Save settings. Closes #216

Author: dcwhite

src/Interface/Application/ProvenanceWindow.cc

@@ -164,7 +164,11 @@ void ProvenanceWindow::clear()
 
 void ProvenanceWindow::setMaxItems(int max)
 {
+  if (maxItems_ == max)
+    return;
+
   maxItems_ = max;
+  itemMaxSpinBox_->setValue(max);
   for (int i = 0; i < provenanceListWidget_->count() - max; ++i)
   {
     delete provenanceListWidget_->takeItem(0);

src/Interface/Application/ProvenanceWindow.h

@@ -50,16 +50,17 @@ class ProvenanceWindow : public QDockWidget, public Ui::ProvenanceWindow
 public:
   explicit ProvenanceWindow(SCIRun::Dataflow::Engine::ProvenanceManagerHandle provenanceManager, QWidget* parent = nullptr);
   void showFile(SCIRun::Dataflow::Networks::NetworkFileHandle file);
+  int maxItems() const { return maxItems_; }
 public Q_SLOTS:
   void clear();
   void addProvenanceItem(SCIRun::Dataflow::Engine::ProvenanceItemHandle item);
   void undo();
   void redo();
   void undoAll();
   void redoAll();
+  void setMaxItems(int max);
 private Q_SLOTS:
   void displayInfo(QListWidgetItem* item);
-  void setMaxItems(int max);
 Q_SIGNALS:
   void modifyingNetwork(bool modifying);
   void undoStateChanged(bool enabled);

src/Interface/Application/Settings.cc

@@ -33,6 +33,7 @@
 #include <Interface/Application/PreferencesWindow.h>
 #include <Interface/Application/Connection.h>
 #include <Interface/Application/TagManagerWindow.h>
+#include <Interface/Application/ProvenanceWindow.h>
 #include <Interface/Application/TriggeredEventsWindow.h>
 #include <Core/Application/Preferences/Preferences.h>
 
@@ -307,6 +308,14 @@ void SCIRunMainWindow::readSettings()
     toolkitFiles_ = toolkits;
   }
 
+  const QString undoMaxItems = "undoMaxItems";
+  if (settings.contains(undoMaxItems))
+  {
+    auto max = settings.value(undoMaxItems).toInt();
+    GuiLogger::Instance().logInfo("Setting read: undoMaxItems = " + QString::number(max));
+    provenanceWindow_->setMaxItems(max);
+  }
+
   restoreGeometry(settings.value("geometry").toByteArray());
   restoreState(settings.value("windowState").toByteArray());
 }
@@ -342,6 +351,7 @@ void SCIRunMainWindow::writeSettings()
   settings.setValue("savedSubnetworksNames", savedSubnetworksNames_);
   settings.setValue("savedSubnetworksXml", savedSubnetworksXml_);
   settings.setValue("toolkitFiles", toolkitFiles_);
+  settings.setValue("undoMaxItems", provenanceWindow_->maxItems());
 
   settings.setValue("geometry", saveGeometry());
   settings.setValue("windowState", saveState());