small additions to support grabbing the buttons back from a crashed

application

1 files changed, 11 insertions, 0 deletions

diff --git a/library/qpeapplication.cpp b/library/qpeapplication.cpp
index 852671a..b26933b 100644
--- a/library/qpeapplication.cpp
+++ b/library/qpeapplication.cpp
@@ -42,128 +42,129 @@
 #include <qbuffer.h>
 #include <qptrdict.h>
 #include <qregexp.h>
 #include <qdir.h>
 #include <qlabel.h>
 #include <qdialog.h>
 #include <qdragobject.h>
 #include <qtextcodec.h>
 #include <qevent.h>
 #include <qtooltip.h>
 #include <qsignal.h>
 #include "qpeapplication.h"
 #include "qpestyle.h"
 #include "styleinterface.h"
 #if QT_VERSION >= 300
 #include <qstylefactory.h>
 #else
 #include <qplatinumstyle.h>
 #include <qwindowsstyle.h>
 #include <qmotifstyle.h>
 #include <qmotifplusstyle.h>
 #include "lightstyle.h"
 
 #include <qpe/qlibrary.h>
 #endif
 #include "global.h"
 #include "resource.h"
 #if QT_VERSION <= 230 && defined(QT_NO_CODECS)
 #include "qutfcodec.h"
 #endif
 #include "config.h"
 #include "network.h"
 #ifdef QWS
 #include "fontmanager.h"
 #endif
 
 #include "alarmserver.h"
 #include "applnk.h"
 #include "qpemenubar.h"
 #include "textcodecinterface.h"
 #include "imagecodecinterface.h"
 
 #include <unistd.h>
 #include <sys/file.h>
 #include <sys/ioctl.h>
 #include <sys/soundcard.h>
 
 #include "qt_override_p.h"
 
 
 class QPEApplicationData
 {
 public:
 	QPEApplicationData() : presstimer( 0 ), presswidget( 0 ), kbgrabber( 0 ),
 			rightpressed( FALSE ),  kbregrab( FALSE ), notbusysent( FALSE ), preloaded( FALSE ),
 			forceshow( FALSE ), nomaximize( FALSE ), keep_running( TRUE ), qpe_main_widget( 0 )
 
 	{
 		qcopq.setAutoDelete( TRUE );
 	}
 
 	int presstimer;
 	QWidget* presswidget;
 	int kbgrabber;
+	QString kbgrabber_appname;
 	QPoint presspos;
 
 	bool rightpressed : 1;
 	bool kbregrab     : 1;
 	bool notbusysent  : 1;
 	bool preloaded    : 1;
 	bool forceshow    : 1;
 	bool nomaximize   : 1;
 	bool keep_running : 1;
 
 	QString appName;
 	struct QCopRec
 	{
 		QCopRec( const QCString &ch, const QCString &msg,
 		         const QByteArray &d ) :
 				channel( ch ), message( msg ), data( d )
 		{ }
 
 		QCString channel;
 		QCString message;
 		QByteArray data;
 	};
 	QWidget* qpe_main_widget;
 	QList<QCopRec> qcopq;
 
 	void enqueueQCop( const QCString &ch, const QCString &msg,
 	                  const QByteArray &data )
 	{
 		qcopq.append( new QCopRec( ch, msg, data ) );
 	}
 	void sendQCopQ()
 	{
 		QCopRec * r;
 #ifndef QT_NO_COP
 
 		for ( QListIterator<QCopRec> it( qcopq ); ( r = it.current() ); ++it )
 			QCopChannel::sendLocally( r->channel, r->message, r->data );
 #endif
 
 		qcopq.clear();
 	}
 	static void show_mx(QWidget* mw, bool nomaximize)
 	{
 		if ( mw->layout() && mw->inherits("QDialog") ) {
 			QPEApplication::showDialog((QDialog*)mw, nomaximize);
 		}
 		else {
 #ifdef Q_WS_QWS
 			if ( !nomaximize )
 				mw->showMaximized();
 			else
 #endif
 
 				mw->show();
 		}
 	}
 	static bool setWidgetCaptionFromAppName( QWidget* /*mw*/, const QString& /*appName*/, const QString& /*appsPath*/ )
 	{
 		/*
 		// This works but disable it for now until it is safe to apply
 		// What is does is scan the .desktop files of all the apps for
 		// the applnk that has the corresponding argv[0] as this program
 		// then it uses the name stored in the .desktop file as the caption
 		// for the main widget. This saves duplicating translations for
@@ -1003,128 +1004,130 @@ void QPEApplication::applyStyle()
 
 	//qDebug ( "Setting Deco: %s -- old %s (%d)", dec.latin1(), d-> decorationName.latin1(), nostyle);
 
 	if ( dec != d->decorationName ) {
 		qwsSetDecoration( new QPEDecoration( dec ) );
 		d->decorationName = dec;
 	}
 
 	// Font
 	QString ff = config.readEntry( "FontFamily", font().family() );
 	int fs = config.readNumEntry( "FontSize", font().pointSize() );
 
 	// don't set a custom font
 	if ( nostyle & Opie::Force_Font ) {
 		ff = "Helvetica";
 		fs = 10;
 	}
 
 	setFont ( QFont ( ff, fs ), true );
 
 	// revert to global blocking policy ...
 	Opie::force_appearance = config. readBoolEntry ( "ForceStyle", false ) ? Opie::Force_All : Opie::Force_None;
 	Opie::force_appearance &= ~nostyle;
 }
 
 void QPEApplication::systemMessage( const QCString& msg, const QByteArray& data )
 {
 #ifdef Q_WS_QWS
 	QDataStream stream( data, IO_ReadOnly );
 	if ( msg == "applyStyle()" ) {
 		applyStyle();
 	}
 	else if ( msg == "setDefaultRotation(int)" ) {
 		if ( type() == GuiServer ) {
 			int r;
 			stream >> r;
 			setDefaultRotation( r );
 		}
 	}
 	else if ( msg == "shutdown()" ) {
 		if ( type() == GuiServer )
 			shutdown();
 	}
 	else if ( msg == "quit()" ) {
 		if ( type() != GuiServer )
 			tryQuit();
 	}
 	else if ( msg == "forceQuit()" ) {
 		if ( type() != GuiServer )
 			quit();
 	}
 	else if ( msg == "restart()" ) {
 		if ( type() == GuiServer )
 			restart();
 	}
 	else if ( msg == "grabKeyboard(QString)" ) {
 		QString who;
 		stream >> who;
 		if ( who.isEmpty() )
 			d->kbgrabber = 0;
 		else if ( who != d->appName )
 			d->kbgrabber = 1;
 		else
 			d->kbgrabber = 2;
+			
+		d-> kbgrabber_appname = who;
 	}
 	else if ( msg == "language(QString)" ) {
 		if ( type() == GuiServer ) {
 			QString l;
 			stream >> l;
 			QString cl = getenv( "LANG" );
 			if ( cl != l ) {
 				if ( l.isNull() )
 					unsetenv( "LANG" );
 				else
 					setenv( "LANG", l.latin1(), 1 );
 				restart();
 			}
 		}
 	}
 	else if ( msg == "timeChange(QString)" ) {
 		QString t;
 		stream >> t;
 		if ( t.isNull() )
 			unsetenv( "TZ" );
 		else
 			setenv( "TZ", t.latin1(), 1 );
 		// emit the signal so everyone else knows...
 		emit timeChanged();
 	}
 	else if ( msg == "execute(QString)" ) {
 		if ( type() == GuiServer ) {
 			QString t;
 			stream >> t;
 			Global::execute( t );
 		}
 	}
 	else if ( msg == "execute(QString,QString)" ) {
 		if ( type() == GuiServer ) {
 			QString t, d;
 			stream >> t >> d;
 			Global::execute( t, d );
 		}
 	}
 	else if ( msg == "addAlarm(QDateTime,QCString,QCString,int)" ) {
 		if ( type() == GuiServer ) {
 			QDateTime when;
 			QCString channel, message;
 			int data;
 			stream >> when >> channel >> message >> data;
 			AlarmServer::addAlarm( when, channel, message, data );
 		}
 	}
 	else if ( msg == "deleteAlarm(QDateTime,QCString,QCString,int)" ) {
 		if ( type() == GuiServer ) {
 			QDateTime when;
 			QCString channel, message;
 			int data;
 			stream >> when >> channel >> message >> data;
 			AlarmServer::deleteAlarm( when, channel, message, data );
 		}
 	}
 	else if ( msg == "clockChange(bool)" ) {
 		int tmp;
 		stream >> tmp;
 		emit clockChanged( tmp );
 	}
 	else if ( msg == "weekChange(bool)" ) {
 		int tmp;
@@ -1563,128 +1566,136 @@ bool QPEApplication::eventFilter( QObject *o, QEvent *e )
 								postEvent( d->presswidget,
 								           new QMouseEvent( QEvent::MouseMove, QPoint( -1, -1),
 								                            LeftButton, LeftButton ) );
 								postEvent( d->presswidget,
 								           new QMouseEvent( QEvent::MouseButtonRelease, QPoint( -1, -1),
 								                            LeftButton, LeftButton ) );
 								d->rightpressed = FALSE;
 								return TRUE; // don't send the real Left release
 							}
 						}
 						break;
 					default:
 						break;
 				}
 				break;
 			default:
 				;
 		}
 	}
 	else if ( e->type() == QEvent::KeyPress || e->type() == QEvent::KeyRelease ) {
 		QKeyEvent *ke = (QKeyEvent *)e;
 		if ( ke->key() == Key_Enter ) {
 			if ( o->isA( "QRadioButton" ) || o->isA( "QCheckBox" ) ) {
 				postEvent( o, new QKeyEvent( e->type(), Key_Space, ' ',
 				                             ke->state(), " ", ke->isAutoRepeat(), ke->count() ) );
 				return TRUE;
 			}
 		}
 	}
 	return FALSE;
 }
 
 /*!
   \reimp
 */
 void QPEApplication::timerEvent( QTimerEvent *e )
 {
 	if ( e->timerId() == d->presstimer && d->presswidget ) {
 		// Right pressed
 		postEvent( d->presswidget,
 		           new QMouseEvent( QEvent::MouseButtonPress, d->presspos,
 		                            RightButton, LeftButton ) );
 		killTimer( d->presstimer );
 		d->presstimer = 0;
 		d->rightpressed = TRUE;
 	}
 }
 
 void QPEApplication::removeSenderFromStylusDict()
 {
 	stylusDict->remove
 	( ( void* ) sender() );
 	if ( d->presswidget == sender() )
 		d->presswidget = 0;
 }
 
 /*!
   \internal
 */
 bool QPEApplication::keyboardGrabbed() const
 {
 	return d->kbgrabber;
 }
 
+/*!
+  \internal
+*/
+QString QPEApplication::keyboardGrabbedBy() const
+{
+	return d->kbgrabber_appname;
+}
+
 
 /*!
   Reverses the effect of grabKeyboard(). This is called automatically
   on program exit.
 */
 void QPEApplication::ungrabKeyboard()
 {
 	QPEApplicationData * d = ( ( QPEApplication* ) qApp ) ->d;
 	if ( d->kbgrabber == 2 ) {
 #ifndef QT_NO_COP
 		QCopEnvelope e( "QPE/System", "grabKeyboard(QString)" );
 		e << QString::null;
 #endif
 
 		d->kbregrab = FALSE;
 		d->kbgrabber = 0;
 	}
 }
 
 /*!
   Grabs the physical keyboard keys, e.g. the application's launching
   keys. Instead of launching applications when these keys are pressed
   the signals emitted are sent to this application instead. Some games
   programs take over the launch keys in this way to make interaction
   easier.
 
   \sa ungrabKeyboard()
 */
 void QPEApplication::grabKeyboard()
 {
 	QPEApplicationData * d = ( ( QPEApplication* ) qApp ) ->d;
 	if ( qApp->type() == QApplication::GuiServer )
 		d->kbgrabber = 0;
 	else {
 #ifndef QT_NO_COP
 		QCopEnvelope e( "QPE/System", "grabKeyboard(QString)" );
 		e << d->appName;
 #endif
 
 		d->kbgrabber = 2; // me
 	}
 }
 
 /*!
   \reimp
 */
 int QPEApplication::exec()
 {
 #ifndef QT_NO_COP
 	d->sendQCopQ();
 #endif
 
 	if ( d->keep_running )
 		//|| d->qpe_main_widget && d->qpe_main_widget->isVisible() )
 		return QApplication::exec();
 
 #ifndef QT_NO_COP
 
 	{
 		QCopEnvelope e( "QPE/System", "closing(QString)" );
 		e << d->appName;
 	}
 #endif
 	processEvents();