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()
  40 {
  41     Init();
  42 }
  43
  44 wxDocMDIParentFrame::wxDocMDIParentFrame(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title,
  45   const wxPoint& pos, const wxSize& size, long style, const wxString& name)
  46 {
  47     Init();
  48     Create(manager, frame, id, title, pos, size, style, name);
  49 }
  50
  51 bool wxDocMDIParentFrame::Create(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title,
  52   const wxPoint& pos, const wxSize& size, long style, const wxString& name)
  53 {
  54     m_docManager = manager;
  55     return wxMDIParentFrame::Create(frame, id, title, pos, size, style, name);
  56 }
  57
  58 void wxDocMDIParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
  59 {
  60     Close();
  61 }
  62
  63 void wxDocMDIParentFrame::Init()
  64 {
  65     m_docManager = NULL;
  66 }
  67
  68 void wxDocMDIParentFrame::OnMRUFile(wxCommandEvent& event)
  69 {
  70     wxString f(m_docManager->GetHistoryFile(event.GetId() - wxID_FILE1));
  71     if (!f.empty())
  72         (void)m_docManager->CreateDocument(f, wxDOC_SILENT);
  73 }
  74
  75 // Extend event processing to search the view's event table
  76 bool wxDocMDIParentFrame::ProcessEvent(wxEvent& event)
  77 {
  78     // Try the document manager, then do default processing
  79     if (!m_docManager || !m_docManager->ProcessEvent(event))
  80         return wxEvtHandler::ProcessEvent(event);
  81     else
  82         return true;
  83 }
  84
  85 void wxDocMDIParentFrame::OnCloseWindow(wxCloseEvent& event)
  86 {
  87   if (m_docManager->Clear(!event.CanVeto()))
  88   {
  89     this->Destroy();
  90   }
  91   else
  92     event.Veto();
  93 }
  94
  95
  96 /*
  97  * Default document child frame for MDI children
  98  */
  99
 100 IMPLEMENT_CLASS(wxDocMDIChildFrame, wxMDIChildFrame)
 101
 102 BEGIN_EVENT_TABLE(wxDocMDIChildFrame, wxMDIChildFrame)
 103     EVT_ACTIVATE(wxDocMDIChildFrame::OnActivate)
 104     EVT_CLOSE(wxDocMDIChildFrame::OnCloseWindow)
 105 END_EVENT_TABLE()
 106
 107 void wxDocMDIChildFrame::Init()
 108 {
 109     m_childDocument = (wxDocument*)  NULL;
 110     m_childView = (wxView*) NULL;
 111 }
 112
 113 wxDocMDIChildFrame::wxDocMDIChildFrame()
 114 {
 115     Init();
 116 }
 117
 118 wxDocMDIChildFrame::wxDocMDIChildFrame(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID  id,
 119   const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
 120 {
 121     Init();
 122     Create(doc, view, frame, id, title, pos, size, style, name);
 123 }
 124
 125 bool wxDocMDIChildFrame::Create(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID  id,
 126   const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
 127 {
 128     m_childDocument = doc;
 129     m_childView = view;
 130     if (wxMDIChildFrame::Create(frame, id, title, pos, size, style, name))
 131     {
 132         if (view)
 133             view->SetFrame(this);
 134         return true;
 135     }
 136
 137     return false;
 138 }
 139
 140 wxDocMDIChildFrame::~wxDocMDIChildFrame(void)
 141 {
 142     m_childView = (wxView *) NULL;
 143 }
 144
 145 // Extend event processing to search the view's event table
 146 bool wxDocMDIChildFrame::ProcessEvent(wxEvent& event)
 147 {
 148     static wxEvent *ActiveEvent = NULL;
 149
 150     // Break recursion loops
 151     if (ActiveEvent == &event)
 152         return false;
 153
 154     ActiveEvent = &event;
 155
 156     bool ret;
 157     if ( !m_childView || ! m_childView->ProcessEvent(event) )
 158     {
 159         // Only hand up to the parent if it's a menu command
 160         if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
 161             ret = wxEvtHandler::ProcessEvent(event);
 162         else
 163             ret = true;
 164     }
 165     else
 166         ret = true;
 167
 168     ActiveEvent = NULL;
 169     return ret;
 170 }
 171
 172 void wxDocMDIChildFrame::OnActivate(wxActivateEvent& event)
 173 {
 174   wxMDIChildFrame::OnActivate(event);
 175
 176   if (event.GetActive() && m_childView)
 177     m_childView->Activate(event.GetActive());
 178 }
 179
 180 void wxDocMDIChildFrame::OnCloseWindow(wxCloseEvent& event)
 181 {
 182   // Close view but don't delete the frame while doing so!
 183   // ...since it will be deleted by wxWidgets if we return true.
 184   if (m_childView)
 185   {
 186     bool ans = event.CanVeto()
 187                 ? m_childView->Close(false) // false means don't delete associated window
 188                 : true; // Must delete.
 189
 190     if (ans)
 191     {
 192       m_childView->Activate(false);
 193       delete m_childView;
 194       m_childView = (wxView *) NULL;
 195       m_childDocument = (wxDocument *) NULL;
 196
 197       this->Destroy();
 198     }
 199     else
 200         event.Veto();
 201   }
 202   else
 203     event.Veto();
 204 }
 205
 206 #endif
 207     // wxUSE_DOC_VIEW_ARCHITECTURE
 208