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docmdi.cpp
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C/C++ Source or Header
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2002-07-30
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5KB
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171 lines
/////////////////////////////////////////////////////////////////////////////
// Name: docmdi.cpp
// Purpose: Frame classes for MDI document/view applications
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id: docmdi.cpp,v 1.16 2002/07/22 14:46:41 DW Exp $
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "docmdi.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_MDI_ARCHITECTURE && wxUSE_DOC_VIEW_ARCHITECTURE
#include "wx/docmdi.h"
/*
* Docview MDI parent frame
*/
IMPLEMENT_CLASS(wxDocMDIParentFrame, wxMDIParentFrame)
BEGIN_EVENT_TABLE(wxDocMDIParentFrame, wxMDIParentFrame)
EVT_MENU(wxID_EXIT, wxDocMDIParentFrame::OnExit)
EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocMDIParentFrame::OnMRUFile)
EVT_CLOSE(wxDocMDIParentFrame::OnCloseWindow)
END_EVENT_TABLE()
wxDocMDIParentFrame::wxDocMDIParentFrame(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title,
const wxPoint& pos, const wxSize& size, long style, const wxString& name):
wxMDIParentFrame(frame, id, title, pos, size, style, name)
{
m_docManager = manager;
}
void wxDocMDIParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
{
Close();
}
void wxDocMDIParentFrame::OnMRUFile(wxCommandEvent& event)
{
wxString f(m_docManager->GetHistoryFile(event.GetId() - wxID_FILE1));
if (f != wxT(""))
(void)m_docManager->CreateDocument(f, wxDOC_SILENT);
}
// Extend event processing to search the view's event table
bool wxDocMDIParentFrame::ProcessEvent(wxEvent& event)
{
// Try the document manager, then do default processing
if (!m_docManager || !m_docManager->ProcessEvent(event))
return wxEvtHandler::ProcessEvent(event);
else
return TRUE;
}
void wxDocMDIParentFrame::OnCloseWindow(wxCloseEvent& event)
{
if (m_docManager->Clear(!event.CanVeto()))
{
this->Destroy();
}
else
event.Veto();
}
/*
* Default document child frame for MDI children
*/
IMPLEMENT_CLASS(wxDocMDIChildFrame, wxMDIChildFrame)
BEGIN_EVENT_TABLE(wxDocMDIChildFrame, wxMDIChildFrame)
EVT_ACTIVATE(wxDocMDIChildFrame::OnActivate)
EVT_CLOSE(wxDocMDIChildFrame::OnCloseWindow)
END_EVENT_TABLE()
wxDocMDIChildFrame::wxDocMDIChildFrame(wxDocument *doc, wxView *view, wxMDIParentFrame *frame, wxWindowID id,
const wxString& title, const wxPoint& pos, const wxSize& size, long style, const wxString& name):
wxMDIChildFrame(frame, id, title, pos, size, style, name)
{
m_childDocument = doc;
m_childView = view;
if (view)
view->SetFrame(this);
}
wxDocMDIChildFrame::~wxDocMDIChildFrame(void)
{
m_childView = (wxView *) NULL;
}
// Extend event processing to search the view's event table
bool wxDocMDIChildFrame::ProcessEvent(wxEvent& event)
{
static wxEvent *ActiveEvent = NULL;
// Break recursion loops
if (ActiveEvent == &event)
return FALSE;
ActiveEvent = &event;
bool ret;
if ( !m_childView || ! m_childView->ProcessEvent(event) )
{
// Only hand up to the parent if it's a menu command
if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event))
ret = wxEvtHandler::ProcessEvent(event);
else
ret = TRUE;
}
else
ret = TRUE;
ActiveEvent = NULL;
return ret;
}
void wxDocMDIChildFrame::OnActivate(wxActivateEvent& event)
{
wxMDIChildFrame::OnActivate(event);
if (event.GetActive() && m_childView)
m_childView->Activate(event.GetActive());
}
void wxDocMDIChildFrame::OnCloseWindow(wxCloseEvent& event)
{
// Close view but don't delete the frame while doing so!
// ...since it will be deleted by wxWindows if we return TRUE.
if (m_childView)
{
bool ans = FALSE;
if (!event.CanVeto())
ans = TRUE; // Must delete.
else
ans = m_childView->Close(FALSE); // FALSE means don't delete associated window
if (ans)
{
m_childView->Activate(FALSE);
delete m_childView;
m_childView = (wxView *) NULL;
m_childDocument = (wxDocument *) NULL;
this->Destroy();
}
else
event.Veto();
}
else
event.Veto();
}
#endif
// wxUSE_DOC_VIEW_ARCHITECTURE