# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2015-09-04 18:00:21
# Node ID cb8b69a0516c8737ef3476543a43fa4d83e6d76e
# Parent  40acd76815dc8381dd49b7660e36af79e8cea225

remember user entered port names on reload

diff --git a/portlist.cpp b/portlist.cpp
--- a/portlist.cpp
+++ b/portlist.cpp
@@ -67,16 +67,27 @@ PortList::PortList(QObject* parent) :
     QStandardItemModel(parent)
 {
     loadPortList();
+
+    // we have to use macro based notation to be able to disconnect
+    QObject::connect(this, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
+                     this, SLOT(onRowsInserted(QModelIndex, int, int)));
 }
 
 void PortList::loadPortList()
 {
     clear();
 
+    disconnect(this, SLOT(onRowsInserted(QModelIndex,int,int)));
     for (auto portInfo : QSerialPortInfo::availablePorts())
     {
         appendRow(new PortListItem(&portInfo));
     }
+    for (auto portName : userEnteredPorts)
+    {
+        appendRow(new PortListItem(portName));
+    }
+    QObject::connect(this, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
+                     this, SLOT(onRowsInserted(QModelIndex, int, int)));
 }
 
 int PortList::indexOf(QString portName)
@@ -90,3 +101,11 @@ int PortList::indexOf(QString portName)
     }
     return -1; // not found
 }
+
+void PortList::onRowsInserted(QModelIndex parent, int start, int end)
+{
+    PortListItem* newItem = static_cast<PortListItem*>(item(start));
+    QString portName = newItem->text();
+    newItem->setData(portName, PortNameRole);
+    userEnteredPorts << portName;
+}
diff --git a/portlist.h b/portlist.h
--- a/portlist.h
+++ b/portlist.h
@@ -17,6 +17,9 @@
   along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#ifndef PORTLIST_H
+#define PORTLIST_H
+
 #include <QStandardItemModel>
 #include <QStandardItem>
 #include <QList>
@@ -24,7 +27,7 @@
 
 enum PortListRoles
 {
-    PortNameRole = Qt::UserRole  // portName as QString
+    PortNameRole = Qt::UserRole+1  // portName as QString
 };
 
 class PortListItem : public QStandardItem
@@ -42,6 +45,7 @@ private:
 
 class PortList : public QStandardItemModel
 {
+    Q_OBJECT
 public:
     PortList(QObject* parent=0);
 
@@ -49,5 +53,10 @@ public:
     int indexOf(QString portName); // return -1 if not found
 
 private:
-    QList<PortListItem*> userEnteredPorts;
+    QStringList userEnteredPorts;
+
+private slots:
+    void onRowsInserted(QModelIndex parent, int start, int end);
 };
+
+#endif // PORTLIST_H