GIS编程

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Visual C++

MainFrm.cpp：源码内容
							// MainFrm.cpp : implementation of the CMainFrame class
//
#include "stdafx.h"
#include "Draw.h"
#include "Drawdoc.h"
#include "Drawview.h"
#include "MainFrm.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CMainFrame
class CDrawDoc;
class CDrawView;
CMemFile pFile;
IMPLEMENT_DYNAMIC(CMainFrame, CMDIFrameWnd)
BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
	ON_WM_CREATE()
	ON_COMMAND(ID_EDIT_CC, OnEditCut)
	ON_COMMAND(ID_VIEW_TOOLBAR1, OnViewToolbar1)
	ON_UPDATE_COMMAND_UI(ID_VIEW_TOOLBAR1, OnUpdateViewToolbar1)
	ON_COMMAND(ID_WINDOW_NEW, OnWindowNew)
	ON_COMMAND(ID_VIEW_DATABASE, OnViewDatabase)
	//}}AFX_MSG_MAP
	// Global help commands
	ON_COMMAND(ID_HELP_FINDER, CMDIFrameWnd::OnHelpFinder)
	ON_COMMAND(ID_HELP, CMDIFrameWnd::OnHelp)
	ON_COMMAND(ID_CONTEXT_HELP, CMDIFrameWnd::OnContextHelp)
	ON_COMMAND(ID_DEFAULT_HELP, CMDIFrameWnd::OnHelpFinder)
END_MESSAGE_MAP()
static UINT BASED_CODE indicators[] =
{
	ID_SEPARATOR,
	ID_SEPARATOR,
	ID_SEPARATOR,
	ID_SEPARATOR,
};
/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction
CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	BOOL YN=pFile.Open("undo.dat",CFile::modeReadWrite|CFile::typeBinary|CFile::modeCreate);
	if(YN)
	{
		YN=FALSE;
		pFile.Write((unsigned char *)&YN,sizeof(YN));
	}
}
CMainFrame::~CMainFrame()
{
	pFile.Close();
}
int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CMDIFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.Create(this) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbarn");
		return -1;      // fail to create
	}
	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status barn");
		return -1;      // fail to create
	}
   //设置各指示器的风格和宽度
   m_wndStatusBar.SetPaneInfo(1,300,SBPS_NORMAL,180);
   m_wndStatusBar.SetPaneInfo(2,301,SBPS_NORMAL,80);
   m_wndStatusBar.SetPaneInfo(3,302,SBPS_NORMAL,80);
   m_wndStatusBar.SetPaneInfo(0,304,SBPS_STRETCH,80);
	// TODO: Remove this if you don't want tool tips or a resizeable toolbar
	m_wndToolBar.SetBarStyle(m_wndToolBar.GetBarStyle() |
		CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC);
	// TODO: Delete these three lines if you don't want the toolbar to
	//  be dockable
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);
	if (!m_wndToolBar1.Create(this) ||
		!m_wndToolBar1.LoadToolBar(IDR_TOOLBAR1))
	{
		TRACE0("Failed to create toolbarn");
		return -1;      // fail to create
	}
	m_wndToolBar1.SetBarStyle(m_wndToolBar1.GetBarStyle() |
		CBRS_FLOATING | CBRS_FLYBY );
	// TODO: Delete these three lines if you don't want the toolbar to
	//  be dockable
	m_wndToolBar1.EnableDocking(CBRS_ALIGN_LEFT);
	EnableDocking(CBRS_ALIGN_LEFT);
	DockControlBar(&m_wndToolBar1);
	if(!m_wndDlgBar.Create(this,IDD_DIALOGBAR,CBRS_TOP|CBRS_TOOLTIPS|CBRS_FLYBY,IDD_DIALOGBAR))
	{
		TRACE0("Failed to Create DialogBarn");
		return -1;
	}
	m_wndDlgBar.SetDlgItemText(IDC_EDIT1,"1");
	CComboBox *p_Com=(CComboBox *)m_wndDlgBar.GetDlgItem(IDC_COMBO1);
	p_Com->ResetContent();
	p_Com->AddString("PS_SOLID _________");
	p_Com->AddString("PS_DASH __ __ __ ");
	p_Com->AddString("PS_DOT _ _ _ _ _");
	p_Com->AddString("PS_DASHDOT _ __ _ __ _ __");
	p_Com->AddString("PS_DASHDOTDOT _ _ __ _ _ __");
	p_Com->AddString("PS_NULL _________");
	p_Com->AddString("PS_INSIDEEFRAME _________");
	p_Com->SetCurSel(0);
	return 0;
}
BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
	return CMDIFrameWnd::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics
#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CMDIFrameWnd::AssertValid();
}
void CMainFrame::Dump(CDumpContext& dc) const
{
	CMDIFrameWnd::Dump(dc);
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers
void CMainFrame::OnEditCut() 
{
	CDrawDoc *pDoc=(CDrawDoc *)GetActiveDocument();
	CDrawView* pView=(CDrawView *)GetActiveView();
	pView->Invalidate();
//	float x=pDoc->n_GraphSelect;
	// TODO: Add your command handler code here
	
}
void CMainFrame::OnViewToolbar1() 
{
	// TODO: Add your command handler code here
	BOOL bVisible=((m_wndToolBar1.GetStyle()&WS_VISIBLE)!=0);
	ShowControlBar(&m_wndToolBar1,!bVisible,FALSE);
	RecalcLayout();
}
void CMainFrame::OnUpdateViewToolbar1(CCmdUI* pCmdUI) 
{
	BOOL bVisible=((m_wndToolBar1.GetStyle()&WS_VISIBLE)!=0);
	pCmdUI->SetCheck(bVisible);
}
void CMainFrame::OnWindowNew() 
{
	// TODO: Add your command handler code here
	CMDIChildWnd* pActiveChild = MDIGetActive();
	CDocument* pDocument;
	if (pActiveChild == NULL ||
	  (pDocument = pActiveChild->GetActiveDocument()) == NULL)
	{
		TRACE0("Warning: No active document for WindowNew command.n");
		AfxMessageBox(AFX_IDP_COMMAND_FAILURE);
		return;     // command failed
	}
	CDrawApp* pApp=(CDrawApp*)AfxGetApp();	
	CDocTemplate* pTemplate =pApp->GetDocTemplate1();
	ASSERT_VALID(pTemplate);
	CFrameWnd* pFrame =pTemplate->CreateNewFrame(pDocument, pActiveChild);
	if (pFrame == NULL)
	{
		TRACE0("Warning: failed to create new frame.n");
		return;     // command failed
	}
	pTemplate->InitialUpdateFrame(pFrame, pDocument);
}
void CMainFrame::OnViewDatabase() 
{
	CMDIChildWnd* pActiveChild = MDIGetActive();
	CDocument* pDocument;
	if (pActiveChild == NULL ||
	  (pDocument = pActiveChild->GetActiveDocument()) == NULL)
	{
		TRACE0("Warning: No active document for WindowNew command.n");
		AfxMessageBox(AFX_IDP_COMMAND_FAILURE);
		return;     // command failed
	}
	CDrawApp* pApp=(CDrawApp*)AfxGetApp();	
	CDocTemplate* pTemplate =pApp->GetDocTemplate1();
	ASSERT_VALID(pTemplate);
	CFrameWnd* pFrame =pTemplate->CreateNewFrame(pDocument, pActiveChild);
	if (pFrame == NULL)
	{
		TRACE0("Warning: failed to create new frame.n");
		return;     // command failed
	}
	pTemplate->InitialUpdateFrame(pFrame, pDocument);
}

						