escpwidget.cpp

/*
 *  This file is part of the KDE libraries
 *  Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License version 2 as published by the Free Software Foundation.
 *
 *  This library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 **/
 
#include "escpwidget.h"
 
#include <tqpushbutton.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqcheckbox.h>
#include <tqaccel.h>
#include <tdemacros.h>
#include <tdelocale.h>
#include <tdemessagebox.h>
#include <kstandarddirs.h>
#include <kiconloader.h>
#include <kdialogbase.h>
#include <klibloader.h>
#include <kseparator.h>
#include <kdebug.h>
 
class EscpFactory : public KLibFactory
{
public:
    EscpFactory(TQObject *parent = 0, const char *name = 0) : KLibFactory(parent, name) {}
protected:
    TQObject* createObject(TQObject *parent = 0, const char *name = 0, const char * className = "TQObject", const TQStringList& args = TQStringList())
    {
               Q_UNUSED(className);
        KDialogBase *dlg = new KDialogBase(static_cast<TQWidget*>(parent), name, true, i18n("EPSON InkJet Printer Utilities"), KDialogBase::Close);
        EscpWidget  *w = new EscpWidget(dlg);
        if (args.count() > 0)
            w->setDevice(args[0]);
        if (args.count() > 1)
            w->setPrinterName(args[1]);
        dlg->setMainWidget(w);
        return dlg;
    }
};
 
extern "C"
{
    void* init_tdeprint_tool_escputil() TDE_EXPORT;
    void* init_tdeprint_tool_escputil()
    {
        return new EscpFactory;
    }
}
 
EscpWidget::EscpWidget(TQWidget *parent, const char *name)
: TQWidget(parent, name)
{
    m_hasoutput = false;
 
    connect(&m_proc, TQ_SIGNAL(processExited(TDEProcess*)), TQ_SLOT(slotProcessExited(TDEProcess*)));
    connect(&m_proc, TQ_SIGNAL(receivedStdout(TDEProcess*,char*,int)), TQ_SLOT(slotReceivedStdout(TDEProcess*,char*,int)));
    connect(&m_proc, TQ_SIGNAL(receivedStderr(TDEProcess*,char*,int)), TQ_SLOT(slotReceivedStderr(TDEProcess*,char*,int)));
 
    TQPushButton    *cleanbtn = new TQPushButton(this, "-c");
    cleanbtn->setPixmap(DesktopIcon("application-x-executable"));
    TQPushButton    *nozzlebtn = new TQPushButton(this, "-n");
    nozzlebtn->setPixmap(DesktopIcon("application-x-executable"));
    TQPushButton    *alignbtn = new TQPushButton(this, "-a");
    alignbtn->setPixmap(DesktopIcon("application-x-executable"));
    TQPushButton    *inkbtn = new TQPushButton(this, "-i");
    inkbtn->setPixmap(DesktopIcon("tdeprint_inklevel"));
    TQPushButton    *identbtn = new TQPushButton(this, "-d");
    identbtn->setPixmap(DesktopIcon("application-x-executable"));
 
    TQFont  f(font());
    f.setBold(true);
    m_printer = new TQLabel(this);
    m_printer->setFont(f);
    m_device = new TQLabel(this);
    m_device->setFont(f);
    m_useraw = new TQCheckBox(i18n("&Use direct connection (might need root permissions)"), this);
 
    connect(cleanbtn, TQ_SIGNAL(clicked()), TQ_SLOT(slotButtonClicked()));
    connect(nozzlebtn, TQ_SIGNAL(clicked()), TQ_SLOT(slotButtonClicked()));
    connect(alignbtn, TQ_SIGNAL(clicked()), TQ_SLOT(slotButtonClicked()));
    connect(inkbtn, TQ_SIGNAL(clicked()), TQ_SLOT(slotButtonClicked()));
    connect(identbtn, TQ_SIGNAL(clicked()), TQ_SLOT(slotButtonClicked()));
 
    TQLabel *printerlab = new TQLabel(i18n("Printer:"), this);
    printerlab->setAlignment(AlignRight|AlignVCenter);
    TQLabel *devicelab = new TQLabel(i18n("Device:"), this);
    devicelab->setAlignment(AlignRight|AlignVCenter);
    TQLabel *cleanlab = new TQLabel(i18n("Clea&n print head"), this);
    TQLabel *nozzlelab = new TQLabel(i18n("&Print a nozzle test pattern"), this);
    TQLabel *alignlab = new TQLabel(i18n("&Align print head"), this);
    TQLabel *inklab = new TQLabel(i18n("&Ink level"), this);
    TQLabel *identlab = new TQLabel(i18n("P&rinter identification"), this);
 
    cleanlab->setAlignment(AlignLeft|AlignVCenter|ShowPrefix);
    nozzlelab->setAlignment(AlignLeft|AlignVCenter|ShowPrefix);
    alignlab->setAlignment(AlignLeft|AlignVCenter|ShowPrefix);
    inklab->setAlignment(AlignLeft|AlignVCenter|ShowPrefix);
    identlab->setAlignment(AlignLeft|AlignVCenter|ShowPrefix);
 
    cleanbtn->setAccel(TQAccel::shortcutKey(cleanlab->text()));
    nozzlebtn->setAccel(TQAccel::shortcutKey(nozzlelab->text()));
    alignbtn->setAccel(TQAccel::shortcutKey(alignlab->text()));
    inkbtn->setAccel(TQAccel::shortcutKey(inklab->text()));
    identbtn->setAccel(TQAccel::shortcutKey(identlab->text()));
 
    KSeparator  *sep = new KSeparator(this);
    sep->setFixedHeight(10);
 
    TQGridLayout    *l0 = new TQGridLayout(this, 8, 2, 10, 10);
    TQGridLayout    *l1 = new TQGridLayout(0, 2, 2, 0, 5);
    l0->addMultiCellLayout(l1, 0, 0, 0, 1);
    l1->addWidget(printerlab, 0, 0);
    l1->addWidget(devicelab, 1, 0);
    l1->addWidget(m_printer, 0, 1);
    l1->addWidget(m_device, 1, 1);
    l1->setColStretch(1, 1);
    l0->addMultiCellWidget(sep, 1, 1, 0, 1);
    l0->addWidget(cleanbtn, 2, 0);
    l0->addWidget(nozzlebtn, 3, 0);
    l0->addWidget(alignbtn, 4, 0);
    l0->addWidget(inkbtn, 5, 0);
    l0->addWidget(identbtn, 6, 0);
    l0->addWidget(cleanlab, 2, 1);
    l0->addWidget(nozzlelab, 3, 1);
    l0->addWidget(alignlab, 4, 1);
    l0->addWidget(inklab, 5, 1);
    l0->addWidget(identlab, 6, 1);
    l0->addMultiCellWidget(m_useraw, 7, 7, 0, 1);
    l0->setColStretch(1, 1);
}
 
void EscpWidget::startCommand(const TQString& arg)
{
    bool    useUSB(false);
 
    if (m_deviceURL.isEmpty())
    {
        KMessageBox::error(this, i18n("Internal error: no device set."));
        return;
    }
    else
    {
        TQString    protocol = m_deviceURL.protocol();
        if (protocol == "usb")
            useUSB = true;
        else if (protocol != "file" && protocol != "parallel" && protocol != "serial" && !protocol.isEmpty())
        {
            KMessageBox::error(this,
                i18n("Unsupported connection type: %1").arg(protocol));
            return;
        }
    }
 
    if (m_proc.isRunning())
    {
        KMessageBox::error(this, i18n("An escputil process is still running. "
                                      "You must wait until its completion before continuing."));
        return;
    }
 
    TQString    exestr = TDEStandardDirs::findExe("escputil");
    if (exestr.isEmpty())
    {
        KMessageBox::error(this, i18n("The executable escputil cannot be found in your "
                                      "PATH environment variable. Make sure gimp-print is "
                                      "installed and that escputil is in your PATH."));
        return;
    }
 
    m_proc.clearArguments();
    m_proc << exestr;
    if (m_useraw->isChecked() || arg == "-i")
        m_proc << "-r" << m_deviceURL.path();
    else
        m_proc << "-P" << m_printer->text();
    if (useUSB)
        m_proc << "-u";
 
    m_proc << arg << "-q";
    m_errorbuffer = m_outbuffer = TQString::null;
    m_hasoutput = ( arg == "-i" || arg == "-d" );
    for ( TQValueList<TQCString>::ConstIterator it=m_proc.args().begin(); it!=m_proc.args().end(); ++it )
        kdDebug() << "ARG: " << *it << endl;
    if (m_proc.start(TDEProcess::NotifyOnExit, TDEProcess::AllOutput))
        setEnabled(false);
    else
    {
        KMessageBox::error(this,
            i18n("Internal error: unable to start escputil process."));
        return;
    }
}
 
void EscpWidget::slotProcessExited(TDEProcess*)
{
    setEnabled(true);
    if (!m_proc.normalExit() || m_proc.exitStatus() != 0)
    {
        TQString    msg1 = "<qt>"+i18n("Operation terminated with errors.")+"</qt>";
        TQString    msg2;
        if (!m_outbuffer.isEmpty())
            msg2 += "<p><b><u>"+i18n("Output")+"</u></b></p><p>"+m_outbuffer+"</p>";
        if (!m_errorbuffer.isEmpty())
            msg2 += "<p><b><u>"+i18n("Error")+"</u></b></p><p>"+m_errorbuffer+"</p>";
        if (!msg2.isEmpty())
            KMessageBox::detailedError(this, msg1, msg2);
        else
            KMessageBox::error(this, msg1);
    }
    else if ( !m_outbuffer.isEmpty() && m_hasoutput )
    {
        KMessageBox::information( this, m_outbuffer );
    }
    m_hasoutput = false;
}
 
void EscpWidget::slotReceivedStdout(TDEProcess*, char *buf, int len)
{
    TQString    bufstr = TQCString(buf, len);
    m_outbuffer.append(bufstr);
}
 
void EscpWidget::slotReceivedStderr(TDEProcess*, char *buf, int len)
{
    TQString    bufstr = TQCString(buf, len);
    m_errorbuffer.append(bufstr);
}
 
void EscpWidget::slotButtonClicked()
{
    TQString    arg = sender()->name();
    startCommand(arg);
}
 
void EscpWidget::setPrinterName(const TQString& p)
{
    m_printer->setText(p);
}
 
void EscpWidget::setDevice(const TQString& dev)
{
    m_deviceURL = dev;
    m_device->setText(dev);
}
 
#include "escpwidget.moc"