Re-add the progress bar to the calculator

Fixes #20583 - Raster calculator freezes the GUI with big rasters ... even if it is frozen while reding the raster, at least it allows to abort the process later
qgis · Dec 5, 2018 · 273a71a · 273a71a
1 parent 29abab0
commit 273a71a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/app/qgisapp.cpp b/src/app/qgisapp.cpp
@@ -5660,6 +5660,7 @@ void QgisApp::showRasterCalculator()
     QgsFeedback feedback;
     connect( &feedback, &QgsFeedback::progressChanged, &p, &QProgressDialog::setValue );
     connect( &p, &QProgressDialog::canceled, &feedback, &QgsFeedback::cancel );
+    p.show();
     QgsRasterCalculator::Result res = static_cast< QgsRasterCalculator::Result >( rc.processCalculation( &feedback ) );
     switch ( res )
     {
@@ -5706,6 +5707,7 @@ void QgisApp::showRasterCalculator()
                                    Qgis::Critical );
         break;
     }
+    p.hide();
   }
 }