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pinentrydialog.cpp
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/* pinentrydialog.cpp - A secure KDE dialog for PIN entry.
* Copyright (C) 2002 Klarälvdalens Datakonsult AB
* Copyright (C) 2007 g10 Code GmbH
* Written by Steffen Hansen <steffen@klaralvdalens-datakonsult.se>.
*
* 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.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses/>.
* SPDX-License-Identifier: GPL-2.0+
*/
#include <ntqlayout.h>
#include <ntqpushbutton.h>
#include <ntqlabel.h>
#include <ntqmessagebox.h>
#include <ntqprogressbar.h>
#include <ntqtooltip.h>
#include "secqlineedit.h"
#include "pinentrydialog.h"
#include "pinentry.h"
PinEntryDialog::PinEntryDialog( TQWidget* parent, const char* name,
bool modal, bool enable_quality_bar )
: TQDialog( parent, name, modal, TQt::WStyle_StaysOnTop ), _grabbed( false ),
_disable_echo_allowed ( true )
{
TQBoxLayout* top = new TQVBoxLayout( this, 6 );
TQBoxLayout* upperLayout = new TQHBoxLayout( top );
_icon = new TQLabel( this );
_icon->setPixmap( TQMessageBox::standardIcon( TQMessageBox::Information ) );
upperLayout->addWidget( _icon );
TQBoxLayout* labelLayout = new TQVBoxLayout( upperLayout );
_error = new TQLabel( this );
labelLayout->addWidget( _error );
_desc = new TQLabel( this );
labelLayout->addWidget( _desc );
TQGridLayout* grid = new TQGridLayout( labelLayout );
_prompt = new TQLabel( this );
_prompt->setAlignment( TQt::AlignRight | TQt::AlignVCenter );
grid->addWidget( _prompt, 0, 0 );
_edit = new SecTQLineEdit( this );
_edit->setMaxLength( 256 );
_edit->setEchoMode( SecTQLineEdit::Password );
grid->addWidget( _edit, 0, 1 );
if (enable_quality_bar)
{
_quality_bar_label = new TQLabel( this );
_quality_bar_label->setAlignment( TQt::AlignRight | TQt::AlignVCenter );
grid->addWidget ( _quality_bar_label, 1, 0 );
_quality_bar = new TQProgressBar( this );
_quality_bar->setCenterIndicator( true );
grid->addWidget( _quality_bar, 1, 1 );
_have_quality_bar = true;
}
else
_have_quality_bar = false;
TQBoxLayout* l = new TQHBoxLayout( top );
_ok = new TQPushButton( tr("OK"), this );
_cancel = new TQPushButton( tr("Cancel"), this );
l->addWidget( _ok );
l->addStretch();
l->addWidget( _cancel );
_ok->setDefault(true);
connect( _ok, SIGNAL( clicked() ),
this, SIGNAL( accepted() ) );
connect( _cancel, SIGNAL( clicked() ),
this, SIGNAL( rejected() ) );
connect( _edit, SIGNAL( textModified(const SecTQString&) ),
this, SLOT( updateQuality(const SecTQString&) ) );
connect (_edit, SIGNAL (backspacePressed()),
this, SLOT (onBackspace ()));
connect (this, SIGNAL (accepted ()),
this, SLOT (accept ()));
connect (this, SIGNAL (rejected ()),
this, SLOT (reject ()));
_edit->setFocus();
}
void PinEntryDialog::paintEvent( TQPaintEvent* ev )
{
// Grab keyboard when widget is mapped to screen
// It might be a little weird to do it here, but it works!
if( !_grabbed ) {
_edit->grabKeyboard();
_grabbed = true;
}
TQDialog::paintEvent( ev );
}
void PinEntryDialog::hideEvent( TQHideEvent* ev )
{
_edit->releaseKeyboard();
_grabbed = false;
TQDialog::hideEvent( ev );
}
void PinEntryDialog::keyPressEvent( TQKeyEvent* e )
{
if ( e->state() == 0 && e->key() == Key_Escape ) {
emit rejected();
return;
}
TQDialog::keyPressEvent( e );
}
void PinEntryDialog::updateQuality( const SecTQString & txt )
{
char *pin;
int length;
int percent;
TQPalette pal;
_disable_echo_allowed = false;
if (!_have_quality_bar || !_pinentry_info)
return;
pin = (char*)txt.utf8();
length = strlen (pin);
percent = length? pinentry_inq_quality (_pinentry_info, pin, length) : 0;
::secmem_free (pin);
if (!length)
{
_quality_bar->reset ();
}
else
{
pal = _quality_bar->palette ();
if (percent < 0)
{
pal.setColor (TQColorGroup::Highlight, TQColor("red"));
percent = -percent;
}
else
{
pal.setColor (TQColorGroup::Highlight, TQColor("green"));
}
_quality_bar->setPalette (pal);
_quality_bar->setProgress (percent);
}
}
void PinEntryDialog::onBackspace()
{
if (_disable_echo_allowed)
_edit->setEchoMode( SecTQLineEdit::NoEcho );
}
void PinEntryDialog::setDescription( const TQString& txt )
{
_desc->setText( txt );
_icon->setPixmap( TQMessageBox::standardIcon( TQMessageBox::Information ) );
setError( TQString::null );
}
TQString PinEntryDialog::description() const
{
return _desc->text();
}
void PinEntryDialog::setError( const TQString& txt )
{
if ( !txt.isNull() )
_icon->setPixmap( TQMessageBox::standardIcon( TQMessageBox::Critical ) );
_error->setText( txt );
}
TQString PinEntryDialog::error() const
{
return _error->text();
}
void PinEntryDialog::setText( const SecTQString& txt )
{
_edit->setText( txt );
}
SecTQString PinEntryDialog::text() const
{
return _edit->text();
}
void PinEntryDialog::setPrompt( const TQString& txt )
{
_prompt->setText( txt );
if (txt.contains("PIN"))
_disable_echo_allowed = false;
}
TQString PinEntryDialog::prompt() const
{
return _prompt->text();
}
void PinEntryDialog::setOkText( const TQString& txt )
{
_ok->setText( txt );
}
void PinEntryDialog::setCancelText( const TQString& txt )
{
_cancel->setText( txt );
}
void PinEntryDialog::setQualityBar( const TQString& txt )
{
if (_have_quality_bar)
_quality_bar_label->setText( txt );
}
void PinEntryDialog::setQualityBarTT( const TQString& txt )
{
if (_have_quality_bar)
TQToolTip::add ( _quality_bar, txt );
}
void PinEntryDialog::setPinentryInfo (pinentry_t peinfo )
{
_pinentry_info = peinfo;
}
#include "pinentrydialog.moc"

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