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 #if wxUSE_MDI_ARCHITECTURE
  24
  25 #include "wx/docmdi.h"
  26
  27 /*
  28  * Docview MDI parent frame
  29  */
  30
  31 IMPLEMENT_CLASS(wxDocMDIParentFrame, wxMDIParentFrame)
  32
  33 BEGIN_EVENT_TABLE(wxDocMDIParentFrame, wxMDIParentFrame)
  34     EVT_MENU(wxID_EXIT, wxDocMDIParentFrame::OnExit)
  35     EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocMDIParentFrame::OnMRUFile)
  36     EVT_CLOSE(wxDocMDIParentFrame::OnCloseWindow)
  37 END_EVENT_TABLE()
  38
  39 wxDocMDIParentFrame::wxDocMDIParentFrame(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title,
  40   const wxPoint& pos, const wxSize& size, long style, const wxString& name):
  41   wxMDIParentFrame(frame, id, title, pos, size, style, name)
  42 {
  43   m_docManager = manager;
  44 }
  45
  46 void wxDocMDIParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
  47 {
  48     Close();
  49 }
  50
  51 void wxDocMDIParentFrame::OnMRUFile(wxCommandEvent& event)
  52 {
  53       wxString f(m_docManager->GetHistoryFile(event.GetId() - wxID_FILE1));
  54       if (f != wxT(""))
  55         (void)m_docManager->CreateDocument(f, wxDOC_SILENT);
  56 }
  57
  58 // Extend event processing to search the view's event table
  59 bool wxDocMDIParentFrame::ProcessEvent(wxEvent& event)
  60 {
  61     // Try the document manager, then do default processing
  62     if (!m_docManager || !m_docManager->ProcessEvent(event))
  63         return wxEvtHandler::ProcessEvent(event);
  64     else
  65         return TRUE;
  66 }
  67
  68 void wxDocMDIParentFrame::OnCloseWindow(wxCloseEvent& event)
  69 {
  70   if (m_docManager->Clear(!event.CanVeto()))
  71   {
  72     this->Destroy();
  73   }
  74   else
  75     event.Veto();
  76 }
  77
  78
  79 /*
  80  * Default document child frame for MDI children
  81  */
  82
  83 IMPLEMENT_CLASS(wxDocMDIChildFrame, wxMDIChildFrame)
  84
  85 BEGIN_EVENT_TABLE(wxDocMDIChildFrame, wxMDIChildFrame)
  86     EVT_ACTIVATE(wxDocMDIChildFrame::OnActivate)
  87     EVT_CLOSE(wxDocMDIChildFrame::OnCloseWindow)
  88 END_EVENT_TABLE()
  89
  90 wxDocMDIChildFrame::wxDocMDIChildFrame(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID  id,
  91   const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name):
  92     wxMDIChildFrame(frame, id, title, pos, size, style, name)
  93 {
  94   m_childDocument = doc;
  95   m_childView = view;
  96   if (view)
  97     view->SetFrame(this);
  98 }
  99
 100 wxDocMDIChildFrame::~wxDocMDIChildFrame(void)
 101 {
 102         m_childView = (wxView *) NULL;
 103 }
 104
 105 // Extend event processing to search the view's event table
 106 bool wxDocMDIChildFrame::ProcessEvent(wxEvent& event)
 107 {
 108     static wxEvent *ActiveEvent = NULL;
 109
 110     // Break recursion loops
 111     if (ActiveEvent == &event)
 112         return FALSE;
 113
 114     ActiveEvent = &event;
 115
 116     bool ret;
 117         if ( !m_childView || ! m_childView->ProcessEvent(event) )
 118     {
 119         // Only hand up to the parent if it's a menu command
 120         if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
 121             ret = wxEvtHandler::ProcessEvent(event);
 122         else
 123             ret = TRUE;
 124     }
 125         else
 126         ret = TRUE;
 127
 128     ActiveEvent = NULL;
 129     return ret;
 130 }
 131
 132 void wxDocMDIChildFrame::OnActivate(wxActivateEvent& event)
 133 {
 134   wxMDIChildFrame::OnActivate(event);
 135
 136   if (event.GetActive() && m_childView)
 137     m_childView->Activate(event.GetActive());
 138 }
 139
 140 void wxDocMDIChildFrame::OnCloseWindow(wxCloseEvent& event)
 141 {
 142   // Close view but don't delete the frame while doing so!
 143   // ...since it will be deleted by wxWindows if we return TRUE.
 144   if (m_childView)
 145   {
 146     bool ans = FALSE;
 147     if (!event.CanVeto())
 148       ans = TRUE; // Must delete.
 149     else
 150       ans = m_childView->Close(FALSE); // FALSE means don't delete associated window
 151
 152     if (ans)
 153     {
 154       m_childView->Activate(FALSE);
 155       delete m_childView;
 156       m_childView = (wxView *) NULL;
 157       m_childDocument = (wxDocument *) NULL;
 158
 159       this->Destroy();
 160     }
 161     else
 162         event.Veto();
 163   }
 164   else
 165     event.Veto();
 166 }
 167
 168 #endif
 169     // wxUSE_DOC_VIEW_ARCHITECTURE
 170