keyboard.cpp

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/**********************************************************************
** Copyright (C) 2000 Trolltech AS.  All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#include "keyboard.h"
#include "configdlg.h"

#include <qpe/global.h>
#include <qpe/qcopenvelope_qws.h>

#include <qwindowsystem_qws.h>
#include <qpainter.h>
#include <qfontmetrics.h>
#include <qtimer.h>
#include <qpe/qpeapplication.h>
#include <qpe/config.h>
#include <ctype.h>
#include <qdir.h>
#include <qtextstream.h>
#include <qstringlist.h>

#include <sys/utsname.h>

using namespace MultiKey;

static const char * const kb_config_xpm[] = {
"13 7 2 1",
"   c None",
".  c #000000",
"             ",
"      .      ",
"     ...     ",
"    .....    ",
"      .      ",
"      .      ",
"             "};

/* Keyboard::Keyboard {{{1 */
Keyboard::Keyboard(QWidget* parent, const char* _name, WFlags f) :
    QFrame(parent, _name, f),  shift(0), lock(0), ctrl(0), alt(0), 
    meta(0), circumflex(0), diaeresis(0), baccent(0), accent(0),
    useLargeKeys(TRUE), usePicks(0), useRepeat(0), 
    pressedKeyRow(-1), pressedKeyCol(-1),
    unicode(-1), qkeycode(0), modifiers(0), schar(0), mchar(0), echar(0),
    configdlg(0)

{

    // get the default font
    Config *config = new Config( "qpe" );
    config->setGroup( "Appearance" );
    QString familyStr = config->readEntry( "FontFamily", "smallsmooth" );
    int fontSize = config->readNumEntry( "FontSize", 10 );
    delete config;

    config = new Config("multikey");
    config->setGroup ("general");
    usePicks = config->readBoolEntry ("usePickboard", 0); // default closed
    useRepeat = config->readBoolEntry ("useRepeat", 1);
    delete config;

    setFont( QFont( familyStr, fontSize ) );

    picks = new KeyboardPicks( this );
    picks->setFont( QFont( familyStr, fontSize ) );
    picks->initialise();
    if (usePicks) {

        QObject::connect( picks, SIGNAL(key(ushort,ushort,ushort,bool,bool) ),
            this, SIGNAL(key(ushort,ushort,ushort,bool,bool)) );

    } else picks->hide();

    loadKeyboardColors();

    keys = new Keys();

    repeatTimer = new QTimer( this );
    connect( repeatTimer, SIGNAL(timeout()), this, SLOT(repeat()) );

    QCopChannel* kbdChannel = new QCopChannel("MultiKey/Keyboard", this);
    connect(kbdChannel, SIGNAL(received(const QCString&,const QByteArray&)),
            this, SLOT(receive(const QCString&,const QByteArray&)));
}

Keyboard::~Keyboard() {

    if ( configdlg ) { 
        delete configdlg;
        configdlg = 0;
    }

}

/* Keyboard::resizeEvent {{{1 */
void Keyboard::resizeEvent(QResizeEvent*)
{
    int ph = picks->sizeHint().height();
    picks->setGeometry( 0, 0, width(), ph );
    keyHeight = (height()-(usePicks ? ph : 0))/(keys->rows()?keys->rows():1);

    int nk; // number of keys?
    if ( useLargeKeys ) {
        nk = 15;
    } else {
        nk = 19;
    }
    defaultKeyWidth = (width()/nk)/2;
    xoffs = (width()-defaultKeyWidth*nk)/2; // empty key spaces?

}

/* KeyboardPicks::initialize {{{1 */
void KeyboardPicks::initialise()
{
    setSizePolicy(QSizePolicy(QSizePolicy::Expanding,QSizePolicy::Fixed));
    mode = 0;
    dc = new KeyboardConfig(this);
    configs.append(dc);
}

/* KeyboardPicks::sizeHint {{{1 */
QSize KeyboardPicks::sizeHint() const
{
    return QSize(240,fontMetrics().lineSpacing());
}


/* KeyboardConfig::generateText {{{1 */
void KeyboardConfig::generateText(const QString &s)
{
#if defined(Q_WS_QWS) || defined(_WS_QWS_)
    for (int i=0; i<(int)backspaces; i++) {
        parent->emitKey( 0, ::Qt::Key_Backspace, 0, true, false );
        parent->emitKey( 0, ::Qt::Key_Backspace, 0, false, false );
    }
    for (int i=0; i<(int)s.length(); i++) {
        parent->emitKey( s[i].unicode(), 0, 0, true, false );
        parent->emitKey( s[i].unicode(), 0, 0, false, false );
    }
    parent->emitKey( 0, ::Qt::Key_Space, 0, true, false );
    parent->emitKey( 0, ::Qt::Key_Space, 0, false, false );
    backspaces = 0;
#endif
}




/* Keyboard::paintEvent {{{1 */
void Keyboard::paintEvent(QPaintEvent* e)
{
    QPainter painter(this);
    painter.setClipRect(e->rect());
    drawKeyboard( painter );
    picks->dc->draw( &painter );
}


/* Keyboard::drawKeyboard {{{1 */

void Keyboard::drawKeyboard(QPainter &p, int row, int col)
{


    if (row != -1 && col != -1) { //just redraw one key

        int x = 0;
        for (int i = 0; i < col; i++) {

            x += keys->width(row, i) * defaultKeyWidth;
        }
        int y = (row - 1) * keyHeight + (usePicks ? picks->height() : 0);

        int keyWidth = keys->width(row, col);

        p.fillRect(x + 1, y + 1, 
                   keyWidth * defaultKeyWidth - 1, keyHeight - 1, 
                   pressed || keys->pressed(row, col) ? keycolor_pressed : keycolor);

        QImage *pix = keys->pix(row,col);

        ushort c = keys->uni(row, col);

        p.setPen(textcolor);
        if (!pix) {
            if ((shift || lock) && keys->shift(c)) 

                if (circumflex && keys->circumflex(keys->shift(c)))
                    c = keys->circumflex(keys->shift(c));
                else if (diaeresis && keys->diaeresis(keys->shift(c)))
                    c = keys->diaeresis(keys->shift(c));
                         else if (baccent && keys->baccent(keys->shift(c)))
                    c = keys->baccent(keys->shift(c));
                else if (accent && keys->accent(keys->shift(c)))
                    c = keys->accent(keys->shift(c));
                else if (meta && keys->meta(keys->shift(c)))
                    c = keys->meta(keys->shift(c));
                else 
                    c = keys->shift(c);

            else if (meta && keys->meta(c)) 
                c = keys->meta(c);
            else if (circumflex && keys->circumflex(c)) 
                c = keys->circumflex(c);
                  else if (baccent && keys->baccent(c))
                c = keys->baccent(c);
                  else if (accent && keys->accent(c))
                c = keys->accent(c);
            else if (diaeresis && (keys->diaeresis(c) || c == 0x2c6)) {

                // the diaeresis key itself has to be in the diaeresisMap,
                // or just do this to make it display the diaeresis char.
                
                if (c == 0x2c6)
                    c = 0xa8;
                else 
                    c = keys->diaeresis(c);
            }
            
            p.drawText(x, y, 
               defaultKeyWidth * keyWidth + 3, keyHeight,
               AlignCenter, (QChar)c);
        }
        else
            // center the image in the middle of the key
            p.drawImage( x + (defaultKeyWidth * keyWidth - pix->width())/2 + 1, 
                          y + (keyHeight - pix->height())/2 + 1, 
                          *pix );

        // this fixes the problem that the very right end of the board's vertical line
        // gets painted over, because it's one pixel shorter than all other keys
        p.setPen(keycolor_lines);
        p.drawLine(width() - 1, 0, width() - 1, height());

    } else {


    p.fillRect(0, 0, width(), height(), keycolor);

    for (row = 1; row <= keys->rows(); row++) {

        int x = 0;
        int y = (row - 1) * keyHeight + (usePicks ? picks->height() : 0);

        p.setPen(keycolor_lines);
        p.drawLine(x, y, x + width(), y);

        for (int col = 0; col < keys->numKeys(row); col++) {

            QImage *pix = keys->pix(row, col);
            int keyWidth = keys->width(row, col);


            int keyWidthPix = defaultKeyWidth * keyWidth;

            if (keys->pressed(row, col)) 
                p.fillRect(x+1, y+1, keyWidthPix - 1, 
                           keyHeight - 1, keycolor_pressed);

            ushort c = keys->uni(row, col);

            p.setPen(textcolor);
            if (!pix) {
                if ((shift || lock) && keys->shift(c)) 

                    if (circumflex && keys->circumflex(keys->shift(c)))
                        c = keys->circumflex(keys->shift(c));
                    else if (diaeresis && keys->diaeresis(keys->shift(c)))
                        c = keys->diaeresis(keys->shift(c));
                    else if (baccent && keys->baccent(keys->shift(c)))
                        c = keys->baccent(keys->shift(c));
                    else if (accent && keys->accent(keys->shift(c)))
                        c = keys->accent(keys->shift(c));
                    else if (meta && keys->meta(keys->shift(c)))
                        c = keys->meta(keys->shift(c));
                    else 
                        c = keys->shift(c);

                else if (meta && keys->meta(c)) 
                    c = keys->meta(c);
                else if (circumflex && keys->circumflex(c))
                    c = keys->circumflex(c);
                else if (baccent && keys->baccent(c))
                    c = keys->baccent(c);
                else if (accent && keys->accent(c))
                    c = keys->accent(c);
                else if (diaeresis && (keys->diaeresis(c) || c == 0x2c6)) {

                    if (c == 0x2c6)
                        c = 0xa8;
                    else 
                        c = keys->diaeresis(c);
                }

                p.drawText(x, y, 
                   keyWidthPix + 3, keyHeight,
                   AlignCenter, (QChar)c);
            }
            else {
                // center the image in the middle of the key
                pix->setColor(1, textcolor.rgb());
                p.drawImage( x + (keyWidthPix - pix->width())/2 + 1, 
                              y + (keyHeight - pix->height())/2 + 1, 
                              QImage(*pix) );
            }

            p.setPen(keycolor_lines);
            p.drawLine(x, y, x, y + keyHeight);

            x += keyWidthPix;
        }


    }
    p.setPen(keycolor_lines);
    p.drawLine(0, height() - 1, width(), height() - 1);
    p.drawLine(width() - 1, 0, width() - 1, height());
    }

}


/* Keyboard::mousePressEvent {{{1 */
void Keyboard::mousePressEvent(QMouseEvent *e)
{
    int row = (e->y() - (usePicks ? picks->height() : 0)) / keyHeight + 1;
    if (row > 5) row = 5;

    // figure out the column
    int col = 0; 
    for (int w = 0; e->x() >= w; col++)
        if (col < keys->numKeys(row)) // it segfaults if it trys to read past numKeys
            w += keys->width(row,col) * defaultKeyWidth;
        else break;

    if (col <= 0) return;

    col --; // rewind one...

    qkeycode = keys->qcode(row, col);
    unicode = keys->uni(row, col);

    // might need to repaint if two or more of the same keys.
    // should be faster if just paint one key even though multiple keys exist.
    bool need_repaint = FALSE; 

    // circumflex and diaeresis support
    // messy to have this here, but too hard to implement any other method
    if (unicode == 0x2c6) { 

        unicode = 0; 
        if (shift || lock) {

            // diaeresis
            qkeycode = 0x2001; 
        }
        else {
            
            // circumflex
            qkeycode = 0x2000; 
        }
    }

    // Back accent character support

    // the keys from 2c6 ~ 2cf should be used instead of the ascii one
    if (unicode == 0x2cb) {

        unicode = 0;
        if (shift || lock) {

            // circumblex
            qkeycode = 0x2000;
        }
        else {

            // back accent
            qkeycode = 0x2002;
        }
    }

    // Accent character support

    if (unicode == 0x2ca) {

        unicode = 0;
        if (shift || lock) {

            // diaeresis
            qkeycode = 0x2001;
        }
        else {

            // accent
            qkeycode = 0x2003;
        }
    }


    if (unicode == 0) { // either Qt char, or nothing

        if (qkeycode == Qt::Key_F1) { // toggle the pickboard

            if ( configdlg ) { 

                delete configdlg; 
                configdlg = 0;
            }
            else {
               configdlg = new ConfigDlg ();
               connect(configdlg, SIGNAL(setMapToDefault()), 
                       this, SLOT(setMapToDefault()));
               connect(configdlg, SIGNAL(setMapToFile(QString)), 
                       this, SLOT(setMapToFile(QString)));
               connect(configdlg, SIGNAL(pickboardToggled(bool)), 
                       this, SLOT(togglePickboard(bool)));
               connect(configdlg, SIGNAL(repeatToggled(bool)),
                       this, SLOT(toggleRepeat(bool)));
               connect(configdlg, SIGNAL(reloadKeyboard()),
                       this, SLOT(reloadKeyboard()));
               connect(configdlg, SIGNAL(configDlgClosed()),
                       this, SLOT(cleanupConfigDlg()));
               connect(configdlg, SIGNAL(reloadSw()),
                       this, SLOT(reloadSw()));
               configdlg->showMaximized();
               configdlg->show();
               configdlg->raise();
            }

        } else if (qkeycode == Qt::Key_Control) {
            need_repaint = TRUE;

            if (ctrl) {

                *ctrl = 0;
                ctrl = 0;

            } else {

                ctrl = keys->pressedPtr(row, col);
                need_repaint = TRUE;
                *ctrl = !keys->pressed(row, col);

            }

        } else if (qkeycode == Qt::Key_Alt) {
            need_repaint = TRUE;

            if (alt) {
                *alt = 0;
                alt = 0;

            } else {

                alt = keys->pressedPtr(row, col);
                need_repaint = TRUE;
                *alt = !keys->pressed(row, col);
            }

        } else if (qkeycode == Qt::Key_Shift) {
            need_repaint = TRUE;

            if (shift) {
                *shift = 0;
                shift = 0;
            }
            else {
                shift = keys->pressedPtr(row, col);
                *shift = 1;
                if (lock) {
                    *lock = 0;
                    lock = 0;
                }
            }


            /* 
             * want to be able to hit circumflex/diaeresis -> shift
             * to type in shifted circumflex/diaeresis chars.
             * same thing with meta

            if (meta) { *meta = 0; meta = 0; }
            if (circumflex) { *circumflex = 0; circumflex = 0; }
            if (diaeresis) { *diaeresis = 0; diaeresis = 0; }

             */

        } else if (qkeycode == Qt::Key_CapsLock) {
            need_repaint = TRUE;

            if (lock) {
                *lock = 0;
                lock = 0;
            }
            else {
                lock = keys->pressedPtr(row, col);;
                *lock = true;;
                if (shift) {
                    *shift = 0;
                    shift = 0;
                }
            }

            /*
            if (meta) { *meta = 0; meta = 0; }
            if (circumflex) { *circumflex = 0; circumflex = 0; }
            if (diaeresis) { *diaeresis = 0; diaeresis = 0; }
            */

        } else if (qkeycode == Qt::Key_Meta) {
            need_repaint = TRUE;

            if (meta) {
                *meta = 0;
                meta = 0;

            } else {

                meta = keys->pressedPtr(row, col);
                *meta = true;
            }

            // reset all the other keys
            if (shift) { *shift = 0; shift = 0; } 
            if (lock) { *lock = 0; lock = 0; }
            if (circumflex) { *circumflex = 0; circumflex = 0; }
            if (diaeresis) { *diaeresis = 0; diaeresis = 0; }
                if (baccent) { *baccent = 0; baccent = 0; }
                if (accent) { *accent = 0; accent = 0; }

            // dont need to emit this key... acts same as alt
            qkeycode = 0;

        // circumflex
        } else if (qkeycode == 0x2000) {
            need_repaint = TRUE;

            if (circumflex) {

                *circumflex = 0;
                circumflex = 0;

            } else {

                circumflex = keys->pressedPtr(row, col);
                *circumflex = true;
            }

            /* no need to turn off shift or lock if circumflex
             * keys are pressed
             
            if (shift) { *shift = 0; shift = 0; }
            if (lock) { *lock = 0; lock = 0; }

             */
            
            // have to reset all the other keys
            if (meta) { *meta = 0; meta = 0; }
            if (diaeresis) { 
                
                // *diaeresis and *circumflex point to the same thing
                // when diaeresis is enabled and you hit the circumflex
                // since they are the same key, it should turn off the
                // key
                
                *diaeresis = 0; 
                diaeresis = 0; 
                circumflex = 0;
            }

            qkeycode = 0;

        // diaeresis
        } else if (qkeycode == 0x2001) {
            need_repaint = TRUE;

            if (diaeresis) {

                *diaeresis = 0;
                diaeresis = 0;

            } else {

                diaeresis = keys->pressedPtr(row, col);
                *diaeresis = true;
            }

             
            if (shift) { *shift = 0; shift = 0; }

            /*
             *
            if (lock) { *lock = 0; lock = 0; }
             *
             */

            if (meta) { *meta = 0; meta = 0; }
            if (circumflex) { 

                // *circumflex = 0; 
                //
                // same thing the diaeresis pointer points too
                
                circumflex = 0; 
            }


            qkeycode = 0;

        // Back accent
        } else if (qkeycode == 0x2002) {
            need_repaint = TRUE;

            if (baccent) {

                *baccent = 0;
                baccent = 0;

            } else {

                baccent = keys->pressedPtr(row, col);
                *baccent = true;
            }


            if (shift) { *shift = 0; shift = 0; }
            if (meta) { *meta = 0; meta = 0; }
                    if (accent) { *accent = 0; accent = 0; }

            qkeycode = 0;
        
           // Accent
        } else if (qkeycode == 0x2003) {
            need_repaint = TRUE;

            if (accent) {

                *accent = 0;
                accent = 0;

            } else {

                accent = keys->pressedPtr(row, col);
                *accent = true;
            }


            if (shift) { *shift = 0; shift = 0; }
            if (meta) { *meta = 0; meta = 0; }
                    if (baccent) { *baccent = 0; }

            qkeycode = 0;
        }

    }
    else { // normal char
        if ((shift || lock) && keys->shift(unicode)) {

            // make diaeresis/circumflex -> shift input shifted
            // diaeresis/circumflex chars
            
            if (circumflex && keys->circumflex(keys->shift(unicode)))
                unicode = keys->circumflex(keys->shift(unicode));
            else if (diaeresis && keys->diaeresis(keys->shift(unicode)))
                unicode = keys->diaeresis(keys->shift(unicode));
                else if (baccent && keys->baccent(keys->shift(unicode)))
                unicode = keys->baccent(keys->shift(unicode));
            else if (accent && keys->accent(keys->shift(unicode)))
                unicode = keys->accent(keys->shift(unicode));
            else if (meta && keys->meta(keys->shift(unicode)))
                unicode = keys->meta(keys->shift(unicode));
            else
                unicode = keys->shift(unicode);
        }
        else if (meta && keys->meta(unicode)) {
            unicode = keys->meta(unicode);
        }
        else if (circumflex && keys->circumflex(unicode)) {
            unicode = keys->circumflex(unicode);
        }
        else if (diaeresis && keys->diaeresis(unicode)) {

            unicode = keys->diaeresis(unicode);
        }
           else if (baccent && keys->baccent(unicode)) {
            unicode = keys->baccent(unicode);
        }
        else if (accent && keys->accent(unicode)) {
            unicode = keys->accent(unicode);
        }
    }

    // korean parsing
    if (keys->lang == "ko") {

        unicode = parseKoreanInput(unicode);
    }

    modifiers = (ctrl ? Qt::ControlButton : 0) | (alt ? Qt::AltButton : 0);

    if ('A' <= unicode && unicode <= 'z' && modifiers) {

        qkeycode = QChar(unicode).upper();
        unicode = qkeycode - '@';
    }

    QWSServer::sendKeyEvent(unicode, qkeycode, modifiers, true, false); 

    // pickboard stuff
    if (usePicks) {

        KeyboardConfig *dc = picks->dc;
    
        if (dc) {
            if (qkeycode == Qt::Key_Backspace) {
                dc->input.remove(dc->input.last()); // remove last input
                dc->decBackspaces();
            } else if ( qkeycode == Qt::Key_Return || QChar(unicode).isPunct() || QChar(unicode).isSpace() || unicode == 0) {
                dc->input.clear();
                dc->resetBackspaces();
            } else {
                dc->add(QString(QChar(unicode)));
                dc->incBackspaces();
            }
        }
        picks->repaint();
    }


    // painting
    pressed = TRUE;

    pressedKeyRow = row;
    pressedKeyCol = col;

    if (need_repaint) repaint(FALSE);
    else { // just paint the one key pressed



        QPainter p(this);
        drawKeyboard(p, row, col);

    }

    if (useRepeat) repeatTimer->start( 800 );
    //pressTid = startTimer(80);

}

void Keyboard::receive(const QCString &msg, const QByteArray &data)
{
    if (msg == "setmultikey(QString)") {
        QDataStream stream(data, IO_ReadOnly);
        QString map;
        stream >> map;
        setMapToFile(map);
    } else if (msg == "getmultikey()") {
        reloadSw();
    }
}

/* Keyboard::mouseReleaseEvent {{{1 */
void Keyboard::mouseReleaseEvent(QMouseEvent*)
{
    pressed = FALSE;
    //if ( pressTid == 0 )
#if defined(Q_WS_QWS) || defined(_WS_QWS_)
    if ( unicode != -1 ) {
        emit key( unicode, qkeycode, modifiers, false, false );
        repeatTimer->stop();
    }
#endif
    if (shift && unicode != 0) {


        *shift = 0; // unpress shift key
        shift = 0;  // reset the shift pointer
        repaint(FALSE);

    } 
    if (ctrl && unicode != 0) {

        *ctrl = 0;
        ctrl = 0;
        repaint(FALSE);

    }
    if (alt && alt != 0) {

        *alt = 0;
        alt = 0;
        repaint(FALSE);

    }
    
    /*
     * do not make the meta key release after being pressed
     *

    else if (meta && unicode != 0) {

        *meta = 0;
        meta = 0;
        repaint(FALSE);
    }

     */

    else clearHighlight();
}

/* Keyboard::timerEvent {{{1 */

/* dont know what this does, but i think it is here so that if your screen
 * sticks (like on an ipaq) then it will stop repeating if you click another
 * key... but who knows what anything does in this thing anyway?

 void Keyboard::timerEvent(QTimerEvent* e)
{
    if ( e->timerId() == pressTid ) {
        killTimer(pressTid);
        pressTid = 0;
        if ( !pressed )
        cout << "calling clearHighlight from timerEvent\n";
            //clearHighlight();
    }
}
*/

void Keyboard::repeat()
{

  repeatTimer->start( 200 );
  emit key( unicode, qkeycode, modifiers, true, true );
}

void Keyboard::clearHighlight()
{
    if ( pressedKeyRow >= 0 && pressedKeyCol >= 0) {
            int tmpRow = pressedKeyRow;
        int tmpCol = pressedKeyCol;

            pressedKeyRow = -1;
            pressedKeyCol = -1;

            QPainter p(this);
            drawKeyboard(p, tmpRow, tmpCol);
    }
}


/* Keyboard::sizeHint {{{1 */
QSize Keyboard::sizeHint() const
{
    QFontMetrics fm=fontMetrics();
    int keyHeight = fm.lineSpacing() + 2;

    return QSize( 240, keyHeight * keys->rows() + (usePicks ? picks->sizeHint().height() : 0) + 1);
}


void Keyboard::resetState()
{
    if (shift) { *shift = 0; shift = 0; }
    if (lock)  {*lock = 0;  lock = 0; }
    if (meta)  { *meta = 0;  meta = 0; }
    if (circumflex) { *circumflex = 0; circumflex = 0; }
    if (diaeresis)  { *diaeresis = 0; diaeresis = 0; }
    if (baccent)  { *baccent = 0; baccent = 0; }
    if (accent)  { *accent = 0; accent = 0; }

    schar = mchar = echar = 0;
    picks->resetState();
}

/* Keyboard::togglePickboard {{{1 */
void Keyboard::togglePickboard(bool on_off)
{
    usePicks = on_off;
    if (usePicks) {
        picks->show();
        //move(x(), y() - picks->height()); // not required anymore because QCopChannel::send
        //adjustSize();
        QObject::connect( picks, SIGNAL(key(ushort,ushort,ushort,bool,bool) ),
            this, SIGNAL(key(ushort,ushort,ushort,bool,bool)) );
    } else {

        picks->hide();
        picks->resetState();
        //move(x(), y() + picks->height());
        //adjustSize();
        QObject::disconnect( picks, SIGNAL(key(ushort,ushort,ushort,bool,bool) ),
            this, SIGNAL(key(ushort,ushort,ushort,bool,bool)) );

    }
    /*
     * this closes && opens the input method
     */
    QCopChannel::send ("QPE/TaskBar", "hideInputMethod()");
    QCopChannel::send ("QPE/TaskBar", "showInputMethod()");
}

void Keyboard::toggleRepeat(bool on) {

    useRepeat = on;
    //cout << "setting useRepeat to: " << useRepeat << "\n";
}

void Keyboard::cleanupConfigDlg() {

    if ( configdlg ) { 
        delete configdlg; 
        configdlg = 0;
    }
}

void Keyboard::reloadSw() {
    QCopEnvelope e("MultiKey/Switcher", "setsw(QString,QString)");

    Config* config = new Config("multikey");
    config->setGroup("keymaps");
    QString current_map = config->readEntry("current", "en.keymap");
    delete config;

    e << ConfigDlg::loadSw().join("|") << current_map;
}

/* Keyboard::setMapTo ... {{{1 */
void Keyboard::setMapToDefault() {


    /* load current locale language map */
    Config *config = new Config("locale");
    config->setGroup( "Language" );
    QString l = config->readEntry( "Language" , "en" );
    delete config;

    /* if Language represents as en_US, ru_RU, etc... */
    int d = l.find('_');
    if (d != -1) {
        l.remove(d, l.length()-d);
    }
    QString key_map = QPEApplication::qpeDir() + "share/multikey/" 
            + l + ".keymap";

    /* save change to multikey config file */
    config = new Config("multikey");
    config->setGroup ("keymaps");
    config->writeEntry ("current", key_map); // default closed
    delete config;

    int prevRows = keys->rows();

    delete keys;
    keys = new Keys(key_map);

    // have to repaint the keyboard
    if (prevRows != keys->rows()) {

        QCopChannel::send ("QPE/TaskBar", "hideInputMethod()"); 
        QCopChannel::send ("QPE/TaskBar", "showInputMethod()");

    } else repaint(FALSE);

    resetState();
}

void Keyboard::setMapToFile(QString map) {

    /* save change to multikey config file */
    Config *config = new Config("multikey");
    config->setGroup ("keymaps");
    config->writeEntry ("current", map); // default closed

    delete config;

    int prevRows = keys->rows();

    delete keys;
    if (QFile(map).exists()) 
        keys = new Keys(map);
    else 
        keys = new Keys();

    if (keys->rows() != prevRows) {

        QCopChannel::send ("QPE/TaskBar", "hideInputMethod()");
        QCopChannel::send ("QPE/TaskBar", "showInputMethod()");
    }
    else repaint(FALSE);

    resetState();
}

/* Keybaord::reloadKeyboard {{{1 */
void Keyboard::reloadKeyboard() {

    // reload colors and redraw
    loadKeyboardColors();
    repaint();

}

void Keyboard::loadKeyboardColors() {

    Config config ("multikey");
    config.setGroup("colors");

    QStringList color;
    color = config.readListEntry("keycolor", QChar(','));
    if (color.isEmpty()) {
        color = QStringList::split(",", "240,240,240");
        config.writeEntry("keycolor", color.join(","));

    }
    keycolor = QColor(color[0].toInt(), color[1].toInt(), color[2].toInt());

    color = config.readListEntry("keycolor_pressed", QChar(','));
    if (color.isEmpty()) {
        color = QStringList::split(",", "171,183,198");
        config.writeEntry("keycolor_pressed", color.join(","));

    }
    keycolor_pressed = QColor(color[0].toInt(), color[1].toInt(), color[2].toInt());

    color = config.readListEntry("keycolor_lines", QChar(','));
    if (color.isEmpty()) {
        color = QStringList::split(",", "138,148,160");
        config.writeEntry("keycolor_lines", color.join(","));

    }
    keycolor_lines = QColor(color[0].toInt(), color[1].toInt(), color[2].toInt());

    color = config.readListEntry("textcolor", QChar(','));
    if (color.isEmpty()) {
        color = QStringList::split(",", "43,54,68");
        config.writeEntry("textcolor", color.join(","));

    }
    textcolor = QColor(color[0].toInt(), color[1].toInt(), color[2].toInt());

}

/* korean input functions {{{1 
 *
 * TODO
 * one major problem with this implementation is that you can't move the
 * cursor after inputing korean chars, otherwise it will eat up and replace
 * the char before the cursor you move to. fix that
 *
 * make backspace delete one single char, not the whole thing if still 
 * editing.
 *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
 *
 * how korean input works
 *
 * all following chars means unicode char value and are in hex
 *
 * 초음 = schar (start char)
 * 중음 = mchar (middle char)
 * 끝음 = echar (end char)
 *
 * there are 19 schars. unicode position is at 1100 - 1112
 * there are 21 mchars. unicode position is at 1161 - 1175
 * there are 27 echars. unicode position is at 11a8 - 11c2
 *
 * the map with everything combined is at ac00 - d7a3
 *
 */

ushort Keyboard::parseKoreanInput (ushort c) {

        if ((c != 0 && (c < 0x1100 || 0x11c2 < c) && (c < 0xac00 || 0xd7a3 < c)) 
          ||
        (c == 0 && qkeycode != Qt::Key_Shift && Qt::Key_CapsLock != qkeycode
         && qkeycode != Qt::Key_Control && qkeycode != Qt::Key_Alt)) {

                schar = 0, mchar = 0, echar = 0;
        return c;
        }

        if ( 0x1100 <= c && c <= 0x1112 ) { // schar or echar was input

                if (schar == 0 || (schar != 0 && mchar == 0)) {
                        schar = c; mchar = 0; echar = 0;
                        return c;
                }
                else if (mchar != 0) {

                        if (echar == 0) {

                                if (!(echar = constoe(c))) {

                                        schar = c; mchar = 0; echar = 0; 
                                        return c;
                                }

                        }
                        else { // must figure out what the echar is

                                if (echar == 0x11a8) { // ㄱ

                                        if (c == 0x1100)                echar = 0x11a9; // ㄱ + ㄱ
                                        else if (c == 0x1109)   echar = 0x11aa; // ㄱ + ㅅ
                                        else { 
                                                schar = c; mchar = 0; echar = 0; 
                                                return c;
                                        }

                                } else if (echar == 0x11ab) { // ㄴ

                                        if (c == 0x110c)                echar = 0x11ac; // ㄴ + ㅈ
                                        else if (c == 0x1112)   echar = 0x11ad; // ㄴ + ㅎ
                                        else {
                                                schar = c; mchar = 0; echar = 0; 
                                                return c;
                                        }

                                } else if (echar == 0x11af) { // ㄹ

                                        if (c == 0x1100)                echar = 0x11b0; // ㄹ + ㄱ
                                        else if (c == 0x1106)   echar = 0x11b1; // ㄹ + ㅁ
                                        else if (c == 0x1107)   echar = 0x11b2; // ㄹ + ㅂ
                                        else if (c == 0x1109)   echar = 0x11b3; // ㄹ + ㅅ
                                        else if (c == 0x1110)   echar = 0x11b4; // ㄹ + ㅌ
                                        else if (c == 0x1111)   echar = 0x11b5; // ㄹ + ㅍ
                                        else if (c == 0x1112)   echar = 0x11b6; // ㄹ + ㅎ
                                        else {
                                                schar = c; mchar = 0; echar = 0; 
                                                return c;
                                        }

                                } else if (echar == 0x11b8) { // ㅂ

                                        if (c == 0x1109)                echar = 0x11b9; // ㅂ + ㅅ
                                        else {
                                                schar = c; mchar = 0; echar = 0; 
                                                return c;
                                        }

                                } else if (echar == 0x11ba) { // ㅅ 

                                        if (c == 0x1109)                echar = 0x11bb; // ㅅ + ㅅ 
                                        else {
                                                schar = c; mchar = 0; echar = 0; 
                                                return c;
                                        }

                                } else { // if any other char, cannot combine chars

                                        schar = c; mchar = 0; echar = 0;
                                        return c;
                                }

                                unicode = echar;
                        }
                }

        }
        else if (0x1161 <= c && c <= 0x1175) { // mchar was input

                if (schar != 0 && mchar == 0) { mchar = c; }

                else if (schar != 0 && mchar != 0 && echar == 0) {

                        switch (mchar) {
                                case 0x1169:
                                        if (c == 0x1161) mchar = 0x116a;
                                        else if (c == 0x1162) mchar = 0x116b;
                                        else if (c == 0x1175) mchar = 0x116c;
                                        else {
                                                schar = 0; mchar = 0; echar = 0;
                                                return c;
                                        }
                                        break;
                                case 0x116e:
                                        if (c == 0x1165) mchar = 0x116f;
                                        else if (c == 0x1166) mchar = 0x1170;
                                        else if (c == 0x1175) mchar = 0x1171;
                                        else {
                                                schar = 0; mchar = 0; echar = 0;
                                                return c;
                                        }
                                        break;
                                case 0x1173:
                                        if (c == 0x1175) mchar = 0x1174;
                                        else {
                                                schar = 0; mchar = 0; echar = 0;
                                                return c;
                                        }
                                        break;
                                default: 
                                        schar = 0; mchar = 0; echar = 0;
                                        return c;
                        }
                }
                else if (schar != 0 && mchar != 0 && echar != 0) {

                        emit key( 8, Qt::Key_Backspace, 0, true, false );

                        ushort prev = 0;
                        switch (echar) {
                                /*
                                case 0x11a9:
                                        prev = combineKoreanChars(schar, mchar, 0x11a8);
                                        schar = 0x1100; 
                                        break;
                                */
                                case 0x11aa:
                                        prev = combineKoreanChars(schar, mchar, 0x11a8);
                                        schar = 0x1109;
                                        break;
                                case 0x11ac:
                                        prev = combineKoreanChars(schar, mchar, 0x11ab);
                                        schar = 0x110c; 
                                        break;
                                case 0x11ad:
                                        prev = combineKoreanChars(schar, mchar, 0x11ab);
                                        schar = 0x1112;
                                        break;
                                case 0x11b0:
                                        prev = combineKoreanChars(schar, mchar, 0x11af);
                                        schar = 0x1100; 
                                        break;
                                case 0x11b1:
                                        prev = combineKoreanChars(schar, mchar, 0x11af);
                                        schar = 0x1106;
                                        break;
                                case 0x11b2:
                                        prev = combineKoreanChars(schar, mchar, 0x11af);
                                        schar = 0x1107; 
                                        break;
                                case 0x11b3:
                                        prev = combineKoreanChars(schar, mchar, 0x11af);
                                        schar = 0x1109;
                                        break;
                                case 0x11b4:
                                        prev = combineKoreanChars(schar, mchar, 0x11af);
                                        schar = 0x1110;
                                        break;
                                case 0x11b9:
                                        prev = combineKoreanChars(schar, mchar, 0x11b8);
                                        schar = 0x1109;
                                        break;
                                /*
                                case 0x11bb:
                                        prev = combineKoreanChars(schar, mchar, 0x11ba);
                                        schar = 0x1109; 
                                        break;
                                */
                                default: 

                                        if (constoe(echar)) {

                                                prev = combineKoreanChars(schar, mchar, 0);
                                                schar = constoe(echar); 
                                        } 
                                        break;
                        }
                        
                        emit key( prev, prev, 0, true, false );

                        mchar = c; echar = 0;

                        return combineKoreanChars(schar, mchar, 0);
                
                } 
                else {
                        schar = 0; mchar = 0; echar = 0;
                        return c;
                }

        } 
        else /*if (c == ' ')*/ return c;


        // and now... finally delete previous char, and return new char
        emit key( 8, Qt::Key_Backspace, 0, true, false );


        return combineKoreanChars( schar, mchar, echar);

}

ushort Keyboard::combineKoreanChars(const ushort s, const ushort m, const ushort e) {

        return ((s - 0x1100) * 588) + ((m - 0x1161) * 28) + (e ? e - 0x11a7 : 0) + 0xac00;

}

ushort Keyboard::constoe(const ushort c) {

        // converts schars to echars if possible

        if (0x1100 <= c && c <= 0x1112) { // schar to echar

                switch (c) {
                        case 0x1100: return 0x11a8;
                        case 0x1101: return 0x11a9;
                        case 0x1102: return 0x11ab;
                        case 0x1103: return 0x11ae;
                        case 0x1105: return 0x11af;
                        case 0x1106: return 0x11b7;
                        case 0x1107: return 0x11b8;
                        case 0x1109: return 0x11ba;
                        case 0x110a: return 0x11bb;
                        case 0x110b: return 0x11bc;
                        case 0x110c: return 0x11bd;
                        case 0x110e: return 0x11be;
                        case 0x110f: return 0x11bf;
                        case 0x1110: return 0x11c0;
                        case 0x1111: return 0x11c1;
                        case 0x1112: return 0x11c2;
                        default: return 0;

                }

        } else { //echar to schar

                switch (c) {
                        case 0x11a8: return 0x1100;
                        case 0x11a9: return 0x1101;
                        case 0x11ab: return 0x1102;
                        case 0x11ae: return 0x1103;
                        case 0x11af: return 0x1105;
                        case 0x11b7: return 0x1106;
                        case 0x11b8: return 0x1107;
                        case 0x11ba: return 0x1109;
                        case 0x11bb: return 0x110a;
                        case 0x11bc: return 0x110b;
                        case 0x11bd: return 0x110c;
                        case 0x11be: return 0x110e;
                        case 0x11bf: return 0x110f;
                        case 0x11c0: return 0x1110;
                        case 0x11c1: return 0x1111;
                        case 0x11c2: return 0x1112;
                        default: return 0;

                }

        }
}


// Keys::Keys {{{1

Keys::Keys() {

    Config *config = new Config ("multikey");
    config->setGroup( "keymaps" );
    QString map = config->readEntry( "current" );
    delete config;

    if (map.isNull() || !(QFile(map).exists())) {

        Config *config = new Config("locale");
        config->setGroup( "Language" );
        QString l = config->readEntry( "Language" , "en" );
        delete config;
    
        map = QPEApplication::qpeDir() + "share/multikey/" 
                + l + ".keymap";

    } 
    if (map.isNull() || !(QFile(map).exists())) {
        map = QPEApplication::qpeDir() + "share/multikey/en.keymap";
    }
    
    setKeysFromFile(map);
}

Keys::Keys(const char * filename) {

    setKeysFromFile(filename);
}

// Keys::setKeysFromFile {{{2
void Keys::setKeysFromFile(const char * filename) {

    QFile f(filename);

    if (f.open(IO_ReadOnly)) {

        QTextStream t(&f);
        int row;
        int qcode;
        ushort unicode;
        int width;
        QString buf;
        QString comment;
        char * xpm[256]; //couldnt be larger than that... could it?
        QImage *xpm2pix = 0;

        buf = t.readLine();
        while (buf) {

            // get rid of comments
            buf.replace(QRegExp("#.*$", FALSE, FALSE), "");

            // key definition
            if (buf.contains(QRegExp("^\\d+\\s+[0-1a-fx]+", FALSE, FALSE))) { 
            // no $1 type referencing!!! this implementation of regexp sucks

                // dont know of any sscanf() type funcs in Qt lib
                QTextStream tmp (buf, IO_ReadOnly);
                tmp >> row >> qcode >> unicode >> width >> comment;

                buf = t.readLine();
                int xpmLineCount = 0;
                xpm2pix = 0;

                // erase blank space
                while (buf.contains(QRegExp("^\\s*$")) && buf) buf = t.readLine();

                while (buf.contains(QRegExp("^\\s*\".*\""))) {

                    QString xpmBuf = buf.stripWhiteSpace();

                    xpm[xpmLineCount] = new char [xpmBuf.length()];

                    int j = 0;
                    for (ushort i = 0; i < xpmBuf.length(); i++) {
                        if (xpmBuf[i].latin1() != '"') {

                            ((char *)xpm[xpmLineCount])[j] = xpmBuf.at(i).latin1();
                            j++;
                        }

                    }
                    // have to close that facker up
                    ((char *)xpm[xpmLineCount])[j] = '\0';

                    xpmLineCount++;
                    buf = t.readLine();
                }
                if (xpmLineCount) {

                    xpm2pix = new QImage((const char **)xpm);
                    for (int i = 0; i < xpmLineCount; i++) 

                        delete [] (xpm[i]);

                }
                setKey(row, qcode, unicode, width, xpm2pix);
            }

            // shift map
            else if (buf.contains(QRegExp("^[0-9a-fx]+\\s+[0-9a-fx]+\\s*$", FALSE, FALSE))) {

                QTextStream tmp (buf, IO_ReadOnly);
                ushort lower, shift;
                tmp >> lower >> shift;

                shiftMap.insert(lower, shift);

                buf = t.readLine();
            }

            // meta key map
            else if (buf.contains(QRegExp("^\\s*m\\s+[0-9a-fx]+\\s+[0-9a-fx]+\\s*$", FALSE, FALSE))) {

                QTextStream tmp (buf, IO_ReadOnly);
                ushort lower, shift;
                QChar m;
                tmp >> m >> lower >> shift;

                metaMap.insert(lower, shift);

                buf = t.readLine();
            }

            // circumflex
            else if (buf.contains(QRegExp("^\\s*c\\s+[0-9a-fx]+\\s+[0-9a-fx]+\\s*$", FALSE, FALSE))) {

                QTextStream tmp (buf, IO_ReadOnly);
                ushort lower, shift;
                QChar c;
                tmp >> c >> lower >> shift;

                circumflexMap.insert(lower, shift);

                buf = t.readLine();
            }
            // diaeresis
            else if (buf.contains(QRegExp("^\\s*d\\s+[0-9a-fx]+\\s+[0-9a-fx]+\\s*$", FALSE, FALSE))) {

                QTextStream tmp (buf, IO_ReadOnly);
                ushort lower, shift;
                QChar d;
                tmp >> d >> lower >> shift;

                diaeresisMap.insert(lower, shift);

                buf = t.readLine();
            }
            // back accent
            else if (buf.contains(QRegExp("^\\s*b\\s+[0-9a-fx]+\\s+[0-9a-fx]+\\s*$", FALSE, FALSE))) {

                QTextStream tmp (buf, IO_ReadOnly);
                ushort lower, shift;
                QChar d;
                tmp >> d >> lower >> shift;

                baccentMap.insert(lower, shift);

                qDebug ("Estoy aadiendo %i con %i", lower, shift);
                buf = t.readLine();
            }
            // accent
            else if (buf.contains(QRegExp("^\\s*a\\s+[0-9a-fx]+\\s+[0-9a-fx]+\\s*$", FALSE, FALSE))) {

                QTextStream tmp (buf, IO_ReadOnly);
                ushort lower, shift;
                QChar d;
                tmp >> d >> lower >> shift;

                accentMap.insert(lower, shift);

                buf = t.readLine();
            }

            // other variables like lang & title & sw
            else if (buf.contains(QRegExp("^\\s*[a-zA-Z]+\\s*=\\s*[a-zA-Z0-9/]+\\s*$", FALSE, FALSE))) {

                QTextStream tmp (buf, IO_ReadOnly);
                QString name, equals, value;

                tmp >> name >> equals >> value;

                if (name == "lang") {

                    lang = value;

                } 

                buf = t.readLine();
            }
            // comments
            else if (buf.contains(QRegExp("^\\s*#"))) {

                buf = t.readLine();

            } else { // blank line, or garbage

                buf = t.readLine();

            }

        }
        
        f.close();
    } else {
        // We couldnt find the selected keymap, give them a configure button
        QImage * btn = new QImage((const char ** )kb_config_xpm);
        setKey(1, 0x1030, 0, 2, btn);
    }

}


// Keys::setKey {{{2
void Keys::setKey(const int row, const int qcode, const ushort unicode, 
                    const int width, QImage *pix) {

    Key * key;
    key = new Key; 
    key->qcode = qcode;
    key->unicode = unicode;
    key->width = width;

    // share key->pressed between same keys
    bool found = 0;
    for (int i = 1; i <= 5; i++) {
        for (unsigned int j = 0; j < keys[i].count(); j++)
            if (keys[i].at(j)->qcode == qcode && keys[i].at(j)->unicode == unicode) {
               
                key->pressed = keys[i].at(j)->pressed;
                found = 1;
            }

    }
    if (!found) {

        key->pressed = new bool;
        *(key->pressed) = 0;
    }

    key->pix = pix;


    keys[row].append(key);
}

// Keys::~Keys {{{2
Keys::~Keys() {

    for (int i = 1; i <= 5; i++) 
        for (unsigned int j = 0; j < keys[i].count(); j++)
            delete keys[i].at(j);

}

// Keys:: other functions {{{2
int Keys::width(const int row, const int col) {
    
    return keys[row].at(col)->width;

}

int Keys::rows() {

    for (int i = 1; i <= 5; i++) {

        if (keys[i].count() == 0)
            return i - 1;

    }
    return 5;
}

ushort Keys::uni(const int row, const int col) {

    return keys[row].at(col)->unicode;

}

int Keys::qcode(const int row, const int col) {

    return keys[row].at(col)->qcode;
}

QImage *Keys::pix(const int row, const int col) {

    return keys[row].at(col)->pix;

}
bool Keys::pressed(const int row, const int col) {

    return *(keys[row].at(col)->pressed);
}

int Keys::numKeys(const int row) {

    return keys[row].count();
}

void Keys::setPressed(const int row, const int col, const bool pressed) {

    *(keys[row].at(col)->pressed) = pressed;
}

ushort Keys::shift(const ushort uni) {

    if (shiftMap[uni]) return shiftMap[uni]; 
    else return 0;
}

ushort Keys::meta(const ushort uni) {

    if (metaMap[uni]) return metaMap[uni]; 
    else return 0;
}

ushort Keys::circumflex(const ushort uni) {

    if (circumflexMap[uni]) return circumflexMap[uni]; 
    else return 0;
}

ushort Keys::diaeresis(const ushort uni) {

    if(diaeresisMap[uni]) return diaeresisMap[uni];
    else return 0;
}

ushort Keys::baccent(const ushort uni) {

    if(baccentMap[uni]) return baccentMap[uni];
    else return 0;
}

ushort Keys::accent(const ushort uni) {

    if(accentMap[uni]) return accentMap[uni];
    else return 0;
}

bool *Keys::pressedPtr(const int row, const int col) {

    return keys[row].at(col)->pressed;
}

---