mainfrm.cpp

c++系统开发实例精粹内附的80例源代码 环境:windows2000,c++6.0

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

#include "stdafx.h"
#include "$$root$$.h"
#include "$$root$$View.h"

#include "MainFrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
	ON_COMMAND_EX(CG_ID_VIEW_FILEVIEWBAR, OnBarCheck)
	ON_UPDATE_COMMAND_UI(CG_ID_VIEW_FILEVIEWBAR, OnUpdateControlBarMenu)
	ON_UPDATE_COMMAND_UI_RANGE(AFX_ID_VIEW_MINIMUM, AFX_ID_VIEW_MAXIMUM, OnUpdateViewStyles)
	ON_COMMAND_RANGE(AFX_ID_VIEW_MINIMUM, AFX_ID_VIEW_MAXIMUM, OnViewStyle)
	ON_COMMAND(ID_VIEW_TOGGLE, OnViewToggle)
	ON_UPDATE_COMMAND_UI(ID_VIEW_TOGGLE, OnUpdateViewToggle)
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_CAPS,
	ID_INDICATOR_NUM,
	ID_INDICATOR_SCRL,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}

	if (!m_wndCoolBar.Create(this,
		WS_CHILD|WS_VISIBLE|WS_BORDER|WS_CLIPSIBLINGS|WS_CLIPCHILDREN|
			RBS_TOOLTIPS|RBS_BANDBORDERS|RBS_VARHEIGHT))
	{
		TRACE0("Failed to create cool bar\n");
		return -1;		// fail to create
	}

	if (!m_wndFileViewBar.Create(this, CG_ID_VIEW_FILEVIEWBAR,
		_T("All Folders"), CSize(200,100), CBRS_LEFT))
	{
		TRACE0("Failed to create dialog bar m_wndFileViewBar\n");
		return -1;		// fail to create
	}
	
	SetInitialSize(125,125,225,225);
	m_wndFileViewBar.EnableDockingOnSizeBar(CBRS_ALIGN_ANY);
	EnableDockingSizeBar(CBRS_ALIGN_ANY);
	DockSizeBar(&m_wndFileViewBar);

	// install/load cool menus
	m_menuManager.Install(this);
	m_menuManager.LoadToolbar(IDR_MAINFRAME);

	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers


BOOL CMainFrame::PreTranslateMessage(MSG* pMsg) 
{
	return m_wndCoolBar.m_wndMenuBar.TranslateFrameMessage(pMsg) ?
		TRUE : CFrameWnd::PreTranslateMessage(pMsg);
}

void CMainFrame::OnUpdateViewStyles(CCmdUI* pCmdUI)
{
	// TODO: customize or extend this code to handle choices on the
	// View menu.

	C$$Safe_root$$View *pView = (C$$Safe_root$$View *) GetActiveView();

	// if the right-hand pane hasn't been created or isn't a view,
	// disable commands in our range

	if (pView == NULL)
		pCmdUI->Enable(FALSE);
	else
	{
		DWORD dwStyle = pView->GetStyle() & LVS_TYPEMASK;

		// if the command is ID_VIEW_LINEUP, only enable command
		// when we're in LVS_ICON or LVS_SMALLICON mode

		if (pCmdUI->m_nID == ID_VIEW_LINEUP)
		{
			if (dwStyle == LVS_ICON || dwStyle == LVS_SMALLICON)
				pCmdUI->Enable();
			else
				pCmdUI->Enable(FALSE);
		}
		else
		{
			// otherwise, use dots to reflect the style of the view
			pCmdUI->Enable();
			BOOL bChecked = FALSE;

			switch (pCmdUI->m_nID)
			{
			case ID_VIEW_DETAILS:
				bChecked = (dwStyle == LVS_REPORT);
				break;

			case ID_VIEW_SMALLICON:
				bChecked = (dwStyle == LVS_SMALLICON);
				break;

			case ID_VIEW_LARGEICON:
				bChecked = (dwStyle == LVS_ICON);
				break;

			case ID_VIEW_LIST:
				bChecked = (dwStyle == LVS_LIST);
				break;

			default:
				bChecked = FALSE;
				break;
			}

			pCmdUI->SetRadio(bChecked ? 1 : 0);
		}
	}
}


void CMainFrame::OnViewStyle(UINT nCommandID)
{
	// TODO: customize or extend this code to handle choices on the
	// View menu.
	C$$Safe_root$$View *pView = (C$$Safe_root$$View *) GetActiveView();

	// if the right-hand pane has been created and is a C$$Safe_root$$View,
	// process the menu commands...
	if (pView != NULL)
	{
		DWORD dwStyle = -1;

		switch (nCommandID)
		{
		case ID_VIEW_LINEUP:
			{
				// ask the list control to snap to grid
				CListCtrl& refListCtrl = pView->GetListCtrl();
				refListCtrl.Arrange(LVA_SNAPTOGRID);
			}
			break;

		// other commands change the style on the list control
		case ID_VIEW_DETAILS:
			dwStyle = LVS_REPORT;
			break;

		case ID_VIEW_SMALLICON:
			dwStyle = LVS_SMALLICON;
			break;

		case ID_VIEW_LARGEICON:
			dwStyle = LVS_ICON;
			break;

		case ID_VIEW_LIST:
			dwStyle = LVS_LIST;
			break;
		}

		// change the style; window will repaint automatically
		if (dwStyle != -1)
			pView->ModifyStyle(LVS_TYPEMASK, dwStyle);
	}
}

void CMainFrame::OnViewToggle() 
{
	C$$Safe_root$$View *pView = (C$$Safe_root$$View *) GetActiveView();
	DWORD dwStyle = pView->GetStyle() & LVS_TYPEMASK;

	switch (dwStyle)
	{
		case LVS_ICON:
			dwStyle = LVS_SMALLICON;
			break;

		case LVS_SMALLICON:
			dwStyle = LVS_LIST;
			break;

		case LVS_LIST:
			dwStyle = LVS_REPORT;
			break;

		case LVS_REPORT:
			dwStyle = LVS_ICON;
			break;

		default:
			dwStyle = -1;
			break;
	}

	// change the style; window will repaint automatically
	if (dwStyle != -1)
		pView->ModifyStyle(LVS_TYPEMASK, dwStyle);
}

void CMainFrame::OnUpdateViewToggle(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable();
}