]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/docview.cpp
replaced C++ comments with C ones
[wxWidgets.git] / src / common / docview.cpp
index 33cde3d1f2d2eab36c0c280f802101958b01ed23..36ecc6a51a70aa25978e168e7b528fe94ee2f564 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        docview.cpp
+// Name:        src/common/docview.cpp
 // Purpose:     Document/view classes
 // Author:      Julian Smart
 // Modified by:
@@ -42,6 +42,7 @@
     #include "wx/intl.h"
 #endif
 
+
 #ifdef __WXGTK__
     #include "wx/mdi.h"
 #endif
@@ -55,6 +56,8 @@
 #include "wx/choicdlg.h"
 #include "wx/docview.h"
 #include "wx/confbase.h"
+#include "wx/file.h"
+#include "wx/cmdproc.h"
 
 #include <stdio.h>
 #include <string.h>
 // wxWindows macros
 // ----------------------------------------------------------------------------
 
-#if !USE_SHARED_LIBRARY
-    IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler)
-    IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler)
-    IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject)
-    IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler)
-    IMPLEMENT_CLASS(wxDocChildFrame, wxFrame)
-    IMPLEMENT_CLASS(wxDocParentFrame, wxFrame)
-
-    #if wxUSE_PRINTING_ARCHITECTURE
-        IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout)
-    #endif
-
-    IMPLEMENT_CLASS(wxCommand, wxObject)
-    IMPLEMENT_DYNAMIC_CLASS(wxCommandProcessor, wxObject)
-    IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler)
+IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler)
+IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler)
+IMPLEMENT_CLASS(wxDocChildFrame, wxFrame)
+IMPLEMENT_CLASS(wxDocParentFrame, wxFrame)
+
+#if wxUSE_PRINTING_ARCHITECTURE
+    IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout)
 #endif
 
+IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject)
+
 // ----------------------------------------------------------------------------
 // function prototypes
 // ----------------------------------------------------------------------------
 
 static inline wxString FindExtension(const wxChar *path);
 
+// ----------------------------------------------------------------------------
+// local constants
+// ----------------------------------------------------------------------------
+
+static const wxChar *s_MRUEntryFormat = wxT("&%d %s");
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -124,6 +129,7 @@ wxDocument::wxDocument(wxDocument *parent)
     m_documentModified = FALSE;
     m_documentParent = parent;
     m_documentTemplate = (wxDocTemplate *) NULL;
+    m_commandProcessor = (wxCommandProcessor*) NULL;
     m_savedYet = FALSE;
 }
 
@@ -139,7 +145,8 @@ wxDocument::~wxDocument()
     if (m_commandProcessor)
         delete m_commandProcessor;
 
-    GetDocumentManager()->RemoveDocument(this);
+    if (GetDocumentManager())
+        GetDocumentManager()->RemoveDocument(this);
 
     // Not safe to do here, since it'll invoke virtual view functions
     // expecting to see valid derived objects: and by the time we get here,
@@ -166,6 +173,8 @@ bool wxDocument::OnCloseDocument()
 // deleted.
 bool wxDocument::DeleteAllViews()
 {
+    wxDocManager* manager = GetDocumentManager();
+
     wxNode *node = m_documentViews.First();
     while (node)
     {
@@ -178,6 +187,11 @@ bool wxDocument::DeleteAllViews()
         delete view; // Deletes node implicitly
         node = next;
     }
+    // If we haven't yet deleted the document (for example
+    // if there were no views) then delete it.
+    if (manager && manager->GetDocuments().Member(this))
+        delete this;
+
     return TRUE;
 }
 
@@ -190,7 +204,7 @@ wxView *wxDocument::GetFirstView() const
 
 wxDocManager *wxDocument::GetDocumentManager() const
 {
-    return m_documentTemplate->GetDocumentManager();
+    return (m_documentTemplate ? m_documentTemplate->GetDocumentManager() : (wxDocManager*) NULL);
 }
 
 bool wxDocument::OnNewDocument()
@@ -215,8 +229,8 @@ bool wxDocument::Save()
 {
     bool ret = FALSE;
 
-    if (!IsModified()) return TRUE;
-    if (m_documentFile == _T("") || !m_savedYet)
+    if (!IsModified() && m_savedYet) return TRUE;
+    if (m_documentFile == wxT("") || !m_savedYet)
         ret = SaveAs();
     else
         ret = OnSaveDocument(m_documentFile);
@@ -233,7 +247,7 @@ bool wxDocument::SaveAs()
 
     wxString tmp = wxFileSelector(_("Save as"),
             docTemplate->GetDirectory(),
-            GetFilename(),
+            wxFileNameFromPath(GetFilename()),
             docTemplate->GetDefaultExtension(),
             docTemplate->GetFileFilter(),
             wxSAVE | wxOVERWRITE_PROMPT,
@@ -246,7 +260,7 @@ bool wxDocument::SaveAs()
     wxString path, name, ext;
     wxSplitPath(fileName, & path, & name, & ext);
 
-    if (ext.IsEmpty() || ext == _T(""))
+    if (ext.IsEmpty() || ext == wxT(""))
     {
         fileName += ".";
         fileName += docTemplate->GetDefaultExtension();
@@ -275,17 +289,17 @@ bool wxDocument::OnSaveDocument(const wxString& file)
         return FALSE;
 
     wxString msgTitle;
-    if (wxTheApp->GetAppName() != _T(""))
+    if (wxTheApp->GetAppName() != wxT(""))
         msgTitle = wxTheApp->GetAppName();
     else
         msgTitle = wxString(_("File error"));
 
 #if wxUSE_STD_IOSTREAM
-    ofstream store(FNSTRINGCAST file.fn_str());
+    wxSTD ofstream store(wxString(file.fn_str()).mb_str());
     if (store.fail() || store.bad())
 #else
-    wxFileOutputStream store(FNSTRINGCAST file.fn_str());
-    if (store.LastError() != 0)
+    wxFileOutputStream store(wxString(file.fn_str()));
+    if (store.LastError() != wxSTREAM_NOERROR)
 #endif
     {
         (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
@@ -293,7 +307,7 @@ bool wxDocument::OnSaveDocument(const wxString& file)
         // Saving error
         return FALSE;
     }
-    if (SaveObject(store)==FALSE)
+    if (!SaveObject(store))
     {
         (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
                            GetDocumentWindow());
@@ -311,24 +325,30 @@ bool wxDocument::OnOpenDocument(const wxString& file)
         return FALSE;
 
     wxString msgTitle;
-    if (wxTheApp->GetAppName() != _T(""))
+    if (wxTheApp->GetAppName() != wxT(""))
         msgTitle = wxTheApp->GetAppName();
     else
         msgTitle = wxString(_("File error"));
 
 #if wxUSE_STD_IOSTREAM
-    ifstream store(FNSTRINGCAST file.fn_str());
+    wxSTD ifstream store(wxString(file.fn_str()).mb_str());
     if (store.fail() || store.bad())
 #else
-    wxFileInputStream store(FNSTRINGCAST file.fn_str());
-    if (store.LastError() != 0)
+    wxFileInputStream store(wxString(file.fn_str()));
+    if (store.LastError() != wxSTREAM_NOERROR)
 #endif
     {
         (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
                            GetDocumentWindow());
         return FALSE;
     }
-    if (LoadObject(store)==FALSE)
+#if wxUSE_STD_IOSTREAM
+    if (!LoadObject(store))
+#else
+    int res = LoadObject(store).LastError();
+    if ((res != wxSTREAM_NOERROR) &&
+        (res != wxSTREAM_EOF))
+#endif
     {
         (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
                            GetDocumentWindow());
@@ -344,26 +364,22 @@ bool wxDocument::OnOpenDocument(const wxString& file)
 }
 
 #if wxUSE_STD_IOSTREAM
-istream& wxDocument::LoadObject(istream& stream)
+wxSTD istream& wxDocument::LoadObject(wxSTD istream& stream)
+#else
+wxInputStream& wxDocument::LoadObject(wxInputStream& stream)
+#endif
 {
     return stream;
 }
 
-ostream& wxDocument::SaveObject(ostream& stream)
-{
-    return stream;
-}
+#if wxUSE_STD_IOSTREAM
+wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream)
 #else
-bool wxDocument::LoadObject(wxInputStream& stream)
-{
-    return TRUE;
-}
-
-bool wxDocument::SaveObject(wxOutputStream& stream)
+wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
+#endif
 {
-    return TRUE;
+    return stream;
 }
-#endif
 
 bool wxDocument::Revert()
 {
@@ -374,12 +390,12 @@ bool wxDocument::Revert()
 // Get title, or filename if no title, else unnamed
 bool wxDocument::GetPrintableName(wxString& buf) const
 {
-    if (m_documentTitle != _T(""))
+    if (m_documentTitle != wxT(""))
     {
         buf = m_documentTitle;
         return TRUE;
     }
-    else if (m_documentFile != _T(""))
+    else if (m_documentFile != wxT(""))
     {
         buf = wxFileNameFromPath(m_documentFile);
         return TRUE;
@@ -414,7 +430,7 @@ bool wxDocument::OnSaveModified()
         GetPrintableName(title);
 
         wxString msgTitle;
-        if (wxTheApp->GetAppName() != _T(""))
+        if (wxTheApp->GetAppName() != wxT(""))
             msgTitle = wxTheApp->GetAppName();
         else
             msgTitle = wxString(_("Warning"));
@@ -518,13 +534,13 @@ wxView::wxView()
     //  SetDocument(doc);
     m_viewDocument = (wxDocument*) NULL;
 
-    m_viewTypeName = "";
+    m_viewTypeName = wxT("");
     m_viewFrame = (wxFrame *) NULL;
 }
 
 wxView::~wxView()
 {
-    GetDocumentManager()->ActivateView(this, FALSE, TRUE);
+//    GetDocumentManager()->ActivateView(this, FALSE, TRUE);
     m_viewDocument->RemoveView(this);
 }
 
@@ -554,10 +570,11 @@ void wxView::OnChangeFilename()
 {
     if (GetFrame() && GetDocument())
     {
-        wxString name;
-        GetDocument()->GetPrintableName(name);
+        wxString title;
+
+        GetDocument()->GetPrintableName(title);
 
-        GetFrame()->SetTitle(name);
+        GetFrame()->SetTitle(title);
     }
 }
 
@@ -646,7 +663,8 @@ wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags)
         return doc;
     else
     {
-        delete doc;
+        if (GetDocumentManager()->GetDocuments().Member(doc))
+            doc->DeleteAllViews();
         return (wxDocument *) NULL;
     }
 }
@@ -688,13 +706,29 @@ BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler)
     EVT_MENU(wxID_SAVEAS, wxDocManager::OnFileSaveAs)
     EVT_MENU(wxID_UNDO, wxDocManager::OnUndo)
     EVT_MENU(wxID_REDO, wxDocManager::OnRedo)
+
+    EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen)
+    EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateFileClose)
+    EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateFileRevert)
+    EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew)
+    EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave)
+    EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateFileSaveAs)
+    EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo)
+    EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo)
+
 #if wxUSE_PRINTING_ARCHITECTURE
     EVT_MENU(wxID_PRINT, wxDocManager::OnPrint)
     EVT_MENU(wxID_PRINT_SETUP, wxDocManager::OnPrintSetup)
     EVT_MENU(wxID_PREVIEW, wxDocManager::OnPreview)
+
+    EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdatePrint)
+    EVT_UPDATE_UI(wxID_PRINT_SETUP, wxDocManager::OnUpdatePrintSetup)
+    EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdatePreview)
 #endif
 END_EVENT_TABLE()
 
+wxDocManager* wxDocManager::sm_docManager = (wxDocManager*) NULL;
+
 wxDocManager::wxDocManager(long flags, bool initialize)
 {
     m_defaultDocumentNameCounter = 1;
@@ -704,6 +738,7 @@ wxDocManager::wxDocManager(long flags, bool initialize)
     m_fileHistory = (wxFileHistory *) NULL;
     if (initialize)
         Initialize();
+    sm_docManager = this;
 }
 
 wxDocManager::~wxDocManager()
@@ -711,6 +746,7 @@ wxDocManager::~wxDocManager()
     Clear();
     if (m_fileHistory)
         delete m_fileHistory;
+    sm_docManager = (wxDocManager*) NULL;
 }
 
 bool wxDocManager::Clear(bool force)
@@ -779,7 +815,10 @@ void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
 
 void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
 {
-    CreateDocument(wxString(""), 0);
+    if ( !CreateDocument(wxString(""), 0) )
+    {
+        OnOpenFileFailure();
+    }
 }
 
 void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event))
@@ -834,7 +873,7 @@ void wxDocManager::OnPrintSetup(wxCommandEvent& WXUNUSED(event))
 
     wxPrintDialogData data;
 
-    wxPrintDialog printerDialog(parentWin, & data);
+    wxPrintDialog printerDialog(parentWin, &data);
     printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
     printerDialog.ShowModal();
 #endif // wxUSE_PRINTING_ARCHITECTURE
@@ -881,6 +920,71 @@ void wxDocManager::OnRedo(wxCommandEvent& WXUNUSED(event))
         doc->GetCommandProcessor()->Redo();
 }
 
+// Handlers for UI update commands
+
+void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
+{
+    event.Enable( TRUE );
+}
+
+void wxDocManager::OnUpdateFileClose(wxUpdateUIEvent& event)
+{
+    wxDocument *doc = GetCurrentDocument();
+    event.Enable( (doc != (wxDocument*) NULL) );
+}
+
+void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event)
+{
+    wxDocument *doc = GetCurrentDocument();
+    event.Enable( (doc != (wxDocument*) NULL) );
+}
+
+void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
+{
+    event.Enable( TRUE );
+}
+
+void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event)
+{
+    wxDocument *doc = GetCurrentDocument();
+    event.Enable( (doc != (wxDocument*) NULL) );
+}
+
+void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event)
+{
+    wxDocument *doc = GetCurrentDocument();
+    event.Enable( (doc != (wxDocument*) NULL) );
+}
+
+void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+    wxDocument *doc = GetCurrentDocument();
+    event.Enable( (doc && doc->GetCommandProcessor() && doc->GetCommandProcessor()->CanUndo()) );
+}
+
+void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
+{
+    wxDocument *doc = GetCurrentDocument();
+    event.Enable( (doc && doc->GetCommandProcessor() && doc->GetCommandProcessor()->CanRedo()) );
+}
+
+void wxDocManager::OnUpdatePrint(wxUpdateUIEvent& event)
+{
+    wxDocument *doc = GetCurrentDocument();
+    event.Enable( (doc != (wxDocument*) NULL) );
+}
+
+void wxDocManager::OnUpdatePrintSetup(wxUpdateUIEvent& event)
+{
+    event.Enable( TRUE );
+}
+
+void wxDocManager::OnUpdatePreview(wxUpdateUIEvent& event)
+{
+    wxDocument *doc = GetCurrentDocument();
+    event.Enable( (doc != (wxDocument*) NULL) );
+}
+
 wxView *wxDocManager::GetCurrentView() const
 {
     if (m_currentView)
@@ -981,8 +1085,8 @@ wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
     // Existing document
     wxDocTemplate *temp = (wxDocTemplate *) NULL;
 
-    wxString path2(_T(""));
-    if (path != _T(""))
+    wxString path2(wxT(""));
+    if (path != wxT(""))
         path2 = path;
 
     if (flags & wxDOC_SILENT)
@@ -1001,15 +1105,16 @@ wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
             newDoc->SetDocumentTemplate(temp);
             if (!newDoc->OnOpenDocument(path2))
             {
-                delete newDoc;
+                newDoc->DeleteAllViews();
+                // delete newDoc; // Implicitly deleted by DeleteAllViews
                 return (wxDocument *) NULL;
             }
             AddFileToHistory(path2);
         }
         return newDoc;
     }
-    else
-        return (wxDocument *) NULL;
+
+    return (wxDocument *) NULL;
 }
 
 wxView *wxDocManager::CreateView(wxDocument *doc, long flags)
@@ -1085,6 +1190,24 @@ bool wxDocManager::MakeDefaultName(wxString& name)
     return TRUE;
 }
 
+// Make a frame title (override this to do something different)
+// If docName is empty, a document is not currently active.
+wxString wxDocManager::MakeFrameTitle(wxDocument* doc)
+{
+    wxString appName = wxTheApp->GetAppName();
+    wxString title;
+    if (!doc)
+        title = appName;
+    else
+    {
+        wxString docName;
+        doc->GetPrintableName(docName);
+        title = docName + wxString(_(" - ")) + appName;
+    }
+    return title;
+}
+
+
 // Not yet implemented
 wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
 {
@@ -1098,6 +1221,12 @@ void wxDocManager::AddFileToHistory(const wxString& file)
         m_fileHistory->AddFileToHistory(file);
 }
 
+void wxDocManager::RemoveFileFromHistory(int i)
+{
+    if (m_fileHistory)
+        m_fileHistory->RemoveFileFromHistory(i);
+}
+
 wxString wxDocManager::GetHistoryFile(int i) const
 {
     wxString histFile;
@@ -1175,13 +1304,35 @@ wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
     return theTemplate;
 }
 
+// Try to get a more suitable parent frame than the top window,
+// for selection dialogs. Otherwise you may get an unexpected
+// window being activated when a dialog is shown.
+static wxWindow* wxFindSuitableParent()
+{
+    wxWindow* parent = wxTheApp->GetTopWindow();
+
+    wxWindow* focusWindow = wxWindow::FindFocus();
+    if (focusWindow)
+    {
+        while (focusWindow &&
+                !focusWindow->IsKindOf(CLASSINFO(wxDialog)) &&
+                !focusWindow->IsKindOf(CLASSINFO(wxFrame)))
+
+            focusWindow = focusWindow->GetParent();
+
+        if (focusWindow)
+            parent = focusWindow;
+    }
+    return parent;
+}
+
 // Prompts user to open a file, using file specs in templates.
 // How to implement in wxWindows? Must extend the file selector
 // dialog or implement own; OR match the extension to the
 // template extension.
 
 wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
-#ifdef __WXMSW__
+#if defined(__WXMSW__) || defined(__WXGTK__)
                                                 int noTemplates,
 #else
                                                 int WXUNUSED(noTemplates),
@@ -1190,8 +1341,8 @@ wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
                                                 long WXUNUSED(flags),
                                                 bool WXUNUSED(save))
 {
-    // We can only have multiple filters in Windows
-#ifdef __WXMSW__
+    // We can only have multiple filters in Windows and GTK
+#if defined(__WXMSW__) || defined(__WXGTK__)
     wxString descrBuf;
 
     int i;
@@ -1201,48 +1352,64 @@ wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
         {
             // add a '|' to separate this filter from the previous one
             if ( !descrBuf.IsEmpty() )
-                descrBuf << _T('|');
+                descrBuf << wxT('|');
 
             descrBuf << templates[i]->GetDescription()
-                << _T(" (") << templates[i]->GetFileFilter() << _T(") |")
+                << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
                 << templates[i]->GetFileFilter();
         }
     }
 #else
-    wxString descrBuf = _T("*.*");
+    wxString descrBuf = wxT("*.*");
 #endif
 
-    int FilterIndex = 0;
+    int FilterIndex = -1;
+
+    wxWindow* parent = wxFindSuitableParent();
+
     wxString pathTmp = wxFileSelectorEx(_("Select a file"),
-                                        _T(""),
-                                        _T(""),
+                                        m_lastDirectory,
+                                        wxT(""),
                                         &FilterIndex,
                                         descrBuf,
                                         0,
-                                        wxTheApp->GetTopWindow());
+                                        parent);
 
+    wxDocTemplate *theTemplate = (wxDocTemplate *)NULL;
     if (!pathTmp.IsEmpty())
     {
-        path = pathTmp;
-        wxString theExt = FindExtension(path);
-        if (!theExt)
+        if (!wxFileExists(pathTmp))
+        {
+            wxString msgTitle;
+            if (!wxTheApp->GetAppName().IsEmpty())
+                msgTitle = wxTheApp->GetAppName();
+            else
+                msgTitle = wxString(_("File error"));
+
+            (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
+                parent);
+
+            path = wxT("");
             return (wxDocTemplate *) NULL;
+        }
+        m_lastDirectory = wxPathOnly(pathTmp);
 
-        // This is dodgy in that we're selecting the template on the
-        // basis of the file extension, which may not be a standard
-        // one. We really want to know exactly which template was
-        // chosen by using a more advanced file selector.
-        wxDocTemplate *theTemplate = FindTemplateForPath(path);
-        if ( !theTemplate )
-            theTemplate = templates[FilterIndex];
+        path = pathTmp;
 
-        return theTemplate;
+        // first choose the template using the extension, if this fails (i.e.
+        // wxFileSelectorEx() didn't fill it), then use the path
+        if ( FilterIndex != -1 )
+            theTemplate = templates[FilterIndex];
+        if ( !theTemplate )
+            theTemplate = FindTemplateForPath(path);
     }
     else
     {
-        path = _T("");
-        return (wxDocTemplate *) NULL;
+        path = wxT("");
     }
+
+    return theTemplate;
+
 #if 0
     // In all other windowing systems, until we have more advanced
     // file selectors, we must select the document type (template) first, and
@@ -1251,7 +1418,7 @@ wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
     if (!temp)
         return (wxDocTemplate *) NULL;
 
-    wxChar *pathTmp = wxFileSelector(_("Select a file"), _T(""), _T(""),
+    wxChar *pathTmp = wxFileSelector(_("Select a file"), wxT(""), wxT(""),
             temp->GetDefaultExtension(),
             temp->GetFileFilter(),
             0, wxTheApp->GetTopWindow());
@@ -1267,61 +1434,134 @@ wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
 }
 
 wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
-                                                int noTemplates)
+                                                int noTemplates, bool sort)
 {
-    wxChar **strings = new wxChar *[noTemplates];
-    wxChar **data = new wxChar *[noTemplates];
+    wxArrayString strings(sort);
+    wxDocTemplate **data = new wxDocTemplate *[noTemplates];
     int i;
     int n = 0;
-    for (i = 0; i < noTemplates; i++)
-    {
-        if (templates[i]->IsVisible())
-        {
-            strings[n] = WXSTRINGCAST templates[i]->m_description;
-            data[n] = (wxChar *)templates[i];
-            n ++;
-        }
-    }
-    if (n == 0)
-    {
-        delete[] strings;
-        delete[] data;
-        return (wxDocTemplate *) NULL;
-    }
-    else if (n == 1)
-    {
-        wxDocTemplate *temp = (wxDocTemplate *)data[0];
-        delete[] strings;
-        delete[] data;
-        return temp;
+       for (i = 0; i < noTemplates; i++)
+       {
+               if (templates[i]->IsVisible())
+               {
+                       strings.Add(templates[i]->m_description);
+                       if (!sort)
+                       {
+                               data[n] = templates[i];
+                               n ++;
+                       }
+               }
+       }  // for
+
+       if (sort)
+       {
+               // Yes, this will be slow, but template lists
+               // are typically short.
+               int j;
+               n = strings.Count();
+               for (i = 0; i < n; i++)
+               {
+                       for (j = 0; j < noTemplates; j++)
+                       {
+                               if (strings[i] == templates[j]->m_description)
+                                       data[i] = templates[j];
+                       }
+               }
+       }
+
+    wxDocTemplate *theTemplate;
+
+    switch ( n )
+    {
+        case 0:
+            // no visible templates, hence nothing to choose from
+            theTemplate = NULL;
+            break;
+
+        case 1:
+            // don't propose the user to choose if he heas no choice
+            theTemplate = data[0];
+            break;
+
+        default:
+            // propose the user to choose one of several
+            theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
+                          (
+                            _("Select a document template"),
+                            _("Templates"),
+                            strings,
+                            (void **)data,
+                            wxFindSuitableParent()
+                          );
     }
 
-    wxDocTemplate *theTemplate = (wxDocTemplate *)wxGetSingleChoiceData(_("Select a document template"), _("Templates"), n,
-            strings, (char **)data);
-    delete[] strings;
     delete[] data;
+
     return theTemplate;
 }
 
 wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
-        int noTemplates)
+                                            int noTemplates, bool sort)
 {
-    wxChar **strings = new wxChar *[noTemplates];
-    wxChar **data = new wxChar *[noTemplates];
+    wxArrayString strings(sort);
+    wxDocTemplate **data = new wxDocTemplate *[noTemplates];
     int i;
     int n = 0;
     for (i = 0; i < noTemplates; i++)
     {
-        if (templates[i]->IsVisible() && (templates[i]->GetViewName() != _T("")))
+        wxDocTemplate *templ = templates[i];
+        if ( templ->IsVisible() && !templ->GetViewName().empty() )
         {
-            strings[n] = WXSTRINGCAST templates[i]->m_viewTypeName;
-            data[n] = (wxChar *)templates[i];
-            n ++;
+            strings.Add(templ->m_viewTypeName);
+                       if (!sort)
+                       {
+                               data[n] = templ;
+                               n ++;
+                       }
         }
     }
-    wxDocTemplate *theTemplate = (wxDocTemplate *)wxGetSingleChoiceData(_("Select a document view"), _("Views"), n,
-            strings, (char **)data);
-    delete[] strings;
+
+       if (sort)
+       {
+               // Yes, this will be slow, but template lists
+               // are typically short.
+               int j;
+               n = strings.Count();
+               for (i = 0; i < n; i++)
+               {
+                       for (j = 0; j < noTemplates; j++)
+                       {
+                               if (strings[i] == templates[j]->m_viewTypeName)
+                                       data[i] = templates[j];
+                       }
+               }
+       }
+
+    wxDocTemplate *theTemplate;
+
+    // the same logic as above
+    switch ( n )
+    {
+        case 0:
+            theTemplate = (wxDocTemplate *)NULL;
+            break;
+
+        case 1:
+            theTemplate = data[0];
+            break;
+
+        default:
+            theTemplate = (wxDocTemplate *)wxGetSingleChoiceData
+                          (
+                            _("Select a document view"),
+                            _("Views"),
+                            strings,
+                            (void **)data,
+                            wxFindSuitableParent()
+                          );
+
+    }
+
     delete[] data;
     return theTemplate;
 }
@@ -1485,9 +1725,26 @@ void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 
 void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
 {
-    wxString f(m_docManager->GetHistoryFile(event.GetSelection() - wxID_FILE1));
-    if (f != _T(""))
-        (void)m_docManager->CreateDocument(f, wxDOC_SILENT);
+    int n = event.GetId() - wxID_FILE1;  // the index in MRU list
+    wxString filename(m_docManager->GetHistoryFile(n));
+    if ( !filename.IsEmpty() )
+    {
+        // verify that the file exists before doing anything else
+        if ( wxFile::Exists(filename) )
+        {
+            // try to open it
+            (void)m_docManager->CreateDocument(filename, wxDOC_SILENT);
+        }
+        else
+        {
+            // remove the bogus filename from the MRU list and notify the user
+            // about it
+            m_docManager->RemoveFileFromHistory(n);
+
+            wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\nIt has been removed from the most recently used files list."),
+                       filename.c_str());
+        }
+    }
 }
 
 // Extend event processing to search the view's event table
@@ -1515,7 +1772,7 @@ void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event)
 #if wxUSE_PRINTING_ARCHITECTURE
 
 wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
-             : wxPrintout(WXSTRINGCAST title)
+             : wxPrintout(title)
 {
     m_printoutView = view;
 }
@@ -1579,222 +1836,6 @@ void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, in
 
 #endif // wxUSE_PRINTING_ARCHITECTURE
 
-// ----------------------------------------------------------------------------
-// Command processing framework
-// ----------------------------------------------------------------------------
-
-wxCommand::wxCommand(bool canUndoIt, const wxString& name)
-{
-    m_canUndo = canUndoIt;
-    m_commandName = name;
-}
-
-wxCommand::~wxCommand()
-{
-}
-
-// Command processor
-wxCommandProcessor::wxCommandProcessor(int maxCommands)
-{
-    m_maxNoCommands = maxCommands;
-    m_currentCommand = (wxNode *) NULL;
-    m_commandEditMenu = (wxMenu *) NULL;
-}
-
-wxCommandProcessor::~wxCommandProcessor()
-{
-    ClearCommands();
-}
-
-// Pass a command to the processor. The processor calls Do();
-// if successful, is appended to the command history unless
-// storeIt is FALSE.
-bool wxCommandProcessor::Submit(wxCommand *command, bool storeIt)
-{
-    bool success = command->Do();
-    if (success && storeIt)
-    {
-        if (m_commands.Number() == m_maxNoCommands)
-        {
-            wxNode *firstNode = m_commands.First();
-            wxCommand *firstCommand = (wxCommand *)firstNode->Data();
-            delete firstCommand;
-            delete firstNode;
-        }
-
-        // Correct a bug: we must chop off the current 'branch'
-        // so that we're at the end of the command list.
-        if (!m_currentCommand)
-            ClearCommands();
-        else
-        {
-            wxNode *node = m_currentCommand->Next();
-            while (node)
-            {
-                wxNode *next = node->Next();
-                delete (wxCommand *)node->Data();
-                delete node;
-                node = next;
-            }
-        }
-
-        m_commands.Append(command);
-        m_currentCommand = m_commands.Last();
-        SetMenuStrings();
-    }
-    return success;
-}
-
-bool wxCommandProcessor::Undo()
-{
-    if (m_currentCommand)
-    {
-        wxCommand *command = (wxCommand *)m_currentCommand->Data();
-        if (command->CanUndo())
-        {
-            bool success = command->Undo();
-            if (success)
-            {
-                m_currentCommand = m_currentCommand->Previous();
-                SetMenuStrings();
-                return TRUE;
-            }
-        }
-    }
-    return FALSE;
-}
-
-bool wxCommandProcessor::Redo()
-{
-    wxCommand *redoCommand = (wxCommand *) NULL;
-    wxNode *redoNode = (wxNode *) NULL;
-    if (m_currentCommand && m_currentCommand->Next())
-    {
-        redoCommand = (wxCommand *)m_currentCommand->Next()->Data();
-        redoNode = m_currentCommand->Next();
-    }
-    else
-    {
-        if (m_commands.Number() > 0)
-        {
-            redoCommand = (wxCommand *)m_commands.First()->Data();
-            redoNode = m_commands.First();
-        }
-    }
-
-    if (redoCommand)
-    {
-        bool success = redoCommand->Do();
-        if (success)
-        {
-            m_currentCommand = redoNode;
-            SetMenuStrings();
-            return TRUE;
-        }
-    }
-    return FALSE;
-}
-
-bool wxCommandProcessor::CanUndo() const
-{
-    if (m_currentCommand)
-        return ((wxCommand *)m_currentCommand->Data())->CanUndo();
-    return FALSE;
-}
-
-bool wxCommandProcessor::CanRedo() const
-{
-    if ((m_currentCommand != (wxNode*) NULL) && (m_currentCommand->Next() == (wxNode*) NULL))
-        return FALSE;
-
-    if ((m_currentCommand != (wxNode*) NULL) && (m_currentCommand->Next() != (wxNode*) NULL))
-        return TRUE;
-
-    if ((m_currentCommand == (wxNode*) NULL) && (m_commands.Number() > 0))
-        return TRUE;
-
-    return FALSE;
-}
-
-void wxCommandProcessor::Initialize()
-{
-    m_currentCommand = m_commands.Last();
-    SetMenuStrings();
-}
-
-void wxCommandProcessor::SetMenuStrings()
-{
-    if (m_commandEditMenu)
-    {
-        wxString buf;
-        if (m_currentCommand)
-        {
-            wxCommand *command = (wxCommand *)m_currentCommand->Data();
-            wxString commandName(command->GetName());
-            if (commandName == _T("")) commandName = _("Unnamed command");
-            bool canUndo = command->CanUndo();
-            if (canUndo)
-                buf = wxString(_("&Undo ")) + commandName;
-            else
-                buf = wxString(_("Can't &Undo ")) + commandName;
-
-            m_commandEditMenu->SetLabel(wxID_UNDO, buf);
-            m_commandEditMenu->Enable(wxID_UNDO, canUndo);
-
-            // We can redo, if we're not at the end of the history.
-            if (m_currentCommand->Next())
-            {
-                wxCommand *redoCommand = (wxCommand *)m_currentCommand->Next()->Data();
-                wxString redoCommandName(redoCommand->GetName());
-                if (redoCommandName == _T("")) redoCommandName = _("Unnamed command");
-                buf = wxString(_("&Redo ")) + redoCommandName;
-                m_commandEditMenu->SetLabel(wxID_REDO, buf);
-                m_commandEditMenu->Enable(wxID_REDO, TRUE);
-            }
-            else
-            {
-                m_commandEditMenu->SetLabel(wxID_REDO, _("&Redo"));
-                m_commandEditMenu->Enable(wxID_REDO, FALSE);
-            }
-        }
-        else
-        {
-            m_commandEditMenu->SetLabel(wxID_UNDO, _("&Undo"));
-            m_commandEditMenu->Enable(wxID_UNDO, FALSE);
-
-            if (m_commands.Number() == 0)
-            {
-                m_commandEditMenu->SetLabel(wxID_REDO, _("&Redo"));
-                m_commandEditMenu->Enable(wxID_REDO, FALSE);
-            }
-            else
-            {
-                // currentCommand is NULL but there are commands: this means that
-                // we've undone to the start of the list, but can redo the first.
-                wxCommand *redoCommand = (wxCommand *)m_commands.First()->Data();
-                wxString redoCommandName(redoCommand->GetName());
-                if (redoCommandName == _T("")) redoCommandName = _("Unnamed command");
-                buf = wxString(_("&Redo ")) + redoCommandName;
-                m_commandEditMenu->SetLabel(wxID_REDO, buf);
-                m_commandEditMenu->Enable(wxID_REDO, TRUE);
-            }
-        }
-    }
-}
-
-void wxCommandProcessor::ClearCommands()
-{
-    wxNode *node = m_commands.First();
-    while (node)
-    {
-        wxCommand *command = (wxCommand *)node->Data();
-        delete command;
-        delete node;
-        node = m_commands.First();
-    }
-    m_currentCommand = (wxNode *) NULL;
-}
-
 // ----------------------------------------------------------------------------
 // File history processor
 // ----------------------------------------------------------------------------
@@ -1818,22 +1859,29 @@ wxFileHistory::~wxFileHistory()
 void wxFileHistory::AddFileToHistory(const wxString& file)
 {
     int i;
+
     // Check we don't already have this file
     for (i = 0; i < m_fileHistoryN; i++)
     {
-        if (m_fileHistory[i] && wxString(m_fileHistory[i]) == file)
+        if ( m_fileHistory[i] && (file == m_fileHistory[i]) )
+        {
+            // we do have it, move it to the top of the history
+            RemoveFileFromHistory (i);
+            AddFileToHistory (file);
             return;
+        }
     }
 
-    // Add to the project file history:
-    // Move existing files (if any) down so we can insert file at beginning.
-
-    // First delete filename that has popped off the end of the array (if any)
-    if (m_fileHistoryN == m_fileMaxFiles)
+    // if we already have a full history, delete the one at the end
+    if ( m_fileMaxFiles == m_fileHistoryN )
     {
-        delete[] m_fileHistory[m_fileMaxFiles-1];
-        m_fileHistory[m_fileMaxFiles-1] = (wxChar *) NULL;
+        RemoveFileFromHistory (m_fileHistoryN - 1);
+        AddFileToHistory (file);
+        return;
     }
+
+    // Add to the project file history:
+    // Move existing files (if any) down so we can insert file at beginning.
     if (m_fileHistoryN < m_fileMaxFiles)
     {
         wxNode* node = m_fileMenus.First();
@@ -1854,27 +1902,109 @@ void wxFileHistory::AddFileToHistory(const wxString& file)
     }
     m_fileHistory[0] = copystring(file);
 
+    // this is the directory of the last opened file
+    wxString pathCurrent;
+    wxSplitPath( m_fileHistory[0], &pathCurrent, NULL, NULL );
     for (i = 0; i < m_fileHistoryN; i++)
-        if (m_fileHistory[i])
+    {
+        if ( m_fileHistory[i] )
         {
+            // if in same directory just show the filename; otherwise the full
+            // path
+            wxString pathInMenu, path, filename, ext;
+            wxSplitPath( m_fileHistory[i], &path, &filename, &ext );
+            if ( path == pathCurrent )
+            {
+                pathInMenu = filename;
+                if ( !ext.empty() )
+                    pathInMenu = pathInMenu + wxFILE_SEP_EXT + ext;
+            }
+            else
+            {
+                // absolute path; could also set relative path
+                pathInMenu = m_fileHistory[i];
+            }
+
             wxString buf;
-            buf.Printf(_T("&%d %s"), i+1, m_fileHistory[i]);
+            buf.Printf(s_MRUEntryFormat, i + 1, pathInMenu.c_str());
             wxNode* node = m_fileMenus.First();
             while (node)
             {
                 wxMenu* menu = (wxMenu*) node->Data();
-                menu->SetLabel(wxID_FILE1+i, buf);
+                menu->SetLabel(wxID_FILE1 + i, buf);
                 node = node->Next();
             }
         }
+    }
+}
+
+void wxFileHistory::RemoveFileFromHistory(int i)
+{
+    wxCHECK_RET( i < m_fileHistoryN,
+                 wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
+
+        // delete the element from the array (could use memmove() too...)
+        delete [] m_fileHistory[i];
+
+        int j;
+        for ( j = i; j < m_fileHistoryN - 1; j++ )
+        {
+            m_fileHistory[j] = m_fileHistory[j + 1];
+        }
+
+    wxNode* node = m_fileMenus.First();
+    while ( node )
+    {
+        wxMenu* menu = (wxMenu*) node->Data();
+
+
+        // shuffle filenames up
+        wxString buf;
+        for ( j = i; j < m_fileHistoryN - 1; j++ )
+        {
+            buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j]);
+            menu->SetLabel(wxID_FILE1 + j, buf);
+        }
+
+        node = node->Next();
+
+        // delete the last menu item which is unused now
+        if (menu->FindItem(wxID_FILE1 + m_fileHistoryN - 1))
+        menu->Delete(wxID_FILE1 + m_fileHistoryN - 1);
+
+        // delete the last separator too if no more files are left
+        if ( m_fileHistoryN == 1 )
+        {
+            wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
+            if ( node )
+            {
+                wxMenuItem *menuItem = node->GetData();
+                if ( menuItem->IsSeparator() )
+                {
+                    menu->Delete(menuItem);
+                }
+                //else: should we search backwards for the last separator?
+            }
+            //else: menu is empty somehow
+        }
+    }
+
+    m_fileHistoryN--;
 }
 
 wxString wxFileHistory::GetHistoryFile(int i) const
 {
-    if (i < m_fileHistoryN)
-        return wxString(m_fileHistory[i]);
+    wxString s;
+    if ( i < m_fileHistoryN )
+    {
+        s = m_fileHistory[i];
+    }
     else
-        return wxString("");
+    {
+        wxFAIL_MSG( wxT("bad index in wxFileHistory::GetHistoryFile") );
+    }
+
+    return s;
 }
 
 void wxFileHistory::UseMenu(wxMenu *menu)
@@ -1893,14 +2023,14 @@ void wxFileHistory::Load(wxConfigBase& config)
 {
     m_fileHistoryN = 0;
     wxString buf;
-    buf.Printf(_T("file%d"), m_fileHistoryN+1);
+    buf.Printf(wxT("file%d"), m_fileHistoryN+1);
     wxString historyFile;
-    while ((m_fileHistoryN <= m_fileMaxFiles) && config.Read(buf, &historyFile) && (historyFile != _T("")))
+    while ((m_fileHistoryN <= m_fileMaxFiles) && config.Read(buf, &historyFile) && (historyFile != wxT("")))
     {
         m_fileHistory[m_fileHistoryN] = copystring((const wxChar*) historyFile);
         m_fileHistoryN ++;
-        buf.Printf(_T("file%d"), m_fileHistoryN+1);
-        historyFile = "";
+        buf.Printf(wxT("file%d"), m_fileHistoryN+1);
+        historyFile = wxT("");
     }
     AddFilesToMenu();
 }
@@ -1911,7 +2041,7 @@ void wxFileHistory::Save(wxConfigBase& config)
     for (i = 0; i < m_fileHistoryN; i++)
     {
         wxString buf;
-        buf.Printf(_T("file%d"), i+1);
+        buf.Printf(wxT("file%d"), i+1);
         config.Write(buf, wxString(m_fileHistory[i]));
     }
 }
@@ -1932,7 +2062,7 @@ void wxFileHistory::AddFilesToMenu()
                 if (m_fileHistory[i])
                 {
                     wxString buf;
-                    buf.Printf(_T("&%d %s"), i+1, m_fileHistory[i]);
+                    buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
                     menu->Append(wxID_FILE1+i, buf);
                 }
             }
@@ -1952,7 +2082,7 @@ void wxFileHistory::AddFilesToMenu(wxMenu* menu)
             if (m_fileHistory[i])
             {
                 wxString buf;
-                buf.Printf(_T("&%d %s"), i+1, m_fileHistory[i]);
+                buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
                 menu->Append(wxID_FILE1+i, buf);
             }
         }
@@ -1965,12 +2095,12 @@ void wxFileHistory::AddFilesToMenu(wxMenu* menu)
 // ----------------------------------------------------------------------------
 
 #if wxUSE_STD_IOSTREAM
-bool wxTransferFileToStream(const wxString& filename, ostream& stream)
+bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
 {
     FILE *fd1;
     int ch;
 
-    if ((fd1 = fopen (filename.fn_str(), "rb")) == NULL)
+    if ((fd1 = wxFopen (filename.fn_str(), _T("rb"))) == NULL)
         return FALSE;
 
     while ((ch = getc (fd1)) != EOF)
@@ -1980,12 +2110,12 @@ bool wxTransferFileToStream(const wxString& filename, ostream& stream)
     return TRUE;
 }
 
-bool wxTransferStreamToFile(istream& stream, const wxString& filename)
+bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
 {
     FILE *fd1;
     int ch;
 
-    if ((fd1 = fopen (filename.fn_str(), "wb")) == NULL)
+    if ((fd1 = wxFopen (filename.fn_str(), _T("wb"))) == NULL)
     {
         return FALSE;
     }
@@ -1999,6 +2129,42 @@ bool wxTransferStreamToFile(istream& stream, const wxString& filename)
     fclose (fd1);
     return TRUE;
 }
+#else
+bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
+{
+    FILE *fd1;
+    int ch;
+
+    if ((fd1 = wxFopen (filename, wxT("rb"))) == NULL)
+        return FALSE;
+
+    while ((ch = getc (fd1)) != EOF)
+        stream.PutC((char) ch);
+
+    fclose (fd1);
+    return TRUE;
+}
+
+bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
+{
+    FILE *fd1;
+    char ch;
+
+    if ((fd1 = wxFopen (filename, wxT("wb"))) == NULL)
+    {
+        return FALSE;
+    }
+
+    int len = stream.StreamSize();
+    // TODO: is this the correct test for EOF?
+    while (stream.TellI() < (len - 1))
+    {
+        ch = stream.GetC();
+        putc (ch, fd1);
+    }
+    fclose (fd1);
+    return TRUE;
+}
 #endif
 
 #endif // wxUSE_DOC_VIEW_ARCHITECTURE