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 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16   #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_MDI_ARCHITECTURE
  20
  21 #include "wx/docmdi.h"
  22
  23 /*
  24  * Docview MDI parent frame
  25  */
  26
  27 IMPLEMENT_CLASS(wxDocMDIParentFrame, wxMDIParentFrame)
  28
  29 BEGIN_EVENT_TABLE(wxDocMDIParentFrame, wxMDIParentFrame)
  30     EVT_MENU(wxID_EXIT, wxDocMDIParentFrame::OnExit)
  31     EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocMDIParentFrame::OnMRUFile)
  32     EVT_CLOSE(wxDocMDIParentFrame::OnCloseWindow)
  33 END_EVENT_TABLE()
  34
  35 wxDocMDIParentFrame::wxDocMDIParentFrame()
  36 {
  37     Init();
  38 }
  39
  40 wxDocMDIParentFrame::wxDocMDIParentFrame(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title,
  41   const wxPoint& pos, const wxSize& size, long style, const wxString& name)
  42 {
  43     Init();
  44     Create(manager, frame, id, title, pos, size, style, name);
  45 }
  46
  47 bool wxDocMDIParentFrame::Create(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title,
  48   const wxPoint& pos, const wxSize& size, long style, const wxString& name)
  49 {
  50     m_docManager = manager;
  51     return wxMDIParentFrame::Create(frame, id, title, pos, size, style, name);
  52 }
  53
  54 void wxDocMDIParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
  55 {
  56     Close();
  57 }
  58
  59 void wxDocMDIParentFrame::Init()
  60 {
  61     m_docManager = NULL;
  62 }
  63
  64 void wxDocMDIParentFrame::OnMRUFile(wxCommandEvent& event)
  65 {
  66     wxString f(m_docManager->GetHistoryFile(event.GetId() - wxID_FILE1));
  67     if (!f.empty())
  68         (void)m_docManager->CreateDocument(f, wxDOC_SILENT);
  69 }
  70
  71 // Extend event processing to search the view's event table
  72 bool wxDocMDIParentFrame::ProcessEvent(wxEvent& event)
  73 {
  74     // Try the document manager, then do default processing
  75     if (!m_docManager || !m_docManager->ProcessEvent(event))
  76         return wxEvtHandler::ProcessEvent(event);
  77     else
  78         return true;
  79 }
  80
  81 void wxDocMDIParentFrame::OnCloseWindow(wxCloseEvent& event)
  82 {
  83   if (m_docManager->Clear(!event.CanVeto()))
  84   {
  85     this->Destroy();
  86   }
  87   else
  88     event.Veto();
  89 }
  90
  91
  92 /*
  93  * Default document child frame for MDI children
  94  */
  95
  96 IMPLEMENT_CLASS(wxDocMDIChildFrame, wxMDIChildFrame)
  97
  98 BEGIN_EVENT_TABLE(wxDocMDIChildFrame, wxMDIChildFrame)
  99     EVT_ACTIVATE(wxDocMDIChildFrame::OnActivate)
 100     EVT_CLOSE(wxDocMDIChildFrame::OnCloseWindow)
 101 END_EVENT_TABLE()
 102
 103 void wxDocMDIChildFrame::Init()
 104 {
 105     m_childDocument = (wxDocument*)  NULL;
 106     m_childView = (wxView*) NULL;
 107 }
 108
 109 wxDocMDIChildFrame::wxDocMDIChildFrame()
 110 {
 111     Init();
 112 }
 113
 114 wxDocMDIChildFrame::wxDocMDIChildFrame(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID  id,
 115   const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
 116 {
 117     Init();
 118     Create(doc, view, frame, id, title, pos, size, style, name);
 119 }
 120
 121 bool wxDocMDIChildFrame::Create(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID  id,
 122   const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
 123 {
 124     m_childDocument = doc;
 125     m_childView = view;
 126     if (wxMDIChildFrame::Create(frame, id, title, pos, size, style, name))
 127     {
 128         if (view)
 129             view->SetFrame(this);
 130         return true;
 131     }
 132
 133     return false;
 134 }
 135
 136 wxDocMDIChildFrame::~wxDocMDIChildFrame(void)
 137 {
 138     m_childView = (wxView *) NULL;
 139 }
 140
 141 // Extend event processing to search the view's event table
 142 bool wxDocMDIChildFrame::ProcessEvent(wxEvent& event)
 143 {
 144     static wxEvent *ActiveEvent = NULL;
 145
 146     // Break recursion loops
 147     if (ActiveEvent == &event)
 148         return false;
 149
 150     ActiveEvent = &event;
 151
 152     bool ret;
 153     if ( !m_childView || ! m_childView->ProcessEvent(event) )
 154     {
 155         // Only hand up to the parent if it's a menu command
 156         if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
 157             ret = wxEvtHandler::ProcessEvent(event);
 158         else
 159             ret = true;
 160     }
 161     else
 162         ret = true;
 163
 164     ActiveEvent = NULL;
 165     return ret;
 166 }
 167
 168 void wxDocMDIChildFrame::OnActivate(wxActivateEvent& event)
 169 {
 170   wxMDIChildFrame::OnActivate(event);
 171
 172   if (event.GetActive() && m_childView)
 173     m_childView->Activate(event.GetActive());
 174 }
 175
 176 void wxDocMDIChildFrame::OnCloseWindow(wxCloseEvent& event)
 177 {
 178   // Close view but don't delete the frame while doing so!
 179   // ...since it will be deleted by wxWidgets if we return true.
 180   if (m_childView)
 181   {
 182     bool ans = event.CanVeto()
 183                 ? m_childView->Close(false) // false means don't delete associated window
 184                 : true; // Must delete.
 185
 186     if (ans)
 187     {
 188       m_childView->Activate(false);
 189       delete m_childView;
 190       m_childView = (wxView *) NULL;
 191       m_childDocument = (wxDocument *) NULL;
 192
 193       this->Destroy();
 194     }
 195     else
 196         event.Veto();
 197   }
 198   else
 199     event.Veto();
 200 }
 201
 202 #endif
 203     // wxUSE_DOC_VIEW_ARCHITECTURE
 204