author | paule <paule> | 2007-01-29 05:23:30 (UTC) |
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committer | paule <paule> | 2007-01-29 05:23:30 (UTC) |
commit | 865225eccc619cbd196d181e80ef27167b124090 (patch) (side-by-side diff) | |
tree | bac8ca323c2af7c3b40c044271db619de2649c0c /noncore/securityplugins/pin/pin.cpp | |
parent | 7c04a4a9ceb843a3ca52b27840145ed598210068 (diff) | |
download | opie-865225eccc619cbd196d181e80ef27167b124090.zip opie-865225eccc619cbd196d181e80ef27167b124090.tar.gz opie-865225eccc619cbd196d181e80ef27167b124090.tar.bz2 |
Change buttons from QLabel to QPushButton, which enables entering the PIN using directional buttons and space/enter (which is all that is available on some PDAs if the screen is uncalibrated). In addition, you can now enter numbers using number keys if your device has them.
Diffstat (limited to 'noncore/securityplugins/pin/pin.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/securityplugins/pin/pin.cpp | 67 |
1 files changed, 54 insertions, 13 deletions
diff --git a/noncore/securityplugins/pin/pin.cpp b/noncore/securityplugins/pin/pin.cpp index 2accb9c..f1c52c5 100644 --- a/noncore/securityplugins/pin/pin.cpp +++ b/noncore/securityplugins/pin/pin.cpp @@ -1,264 +1,305 @@ /** * \note Taken from opie-security and libqpe password.cpp, and modified for Opie multiauth by Clement Seveillac */ /********************************************************************** ** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. ** ** This file is part of the Qtopia Environment. ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ #include "pin.h" #include "pinDialogBase.h" /* OPIE */ #include <opie2/odebug.h> #include <opie2/oapplication.h> /* QT */ #include <qpe/config.h> #include <qlabel.h> #include <qlineedit.h> #include <qtextview.h> #include <qstring.h> #include <qdialog.h> /* UNIX */ #include <unistd.h> #include <stdlib.h> #include <time.h> extern "C" char *crypt(const char *key, const char *salt); using Opie::Security::MultiauthConfigWidget; using Opie::Security::MultiauthPluginObject; /// set to TRUE when we press the 'Skip' button static bool isSkip = FALSE; /// PIN input graphical widget. /** * Inherits the PinDialogBase class defined originally in pinDialogBase.ui interface file. * \sa PinDlg and PinDialog (the class generated from the .ui file) * It comes from the original PIN locking code in Opie : * \sa http://dudu.dyn.2-h.org/opiedoxydoc/library_2password_8cpp-source.html */ class PinDialog : public PinDialogBase { Q_OBJECT public: PinDialog( QWidget* parent = 0, const char* name = 0, WFlags fl = 0 ); ~PinDialog(); void clear(); void setPrompt( const QString& ); signals: /// emitted when we press the Enter button void passwordEntered( const QString& ); /// emitted when we press the Skip button void skip(); protected: bool eventFilter( QObject*, QEvent* ); private: void input( QString ); friend class PinPlugin; QString text; + + private slots: + void slotInput(); + void slotSkip(); + void slotOK(); + void slotBackspace(); }; /// Constructs a PinDialog widget, and initializes things PinDialog::PinDialog( QWidget* parent, const char* name, WFlags fl ) : PinDialogBase( parent, name, fl ) { QRect desk = oApp->desktop()->geometry(); if ( desk.width() < 220 ) { QFont f( font() ); f.setPointSize( 18 ); setFont( f ); f.setPointSize( 12 ); prompt->setFont( f ); } + connect ( button_0, SIGNAL( clicked()), SLOT( slotInput())); + connect ( button_1, SIGNAL( clicked()), SLOT( slotInput())); + connect ( button_2, SIGNAL( clicked()), SLOT( slotInput())); + connect ( button_3, SIGNAL( clicked()), SLOT( slotInput())); + connect ( button_4, SIGNAL( clicked()), SLOT( slotInput())); + connect ( button_5, SIGNAL( clicked()), SLOT( slotInput())); + connect ( button_6, SIGNAL( clicked()), SLOT( slotInput())); + connect ( button_7, SIGNAL( clicked()), SLOT( slotInput())); + connect ( button_8, SIGNAL( clicked()), SLOT( slotInput())); + connect ( button_9, SIGNAL( clicked()), SLOT( slotInput())); + connect ( button_Skip, SIGNAL( clicked()), SLOT( slotSkip())); + connect ( button_OK, SIGNAL( clicked()), SLOT( slotOK())); + button_0->installEventFilter( this ); button_1->installEventFilter( this ); button_2->installEventFilter( this ); button_3->installEventFilter( this ); button_4->installEventFilter( this ); button_5->installEventFilter( this ); button_6->installEventFilter( this ); button_7->installEventFilter( this ); button_8->installEventFilter( this ); button_9->installEventFilter( this ); button_Skip->installEventFilter( this ); button_OK->installEventFilter( this ); - setFocus(); + button_OK->setFocus(); } /// nothing to do PinDialog::~PinDialog() { // no need to delete child widgets, Qt does it all for us } -/// Record the pressed numbers, and the Skip and Enter commands +/// Handle keyboard events bool PinDialog::eventFilter( QObject*o, QEvent*e ) { - if ( e->type() == QEvent::MouseButtonRelease ) { - if ( o == button_OK ) { - emit passwordEntered( text ); - } - else if ( o == button_Skip ) { - isSkip = TRUE; - emit skip(); - } - else { - QLabel *l = (QLabel*)o; - input(l->text()); + if(e->type() == QEvent::KeyPress) { + switch(((QKeyEvent *)e)->key()) { + case Key_0...Key_9: + input(((QKeyEvent *)e)->text()); + return TRUE; + case Key_Backspace: + slotBackspace(); + return TRUE; } } return FALSE; } +void PinDialog::slotInput() +{ + QPushButton *l = (QPushButton*)sender(); + input(l->text().stripWhiteSpace()); +} + +void PinDialog::slotSkip() +{ + isSkip = TRUE; + emit skip(); +} + +void PinDialog::slotOK() +{ + emit passwordEntered( text ); +} + +void PinDialog::slotBackspace() +{ + if(text.length() > 0) { + text.truncate( text.length() - 1 ); + display->setText( text ); + } +} + void PinDialog::input( QString c ) { text += c; display->setText( text ); } void PinDialog::setPrompt( const QString& s ) { prompt->setText( s ); } void PinDialog::clear() { text = ""; input(""); } /// PIN dialog /** * Dialog containing the PinDialog widget (which asks for a PIN) and interfacing with its I/O. * \sa PinDialog */ class PinDlg : public QDialog { public: PinDlg( QWidget *parent, const char * name, bool modal, bool fullscreen = FALSE ) : QDialog( parent, name, modal, fullscreen ? WStyle_NoBorder | WStyle_Customize | WStyle_StaysOnTop : 0 ), modl(modal) { pinD = new PinDialog( this ); if ( fullscreen ) { QRect desk = oApp->desktop()->geometry(); setGeometry( 0, 0, desk.width(), desk.height() ); } connect( pinD, SIGNAL(passwordEntered(const QString&)), this, SLOT(accept()) ); connect( pinD, SIGNAL(skip()), this, SLOT(accept()) ); } void resizeEvent( QResizeEvent * ) { pinD->resize( size() ); } void reset() { pinD->clear(); } /// Slot receiving the Skip or Enter commands, and closing the QDialog void accept() { if ( !modl ) oApp->exit_loop(); QDialog::accept(); } PinDialog *pinD; bool modl; }; /// generate a fairly random salt and return the PIN hashed by crypt() QString PinPlugin::encrypt(const QString& pin) { // the salt must begin by "$1$" if we want crypt() to use MD5 char salt[] = "$1$........"; const char *const seedchars = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; // initialize the random generator srandom(time(0)); int i; for(i = 0; i < 8; i++) { // initialize the salt with random() salt[i+3] = seedchars[random() % 64]; } return QString::fromLatin1(crypt(pin.latin1(),salt)); } /// verify a PIN against its crypt() hash /** * \return true if the \a pin matches its \a hash */ bool PinPlugin::verify(const QString& pin, const QString& hash) { // the hash, which contains the salt (8 chars after "$1$"), can be given as the salt return hash.compare( QString::fromLatin1(crypt( pin.latin1(), hash.latin1() )) ) == 0 ? true : false; } /// Displays a PinDialog and returns the typed in PIN /** * The returned value is QString::null if the user cancels the operation, * or the empty string if the user enters no password (but confirms the * dialog). */ QString PinPlugin::getPIN( const QString& prompt ) { PinDlg pd(0,0,TRUE); pd.pinD->setPrompt( prompt ); pd.showMaximized(); int r = pd.exec(); if ( r == QDialog::Accepted ) { if (pd.pinD->text.isEmpty()) return ""; else return pd.pinD->text; } else return QString::null; } /// Displays the PIN dialog and returns a hash of the typed in PIN /** * \return the hashed ( =one-way encrypted) PIN typed in by the user * \param prompt the prompt to display in the PinDialog */ QString PinPlugin::getCryptedPIN( const QString& prompt ) { return encrypt(getPIN(prompt)); } /// Displays the PIN dialog, asks 2 times for a new PIN, saves it if entered two times /** * writes nothing if we enter nothing the first time */ |