


    QAbstractTextDocumentLayout::PaintContext context = getPaintContext();

    while (block.isValid()) {

        QRectF r = blockBoundingRect(block).translated(offset);
        QTextLayout *layout = block.layout();

        if (!block.isVisible()) {
            offset.ry() += r.height();
            block = block.next();
            continue;
        }

        if (r.bottom() >= er.top() && r.top() <= er.bottom()) {

            QTextBlockFormat blockFormat = block.blockFormat();

            QBrush bg = blockFormat.background();
            if (bg != Qt::NoBrush) {
                QRectF contentsRect = r;
                contentsRect.setWidth(qMax(r.width(), maximumWidth));
                fillBackground(&painter, contentsRect, bg);
            }


            QVector<QTextLayout::FormatRange> selections;
            int blpos = block.position();
            int bllen = block.length();
            for (int i = 0; i < context.selections.size(); ++i) {
                const QAbstractTextDocumentLayout::Selection &range = context.selections.at(i);
                const int selStart = range.cursor.selectionStart() - blpos;
                const int selEnd = range.cursor.selectionEnd() - blpos;
                if (selStart < bllen && selEnd > 0
                    && selEnd > selStart) {
                    QTextLayout::FormatRange o;
                    o.start = selStart;
                    o.length = selEnd - selStart;
                    o.format = range.format;
                    selections.append(o);
                } else if (!range.cursor.hasSelection() && range.format.hasProperty(QTextFormat::FullWidthSelection)
                           && block.contains(range.cursor.position())) {
                    // for full width selections we don't require an actual selection, just
                    // a position to specify the line. that's more convenience in usage.
                    QTextLayout::FormatRange o;
                    QTextLine l = layout->lineForTextPosition(range.cursor.position() - blpos);
                    o.start = l.textStart();
                    o.length = l.textLength();
                    if (o.start + o.length == bllen - 1)
                        ++o.length; // include newline
                    o.format = range.format;
                    selections.append(o);
                }
            }

            bool drawCursor = ((editable || (textInteractionFlags() & Qt::TextSelectableByKeyboard))
                               && context.cursorPosition >= blpos
                               && context.cursorPosition < blpos + bllen);

            bool drawCursorAsBlock = drawCursor && overwriteMode() ;

            if (drawCursorAsBlock) {
                if (context.cursorPosition == blpos + bllen - 1) {
                    drawCursorAsBlock = false;
                } else {
                    QTextLayout::FormatRange o;
                    o.start = context.cursorPosition - blpos;
                    o.length = 1;
                    o.format.setForeground(palette().base());
                    o.format.setBackground(palette().text());
                    selections.append(o);
                }
            }


            layout->draw(&painter, offset, selections, er);
            if ((drawCursor && !drawCursorAsBlock)
                || (editable && context.cursorPosition < -1
                    && !layout->preeditAreaText().isEmpty())) {
                int cpos = context.cursorPosition;
                if (cpos < -1)
                    cpos = layout->preeditAreaPosition() - (cpos + 2);
                else
                    cpos -= blpos;
                layout->drawCursor(&painter, offset, cpos, cursorWidth());
            }
        }

        offset.ry() += r.height();
        if (offset.y() > viewportRect.height())
            break;
        block = block.next();
    }

    if (backgroundVisible() && !block.isValid() && offset.y() <= er.bottom()
        && (centerOnScroll() || verticalScrollBar()->maximum() == verticalScrollBar()->minimum())) {
        painter.fillRect(QRect(QPoint((int)er.left(), (int)offset.y()), er.bottomRight()), palette().background());
    }
}
Ejemplo n.º 14
0
void HaiQTextEdit::process_key(QKeyEvent event) {
	if ((event.text()!="")&&(textCursor().selectedText().count()<=1)) { 
		///this is to avoid spreading of marker highlighting
		bool holdmodified=document()->isModified();
		QTextCharFormat format=currentCharFormat();
		format.clearBackground();
		setCurrentCharFormat(format);
		document()->setModified(holdmodified);
	}
	if ((event.key()==Qt::Key_Tab)||(event.key()==Qt::Key_Backtab)||(event.text()=="\t")) {
		process_tab(event);
	}
        else if (event.key()==Qt::Key_Insert && QApplication::keyboardModifiers() == Qt::NoModifier) {
		setOverwriteMode(!overwriteMode());
	}
	else if ((event.key()==Qt::Key_Home)&&((event.modifiers()==Qt::NoModifier)||(event.modifiers()==Qt::ShiftModifier))) {
		bool shift_key=(event.modifiers()==Qt::ShiftModifier);
		QTextCursor cursor=textCursor();
		int col=cursor.columnNumber();
		QString txt=cursor.block().text();
		if (shift_key)
			cursor.movePosition(QTextCursor::StartOfLine,QTextCursor::KeepAnchor);
		else
			cursor.movePosition(QTextCursor::StartOfLine);
		int ct=0;
		while ((ct<txt.count())&&((txt[ct]==' ')||(txt[ct]=='\t'))) {
			if (shift_key)
				cursor.movePosition(QTextCursor::Right,QTextCursor::KeepAnchor);
			else
				cursor.movePosition(QTextCursor::Right);
			ct++;
		}
		int col2=cursor.columnNumber();
		if (col2==col) { //moved nowhere
			if (shift_key)
				cursor.movePosition(QTextCursor::StartOfLine,QTextCursor::KeepAnchor);
			else
				cursor.movePosition(QTextCursor::StartOfLine);
		}
		setTextCursor(cursor);
	}
	else if (event.key()==Qt::Key_Backspace) {
		process_backspace();
		return;
	}
	else if ((event.key()==Qt::Key_Space)&&(event.modifiers()==Qt::ControlModifier)) {
		return; // don't process a space, because Ctrl+Space is for completion
	}
	else {
		QTextEdit::keyPressEvent(&event);
	}

	if ((event.key()==Qt::Key_Enter)||(event.key()==Qt::Key_Return)) {
		indent_to_previous_line();
		QTextCursor cursor=textCursor();
		do_marker_highlighting(cursor);
		QString line=cursor.block().previous().text();
		QStringList symbols=split_into_symbols(line);
		if ((symbols.count()>0)&&
		    ( (symbols[symbols.count()-1]=="{") || (((symbols[symbols.count()-1]!=";"))&&((symbols[0]=="if") || (symbols[0]=="else") || (symbols[0]=="while") || (symbols[0]=="do") || (symbols[0]=="for"))) ) 
		    ) {
			QString line2=cursor.block().text();
			QStringList symbols2=split_into_symbols(line2);
			if ((symbols2.count()==0)||(symbols2[0]!="}")) //only indent if there is not a "{" starting the line
				cursor.insertText(tab_text(cursor));
		}
		//kind of a hack
		if (!blocks_highlighted_for_braces.isEmpty()) {
			blocks_highlighted_for_braces << textCursor().block();
		}
	}
	if (event.text()=="}") {
		QTextCursor cursor=textCursor();
		QString line=cursor.block().text();
		QStringList symbols=split_into_symbols(line);
		if (symbols.count()==1) {
			//unindent to last brace
			QTextBlock block=cursor.block();
			bool found=false;
			int braces_level=1;
			while ((!found)&&(block.isValid())) {
				block=block.previous();
				QString line2=block.text();
				QStringList symbols=split_into_symbols(line2);
				
				for (int j=symbols.count()-1; j>=0; j--) {
					if (symbols[j]=="{")
						braces_level--;
					if (symbols[j]=="}")
						braces_level++;
					if (braces_level==0)
						found=true;
				}
			}
			if (found) {
				QString line2=block.text();
				
				for (int j=0; j<line.count(); j++)
					cursor.deletePreviousChar();
				int j=0;
				while ((j<line2.count())&&((line2[j]==' ')||(line2[j]=='\t'))) {
					cursor.insertText(QString(line2[j]));
					j++;
				}
				cursor.insertText("}");
			}
		}
	}
	if ((event.text()==")")||(event.text()=="}")/*||(event.text()==">")*/) {
		highlight_braces(event.text(),true);
	}
	if ((event.text()=="(")||(event.text()=="{")/*||(event.text()=="<")*/) {
		highlight_braces(event.text(),false);
	}
}