contaminant selection enables apply button

src/gui/project_view/projectwindow.cpp

@@ -89,6 +89,7 @@ ProjectWindow::ProjectWindow(MainWindow *parent):
 #if QT_VERSION >= 0x050000
     // Qt5 code
     connect (ui->filter_parameter_widget, &AutomaticFilterWidget::automaticFilterParametersChanged, this,&ProjectWindow::doAutomaticFilterParametersChanged);
+    connect (ui->contaminant_widget, &ContaminantWidget::changed, this,&ProjectWindow::doContaminantSelectionChanged);
 
     connect(_p_edit_label_methods, &EditLabelMethods::accepted, this,&ProjectWindow::doAcceptedLabelingMethod);
 
@@ -380,6 +381,13 @@ void ProjectWindow::refresh() {
     qDebug() << "ProjectWindow::refresh end ";
 
 }
+
+void ProjectWindow::doContaminantSelectionChanged() {
+    qDebug() << __FILE__ << " " << __FUNCTION__ << " " << __LINE__;
+    ui->apply_filter_button->setEnabled(true);
+    qDebug() << __FILE__ << " " << __FUNCTION__ << " " << __LINE__;
+}
+
 void ProjectWindow::doAutomaticFilterParametersChanged(AutomaticFilterParameters parameters) {
     qDebug() << "ProjectWindow::doAutomaticFilterParametersChanged begin ";
     ui->apply_filter_button->setEnabled(true);

src/gui/project_view/projectwindow.h

@@ -98,6 +98,7 @@ protected :
     void doViewPeptideList(IdentificationGroup * p_ident_group, ProteinMatch * protein_match);
     void doViewProteinDetail(ProteinMatch * protein_match);
     void doIdentificationGroupEdited(IdentificationGroup* p_identification_group);
+    void doContaminantSelectionChanged();
     void computeFdr();
     void computeMassPrecision();