DOCUMENT.CPP
/*
* DOCUMENT.CPP
* Patron Chapter 21
*
* 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;
m_pIStorage=NULL;
m_fPrintSetup=TRUE;
m_pDropTarget=NULL;
//These CFSTR_* values are standard (defined in INC\CLASSLIB.H)
m_cfEmbeddedObject=RegisterClipboardFormat
(CFSTR_EMBEDDEDOBJECT);
m_cfObjectDescriptor=RegisterClipboardFormat
(CFSTR_OBJECTDESCRIPTOR);
//CHAPTER20MOD
m_cfLinkSource=RegisterClipboardFormat(CFSTR_LINKSOURCE);
m_cfLinkSrcDescriptor=RegisterClipboardFormat
(CFSTR_LINKSRCDESCRIPTOR);
m_fShowTypes=FALSE;
//CHAPTER21MOD
m_cRef=1L;
m_fRename=TRUE;
m_dwRegROT=0L;
m_dwRegROTWild=0L;
m_pImpIPersistFile=NULL;
m_pImpIOleItemContainer=NULL;
//End CHAPTER21MOD
return;
}
CPatronDoc::~CPatronDoc(void)
{
//CHAPTER21MOD
INOLE_RevokeAsRunning(&m_dwRegROT);
INOLE_RevokeAsRunning(&m_dwRegROTWild);
DeleteInterfaceImp(m_pImpIPersistFile);
DeleteInterfaceImp(m_pImpIOleItemContainer);
//End CHAPTER21MOD
if (NULL!=m_pPG)
delete m_pPG;
ReleaseInterface(m_pIStorage);
CoFreeUnusedLibraries();
return;
}
//CHAPTER21MOD
/*
* CPatronDoc::QueryInterface
* CPatronDoc::AddRef
* CPatronDoc::Release
*/
STDMETHODIMP CPatronDoc::QueryInterface(REFIID riid, PPVOID ppv)
{
*ppv=NULL;
/*
* WARNING: Because the *ppv=this implicitly does
* *ppv=(LPVOID)this, the this pointer is incorrectly cast
* from a CPatronDoc pointer to LPVOID where we want an
* IUnknown pointer instead. CPatronDoc uses multiple
* inheritance here which means that we have to explicitly
* provide the typecast to select the base class like
* IUnknown. If you don't do this, calls to AddRef, for
* example, might call your desctructor!
*/
if (IID_IUnknown==riid)
*ppv=(LPUNKNOWN)this;
if (IID_IOleItemContainer==riid || IID_IOleContainer==riid
|| IID_IParseDisplayName==riid)
*ppv=m_pImpIOleItemContainer;
if (IID_IPersistFile==riid || IID_IPersist==riid)
*ppv=m_pImpIPersistFile;
if (NULL!=*ppv)
{
((LPUNKNOWN)*ppv)->AddRef();
return NOERROR;
}
return ResultFromScode(E_NOINTERFACE);
}
STDMETHODIMP_(ULONG) CPatronDoc::AddRef(void)
{
return ++m_cRef;
}
STDMETHODIMP_(ULONG) CPatronDoc::Release(void)
{
if (0!=--m_cRef)
return m_cRef;
PostMessage(m_hWnd, WM_CLOSE, 0, 0);
return 0;
}
//End CHAPTER21MOD
/*
* 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.
//CHAPTER21MOD
//Instantiate our interfaces
m_pImpIPersistFile=new CImpIPersistFile(this, this);
if (NULL==m_pImpIPersistFile)
return FALSE;
m_pImpIOleItemContainer=new CImpIOleItemContainer(this, this
, TRUE);
if (NULL==m_pImpIOleItemContainer)
return FALSE;
//End CHAPTER21MOD
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);
}
}
if (WM_DESTROY==iMsg)
{
/*
* We have to revoke the drop target here because the window
* will be destroyed and the property forcefully removed
* before we could do this in the destructor.
*/
if (NULL!=m_pDropTarget)
{
RevokeDragDrop(m_hWnd);
CoLockObjectExternal(m_pDropTarget, FALSE, TRUE);
m_pDropTarget->Release();
}
return 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
if (NULL!=m_pPG)
m_pPG->StorageSet(NULL, FALSE, FALSE);
CDocument::Clear();
m_lVer=VERSIONCURRENT;
return;
}
//CHAPTER21MOD
/*
* CPatronDoc::FDirtySet
*
* Purpose:
* Sets or clears the document 'dirty' flag returning the previous
* state of that same flag. We override this to note change
* times in the running object table.
*
* Parameters:
* fDirty BOOL indicating the new contents of the dirty
* flag.
*
* Return Value:
* BOOL Previous value of the dirty flag.
*/
BOOL CPatronDoc::FDirtySet(BOOL fDirty)
{
BOOL fRet;
fRet=CDocument::FDirtySet(fDirty);
INOLE_NoteChangeTime(m_dwRegROT, NULL, NULL);
INOLE_NoteChangeTime(m_dwRegROTWild, NULL, NULL);
return fRet;
}
//End CHAPTER21MOD
/*
* CPatronDoc::FDirtyGet
*
* Purpose:
* Returns the current dirty status of the document.
*
* Parameters:
* None
*
* Return Value:
* BOOL TRUE if the file is clean, FALSE otherwise.
*/
BOOL CPatronDoc::FDirtyGet()
{
BOOL fPageDirty;
fPageDirty=m_pPG->FIsDirty();
return m_fDirty | fPageDirty;
}
/*
* CPatronDoc::Delete
*
* Purpose:
* Removed the current object from the document.
*
* Paramters:
* None
*
* Return Value:
* None
*/
void CPatronDoc::Delete(void)
{
if (NULL!=m_pPG)
m_pPG->TenantDestroy();
CoFreeUnusedLibraries();
return;
}
/*
* CPatronDoc::FQueryObjectSelected
*
* Purpose:
* Returns whether or not there is an object selected in this
* document for Cut, Copy, Delete functions.
*
* Parameters:
* hMenu HMENU of the Edit menu.
*
* Return Value:
* BOOL TRUE if we have an object, FALSE otherwise.
*/
BOOL CPatronDoc::FQueryObjectSelected(HMENU hMenu)
{
return m_pPG->FQueryObjectSelected(hMenu);
}
/*
* 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;
LPSTORAGE pIStorage;
HRESULT hr;
CLSID clsID;
DWORD dwMode=STGM_TRANSACTED | STGM_READWRITE
| STGM_SHARE_EXCLUSIVE;
//CHAPTER21MOD
LPMONIKER pmk;
//End CHAPTER21MOD
if (NULL==pszFile)
{
//Create a new temp file.
hr=StgCreateDocfile(NULL, dwMode | STGM_CREATE
| STGM_DELETEONRELEASE, 0, &pIStorage);
//Mark this our class since we check with ReadClassStg.
if (SUCCEEDED(hr))
WriteClassStg(pIStorage, CLSID_PatronPages);
}
else
{
hr=StgOpenStorage(pszFile, NULL, dwMode, NULL, 0, &pIStorage);
}
if (FAILED(hr))
return DOCERR_COULDNOTOPEN;
//Check if this is our type of file and exit if not.
hr=ReadClassStg(pIStorage, &clsID);
if (FAILED(hr) || CLSID_PatronPages!=clsID)
{
pIStorage->Release();
return DOCERR_READFAILURE;
}
//Attempt to create our contained Pages window.
m_pPG=new CPages(m_hInst, m_cf);
GetClientRect(m_hWnd, &rc);
if (!m_pPG->Init(m_hWnd, &rc, WS_CHILD | WS_VISIBLE
, ID_PAGES, NULL))
{
pIStorage->Release();
return DOCERR_READFAILURE;
}
//CHAPTER21MOD
/*
* This moniker registration insures that all the file opening
* sequence will see this instance of the document as running
* and be able to communicate with it. This is so a link to
* an embedding on the same page of this document will hook
* up correctly.
*/
if (NULL!=pszFile)
{
CreateFileMoniker(pszFile, &pmk);
if (NULL!=pmk)
{
//This will be revoked and re-registered in Rename below
INOLE_RegisterAsRunning(this, pmk, 0, &m_dwRegROT);
pmk->Release();
}
}
//End CHAPTER21MOD
if (!m_pPG->StorageSet(pIStorage, FALSE, (NULL==pszFile)))
{
pIStorage->Release();
return DOCERR_READFAILURE;
}
//Open the window up for drag-drop
m_pDropTarget=new CDropTarget(this);
if (NULL!=m_pDropTarget)
{
m_pDropTarget->AddRef();
CoLockObjectExternal(m_pDropTarget, TRUE, FALSE);
RegisterDragDrop(m_hWnd, m_pDropTarget);
}
m_pIStorage=pIStorage;
Rename(pszFile);
//Do initial setup if new file, otherwise Pages handles things.
if (NULL==pszFile)
{
//Go initialize the Pages for the default printer.
if (!PrinterSetup(NULL, TRUE))
return DOCERR_COULDNOTOPEN;
//Go create an initial page.
m_pPG->PageInsert(0);
}
else
{
//Can't change an already saved configuration
m_fPrintSetup=FALSE;
}
FDirtySet(FALSE);
return DOCERR_NONE;
}
/*
* CPatronDoc::Save
*
* Purpose:
* Writes the file to a known filename, requiring that the user
* has previously used FileOpen or FileSaveAs in order to have
* a filename.
*
* Parameters:
* uType UINT indicating the type of file the user
* requested to save in the File Save As dialog.
* pszFile LPTSTR under which to save. If NULL, use the
* current name.
*
* Return Value:
* UINT An error value from DOCERR_*
*/
UINT CPatronDoc::Save(UINT uType, LPTSTR pszFile)
{
HRESULT hr;
LPSTORAGE pIStorage;
//Save or Save As with the same file is just a commit.
if (NULL==pszFile
|| (NULL!=pszFile && 0==lstrcmpi(pszFile, m_szFile)))
{
WriteFmtUserTypeStg(m_pIStorage, m_cf
, PSZ(IDS_CLIPBOARDFORMAT));
//Insure pages are up to date.
m_pPG->StorageUpdate(FALSE);
//Commit everyting
m_pIStorage->Commit(STGC_DEFAULT);
FDirtySet(FALSE);
return DOCERR_NONE;
}
/*
* When we're given a name, open the storage, creating it new
* if it does not exist or overwriting the old one. Then CopyTo
* from the current to the new, Commit the new, Release the old.
*/
hr=StgCreateDocfile(pszFile, STGM_TRANSACTED | STGM_READWRITE
| STGM_CREATE | STGM_SHARE_EXCLUSIVE, 0, &pIStorage);
if (FAILED(hr))
return DOCERR_COULDNOTOPEN;
WriteClassStg(pIStorage, CLSID_PatronPages);
WriteFmtUserTypeStg(pIStorage, m_cf, PSZ(IDS_CLIPBOARDFORMAT));
//Insure all pages are up-to-date.
m_pPG->StorageUpdate(TRUE);
//This also copies the CLSID we stuff in here on file creation.
hr=m_pIStorage->CopyTo(NULL, NULL, NULL, pIStorage);
if (FAILED(hr))
{
SCODE sc;
pIStorage->Release();
sc=GetScode(hr);
/*
* If we failed because of low memory, use IRootStorage
* to switch into the new file.
*/
if (E_OUTOFMEMORY==sc)
{
LPROOTSTORAGE pIRoot;
//Delete file we already created
DeleteFile(pszFile);
if (FAILED(m_pIStorage->QueryInterface
(IID_IRootStorage, (PPVOID)&pIRoot)))
return DOCERR_WRITEFAILURE;
#ifdef WIN32ANSI
OLECHAR szTemp[MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, pszFile, -1, szTemp, MAX_PATH);
hr=pIRoot->SwitchToFile(szTemp);
#else
hr=pIRoot->SwitchToFile(pszFile);
#endif
pIRoot->Release();
if (FAILED(hr))
return DOCERR_WRITEFAILURE;
//If successful, the Commit below finishes the save.
pIStorage=m_pIStorage;
m_pIStorage->AddRef(); //Matches Release below
}
}
//CHAPTER21MOD
if (m_fRename)
Rename(pszFile); //Update caption bar.
//End CHAPTER21MOD
pIStorage->Commit(STGC_DEFAULT);
/*
* Revert changes on the original storage. If this was a temp
* file, it's deleted since we used STGM_DELETEONRELEASE.
*/
m_pIStorage->Release();
//Make this new storage current
m_pIStorage=pIStorage;
m_pPG->StorageSet(pIStorage, TRUE, FALSE);
FDirtySet(FALSE);
return DOCERR_NONE;
}
/*
* CPatronDoc::Clip
*
* Purpose:
* Places a private format, a metafile, and a bitmap of the display
* on the clipboard, optionally implementing Cut by deleting the
* data in the current window after rendering.
*
* Parameters:
* hWndFrame HWND of the main window.
* fCut BOOL indicating cut (TRUE) or copy (FALSE).
*
* Return Value:
* BOOL TRUE if successful, FALSE otherwise.
*/
BOOL CPatronDoc::Clip(HWND hWndFrame, BOOL fCut)
{
if (NULL==m_pPG)
return FALSE;
return m_pPG->TenantClip(fCut);
}
/*
* CPatronDoc::Paste
*
* Purpose:
* Retrieves the private data format from the clipboard and sets it
* to the current figure in the editor window.
*
* Note that if this function is called, then the clipboard format
* is available because the Paste menu item is only enabled if the
* format is present.
*
* Parameters:
* hWndFrame HWND of the main window.
*
* Return Value:
* BOOL TRUE if successful, FALSE otherwise.
*/
BOOL CPatronDoc::Paste(HWND hWndFrame)
{
LPDATAOBJECT pIDataObject;
BOOL fRet=FALSE;
FORMATETC fe;
TENANTTYPE tType;
if (NULL==m_pPG)
return FALSE;
if (FAILED(OleGetClipboard(&pIDataObject)))
return FALSE;
//Go get type and format we *can* paste, then actually paste it.
if (FQueryPasteFromData(pIDataObject, &fe, &tType))
{
fRet=PasteFromData(pIDataObject, &fe, tType, NULL
, 0L, TRUE);
}
pIDataObject->Release();
return fRet;
}
/*
* CPatronDoc::FQueryPaste
*
* Purpose:
* Determines if we can paste data from the clipboard.
*
* Parameters:
* None
*
* Return Value:
* BOOL TRUE if data is available, FALSE otherwise.
*/
BOOL CPatronDoc::FQueryPaste(void)
{
LPDATAOBJECT pIDataObject;
BOOL fRet;
if (FAILED(OleGetClipboard(&pIDataObject)))
return FALSE;
fRet=FQueryPasteFromData(pIDataObject, NULL, NULL);
fRet |= FQueryPasteLinkFromData(pIDataObject, NULL, NULL);
pIDataObject->Release();
return fRet;
}
/*
* CPatronDoc::PasteSpecial
*
* Purpose:
* Retrieves a specific data format from the clipboard and sends
* it to the editor window appropriately.
*
* Note that if this function is called, then the appropriate
* format is available because the Paste menu item is only
* enabled if the format is present.
*
* Parameters:
* hWndFrame HWND of the main window
*
* Return Value:
* BOOL TRUE if successful, FALSE otherwise.
*/
BOOL CPatronDoc::PasteSpecial(HWND hWndFrame)
{
OLEUIPASTESPECIAL ps;
OLEUIPASTEENTRY rgPaste[6];
UINT rgcf[1]; //For ps.m_arrLinkTypes
DWORD dwData=0;
UINT uTemp;
BOOL fRet=FALSE;
if (NULL==m_pPG)
return FALSE;
memset(&ps, 0, sizeof(ps));
if (FAILED(OleGetClipboard(&ps.lpSrcDataObj)))
return FALSE;
ps.cbStruct=sizeof(ps);
ps.hWndOwner=hWndFrame;
ps.dwFlags=PSF_SELECTPASTE;
ps.arrPasteEntries=rgPaste;
//Set up Paste Special descriptor arrays.
SETDefFormatEtc(rgPaste[0].fmtetc, m_cf, TYMED_HGLOBAL);
rgPaste[0].lpstrFormatName=PSZ(IDS_CLIPBOARDFORMAT);
rgPaste[0].lpstrResultText=PSZ(IDS_PASTEASPATRON);
rgPaste[0].dwFlags=OLEUIPASTE_PASTEONLY;
//Embedded objects can be iconic displays if the user wants.
SETDefFormatEtc(rgPaste[1].fmtetc, m_cfEmbeddedObject
, TYMED_ISTORAGE);
rgPaste[1].lpstrFormatName=PSZ(IDS_PASTEOBJECT);
rgPaste[1].lpstrResultText=PSZ(IDS_PASTEASOBJECT);
/*
* CAUTION: Use OLEUI_PASTE with embedded objects or else
* this item will not show up in the dialog. I learned this the
* hard way (that is, after about 6 hours of pulling hair!).
*/
rgPaste[1].dwFlags=OLEUIPASTE_PASTE | OLEUIPASTE_ENABLEICON;
SETDefFormatEtc(rgPaste[2].fmtetc,CF_METAFILEPICT,TYMED_MFPICT);
rgPaste[2].lpstrFormatName=PSZ(IDS_PASTEMETAFILE);
rgPaste[2].lpstrResultText=PSZ(IDS_PASTEASMETAFILE);
rgPaste[2].dwFlags=OLEUIPASTE_PASTEONLY;
SETDefFormatEtc(rgPaste[3].fmtetc, CF_DIB, TYMED_HGLOBAL);
rgPaste[3].lpstrFormatName=PSZ(IDS_PASTEDIB);
rgPaste[3].lpstrResultText=PSZ(IDS_PASTEASDIB);
rgPaste[3].dwFlags=OLEUIPASTE_PASTEONLY;
SETDefFormatEtc(rgPaste[4].fmtetc, CF_BITMAP, TYMED_GDI);
rgPaste[4].lpstrFormatName=PSZ(IDS_PASTEBITMAP);
rgPaste[4].lpstrResultText=PSZ(IDS_PASTEASBITMAP);
rgPaste[4].dwFlags=OLEUIPASTE_PASTEONLY;
SETDefFormatEtc(rgPaste[5].fmtetc,m_cfLinkSource,TYMED_ISTREAM);
rgPaste[5].lpstrFormatName=PSZ(IDS_PASTELINK);
rgPaste[5].lpstrResultText=PSZ(IDS_PASTEASLINK);
rgPaste[5].dwFlags=OLEUIPASTE_LINKTYPE1 | OLEUIPASTE_ENABLEICON;
//Types we can Paste Link from the clipboard.
rgcf[0]=m_cfLinkSource;
ps.arrLinkTypes=rgcf;
ps.cLinkTypes=1;
ps.cPasteEntries=6;
uTemp=OleUIPasteSpecial(&ps);
if (OLEUI_OK==uTemp)
{
UINT i=ps.nSelectedIndex;
TENANTTYPE tType;
if (ps.fLink)
tType=TENANTTYPE_LINKEDOBJECTFROMDATA;
else
{
if (1==ps.nSelectedIndex)
tType=TENANTTYPE_EMBEDDEDOBJECTFROMDATA;
else
tType=TENANTTYPE_STATIC;
}
//Handle iconic aspects...from links as well
if ((1==i || ps.fLink) && (PSF_CHECKDISPLAYASICON
& ps.dwFlags) && NULL!=ps.hMetaPict)
{
rgPaste[i].fmtetc.dwAspect=DVASPECT_ICON;
dwData=(DWORD)(UINT)ps.hMetaPict;
}
fRet=PasteFromData(ps.lpSrcDataObj, &rgPaste[i].fmtetc
, tType, NULL, dwData, FALSE);
//Always free this regardless of what we do with it.
INOLE_MetafilePictIconFree(ps.hMetaPict);
}
ps.lpSrcDataObj->Release();
return fRet;
}
/*
* CPatronDoc::FQueryPasteFromData
* (Protected)
*
* Purpose:
* Determines if we can paste data from a data object.
*
* Parameters:
* pIDataObject LPDATAOBJECT from which we might want to paste.
* pFE LPFORMATETC in which to return the first format
* we can use. Ignored if NULL.
* ptType PTENANTTYPE in which to store the type of
* object we can paste. Ignored if NULL.
*
* Return Value:
* BOOL TRUE if data is available, FALSE otherwise.
*/
BOOL CPatronDoc::FQueryPasteFromData(LPDATAOBJECT pIDataObject
, LPFORMATETC pFE, PTENANTTYPE ptType)
{
FORMATETC fe;
HRESULT hr, hr2;
if (NULL!=(LPVOID)ptType)
*ptType=TENANTTYPE_STATIC;
//Any of our specific data here?
SETDefFormatEtc(fe, m_cf, TYMED_HGLOBAL);
hr=pIDataObject->QueryGetData(&fe);
//If embedded object data is available, set the appropriate type
hr2=OleQueryCreateFromData(pIDataObject);
if (NOERROR==hr2)
{
if (NULL!=pFE)
{
/*
* Default to content. Paste will use
* CFSTR_OBJECTDESCRIPTOR to figure the actual aspect.
*/
SETDefFormatEtc(*pFE, m_cfEmbeddedObject
, TYMED_ISTORAGE);
}
if (NULL!=(LPVOID)ptType)
*ptType=TENANTTYPE_EMBEDDEDOBJECTFROMDATA;
/*
* Return now if PatronObject wasn't available, otherwise
* break out so that pFE gets PatronObject format.
*/
if (NOERROR!=hr)
return TRUE;
}
if (NOERROR!=hr && NOERROR!=hr2)
{
//Try metafile, DIB, then bitmap, setting fe each time
SETDefFormatEtc(fe, CF_METAFILEPICT, TYMED_MFPICT);
hr=pIDataObject->QueryGetData(&fe);
if (NOERROR!=hr)
{
SETDefFormatEtc(fe, CF_DIB, TYMED_HGLOBAL);
hr=pIDataObject->QueryGetData(&fe);
if (NOERROR!=hr)
{
SETDefFormatEtc(fe, CF_BITMAP, TYMED_GDI);
hr=pIDataObject->QueryGetData(&fe);
}
}
}
if (NOERROR==hr && NULL!=pFE)
*pFE=fe;
return (NOERROR==hr);
}
/*
* CPatronDoc::FQueryPasteLinkFromData
* (Protected)
*
* Purpose:
* Determines if we can paste link from a data object.
*
* Parameters:
* pIDataObject LPDATAOBJECT from which we might want to paste.
* pFE LPFORMATETC in which to return the first format
* we can use. Ignored if NULL.
* ptType PTENANTTYPE in which to store the type of object
* we can paste. Ignored if NULL.
*
* Return Value:
* BOOL TRUE if data is available, FALSE otherwise.
*/
BOOL CPatronDoc::FQueryPasteLinkFromData(LPDATAOBJECT pIDataObject
, LPFORMATETC pFE, PTENANTTYPE ptType)
{
HRESULT hr;
if (NULL==pIDataObject)
return FALSE;
hr=OleQueryLinkFromData(pIDataObject);
if (NOERROR!=hr)
return FALSE;
if (NULL!=pFE)
SETDefFormatEtc(*pFE, m_cfLinkSource, TYMED_ISTREAM);
if (NULL!=(LPVOID)ptType)
*ptType=TENANTTYPE_LINKEDOBJECTFROMDATA;
return TRUE;
}
/*
* CPatronDoc::PasteFromData
* (Protected)
*
* Purpose:
* Retrieves the private data format from a data object and sets
* it to the current figure in the editor window.
*
* Parameters:
* pIDataObject LPDATAOBJECT from which to paste.
* pFE LPFORMATETC to use in the paste. Cannot be NULL.
* tType TENANTTYPE to paste.
* ppo PPATRONOBJECT containing placement data.
* dwData DWORD extra data sensitive to tType
* fUseObjDesc BOOL indicating to use CFSTR_OBJECTDESCRIPTOR
* format for determining the aspect of the object
* if the format is available.
*
* Return Value:
* BOOL TRUE if successful, FALSE otherwise.
*/
BOOL CPatronDoc::PasteFromData(LPDATAOBJECT pIDataObject
, LPFORMATETC pFE, TENANTTYPE tType, PPATRONOBJECT ppo
, DWORD dwData, BOOL fUseObjDesc)
{
BOOL fRet;
HRESULT hr;
PATRONOBJECT po;
STGMEDIUM stm;
LPOBJECTDESCRIPTOR pOD;
FORMATETC fe;
BOOL fRelease=FALSE;
if (NULL==pFE)
return FALSE;
//If not given any placement data, see if we can retrieve it
if (pFE->cfFormat==m_cf && NULL==ppo)
{
hr=pIDataObject->GetData(pFE, &stm);
if (SUCCEEDED(hr))
{
ppo=(PPATRONOBJECT)GlobalLock(stm.hGlobal);
po=*ppo;
ppo=&po;
//If there's an object here, make sure type is right.
if (ppo->fe.cfFormat==m_cfEmbeddedObject)
tType=TENANTTYPE_EMBEDDEDOBJECTFROMDATA;
if (ppo->fe.cfFormat==m_cfLinkSource)
tType=TENANTTYPE_LINKEDOBJECTFROMDATA;
GlobalUnlock(stm.hGlobal);
ReleaseStgMedium(&stm);
}
}
/*
* If we're told to look at CFSTR_OBJECTDESCRIPTOR, then try to get
* the data and copy the aspect out of it. We're not interested
* in any other part of it, however.
*/
if (fUseObjDesc)
{
SETDefFormatEtc(fe, m_cfObjectDescriptor, TYMED_HGLOBAL);
hr=pIDataObject->GetData(&fe, &stm);
if (FAILED(hr))
{
SETDefFormatEtc(fe, m_cfLinkSrcDescriptor
, TYMED_HGLOBAL);
hr=pIDataObject->GetData(&fe, &stm);
}
if (SUCCEEDED(hr))
{
pOD=(LPOBJECTDESCRIPTOR)GlobalLock(stm.hGlobal);
pFE->dwAspect=pOD->dwDrawAspect;
if (NULL!=ppo)
ppo->fe.dwAspect=pFE->dwAspect;
GlobalUnlock(stm.hGlobal);
ReleaseStgMedium(&stm);
/*
* Furthermore, if pFE->dwAspect is DVASPECT_ICON, get
* the metafile which will always be the icon
* representation.
*/
SETFormatEtc(fe, CF_METAFILEPICT, DVASPECT_ICON, NULL
, TYMED_MFPICT, -1);
if (SUCCEEDED(pIDataObject->GetData(&fe, &stm)))
{
dwData=(DWORD)(UINT)stm.hGlobal;
fRelease=TRUE;
}
}
}
fRet=m_pPG->TenantCreate(tType, pIDataObject, pFE, ppo, dwData);
//Release the stm from the last GetData
if (fRelease)
ReleaseStgMedium(&stm);
if (fRet)
{
//Disable Printer Setup once we've created a tenant.
m_fPrintSetup=FALSE;
FDirtySet(TRUE);
}
return fRet;
}
/*
* CPatronDoc::FQueryEnableEditLinks
*
* Purpose:
* Determines whether or not the Edit Links menu item should be
* enabled on the frame window menu.
*
* Parameters:
* None
*
* Return Value:
* BOOL TRUE to enable the item, FALSE otherwise.
*/
BOOL CPatronDoc::FQueryEnableEditLinks(void)
{
return m_pPG->FQueryLinksInPage();
}
/*
* CPatronDoc::EditLinks
*
* Purpose:
* Invokes the links dialog in which the end-user can manipulate
* all the links in the current page.
*
* Parameters:
* hWndFrame HWND of the frame window to use as the dialog
* parent.
*
* Return Value:
* BOOL TRUE if the function was successful,
* FALSE otherwise.
*/
BOOL CPatronDoc::EditLinks(HWND hWndFrame)
{
UINT uRet;
OLEUIEDITLINKS el;
PCIOleUILinkContainer pIUILinks;
memset(&el, 0, sizeof(el));
el.cbStruct=sizeof(el);
el.hWndOwner=hWndFrame;
if (!m_pPG->GetUILinkContainer(&pIUILinks))
return FALSE;
el.lpOleUILinkContainer=pIUILinks;
uRet=OleUIEditLinks(&el);
//Only the IOleUILinkContainer interface will know dirtying.
m_fDirty=pIUILinks->m_fDirty;
el.lpOleUILinkContainer->Release();
return TRUE;
}
/*
* CPatronDoc::ShowOrQueryObjectTypes
*
* Purpose:
* If querying, we return whether or not ShowObjects is active
* in this document. Otherwise pass-through to
* CPages::ShowObjectTypes.
*
* Parameters:
* fQuery BOOL indicating query or set.
* fShow BOOL indicating to show the type or not.
*
* Return Value:
* None
*/
BOOL CPatronDoc::ShowOrQueryObjectTypes(BOOL fQuery, BOOL fShow)
{
if (fQuery)
return m_fShowTypes;
m_fShowTypes=fShow;
m_pPG->ShowObjectTypes(fShow);
return TRUE;
}
/*
* 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);
}
/*
* CPatronDoc::Rename
*
* Purpose:
* Overrides the normal rename to include notification of tenants
* in this document of the new name. This is so embedded objects
* are told the correct name through IOleObject::SetHostNames.
*
* Parameters:
* pszFile LPTSTR to the new filename.
*
* Return Value:
* None
*/
void CPatronDoc::Rename(LPTSTR pszFile)
{
LPMONIKER pmk;
//We don't need to change the base class, just augment...
CDocument::Rename(pszFile);
//CHAPTER21MOD
//Unregister the old moniker (m_dwRegROT set to zero).
INOLE_RevokeAsRunning(&m_dwRegROT);
if (NULL==pszFile)
return;
CreateFileMoniker(pszFile, &pmk);
if (NULL!=pmk)
{
LPMONIKER pmkAll;
INOLE_RegisterAsRunning(this, pmk
, ROTFLAGS_REGISTRATIONKEEPSALIVE, &m_dwRegROT);
//Give a moniker to linked objects in tenants.
m_pPG->NotifyTenantsOfRename(pszFile, pmk);
//Register a File!"\" wildcard moniker as well
CreateItemMoniker(TEXT("!"), TEXT("\\"), &pmkAll);
if (NULL!=pmkAll)
{
LPMONIKER pmkWild;
INOLE_RevokeAsRunning(&m_dwRegROTWild);
pmk->ComposeWith(pmkAll, FALSE, &pmkWild);
if (NULL!=pmkWild)
{
INOLE_RegisterAsRunning(this, pmkWild, 0
, &m_dwRegROTWild);
pmkWild->Release();
}
pmkAll->Release();
}
//No need for us to hold on to this.
pmk->Release();
}
//End CHAPTER21MOD
return;
}
/*
* CPatronDoc::InsertObject
*
* Purpose:
* Retrieves a CLSID or a filename from the Insert Object dialog
* box and creates an object using those identifiers.
*
* Parameters:
* hWndFrame HWND of the main window
*
* Return Value:
* BOOL TRUE if successful, FALSE otherwise.
*/
BOOL CPatronDoc::InsertObject(HWND hWndFrame)
{
OLEUIINSERTOBJECT io;
DWORD dwData=0;
TCHAR szFile[CCHPATHMAX];
UINT uTemp;
BOOL fRet=FALSE;
if (NULL==m_pPG)
return FALSE;
memset(&io, 0, sizeof(io));
io.cbStruct=sizeof(io);
io.hWndOwner=hWndFrame;
szFile[0]=0;
io.lpszFile=szFile;
io.cchFile=CCHPATHMAX;
//We now support linking, so remove the IOF_DISABLELINK flag.
io.dwFlags=IOF_SELECTCREATENEW;
uTemp=OleUIInsertObject(&io);
if (OLEUI_OK==uTemp)
{
TENANTTYPE tType;
LPVOID pv;
FORMATETC fe;
SETDefFormatEtc(fe, 0, TYMED_NULL);
if (io.dwFlags & IOF_SELECTCREATENEW)
{
tType=TENANTTYPE_EMBEDDEDOBJECT;
pv=&io.clsid;
}
else
{
if (io.dwFlags & IOF_CHECKLINK)
tType=TENANTTYPE_LINKEDFILE;
else
tType=TENANTTYPE_EMBEDDEDFILE;
pv=szFile;
}
if ((io.dwFlags & IOF_CHECKDISPLAYASICON)
&& NULL!=io.hMetaPict)
{
fe.dwAspect=DVASPECT_ICON;
dwData=(DWORD)(UINT)io.hMetaPict;
}
fRet=m_pPG->TenantCreate(tType, pv, &fe, NULL, dwData);
//Free this regardless of what we do with it.
INOLE_MetafilePictIconFree(io.hMetaPict);
if (fRet)
{
//Disable Printer Setup once we've created a tenant.
m_fPrintSetup=FALSE;
FDirtySet(TRUE);
}
}
return fRet;
}
/*
* CPatronDoc::ActivateObject
*
* Purpose:
* Executes a verb on the currently selected object.
*
* Parameters:
* iVerb LONG of the selected verb.
*
* Return Value:
* None
*/
void CPatronDoc::ActivateObject(LONG iVerb)
{
m_pPG->ActivateObject(iVerb);
return;
}
/*
* CPatronDoc::ConvertObject
*
* Purpose:
* Invokes the Convert dialog on the current object. Here it's
* just a pass-through to the pages.
*
* Parameters:
* hWndFrame HWND of the frame window.
*
* Return Value:
* BOOL TRUE if the function is successful, FALSE otherwise.
*/
BOOL CPatronDoc::ConvertObject(HWND hWndFrame)
{
return m_pPG->ConvertObject(hWndFrame);
}