Tweaked the layout sample a bit for wxGridBagSizer

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

diff --git a/src/common/docmdi.cpp b/src/common/docmdi.cpp
index a0de68f3d45766828f374f6e29cc4c7268076268..281953afa26df4280a0e4f87aebdcf5af325b5fb 100644 (file)
--- a/src/common/docmdi.cpp
+++ b/src/common/docmdi.cpp
@@ -6,10 +6,10 @@
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "docmdi.h"
 #endif
 
@@ -17,18 +17,10 @@
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+  #pragma hdrstop
 #endif
 
-#ifndef WX_PRECOMP
-#include "wx/defs.h"
-#endif
-
-#if USE_DOC_VIEW_ARCHITECTURE
-
-#ifndef WX_PRECOMP
-#include "wx/wx.h"
-#endif
+#if wxUSE_MDI_ARCHITECTURE
 
 #include "wx/docmdi.h"
 
@@ -41,6 +33,7 @@ IMPLEMENT_CLASS(wxDocMDIParentFrame, wxMDIParentFrame)
 BEGIN_EVENT_TABLE(wxDocMDIParentFrame, wxMDIParentFrame)
     EVT_MENU(wxID_EXIT, wxDocMDIParentFrame::OnExit)
     EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocMDIParentFrame::OnMRUFile)
+    EVT_CLOSE(wxDocMDIParentFrame::OnCloseWindow)
 END_EVENT_TABLE()
 
 wxDocMDIParentFrame::wxDocMDIParentFrame(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title,
@@ -57,8 +50,8 @@ void wxDocMDIParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 
 void wxDocMDIParentFrame::OnMRUFile(wxCommandEvent& event)
 {
-      wxString f(m_docManager->GetHistoryFile(event.GetSelection() - wxID_FILE1));
-      if (f != "")
+      wxString f(m_docManager->GetHistoryFile(event.GetId() - wxID_FILE1));
+      if (f != wxT(""))
         (void)m_docManager->CreateDocument(f, wxDOC_SILENT);
 }
 
@@ -72,11 +65,14 @@ bool wxDocMDIParentFrame::ProcessEvent(wxEvent& event)
         return TRUE;
 }
 
-// Define the behaviour for the frame closing
-// - must delete all frames except for the main one.
-bool wxDocMDIParentFrame::OnClose(void)
+void wxDocMDIParentFrame::OnCloseWindow(wxCloseEvent& event)
 {
-  return m_docManager->Clear(FALSE);
+  if (m_docManager->Clear(!event.CanVeto()))
+  {
+    this->Destroy();
+  }
+  else
+    event.Veto();
 }
 
 
@@ -88,16 +84,39 @@ IMPLEMENT_CLASS(wxDocMDIChildFrame, wxMDIChildFrame)
 
 BEGIN_EVENT_TABLE(wxDocMDIChildFrame, wxMDIChildFrame)
     EVT_ACTIVATE(wxDocMDIChildFrame::OnActivate)
+    EVT_CLOSE(wxDocMDIChildFrame::OnCloseWindow)
 END_EVENT_TABLE()
 
+void wxDocMDIChildFrame::Init()
+{
+    m_childDocument = (wxDocument*)  NULL;
+    m_childView = (wxView*) NULL;
+}
+
+wxDocMDIChildFrame::wxDocMDIChildFrame()
+{
+    Init();
+}
+
 wxDocMDIChildFrame::wxDocMDIChildFrame(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID  id,
-  const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name):
-    wxMDIChildFrame(frame, id, title, pos, size, style, name)
+  const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
+{
+    Init();
+    Create(doc, view, frame, id, title, pos, size, style, name);
+}
+
+bool wxDocMDIChildFrame::Create(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID  id,
+  const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
 {
   m_childDocument = doc;
   m_childView = view;
+    if (wxMDIChildFrame::Create(frame, id, title, pos, size, style, name)) {
   if (view)
     view->SetFrame(this);
+        return TRUE;
+    }
+
+    return FALSE;
 }
 
 wxDocMDIChildFrame::~wxDocMDIChildFrame(void)
@@ -108,16 +127,28 @@ wxDocMDIChildFrame::~wxDocMDIChildFrame(void)
 // Extend event processing to search the view's event table
 bool wxDocMDIChildFrame::ProcessEvent(wxEvent& event)
 {
+    static wxEvent *ActiveEvent = NULL;
+
+    // Break recursion loops
+    if (ActiveEvent == &event)
+        return FALSE;
+
+    ActiveEvent = &event;
+
+    bool ret;
        if ( !m_childView || ! m_childView->ProcessEvent(event) )
     {
         // Only hand up to the parent if it's a menu command
         if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
-                   return wxEvtHandler::ProcessEvent(event);
+            ret = wxEvtHandler::ProcessEvent(event);
         else
-            return TRUE;
+            ret = TRUE;
     }
        else
-               return TRUE;
+        ret = TRUE;
+
+    ActiveEvent = NULL;
+    return ret;
 }
 
 void wxDocMDIChildFrame::OnActivate(wxActivateEvent& event)
@@ -128,26 +159,32 @@ void wxDocMDIChildFrame::OnActivate(wxActivateEvent& event)
     m_childView->Activate(event.GetActive());
 }
 
-bool wxDocMDIChildFrame::OnClose(void)
+void wxDocMDIChildFrame::OnCloseWindow(wxCloseEvent& event)
 {
   // Close view but don't delete the frame while doing so!
   // ...since it will be deleted by wxWindows if we return TRUE.
   if (m_childView)
   {
-    bool ans = m_childView->Close(FALSE); // FALSE means don't delete associated window
+    bool ans = event.CanVeto()
+                ? m_childView->Close(FALSE) // FALSE means don't delete associated window
+                : TRUE; // Must delete.
+
     if (ans)
     {
       m_childView->Activate(FALSE);
       delete m_childView;
       m_childView = (wxView *) NULL;
       m_childDocument = (wxDocument *) NULL;
+
+      this->Destroy();
     }
-    
-    return ans;
+    else
+        event.Veto();
   }
-  else return TRUE;
+  else
+    event.Veto();
 }
 
 #endif
-    // USE_DOC_VIEW_ARCHITECTURE
+    // wxUSE_DOC_VIEW_ARCHITECTURE