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/* ============================================================
*
* This file is part of the KDE project
*
* Date : 2007-09-13
* Description : Sane interface for KDE
*
* Copyright (C) 2007-2008 by Kare Sars <kare dot sars at iki dot fi>
* Copyright (C) 2009 by Grzegorz Kurtyka <grzegorz dot kurtyka at gmail dot com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3, or any
* later version accepted by the membership of KDE e.V. (or its
* successor approved by the membership of KDE e.V.), which shall
* act as a proxy defined in Section 6 of version 3 of the license.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ============================================================ */
// Local includes
#include "ksane_device_dialog.h"
#include "ksane_device_dialog.moc"
// Sane includes
extern "C"
{
#include <sane/saneopts.h>
#include <sane/sane.h>
}
// KDE includes
#include <KDebug>
#include <KPushButton>
#include <QScrollArea>
#include <QLabel>
namespace KSaneIface
{
KSaneDeviceDialog::KSaneDeviceDialog(QWidget *parent)
: KDialog(parent)
{
setButtons(KDialog::User1 | KDialog::Ok | KDialog::Cancel);
setButtonText(User1, i18n("Reload devices list"));
m_btnGroup = new QButtonGroup(this);
m_btnBox = new QGroupBox;
QVBoxLayout *layout = new QVBoxLayout;
m_btnContainer = new QWidget;
m_btnLayout = new QVBoxLayout(m_btnContainer);
QScrollArea *area = new QScrollArea;
m_btnBox->setLayout(layout);
QLabel *explanation =
new QLabel(i18n("<html>The SANE (Scanner Access Now Easy) system could not find any device.<br>"
"Check that the scanner is plugged in and turned on<br>"
"or check your systems scanner setup.<br>"
"For details about SANE see the "
"<a href='http://www.sane-project.org/'>SANE homepage</a>.</html>"));
explanation->setOpenExternalLinks(true);
int l,t,r,b;
layout->getContentsMargins(&l, &t, &r, &b);
explanation->setContentsMargins(l, t, r, b);
layout->addWidget(explanation);
m_btnBox->adjustSize(); // make sure to see the complete explanation text
layout->addWidget(area);
layout->setContentsMargins(0,0,0,0);
area->setWidgetResizable(true);
area->setFrameShape(QFrame::NoFrame);
area->setWidget(m_btnContainer);
setMainWidget(m_btnBox);
setMinimumHeight(200);
m_findDevThread = FindSaneDevicesThread::getInstance();
connect(m_findDevThread, SIGNAL(finished()), this, SLOT(updateDevicesList()));
connect(this, SIGNAL(user1Clicked()), this, SLOT(reloadDevicesList()));
reloadDevicesList();
}
KSaneDeviceDialog::~KSaneDeviceDialog() {
///@todo wait for thread to finish if its running
}
void KSaneDeviceDialog::reloadDevicesList()
{
setAvailable(false);
while (!m_btnGroup->buttons().isEmpty()) {
delete m_btnGroup->buttons().takeFirst();
}
m_btnBox->setTitle(i18n("Looking for devices. Please wait."));
m_btnBox->layout()->itemAt(0)->widget()->hide(); // explanation
enableButton(KDialog::User1, false);
if(!m_findDevThread->isRunning()) {
m_findDevThread->start();
}
}
void KSaneDeviceDialog::setAvailable(bool avail)
{
enableButtonOk(avail);
if(avail) {
m_selectedDevice = getSelectedName();
setButtonFocus(KDialog::Ok);
}
}
void KSaneDeviceDialog::setDefault(QString defaultBackend)
{
m_selectedDevice = defaultBackend;
}
QString KSaneDeviceDialog::getSelectedName() {
QAbstractButton *selectedButton = m_btnGroup->checkedButton();
if(selectedButton) {
return selectedButton->objectName();
}
return QString();
}
void KSaneDeviceDialog::updateDevicesList()
{
while (!m_btnGroup->buttons().isEmpty()) {
delete m_btnGroup->buttons().takeFirst();
}
const QList<KSaneWidget::DeviceInfo> list = m_findDevThread->devicesList();
if (list.isEmpty()) {
m_btnBox->setTitle(i18n("Sorry. No devices found."));
m_btnBox->layout()->itemAt(0)->widget()->show(); // explanation
m_btnBox->layout()->itemAt(1)->widget()->hide(); // scroll area
enableButton(KDialog::User1, true);
return;
}
delete m_btnLayout;
m_btnLayout = new QVBoxLayout;
m_btnContainer->setLayout(m_btnLayout);
m_btnBox->setTitle(i18n("Found devices:"));
m_btnBox->layout()->itemAt(0)->widget()->hide(); // explanation
m_btnBox->layout()->itemAt(1)->widget()->show(); // scroll area
for (int i=0; i< list.size(); i++) {
QRadioButton *b = new QRadioButton(this);
b->setObjectName(list[i].name);
b->setToolTip(list[i].name);
b->setText(QString("%1 : %2\n%3")
.arg(list[i].vendor)
.arg(list[i].model)
.arg(list[i].name));
m_btnLayout->addWidget(b);
m_btnGroup->addButton(b);
connect(b, SIGNAL(clicked(bool)), this, SLOT(setAvailable(bool)));
if((i==0) || (list[i].name == m_selectedDevice)) {
b->setChecked(true);
setAvailable(true);
}
}
m_btnLayout->addStretch();
if(list.size() == 1) {
button(KDialog::Ok)->animateClick();
}
enableButton(KDialog::User1, true);
}
} // NameSpace KSaneIface
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