Prefer two-step construction of UI classes for consistency.

Resources/InsaneWidget/XInsaneWidget.cpp

@@ -388,18 +388,18 @@ private:
 // ----------------------------------------------------------------------------
 IMPLEMENT_CLASS( XInsaneWidget, InsaneWidget )
 
-XInsaneWidget::XInsaneWidget(wxWindow* parent, TimeredStatusBar * sb, wxConfig * config, wxWindowID id, const wxPoint& pos, const wxSize& size, long style)
+XInsaneWidget::XInsaneWidget(wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style)
 : InsaneWidget(parent, id, pos, size, style)
+{}
+
+XInsaneWidget::~XInsaneWidget() = default; // Important for mixing unique_ptr and PIMPL.
+
+void XInsaneWidget::Setup(wxConfig * config, TimeredStatusBar * sb)
 {
   UpdateExtensionsMap();
   m_config = config;
   m_sb = sb;
-}
 
-XInsaneWidget::~XInsaneWidget() = default; // Important for mixing unique_ptr and PIMPL.
-
-void XInsaneWidget::Setup()
-{
   // Restore known last values.
   m_doubleSided = m_config->ReadBool("/Scanner/DoubleSided", false);
   m_total = m_config->ReadLong("/Scanner/Total", 1);
@@ -416,8 +416,8 @@ void XInsaneWidget::Setup()
   m_ptwScannerWidget->Show ( false );
   m_scanProject = std::make_unique<ScanProjectHandler>(this, m_sb);
   m_insaneWorker = std::make_unique<InsaneWorker>(m_scanProject.get());
-  m_scannerWidget = std::make_unique<XScannerWidget> ( m_ptwScannerWidget.get(), m_sb, m_insaneWorker.get() );
-  m_scannerWidget->SetConfig ( m_config );
+  m_scannerWidget = std::make_unique<XScannerWidget> (m_ptwScannerWidget.get());
+  m_scannerWidget->Setup ( m_config, m_insaneWorker.get(), m_sb );
 
   btnScan->Enable(false);
   btnScan->Bind ( wxEVT_RIGHT_UP, &XInsaneWidget::OnBtnScanRightClick, this );

Resources/InsaneWidget/XInsaneWidget.h

@@ -60,12 +60,12 @@ class XInsaneWidget : public InsaneWidget
   DECLARE_DYNAMIC_CLASS( XInsaneWidget )
 public:
   virtual ~XInsaneWidget();
-  XInsaneWidget( wxWindow* parent, TimeredStatusBar * sb,  wxConfig * config, wxWindowID id = SYMBOL_INSANEWIDGET_IDNAME, const wxPoint& pos = SYMBOL_INSANEWIDGET_POSITION, const wxSize& size = SYMBOL_INSANEWIDGET_SIZE, long style = SYMBOL_INSANEWIDGET_STYLE );
+  XInsaneWidget( wxWindow* parent, wxWindowID id = SYMBOL_INSANEWIDGET_IDNAME, const wxPoint& pos = SYMBOL_INSANEWIDGET_POSITION, const wxSize& size = SYMBOL_INSANEWIDGET_SIZE, long style = SYMBOL_INSANEWIDGET_STYLE );
 
   void ResetScanProject();
   void CancelScanning();
   void EnableScanButton(bool enable); // For CallAfter.
-  void Setup();
+  void Setup(wxConfig * config, TimeredStatusBar * sb);
 private:
   wxConfig * m_config;
   wxWeakRef<TimeredStatusBar> m_sb;

Resources/InsaneWidget/XScannerWidget.cpp

@@ -18,19 +18,30 @@ using namespace std;
 
 IMPLEMENT_CLASS( XScannerWidget, ScannerWidget )
 
+XScannerWidget::XScannerWidget() : ScannerWidget()
+{}
+
 XScannerWidget::~XScannerWidget()
 {}
 
-XScannerWidget::XScannerWidget ( wxWindow* parent,  TimeredStatusBar * sb,
-                                 InsaneWorker * insaneWorker,
-                                 wxWindowID id, const wxPoint& pos, const wxSize& size, long int style )
-  : ScannerWidget ( parent, id, pos, size, style )
+XScannerWidget::XScannerWidget ( wxWindow* parent, wxWindowID id,
+                                 const wxPoint& pos, const wxSize& size, long int style )
+: ScannerWidget ( parent, id, pos, size, style )
+{}
+
+void XScannerWidget::Setup ( wxConfig* config, InsaneWorker * insaneWorker,
+                             TimeredStatusBar * sb)
 {
-  UpdateExtensionsMap();
+  wxASSERT_MSG ( ( config != nullptr ),_T("config IS nullptr") );
+  wxASSERT_MSG ( ( insaneWorker != nullptr ),_T("insaneWorker IS nullptr") );
+  m_config = config;
   m_sb = sb;
   m_insaneWorker = insaneWorker;
+
+  UpdateExtensionsMap();
   if (m_insaneWorker)
     m_insaneWorkerEvh = m_insaneWorker->GetEventHandler();
+
   cmbOutputType->Append (Extensions[PDF]); // Use the file extension and the enum index without client data.
 #if wxUSE_LIBPNG
   cmbOutputType->Append (Extensions[PNG]);
@@ -46,7 +57,7 @@ XScannerWidget::XScannerWidget ( wxWindow* parent,  TimeredStatusBar * sb,
 #endif
   // Paper sizes handled by podofo.
   cmbPaperSize->Append(wxArrayString({"A0", "A1", "A2", "A3", "A4", "A5", "A6",
-                                    "Letter", "Legal", "Tabloid"}));
+    "Letter", "Legal", "Tabloid"}));
   
   btnRefreshDevices->Bind ( wxEVT_COMMAND_BUTTON_CLICKED, &XScannerWidget::OnButtonRefreshDevices, this );
   cmbDevices->Bind ( wxEVT_COMMAND_COMBOBOX_SELECTED, &XScannerWidget::OnDeviceSelected, this );
@@ -56,6 +67,20 @@ XScannerWidget::XScannerWidget ( wxWindow* parent,  TimeredStatusBar * sb,
   cmbResolution->Bind ( wxEVT_COMMAND_COMBOBOX_SELECTED, &XScannerWidget::OnResolutionSelected, this );
   cmbPaperSize->Bind ( wxEVT_COMMAND_COMBOBOX_SELECTED, &XScannerWidget::OnPaperSizeSelected, this );
   GetParent()->Bind ( wxEVT_SHOW, &XScannerWidget::OnActivated, this );
+
+  wxString lastImageType;
+  m_config->Read (_T("/Scanner/Last/OutputType"), &lastImageType );
+  if ( cmbOutputType->FindString ( lastImageType, true ) != wxNOT_FOUND )
+    cmbOutputType->SetStringSelection ( lastImageType );
+  else
+    cmbOutputType->Select(0);
+
+  wxString lastPaperSize;
+  m_config->Read (_T("/Scanner/Last/PaperSize"), &lastPaperSize );
+  if ( cmbPaperSize->FindString ( lastPaperSize, true ) != wxNOT_FOUND )
+    cmbPaperSize->SetStringSelection ( lastPaperSize );
+  else
+    cmbPaperSize->Select(4);
 }
 
 bool XScannerWidget::FindDevices ( bool async )
@@ -115,28 +140,6 @@ void XScannerWidget::OnButtonRefreshDevices ( wxCommandEvent& evt )
   btnRefreshDevices->Enable ( true );
 }
 
-void XScannerWidget::SetConfig ( wxFileConfig* config )
-{
-  m_config = config;
-  if ( !m_config )
-    return;
-
-  wxString lastImageType;
-  m_config->Read (_T("/Scanner/Last/OutputType"), &lastImageType );
-  if ( cmbOutputType->FindString ( lastImageType, true ) != wxNOT_FOUND )
-    cmbOutputType->SetStringSelection ( lastImageType );
-  else
-    cmbOutputType->Select(0);
-
-  wxString lastPaperSize;
-  m_config->Read (_T("/Scanner/Last/PaperSize"), &lastPaperSize );
-  if ( cmbPaperSize->FindString ( lastPaperSize, true ) != wxNOT_FOUND )
-    cmbPaperSize->SetStringSelection ( lastPaperSize );
-  else
-    cmbPaperSize->Select(4);
-}
-
-
 void XScannerWidget::OnDeviceSelected ( wxCommandEvent& evt )
 {
   if ( !m_config || ( cmbDevices->GetSelection() == wxNOT_FOUND ) )

Resources/InsaneWidget/XScannerWidget.h

@@ -35,18 +35,16 @@ class XScannerWidget : public ScannerWidget
   DECLARE_DYNAMIC_CLASS( XScannerWidget )
   friend class BackgroundScannerDiscovery;
 public:
-  XScannerWidget() {};
-  ~XScannerWidget();
+  XScannerWidget();
+  virtual ~XScannerWidget();
 
-
-  XScannerWidget ( wxWindow* parent, TimeredStatusBar * sb,
-                   InsaneWorker * insaneWorker,
-                   wxWindowID id = wxID_ANY,
+  XScannerWidget ( wxWindow* parent, wxWindowID id = wxID_ANY,
                    const wxPoint& pos = wxDefaultPosition,
                    const wxSize& size = SYMBOL_SCANNERWIDGET_SIZE,
                    long int style = SYMBOL_SCANNERWIDGET_STYLE );
 
-  void SetConfig ( wxConfig * config );
+  void Setup ( wxConfig* config, InsaneWorker * insaneWorker,
+               TimeredStatusBar * sb = nullptr );
   bool FindDevices ( bool async = false );
   wxString GetCurrentDeviceId() const;
   wxString GetScannerMode() const

XS7.cpp

@@ -29,8 +29,8 @@ void XS7::Setup(wxConfig * config)
   TimeredStatusBar * sb = new TimeredStatusBar(this);
   SetStatusBar(sb);
   
-  m_insaneWidget = new XInsaneWidget(panMain, sb, m_config);
-  m_insaneWidget->Setup();
+  m_insaneWidget = new XInsaneWidget(panMain);
+  m_insaneWidget->Setup(m_config, sb);
   szMain->Insert(2, m_insaneWidget, 1, wxGROW | wxALL);
   
   dpkDestination->Bind ( wxEVT_DIRPICKER_CHANGED, &XS7::OnDpkRepositoryChange, this );