Remove unnecessary comparison of unsigned variable with 0.

[wxWidgets.git] / src / common / docview.cpp

diff --git a/src/common/docview.cpp b/src/common/docview.cpp
index 8936703547ed352023056a6bc10d4d5bdf29867d..6e1ef4c162a87ba5abb2062a4ec9ba1c0fcf1cd3 100644 (file)
--- a/src/common/docview.cpp
+++ b/src/common/docview.cpp
@@ -233,6 +233,18 @@ wxView *wxDocument::GetFirstView() const
     return static_cast<wxView *>(m_documentViews.GetFirst()->GetData());
 }
 
+void wxDocument::Modify(bool mod)
+{
+    if (mod != m_documentModified)
+    {
+        m_documentModified = mod;
+
+        // Allow views to append asterix to the title
+        wxView* view = GetFirstView();
+        if (view) view->OnChangeFilename();
+    }
+}
+
 wxDocManager *wxDocument::GetDocumentManager() const
 {
     return m_documentTemplate ? m_documentTemplate->GetDocumentManager() : NULL;
@@ -327,15 +339,6 @@ bool wxDocument::SaveAs()
     if (fileName.empty())
         return false; // cancelled by user
 
-    wxString ext;
-    wxFileName::SplitPath(fileName, NULL, NULL, &ext);
-
-    if (ext.empty())
-    {
-        fileName += wxT(".");
-        fileName += docTemplate->GetDefaultExtension();
-    }
-
     // Files that were not saved correctly are not added to the FileHistory.
     if (!OnSaveDocument(fileName))
         return false;
@@ -343,16 +346,16 @@ bool wxDocument::SaveAs()
     SetTitle(wxFileNameFromPath(fileName));
     SetFilename(fileName, true);    // will call OnChangeFileName automatically
 
-   // A file that doesn't use the default extension of its document template
-   // cannot be opened via the FileHistory, so we do not add it.
-   if (docTemplate->FileMatchesTemplate(fileName))
-   {
-       GetDocumentManager()->AddFileToHistory(fileName);
-   }
-   //else: the user will probably not be able to open the file again, so we
-   //      could warn about the wrong file-extension here
+    // A file that doesn't use the default extension of its document template
+    // cannot be opened via the FileHistory, so we do not add it.
+    if (docTemplate->FileMatchesTemplate(fileName))
+    {
+        GetDocumentManager()->AddFileToHistory(fileName);
+    }
+    //else: the user will probably not be able to open the file again, so we
+    //      could warn about the wrong file-extension here
 
-   return true;
+    return true;
 }
 
 bool wxDocument::OnSaveDocument(const wxString& file)
@@ -648,7 +651,8 @@ wxView::wxView()
 
 wxView::~wxView()
 {
-    GetDocumentManager()->ActivateView(this, false);
+    if (m_viewDocument && GetDocumentManager())
+        GetDocumentManager()->ActivateView(this, false);
 
     // reset our frame view first, before removing it from the document as
     // SetView(NULL) is a simple call while RemoveView() may result in user
@@ -713,7 +717,12 @@ void wxView::OnChangeFilename()
     wxDocument *doc = GetDocument();
     if (!doc) return;
 
-    win->SetLabel(doc->GetUserReadableName());
+    wxString label = doc->GetUserReadableName();
+    if (doc->IsModified())
+    {
+       label += "*";
+    }
+    win->SetLabel(label);
 }
 
 void wxView::SetDocument(wxDocument *doc)
@@ -899,8 +908,6 @@ wxDocManager* wxDocManager::sm_docManager = NULL;
 
 wxDocManager::wxDocManager(long WXUNUSED(flags), bool initialize)
 {
-    wxASSERT_MSG( !sm_docManager, "multiple wxDocManagers not allowed" );
-
     sm_docManager = this;
 
     m_defaultDocumentNameCounter = 1;
@@ -991,9 +998,9 @@ wxString wxDocManager::GetLastDirectory() const
         // this ensures that if the user opens a file, closes the program and
         // runs it again the "Open file" dialog will open in the directory of
         // the last file he used
-        wxString lastOpened = GetHistoryFile(0);
-        if ( !lastOpened.empty() )
+        if ( m_fileHistory && m_fileHistory->GetCount() )
         {
+            const wxString lastOpened = m_fileHistory->GetHistoryFile(0);
             const wxFileName fn(lastOpened);
             if ( fn.DirExists() )
             {
@@ -1001,6 +1008,7 @@ wxString wxDocManager::GetLastDirectory() const
             }
             //else: should we try the next one?
         }
+        //else: no history yet
 
         // if we don't have any files in the history (yet?), use the
         // system-dependent default location for the document files
@@ -1094,6 +1102,7 @@ void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
 void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
 {
 #if wxUSE_PRINTING_ARCHITECTURE
+    wxBusyCursor busy;
     wxView *view = GetActiveView();
     if (!view)
         return;
@@ -2235,7 +2244,11 @@ void wxFileHistory::AddFilesToMenu(wxMenu* menu)
 
 bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
 {
+#if wxUSE_FFILE
     wxFFile file(filename, wxT("rb"));
+#elif wxUSE_FILE
+    wxFile file(filename, wxFile::read);
+#endif
     if ( !file.IsOpened() )
         return false;
 
@@ -2259,7 +2272,11 @@ bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
 
 bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
 {
+#if wxUSE_FFILE
     wxFFile file(filename, wxT("wb"));
+#elif wxUSE_FILE
+    wxFile file(filename, wxFile::write);
+#endif
     if ( !file.IsOpened() )
         return false;
 
@@ -2282,7 +2299,11 @@ bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
 
 bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
 {
+#if wxUSE_FFILE
     wxFFile file(filename, wxT("rb"));
+#elif wxUSE_FILE
+    wxFile file(filename, wxFile::read);
+#endif
     if ( !file.IsOpened() )
         return false;
 
@@ -2306,7 +2327,11 @@ bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
 
 bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
 {
+#if wxUSE_FFILE
     wxFFile file(filename, wxT("wb"));
+#elif wxUSE_FILE
+    wxFile file(filename, wxFile::write);
+#endif
     if ( !file.IsOpened() )
         return false;