multikey.cpp

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/**********************************************************************
** Copyright (C) 2004 Anton Kachalov mouse@altlinux.ru
**  All rights reserved.
**
** 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.
**
**********************************************************************/

#include "multikey.h"

/* OPIE */
#include <opie2/otaskbarapplet.h>
#include <qpe/qcopenvelope_qws.h>
#include <qpe/qpeapplication.h>
using namespace Opie::Ui;

/* QT */
#include <qdir.h>

//FIXME: Better read appropriate initial setting from LOCALE, not hardcode it "EN"
Multikey::Multikey(QWidget *parent) : QLabel(parent), popupMenu(this), current("EN")
{
    QCopChannel* swChannel = new QCopChannel("MultiKey/Switcher", this);
    connect( swChannel, SIGNAL(received(const QCString&,const QByteArray&)),
             this, SLOT(message(const QCString&,const QByteArray&)));

    QPEApplication::setStylusOperation(this, QPEApplication::RightOnHold);
    lang = 0;
    QCopEnvelope e("MultiKey/Keyboard", "getmultikey()");
    setText("EN");
    popupMenu.insertItem("EN", 0);
    show();
}

void Multikey::mousePressEvent(QMouseEvent *ev)
{
    if (!sw_maps.count())
        return;

    if (ev->button() == RightButton) {

        QPoint p = mapToGlobal(QPoint(0, 0));
        QSize s = popupMenu.sizeHint();
        int opt = popupMenu.exec(QPoint(p.x() + (width() / 2) - (s.width() / 2),
                                        p.y() - s.height()), 0);

        if (opt == -1)
            return;
        lang = opt;

        QCopEnvelope e("MultiKey/Keyboard", "setmultikey(QString)");
        e << sw_maps[lang];
        setText(labels[lang]);
    }
    QWidget::mousePressEvent(ev);
}

void Multikey::mouseReleaseEvent(QMouseEvent *ev)
{
    if (!sw_maps.count())
        return;

    lang = lang < sw_maps.count()-1 ? lang+1 : 0;
    QCopEnvelope e("MultiKey/Keyboard", "setmultikey(QString)");
    //odebug << "Lang=" << lang << ", count=" << sw_maps.count() << ", lab=" << labels[lang].ascii() << "" << oendl;
    e << sw_maps[lang];
    setText(labels[lang]);
}

void Multikey::message(const QCString &message, const QByteArray &data)
{
    if ( message == "setsw(QString,QString)" ) {

        QDataStream stream(data, IO_ReadOnly);
        QString maps, current_map;
        stream >> maps >> current_map;
        QStringList sw = QStringList::split(QChar('|'), maps);
        sw.append(current_map);

        QDir map_dir(QPEApplication::qpeDir() + "share/multikey/", "*.keymap");
        lang = 0;
        labels.clear();
        sw_maps.clear();
        popupMenu.clear();

        for (uint i = 0; i < sw.count(); ++i) {
            QString keymap_map;
            if (sw[i][0] != '/') {

                keymap_map =  map_dir.absPath() + "/" + sw[i];
            } else {

                if ((map_dir.exists(QFileInfo(sw[i]).fileName(), false)
                     && i != sw.count()-1) || !QFile::exists(sw[i])) {
                    continue;
                }
                keymap_map = sw[i];
            }

            QFile map(keymap_map);
            if (map.open(IO_ReadOnly)) {
                QString line;

                map.readLine(line, 1024);
                while (!map.atEnd()) {

                    if (line.find(QRegExp("^sw\\s*=\\s*")) != -1) {

                        if (i != sw.count()-1) {
                            if (keymap_map == current_map) {
                                lang = i;
                            }
                            sw_maps.append(keymap_map);
                            labels.append(line.right(line.length() - line.find(QChar('=')) - 1).stripWhiteSpace());
                            popupMenu.insertItem(labels[labels.count()-1], labels.count()-1);
                        } else {
                            current = line.right(line.length() - line.find(QChar('=')) - 1).stripWhiteSpace();
                        }
                        break;
                    }
                    map.readLine(line, 1024);
                }
                map.close();
            }
        }

        setText(current);
    }
}

int Multikey::position()
{
    return 10;
}

EXPORT_OPIE_APPLET_v1( Multikey )

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