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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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 void wxDocMDIChildFrame::Init()
  91 {
  92     m_childDocument = (wxDocument*)  NULL;
  93     m_childView = (wxView*) NULL;
  94 }
  95
  96 wxDocMDIChildFrame::wxDocMDIChildFrame()
  97 {
  98     Init();
  99 }
 100
 101 wxDocMDIChildFrame::wxDocMDIChildFrame(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID  id,
 102   const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
 103 {
 104     Init();
 105     Create(doc, view, frame, id, title, pos, size, style, name);
 106 }
 107
 108 bool wxDocMDIChildFrame::Create(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID  id,
 109   const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
 110 {
 111   m_childDocument = doc;
 112   m_childView = view;
 113     if (wxMDIChildFrame::Create(frame, id, title, pos, size, style, name)) {
 114   if (view)
 115     view->SetFrame(this);
 116         return TRUE;
 117     }
 118
 119     return FALSE;
 120 }
 121
 122 wxDocMDIChildFrame::~wxDocMDIChildFrame(void)
 123 {
 124         m_childView = (wxView *) NULL;
 125 }
 126
 127 // Extend event processing to search the view's event table
 128 bool wxDocMDIChildFrame::ProcessEvent(wxEvent& event)
 129 {
 130     static wxEvent *ActiveEvent = NULL;
 131
 132     // Break recursion loops
 133     if (ActiveEvent == &event)
 134         return FALSE;
 135
 136     ActiveEvent = &event;
 137
 138     bool ret;
 139         if ( !m_childView || ! m_childView->ProcessEvent(event) )
 140     {
 141         // Only hand up to the parent if it's a menu command
 142         if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
 143             ret = wxEvtHandler::ProcessEvent(event);
 144         else
 145             ret = TRUE;
 146     }
 147         else
 148         ret = TRUE;
 149
 150     ActiveEvent = NULL;
 151     return ret;
 152 }
 153
 154 void wxDocMDIChildFrame::OnActivate(wxActivateEvent& event)
 155 {
 156   wxMDIChildFrame::OnActivate(event);
 157
 158   if (event.GetActive() && m_childView)
 159     m_childView->Activate(event.GetActive());
 160 }
 161
 162 void wxDocMDIChildFrame::OnCloseWindow(wxCloseEvent& event)
 163 {
 164   // Close view but don't delete the frame while doing so!
 165   // ...since it will be deleted by wxWindows if we return TRUE.
 166   if (m_childView)
 167   {
 168     bool ans = event.CanVeto()
 169                 ? m_childView->Close(FALSE) // FALSE means don't delete associated window
 170                 : TRUE; // Must delete.
 171
 172     if (ans)
 173     {
 174       m_childView->Activate(FALSE);
 175       delete m_childView;
 176       m_childView = (wxView *) NULL;
 177       m_childDocument = (wxDocument *) NULL;
 178
 179       this->Destroy();
 180     }
 181     else
 182         event.Veto();
 183   }
 184   else
 185     event.Veto();
 186 }
 187
 188 #endif
 189     // wxUSE_DOC_VIEW_ARCHITECTURE
 190