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/*
* @doc INTERNAL * * @module COLEOBJ.CPP OLE Object management class implemenation | * * Authors: * alexgo Much of this code is a port from RichEdit 1.0 sources * (cleaned up a bit, ported to C++, etc.) So if there's any * bit of strangeness, it's probably there for a reason. * * KeithCu Cleaned up (removed _rcPos, ResetPosRect(), ScrollObject, fixed undo/resizing issues) * Added textflow support * * Copyright (c) 1995-2000, Microsoft Corporation. All rights reserved. */
#include "_common.h"
#include "_edit.h"
#include "_coleobj.h"
#include "_objmgr.h"
#include "_select.h"
#include "_rtext.h"
#include "_disp.h"
#include "_dispprt.h"
#include "_antievt.h"
#include "_dxfrobj.h"
ASSERTDATA
//
// data private to this file
//
static const OLECHAR szSiteFlagsStm[] = OLESTR("RichEditFlags");
//
// EXCEL clsid's. We have to make some special purpose hacks
// for XL.
const CLSID rgclsidExcel[] = { { 0x00020810L, 0, 0, {0xC0, 0, 0, 0, 0, 0, 0, 0x46} }, // Excel Worksheet
{ 0x00020811L, 0, 0, {0xC0, 0, 0, 0, 0, 0, 0, 0x46} }, // Excel Chart
{ 0x00020812L, 0, 0, {0xC0, 0, 0, 0, 0, 0, 0, 0x46} }, // Excel App1
{ 0x00020841L, 0, 0, {0xC0, 0, 0, 0, 0, 0, 0, 0x46} }, // Excel App2
}; const INT cclsidExcel = sizeof(rgclsidExcel) / sizeof(rgclsidExcel[0]);
//
// WordArt CLSID for more special purpose hacks.
//
const GUID CLSID_WordArt = { 0x000212F0L, 0, 0, {0xC0, 0, 0, 0, 0, 0, 0, 0x46} }; const GUID CLSID_PaintbrushPicture = { 0x0003000AL, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46 } }; const GUID CLSID_BitmapImage = { 0xD3E34B21L, 0x9D75, 0x101A, { 0x8C, 0x3D, 0x00, 0xAA, 0x00, 0x1A, 0x16, 0x52 } };
//
// Ink object
//
const GUID CLSID_Ink = { 0x13DE4A42, 0x8D21, 0x4C8E, {0xBF, 0x9C, 0x8F, 0x69, 0xCB, 0x06, 0x8F, 0xCA} }; const IID IID_ILineInfo = { 0x9C1C5AD5, 0xF22F, 0x4DE4, {0xB4, 0x53, 0xA2, 0xCC, 0x48, 0x2E, 0x7C, 0x33} };
#define dxyHandle (6) // Object frame handle size
#define dxyFrameDefault (1) // Object frame width
//
// utility functions
//
/*
* IsExcelCLSID (clsid) * * @func checks to see if the given clsid is one of XL's * * @rdesc TRUE/FALSE */ BOOL IsExcelCLSID( REFGUID clsid) { for(LONG i = 0; i < cclsidExcel; i++) { if(IsEqualCLSID(clsid, rgclsidExcel[i])) return TRUE; } return FALSE; }
//
// PUBLIC methods
//
/*
* COleObject::QueryInterface(ridd, ppv) * * @mfunc the standard OLE QueryInterface * * @rdesc NOERROR <nl> * E_NOINTERFACE */ STDMETHODIMP COleObject::QueryInterface( REFIID riid, //@parm Requested interface ID
void ** ppv) //@parm Out parm for result
{ HRESULT hr = NOERROR;
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::QueryInterface");
if(IsZombie()) return CO_E_RELEASED; if(!ppv) return E_INVALIDARG; else *ppv = NULL;
if(IsEqualIID(riid, IID_IUnknown)) *ppv = (IUnknown *)(IOleClientSite *)this;
else if(IsEqualIID(riid, IID_IOleClientSite)) *ppv = (IOleClientSite *)this;
else if(IsEqualIID(riid, IID_IOleInPlaceSite)) *ppv = (IOleInPlaceSite *)this;
else if(IsEqualIID(riid, IID_IAdviseSink)) *ppv = (IAdviseSink *)this;
else if(IsEqualIID(riid, IID_IOleWindow)) *ppv = (IOleWindow *)this;
else if(IsEqualIID(riid, IID_IRichEditOleCallback)) { // NB!! Returning this pointer in our QI is
// phenomenally bogus; it breaks fundamental COM
// identity rules (granted, not many understand them!).
// Anyway, RichEdit 1.0 did this, so we better.
TRACEWARNSZ("Returning IRichEditOleCallback interface, COM " "identity rules broken!");
*ppv = _ped->GetRECallback(); } else hr = E_NOINTERFACE;
if(*ppv) (*(IUnknown **)ppv)->AddRef();
return hr; }
/*
* COleObject::AddRef() * * @mfunc Increments reference count * * @rdesc New reference count */ STDMETHODIMP_(ULONG) COleObject::AddRef() { ULONG cRef; TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::AddRef");
cRef = SafeAddRef(); return cRef; }
/*
* COleObject::Release () * * @mfunc Decrements reference count * * @rdesc New reference count */ STDMETHODIMP_(ULONG) COleObject::Release() { ULONG cRef; TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::Release");
cRef = SafeRelease();
return cRef; }
/*
* COleObject::SaveObject () * * @mfunc implemtenation of IOleClientSite::SaveObject * * @rdesc HRESULT */ STDMETHODIMP COleObject::SaveObject() { CCallMgr callmgr(_ped);
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::SaveObject");
return SafeSaveObject(); }
/*
* COleObject::SafeSaveObject () * * @mfunc implemtenation of IOleClientSite::SaveObject for internal consumption * * @rdesc HRESULT */ STDMETHODIMP COleObject::SafeSaveObject() { IPersistStorage *pps; HRESULT hr; CStabilize stabilize(this);
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::SafeSaveObject");
if(!_punkobj || !_pstg) { TRACEWARNSZ("SaveObject called on invalid object"); return E_UNEXPECTED; }
if(IsZombie()) return CO_E_RELEASED;
hr = _punkobj->QueryInterface(IID_IPersistStorage, (void **)&pps);
TESTANDTRACEHR(hr);
if(hr == NOERROR) { if(IsZombie()) return CO_E_RELEASED; SavePrivateState(); if(IsZombie()) return CO_E_RELEASED; hr = OleSave(pps, _pstg, TRUE); if(IsZombie()) return CO_E_RELEASED; TESTANDTRACEHR(hr);
// note that SaveCompleted is called even if OleSave fails.
// If both OleSave and SaveCompleted succeed, then go ahead
// and commit the changes
if(pps->SaveCompleted(NULL) == NOERROR && hr == NOERROR) { if(IsZombie()) return CO_E_RELEASED; hr = _pstg->Commit(STGC_DEFAULT);
TESTANDTRACEHR(hr); } pps->Release(); } return hr; }
/*
* COleObject::GetMoniker (dwAssign, dwWhichMoniker, ppmk) * * @mfunc implementation of IOleClientSite::GetMoniker * * @rdesc E_NOTIMPL */ STDMETHODIMP COleObject::GetMoniker( DWORD dwAssign, //@parm Force an assignment?
DWORD dwWhichMoniker, //@parm Kind of moniker to get
IMoniker ** ppmk) //@parm Out parm for result
{ TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::GetMoniker");
TRACEWARNSZ("method not implemented!");
if(ppmk) *ppmk = NULL;
return E_NOTIMPL; } /*
* COleObject::GetContainer(ppcont) * * @mfunc implementation of IOleClientSite::GetContainer * * @rdesc E_NOINTERFACE */ STDMETHODIMP COleObject::GetContainer( IOleContainer **ppcont) //@parm Out parm for result
{ TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::GetContainer");
TRACEWARNSZ("method not implemented!");
if(ppcont) *ppcont = NULL;
// Richedit 1.0 returns E_NOINTERFACE instead of E_NOTIMPL. Do
// the same.
return E_NOINTERFACE; }
/*
* COleObject::ShowObject() * * @mfunc Implementation of IOleClientSite::ShowObject. * * @rdesc E_NOTIMPL */ STDMETHODIMP COleObject::ShowObject() { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::ShowObject");
TRACEWARNSZ("method not implemented!");
return E_NOTIMPL; }
/*
* COleObject::OnShowWindow (fShow) * * @mfunc * implementation of IOleClientSite::OnShowWindow -- notifies * the client site that the object is or is not being shown in its * own application window. This governs whether or not hatching * should appear around the object in richedit. * * @rdesc HRESULT */ STDMETHODIMP COleObject::OnShowWindow( BOOL fShow) //@parm If TRUE, object is being drawn in its own window
{ DWORD dwFlags = _pi.dwFlags; CCallMgr callmgr(_ped); CStabilize stabilize(this);
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::OnShowWindow");
if(IsZombie()) return CO_E_RELEASED;
_pi.dwFlags &= ~REO_OPEN; if(fShow) _pi.dwFlags |= REO_OPEN;
// If something changed, redraw object
if(dwFlags != _pi.dwFlags) { RECTUV rc; GetRectuv(rc);
// Invalidate rect that we're in.
_ped->TxInvalidateRect(&rc);
// We're not allowed to call invalidate rect by itself without
// terminating it with a call to update window.However, we don't
// care at this point if things are redrawn right away.
_ped->TxUpdateWindow(); } return NOERROR; }
/*
* COleObject::RequestNewObjectLayout () * * @mfunc Implementation of IOleClientSite::RequestNewObjectLayout * * @rdesc E_NOTIMPL */ STDMETHODIMP COleObject::RequestNewObjectLayout() { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::RequestNewObjectLayout");
TRACEWARNSZ("method not implemented!");
return E_NOTIMPL; }
/*
* COleObject::GetWindow(phwnd) * * @mfunc Implementation of IOleInPlaceSite::GetWindow * * @rdesc HRESULT */ STDMETHODIMP COleObject::GetWindow( HWND *phwnd) //@parm Where to put window
{ TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::GetWindow");
// NB! this method is not stabilized.
if(IsZombie()) return CO_E_RELEASED; if(phwnd) return _ped->TxGetWindow(phwnd);
return E_INVALIDARG; }
/*
* COleObject::ContextSensitiveHelp(fEnterMode) * * @mfunc Implemenation of IOleInPlaceSite::ContextSensitiveHelp * * @rdesc HRESULT */ STDMETHODIMP COleObject::ContextSensitiveHelp( BOOL fEnterMode) //@parm, If TRUE, then we're in help mode
{ IRichEditOleCallback *precall; CCallMgr callmgr(_ped); CStabilize stabilize(this);
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::ContextSensitiveHelp");
if(IsZombie()) return CO_E_RELEASED;
CObjectMgr *pobjmgr = _ped->GetObjectMgr(); if(!pobjmgr) return E_OUTOFMEMORY; // If the mode changes
if(pobjmgr->GetHelpMode() != fEnterMode) { pobjmgr->SetHelpMode(fEnterMode);
precall = _ped->GetRECallback(); if(precall) return precall->ContextSensitiveHelp(fEnterMode); } return NOERROR; }
/*
* COleObject::CanInPlaceActivate() * * @mfunc implementation of IOleInPlaceSite::CanInPlaceActivate * * @rdesc NOERROR or S_FALSE */ STDMETHODIMP COleObject::CanInPlaceActivate() { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::CanInPlaceActivate");
if(IsZombie()) return CO_E_RELEASED; // If we have a callback && the object is willing to show
// content, then we can in-place activate
if(_ped->GetRECallback() && _pi.dvaspect == DVASPECT_CONTENT) return NOERROR; return S_FALSE; }
/*
* COleObject::OnInPlaceActivate() * * @mfunc implementation of IOleInPlaceSite::OnInPlaceActivate * * @rdesc noerror */ STDMETHODIMP COleObject::OnInPlaceActivate() { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::OnInPlaceActivate"); // assume that in-place objects can never be blank.
_pi.dwFlags &= ~REO_BLANK; _fInPlaceActive = TRUE;
return NOERROR; }
/*
* COleObject::OnUIActivate () * * @mfunc implementation of IOleInPlaceSite::OnUIActivate. Notifies * the container that the object is about to be activated in * place with UI elements suchs as merged menus * * @rdesc HRESULT */ STDMETHODIMP COleObject::OnUIActivate() { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::OnUIActivate");
CCallMgr callmgr(_ped); CStabilize stabilize(this);
if(IsZombie()) return CO_E_RELEASED; CObjectMgr *pobjmgr = _ped->GetObjectMgr(); if(!pobjmgr) return E_OUTOFMEMORY;
IRichEditOleCallback *precall = pobjmgr->GetRECallback();
if(precall) { // Force this object to be selected, if it isn't already
// Update the selection before making the outgoing call
if(!(_pi.dwFlags & REO_SELECTED)) { CTxtSelection *psel = _ped->GetSel(); if(psel) psel->SetSelection(_cp, _cp + 1); } precall->ShowContainerUI(FALSE); if(IsZombie()) return CO_E_RELEASED; // This is an optimization for activating multiple
pobjmgr->SetShowUIPending(FALSE);
// RAID 7212
// We don't want to set the in place active object if we are already in the process of activating the pbject.
// Otherwise, there will be bad interactions with the code in TxDraw for out of process servers.
// Note : it may be possible to always set this in ActivateObj but I left this here for those cases wher
// OnUIActivate may be called directly.
if (!_fActivateCalled) { Assert(!pobjmgr->GetInPlaceActiveObject()); pobjmgr->SetInPlaceActiveObject(this); _pi.dwFlags |= REO_INPLACEACTIVE; }
return NOERROR; } return E_UNEXPECTED; }
/*
* COleObject::GetWindowContext(ppipframe, ppipuidoc, prcPos, prcClip, pipfinfo) * * @mfunc Implementation of IOleInPlaceSite::GetWindowContext. * Enables the in-place object to retrieve the window * interfaces that form the window object hierarchy. * * @rdesc HRESULT */ STDMETHODIMP COleObject::GetWindowContext( IOleInPlaceFrame **ppipframe, //@parm Where to put in-place frame
IOleInPlaceUIWindow **ppipuidoc,//@parm Where to put ui window
LPRECT prcPos, //@parm Position rect
LPRECT prcClip, //@parm Clipping rect
LPOLEINPLACEFRAMEINFO pipfinfo) //@parm Accelerator information
{ CCallMgr callmgr(_ped); CStabilize stabilize(this); TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::GetWindowContext"); if(IsZombie()) return CO_E_RELEASED; // Let container verify other parameters; we don't use them
if(!prcPos || !prcClip) return E_INVALIDARG; IRichEditOleCallback *precall = _ped->GetRECallback(); if(precall) { RECTUV rcuv; GetRectuv(rcuv); _ped->_pdp->RectFromRectuv(*prcPos, rcuv);
// FUTURE (alexgo); we may need to get this from the
// display instead to handle the inactive state if we ever
// want to support embedded objects with the inactive state.
_ped->TxGetClientRect(prcClip); return precall->GetInPlaceContext(ppipframe, ppipuidoc, pipfinfo); } return E_UNEXPECTED; }
/*
* COleObject::Scroll(sizeScroll) * * @mfunc implementation of IOleInPlaceSite::Scroll * * @rdesc E_NOTIMPL; */ STDMETHODIMP COleObject::Scroll( SIZE sizeScroll) //@parm Amount to scroll
{ TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::Scroll");
TRACEWARNSZ("method not implemented!");
return E_NOTIMPL; }
/*
* COleObject::OnUIDeactivate (fUndoable) * * @mfunc implementation of IOleInPlaceSite::OnUIDeactivate. Notifies * the container that it should re-install its user interface * * @rdesc HRESULT */ STDMETHODIMP COleObject::OnUIDeactivate( BOOL fUndoable) //@parm Whether you can undo anything here
{ CCallMgr callmgr(_ped); CStabilize stabilize(this);
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::OnUIDeactivate");
if(IsZombie()) return CO_E_RELEASED;
CObjectMgr *pobjmgr = _ped->GetObjectMgr(); IRichEditOleCallback *precall = _ped->GetRECallback();
if(_fIsPaintBrush) { // Hack for RAID 3293. Bitmap object disappears after editing.
// Apparently paint only triggers OnUIDeactivate and not OnInPlaceDeactivate
// assume that in-place objects can never be blank.
_fInPlaceActive = FALSE; // Reset REO_INPLACEACTIVE
_pi.dwFlags &= ~REO_INPLACEACTIVE; }
if(!precall) return E_UNEXPECTED;
if(_ped->TxIsDoubleClickPending()) _ped->GetObjectMgr()->SetShowUIPending(TRUE); else { // Ignore any errors; the old code did.
precall->ShowContainerUI(TRUE);
if(IsZombie()) return CO_E_RELEASED; } pobjmgr->SetInPlaceActiveObject(NULL);
if (!_fDeactivateCalled) { // We got here without DeActiveObj. Since to shutdown correctly
// we need to call this, we do so here.
DeActivateObj(); }
// Get focus back
_ped->TxSetFocus();
#ifdef DEBUG
// the OLE undo model is not very compatible with multi-level undo.
// For simplicity, just ignore stuff.
if(fUndoable) { TRACEWARNSZ("Ignoring a request to keep undo from an OLE object"); } #endif
// Some objects are lame and draw outside the
// areas they are supposed to. So we need to
// just invalidate everything and redraw.
_ped->TxInvalidate(); return NOERROR; }
/*
* COleObject::OnInPlaceDeactivate () * * @mfunc implementation of IOleInPlaceSite::OnInPlaceDeactivate * * @rdesc NOERROR */ STDMETHODIMP COleObject::OnInPlaceDeactivate() { CCallMgr callmgr(_ped); CStabilize stabilize(this);
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::OnInPlaceDeactivate");
_fInPlaceActive = FALSE;
//Reset REO_INPLACEACTIVE
_pi.dwFlags &= ~REO_INPLACEACTIVE;
if(!_punkobj) return E_UNEXPECTED;
if(IsZombie()) return CO_E_RELEASED; // Apparently, WordArt 2.0 had some sizing problems. The original
// code has this call to GetExtent-->SetExtent, so I've kept it here.
if(_fIsWordArt2) { // Ignore errors. If anything fails, too bad.
FetchObjectExtents(); // this will reset _size
SetExtent(SE_NOTACTIVATING); }
// Some objects are lame and draw outside the
// areas they are supposed to. So we need to
// just invalidate everything and redraw.
// Note that we do this in UIDeactivate as well; however, the
// double invalidation is necessary to cover some re-entrancy
// cases where we might be painted before everything is ready.
_ped->TxInvalidate(); return NOERROR; }
/*
* COleObject::DiscardUndoState () * * @mfunc implementation of IOleInPlaceSite::DiscardUndoState. * * @rdesc NOERROR */ STDMETHODIMP COleObject::DiscardUndoState() { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::DiscardUndoState");
// Nothing to do here; we don't keep any OLE-undo state as it's
// not very compatible with multi-level undo.
return NOERROR; }
/*
* COleObject::DeactivateAndUndo () * * @mfunc implementation of IOleInPlaceSite::DeactivateAndUndo-- * called by an active object when the user invokes undo * in the active object * * @rdesc NOERROR (yep, richedit1.0 ignored all the errors here) */ STDMETHODIMP COleObject::DeactivateAndUndo() { CStabilize stabilize(this);
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::DeactivateAndUndo");
if(IsZombie()) return CO_E_RELEASED; // Ignore error
_ped->InPlaceDeactivate();
// COMPATIBILITY ISSUE: we don't bother doing any undo here, as
// a multi-level undo model is incompatible with OLE undo.
return NOERROR; }
/*
* COleObject::OnPosRectChange (prcPos) * * @mfunc implementation of IOleInPlaceSite::OnPosRectChange. This * method is called by an in-place object when its extents have * changed * * @rdesc HRESULT */ STDMETHODIMP COleObject::OnPosRectChange( LPCRECT prcPos) { IOleInPlaceObject *pipo; RECT rcClip; RECT rcNewPos; CCallMgr callmgr(_ped); CStabilize stabilize(this);
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::OnPosRectChange"); if(!prcPos) return E_INVALIDARG;
if(!_punkobj) return E_UNEXPECTED; if(IsZombie()) return CO_E_RELEASED;
if(!_ped->fInplaceActive()) return E_UNEXPECTED; // Check to see if the rect moved; we don't allow this, but
// do allow the object to keep the new size
rcNewPos = *prcPos;
rcNewPos.right = rcNewPos.left + (prcPos->right - prcPos->left); rcNewPos.bottom = rcNewPos.top + (prcPos->bottom - prcPos->top);
_ped->TxGetClientRect(&rcClip);
HRESULT hr = _punkobj->QueryInterface(IID_IOleInPlaceObject, (void **)&pipo); if(hr == NOERROR) { hr = pipo->SetObjectRects(&rcNewPos, &rcClip); pipo->Release();
// bug fix 6073
// Need to set viewchange flag so we resize the ole object properly on ITextServices::TxDraw
CObjectMgr * pobjmgr = _ped->GetObjectMgr(); if (pobjmgr && pobjmgr->GetInPlaceActiveObject() == this) _fViewChange = TRUE; } return hr; }
/*
* COleObject::OnDataChange (pformatetc, pmedium) * * @mfunc implementation of IAdviseSink::OnDataChange * * @rdesc NOERROR */ STDMETHODIMP_(void) COleObject::OnDataChange( FORMATETC *pformatetc, //@parm Format of data that changed
STGMEDIUM *pmedium) //@parm Data that changed
{ TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::OnDataChange"); CCallMgr callmgr(_ped);
if(IsZombie()) return; _pi.dwFlags &= ~REO_BLANK; // this will also set the modified flag
_ped->GetCallMgr()->SetChangeEvent(CN_GENERIC);
return; }
/*
* COleObject::OnViewChange(dwAspect, lindex) * * @mfunc implementation of IAdviseSink::OnViewChange. Notifies * us that the object's view has changed. * * @rdesc HRESULT */ STDMETHODIMP_(void) COleObject::OnViewChange( DWORD dwAspect, //@parm Aspect that has changed
LONG lindex) //@parm unused
{ CStabilize stabilize(this); CCallMgr callmgr(_ped); TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::OnViewChange"); if(!_punkobj) return; // E_UNEXPECTED
if(IsZombie()) return;
if (_fInUndo) // This object has been deleted, forget view change
return;
_pi.dwFlags &= ~REO_BLANK; // Richedit 1.0 ignored errors on getting object extents
FetchObjectExtents();
// bug fix 6073
// Need to set viewchange flag so we resize the ole object properly on ITextServices::TxDraw
CObjectMgr * pobjmgr = _ped->GetObjectMgr(); if (pobjmgr && pobjmgr->GetInPlaceActiveObject() == this) _fViewChange = TRUE; CDisplay *pdp = _ped->_pdp; if(pdp) pdp->OnPostReplaceRange(CP_INFINITE, 0, 0, _cp, _cp + 1, NULL);
_ped->GetCallMgr()->SetChangeEvent(CN_GENERIC); return; } /*
* COleObject::OnRename (pmk) * * @mfunc implementation of IAdviseSink::OnRename. Notifies the container * that the object has been renamed * * @rdesc E_NOTIMPL */ STDMETHODIMP_(void) COleObject::OnRename( IMoniker *pmk) //@parm Object's new name
{ TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::OnRename"); TRACEWARNSZ("IAdviseSink::OnRename not implemented!");
return; // E_NOTIMPL;
}
/*
* COleObject::OnSave () * * @mfunc implementation of IAdviseSink::OnSave. Notifies the container * that an object has been saved * * @rdesc NOERROR */ STDMETHODIMP_(void) COleObject::OnSave() { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::OnSave"); _pi.dwFlags &= ~REO_BLANK; }
/*
* COleObject::OnClose () * * @mfunc implementation of IAdviseSink::OnClose. Notifies the container * that an object has been closed. * * @rdesc NOERROR */ STDMETHODIMP_(void) COleObject::OnClose() { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::OnClose"); if(IsZombie()) return; // If the object is blank (i.e. no data in it), we don't want to leave
// it in the backing store--there is nothing for us to draw && therefore
// nothing for the user to click on! So just delete the object with
// a space. Note that 1.0 actually deleted the object; we'll just
// replace it with a space to make everything work out right.
if(_pi.dwFlags & REO_BLANK) { CCallMgr callmgr(_ped); CStabilize stabilize(this); CRchTxtPtr rtp(_ped, _cp);
// We don't want the delete of this object to go on the undo
// stack. We use a space so that cp's will work out right for
// other undo actions.
rtp.ReplaceRange(1, 1, L" ", NULL, -1); } _ped->TxSetForegroundWindow(); } /*
* COleObject::OnPreReplaceRange * * @mfunc implementation of ITxNotify::OnPreReplaceRange * called before changes are made to the backing store */ void COleObject::OnPreReplaceRange( LONG cp, //@parm cp where ReplaceRange starts ("cpMin")
LONG cchDel, //@parm Count of chars after cp that are deleted
LONG cchNew, //@parm Count of chars inserted after cp
LONG cpFormatMin, //@parm cpMin for a formatting change
LONG cpFormatMax, //@parm cpMost for a formatting change
NOTIFY_DATA *pNotifyData) //@parm special data to indicate changes
{ Assert(_fInUndo == FALSE); }
/*
* COleObject::OnPostReplaceRange * * @mfunc implementation of ITxNotify::OnPostReplaceRange * called after changes are made to the backing store * * @comm we use this method to keep our cp's up-to-date */ void COleObject::OnPostReplaceRange( LONG cp, //@parm cp where ReplaceRange starts ("cpMin")
LONG cchDel, //@parm Count of chars after cp that are deleted
LONG cchNew, //@parm Count of chars inserted after cp
LONG cpFormatMin, //@parm cpMin for a formatting change
LONG cpFormatMax, //@parm cpMost for a formatting change
NOTIFY_DATA *pNotifyData) //@parm special data to indicate changes
{ // The only case we need to worry about is when changes
// come before our object
Assert(_fInUndo == FALSE); #ifndef NOINKOBJECT
LONG cpOld = _cp; #endif
_fDraw = TRUE; if(cp <= _cp) { if(cp + cchDel > _cp) { _fDraw = FALSE; return; } _cp += (cchNew - cchDel); } #ifndef NOINKOBJECT
if (_ped && _fIsInkObject && _pILineInfo) { if (cpFormatMin <= cpOld && cpOld < cpFormatMax) { // Inform Ink object for the formatting changes
UINT iInkWidth = 0;
_ped->SetInkProps(_cp, _pILineInfo, &iInkWidth);
} } #endif
} /*
* COleObject::Zombie () * * @mfunc * Turn this object into a zombie * */ void COleObject::Zombie () { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::Zombie");
_ped = NULL; }
/*
* COleObject::COleObject(ped) * * @mfunc constructor */ COleObject::COleObject( CTxtEdit *ped) //@parm context for this object
{ TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEINTERN, "COleObject::COleObject");
AddRef();
// Most values will be NULL by virtue of the allocator
_ped = ped;
CNotifyMgr *pnm = ped->GetNotifyMgr(); if(pnm) pnm->Add((ITxNotify *)this); }
/*
* COleObject::GetObjectData(preobj, dwFlags) * * @mfunc fills out an REOBJECT structure with information relevant * to this object * * @rdesc HRESULT */ HRESULT COleObject::GetObjectData( REOBJECT *preobj, //@parm Struct to fill out
DWORD dwFlags) //@parm Indicate what data is requested
{ IOleObject *poo = NULL;
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEINTERN, "COleObject::GetObjectData");
Assert(preobj); Assert(_punkobj);
preobj->cp = _cp; if(_punkobj->QueryInterface(IID_IOleObject, (void **)&poo) == NOERROR) { // Don't worry about failures here
poo->GetUserClassID(&(preobj->clsid)); } preobj->dwFlags = _pi.dwFlags; preobj->dvaspect = _pi.dvaspect; preobj->dwUser = _pi.dwUser; memcpy(&preobj->sizel, &_size, sizeof(SIZE));
if(dwFlags & REO_GETOBJ_POLEOBJ) { preobj->poleobj = poo; if(poo) poo->AddRef(); } else preobj->poleobj = NULL;
if(poo) poo->Release();
if(IsZombie()) return CO_E_RELEASED; if(dwFlags & REO_GETOBJ_PSTG) { preobj->pstg = _pstg; if(_pstg) _pstg->AddRef(); } else preobj->pstg = NULL;
if(dwFlags & REO_GETOBJ_POLESITE) { // COMPATIBILITY HACK!! Note that we don't 'release' any pointer that
// may already be in the stored in the site. RichEdit1.0 always sets
// the value, consequently several apps pass in garbage for the site.
//
// If the site was previously set, we will get a reference counting
// bug, so be sure that doesn't happen!
preobj->polesite = (IOleClientSite *)this; AddRef(); } else preobj->polesite = NULL;
return NOERROR; }
/*
* COleObject::IsLink() * * @mfunc returns TRUE if the object is a link * * @rdesc BOOL */ BOOL COleObject::IsLink() { return !!(_pi.dwFlags & REO_LINK); }
/*
* COleObject::InitFromREOBJECT(cp, preobj) * * @mfunc initializes this object's state from the given * REOBJECT data structure * * @rdesc HRESULT */ HRESULT COleObject::InitFromREOBJECT( LONG cp, //@parm cp for the object
REOBJECT *preobj) //@parm Data to use for initialization
{ IOleLink *plink; HRESULT hr = E_INVALIDARG; TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEINTERN, "COleObject::InitFromREOBJECT"); Assert(_punkobj == NULL); if(IsZombie()) return CO_E_RELEASED;
_cp = cp;
if(preobj->poleobj) hr = preobj->poleobj->QueryInterface(IID_IUnknown, (void **)&_punkobj); else { _punkobj = (IOleClientSite *) this; AddRef(); hr = NOERROR; } if(hr != NOERROR) return hr; _pstg = preobj->pstg; if(_pstg) _pstg->AddRef();
_pi.dwFlags = preobj->dwFlags & REO_READWRITEMASK; _pi.dwUser = preobj->dwUser; _pi.dvaspect = preobj->dvaspect;
preobj->sizel.cx = max(preobj->sizel.cx, 0); preobj->sizel.cy = max(preobj->sizel.cy, 0);
memcpy(&_size, &preobj->sizel, sizeof(SIZE)); // COMPATIBILITY ISSUE: the RE 1.0 code had
// some stuff to deal with REO_DYNAMICSIZE
// here. We do not currently support that.
if(_punkobj->QueryInterface(IID_IOleLink, (void **)&plink) == NOERROR) { _pi.dwFlags |= REO_LINK | REO_LINKAVAILABLE; plink->Release(); }
if(IsZombie()) return CO_E_RELEASED; if (IsEqualCLSID(preobj->clsid, CLSID_StaticMetafile) || IsEqualCLSID(preobj->clsid, CLSID_StaticDib) || IsEqualCLSID(preobj->clsid, CLSID_Picture_EnhMetafile)) { _pi.dwFlags |= REO_STATIC; } else if(IsExcelCLSID(preobj->clsid)) _pi.dwFlags |= REO_GETMETAFILE;
else if(IsEqualCLSID(preobj->clsid, CLSID_WordArt)) _fIsWordArt2 = TRUE;
else if(IsEqualCLSID(preobj->clsid, CLSID_PaintbrushPicture) || IsEqualCLSID(preobj->clsid, CLSID_BitmapImage)) { _fIsPaintBrush = TRUE;
// These calls will initialize the flag, _fPBUseLocalSize, which
// indicates that for this PB object, SetExtent calls are not
// acknowledged by the object, and we are to use our local value
// of _size as the object extents.
FetchObjectExtents(); SetExtent(SE_NOTACTIVATING); } #ifndef NOINKOBJECT
else if(IsEqualCLSID(preobj->clsid, CLSID_Ink)) { ILineInfo *pILineInfo;
_fIsInkObject = TRUE;
_pi.dwFlags &= ~REO_RESIZABLE; // No resizing for ink objects
_pi.dwFlags |= REO_BELOWBASELINE | REO_INVERTEDSELECT;
if(_punkobj->QueryInterface(IID_ILineInfo, (void **)&pILineInfo) == NOERROR) { UINT iInkWidth = 0;
_pILineInfo = pILineInfo; // Inform Ink object for the formatting changes
_ped->SetInkProps(_cp, _pILineInfo, &iInkWidth); } } #endif
hr = ConnectObject();
if(IsZombie()) return CO_E_RELEASED; if(preobj->sizel.cx || preobj->sizel.cy) memcpy(&_size, &preobj->sizel, sizeof(SIZE)); else FetchObjectExtents();
if(IsZombie()) return CO_E_RELEASED;
// We don't do the following anymore although it was originally spec'd as the correct
// behavior for applications in OLE 2.01. The reason is that no one else seems to and
// it seems to result in some odd behavior.
#if 0
// Finally, lock down Link objects so they we don't try to refetch their
// extents from the server. After initialization, link object size is
// entirely determined by the container.
if(_pi.dwFlags & REO_LINK) { // so we don't call GetExtents on remeasuring.
_fSetExtent = TRUE; } #endif
return NOERROR; }
/*
* COleObject::MeasureObj(dypInch, dxpInch, dup, dvpAscent, dvpDescent, dvpDescentFont, tflow) * * Review: (keithcu) Should yDescentFont be descent of font * or descent of entire line? LS does one thing, old measurer * does another. I'm hoping that this feature is only used on * lines with one font.. * @mfunc calculates the size of this object in device units */ void COleObject::MeasureObj( long dvpInch, //@parm resolution of device
long dupInch, LONG & dup, //@parm Object width
LONG & dvpAscent, //@parm Object ascent
LONG & dvpDescent, //@parm Object descent
SHORT dvpDescentFont, //@parm object's font descent
TFLOW tflow) //@parm textflow
{ LONG dvp;
//If we are rotated and the OLE object doesn't understand rotation, then
//we will measure and draw the object unrotated
if (IsUVerticalTflow(tflow) && !(_pi.dwFlags & REO_CANROTATE)) { dup = W32->HimetricToDevice(_size.dv, dupInch); dvp = W32->HimetricToDevice(_size.du, dvpInch); } else { dup = W32->HimetricToDevice(_size.du, dupInch); dvp = W32->HimetricToDevice(_size.dv, dvpInch); }
if (_pi.dwFlags & REO_BELOWBASELINE) { dvpDescent = dvpDescentFont; dvpAscent = max(0, dvp - dvpDescent); } else //The normal case
{ dvpAscent = dvp; dvpDescent = 0; } }
/*
* COleObject::InHandle(x, y, &pt) * * @mfunc See if a point is in the rectangle defined by the handle at * the given coordinates. * * @rdesc True if point is in handle. */ BOOL COleObject::InHandle( int up, //@parm Upper left corner x coordinate of handle box
int vp, //@parm Upper left corner y coordinate of handle box
const POINTUV &pt)//@parm Point to check
{ RECTUV rc; rc.left = up; rc.top = vp;
// Add one to bottom right because PtInRect does not consider
// points on bottom or right to be in rect.
rc.right = rc.left + dxyHandle + 1; rc.bottom = rc.top + dxyHandle + 1; return PtInRect(&rc, pt); }
/*
* COleObject::CheckForHandleHit(&pt) * * @mfunc Check for a hit on any of the frame handles. * * @rdesc NULL if no hit, cursor resource ID if there is a hit. */ LPTSTR COleObject::CheckForHandleHit( const POINTUV &pt, //@parm POINT containing client coord. of the cursor.
BOOL fLogical) //@parm TRUE if you want the logical as opposed to visual cursor
{ // If object is not resizeable, no chance of hitting a resize handle!
if(!(_pi.dwFlags & REO_RESIZABLE) || FWrapTextAround()) return NULL;
RECTUV rc; GetRectuv(rc);
if(!_dxyFrame) _dxyFrame = dxyFrameDefault;
// Check to see if point is farther into the interior of the
// object than the handles extent. If it is we can just bail.
InflateRect(&rc, -(_dxyFrame + dxyHandle), -(_dxyFrame + dxyHandle)); if(PtInRect(&rc, pt)) return NULL;
WCHAR *idcur = 0;
// Check to see if point is in any of the handles and
// return the proper cursor ID if it is.
InflateRect(&rc, dxyHandle, dxyHandle);
if(InHandle(rc.left, rc.top, pt) || InHandle(rc.right-dxyHandle, rc.bottom-dxyHandle, pt)) { idcur = IDC_SIZENWSE; } else if(InHandle(rc.left, rc.top+(rc.bottom-rc.top-dxyHandle)/2, pt) || InHandle(rc.right-dxyHandle, rc.top+(rc.bottom-rc.top-dxyHandle)/2, pt)) { idcur = IDC_SIZEWE; } else if(InHandle(rc.left, rc.bottom-dxyHandle, pt) || InHandle(rc.right-dxyHandle, rc.top, pt)) { idcur = IDC_SIZENESW; } else if(InHandle(rc.left+(rc.right-rc.left-dxyHandle)/2, rc.top, pt) || InHandle(rc.left+(rc.right-rc.left-dxyHandle)/2, rc.bottom-dxyHandle, pt)) { idcur = IDC_SIZENS; }
//Convert logical cursor to visual cursor
if (!fLogical && IsUVerticalTflow(_ped->_pdp->GetTflow())) { if (idcur == IDC_SIZENS) idcur = IDC_SIZEWE; else if (idcur == IDC_SIZEWE) idcur = IDC_SIZENS; else if (idcur == IDC_SIZENESW) idcur = IDC_SIZENWSE; else if (idcur == IDC_SIZENWSE) idcur = IDC_SIZENESW; }
return idcur; }
/*
* COleObject::DrawHandle(hdc, x, y) * * @mfunc Draw a handle on the object frame at the specified coordinate */ void COleObject::DrawHandle( HDC hdc, //@parm HDC to be drawn into
int x, //@parm x coordinate of upper-left corner of handle box
int y) //@parm y coordinate of upper-left corner of handle box
{ RECT rc; // Draw handle by inverting
rc.left = x; rc.top = y; rc.right = x + dxyHandle; rc.bottom = y + dxyHandle; InvertRect(hdc, &rc); }
/*
* COleObject::DrawFrame(pdp, hdc, prc) * * @mfunc Draw a frame around the object. Invert if required and * include handles if required. */ void COleObject::DrawFrame( const CDisplay *pdp, //@parm the display to draw to
HDC hdc, //@parm the device context
RECT *prc) //@parm the rect around which to draw
{ if(_pi.dwFlags & REO_OWNERDRAWSELECT) return;
RECT rc; CopyRect(&rc, prc);
if(_pi.dwFlags & REO_INVERTEDSELECT) InvertRect(hdc, &rc); //Invert entire object
else { // Just the border, so use a null brush
int ropOld = SetROP2(hdc, R2_NOT); HBRUSH hbrOld = (HBRUSH) SelectObject(hdc, GetStockObject(NULL_BRUSH)); Rectangle(hdc, rc.left, rc.top, rc.right, rc.bottom); SelectObject(hdc, hbrOld); SetROP2(hdc, ropOld); }
if(_pi.dwFlags & REO_RESIZABLE) { int bkmodeOld; HPEN hpen; LOGPEN logpen;
bkmodeOld = SetBkMode(hdc, TRANSPARENT);
// Get frame width
_dxyFrame = dxyFrameDefault; hpen = (HPEN)GetCurrentObject(hdc, OBJ_PEN); if(W32->GetObject(hpen, sizeof(LOGPEN), &logpen)) { if(logpen.lopnWidth.x) _dxyFrame = (SHORT)logpen.lopnWidth.x; }
// Draw handles inside rectangle boundary
InflateRect(&rc, -_dxyFrame, -_dxyFrame);
LONG x = rc.left;
DrawHandle(hdc, x, rc.top); DrawHandle(hdc, x, rc.top + (rc.bottom - rc.top - dxyHandle)/2); DrawHandle(hdc, x, rc.bottom - dxyHandle);
x = rc.left + (rc.right - rc.left - dxyHandle)/2; DrawHandle(hdc, x, rc.top); DrawHandle(hdc, x, rc.bottom - dxyHandle);
x = rc.right - dxyHandle; DrawHandle(hdc, x, rc.top); DrawHandle(hdc, x, rc.top + (rc.bottom - rc.top - dxyHandle)/2); DrawHandle(hdc, x, rc.bottom - dxyHandle);
SetBkMode(hdc, bkmodeOld); } }
/*
* COleObject::CreateDib (hdc) * * @mfunc Create DIB for Windows CE display */ void COleObject::CreateDib( HDC hdc) { int nCol = 0; BYTE *pbDib; HGLOBAL hnew = NULL; BYTE *pbSrcBits; LPBITMAPINFO pbmi = (LPBITMAPINFO) GlobalLock(_hdata); DWORD dwPixelsPerRow = 0; DWORD dwPixels = 0;
if(pbmi->bmiHeader.biBitCount <= 8) { nCol = 1 << pbmi->bmiHeader.biBitCount;
// Calculate the number of pixels. Account for DWORD alignment
DWORD dwPixelsPerByte = 8 / pbmi->bmiHeader.biBitCount; DWORD dwBitsPerRow = pbmi->bmiHeader.biWidth * pbmi->bmiHeader.biBitCount; dwBitsPerRow = (dwBitsPerRow + 7) & ~7; // Round up to byte boundary
DWORD dwBytesPerRow = dwBitsPerRow / 8; dwBytesPerRow = (dwBytesPerRow + 3) & ~3; // Round up to DWORD
dwPixelsPerRow = dwBytesPerRow * dwPixelsPerByte;
// Double check with original
#ifdef DEBUG
DWORD dwBlockSize = GlobalSize(_hdata); DWORD dwBitMapBytes = dwBlockSize - sizeof(BITMAPINFOHEADER) - (nCol * sizeof(RGBQUAD)); DWORD dwBitMapPixels = dwBitMapBytes * dwPixelsPerByte; dwPixels = dwPixelsPerRow * pbmi->bmiHeader.biHeight; Assert(dwPixels == dwBitMapPixels); #endif
} else dwPixelsPerRow = pbmi->bmiHeader.biWidth;
dwPixels = dwPixelsPerRow * pbmi->bmiHeader.biHeight; pbSrcBits = (BYTE*)(pbmi) + sizeof(BITMAPINFOHEADER) + (nCol * sizeof(RGBQUAD));
#ifdef UNDER_NT
// For NT viewing convert four color bitmaps to 16 color bitmap
if(nCol == 4) { // First let's figure out how big the new memory block needs to be.
DWORD cb = sizeof(BITMAPINFOHEADER) + (16 * sizeof(RGBQUAD)); cb += dwPixels / 2; hnew = GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT, cb); // Now locate the interesting places
LPBITMAPINFO pNewBmi = (LPBITMAPINFO) GlobalLock(hnew); BYTE *pNewBits = (BYTE*)(pNewBmi) + sizeof(BITMAPINFOHEADER) + (16 * sizeof(RGBQUAD));
// Modify the header
pNewBmi->bmiHeader = pbmi->bmiHeader; pNewBmi->bmiHeader.biBitCount = 4; pNewBmi->bmiHeader.biClrUsed = 4;
// Set up the DIB RGB Colors.
for (int i = 0; i < 16; i++) { BYTE data = 0; switch (i % 4) { case 0: break; case 1: data = 0x55; break; case 2: data = 0xAA; break; case 3: data = 0xFF; break; } pNewBmi->bmiColors[i].rgbBlue = data; pNewBmi->bmiColors[i].rgbGreen = data; pNewBmi->bmiColors[i].rgbRed = data; pNewBmi->bmiColors[i].rgbReserved = 0; }
// Convert the byte array.
for (DWORD j = 0; j < dwPixels; j++) { int iSrcByte = j / 4;
BYTE bits = pbSrcBits[iSrcByte]; bits >>= 6 - (j%4) * 2; bits &= 0x3; int iDstByte = j / 2; bits <<= 4 - (j%2) * 4; pNewBits[iDstByte] |= bits; } GlobalUnlock(pbmi); pbmi = pNewBmi; pbSrcBits = pNewBits; } #endif
_hdib = CreateDIBSection(hdc, pbmi, DIB_RGB_COLORS, (void**)&pbDib, NULL, 0); if(_hdib == NULL) { _ped->GetCallMgr()->SetOutOfMemory();
// V-GUYB:
// Do not attempt to repaint this picture until the user starts typing in the
// control. This allows the user to dismiss the oom that will appear and then
// save the document, and then free up some space. If we don't do this here,
// every time the oom msg is dismissed it will appear again. This doesn't allow
// the user to save the document unless they can find some memory to free.
_fDraw = FALSE;
TRACEWARNSZ("Out of memory creating DIB"); return; }
DWORD nBytes;
if(nCol) { DWORD nPixelsPerByte = 8 / pbmi->bmiHeader.biBitCount; nBytes = dwPixels / nPixelsPerByte; } else nBytes = dwPixels * 4; // Each pixel occupies 4 bytes in DIB
CopyMemory(pbDib, pbSrcBits, nBytes);
GlobalUnlock(pbmi); GlobalFree(hnew); }
/*
* COleObject::DrawDib (hdc, prc) * * @mfunc Auxiliary function that draws the dib in the given dc */ void COleObject::DrawDib( HDC hdc, RECT *prc) { if(!_hdib) CreateDib(hdc);
// If _hdib is still NULL, just return. Maybe out of memory.
if(!_hdib) return;
HDC hdcMem = CreateCompatibleDC(hdc); if (!hdcMem) return;
LPBITMAPINFO pbmi = (LPBITMAPINFO) GlobalLock(_hdata); SelectObject(hdcMem, _hdib); StretchBlt(hdc, prc->left, prc->top, prc->right - prc->left, prc->bottom - prc->top, hdcMem, 0, 0, pbmi->bmiHeader.biWidth, pbmi->bmiHeader.biHeight, SRCCOPY); GlobalUnlock(pbmi); DeleteDC(hdcMem); }
/*
* COleObject::DrawObj (pdp, hdc, fMetafile, ppt, prcRender) * * @mfunc draws the object. * REVIEW (keithcu) How expensive is SaveDC/RestoreDC? We could * have a flag when we know that the object isn't going to totally screw * around with our DC and then not go through that expense. * */ void COleObject::DrawObj( const CDisplay *pdp, //@parm Display object for the view
LONG dypInch, //@parm Resolution of device
LONG dxpInch, HDC hdc, //@parm Drawing HDC (can differ from display's)
const RECTUV *prcClip, //@parm Clipping rectangle
BOOL fMetafile, //@parm Whether the HDC is a metafile
POINTUV *ppt, //@parm Top left corner of where to draw
LONG dvpBaselineLine, LONG dvpDescentMaxCur, TFLOW tflow) { BOOL fMultipleSelect = FALSE; CObjectMgr * pobjmgr = _ped->GetObjectMgr(); IViewObject * pvo; CDisplayPrinter *pdpPrint; RECT rc, rcClip; RECTUV rcuv; LONG cpMin, cpMost; _ped->GetSelRangeForRender(&cpMin, &cpMost); BOOL fSelected = _cp >= cpMin && _cp < cpMost && !FWrapTextAround();
SaveDC(hdc); //Anything in this function below could change things.
if(pdp->IsMain() && !(_pi.dwFlags & REO_OWNERDRAWSELECT)) { if (fSelected) { if(cpMost - cpMin > 1) fMultipleSelect = TRUE;
// The following overwrites the selection colors currently
// selected into the hdc. We do this for RE 2.0 compatibility,
// e.g., else selected name links in Outlook appear yellow
// after the InvertRect() in DrawFrame() (altho the semicolon
// blanks appear in selection colors). Note: we could define
// REO_OWNERDRAWSELECT, which would bypass the following 2 lines
// and suppress the InvertRect below and in DrawFrame(). Then
// Outlook's From:, To:, and CC: would have correct selection
// colors throughout.
::SetTextColor(hdc, _ped->TxGetForeColor()); ::SetBkColor (hdc, _ped->TxGetBackColor()); } }
if(_fInPlaceActive || !_fDraw) { // If we're inplace active, don't do anything; the server is
// drawing for us. We also don't do anything prior to the fDraw
// property being set
return; }
// Draw object where we are asked within rendering rectangle
rcuv.left = ppt->u; rcuv.bottom = ppt->v + dvpBaselineLine;
if (IsUVerticalTflow(tflow) && !(_pi.dwFlags & REO_CANROTATE)) { rcuv.right = rcuv.left + W32->HimetricToDevice(_size.dv, dypInch); rcuv.top = rcuv.bottom - W32->HimetricToDevice(_size.du, dxpInch); } else { rcuv.right = rcuv.left + W32->HimetricToDevice(_size.du, dxpInch); rcuv.top = rcuv.bottom - W32->HimetricToDevice(_size.dv, dypInch); }
if (_pi.dwFlags & REO_BELOWBASELINE) OffsetRect((RECT*)&rcuv, 0, dvpDescentMaxCur);
pdp->RectFromRectuv(rc, rcuv); pdp->RectFromRectuv(rcClip, *prcClip);
if (fSelected) SetBkMode(hdc, OPAQUE);
SetTextAlign(hdc, TA_TOP);
SaveDC(hdc); // calls to OLE object (IViewObject::Draw or OleDraw) might change HDC
//Do clipping because OLE doesn't know where to draw
IntersectClipRect(hdc, rcClip.left, rcClip.top, rcClip.right, rcClip.bottom);
if(_fIsEBookImage) { POINT pt = {rc.left, rc.top}; WinLPtoDP(hdc, &pt, 1); if(_ped->fInHost2()) (_ped->GetHost())->TxEBookImageDraw(_EBookImageID, hdc, &pt, NULL/*&rc*/, (pobjmgr->GetSingleSelect()==this)); } else if(_hdata) { // This is some Windows CE Dib, let's try the direct approach
DrawDib(hdc, &rc); } else if(fMetafile) { if(_punkobj->QueryInterface(IID_IViewObject, (void **)&pvo) == NOERROR) { pdpPrint = (CDisplayPrinter *)pdp;
//REVIEW (keithcu) Has this ever been tested? GetPrintPage
//is in twips while IViewObject::Draw is in metafile units!
RECT rc1 = pdpPrint->GetPrintPage();
// Fix up rc for Draw()
rc1.bottom = rc1.bottom - rc1.top; rc1.right = rc1.right - rc1.left;
pvo->Draw(_pi.dvaspect, -1, NULL, NULL, 0, hdc, (RECTL *)&rc, (RECTL *)&rc1, NULL, 0); pvo->Release(); } } else OleDraw(_punkobj, _pi.dvaspect, hdc, &rc);
RestoreDC(hdc, -1);
// Do selection stuff if this is for the main (screen) view.
if(pdp->IsMain() && !FWrapTextAround()) { if(_pi.dwFlags & REO_OPEN) OleUIDrawShading(&rc, hdc);
// If the object has been selected by clicking on it, draw
// a frame and handles around it. Otherwise, if we are selected
// as part of a range, invert ourselves.
if(!fMetafile && pobjmgr->GetSingleSelect() == this) DrawFrame(pdp, hdc, &rc);
else if(fMultipleSelect) InvertRect(hdc, &rc); }
RestoreDC(hdc, -1); }
/*
* COleObject::Delete (publdr) * * @mfunc deletes this object from the backing store _without_ * making outgoing calls. The commit on generated anti-events * will handle the outgoing calls */ void COleObject::Delete( IUndoBuilder *publdr) {
Assert(_fInUndo == FALSE); _fInUndo = TRUE;
//REVIEW (keithcu) Too heavy handed?
// if (FWrapTextAround())
// _ped->_pdp->InvalidateRecalc();
CNotifyMgr *pnm = _ped->GetNotifyMgr(); if(pnm) pnm->Remove((ITxNotify *)this);
if(publdr) { // The anti-event will take care of calling IOO::Close for us
IAntiEvent *pae = gAEDispenser.CreateReplaceObjectAE(_ped, this); if(pae) publdr->AddAntiEvent(pae); } else { Close(OLECLOSE_NOSAVE); MakeZombie(); }
// If we're being deleted, we can't be selected anymore
_pi.dwFlags &= ~REO_SELECTED; _fDraw = 0; }
/*
* COleObject::Restore() * * @mfunc restores the object from the undo state back into the * backing store * * No outgoing calls will be made */ void COleObject::Restore() { Assert(_fInUndo);
_fInUndo = FALSE; _fDraw = TRUE;
CNotifyMgr *pnm = _ped->GetNotifyMgr(); if(pnm) pnm->Add((ITxNotify *)this); }
/*
* COleObject::SetREOSELECTED (fSelect) * * @mfunc cmember set REO_SELECTED state */ void COleObject::SetREOSELECTED( BOOL fSelect) { _pi.dwFlags &= ~REO_SELECTED; if(fSelect) _pi.dwFlags |= REO_SELECTED; } /*
* COleObject::Close(dwSave) * * @mfunc closes this object */ void COleObject::Close( DWORD dwSave) //same as IOleObject::Close
{ TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEINTERN, "COleObject::Close");
if(!_punkobj) return;
IOleObject *poo; if(_punkobj->QueryInterface(IID_IOleObject, (void **)&poo) == NOERROR) { poo->Close(dwSave); poo->Release(); } }
//
// PRIVATE methods
//
/*
* COleObject::~COleObject() * * @mfunc destructor */ COleObject::~COleObject() { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEINTERN, "COleObject::~COleObject");
CleanupState(); }
/*
* COleObject::SavePrivateState() * * @mfunc Saves information such as the aspect and various flags * into the object's storage. * * @devnote This method is used mostly for compatibility with * richedit 1.0--we save the same information they did. * * Also note that this method returns void--even if any particular * call fails, we should be able to "recover" and limp along. * Richedit 1.0 also had this behavior. */ void COleObject::SavePrivateState() { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEINTERN, "COleObject::SavePrivateState"); Assert(_pstg);
IStream * pstm; HRESULT hr = _pstg->CreateStream(szSiteFlagsStm, STGM_READWRITE | STGM_CREATE | STGM_SHARE_EXCLUSIVE, 0, 0, &pstm); if(IsZombie()) return; if(hr == NOERROR) { pstm->Write(&_pi, sizeof(PersistedInfo), NULL); pstm->Release(); } }
/*
* COleObject::FetchObjectExtents() * * @mfunc determines the object's size in himetric. Typically, this * is achieved via IOleObject::GetExtent, but some error * recovery is implemented * * @rdesc void. _size is updated */ void COleObject::FetchObjectExtents() { HRESULT hr = NOERROR; IOleObject *poo; IViewObject2 *pvo;
if(IsZombie()) return; // We _don't_ want to make calls to GetExtent if:
// (1) We have outstanding updates to _size for which we
// haven't successfully called SetExtent
// (2) This is a PaintBrush object and the most recent call
// to SetExtent for this PB object failed
if(_fIsEBookImage) { _size.du = _ped->_pdp->DUtoHimetricU(_sizeEBookImage.cx); _size.dv = _ped->_pdp->DVtoHimetricV(_sizeEBookImage.cy); } else if(_fAspectChanged || !(_fSetExtent || (_fIsPaintBrush && _fPBUseLocalSize))) { // try IOleObject::GetExtent as long as we shouldn't try for
// the metafile first.
// If this flag was set, it has done its job so turn it off.
_fAspectChanged = FALSE;
if(!(_pi.dwFlags & REO_GETMETAFILE)) { hr = _punkobj->QueryInterface(IID_IOleObject, (void **)&poo); if(hr == NOERROR) { hr = poo->GetExtent(_pi.dvaspect, (SIZE*)&_size); poo->Release(); } if(IsZombie()) return; } else hr = E_FAIL; if(hr != NOERROR) { if(_punkobj->QueryInterface(IID_IViewObject2, (void **)&pvo) == NOERROR) { hr = pvo->GetExtent(_pi.dvaspect, -1, NULL, (SIZE*)&_size); pvo->Release(); } }
if(IsZombie()) return; if(hr != NOERROR || _size.du == 0 || _size.dv == 0) _size.du = _size.dv = 2000; } }
/*
* COleObject::ConnectObject() * * @mfunc setup the necessary advises to the embedded object. * * @rdesc HRESULT * * @comm This code is similar to ole2ui's OleStdSetupAdvises */ HRESULT COleObject::ConnectObject() { IViewObject *pvo; IOleObject *poo;
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEINTERN, "COleObject::ConnectObject"); if(IsZombie()) return CO_E_RELEASED; Assert(_punkobj);
if(_punkobj->QueryInterface(IID_IViewObject, (void **)&pvo) == NOERROR) { pvo->SetAdvise(_pi.dvaspect, ADVF_PRIMEFIRST, (IAdviseSink *)this); pvo->Release(); }
if(IsZombie()) return CO_E_RELEASED; HRESULT hr = _punkobj->QueryInterface(IID_IOleObject, (void **)&poo); if(hr == NOERROR) { hr = poo->Advise((IAdviseSink *)this, &_dwConn);
CObjectMgr *pobjmgr = _ped->GetObjectMgr(); Assert(pobjmgr); if(!pobjmgr) { poo->Release(); return E_OUTOFMEMORY; }
// The doc may be NULL, but not the app. Don't do anything
// if the app name is NULL
if(pobjmgr->GetAppName()) { hr = poo->SetHostNames(pobjmgr->GetAppName(), pobjmgr->GetDocName()); } poo->Release(); }
if(IsZombie()) return CO_E_RELEASED; OleSetContainedObject(_punkobj, TRUE); return hr; }
/*
* COleObject::DisconnectObject * * @mfunc reverses the connections made in ConnectObject and releases * the object. Note that the object's storage is _NOT_ * released. */ void COleObject::DisconnectObject() { IOleObject * poo = NULL; IViewObject *pvo = NULL;
if(IsZombie()) return; // Already Disconnected.
if(_punkobj->QueryInterface(IID_IOleObject, (void **)&poo) == NOERROR) { poo->SetClientSite(NULL); if(_dwConn) poo->Unadvise(_dwConn); poo->Release(); }
if(_punkobj->QueryInterface(IID_IViewObject, (void **)&pvo) == NOERROR) { pvo->SetAdvise(_pi.dvaspect, ADVF_PRIMEFIRST, NULL); pvo->Release(); }
#ifndef NOINKOBJECT
SafeReleaseAndNULL((IUnknown**)&_pILineInfo); #endif
CoDisconnectObject(_punkobj, NULL); SafeReleaseAndNULL(&_punkobj); }
/*
* COleObject::MakeZombie() * * @mfunc Force this object to enter a zombie state. This * is called when we should be gone but aren't. It cleans * up our state and flags us so we don't do nasty things * between now and the time were are deleted. * */ void COleObject::MakeZombie() { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEINTERN, "COleObject::MakeZombie");
CleanupState(); Zombie(); }
/*
* COleObject::CleanupState() * * @mfunc Called on delete and when we become zombied. It cleans * up our member data and any other dependencies that need to * be resolved. */ void COleObject::CleanupState() { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEINTERN, "COleObject::CleanupState"); CDocInfo *pDocInfo = NULL; if(_ped) { pDocInfo = _ped->GetDocInfoNC(); if(!_fInUndo) { CNotifyMgr *pnm = _ped->GetNotifyMgr(); if(pnm) pnm->Remove((ITxNotify *)this);
_ped = NULL; } }
DisconnectObject();
if(_pstg) SafeReleaseAndNULL((IUnknown**)&_pstg);
if(_hdib) { ::DeleteObject(_hdib); _hdib = NULL; }
if(!pDocInfo || _hdata != pDocInfo->_hdata) GlobalFree(_hdata); // Don't free _hdata if background is using it
_hdata = NULL; if(_pimageinfo) { delete _pimageinfo; _pimageinfo = NULL; } }
/*
* COleObject::ActivateObj (uiMsg, wParam, lParam) * * @mfunc Activates the object. * * @rdesc * BOOL Whether object has been activated. */ BOOL COleObject::ActivateObj( UINT uiMsg, WPARAM wParam, LPARAM lParam) { LPOLEOBJECT poo; HWND hwnd; MSG msg; DWORD dwPos;
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEINTERN, "COleObject::AcitvateObj");
if(_ped->TxGetWindow(&hwnd) != NOERROR) return FALSE;
// Fill in message structure
msg.hwnd = hwnd; msg.message = uiMsg; msg.wParam = wParam; msg.lParam = lParam; msg.time = GetMessageTime(); dwPos = GetMessagePos(); msg.pt.x = (LONG) LOWORD(dwPos); msg.pt.y = (LONG) HIWORD(dwPos);
// Force this object to be selected, if it isn't already
// Update the selection before making the outgoing call
if(!(_pi.dwFlags & REO_SELECTED)) { CTxtSelection *psel = _ped->GetSel(); if(psel) psel->SetSelection(_cp, _cp + 1); }
// Execute the primary verb
if(_punkobj->QueryInterface(IID_IOleObject, (void **)&poo) == NOERROR) { _fActivateCalled = TRUE;
// Make sure we tell the object its size has changed if we haven't
// already notified it.
if(_fSetExtent) SetExtent(SE_ACTIVATING);
HRESULT hr; RECTUV rc; RECT rcPos;
GetRectuv(rc); _ped->_pdp->RectFromRectuv(rcPos, rc); hr = poo->DoVerb(OLEIVERB_PRIMARY, &msg, (LPOLECLIENTSITE)this, 0, hwnd, &rcPos);
if(FAILED(hr)) { ENOLEOPFAILED enoleopfailed;
enoleopfailed.iob = _ped->_pobjmgr->FindIndexForCp(GetCp()); enoleopfailed.lOper = OLEOP_DOVERB; enoleopfailed.hr = hr; _ped->TxNotify(EN_OLEOPFAILED, &enoleopfailed); } poo->Release(); if(_fInPlaceActive && !(_pi.dwFlags & REO_INPLACEACTIVE)) { CObjectMgr *pobjmgr = _ped->GetObjectMgr(); if(!pobjmgr) { _fActivateCalled = FALSE; return FALSE; }
Assert(!pobjmgr->GetInPlaceActiveObject()); pobjmgr->SetInPlaceActiveObject(this); _pi.dwFlags |= REO_INPLACEACTIVE; } _fActivateCalled = FALSE; } else return FALSE;
return TRUE; }
/*
* COleObject::DeActivateObj * * @mfunc Deactivates the object. * */ HRESULT COleObject::DeActivateObj(void) { IOleInPlaceObject * pipo; IOleObject *poo; MSG msg; HRESULT hr = NOERROR;
TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEINTERN, "COleObject::DeActivateObj");
if (_fDeactivateCalled) { // There are multiple paths through the deactive code. The assumption
// with this logic is that it is more disconcerting for an app to
// get multiple deactivate calls than the opposite. This might
// prove to be an incorrect assumption. This go put in because I
// added a DeActivateObj call in DeActivateObj where there wasn't
// one before and I was afraid that this could cause problems because
// apps might get a call that they didn't have before. It is important
// to note that the opposite might be the case. (a-rsail).
return NOERROR; }
_fDeactivateCalled = TRUE;
if(_punkobj->QueryInterface(IID_IOleInPlaceObject, (void **)&pipo) == NOERROR) { hr =_punkobj->QueryInterface(IID_IOleObject, (void **)&poo); if(hr == NOERROR) { // This code is a bit different from 1.0, but seems to
// make things work a bit better. Basically, we've taken a leaf
// from various sample apps and do the most brute force "de-activate"
// possible (you'd think just one call would be enough ;-)
// Don't bother with the error return here.
pipo->UIDeactivate(); // Fake something
ZeroMemory(&msg, sizeof(MSG)); msg.message = WM_LBUTTONDOWN; _ped->TxGetWindow(&msg.hwnd);
RECT rcPos; RECTUV rcuv; GetRectuv(rcuv); _ped->_pdp->RectFromRectuv(rcPos, rcuv);
// Again, don't bother checking for errors; we need to
// plow through and get rid of stuff as much as possible.
poo->DoVerb(OLEIVERB_HIDE, &msg, (IOleClientSite *)this, -1, msg.hwnd, &rcPos);
// COMPATIBILITY ISSUE (alexgo): the RE1.0 code did some funny
// stuff with undo here, but I don't think it's necessary now
// with our multi-level undo model.
hr = pipo->InPlaceDeactivate(); poo->Release(); } pipo->Release(); }
_fDeactivateCalled = FALSE; return hr; }
/*
* COleObject::Convert (rclsidNew, lpstrUserTypeNew) * * @mfunc Converts the object to the specified class. Does reload * the object but does NOT force an update (caller must do this). * * @rdesc * HRESULT Success code. */ HRESULT COleObject::Convert( REFCLSID rclsidNew, //@parm Destination clsid
LPCSTR lpstrUserTypeNew) //@parm New user type name
{ TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::Convert");
CLIPFORMAT cfOld; CLSID clsidOld; LPOLESTR szUserTypeOld = NULL; HRESULT hr; HRESULT hrLatest; UsesMakeOLESTR;
// If object has no storage, return
if(!_pstg) return ResultFromScode(E_INVALIDARG);
// Read the old class, format, and user type in
if ((hr = ReadClassStg(_pstg, &clsidOld)) || (hr = ReadFmtUserTypeStg(_pstg, &cfOld, &szUserTypeOld))) { return hr; }
// Unload object
Close(OLECLOSE_SAVEIFDIRTY); _punkobj->Release();
if(IsZombie()) return CO_E_RELEASED;
// Write new class and user type, but old format, into storage
if ((hr = WriteClassStg(_pstg, rclsidNew)) || (hr = WriteFmtUserTypeStg(_pstg, cfOld, (LPOLESTR) MakeOLESTR(lpstrUserTypeNew))) || (hr = SetConvertStg(_pstg, TRUE)) || ((hr = _pstg->Commit(0)) && (hr = _pstg->Commit(STGC_OVERWRITE)))) { // Uh oh, we're in a bad state; rewrite the original info
(VOID) WriteClassStg(_pstg, clsidOld); (VOID) WriteFmtUserTypeStg(_pstg, cfOld, szUserTypeOld); }
if(IsZombie()) return CO_E_RELEASED;
// Reload the object and connect. If we can't reload it, delete it.
hrLatest = OleLoad(_pstg, IID_IOleObject, (LPOLECLIENTSITE) this, (void **)&_punkobj);
if(hrLatest != NOERROR) { CRchTxtPtr rtp(_ped, _cp);
// we don't want the delete of this object to go on the undo
// stack. We use a space so that cp's will work out right for
// other undo actions.
rtp.ReplaceRange(1, 1, L" ", NULL, -1); } else ConnectObject();
// Free the old
CoTaskMemFree(szUserTypeOld); return hr ? hr : hrLatest; }
/*
* COleObject::ActivateAs (rclsid, rclsidAs) * * @mfunc Handles a request by the user to activate all objects of a particular * class as objects of another class. * * @rdesc * HRESULT Success code. */ HRESULT COleObject::ActivateAs( REFCLSID rclsid, REFCLSID rclsidAs) { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::ActivateAs");
IOleObject * poo = NULL; CLSID clsid;
// Get clsid of object
HRESULT hr = _punkobj->QueryInterface(IID_IOleObject, (void **)&poo); if(hr == NOERROR) { // NOTE: We are depending on the behavior of GetUserClassID to
// return the current clsid of the object (not the TreatAs id).
// This should hold true as long as long as we haven't reloaded
// it yet. If there are problems with ActivateAs in the future,
// this might be a suspect.
hr = poo->GetUserClassID(&clsid); poo->Release(); }
if(hr != NOERROR) return hr; if(IsZombie()) return CO_E_RELEASED;
// Check to see if object clsid matches clsid to be treated as something
// else. If it is we need to unload and reload the object.
if(IsEqualCLSID(clsid, rclsid)) { // Unload object
Close(OLECLOSE_SAVEIFDIRTY); _punkobj->Release();
if(IsZombie()) return CO_E_RELEASED;
// Reload object and connect. If we can't reload it, delete it.
hr = OleLoad(_pstg, IID_IOleObject, (LPOLECLIENTSITE) this, (void **)&_punkobj);
if(hr != NOERROR) { CRchTxtPtr rtp(_ped, _cp);
// We don't want the delete of this object to go on the undo
// stack. We use a space so that cp's will work out right for
// other undo actions.
rtp.ReplaceRange(1, 1, L" ", NULL, -1); } else ConnectObject(); } return hr; }
/*
* COleObject::SetLinkAvailable(fAvailable) * * @mfunc * Allows client to tell us whether the link is available or not. * * @rdesc * HRESULT Success code. */ HRESULT COleObject::SetLinkAvailable( BOOL fAvailable) //@parm if TRUE, make object linkable
{ TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::SetLinkAvailable"); // If this is not a link, return
if(!(_pi.dwFlags & REO_LINK)) return E_INVALIDARG;
// Set flag as appropriate
_pi.dwFlags &= ~REO_LINKAVAILABLE; if(fAvailable) _pi.dwFlags |= REO_LINKAVAILABLE;
return NOERROR; }
/*
* COleObject::WriteTextInfoToEditStream(pes, CodePage) * * @mfunc * Used for textize support, Tries to determine the text representation * for an object and then writes that info to the given stream. If * CodePage = 1200 (little-endian Unicode), the object is queried for * Unicode text; else it's queried for Ansi text. * * @rdesc * LONG count of chars written */ LONG COleObject::WriteTextInfoToEditStream( EDITSTREAM *pes, //@parm Edit stream to write to
UINT CodePage) //@parm CodePage: 1200 uses Unicode; else Ansi
{ LONG cbWritten = 0; BOOL fUnicode = CodePage == 1200; STGMEDIUM med; IDataObject *pdataobj = NULL; IOleObject * poo;
HRESULT hr = _punkobj->QueryInterface(IID_IOleObject, (void **)&poo); if(hr == NOERROR) { hr = poo->GetClipboardData(0, &pdataobj); poo->Release(); }
if(FAILED(hr)) { hr = _punkobj->QueryInterface(IID_IDataObject, (void **)&pdataobj); if(FAILED(hr)) { pes->dwError = (DWORD) E_FAIL; goto Default; } }
med.tymed = TYMED_HGLOBAL; med.pUnkForRelease = NULL; med.hGlobal = NULL;
hr = pdataobj->GetData(&g_rgFETC[fUnicode ? iUnicodeFETC : iAnsiFETC], &med); if(FAILED(hr)) pes->dwError = (DWORD)hr; else { HANDLE hGlobal = med.hGlobal; LONG cb = 0; BYTE * pb = (BYTE *)GlobalLock(hGlobal); if(pb) { if(fUnicode) for(; (WCHAR)pb[cb]; cb += 2); else for(; pb[cb]; cb++);
pes->dwError = pes->pfnCallback(pes->dwCookie, pb, cb, &cbWritten); GlobalUnlock(hGlobal); } ReleaseStgMedium(&med); }
Default: if(cbWritten <= 0) { BYTE rgb[] = {' ', 0};
pes->pfnCallback(pes->dwCookie, rgb, 1 + fUnicode, &cbWritten); pes->dwError = 0; }
pdataobj->Release(); return cbWritten; }
/*
* COleObject::SetDvaspect (dvaspect) * * @mfunc Allows client to tell us which aspect to use and force us * to recompute positioning and redraw. */ void COleObject::SetDvaspect( DWORD dvaspect) //@parm the aspect to use
{ TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::SetDvaspect");
_pi.dvaspect = dvaspect; // Force FetchObjectExtents to call through
_fAspectChanged = TRUE;
// Cause ourselves to redraw and update
OnViewChange(dvaspect, (DWORD) -1); }
/*
* COleObject::HandsOffStorage * * @mfunc See IPersistStore::HandsOffStorage. * */ void COleObject::HandsOffStorage(void) { TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::HandsOffStorage");
// Free storage we currently have, if we have one.
SafeReleaseAndNULL((IUnknown**)&_pstg); }
/*
* COleObject::SaveCompleted * * @mfunc See IPersistStore::SaveCompleted. */ void COleObject::SaveCompleted( LPSTORAGE lpstg) //@parm new storage
{ TRACEBEGIN(TRCSUBSYSOLE, TRCSCOPEEXTERN, "COleObject::SaveCompleted");
// Did our caller give us a new storage to remember?
if(lpstg) { // Free storage we currently have, if we have one
if(_pstg) SafeReleaseAndNULL((IUnknown**)&_pstg);
// Remember storage we are given, since we are given one
lpstg->AddRef(); _pstg = lpstg; } }
/*
* SetAllowedResizeDirections * * @func Resizing helper function * */ static void SetAllowedResizeDirections( const POINTUV & pt, const RECTUV & rc, LPTSTR lphand, BOOL & fTop, BOOL & fBottom, BOOL & fLeft, BOOL & fRight) { fTop = abs(pt.v - rc.top) < abs(pt.v - rc.bottom); fBottom = !fTop; fLeft = abs(pt.u - rc.left) < abs(pt.u - rc.right); fRight = !fLeft;
if(lphand == IDC_SIZENS) fLeft = fRight = FALSE; else if(lphand == IDC_SIZEWE) fTop = fBottom = FALSE; }
/*
* COleObject::HandleResize (&ptxy) * * @mfunc Deal with object resizing. * * @rdesc BOOL */ BOOL COleObject::HandleResize( const POINT &ptxy) { LPTSTR lphand; DWORD dwFlags = _pi.dwFlags; HWND hwnd; RECT rcxyPos; RECTUV rcPos; BOOL fTop, fBottom, fLeft, fRight, fEscape; POINTUV pt; CDisplay *pdp = _ped->_pdp; int dupMin = pdp->GetDupSystemFont(); int dvpMin = pdp->GetDvpSystemFont();
pdp->PointuvFromPoint(pt, ptxy);
if(!(dwFlags & REO_SELECTED) || !(dwFlags & REO_RESIZABLE) || (lphand = CheckForHandleHit(pt, TRUE)) == NULL) return FALSE; GetRectuv(rcPos); pdp->RectFromRectuv(rcxyPos, rcPos);
HDC hdc = pdp->GetDC(); _ped->TxGetWindow(&hwnd); SetCapture(hwnd); SetAllowedResizeDirections(pt, rcPos, lphand, fTop, fBottom, fLeft, fRight); // Erase and redraw frame without handles.
DrawFrame(pdp, hdc, &rcxyPos); _pi.dwFlags = REO_NULL; DrawFrame(pdp, hdc, &rcxyPos);
fEscape = FALSE; const INT vkey = GetSystemMetrics(SM_SWAPBUTTON) ? VK_RBUTTON : VK_LBUTTON; while (GetAsyncKeyState(vkey) & 0x8000) { POINT ptLast = ptxy; POINT ptxyCur; POINTUV ptCur; MSG msg;
// Stop if the ESC key has been pressed
if(GetAsyncKeyState(VK_ESCAPE) & 0x0001) { fEscape = TRUE; break; } GetCursorPos(&ptxyCur); ScreenToClient(hwnd, &ptxyCur); pdp->PointuvFromPoint(ptCur, ptxyCur);
#ifndef UNDER_CE
// GetCursorPos() isn't supported on WinCE. We have it hacked to
// be GetMessagePos() which unfortunately in this case will cause
// ptCur to never change. By removing this check we end up drawing
// multiple times when the user pauses during a resize.
// If mouse hasn't moved, try again
if((ptxyCur.x == ptLast.x) && (ptxyCur.y == ptLast.y)) continue; #endif
ptLast = ptxyCur;
// Erase old rectangle, update rectangle, and redraw
DrawFrame(pdp, hdc, &rcxyPos);
if(fLeft) rcPos.left = min(ptCur.u, rcPos.right - dupMin); if(fRight) rcPos.right = max(ptCur.u, rcPos.left + dupMin); if(fTop) rcPos.top = min(ptCur.v, rcPos.bottom - dvpMin); if(fBottom) rcPos.bottom = max(ptCur.v, rcPos.top + dvpMin);
pdp->RectFromRectuv(rcxyPos, rcPos); DrawFrame(pdp, hdc, &rcxyPos);
// FUTURE: (joseogl): It would be cool if we could do something
// better here, but for now, it appears to be necessary.
Sleep(100); // Eat input messages
if (PeekMessage(&msg, 0, WM_KEYFIRST, WM_KEYLAST, PM_REMOVE) || PeekMessage(&msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE | PM_NOYIELD) || PeekMessage(&msg, 0, WM_NCMOUSEMOVE, WM_NCMBUTTONDBLCLK, PM_REMOVE | PM_NOYIELD)) { // Break out of the loop if the Escape key was pressed
if(msg.message == WM_KEYDOWN && msg.wParam == VK_ESCAPE) { fEscape = TRUE; break; } } }
DrawFrame(pdp, hdc, &rcxyPos); ReleaseCapture(); _pi.dwFlags = dwFlags;
// Resize unless the user aborted
if(!fEscape) { SIZEUV size; if (IsUVerticalTflow(pdp->GetTflow()) && !(_pi.dwFlags & REO_CANROTATE)) { size.du = rcPos.bottom - rcPos.top; size.dv = rcPos.right - rcPos.left; } else { size.du = rcPos.right - rcPos.left; size.dv = rcPos.bottom - rcPos.top; }
size.du = pdp->DUtoHimetricU(size.du); size.dv = pdp->DVtoHimetricV(size.dv); Resize(size, TRUE); }
pdp->ReleaseDC(hdc); return TRUE; }
/*
* COleObject::Resize(size) * * @mfunc Set new object size. Handle undo details. */ void COleObject::Resize( const SIZEUV &size, BOOL fCreateAntiEvent) { CDisplay * pdp = _ped->_pdp; SIZEUV sizeold = _size;
// Change the size of our internal representation.
_size = size;
//If size didn't really change, don't do anything else.
if(size.du != sizeold.du || size.dv != sizeold.dv) { if(_ped->_fUseUndo && fCreateAntiEvent) { CGenUndoBuilder undobldr(_ped, UB_AUTOCOMMIT); IAntiEvent *pae;
pae = gAEDispenser.CreateResizeObjectAE(_ped, this, sizeold); if(pae) undobldr.AddAntiEvent(pae); }
SetExtent(SE_NOTACTIVATING);
// Force a redraw that will stretch the object.
pdp->OnPostReplaceRange(CP_INFINITE, 0, 0, _cp, _cp + 1, NULL);
_ped->GetCallMgr()->SetChangeEvent(CN_GENERIC); } }
/*
* COleObject::OnReposition () * * @mfunc Set object's new position. May have changed as a result of scrolling. */ void COleObject::OnReposition() { IOleInPlaceObject *pipo;
if(!_fInPlaceActive) { // If we're not inplace active, don't do anything
return; }
if(_punkobj->QueryInterface(IID_IOleInPlaceObject, (void **)&pipo) == NOERROR) { RECTUV rcuvClip, rcuv; RECT rcClip, rc;
_ped->_pdp->GetViewRect(rcuvClip); _ped->_pdp->RectFromRectuv(rcClip, rcuvClip);
GetRectuv(rcuv); _ped->_pdp->RectFromRectuv(rc, rcuv);
pipo->SetObjectRects(&rc, &rcClip); pipo->Release(); } }
/*
* COleObject::GetRectuv(rc) * * @mfunc Compute the object's position rectangle from its cp. */ void COleObject::GetRectuv( RECTUV &rc) { CRchTxtPtr rtp(_ped, _cp); POINTUV pt; CDispDim dispdim;
DWORD grf = TA_BASELINE; if (_pi.dwFlags & REO_BELOWBASELINE) grf = TA_BOTTOM; if(_ped->_pdp->PointFromTp(rtp, NULL, FALSE, pt, NULL, grf, &dispdim) == -1) return;
rc.left = pt.u; rc.right = rc.left + dispdim.dup; rc.bottom = pt.v;
LONG dv = _size.dv; if (IsUVerticalTflow(_ped->_pdp->GetTflow()) && !(_pi.dwFlags & REO_CANROTATE)) dv = _size.du;
rc.top = rc.bottom - _ped->_pdp->HimetricVtoDV(dv); }
#ifdef DEBUG
void COleObject::DbgDump(DWORD id) { Tracef(TRCSEVNONE, "Object #%d %X: cp = %d , ",id,this,_cp); } #endif
/*
* COleObject:SetExtent(iActivating) * * @mfunc A wrapper around IOleObject::SetExtent which makes some additional * checks if the first call to IOleObject::SetExtent fails. * * @rdesc HRESULT */ HRESULT COleObject::SetExtent( int iActivating) //@parm indicates if object is currently being activated
{ LPOLEOBJECT poo;
// If we are connected to a link object, the native extent can't be change,
// so don't bother doing anything here.
if(_pi.dwFlags & REO_LINK) { // So we don't call GetExtents on remeasuring.
_fSetExtent = TRUE; return NOERROR; }
HRESULT hr = _punkobj->QueryInterface(IID_IOleObject, (void **)&poo); if(hr != NOERROR) return hr;
// If we are about to activate the object, fall through and OleRun the
// object prior to attempting to SetExtent. Otherwise, attempt a SetExtent
// directly.
if(iActivating == SE_NOTACTIVATING) { // By default, we will call SetExtent when the object is next activated.
_fSetExtent = TRUE;
hr = poo->SetExtent(_pi.dvaspect, (SIZE*)&_size);
DWORD dwStatus;
// If the server is not running we need to to some additional
// checking. If it was, we do not need to call SetExtent again.
// Find out if OLEMISC_RECOMPOSEONRESIZE is set. If it is, we should
// run the object and call setextent. If not, we defer calling set
// extent until we are ready to activate the object.
if(!(hr == OLE_E_NOTRUNNING && poo->GetMiscStatus(_pi.dvaspect, &dwStatus) == NOERROR && (dwStatus & OLEMISC_RECOMPOSEONRESIZE))) { goto DontRunAndSetAgain; } // Fall through and attempt the SetExtent again after running the object
}
SIZEUV sizesave; sizesave = _size; OleRun(_punkobj); // This call causes _size to be reset
// via OLE and FetchObjectExtents.
_size = sizesave; poo->SetExtent(_pi.dvaspect, (SIZE*)&_size);
DontRunAndSetAgain: if((hr == NOERROR) || (iActivating == SE_NOTACTIVATING && hr != OLE_E_NOTRUNNING)) { _fSetExtent = FALSE; } // If the server is still not running, we try again at
// activation time. Otherwise the server has either
// done its thing or it doesn't do resize. Either way
// we don't bother trying again at activation time.
if(hr == NOERROR && _fIsPaintBrush) { SIZEUV sizeChk;
poo->GetExtent(_pi.dvaspect, (SIZE*)&sizeChk); _fPBUseLocalSize = !(sizeChk.du == _size.du && sizeChk.dv == _size.dv); // HACK: Calls to SetExtent on PaintBrush objects may not
// actually change the object extents. In such cases,
// we will rely on local _size for PaintBrush object extents.
} poo->Release(); return hr; }
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