+ Show the 'wait' message when loading dictionaries and the main window is

shown.
+ Propagate and display any exception happened while loading dictionaries.

src/initializing.cc

@@ -4,19 +4,29 @@
 #include "initializing.hh"
 #include <QCloseEvent>
 
-Initializing::Initializing( QWidget * parent ): QDialog( parent )
+Initializing::Initializing( QWidget * parent, bool showOnStartup ): QDialog( parent )
 {
   ui.setupUi( this );
   setWindowFlags( Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint |
                   Qt::WindowMinimizeButtonHint );
   
   setWindowIcon( QIcon( ":/icons/programicon.png" ) );
+
+  if ( showOnStartup )
+  {
+    ui.operation->setText( tr( "Please wait..." ) );
+    ui.dictionary->hide();
+    ui.progressBar->hide();
+    show();
+  }
 }
 
 void Initializing::indexing( QString const & dictionaryName )
 {
   ui.operation->setText( tr( "Please wait while indexing dictionary" ) );
   ui.dictionary->setText( dictionaryName );
+  ui.dictionary->show();
+  ui.progressBar->show();
   show();
 }
 

src/initializing.hh

@@ -13,7 +13,7 @@ class Initializing: public QDialog
 
 public:
 
-  Initializing( QWidget * parent );
+  Initializing( QWidget * parent, bool showOnStartup );
 
   void indexing( QString const & dictionaryName );
 

src/mainwindow.cc

@@ -162,8 +162,15 @@ LoadDictionaries::LoadDictionaries( Config::Paths const & paths_ ):
 
 void LoadDictionaries::run()
 {
-  for( Config::Paths::const_iterator i = paths.begin(); i != paths.end(); ++i )
-    handlePath( *i );
+  try
+  {
+    for( Config::Paths::const_iterator i = paths.begin(); i != paths.end(); ++i )
+      handlePath( *i );
+  }
+  catch( std::exception & e )
+  {
+    exceptionText = e.what();
+  }
 }
 
 void LoadDictionaries::handlePath( Config::Path const & path )
@@ -274,7 +281,7 @@ void MainWindow::makeDictionaries()
 
   dictionaries.clear();
 
-  ::Initializing init( this );
+  ::Initializing init( this, isVisible() );
 
   try
   {
@@ -298,6 +305,16 @@ void MainWindow::makeDictionaries()
 
     loadDicts.wait();
 
+    if ( loadDicts.getExceptionText().size() )
+    {
+      initializing = 0;
+
+      QMessageBox::critical( this, tr( "Error loading dictionaries" ),
+                             QString::fromUtf8( loadDicts.getExceptionText().c_str() ) );
+
+      return;
+    }
+
     dictionaries = loadDicts.getDictionaries();
 
     ///// We create MediaWiki dicts syncronously, since they use netmgr

src/mainwindow.hh

@@ -30,6 +30,7 @@ class LoadDictionaries: public QThread, public Dictionary::Initializing
 
   Config::Paths const & paths;
   vector< sptr< Dictionary::Class > > dictionaries;
+  string exceptionText;
 
 public:
 
@@ -40,6 +41,10 @@ public:
   vector< sptr< Dictionary::Class > > const & getDictionaries() const
   { return dictionaries; }
 
+  /// Empty string means to exception occured
+  string const & getExceptionText() const
+  { return exceptionText; }
+
 signals:
 
   void indexingDictionarySignal( QString dictionaryName );