Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 505 insertions, 0 deletions

diff --git a/kdmlib/kgreet_classic.cpp b/kdmlib/kgreet_classic.cpp
new file mode 100644
index 000000000..b38e979d0
--- /dev/null
+++ b/kdmlib/kgreet_classic.cpp
@@ -0,0 +1,505 @@
+/*
+
+Conversation widget for kdm greeter
+
+Copyright (C) 1997, 1998, 2000 Steffen Hansen <hansen@kde.org>
+Copyright (C) 2000-2003 Oswald Buddenhagen <ossi@kde.org>
+
+
+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, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+*/
+
+#include "kgreet_classic.h"
+#include "themer/kdmthemer.h"
+#include "themer/kdmitem.h"
+
+#include <klocale.h>
+#include <klineedit.h>
+#include <kpassdlg.h>
+#include <kuser.h>
+
+#include <qregexp.h>
+#include <qlayout.h>
+#include <qlabel.h>
+
+class KDMPasswordEdit : public KPasswordEdit {
+public:
+	KDMPasswordEdit( QWidget *parent ) : KPasswordEdit( parent, 0 ) {}
+	KDMPasswordEdit( KPasswordEdit::EchoModes echoMode, QWidget *parent ) : KPasswordEdit( echoMode, parent, 0 ) {}
+protected:
+	virtual void contextMenuEvent( QContextMenuEvent * ) {}
+};
+
+static int echoMode;
+
+KClassicGreeter::KClassicGreeter( KGreeterPluginHandler *_handler,
+                                  KdmThemer *themer,
+                                  QWidget *parent, QWidget *pred,
+                                  const QString &_fixedEntity,
+                                  Function _func, Context _ctx ) :
+	QObject(),
+	KGreeterPlugin( _handler ),
+	fixedUser( _fixedEntity ),
+	func( _func ),
+	ctx( _ctx ),
+	exp( -1 ),
+	pExp( -1 ),
+	running( false )
+{
+	KdmItem *user_entry = 0, *pw_entry = 0;
+	QGridLayout *grid = 0;
+	int line = 0;
+
+	layoutItem = 0;
+
+	if (themer &&
+	    (!(user_entry = themer->findNode( "user-entry" )) ||
+	     !(pw_entry = themer->findNode( "pw-entry" ))))
+		themer = 0;
+
+	if (!themer)
+		layoutItem = grid = new QGridLayout( 0, 0, 10 );
+
+	loginLabel = passwdLabel = passwd1Label = passwd2Label = 0;
+	loginEdit = 0;
+	passwdEdit = passwd1Edit = passwd2Edit = 0;
+	if (ctx == ExUnlock || ctx == ExChangeTok)
+		fixedUser = KUser().loginName();
+	if (func != ChAuthTok) {
+		if (fixedUser.isEmpty()) {
+			loginEdit = new KLineEdit( parent );
+			loginEdit->setContextMenuEnabled( false );
+			connect( loginEdit, SIGNAL(lostFocus()), SLOT(slotLoginLostFocus()) );
+			connect( loginEdit, SIGNAL(lostFocus()), SLOT(slotActivity()) );
+			connect( loginEdit, SIGNAL(textChanged( const QString & )), SLOT(slotActivity()) );
+			connect( loginEdit, SIGNAL(selectionChanged()), SLOT(slotActivity()) );
+			if (pred) {
+				parent->setTabOrder( pred, loginEdit );
+				pred = loginEdit;
+			}
+			if (!grid) {
+				loginEdit->adjustSize();
+				user_entry->setWidget( loginEdit );
+			} else {
+				loginLabel = new QLabel( loginEdit, i18n("&Username:"), parent );
+				grid->addWidget( loginLabel, line, 0 );
+				grid->addWidget( loginEdit, line++, 1 );
+			}
+		} else if (ctx != Login && ctx != Shutdown && grid) {
+			loginLabel = new QLabel( i18n("Username:"), parent );
+			grid->addWidget( loginLabel, line, 0 );
+			grid->addWidget( new QLabel( fixedUser, parent ), line++, 1 );
+		}
+		if (echoMode == -1)
+			passwdEdit = new KDMPasswordEdit( parent );
+		else
+			passwdEdit = new KDMPasswordEdit( (KPasswordEdit::EchoModes)echoMode,
+			                                  parent );
+		connect( passwdEdit, SIGNAL(textChanged( const QString & )),
+		         SLOT(slotActivity()) );
+		connect( passwdEdit, SIGNAL(lostFocus()), SLOT(slotActivity()) );
+		if (pred) {
+			parent->setTabOrder( pred, passwdEdit );
+			pred = passwdEdit;
+		}
+		if (!grid) {
+			passwdEdit->adjustSize();
+			pw_entry->setWidget( passwdEdit );
+		} else {
+			passwdLabel = new QLabel( passwdEdit,
+			                          func == Authenticate ?
+			                            i18n("&Password:") :
+			                            i18n("Current &password:"),
+			                          parent );
+			grid->addWidget( passwdLabel, line, 0 );
+			grid->addWidget( passwdEdit, line++, 1 );
+		}
+		if (loginEdit)
+			loginEdit->setFocus();
+		else
+			passwdEdit->setFocus();
+	}
+	if (func != Authenticate) {
+		if (echoMode == -1) {
+			passwd1Edit = new KDMPasswordEdit( (KPasswordEdit::EchoModes)echoMode, parent );
+			passwd2Edit = new KDMPasswordEdit( (KPasswordEdit::EchoModes)echoMode, parent );
+		} else {
+			passwd1Edit = new KDMPasswordEdit( parent );
+			passwd2Edit = new KDMPasswordEdit( parent );
+		}
+		passwd1Label = new QLabel( passwd1Edit, i18n("&New password:"), parent );
+		passwd2Label = new QLabel( passwd2Edit, i18n("Con&firm password:"), parent );
+		if (pred) {
+			parent->setTabOrder( pred, passwd1Edit );
+			parent->setTabOrder( passwd1Edit, passwd2Edit );
+		}
+		if (grid) {
+			grid->addWidget( passwd1Label, line, 0 );
+			grid->addWidget( passwd1Edit, line++, 1 );
+			grid->addWidget( passwd2Label, line, 0 );
+			grid->addWidget( passwd2Edit, line, 1 );
+		}
+		if (!passwdEdit)
+			passwd1Edit->setFocus();
+	}
+}
+
+// virtual
+KClassicGreeter::~KClassicGreeter()
+{
+	abort();
+	if (!layoutItem) {
+		delete loginEdit;
+		delete passwdEdit;
+		return;
+	}
+	QLayoutIterator it = static_cast<QLayout *>(layoutItem)->iterator();
+	for (QLayoutItem *itm = it.current(); itm; itm = ++it)
+		 delete itm->widget();
+	delete layoutItem;
+}
+
+void // virtual
+KClassicGreeter::loadUsers( const QStringList &users )
+{
+	KCompletion *userNamesCompletion = new KCompletion;
+	userNamesCompletion->setItems( users );
+	loginEdit->setCompletionObject( userNamesCompletion );
+	loginEdit->setAutoDeleteCompletionObject( true );
+	loginEdit->setCompletionMode( KGlobalSettings::CompletionAuto );
+}
+
+void // virtual
+KClassicGreeter::presetEntity( const QString &entity, int field )
+{
+	loginEdit->setText( entity );
+	if (field == 1)
+		passwdEdit->setFocus();
+	else {
+		loginEdit->setFocus();
+		loginEdit->selectAll();
+		if (field == -1) {
+			passwdEdit->setText( "     " );
+			passwdEdit->setEnabled( false );
+			authTok = false;
+		}
+	}
+	curUser = entity;
+}
+
+QString // virtual
+KClassicGreeter::getEntity() const
+{
+	return fixedUser.isEmpty() ? loginEdit->text() : fixedUser;
+}
+
+void // virtual
+KClassicGreeter::setUser( const QString &user )
+{
+	// assert( fixedUser.isEmpty() );
+	curUser = user;
+	loginEdit->setText( user );
+	passwdEdit->setFocus();
+	passwdEdit->selectAll();
+}
+
+void // virtual
+KClassicGreeter::setEnabled( bool enable )
+{
+	// assert( !passwd1Label );
+	// assert( func == Authenticate && ctx == Shutdown );
+//	if (loginLabel)
+//		loginLabel->setEnabled( enable );
+	passwdLabel->setEnabled( enable );
+	setActive( enable );
+	if (enable)
+		passwdEdit->setFocus();
+}
+
+void // private
+KClassicGreeter::returnData()
+{
+	switch (exp) {
+	case 0:
+		handler->gplugReturnText( (loginEdit ? loginEdit->text() :
+		                                       fixedUser).local8Bit(),
+		                          KGreeterPluginHandler::IsUser );
+		break;
+	case 1:
+		handler->gplugReturnText( passwdEdit->password(),
+		                          KGreeterPluginHandler::IsPassword |
+		                          KGreeterPluginHandler::IsSecret );
+		break;
+	case 2:
+		handler->gplugReturnText( passwd1Edit->password(),
+		                          KGreeterPluginHandler::IsSecret );
+		break;
+	default: // case 3:
+		handler->gplugReturnText( passwd2Edit->password(),
+		                          KGreeterPluginHandler::IsNewPassword |
+		                          KGreeterPluginHandler::IsSecret );
+		break;
+	}
+}
+
+bool // virtual
+KClassicGreeter::textMessage( const char *text, bool err )
+{
+	if (!err &&
+	    QString( text ).find( QRegExp( "^Changing password for [^ ]+$" ) ) >= 0)
+		return true;
+	return false;
+}
+
+void // virtual
+KClassicGreeter::textPrompt( const char *prompt, bool echo, bool nonBlocking )
+{
+	pExp = exp;
+	if (echo)
+		exp = 0;
+	else if (!authTok)
+		exp = 1;
+	else {
+		QString pr( prompt );
+		if (pr.find( QRegExp( "\\bpassword\\b", false ) ) >= 0) {
+			if (pr.find( QRegExp( "\\b(re-?(enter|type)|again|confirm|repeat)\\b",
+			                      false ) ) >= 0)
+				exp = 3;
+			else if (pr.find( QRegExp( "\\bnew\\b", false ) ) >= 0)
+				exp = 2;
+			else { // QRegExp( "\\b(old|current)\\b", false ) is too strict
+				handler->gplugReturnText( "",
+				                          KGreeterPluginHandler::IsOldPassword |
+				                          KGreeterPluginHandler::IsSecret );
+				return;
+			}
+		} else {
+			handler->gplugMsgBox( QMessageBox::Critical,
+			                      i18n("Unrecognized prompt \"%1\"")
+			                      .arg( prompt ) );
+			handler->gplugReturnText( 0, 0 );
+			exp = -1;
+			return;
+		}
+	}
+
+	if (pExp >= 0 && pExp >= exp) {
+		revive();
+		has = -1;
+	}
+
+	if (has >= exp || nonBlocking)
+		returnData();
+}
+
+bool // virtual
+KClassicGreeter::binaryPrompt( const char *, bool )
+{
+	// this simply cannot happen ... :}
+	return true;
+}
+
+void // virtual
+KClassicGreeter::start()
+{
+	authTok = !(passwdEdit && passwdEdit->isEnabled());
+	exp = has = -1;
+	running = true;
+}
+
+void // virtual
+KClassicGreeter::suspend()
+{
+}
+
+void // virtual
+KClassicGreeter::resume()
+{
+}
+
+void // virtual
+KClassicGreeter::next()
+{
+	// assert( running );
+	if (loginEdit && loginEdit->hasFocus()) {
+		passwdEdit->setFocus(); // will cancel running login if necessary
+		has = 0;
+	} else if (passwdEdit && passwdEdit->hasFocus()) {
+		if (passwd1Edit)
+			passwd1Edit->setFocus();
+		has = 1;
+	} else if (passwd1Edit) {
+		if (passwd1Edit->hasFocus()) {
+			passwd2Edit->setFocus();
+			has = 1; // sic!
+		} else
+			has = 3;
+	} else
+		has = 1;
+	if (exp < 0)
+		handler->gplugStart();
+	else if (has >= exp)
+		returnData();
+}
+
+void // virtual
+KClassicGreeter::abort()
+{
+	running = false;
+	if (exp >= 0) {
+		exp = -1;
+		handler->gplugReturnText( 0, 0 );
+	}
+}
+
+void // virtual
+KClassicGreeter::succeeded()
+{
+	// assert( running || timed_login );
+	if (!authTok) {
+		setActive( false );
+		if (passwd1Edit) {
+			authTok = true;
+			return;
+		}
+	} else
+		setActive2( false );
+	exp = -1;
+	running = false;
+}
+
+void // virtual
+KClassicGreeter::failed()
+{
+	// assert( running || timed_login );
+	setActive( false );
+	setActive2( false );
+	exp = -1;
+	running = false;
+}
+
+void // virtual
+KClassicGreeter::revive()
+{
+	// assert( !running );
+	setActive2( true );
+	if (authTok) {
+		passwd1Edit->erase();
+		passwd2Edit->erase();
+		passwd1Edit->setFocus();
+	} else {
+		passwdEdit->erase();
+		if (loginEdit && loginEdit->isEnabled())
+			passwdEdit->setEnabled( true );
+		else {
+			setActive( true );
+			if (loginEdit && loginEdit->text().isEmpty())
+				loginEdit->setFocus();
+			else
+				passwdEdit->setFocus();
+		}
+	}
+}
+
+void // virtual
+KClassicGreeter::clear()
+{
+	// assert( !running && !passwd1Edit );
+	passwdEdit->erase();
+	if (loginEdit) {
+		loginEdit->clear();
+		loginEdit->setFocus();
+		curUser = QString::null;
+	} else
+		passwdEdit->setFocus();
+}
+
+
+// private
+
+void
+KClassicGreeter::setActive( bool enable )
+{
+	if (loginEdit)
+		loginEdit->setEnabled( enable );
+	if (passwdEdit)
+		passwdEdit->setEnabled( enable );
+}
+
+void
+KClassicGreeter::setActive2( bool enable )
+{
+	if (passwd1Edit) {
+		passwd1Edit->setEnabled( enable );
+		passwd2Edit->setEnabled( enable );
+	}
+}
+
+void
+KClassicGreeter::slotLoginLostFocus()
+{
+	if (!running)
+		return;
+	if (exp > 0) {
+		if (curUser == loginEdit->text())
+			return;
+		exp = -1;
+		handler->gplugReturnText( 0, 0 );
+	}
+	curUser = loginEdit->text();
+	handler->gplugSetUser( curUser );
+}
+
+void
+KClassicGreeter::slotActivity()
+{
+	if (running)
+		handler->gplugActivity();
+}
+
+// factory
+
+static bool init( const QString &,
+                  QVariant (*getConf)( void *, const char *, const QVariant & ),
+                  void *ctx )
+{
+	echoMode = getConf( ctx, "EchoMode", QVariant( -1 ) ).toInt();
+	KGlobal::locale()->insertCatalogue( "kgreet_classic" );
+	return true;
+}
+
+static void done( void )
+{
+	KGlobal::locale()->removeCatalogue( "kgreet_classic" );
+}
+
+static KGreeterPlugin *
+create( KGreeterPluginHandler *handler, KdmThemer *themer,
+        QWidget *parent, QWidget *predecessor,
+        const QString &fixedEntity,
+        KGreeterPlugin::Function func,
+        KGreeterPlugin::Context ctx )
+{
+	return new KClassicGreeter( handler, themer, parent, predecessor, fixedEntity, func, ctx );
+}
+
+KDE_EXPORT kgreeterplugin_info kgreeterplugin_info = {
+	I18N_NOOP("Username + password (classic)"), "classic",
+	kgreeterplugin_info::Local | kgreeterplugin_info::Presettable,
+	init, done, create
+};
+
+#include "kgreet_classic.moc"