DOCUMENT.CPP
资源名称:MSDN_VC98.zip [点击查看]
上传用户:bangxh
上传日期:2007-01-31
资源大小:42235k
文件大小:6k
源码类别:
Windows编程
开发平台:
Visual C++
- /*
- * DOCUMENT.CPP
- * Patron Chapter 1
- *
- * Implementation of the CPatronDoc derivation of CDocument that
- * manages pages for us.
- *
- * Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved
- *
- * Kraig Brockschmidt, Microsoft
- * Internet : kraigb@microsoft.com
- * Compuserve: >INTERNET:kraigb@microsoft.com
- */
- #include "patron.h"
- #include <memory.h>
- #include <dlgs.h> //Pring Dlg button IDs
- /*
- * CPatronDoc::CPatronDoc
- * CPatronDoc::~CPatronDoc
- *
- * Constructor Parameters:
- * hInst HINSTANCE of the application.
- * pFR PCFrame of the frame object.
- * pAdv PCDocumentAdviseSink to notify on events.
- */
- CPatronDoc::CPatronDoc(HINSTANCE hInst, PCFrame pFR
- , PCDocumentAdviseSink pAdv)
- : CDocument(hInst, pFR, pAdv)
- {
- m_pPG=NULL;
- m_lVer=VERSIONCURRENT;
- return;
- }
- CPatronDoc::~CPatronDoc(void)
- {
- if (NULL!=m_pPG)
- delete m_pPG;
- return;
- }
- /*
- * CPatronDoc::Init
- *
- * Purpose:
- * Initializes an already created document window. The client
- * actually creates the window for us, then passes that here for
- * further initialization.
- *
- * Parameters:
- * pDI PDOCUMENTINIT containing initialization
- * parameters.
- *
- * Return Value:
- * BOOL TRUE if the function succeeded, FALSE otherwise.
- */
- BOOL CPatronDoc::Init(PDOCUMENTINIT pDI)
- {
- //Change the stringtable range to our customization.
- pDI->idsMin=IDS_DOCUMENTMIN;
- pDI->idsMax=IDS_DOCUMENTMAX;
- //Do default initialization
- if (!CDocument::Init(pDI))
- return FALSE;
- //Pages are created when we get a Load later.
- return TRUE;
- }
- /*
- * CPatronDoc::FMessageHook
- *
- * Purpose:
- * Processes WM_SIZE for the document so we can resize the Pages
- * window.
- *
- * Parameters:
- * <WndProc Parameters>
- * pLRes LRESULT * in which to store the return
- * value for the message.
- *
- * Return Value:
- * BOOL TRUE to prevent further processing,
- * FALSE otherwise.
- */
- BOOL CPatronDoc::FMessageHook(HWND hWnd, UINT iMsg, WPARAM wParam
- , LPARAM lParam, LRESULT *pLRes)
- {
- UINT dx, dy;
- RECT rc;
- *pLRes=0;
- //Eat to prevent flickering
- if (WM_ERASEBKGND==iMsg)
- return TRUE;
- if (WM_SIZE==iMsg && NULL!=m_pPG)
- {
- dx=LOWORD(lParam);
- dy=HIWORD(lParam);
- if (SIZE_MINIMIZED!=wParam)
- {
- //Resize Pages window to fit the new document size.
- GetClientRect(hWnd, &rc);
- m_pPG->RectSet(&rc, FALSE);
- }
- }
- /*
- * We return FALSE even on WM_SIZE so we can let the default
- * procedure handle maximized MDI child windows appropriately.
- */
- return FALSE;
- }
- /*
- * CPatronDoc::Clear
- *
- * Purpose:
- * Sets all contents in the document back to defaults with no
- * filename.
- *
- * Paramters:
- * None
- *
- * Return Value:
- * None
- */
- void CPatronDoc::Clear(void)
- {
- //Completely reset the pages
- m_pPG->New();
- CDocument::Clear();
- m_lVer=VERSIONCURRENT;
- return;
- }
- /*
- * CPatronDoc::Load
- *
- * Purpose:
- * Loads a given document without any user interface overwriting
- * the previous contents of the editor.
- *
- * Parameters:
- * fChangeFile BOOL indicating if we're to update the window
- * title and the filename from using this file.
- * pszFile LPTSTR to the filename to load. Could be NULL
- * for an untitled document.
- *
- * Return Value:
- * UINT An error value from DOCERR_*
- */
- UINT CPatronDoc::Load(BOOL fChangeFile, LPTSTR pszFile)
- {
- RECT rc;
- //We don't support opening anything yet.
- if (NULL!=pszFile)
- return DOCERR_NONE;
- //Attempt to create our contained Pages window.
- m_pPG=new CPages(m_hInst);
- GetClientRect(m_hWnd, &rc);
- if (!m_pPG->Init(m_hWnd, &rc, WS_CHILD | WS_VISIBLE
- , ID_PAGES, NULL))
- return DOCERR_NOFILE;
- //Go initialize the Pages for the default printer.
- if (!PrinterSetup(NULL, TRUE))
- return DOCERR_COULDNOTOPEN;
- Rename(NULL);
- //Go create an initial page.
- m_pPG->PageInsert(0);
- FDirtySet(FALSE);
- return DOCERR_NONE;
- }
- /*
- * CPatronDoc::NewPage
- *
- * Purpose:
- * Creates a new page in the document's pages control after the
- * current page.
- *
- * Parameters:
- * None
- *
- * Return Value:
- * UINT Index of the new page.
- */
- UINT CPatronDoc::NewPage(void)
- {
- FDirtySet(TRUE);
- return m_pPG->PageInsert(0);
- }
- /*
- * CPatronDoc::DeletePage
- *
- * Purpose:
- * Deletes the current page from the document.
- *
- * Parameters:
- * None
- *
- * Return Value:
- * UINT Index of the now current page.
- */
- UINT CPatronDoc::DeletePage(void)
- {
- FDirtySet(TRUE);
- return m_pPG->PageDelete(0);
- }
- /*
- * CPatronDoc::NextPage
- *
- * Purpose:
- * Shows the next page in the pages window.
- *
- * Parameters:
- * None
- *
- * Return Value:
- * UINT Index of the new page.
- */
- UINT CPatronDoc::NextPage(void)
- {
- UINT iPage;
- iPage=m_pPG->CurPageGet();
- return m_pPG->CurPageSet(++iPage);
- }
- /*
- * CPatronDoc::PreviousPage
- *
- * Purpose:
- * Shows the previous page in the pages window.
- *
- * Parameters:
- * None
- *
- * Return Value:
- * UINT Index of the new page.
- */
- UINT CPatronDoc::PreviousPage(void)
- {
- UINT iPage;
- //If iPage is zero, then we wrap around to the end.
- iPage=m_pPG->CurPageGet();
- return m_pPG->CurPageSet(--iPage);
- }
- /*
- * CPatronDoc::FirstPage
- *
- * Purpose:
- * Shows the first page page in the pages window.
- *
- * Parameters:
- * None
- *
- * Return Value:
- * UINT Index of the new page.
- */
- UINT CPatronDoc::FirstPage(void)
- {
- return m_pPG->CurPageSet(0);
- }
- /*
- * CPatronDoc::LastPage
- *
- * Purpose:
- * Shows the last page in the pages window.
- *
- * Parameters:
- * None
- *
- * Return Value:
- * UINT Index of the last page.
- */
- UINT CPatronDoc::LastPage(void)
- {
- return m_pPG->CurPageSet(NOVALUE);
- }