Moved the cleanup code to an EVT_WINDOW_DESTROY handler.

[wxWidgets.git] / samples / docview / doc.cpp

diff --git a/samples/docview/doc.cpp b/samples/docview/doc.cpp
index d679a53221aeec3243e4db7fd410e4fe9e1ccfb9..da03ec3214db5097b8a53c8338ab1ee48c90bd2c 100644 (file)
--- a/samples/docview/doc.cpp
+++ b/samples/docview/doc.cpp
@@ -6,7 +6,7 @@
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Markus Holzem
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Markus Holzem

-// Licence:    wxWindows license
+// Licence:     wxWindows license

 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__


@@ -40,88 +40,88 @@ DrawingDocument::DrawingDocument(void)
 
 DrawingDocument::~DrawingDocument(void)
 {
 
 DrawingDocument::~DrawingDocument(void)
 {

-  doodleSegments.DeleteContents(TRUE);
+    doodleSegments.DeleteContents(TRUE);

 }
 
 #if wxUSE_STD_IOSTREAM
 }
 
 #if wxUSE_STD_IOSTREAM

-ostream& DrawingDocument::SaveObject(ostream& stream)
+wxSTD ostream& DrawingDocument::SaveObject(wxSTD ostream& stream)

 {
 {

-  wxDocument::SaveObject(stream);
-  
-  wxInt32 n = doodleSegments.Number();
-  stream << n << '\n';
-  
-  wxNode *node = doodleSegments.First();
-  while (node)
-  {
-    DoodleSegment *segment = (DoodleSegment *)node->Data();
-    segment->SaveObject(stream);
-    stream << '\n';
+    wxDocument::SaveObject(stream);

     
     

-    node = node->Next();
-  }
-  
-  return stream;
+    wxInt32 n = doodleSegments.Number();
+    stream << n << '\n';
+    
+    wxNode *node = doodleSegments.First();
+    while (node)
+    {
+        DoodleSegment *segment = (DoodleSegment *)node->Data();
+        segment->SaveObject(stream);
+        stream << '\n';
+        
+        node = node->Next();
+    }
+    
+    return stream;

 }
 #else
 wxOutputStream& DrawingDocument::SaveObject(wxOutputStream& stream)
 {
 }
 #else
 wxOutputStream& DrawingDocument::SaveObject(wxOutputStream& stream)
 {

-  wxDocument::SaveObject(stream);
-
-  wxTextOutputStream text_stream( stream );
-
-  wxInt32 n = doodleSegments.Number();
-  text_stream << n << '\n';
-  
-  wxNode *node = doodleSegments.First();
-  while (node)
-  {
-    DoodleSegment *segment = (DoodleSegment *)node->Data();
-    segment->SaveObject(stream);
-    text_stream << '\n';
+    wxDocument::SaveObject(stream);
+    
+    wxTextOutputStream text_stream( stream );
+    
+    wxInt32 n = doodleSegments.Number();
+    text_stream << n << '\n';
+    
+    wxNode *node = doodleSegments.First();
+    while (node)
+    {
+        DoodleSegment *segment = (DoodleSegment *)node->Data();
+        segment->SaveObject(stream);
+        text_stream << '\n';
+        
+        node = node->Next();
+    }

     
     

-    node = node->Next();
-  }
-  
-  return stream;
+    return stream;

 }
 #endif
 
 #if wxUSE_STD_IOSTREAM
 }
 #endif
 
 #if wxUSE_STD_IOSTREAM

-istream& DrawingDocument::LoadObject(istream& stream)
+wxSTD istream& DrawingDocument::LoadObject(wxSTD istream& stream)

 {
 {

-  wxDocument::LoadObject(stream);
-  
-  wxInt32 n = 0;
-  stream >> n;
-
-  for (int i = 0; i < n; i++)
-  {
-    DoodleSegment *segment = new DoodleSegment;
-    segment->LoadObject(stream);
-    doodleSegments.Append(segment);
-  }
-
-  return stream;
+    wxDocument::LoadObject(stream);
+    
+    wxInt32 n = 0;
+    stream >> n;
+    
+    for (int i = 0; i < n; i++)
+    {
+        DoodleSegment *segment = new DoodleSegment;
+        segment->LoadObject(stream);
+        doodleSegments.Append(segment);
+    }
+    
+    return stream;

 }
 #else
 wxInputStream& DrawingDocument::LoadObject(wxInputStream& stream)
 {
 }
 #else
 wxInputStream& DrawingDocument::LoadObject(wxInputStream& stream)
 {

-  wxDocument::LoadObject(stream);
-
-  wxTextInputStream text_stream( stream );
-
-  wxInt32 n = 0;
-  text_stream >> n;
-
-  for (int i = 0; i < n; i++)
-  {
-    DoodleSegment *segment = new DoodleSegment;
-    segment->LoadObject(stream);
-    doodleSegments.Append(segment);
-  }
-
-  return stream;
+    wxDocument::LoadObject(stream);
+    
+    wxTextInputStream text_stream( stream );
+    
+    wxInt32 n = 0;
+    text_stream >> n;
+    
+    for (int i = 0; i < n; i++)
+    {
+        DoodleSegment *segment = new DoodleSegment;
+        segment->LoadObject(stream);
+        doodleSegments.Append(segment);
+    }
+    
+    return stream;

 }
 #endif
 
 }
 #endif
 


@@ -131,204 +131,204 @@ DoodleSegment::DoodleSegment(void)
 
 DoodleSegment::DoodleSegment(DoodleSegment& seg)
 {
 
 DoodleSegment::DoodleSegment(DoodleSegment& seg)
 {

-  wxNode *node = seg.lines.First();
-  while (node)
-  {
-    DoodleLine *line = (DoodleLine *)node->Data();
-    DoodleLine *newLine = new DoodleLine;
-    newLine->x1 = line->x1;
-    newLine->y1 = line->y1;
-    newLine->x2 = line->x2;
-    newLine->y2 = line->y2;
-
-    lines.Append(newLine);
-
-    node = node->Next();
-  }
+    wxNode *node = seg.lines.First();
+    while (node)
+    {
+        DoodleLine *line = (DoodleLine *)node->Data();
+        DoodleLine *newLine = new DoodleLine;
+        newLine->x1 = line->x1;
+        newLine->y1 = line->y1;
+        newLine->x2 = line->x2;
+        newLine->y2 = line->y2;
+        
+        lines.Append(newLine);
+        
+        node = node->Next();
+    }

 }
 
 DoodleSegment::~DoodleSegment(void)
 {
 }
 
 DoodleSegment::~DoodleSegment(void)
 {

-  lines.DeleteContents(TRUE);
+    lines.DeleteContents(TRUE);

 }
 
 #if wxUSE_STD_IOSTREAM
 }
 
 #if wxUSE_STD_IOSTREAM

-ostream& DoodleSegment::SaveObject(ostream& stream)
+wxSTD ostream& DoodleSegment::SaveObject(wxSTD ostream& stream)

 {
 {

-  wxInt32 n = lines.Number();
-  stream << n << '\n';
-  
-  wxNode *node = lines.First();
-  while (node)
-  {
-    DoodleLine *line = (DoodleLine *)node->Data();
-    stream << line->x1 << " " << 
-                   line->y1 << " " << 
-                  line->x2 << " " << 
-                  line->y2 << "\n";
-    node = node->Next();
-  }
-
-  return stream;
+    wxInt32 n = lines.Number();
+    stream << n << '\n';
+    
+    wxNode *node = lines.First();
+    while (node)
+    {
+        DoodleLine *line = (DoodleLine *)node->Data();
+        stream << line->x1 << " " << 
+            line->y1 << " " << 
+            line->x2 << " " << 
+            line->y2 << "\n";
+        node = node->Next();
+    }
+    
+    return stream;

 }
 #else
 wxOutputStream &DoodleSegment::SaveObject(wxOutputStream& stream)
 {
 }
 #else
 wxOutputStream &DoodleSegment::SaveObject(wxOutputStream& stream)
 {

-  wxTextOutputStream text_stream( stream );
-
-  wxInt32 n = lines.Number();
-  text_stream << n << '\n';
-  
-  wxNode *node = lines.First();
-  while (node)
-  {
-    DoodleLine *line = (DoodleLine *)node->Data();
-    text_stream << line->x1 << " " << 
-                   line->y1 << " " << 
-                  line->x2 << " " << 
-                  line->y2 << "\n";
-    node = node->Next();
-  }
-
-  return stream;
+    wxTextOutputStream text_stream( stream );
+    
+    wxInt32 n = lines.Number();
+    text_stream << n << '\n';
+    
+    wxNode *node = lines.First();
+    while (node)
+    {
+        DoodleLine *line = (DoodleLine *)node->Data();
+        text_stream << line->x1 << " " << 
+            line->y1 << " " << 
+            line->x2 << " " << 
+            line->y2 << "\n";
+        node = node->Next();
+    }
+    
+    return stream;

 }
 #endif
 
 #if wxUSE_STD_IOSTREAM
 }
 #endif
 
 #if wxUSE_STD_IOSTREAM

-istream& DoodleSegment::LoadObject(istream& stream)
+wxSTD istream& DoodleSegment::LoadObject(wxSTD istream& stream)

 {
 {

-  wxInt32 n = 0;
-  stream >> n;
-
-  for (int i = 0; i < n; i++)
-  {
-    DoodleLine *line = new DoodleLine;
-    stream >> line->x1 >> 
-                   line->y1 >> 
-                  line->x2 >> 
-                  line->y2;
-    lines.Append(line);
-  }
-  
-  return stream;
+    wxInt32 n = 0;
+    stream >> n;
+    
+    for (int i = 0; i < n; i++)
+    {
+        DoodleLine *line = new DoodleLine;
+        stream >> line->x1 >> 
+            line->y1 >> 
+            line->x2 >> 
+            line->y2;
+        lines.Append(line);
+    }
+    
+    return stream;

 }
 #else
 wxInputStream &DoodleSegment::LoadObject(wxInputStream& stream)
 {
 }
 #else
 wxInputStream &DoodleSegment::LoadObject(wxInputStream& stream)
 {

-  wxTextInputStream text_stream( stream );
-
-  wxInt32 n = 0;
-  text_stream >> n;
-
-  for (int i = 0; i < n; i++)
-  {
-    DoodleLine *line = new DoodleLine;
-    text_stream >> line->x1 >> 
-                   line->y1 >> 
-                  line->x2 >> 
-                  line->y2;
-    lines.Append(line);
-  }
-  
-  return stream;
+    wxTextInputStream text_stream( stream );
+    
+    wxInt32 n = 0;
+    text_stream >> n;
+    
+    for (int i = 0; i < n; i++)
+    {
+        DoodleLine *line = new DoodleLine;
+        text_stream >> line->x1 >> 
+            line->y1 >> 
+            line->x2 >> 
+            line->y2;
+        lines.Append(line);
+    }
+    
+    return stream;

 }
 #endif
 
 void DoodleSegment::Draw(wxDC *dc)
 {
 }
 #endif
 
 void DoodleSegment::Draw(wxDC *dc)
 {

-  wxNode *node = lines.First();
-  while (node)
-  {
-    DoodleLine *line = (DoodleLine *)node->Data();
-    dc->DrawLine(line->x1, line->y1, line->x2, line->y2);
-    node = node->Next();
-  }
+    wxNode *node = lines.First();
+    while (node)
+    {
+        DoodleLine *line = (DoodleLine *)node->Data();
+        dc->DrawLine(line->x1, line->y1, line->x2, line->y2);
+        node = node->Next();
+    }

 }
 
 /*
 }
 
 /*

- * Implementation of drawing command
- */
+* Implementation of drawing command
+*/

 
 DrawingCommand::DrawingCommand(const wxString& name, int command, DrawingDocument *ddoc, DoodleSegment *seg):
 
 DrawingCommand::DrawingCommand(const wxString& name, int command, DrawingDocument *ddoc, DoodleSegment *seg):

-  wxCommand(TRUE, name)
+wxCommand(TRUE, name)

 {
 {

-  doc = ddoc;
-  segment = seg;
-  cmd = command;
+    doc = ddoc;
+    segment = seg;
+    cmd = command;

 }
 
 DrawingCommand::~DrawingCommand(void)
 {
 }
 
 DrawingCommand::~DrawingCommand(void)
 {

-  if (segment)
-    delete segment;
+    if (segment)
+        delete segment;

 }
 
 bool DrawingCommand::Do(void)
 {
 }
 
 bool DrawingCommand::Do(void)
 {

-  switch (cmd)
-  {
-    case DOODLE_CUT:
+    switch (cmd)

     {
     {

-      // Cut the last segment
-      if (doc->GetDoodleSegments().Number() > 0)
-      {
-        wxNode *node = doc->GetDoodleSegments().Last();
-        if (segment)
-          delete segment;
-          
-        segment = (DoodleSegment *)node->Data();
-        delete node;
-
-        doc->Modify(TRUE);
-        doc->UpdateAllViews();
-      }
-      break;
-    }
+    case DOODLE_CUT:
+        {
+            // Cut the last segment
+            if (doc->GetDoodleSegments().Number() > 0)
+            {
+                wxNode *node = doc->GetDoodleSegments().Last();
+                if (segment)
+                    delete segment;
+                
+                segment = (DoodleSegment *)node->Data();
+                delete node;
+                
+                doc->Modify(TRUE);
+                doc->UpdateAllViews();
+            }
+            break;
+        }

     case DOODLE_ADD:
     case DOODLE_ADD:

-    {
-      doc->GetDoodleSegments().Append(new DoodleSegment(*segment));
-      doc->Modify(TRUE);
-      doc->UpdateAllViews();
-      break;
+        {
+            doc->GetDoodleSegments().Append(new DoodleSegment(*segment));
+            doc->Modify(TRUE);
+            doc->UpdateAllViews();
+            break;
+        }

     }
     }

-  }
-  return TRUE;
+    return TRUE;

 }
 
 bool DrawingCommand::Undo(void)
 {
 }
 
 bool DrawingCommand::Undo(void)
 {

-  switch (cmd)
-  {
-    case DOODLE_CUT:
+    switch (cmd)

     {
     {

-      // Paste the segment
-      if (segment)
-      {
-        doc->GetDoodleSegments().Append(segment);
-        doc->Modify(TRUE);
-        doc->UpdateAllViews();
-        segment = (DoodleSegment *) NULL;
-      }
-      doc->Modify(TRUE);
-      doc->UpdateAllViews();
-      break;
-    }
+    case DOODLE_CUT:
+        {
+            // Paste the segment
+            if (segment)
+            {
+                doc->GetDoodleSegments().Append(segment);
+                doc->Modify(TRUE);
+                doc->UpdateAllViews();
+                segment = (DoodleSegment *) NULL;
+            }
+            doc->Modify(TRUE);
+            doc->UpdateAllViews();
+            break;
+        }

     case DOODLE_ADD:
     case DOODLE_ADD:

-    {
-      // Cut the last segment
-      if (doc->GetDoodleSegments().Number() > 0)
-      {
-        wxNode *node = doc->GetDoodleSegments().Last();
-        DoodleSegment *seg = (DoodleSegment *)node->Data();
-        delete seg;
-        delete node;
-
-        doc->Modify(TRUE);
-        doc->UpdateAllViews();
-      }
+        {
+            // Cut the last segment
+            if (doc->GetDoodleSegments().Number() > 0)
+            {
+                wxNode *node = doc->GetDoodleSegments().Last();
+                DoodleSegment *seg = (DoodleSegment *)node->Data();
+                delete seg;
+                delete node;
+                
+                doc->Modify(TRUE);
+                doc->UpdateAllViews();
+            }
+        }

     }
     }

-  }
-  return TRUE;
+    return TRUE;

 }
 
 IMPLEMENT_DYNAMIC_CLASS(TextEditDocument, wxDocument)
 }
 
 IMPLEMENT_DYNAMIC_CLASS(TextEditDocument, wxDocument)


@@ -338,7 +338,7 @@ IMPLEMENT_DYNAMIC_CLASS(TextEditDocument, wxDocument)
 bool TextEditDocument::OnSaveDocument(const wxString& filename)
 {
     TextEditView *view = (TextEditView *)GetFirstView();
 bool TextEditDocument::OnSaveDocument(const wxString& filename)
 {
     TextEditView *view = (TextEditView *)GetFirstView();

-
+    

     if (!view->textsw->SaveFile(filename))
         return FALSE;
     Modify(FALSE);
     if (!view->textsw->SaveFile(filename))
         return FALSE;
     Modify(FALSE);


@@ -350,7 +350,7 @@ bool TextEditDocument::OnOpenDocument(const wxString& filename)
     TextEditView *view = (TextEditView *)GetFirstView();
     if (!view->textsw->LoadFile(filename))
         return FALSE;
     TextEditView *view = (TextEditView *)GetFirstView();
     if (!view->textsw->LoadFile(filename))
         return FALSE;

-
+    

     SetFilename(filename, TRUE);
     Modify(FALSE);
     UpdateAllViews();
     SetFilename(filename, TRUE);
     Modify(FALSE);
     UpdateAllViews();


@@ -359,21 +359,21 @@ bool TextEditDocument::OnOpenDocument(const wxString& filename)
 
 bool TextEditDocument::IsModified(void) const
 {
 
 bool TextEditDocument::IsModified(void) const
 {

-  TextEditView *view = (TextEditView *)GetFirstView();
-  if (view)
-  {
-    return (wxDocument::IsModified() || view->textsw->IsModified());
-  }
-  else
-    return wxDocument::IsModified();
+    TextEditView *view = (TextEditView *)GetFirstView();
+    if (view)
+    {
+        return (wxDocument::IsModified() || view->textsw->IsModified());
+    }
+    else
+        return wxDocument::IsModified();

 }
 
 void TextEditDocument::Modify(bool mod)
 {
 }
 
 void TextEditDocument::Modify(bool mod)
 {

-  TextEditView *view = (TextEditView *)GetFirstView();
-
-  wxDocument::Modify(mod);
-
-  if (!mod && view && view->textsw)
-    view->textsw->DiscardEdits();
+    TextEditView *view = (TextEditView *)GetFirstView();
+    
+    wxDocument::Modify(mod);
+    
+    if (!mod && view && view->textsw)
+        view->textsw->DiscardEdits();

 }
 }