kdeprint Library API Documentation

kmwbackend.cpp

00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License version 2 as published by the Free Software Foundation.
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00017  *  Boston, MA 02111-1307, USA.
00018  **/
00019 
00020 #include "kmwbackend.h"
00021 #include "kmwizard.h"
00022 #include "kmprinter.h"
00023 
00024 #include <qlayout.h>
00025 #include <qregexp.h>
00026 #include <qbuttongroup.h>
00027 #include <qradiobutton.h>
00028 
00029 #include <kcursor.h>
00030 #include <klocale.h>
00031 #include <kseparator.h>
00032 #include <kdialog.h>
00033 
00034 class KRadioButton : public QRadioButton
00035 {
00036 public:
00037     KRadioButton(const QString& txt, QWidget *parent = 0, const char *name = 0);
00038 };
00039 
00040 KRadioButton::KRadioButton(const QString& txt, QWidget *parent, const char *name)
00041 : QRadioButton(txt,parent,name)
00042 {
00043     setCursor(KCursor::handCursor());
00044 }
00045 
00046 //********************************************************************************************************
00047 
00048 KMWBackend::KMWBackend(QWidget *parent, const char *name)
00049 : KMWizardPage(parent,name)
00050 {
00051     m_ID = KMWizard::Backend;
00052     m_title = i18n("Backend Selection");
00053 
00054     m_buttons = new QButtonGroup(this);
00055     m_buttons->hide();
00056 
00057     m_layout = new QVBoxLayout(this, 0, KDialog::spacingHint());
00058     m_layout->addStretch(1);
00059     m_count = 0;
00060 }
00061 
00062 bool KMWBackend::isValid(QString& msg)
00063 {
00064     if (!m_buttons->selected())
00065     {
00066         msg = i18n("You must select a backend!");
00067         return false;
00068     }
00069     return true;
00070 }
00071 
00072 void KMWBackend::initPrinter(KMPrinter *p)
00073 {
00074     QString s = p->option("kde-backend");
00075     int ID(-1);
00076 
00077     if (!s.isEmpty())
00078         ID = s.toInt();
00079     else
00080     {
00081         s = p->deviceProtocol();
00082         // extract protocol
00083         if (s == "parallel" || s == "serial" || s == "usb") ID = KMWizard::Local;
00084         else if (s == "smb") ID = KMWizard::SMB;
00085         else if (s == "ipp" || s == "http") ID = KMWizard::IPP;
00086         else if (s == "lpd") ID = KMWizard::LPD;
00087         else if (s == "socket") ID = KMWizard::TCP;
00088         else if (s == "file") ID = KMWizard::File;
00089         else if (p->members().count() > 0) ID = KMWizard::Class;
00090     }
00091 
00092     if (m_buttons->find(ID))
00093         m_buttons->setButton(ID);
00094 }
00095 
00096 void KMWBackend::updatePrinter(KMPrinter *p)
00097 {
00098     int ID = m_buttons->id(m_buttons->selected());
00099     if (ID == KMWizard::Class) p->setType(KMPrinter::Class);
00100     else p->setType(KMPrinter::Printer);
00101     p->setOption("kde-backend",QString::number(ID));
00102     QString s = m_buttons->selected()->text();
00103     s.replace(QRegExp("&(?=\\w)"), QString::fromLatin1(""));
00104     p->setOption("kde-backend-description",s);
00105     setNextPage((m_map.contains(ID) ? m_map[ID] : KMWizard::Error));
00106 }
00107 
00108 void KMWBackend::addBackend(int ID, const QString& txt, bool on, int nextpage)
00109 {
00110     if (ID == -1)
00111     {
00112         KSeparator* sep = new KSeparator( KSeparator::HLine, this);
00113         m_layout->insertWidget(m_count, sep);
00114     }
00115     else
00116     {
00117         KRadioButton    *btn = new KRadioButton(txt, this);
00118         btn->setEnabled(on);
00119         m_buttons->insert(btn, ID);
00120         m_map[ID] = (nextpage == -1 ? ID : nextpage);   // use nextpage if specified, default to ID
00121         m_layout->insertWidget(m_count, btn);
00122     }
00123     m_count++;
00124 }
00125 
00126 void KMWBackend::enableBackend(int ID, bool on)
00127 {
00128     QButton *btn = m_buttons->find(ID);
00129     if (btn)
00130         btn->setEnabled(on);
00131 }
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This file is part of the documentation for kdeprint Library Version 3.2.2.
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