Fix some clang warnings

Author: nyalldawson

src/gui/qgstaskmanagerwidget.cpp

@@ -46,9 +46,9 @@ QgsTaskManagerWidget::QgsTaskManagerWidget( QgsTaskManager *manager, QWidget *pa
   mTreeView->setHeaderHidden( true );
   mTreeView->setRootIsDecorated( false );
   mTreeView->setSelectionBehavior( QAbstractItemView::SelectRows );
-  int progressColWidth = fontMetrics().width( "X" ) * 10 * Qgis::UI_SCALE_FACTOR;
+  int progressColWidth = static_cast< int >( fontMetrics().width( 'X' ) * 10 * Qgis::UI_SCALE_FACTOR );
   mTreeView->setColumnWidth( QgsTaskManagerModel::Progress, progressColWidth );
-  int statusColWidth = fontMetrics().width( "X" ) * 2 * Qgis::UI_SCALE_FACTOR;
+  int statusColWidth = static_cast< int >( fontMetrics().width( 'X' ) * 2 * Qgis::UI_SCALE_FACTOR );
   mTreeView->setColumnWidth( QgsTaskManagerModel::Status, statusColWidth );
   mTreeView->setHorizontalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
   mTreeView->setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOn );
@@ -85,7 +85,7 @@ void QgsTaskManagerWidget::modelRowsInserted( const QModelIndex &, int start, in
       if ( progress > 0 )
       {
         progressBar->setMaximum( 100 );
-        progressBar->setValue( progress );
+        progressBar->setValue( static_cast< int >( std::round( progress ) ) );
       }
       else
         progressBar->setMaximum( 0 );
@@ -570,8 +570,8 @@ QgsTaskManagerFloatingWidget::QgsTaskManagerFloatingWidget( QgsTaskManager *mana
 {
   setLayout( new QVBoxLayout() );
   QgsTaskManagerWidget *w = new QgsTaskManagerWidget( manager );
-  int minWidth = fontMetrics().width( 'X' ) * 60 * Qgis::UI_SCALE_FACTOR;
-  int minHeight = fontMetrics().height() * 15 * Qgis::UI_SCALE_FACTOR;
+  int minWidth = static_cast< int >( fontMetrics().width( 'X' ) * 60 * Qgis::UI_SCALE_FACTOR );
+  int minHeight = static_cast< int >( fontMetrics().height() * 15 * Qgis::UI_SCALE_FACTOR );
   setMinimumSize( minWidth, minHeight );
   layout()->addWidget( w );
   setStyleSheet( ".QgsTaskManagerFloatingWidget { border-top-left-radius: 8px;"
@@ -609,7 +609,7 @@ QgsTaskManagerStatusBarWidget::QgsTaskManagerStatusBarWidget( QgsTaskManager *ma
 
 QSize QgsTaskManagerStatusBarWidget::sizeHint() const
 {
-  int width = fontMetrics().width( 'X' ) * 10 * Qgis::UI_SCALE_FACTOR;
+  int width = static_cast< int >( fontMetrics().width( 'X' ) * 10 * Qgis::UI_SCALE_FACTOR );
   int height = QToolButton::sizeHint().height();
   return QSize( width, height );
 }
@@ -627,7 +627,7 @@ void QgsTaskManagerStatusBarWidget::toggleDisplay()
 
 void QgsTaskManagerStatusBarWidget::overallProgressChanged( double progress )
 {
-  mProgressBar->setValue( progress );
+  mProgressBar->setValue( static_cast< int >( std::round( progress ) ) );
   if ( qgsDoubleNear( progress, 0.0 ) )
     mProgressBar->setMaximum( 0 );
   else if ( mProgressBar->maximum() == 0 )