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/***************************************************************************
ksettingsgpg.cpp
--------------------
copyright : (C) 2005, 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 <tqgroupbox.h>
#include <tqcheckbox.h>
#include <tqregexp.h>
// ----------------------------------------------------------------------------
// KDE Includes
#include <kled.h>
#include <klineedit.h>
#include <keditlistbox.h>
#include <kcombobox.h>
#include <kmessagebox.h>
#include <klocale.h>
// ----------------------------------------------------------------------------
// Project Includes
#include "ksettingsgpg.h"
#include <kmymoney/kgpgfile.h>
#define RECOVER_KEY_ID "0xD2B08440"
#define RECOVER_KEY_ID_FULL "59B0F826D2B08440"
KSettingsGpg::KSettingsGpg(TQWidget* tqparent, const char* name) :
KSettingsGpgDecl(tqparent, name),
m_checkCount(0),
m_needCheckList(true),
m_listOk(false)
{
setEnabled(KGPGFile::GPGAvailable());
// don't show the widget in which the master key is actually kept
kcfg_GpgRecipient->hide();
connect(kcfg_WriteDataEncrypted, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(slotStatusChanged(bool)));
connect(m_masterKeyCombo, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotIdChanged()));
connect(kcfg_GpgRecipientList, TQT_SIGNAL(changed()), this, TQT_SLOT(slotIdChanged()));
connect(kcfg_GpgRecipientList, TQT_SIGNAL(added(const TQString&)), this, TQT_SLOT(slotKeyListChanged()));
connect(kcfg_GpgRecipientList, TQT_SIGNAL(removed(const TQString&)), this, TQT_SLOT(slotKeyListChanged()));
// Initial state setup
slotStatusChanged(kcfg_WriteDataEncrypted->isChecked());
}
KSettingsGpg::~KSettingsGpg()
{
}
void KSettingsGpg::slotKeyListChanged(void)
{
m_needCheckList = true;
slotIdChanged();
}
void KSettingsGpg::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(!kcfg_GpgRecipientList->currentText().isEmpty()) {
keysOk = KGPGFile::keyAvailable(kcfg_GpgRecipientList->currentText());
}
// if it is available, then scan the current list if we need to
if(keysOk) {
if(m_needCheckList) {
TQStringList keys = kcfg_GpgRecipientList->items();
TQStringList::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;
}
// if we have a master key, we store it in the hidden widget
if(m_masterKeyCombo->currentItem() != 0) {
TQRegExp keyExp(".* \\((.*)\\)");
if(keyExp.search(m_masterKeyCombo->currentText()) != -1) {
kcfg_GpgRecipient->setText(keyExp.cap(1));
}
}
m_userKeysFound->setState(static_cast<KLed::State>(keysOk && (kcfg_GpgRecipientList->items().count() != 0) ? KLed::On : KLed::Off));
break;
}
--m_checkCount;
}
}
void KSettingsGpg::show(void)
{
TQString masterKey;
if(m_masterKeyCombo->currentItem() != 0) {
TQRegExp keyExp(".* \\((.*)\\)");
if(keyExp.search(m_masterKeyCombo->currentText()) != -1) {
masterKey = keyExp.cap(1);
}
} else
masterKey = kcfg_GpgRecipient->text();
// fill the secret key combobox with a fresh list
m_masterKeyCombo->clear();
TQStringList keyList;
KGPGFile::secretKeyList(keyList);
for(TQStringList::iterator it = keyList.begin(); it != keyList.end(); ++it) {
TQStringList fields = TQStringList::split(":", *it);
if(fields[0] != RECOVER_KEY_ID_FULL) {
// replace tqparenthesis in name field with brackets
TQString name = fields[1];
name.tqreplace('(', "[");
name.tqreplace(')', "]");
name = TQString("%1 (0x%2)").tqarg(name).tqarg(fields[0]);
m_masterKeyCombo->insertItem(name);
if(name.tqcontains(masterKey))
m_masterKeyCombo->setCurrentItem(name);
}
}
// if we don't have at least one secret key, we turn off encryption
if(keyList.isEmpty()) {
setEnabled(false);
kcfg_WriteDataEncrypted->setChecked(false);
}
slotStatusChanged(kcfg_WriteDataEncrypted->isChecked());
KSettingsGpgDecl::show();
}
void KSettingsGpg::slotStatusChanged(bool state)
{
static bool oncePerSession = true;
if(state && !KGPGFile::GPGAvailable())
state = false;
if((state == true) && (oncePerSession == true) && isVisible()) {
KMessageBox::information(this, TQString("<qt>%1</qt>").tqarg(i18n("You have turned on the GPG encryption support. This means, that new files will be stored encrypted. Existing files will not be encrypted automatically. To achieve encryption of existing files, please use the <b>File/Save as...</b> feature and store the file under a different name. Once confident with the result, feel free to delete the old file and rename the encrypted one to the old name.")), i18n("GPG encryption activated"), "GpgEncryptionActivated");
oncePerSession = false;
}
m_idGroup->setEnabled(state);
kcfg_EncryptRecover->setEnabled(state);
m_masterKeyCombo->setEnabled(state);
kcfg_GpgRecipientList->setEnabled(state);
if(state) {
m_recoverKeyFound->setState((KLed::State) (KGPGFile::keyAvailable(RECOVER_KEY_ID) ? KLed::On : KLed::Off));
kcfg_EncryptRecover->setEnabled(m_recoverKeyFound->state() == KLed::On);
slotIdChanged();
} else {
m_recoverKeyFound->setState(KLed::Off);
m_userKeysFound->setState(KLed::Off);
}
}
#include "ksettingsgpg.moc"
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