get the default gfx driver from QWS_DISPLAY instead of hardcoding

it to 'Transformed' when launching rotated apps.
Patch courtesy Manuel Teira

3 files changed, 12 insertions, 4 deletions

diff --git a/library/applnk.cpp b/library/applnk.cpp
index c82d3b9..874a1b6 100644
--- a/library/applnk.cpp
+++ b/library/applnk.cpp
@@ -664,51 +664,53 @@ AppLnk::~AppLnk()
 
 /*!
   \overload
   Executes the application associated with this AppLnk.
 
   \sa exec()
 */
 void AppLnk::execute() const
 {
     execute( QStringList::split( ' ', property( "Arguments" ) ) );
 }
 
 /*!
   Executes the application associated with this AppLnk, with
   \a args as arguments.
 
   \sa exec()
 */
 void AppLnk::execute(const QStringList& args) const
 {
 #ifdef Q_WS_QWS
     if ( !mRotation.isEmpty() ) {
   // ######## this will only work in the server
   int rot = QPEApplication::defaultRotation();
+  int j = 0;
   rot = (rot+mRotation.toInt())%360;
-  QCString old = getenv("QWS_DISPLAY");
-  setenv("QWS_DISPLAY", QString("Transformed:Rot%1:0").arg(rot), 1);
+  QCString old = getenv( "QWS_DISPLAY" ) ? getenv( "QWS_DISPLAY" ) : "Transformed";
+  QString driver( old.left( ( ( j = old.find( ':' ) ) >= 0 ) ? j : old.size() ).data() );
+  setenv( "QWS_DISPLAY", QString( "%1:Rot%2:0" ).arg( driver ).arg( rot ), 1 );
   invoke(args);
   setenv("QWS_DISPLAY", old.data(), 1);
     } else
 #endif
   invoke(args);
 }
 
 /*!
   Invokes the application associated with this AppLnk, with
   \a args as arguments. Rotation is not taken into account by
   this function, so you should not call it directly.
 
   \sa execute()
 */
 void AppLnk::invoke(const QStringList& args) const
 {
     if ( property( "Arguments" ).isEmpty() )
         Global::execute( exec(), args[0] );
     else
         Global::execute( exec(), args.join( " " ) );
 }
 
 /*!
   Sets the Exec property to \a exec.
diff --git a/library/qpeapplication.cpp b/library/qpeapplication.cpp
index 0f3e4a4..19e99f2 100644
--- a/library/qpeapplication.cpp
+++ b/library/qpeapplication.cpp
@@ -1267,49 +1267,52 @@ int QPEApplication::defaultRotation()
         QString d = getenv( "QWS_DISPLAY" );
         if ( d.contains( "Rot90" ) ) {
             deforient = 90;
         }
         else if ( d.contains( "Rot180" ) ) {
             deforient = 180;
         }
         else if ( d.contains( "Rot270" ) ) {
             deforient = 270;
         }
         else {
             deforient = 0;
         }
     }
     return deforient;
 }
 
 /*!
   \internal
 */
 void QPEApplication::setDefaultRotation( int r )
 {
     if ( qApp->type() == GuiServer ) {
         deforient = r;
-        setenv( "QWS_DISPLAY", QString( "Transformed:Rot%1:0" ).arg( r ).latin1(), 1 );
+        int j = 0;
+        QCString old = getenv( "QWS_DISPLAY" ) ? getenv( "QWS_DISPLAY" ) : "Transformed";
+        QString driver( old.left( ( ( j = old.find( ':' ) ) >= 0 ) ? j : old.size() ).data() );
+        setenv( "QWS_DISPLAY", QString( "%1:Rot%2:0" ).arg(driver).arg( r ).latin1(), 1 );
         Config config("qpe");
         config.setGroup( "Rotation" );
         config.writeEntry( "Rot", r );
     }
     else {
 #ifndef QT_NO_COP
         { QCopEnvelope e( "QPE/System", "setDefaultRotation(int)" );
             e << r;
         }
 #endif
 
     }
 }
 
 #include <qgfx_qws.h>
 #include <qwindowsystem_qws.h>
 
 #if QT_VERSION > 236
 extern void qws_clearLoadedFonts();
 #endif
 
 void QPEApplication::setCurrentMode( int x, int y, int depth )
 {
     // Reset the caches
diff --git a/library/qpeapplication.h b/library/qpeapplication.h
index 167fe69..cff3e43 100644
--- a/library/qpeapplication.h
+++ b/library/qpeapplication.h
@@ -187,49 +187,52 @@ enum Transformation { Rot0, Rot90, Rot180, Rot270 }; /* from qgfxtransformed_qws
 inline int TransToDeg ( Transformation t )
 {
     int d = static_cast<int>( t );
     return d * 90;
 }
 
 inline Transformation DegToTrans ( int d )
 {
     Transformation t = static_cast<Transformation>( d / 90 );
     return t;
 }
 
 /*
  * Set current rotation of Opie, and rotation for newly started apps.
  * Differs from setDefaultRotation in that 1) it rotates currently running apps,
  * and 2) does not set deforient or save orientation to qpe.conf.
  */
 
 inline void QPEApplication::setCurrentRotation( int r )
 {
     // setTransformation has been introduced in Qt/Embedded 2.3.4 snapshots
     // for compatibility with the SharpROM use fallback to setDefaultTransformation()
 #if QT_VERSION > 233
     Transformation e = DegToTrans( r );
-    ::setenv( "QWS_DISPLAY", QString( "Transformed:Rot%1:0" ).arg( r ).latin1(), 1 );
+    QCString old = getenv("QWS_DISPLAY") ? getenv( "QWS_DISPLAY" ) : "Transformed";
+    int j = 0;
+    QString driver( old.left( ( ( j = old.find( ':' ) ) >= 0 ) ? j : old.size() ).data() );
+    ::setenv( "QWS_DISPLAY", QString( "%1:Rot%2:0" ).arg( driver ).arg( r ).latin1(), 1 );
     qApp->desktop()->qwsDisplay()->setTransformation( e );
 #else
     setDefaultRotation( r );
 #endif
 }
 
 /*
  * Qtopia 1.7 SDK compatibility macros
  * FIXME: Support Opie Quicklaunch Interface
  */
 #define QTOPIA_ADD_APPLICATION(NAME,IMPLEMENTATION) 			\
 	int main( int argc, char** argv )				\
 	{ 								\
 		QPEApplication app = QPEApplication( argc, argv );	\
 		IMPLEMENTATION* mw = new IMPLEMENTATION();		\
 		app.showMainWidget( mw );				\
 		app.exec();						\
 	}
 #define QTOPIA_MAIN // Bee-Bop-Alula
 
 /*
  * -remove me
  */ 
 #ifdef Q_WS_QWS