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windows-nt/Source/XPSP1/NT/windows/richedit/re30/coleobj.cpp
CryptoAlgo Inc b3cac27891 Add source files
2020-09-26 16:20:57 +08:00

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/*
* @doc INTERNAL
*
* @module COLEOBJ.CPP OLE Object management class implemenation |
*
* Author: alexgo 10/24/95
*
* Note: 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.
*
* Copyright (c) 1995-1998, 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 } };
#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)
{
// Invalidate rect that we're in.
_ped->TxInvalidateRect(&_rcPos, FALSE);
// 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();
// COMPATIBILITY ISSUE: (alexgo) the RE1.0 code did some funny
// stuff with undo here. I don't believe it's necessary to
// repeat that code with our multi-level undo model,
}
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;
// If the mode changes
if(_ped->GetObjectMgr()->GetHelpMode() != fEnterMode)
{
_ped->GetObjectMgr()->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();
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)
{
// Recall that there are two rects here in client coordiantes:
// the rect for this object (_rcPos) and the rect for
// our main display;
*prcPos = _rcPos;
// 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 draw outside the
// areas they are supposed to. So we need to
// just invalidate everything and redraw.
_ped->TxInvalidateRect(NULL, TRUE);
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 _sizel
SetExtent(SE_NOTACTIVATING);
}
// Some objects 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->TxInvalidateRect(NULL, TRUE);
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;
if(prcPos->left != _rcPos.left || prcPos->top != _rcPos.top)
{
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);
_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 of the changes
LONG cchDel, //@parm #of chars deleted
LONG cchNew, //@parm # of chars added
LONG cpFormatMin, //@parm min cp of formatting changes
LONG cpFormatMax) //@parm max cp of formatting 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 of the changes
LONG cchDel, //@parm #of chars deleted
LONG cchNew, //@parm # of chars added
LONG cpFormatMin, //@parm min cp of formatting changes
LONG cpFormatMax) //@parm max cp of formatting changes
{
// The only case we need to worry about is when changes
// come before our object
Assert(_fInUndo == FALSE);
_fDraw = TRUE;
if(cp <= _cp)
{
if(cp + cchDel > _cp)
{
_fDraw = FALSE;
return;
}
_cp += (cchNew - cchDel);
}
}
/*
* 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;
preobj->sizel = _sizel;
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;
CRchTxtPtr rtp(_ped, 0);
POINT pt;
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;
_sizel = preobj->sizel; // 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, _fPBUseLocalSizel, which
// indicates that for this PB object, SetExtent calls are not
// acknowledged by the object, and we are to use our local value
// of _sizel as the object extents.
FetchObjectExtents();
SetExtent(SE_NOTACTIVATING);
}
hr = ConnectObject();
if(IsZombie())
return CO_E_RELEASED;
// This is a bit non-intuitive, but we need to figure out
// where the object would be so that it can inplace activate correctly.
if(cp)
cp--;
rtp.SetCp(cp);
pt.x = pt.y = 0;
if (!_ped->_pdp->IsFrozen())
_ped->_pdp->PointFromTp(rtp, NULL, FALSE, pt, NULL, TA_TOP);
_rcPos.top = _rcPos.bottom = pt.y; //bottom will be set below in
// FetchExtents
_rcPos.left = _rcPos.right = pt.x;
if(preobj->sizel.cx || preobj->sizel.cy)
_sizel = preobj->sizel;
else
FetchObjectExtents();
if (!_ped->_pdp->IsFrozen())
ResetPosRect();
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, xWidth, yHeight, yDescent)
*
* 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 dypInch, //@parm resolution of device
long dxpInch,
LONG & xWidth, //@parm Object width
LONG & yAscent, //@parm Object ascent
LONG & yDescent, //@parm Object descent
SHORT yDescentFont) //@parm object's font descent
{
xWidth = W32->HimetricXtoDX(_sizel.cx, dxpInch);
LONG yHeight = W32->HimetricYtoDY(_sizel.cy, dypInch);
if (_pi.dwFlags & REO_BELOWBASELINE)
{
yDescent = yDescentFont;
yAscent = max(0, yHeight - yDescent);
}
else //The normal case
{
yAscent = yHeight;
yDescent = 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 x, //@parm Upper left corner x coordinate of handle box
int y, //@parm Upper left corner y coordinate of handle box
const POINT &pt)//@parm Point to check
{
RECT rc;
rc.left = x;
rc.top = y;
// Add one to bottom right because PtInRect does not consider
// points on bottom or right to be in rect.
rc.right = x + dxyHandle + 1;
rc.bottom = y + 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 POINT &pt) //@parm POINT containing client coord. of the cursor.
{
RECT rc;
// If object is not resizeable, no chance of hitting a resize handle!
if(!(_pi.dwFlags & REO_RESIZABLE))
return NULL;
CopyRect(&rc, &_rcPos);
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;
// 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))
{
return IDC_SIZENWSE;
}
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))
{
return IDC_SIZEWE;
}
if(InHandle(rc.left, rc.bottom-dxyHandle, pt) ||
InHandle(rc.right-dxyHandle, rc.top, pt))
{
return IDC_SIZENESW;
}
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))
{
return IDC_SIZENS;
}
return NULL;
}
/*
* 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, (LPRECT)&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
SaveDC(hdc);
SetROP2(hdc, R2_NOT);
SelectObject(hdc, GetStockObject(NULL_BRUSH));
Rectangle(hdc, rc.left, rc.top, rc.right, rc.bottom);
RestoreDC(hdc, -1);
}
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 TARGET_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);
LPBITMAPINFO pbmi = (LPBITMAPINFO) LocalLock(_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
*/
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)
BOOL fMetafile, //@parm Whether the HDC is a metafile
POINT * ppt, //@parm Top left corner of where to draw
RECT * prcRender, //@parm Pointer to render rectangle
LONG yBaselineLine,
LONG yDescentMaxCur)
{
LONG adjust = 0;
BOOL fMultipleSelect = FALSE;
CObjectMgr * pobjmgr = _ped->GetObjectMgr();
IViewObject * pvo;
CDisplayPrinter *pdpPrint;
RECT rc, rc1;
LONG cpMin, cpMost;
_ped->GetSelRangeForRender(&cpMin, &cpMost);
BOOL fSelected = _cp >= cpMin && _cp < cpMost;
SaveDC(hdc);
if (fSelected)
SetBkMode(hdc, OPAQUE);
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;
}
//REVIEW (keithcu) Do we need this?
//Worse case, update only if pdp->IsMain(). This whole thing is ugly.
if (pdp->IsMain())
ResetPosRect(&adjust); // Update position rectangle
// Draw object where we are asked within rendering rectangle
rc.left = ppt->x;
rc.right = rc.left + W32->HimetricXtoDX(_sizel.cx, dxpInch);
rc.bottom = ppt->y + yBaselineLine;
rc.top = rc.bottom - W32->HimetricYtoDY(_sizel.cy, dypInch);
if (_pi.dwFlags & REO_BELOWBASELINE)
OffsetRect(&rc, 0, yDescentMaxCur);
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, prcRender->left, prcRender->top,
prcRender->right, prcRender->bottom);
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;
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())
{
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;
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();
}
}
/*
* COleObject::ScrollObject(dx, dy, prcScroll)
*
* @mfunc updates _rcPos if we were scrolled
*/
void COleObject::ScrollObject(
LONG dx, //@parm Change in the x direction
LONG dy, //@parm Change in the y direction
LPCRECT prcScroll) //@parm Rect that is being scrolled
{
RECT rcInter;
// If we're inplace active, OnReposition will handle the scrolling
if(!_fInPlaceActive && !_fGuardPosRect &&
IntersectRect(&rcInter, &_rcPos, prcScroll))
{
OffsetRect(&_rcPos, dx, dy);
}
}
//
// 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 failes, 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. _sizel is updated
*/
void COleObject::FetchObjectExtents()
{
HRESULT hr = NOERROR;
IOleObject *poo;
IViewObject2 *pvo;
CDisplay *pdp;
if(IsZombie())
return;
// We _don't_ want to make calls to GetExtent if:
// (1) We have outstanding updates to _sizel 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(_fAspectChanged || !(_fSetExtent || (_fIsPaintBrush && _fPBUseLocalSizel)))
{
// 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, &_sizel);
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, &_sizel);
pvo->Release();
}
}
if(IsZombie())
return;
if(hr != NOERROR || _sizel.cx == 0 || _sizel.cy == 0)
_sizel.cx = _sizel.cy = 2000;
}
// If _fSetExtent==TRUE, we've made a change to _sizel for which
// we haven't called IOleObject::SetExtent successfully. Therefore
// fall through with existing _sizel.
// Update our position rectangle
pdp = _ped->_pdp;
_rcPos.right = _rcPos.left + pdp->HimetricXtoDX(_sizel.cx);
_rcPos.bottom = _rcPos.top + pdp->HimetricYtoDY(_sizel.cy);
}
/*
* 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);
// 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();
}
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");
if(_ped && !_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;
}
GlobalFree(_hdata);
_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;
ResetPosRect();
// 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;
hr = poo->DoVerb(OLEIVERB_PRIMARY, &msg, (LPOLECLIENTSITE)this, 0, hwnd, &_rcPos);
#ifndef MACPORT
if(FAILED(hr))
{
ENOLEOPFAILED enoleopfailed;
enoleopfailed.iob = _ped->_pobjmgr->FindIndexForCp(GetCp());
enoleopfailed.lOper = OLEOP_DOVERB;
enoleopfailed.hr = hr;
_ped->TxNotify(EN_OLEOPFAILED, &enoleopfailed);
}
#endif
poo->Release();
if(_fInPlaceActive && !(_pi.dwFlags & REO_INPLACEACTIVE))
{
CObjectMgr *pobjmgr = _ped->GetObjectMgr();
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;
ResetPosRect();
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);
// 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)
*
* @mfunc
* Used for textize support, Tries to determine the text
* representation for an object and then writes that info
* to the given stream. The only thing this is particularly useful
* for is to support richedit1.0's TEXTIZED data format.
*
* @rdesc
* LONG Number of chras written..
*/
LONG COleObject::WriteTextInfoToEditStream(
EDITSTREAM *pes)
{
LONG cch;
LONG cbWritten = 0;
IOleObject *poo;
IDataObject *pdataobj = NULL;
STGMEDIUM med;
char *pch; //we only deal with ANSI data here
HANDLE hGlobal;
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[iAnsiFETC], &med);
if(FAILED(hr))
pes->dwError = (DWORD)hr;
else
{
hGlobal = med.hGlobal;
pch = (char *)GlobalLock(hGlobal);
if(pch)
{
for (cch = 0; pch[cch]; cch++);
pes->dwError = pes->pfnCallback(pes->dwCookie, (BYTE *)pch, cch,
&cbWritten);
GlobalUnlock(hGlobal);
}
ReleaseStgMedium(&med);
}
Default:
if(cbWritten <= 0)
{
char ch = ' ';
pes->pfnCallback(pes->dwCookie, (BYTE *)&ch, sizeof(char), &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 POINT & pt,
const RECT & rc,
LPTSTR lphand,
BOOL & fTop,
BOOL & fBottom,
BOOL & fLeft,
BOOL & fRight)
{
fTop = abs(pt.y - rc.top) < abs(pt.y - rc.bottom);
fBottom = !fTop;
fLeft = abs(pt.x - rc.left) < abs(pt.x - rc.right);
fRight = !fLeft;
if(lphand == IDC_SIZENS)
fLeft = fRight = FALSE;
else if(lphand == IDC_SIZEWE)
fTop = fBottom = FALSE;
}
/*
* SetRestriction.
*
* @func Resizing helper function determines bounding rectangle for resizing.
*/
static void SetRestriction(
RECT & rc,
HWND hwnd,
DWORD dwScroll)
{
GetClientRect(hwnd, &rc);
InflateRect(&rc, -1, -1); // So rectangle is visible
// Allow objects to grow larger than the window in the
// directions which have scrollbars
if(dwScroll & WS_HSCROLL)
rc.right = MAXLONG;
if(dwScroll & WS_VSCROLL)
rc.bottom = MAXLONG;
}
/*
* Restrict (&pt, &rc)
*
* @func Resizing helper function bounds a point within a rectangle
*/
static void Restrict(
POINT &pt,
RECT &rc)
{
if(pt.x < rc.left)
pt.x = rc.left;
else if(pt.x > rc.right)
pt.x = rc.right;
if(pt.y < rc.top)
pt.y = rc.top;
else if(pt.y > rc.bottom)
pt.y = rc.bottom;
}
/*
* COleObject::HandleResize (&pt)
*
* @mfunc Deal with object resizing.
*
* @rdesc BOOL
*/
BOOL COleObject::HandleResize(
const POINT &pt)
{
LPTSTR lphand;
DWORD dwFlags = _pi.dwFlags;
HWND hwnd;
RECT rcOld;
RECT rcRestrict;
BOOL fTop, fBottom, fLeft, fRight;
BOOL fEscape;
CDisplay *pdp = _ped->_pdp;
if(!(dwFlags & REO_SELECTED) ||
!(dwFlags & REO_RESIZABLE) ||
(lphand = CheckForHandleHit(pt)) == NULL || !pdp)
{
return FALSE;
}
HDC hdc = pdp->GetDC();
rcOld = _rcPos; // Save old size
_ped->TxGetWindow(&hwnd);
SetCapture(hwnd);
SetRestriction(rcRestrict, hwnd, _ped->TxGetScrollBars());
SetAllowedResizeDirections(pt, _rcPos, lphand,
fTop, fBottom, fLeft, fRight);
// Erase and redraw frame without handles.
DrawFrame(pdp, hdc, &_rcPos);
_pi.dwFlags = REO_NULL;
DrawFrame(pdp, hdc, &_rcPos);
fEscape = FALSE;
const INT vkey = GetSystemMetrics(SM_SWAPBUTTON) ? VK_RBUTTON : VK_LBUTTON;
while (GetAsyncKeyState(vkey) & 0x8000)
{
POINT ptLast = pt;
POINT ptCur;
MSG msg;
// Stop if the ESC key has been pressed
if(GetAsyncKeyState(VK_ESCAPE) & 0x0001)
{
fEscape = TRUE;
break;
}
GetCursorPos(&ptCur);
ScreenToClient(hwnd, &ptCur);
// 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.
#ifndef UNDER_CE
// If mouse hasn't moved, try again
if((ptCur.x == ptLast.x) && (ptCur.y == ptLast.y))
continue;
#endif
ptLast = ptCur;
Restrict(ptCur, rcRestrict);
// Erase old rectangle, update rectangle, and redraw
DrawFrame(pdp, hdc, &_rcPos);
if(fLeft) _rcPos.left = ptCur.x;
if(fRight) _rcPos.right = ptCur.x;
if(fTop) _rcPos.top = ptCur.y;
if(fBottom) _rcPos.bottom = ptCur.y;
// Keep a minimun width and height
INT xWidthSys = pdp->GetXWidthSys();
INT yHeightSys = pdp->GetYHeightSys();
if(_rcPos.right - _rcPos.left < xWidthSys)
{
if(fLeft) _rcPos.left = _rcPos.right - xWidthSys;
if(fRight) _rcPos.right = _rcPos.left + xWidthSys;
}
if(_rcPos.bottom - _rcPos.top < yHeightSys)
{
if(fTop) _rcPos.top = _rcPos.bottom - yHeightSys;
if(fBottom) _rcPos.bottom = _rcPos.top + yHeightSys;
}
DrawFrame(pdp, hdc, &_rcPos);
// FUTURE: (joseogl): It would be cool if we could do something
// bettter 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_NCMOUSEFIRST,
WM_NCMOUSELAST, 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, &_rcPos);
ReleaseCapture();
RECT rcNew = _rcPos;
_rcPos = rcOld;
_pi.dwFlags = dwFlags;
// If user aborted, then we skip the resizing stuff
if(fEscape)
DrawFrame(pdp, hdc, &_rcPos);
else
{
EnableGuardPosRect();
Resize(rcNew);
DrawFrame(pdp, hdc, &_rcPos);
DisableGuardPosRect();
}
pdp->ReleaseDC(hdc);
return TRUE;
}
/*
* COleObject::Resize(rcNew)
*
* @mfunc Set new object size. Handle undo details.
*/
void COleObject::Resize(
const RECT &rcNew)
{
CDisplay * pdp = _ped->_pdp;
SIZEL sizelold = _sizel;
// Change the size of our internal representation.
_sizel.cx = pdp->DXtoHimetricX(rcNew.right - rcNew.left);
_sizel.cy = pdp->DYtoHimetricY(rcNew.bottom - rcNew.top);
//If size didn't really change, don't do anything else.
if(_sizel.cx != sizelold.cx || _sizel.cy != sizelold.cy)
{
if(_ped->_fUseUndo)
{
CGenUndoBuilder undobldr(_ped, UB_AUTOCOMMIT);
IAntiEvent *pae;
pae = gAEDispenser.CreateResizeObjectAE(_ped, this, _rcPos);
if(pae)
undobldr.AddAntiEvent(pae);
}
_rcPos.bottom = _rcPos.top + pdp->HimetricYtoDY(_sizel.cy);
_rcPos.right = _rcPos.left + pdp->HimetricXtoDX(_sizel.cx);
SetExtent(SE_NOTACTIVATING);
// Force a redraw that will stretch the object.
pdp->OnPostReplaceRange(CP_INFINITE, 0, 0, _cp, _cp + 1);
_ped->GetCallMgr()->SetChangeEvent(CN_GENERIC);
}
}
/*
* COleObject::OnReposition (dx, dy)
*
* @mfunc Set object's new position. May have changed as a result of scrolling.
*/
void COleObject::OnReposition(
LONG dx,
LONG dy)
{
IOleInPlaceObject *pipo;
RECT rcClip;
if(!_fInPlaceActive)
{
// If we're not inplace active, don't do anything
return;
}
_ped->_pdp->GetViewRect(rcClip);
_rcPos.left += dx;
_rcPos.right += dx;
_rcPos.top += dy;
_rcPos.bottom += dy;
if(_punkobj->QueryInterface(IID_IOleInPlaceObject, (void **)&pipo)
== NOERROR)
{
pipo->SetObjectRects(&_rcPos, &rcClip);
pipo->Release();
}
}
/*
* COleObject::ResetPosRect(pAdjust)
*
* @mfunc Recompute the object's position rectangle from its cp.
*/
void COleObject::ResetPosRect(
LONG *pAdjust) //@parm output adjustment needed for positioning below baseline
{
CRchTxtPtr rtp(_ped, 0);
POINT pt, pt1;
LONG yHeight = _ped->_pdp->HimetricYtoDY(_sizel.cy);
rtp.SetCp(_cp);
if(_ped->_pdp->PointFromTp(rtp, NULL, FALSE, pt, NULL, TA_TOP) == -1)
return;
_rcPos.top = pt.y;
_ped->_pdp->PointFromTp(rtp, NULL, FALSE, pt1, NULL,
(_pi.dwFlags & REO_BELOWBASELINE) ? TA_BOTTOM : TA_BASELINE);
if(pAdjust)
*pAdjust = 0;
if(pt1.y - pt.y > yHeight)
{
// If line is bigger than object move object down.
_rcPos.top += pt1.y - pt.y - yHeight;
if(pAdjust)
*pAdjust = pt1.y - pt.y - yHeight;
}
_rcPos.bottom = _rcPos.top + yHeight;
_rcPos.left = pt.x;
_rcPos.right = _rcPos.left + _ped->_pdp->HimetricXtoDX(_sizel.cx);
}
#ifdef DEBUG
void COleObject::DbgDump(DWORD id){
Tracef(TRCSEVNONE, "Object #%d %X: cp = %d , rect = (%d, %d, %d, %d)",id,this,_cp,_rcPos.top,_rcPos.left,_rcPos.bottom,_rcPos.right);
}
#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, &_sizel);
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
}
{
SIZEL sizelsave = _sizel;
OleRun(_punkobj); // This call causes _sizel to be reset
// via OLE and FetchObjectExtents.
_sizel = sizelsave;
}
poo->SetExtent(_pi.dvaspect, &_sizel);
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)
{
SIZEL sizelChk;
poo->GetExtent(_pi.dvaspect, &sizelChk);
_fPBUseLocalSizel = !(sizelChk.cx == _sizel.cx &&
sizelChk.cy == _sizel.cy);
// HACK: Calls to SetExtent on PaintBrush objects may not
// actually change the object extents. In such cases,
// we will rely on local _sizel for PaintBrush object extents.
}
poo->Release();
return hr;
}
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