CVS commit by faure: 

Show the error message in the message box when a part can't be loaded.
Fixed wrong "wait cursor" in that msgbox, and don't select the plugin in the sidepane
until successfully loaded, otherwise it looks out of sync.


  M +32 -5     interfaces/core.cpp   1.20
  M +2 -0      interfaces/core.h   1.24
  M +6 -5      src/mainwindow.cpp   1.133


--- kdepim/kontact/interfaces/core.cpp  #1.19:1.20
@@ -28,10 +28,18 @@
 #include <kdebug.h>
 #include <qtimer.h>
+#include <klocale.h>
 
 using namespace Kontact;
 
+class Core::Private
+{
+public:
+  QString lastErrorMessage;
+};
+
 Core::Core( QWidget *parent, const char *name )
   : KParts::MainWindow( parent, name )
 {
+  d = new Private;
   QTimer* timer = new QTimer( this );
   mLastDate = QDate::currentDate();
@@ -42,4 +50,5 @@ Core::Core( QWidget *parent, const char 
 Core::~Core()
 {
+  delete d;
 }
 
@@ -66,10 +75,23 @@ KParts::ReadOnlyPart *Core::createPart( 
                       SLOT( slotPartDestroyed( QObject * ) ) );
   } else {
-    if ( error == KParts::ComponentFactory::ErrNoLibrary ) {
-      // ### how to pass it to kontact for displaying together with the "Cannot load Part" box?
-      kdWarning(5601) << KLibLoader::self()->lastErrorMessage() << endl;
-    } else {
-      kdWarning(5601) << "KParts::ComponentFactory::createInstanceFromFactory returned error code " << error << " for " << libname << endl;
+    // TODO move to KParts::ComponentFactory
+    switch( error ) {
+    case KParts::ComponentFactory::ErrNoServiceFound:
+      d->lastErrorMessage = i18n( "No service found" );
+      break;
+    case KParts::ComponentFactory::ErrServiceProvidesNoLibrary:
+      d->lastErrorMessage = i18n( "Program error: the .desktop file for the service does not have a Library key." );
+      break;
+    case KParts::ComponentFactory::ErrNoLibrary:
+      d->lastErrorMessage = KLibLoader::self()->lastErrorMessage();
+      break;
+    case KParts::ComponentFactory::ErrNoFactory:
+      d->lastErrorMessage = i18n( "Program error: the library %1 does not provide a factory." ).arg( libname );
+      break;
+    case KParts::ComponentFactory::ErrNoComponent:
+      d->lastErrorMessage = i18n( "Program error: the library %1 does not support creating components of the specified type" ).arg( libname );
+      break;
     }
+    kdWarning(5601) << d->lastErrorMessage << endl;
   }
 
@@ -99,4 +121,9 @@ void Core::checkNewDay()
 }
 
+QString Core::lastErrorMessage() const
+{
+  return d->lastErrorMessage;
+}
+
 #include "core.moc"
 // vim: sw=2 sts=2 et tw=80

--- kdepim/kontact/interfaces/core.h  #1.23:1.24
@@ -82,4 +82,6 @@ class Core : public KParts::MainWindow
     Core( QWidget *parentWidget = 0, const char *name = 0 );
 
+    QString lastErrorMessage() const;
+
   private slots:
     void slotPartDestroyed( QObject * );

--- kdepim/kontact/src/mainwindow.cpp  #1.132:1.133
@@ -533,16 +533,17 @@ void MainWindow::selectPlugin( Kontact::
   KApplication::setOverrideCursor( QCursor( Qt::WaitCursor ) );
 
-  if ( mSidePane )
-    mSidePane->selectPlugin( plugin );
-
   KParts::Part *part = plugin->part();
 
   if ( !part ) {
-    KMessageBox::error( this, i18n( "Cannot load part for %1." )
-                              .arg( plugin->title() ) );
     KApplication::restoreOverrideCursor();
+    KMessageBox::error( this, i18n( "Cannot load part for %1." )
+                              .arg( plugin->title() )
+                        + "\n" + lastErrorMessage() );
     return;
   }
 
+  if ( mSidePane )
+    mSidePane->selectPlugin( plugin );
+
   plugin->select();