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kmymoney/kmymoney2/dialogs/kgpgkeyselectiondlg.cpp

150 lines
5.1 KiB

/***************************************************************************
kgpgkeyselectiondlg.cpp
-------------------
copyright : (C) 2008 by Thomas Baumgart
email : ipwizard@users.sourceforge.net
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
// ----------------------------------------------------------------------------
// QT Includes
#include <qlayout.h>
#include <qlabel.h>
#include <qwhatsthis.h>
// ----------------------------------------------------------------------------
// KDE Includes
#include <klocale.h>
#include <keditlistbox.h>
#include <kled.h>
// ----------------------------------------------------------------------------
// Project Includes
#include "kgpgkeyselectiondlg.h"
#include <kmymoney/kgpgfile.h>
KGpgKeySelectionDlg::KGpgKeySelectionDlg(QWidget *parent, const char *name) :
KDialogBase(parent, name, true, i18n("Select additional keys"), Ok | Cancel),
m_needCheckList(true),
m_listOk(false),
m_checkCount(0)
{
QWidget* page = new QWidget(this);
setMainWidget(page);
QVBoxLayout* topLayout = new QVBoxLayout(page, 0, spacingHint());
m_listBox = new KEditListBox(page);
m_listBox->setTitle(i18n("User identification"));
m_listBox->setButtons( int( KEditListBox::Remove | KEditListBox::Add ) );
QWhatsThis::add( m_listBox, i18n( "Enter the id of the key you want to use for data encryption. This can either be an e-mail address or the hexadecimal key id. In case of the key id don't forget the leading 0x." ) );
topLayout->addWidget(m_listBox);
// add a LED for the availability of all keys
QHBoxLayout* ledBox = new QHBoxLayout(0, 0, 6, "ledBoxLayout");
m_keyLed = new KLed(page);
m_keyLed->setShape( KLed::Circular );
m_keyLed->setLook( KLed::Sunken );
ledBox->addWidget(m_keyLed);
ledBox->addWidget(new QLabel(i18n("Keys for all of the above user ids found"), page));
ledBox->addItem(new QSpacerItem( 50, 20, QSizePolicy::Expanding, QSizePolicy::Minimum ));
topLayout->addLayout(ledBox);
connect(m_listBox, SIGNAL(changed()), this, SLOT(slotIdChanged()));
connect(m_listBox, SIGNAL(added(const QString&)), this, SLOT(slotKeyListChanged()));
connect(m_listBox, SIGNAL(removed(const QString&)), this, SLOT(slotKeyListChanged()));
}
void KGpgKeySelectionDlg::setKeys(const QStringList& list)
{
m_listBox->clear();
m_listBox->insertStringList(list);
slotKeyListChanged();
}
#if 0
void KGpgKeySelectionDlg::slotShowHelp(void)
{
QString anchor = m_helpAnchor[m_criteriaTab->currentPage()];
if(anchor.isEmpty())
anchor = QString("details.search");
kapp->invokeHelp(anchor);
}
#endif
void KGpgKeySelectionDlg::slotKeyListChanged(void)
{
m_needCheckList = true;
slotIdChanged();
}
void KGpgKeySelectionDlg::slotIdChanged(void)
{
// this looks a bit awkward. Here's why: KGPGFile::keyAvailable() starts
// an external task and processes UI events while it waits for the external
// process to finish. Thus, the first time we get here, the external process
// is started and the user may press a second key which calls this routine
// again.
//
// The second invocation is counted, but the check is not started until the
// first one finishes. Once the external process finishes, we check if we
// were called in the meantime and restart the check.
if(++m_checkCount == 1) {
while(1) {
// first we check the current edit field if filled
bool keysOk = true;
if(!m_listBox->currentText().isEmpty()) {
keysOk = KGPGFile::keyAvailable(m_listBox->currentText());
}
// if it is available, then scan the current list if we need to
if(keysOk) {
if(m_needCheckList) {
QStringList keys = m_listBox->items();
QStringList::const_iterator it_s;
for(it_s = keys.begin(); keysOk && it_s != keys.end(); ++it_s) {
if(!KGPGFile::keyAvailable(*it_s))
keysOk = false;
}
m_listOk = keysOk;
m_needCheckList = false;
} else {
keysOk = m_listOk;
}
}
// did we receive some more requests to check?
if(m_checkCount > 1) {
m_checkCount = 1;
continue;
}
m_keyLed->setState(static_cast<KLed::State>(keysOk && (m_listBox->items().count() != 0) ? KLed::On : KLed::Off));
enableButtonOK((m_listBox->items().count() == 0) || (m_keyLed->state() == KLed::On));
break;
}
--m_checkCount;
}
}
#include "kgpgkeyselectiondlg.moc"
// vim:cin:si:ai:et:ts=2:sw=2: