fix srs validation from threads

jef-n · jef-n · commit 9d0ffc20da9e · 2012-03-29T20:18:21.000+02:00
diff --git a/src/app/qgisapp.cpp b/src/app/qgisapp.cpp
@@ -317,14 +317,24 @@ static QgsMessageOutput *messageOutputViewer_()
   return new QgsMessageViewer( QgisApp::instance() );
 }
 
+static void customSrsValidation_( QgsCoordinateReferenceSystem* srs )
+{
+  QgisApp::instance()->emitCustomSrsValidation( srs );
+}
+
+void QgisApp::emitCustomSrsValidation( QgsCoordinateReferenceSystem* srs )
+{
+  emit customSrsValidation( srs );
+}
+
 /**
  * This function contains forced validation of CRS used in QGIS.
  * There are 3 options depending on the settings:
  * - ask for CRS using projection selecter
  * - use project's CRS
  * - use predefined global CRS
  */
-static void customSrsValidation_( QgsCoordinateReferenceSystem* srs )
+void QgisApp::validateSrs( QgsCoordinateReferenceSystem* srs )
 {
   static QString authid = QString::null;
   QSettings mySettings;
@@ -510,6 +520,8 @@ QgisApp::QgisApp( QSplashScreen *splash, bool restorePlugins, QWidget * parent,
   QgsMessageLog::logMessage( tr( "QGIS starting..." ) );
 
   // set QGIS specific srs validation
+  connect( this, SIGNAL( customSrsValidation( QgsCoordinateReferenceSystem * ) ),
+           this, SLOT( validateSrs( QgsCoordinateReferenceSystem * ) ) );
   QgsCoordinateReferenceSystem::setCustomSrsValidation( customSrsValidation_ );
 
   // set graphical message output
diff --git a/src/app/qgisapp.h b/src/app/qgisapp.h
@@ -372,6 +372,8 @@ class QgisApp : public QMainWindow, private Ui::MainWindow
     //! @note added in 1.6
     void completeInitialization();
 
+    void emitCustomSrsValidation( QgsCoordinateReferenceSystem *crs );
+
   public slots:
     //! Zoom to full extent
     void zoomFull();
@@ -486,6 +488,9 @@ class QgisApp : public QMainWindow, private Ui::MainWindow
 #endif
 
   private slots:
+    //! validate a SRS
+    void validateSrs( QgsCoordinateReferenceSystem *crs );
+
     //! QGis Sponsors
     void sponsors();
     //! About QGis
@@ -887,6 +892,8 @@ class QgisApp : public QMainWindow, private Ui::MainWindow
      @note added in version 1.6*/
     void initializationCompleted();
 
+    void customSrsValidation( QgsCoordinateReferenceSystem *crs );
+
   private:
     /** This method will open a dialog so the user can select the sublayers to load
     */
