learntab.cpp

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/*
Opie-Remote.  emulates remote controlls on an iPaq (and maybe a Zaurus) in Opie.
Copyright (C) 2002 Thomas Stephens
 
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later
version.
 
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
Public License for more details.
 
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

#include "learntab.h"

/* OPIE */
#include <qpe/qpeapplication.h>

LearnTab::LearnTab(QWidget *parent, const char *name):QWidget(parent,name)
{
    QVBoxLayout *layout = new QVBoxLayout(this);
    QHBoxLayout *bottomLayout = new QHBoxLayout(this);

    layout->insertSpacing(0,5);
    remotesBox = new QListBox(this, "remotesBox");
    layout->insertWidget(0, remotesBox, 1);
    remotesBox->insertStringList(getRemotes());

    layout->insertSpacing(-1,5);
    layout->insertLayout(-1, bottomLayout);
    layout->insertSpacing(-1,5);

    QPushButton *add = new QPushButton("Add", this, "add");
    bottomLayout->insertSpacing(-1, 5);
    bottomLayout->insertWidget(-1, add);
    bottomLayout->insertSpacing(-1, 5);
    QPushButton *edit = new QPushButton("Edit", this, "edit");
    bottomLayout->insertWidget(-1, edit);
    bottomLayout->insertSpacing(-1, 5);
    QPushButton *del = new QPushButton("Delete", this, "delete");
    bottomLayout->insertWidget(-1, del);
    bottomLayout->insertSpacing(-1, 5);

    connect(add, SIGNAL(clicked()), this, SLOT(add()) );
    connect(edit, SIGNAL(clicked()), this, SLOT(edit()) );
    connect(del, SIGNAL(clicked()), this, SLOT(del()) );
}

void LearnTab::add()
{
    printf("LearnTab::add: add pressed\n");
    RecordDialog *dialog = new RecordDialog(this);
    QPEApplication::showDialog( dialog );
}

void LearnTab::edit()
{}

void LearnTab::del()
{}

QStringList LearnTab::getRemotes()
{
    const char write_buffer[] = "LIST\n";
    const char *readbuffer;
    int i, numlines;
    QStringList list;

    addr.sun_family=AF_UNIX;
    strcpy(addr.sun_path,"/dev/lircd");

    fd = socket(AF_UNIX, SOCK_STREAM, 0);
    if(fd == -1)
    {
        QMessageBox *mb = new QMessageBox("Error!",
                                          "couldnt connect to socket",
                                          QMessageBox::NoIcon,
                                          QMessageBox::Ok,
                                          QMessageBox::NoButton,
                                          QMessageBox::NoButton);
        mb->exec();
        perror("LearnTab::GetRemotes");
        return NULL;
    }

    if(::connect(fd,(struct sockaddr *) &addr, sizeof(addr) ) == -1)
    {
        QMessageBox *mb = new QMessageBox("Error!",
                                          "couldnt connect to socket",
                                          QMessageBox::NoIcon,
                                          QMessageBox::Ok,
                                          QMessageBox::NoButton,
                                          QMessageBox::NoButton);
        mb->exec();
        perror("LearnTab::GetRemotes");
        return NULL;
    }

    write(fd, write_buffer, strlen(write_buffer));

    for(i=0; i<5; i++)
    {
        printf("%d\n", i);
        readbuffer = readPacket();
        printf("%s", readbuffer);
        printf("%d\n", i);
    }

    numlines = atoi(readbuffer);

    for(i=0; i<numlines; i++)
    {
        list+=readPacket();
    }

    if(strcasecmp(readPacket(), "END") != 0)
    {
        QMessageBox *mb = new QMessageBox("Error!",
                                          "bad packet",
                                          QMessageBox::NoIcon,
                                          QMessageBox::Ok,
                                          QMessageBox::NoButton,
                                          QMessageBox::NoButton);
        mb->exec();
        perror("LearnTab::GetRemotes");
        return NULL;
    }

    ::close(fd);
    return list;
}

//this function was ripped for rc.c in xrc, it is available here: http://www.lirc.org/software.html
const char *LearnTab::readPacket()
{
    static char buffer[PACKET_SIZE+1]="";
    char *end;
    static int ptr=0,end_len=0;
    ssize_t ret;
    timeout = 0;

    if(ptr>0)
    {
        memmove(buffer,buffer+ptr,strlen(buffer+ptr)+1);
        ptr=strlen(buffer);
        end=strchr(buffer,'\n');
    }
    else
    {
        end=NULL;
    }
    alarm(TIMEOUT);
    while(end==NULL)
    {
        if(PACKET_SIZE<=ptr)
        {
            fprintf(stderr,"bad packet\n");
            ptr=0;
            return(NULL);
        }
        ret=read(fd,buffer+ptr,PACKET_SIZE-ptr);

        if(ret<=0 || timeout)
        {
            if(timeout)
            {
                fprintf(stderr,"timeout\n");
            }
            else
            {
                alarm(0);
            }
            ptr=0;
            return(NULL);
        }
        buffer[ptr+ret]=0;
        ptr=strlen(buffer);
        end=strchr(buffer,'\n');
    }
    alarm(0);timeout=0;

    end[0]=0;
    ptr=strlen(buffer)+1;
    //#       ifdef DEBUG
    //  printf("buffer: -%s-\n",buffer);
    //#       endif
    return(buffer);
}

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