src/common/docmdi.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        docmdi.cpp
   3 // Purpose:     Frame classes for MDI document/view applications
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "docmdi.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/defs.h"
  25 #endif
  26
  27 #if wxUSE_DOC_VIEW_ARCHITECTURE
  28
  29 #ifndef WX_PRECOMP
  30 #include "wx/wx.h"
  31 #endif
  32
  33 #include "wx/docmdi.h"
  34
  35 /*
  36  * Docview MDI parent frame
  37  */
  38
  39 IMPLEMENT_CLASS(wxDocMDIParentFrame, wxMDIParentFrame)
  40
  41 BEGIN_EVENT_TABLE(wxDocMDIParentFrame, wxMDIParentFrame)
  42     EVT_MENU(wxID_EXIT, wxDocMDIParentFrame::OnExit)
  43     EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocMDIParentFrame::OnMRUFile)
  44     EVT_CLOSE(wxDocMDIParentFrame::OnCloseWindow)
  45 END_EVENT_TABLE()
  46
  47 wxDocMDIParentFrame::wxDocMDIParentFrame(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title,
  48   const wxPoint& pos, const wxSize& size, long style, const wxString& name):
  49   wxMDIParentFrame(frame, id, title, pos, size, style, name)
  50 {
  51   m_docManager = manager;
  52 }
  53
  54 void wxDocMDIParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
  55 {
  56     Close();
  57 }
  58
  59 void wxDocMDIParentFrame::OnMRUFile(wxCommandEvent& event)
  60 {
  61       wxString f(m_docManager->GetHistoryFile(event.GetSelection() - wxID_FILE1));
  62       if (f != "")
  63         (void)m_docManager->CreateDocument(f, wxDOC_SILENT);
  64 }
  65
  66 // Extend event processing to search the view's event table
  67 bool wxDocMDIParentFrame::ProcessEvent(wxEvent& event)
  68 {
  69     // Try the document manager, then do default processing
  70     if (!m_docManager || !m_docManager->ProcessEvent(event))
  71         return wxEvtHandler::ProcessEvent(event);
  72     else
  73         return TRUE;
  74 }
  75
  76 void wxDocMDIParentFrame::OnCloseWindow(wxCloseEvent& event)
  77 {
  78   if (m_docManager->Clear(!event.CanVeto()))
  79   {
  80     this->Destroy();
  81   }
  82   else
  83     event.Veto();
  84 }
  85
  86
  87 /*
  88  * Default document child frame for MDI children
  89  */
  90
  91 IMPLEMENT_CLASS(wxDocMDIChildFrame, wxMDIChildFrame)
  92
  93 BEGIN_EVENT_TABLE(wxDocMDIChildFrame, wxMDIChildFrame)
  94     EVT_ACTIVATE(wxDocMDIChildFrame::OnActivate)
  95     EVT_CLOSE(wxDocMDIChildFrame::OnCloseWindow)
  96 END_EVENT_TABLE()
  97
  98 wxDocMDIChildFrame::wxDocMDIChildFrame(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID  id,
  99   const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name):
 100     wxMDIChildFrame(frame, id, title, pos, size, style, name)
 101 {
 102   m_childDocument = doc;
 103   m_childView = view;
 104   if (view)
 105     view->SetFrame(this);
 106 }
 107
 108 wxDocMDIChildFrame::~wxDocMDIChildFrame(void)
 109 {
 110         m_childView = (wxView *) NULL;
 111 }
 112
 113 // Extend event processing to search the view's event table
 114 bool wxDocMDIChildFrame::ProcessEvent(wxEvent& event)
 115 {
 116         if ( !m_childView || ! m_childView->ProcessEvent(event) )
 117     {
 118         // Only hand up to the parent if it's a menu command
 119         if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
 120                     return wxEvtHandler::ProcessEvent(event);
 121         else
 122             return TRUE;
 123     }
 124         else
 125                 return TRUE;
 126 }
 127
 128 void wxDocMDIChildFrame::OnActivate(wxActivateEvent& event)
 129 {
 130   wxMDIChildFrame::OnActivate(event);
 131
 132   if (event.GetActive() && m_childView)
 133     m_childView->Activate(event.GetActive());
 134 }
 135
 136 void wxDocMDIChildFrame::OnCloseWindow(wxCloseEvent& event)
 137 {
 138   // Close view but don't delete the frame while doing so!
 139   // ...since it will be deleted by wxWindows if we return TRUE.
 140   if (m_childView)
 141   {
 142     bool ans = FALSE;
 143     if (!event.CanVeto())
 144       ans = TRUE; // Must delete.
 145     else
 146       ans = m_childView->Close(FALSE); // FALSE means don't delete associated window
 147
 148     if (ans)
 149     {
 150       m_childView->Activate(FALSE);
 151       delete m_childView;
 152       m_childView = (wxView *) NULL;
 153       m_childDocument = (wxDocument *) NULL;
 154
 155       this->Destroy();
 156     }
 157     else
 158         event.Veto();
 159   }
 160   else
 161     event.Veto();
 162 }
 163
 164 #endif
 165     // wxUSE_DOC_VIEW_ARCHITECTURE
 166