Simple Document / View Architecture for WTL

// MainFrm.cpp : implmentation of the CMainFrame class
//
/////////////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "resource.h"

#include "aboutdlg.h"
#include "MDIAppView.h"
#include "ChildFrm.h"
#include "MainFrm.h"

BOOL CMainFrame::PreTranslateMessage(MSG* pMsg)
{
	if(CMDIFrameWindowImpl<CMainFrame>::PreTranslateMessage(pMsg))
		return TRUE;

	HWND hWnd = MDIGetActive();
	if(hWnd != NULL)
		return (BOOL)::SendMessage(hWnd, WM_FORWARDMSG, 0, (LPARAM)pMsg);

	return FALSE;
}

BOOL CMainFrame::OnIdle()
{
	UIUpdateToolBar();
	return FALSE;
}

LRESULT CMainFrame::OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{
	CreateSimpleToolBar();

	CreateSimpleStatusBar();

	CreateMDIClient();

	UIAddToolBar(m_hWndToolBar);
	UISetCheck(ID_VIEW_TOOLBAR, 1);
	UISetCheck(ID_VIEW_STATUS_BAR, 1);

	UIEnable (ID_BLACK, FALSE);
	UIEnable (ID_RED, FALSE);

	// register object for message filtering and idle updates
	CMessageLoop* pLoop = _Module.GetMessageLoop();
	ATLASSERT(pLoop != NULL);
	pLoop->AddMessageFilter(this);
	pLoop->AddIdleHandler(this);

	return 0;
}

LRESULT CMainFrame::OnFileExit(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{
	PostMessage(WM_CLOSE);
	return 0;
}

LRESULT CMainFrame::OnFileNew(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{
	CChildFrame* pChild = new CChildFrame;
	pChild->CreateEx(m_hWndClient);

	// TODO: add code to initialize document
	AddDocument (new CMyDoc ((CView*) &pChild->m_view, (CUpdateUIBase*) this));

	return 0;
}

LRESULT CMainFrame::OnViewToolBar(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{
	BOOL bVisible = !::IsWindowVisible(m_hWndToolBar);
	::ShowWindow(m_hWndToolBar, bVisible ? SW_SHOWNOACTIVATE : SW_HIDE);
	UISetCheck(ID_VIEW_TOOLBAR, bVisible);
	UpdateLayout();
	return 0;
}

LRESULT CMainFrame::OnViewStatusBar(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{
	BOOL bVisible = !::IsWindowVisible(m_hWndStatusBar);
	::ShowWindow(m_hWndStatusBar, bVisible ? SW_SHOWNOACTIVATE : SW_HIDE);
	UISetCheck(ID_VIEW_STATUS_BAR, bVisible);
	UpdateLayout();
	return 0;
}

LRESULT CMainFrame::OnAppAbout(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{
	CAboutDlg dlg;
	dlg.DoModal();
	return 0;
}

LRESULT CMainFrame::OnWindowCascade(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{
	MDICascade();
	return 0;
}

LRESULT CMainFrame::OnWindowTile(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{
	MDITile();
	return 0;
}

LRESULT CMainFrame::OnWindowArrangeIcons(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{
	MDIIconArrange();
	return 0;
}