Don't crash on malformed HTML in wxHTML font tag handler.

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

diff --git a/src/common/docview.cpp b/src/common/docview.cpp
index fa23123c8df49729d538e4e913619e93ed9b1e8e..86d1783490db08f66d384bde644ce2ca7aae9da0 100644 (file)
--- a/src/common/docview.cpp
+++ b/src/common/docview.cpp
@@ -884,6 +884,11 @@ BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler)
     EVT_MENU(wxID_UNDO, wxDocManager::OnUndo)
     EVT_MENU(wxID_REDO, wxDocManager::OnRedo)
 
+    // We don't know in advance how many items can there be in the MRU files
+    // list so set up OnMRUFile() as a handler for all menu events and do the
+    // check for the id of the menu item clicked inside it.
+    EVT_MENU(wxID_ANY, wxDocManager::OnMRUFile)
+
     EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen)
     EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateDisableIfNoDoc)
     EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateDisableIfNoDoc)
@@ -901,7 +906,8 @@ BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler)
 
     EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdateDisableIfNoDoc)
     EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdateDisableIfNoDoc)
-    EVT_UPDATE_UI(wxID_PRINT_SETUP, wxDocManager::OnUpdateDisableIfNoDoc)
+    // NB: we keep "Print setup" menu item always enabled as it can be used
+    //     even without an active document
 #endif // wxUSE_PRINTING_ARCHITECTURE
 END_EVENT_TABLE()
 
@@ -1030,14 +1036,8 @@ wxFileHistory *wxDocManager::OnCreateFileHistory()
 void wxDocManager::OnFileClose(wxCommandEvent& WXUNUSED(event))
 {
     wxDocument *doc = GetCurrentDocument();
-    if (!doc)
-        return;
-    if (doc->Close())
-    {
-        doc->DeleteAllViews();
-        if (m_docs.Member(doc))
-            delete doc;
-    }
+    if (doc)
+        CloseDocument(doc);
 }
 
 void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event))
@@ -1082,6 +1082,53 @@ void wxDocManager::OnFileSaveAs(wxCommandEvent& WXUNUSED(event))
     doc->SaveAs();
 }
 
+void wxDocManager::OnMRUFile(wxCommandEvent& event)
+{
+    // Check if the id is in the range assigned to MRU list entries.
+    const int id = event.GetId();
+    if ( id >= wxID_FILE1 &&
+            id < wxID_FILE1 + static_cast<int>(m_fileHistory->GetCount()) )
+    {
+        DoOpenMRUFile(id - wxID_FILE1);
+    }
+    else
+    {
+        event.Skip();
+    }
+}
+
+void wxDocManager::DoOpenMRUFile(unsigned n)
+{
+    wxString filename(GetHistoryFile(n));
+    if ( filename.empty() )
+        return;
+
+    wxString errMsg; // must contain exactly one "%s" if non-empty
+    if ( wxFile::Exists(filename) )
+    {
+        // try to open it
+        if ( CreateDocument(filename, wxDOC_SILENT) )
+            return;
+
+        errMsg = _("The file '%s' couldn't be opened.");
+    }
+    else // file doesn't exist
+    {
+        errMsg = _("The file '%s' doesn't exist and couldn't be opened.");
+    }
+
+
+    wxASSERT_MSG( !errMsg.empty(), "should have an error message" );
+
+    // remove the file which we can't open from the MRU list
+    RemoveFileFromHistory(n);
+
+    // and tell the user about it
+    wxLogError(errMsg + '\n' +
+               _("It has been removed from the most recently used files list."),
+               filename);
+}
+
 #if wxUSE_PRINTING_ARCHITECTURE
 
 void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
@@ -1295,6 +1342,17 @@ wxDocTemplates GetVisibleTemplates(const wxList& allTemplates)
 
 } // anonymous namespace
 
+void wxDocManager::ActivateDocument(wxDocument *doc)
+{
+    wxView * const view = doc->GetFirstView();
+    if ( !view )
+        return;
+
+    view->Activate(true);
+    if ( wxWindow *win = view->GetFrame() )
+        win->SetFocus();
+}
+
 wxDocument *wxDocManager::CreateDocument(const wxString& pathOrig, long flags)
 {
     // this ought to be const but SelectDocumentType/Path() are not
@@ -1349,13 +1407,8 @@ wxDocument *wxDocManager::CreateDocument(const wxString& pathOrig, long flags)
             if ( fn == doc->GetFilename() )
             {
                 // file already open, just activate it and return
-                if ( doc->GetFirstView() )
-                {
-                    ActivateView(doc->GetFirstView());
-                    if ( doc->GetDocumentWindow() )
-                        doc->GetDocumentWindow()->SetFocus();
-                    return doc;
-                }
+                ActivateDocument(doc);
+                return doc;
             }
         }
     }
@@ -1402,6 +1455,11 @@ wxDocument *wxDocManager::CreateDocument(const wxString& pathOrig, long flags)
     if ( !(flags & wxDOC_NEW) && temp->FileMatchesTemplate(path) )
         AddFileToHistory(path);
 
+    // at least under Mac (where views are top level windows) it seems to be
+    // necessary to manually activate the new document to bring it to the
+    // forefront -- and it shouldn't hurt doing this under the other platforms
+    ActivateDocument(docNew);
+
     return docNew;
 }
 
@@ -1836,6 +1894,20 @@ void wxDocManager::DisassociateTemplate(wxDocTemplate *temp)
     m_templates.DeleteObject(temp);
 }
 
+wxDocTemplate* wxDocManager::FindTemplate(const wxClassInfo* classinfo)
+{
+   for ( wxList::compatibility_iterator node = m_templates.GetFirst();
+         node;
+         node = node->GetNext() )
+   {
+      wxDocTemplate* t = wxStaticCast(node->GetData(), wxDocTemplate);
+      if ( t->GetDocClassInfo() == classinfo )
+         return t;
+   }
+
+   return NULL;
+}
+
 // Add and remove a document from the manager's list
 void wxDocManager::AddDocument(wxDocument *doc)
 {
@@ -1890,8 +1962,7 @@ bool wxDocChildFrameAnyBase::CloseView(wxCloseEvent& event)
         // deleted directly not by us as indicated by its doc child frame
         // pointer still being set
         m_childView->SetDocChildFrame(NULL);
-        delete m_childView;
-        m_childView = NULL;
+        wxDELETE(m_childView);
     }
 
     m_childDocument = NULL;
@@ -1903,38 +1974,6 @@ bool wxDocChildFrameAnyBase::CloseView(wxCloseEvent& event)
 // wxDocParentFrameAnyBase
 // ----------------------------------------------------------------------------
 
-void wxDocParentFrameAnyBase::DoOpenMRUFile(unsigned n)
-{
-    wxString filename(m_docManager->GetHistoryFile(n));
-    if ( filename.empty() )
-        return;
-
-    wxString errMsg; // must contain exactly one "%s" if non-empty
-    if ( wxFile::Exists(filename) )
-    {
-        // try to open it
-        if ( m_docManager->CreateDocument(filename, wxDOC_SILENT) )
-            return;
-
-        errMsg = _("The file '%s' couldn't be opened.");
-    }
-    else // file doesn't exist
-    {
-        errMsg = _("The file '%s' doesn't exist and couldn't be opened.");
-    }
-
-
-    wxASSERT_MSG( !errMsg.empty(), "should have an error message" );
-
-    // remove the file which we can't open from the MRU list
-    m_docManager->RemoveFileFromHistory(n);
-
-    // and tell the user about it
-    wxLogError(errMsg + '\n' +
-               _("It has been removed from the most recently used files list."),
-               filename);
-}
-
 #if wxUSE_PRINTING_ARCHITECTURE
 
 wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)