Improve formatting of error messages

src/libcalamares/PythonHelper.cpp

@@ -270,9 +270,14 @@ Helper::handleLastError()
         msgList.append( valMsg );
 
     if ( !tbMsg.isEmpty() )
-        msgList.append( QString( "</code>Traceback:<code><br/>%1" ).arg( tbMsg ) );
+    {
+        msgList.append( "Traceback:" );
+        msgList.append( QString( "<pre>%1</pre>" ).arg( tbMsg ) );
+        cDebug() << "tbMsg" << tbMsg;
+    }
 
-    return QString( "<code>%1</code>" ).arg( msgList.join( "<br/>" ) );
+    // Return a string made of the msgList items, wrapped in <div> tags
+    return QString( "<div>%1</div>" ).arg( msgList.join( "</div><div>" ) );
 }
 
 

src/libcalamares/PythonJob.cpp

@@ -195,11 +195,7 @@ PythonJob::exec()
             bp::tuple resultTuple = bp::extract< bp::tuple >( runResult );
             QString message = QString::fromStdString( bp::extract< std::string >( resultTuple[ 0 ] ) );
             QString description = QString::fromStdString( bp::extract< std::string >( resultTuple[ 1 ] ) );
-            return JobResult::error( tr( "Job \"%1\" finished with error" )
-                                        .arg( prettyName() ),
-                                     QString( "<strong>%1</strong><br/>%2" )
-                                        .arg( message )
-                                        .arg( description ) );
+            return JobResult::error( message, description );
         }
     }
     catch ( bp::error_already_set )
@@ -211,7 +207,7 @@ PythonJob::exec()
         }
         bp::handle_exception();
         PyErr_Clear();
-        return JobResult::error( tr( "Boost.Python error in job \"%1\"" ).arg( prettyName() ),
+        return JobResult::error( tr( "Boost.Python error in job \"%1\"." ).arg( prettyName() ),
                                  msg );
     }
 

src/libcalamaresui/ViewManager.cpp

@@ -116,24 +116,20 @@ ViewManager::insertViewStep( int before, ViewStep* step)
 void
 ViewManager::onInstallationFailed( const QString& message, const QString& details )
 {
-    QString text = tr(
-        "<p><b>Installation Failed</b></p>"
-        "<p>%1</p>"
-        ).arg( message );
+    QMessageBox msgBox;
+    msgBox.setIcon( QMessageBox::Critical );
+    msgBox.setWindowTitle( tr("Error") );
+    msgBox.setText( "<strong>" + tr( "Installation Failed" ) + "</strong>" );
+    msgBox.setStandardButtons( QMessageBox::Close );
 
+    QString text = "<p>" + message + "</p>";
     if ( !details.isEmpty() )
     {
-        text += tr(
-            "<p>%1</p>"
-            ).arg( details );
+        text += "<p>" + details + "</p>";
     }
+    msgBox.setInformativeText( text );
 
-    QMessageBox::critical(
-        QApplication::activeWindow(),
-        tr( "Error" ),
-        text,
-        QMessageBox::Close
-    );
+    msgBox.exec();
     QApplication::quit();
 }