set erase and update flags when a file has changed and the page gets …

…reloaded by filemonitor

filemonitor.cpp

@@ -114,6 +114,7 @@ void FileMonitor::run()
                             // lock
                             q->LoadPage(name); // What if this fails? We can see the bool. What to do ?
                             q->IncrementUpdateCount();
+                            q->SetFileChangedFlag();
                             q->GetPageCount(); // renumber the subpages
                             int mag=(q->GetPageNumber() >> 16) & 0x7;
 

packetmag.cpp

@@ -168,6 +168,8 @@ Packet* PacketMag::GetPacket(Packet* p)
                 if (_page->Changed())
                 {
                   _status|=PAGESTATUS_C8_UPDATE;
+
+                  _status|=PAGESTATUS_C4_ERASEPAGE; // also set the erase flag
                 }
             }
 

ttxpage.cpp

@@ -80,7 +80,8 @@ TTXPage::TTXPage(std::string filename) :
 
 bool TTXPage::Changed()
 {
-  bool changed=false;
+  bool changed=_fileChanged; // begin with file change state
+  _fileChanged=false; // clear the flag
   for (uint8_t row=1;row<=MAXROW;row++)
   {
 		TTXLine* line=GetRow(row);

ttxpage.h

@@ -225,6 +225,8 @@ class TTXPage
          *  This is NOT the same as pageChanged.
          */
         bool Changed();
+
+        void SetFileChangedFlag(){_fileChanged=true;};
 
         void SetSelected(bool value){_Selected=value;}; /// Set the selected state to value
         bool Selected(){return _Selected;}; /// Return the selected state
@@ -286,6 +288,8 @@ class TTXPage
         bool m_LoadTTX(std::string filename);
 
         bool _Selected; /// True if this page has been selected.
+
+        bool _fileChanged; // page was reloaded by the filemonitor
 
 };