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// Copyright (C) 1996-1997 Microsoft Corporation. All rights reserved.
#include "header.h"
#include "CtlHelp.H"
#include "StdEnum.H"
#include "internet.h"
#include "hhctrl.h"
#include <stddef.h>
#include <stdarg.h>
#ifndef _DEBUG
#undef THIS_FILE
static const char THIS_FILE[] = __FILE__; #endif
// this is used in our window proc so that we can find out who was last created
static COleControl *s_pLastControlCreated;
//=--------------------------------------------------------------------------=
// COleControl::COleControl
//=--------------------------------------------------------------------------=
// constructor
//
// Parameters:
// IUnknown * - [in] controlling Unknown
// int - [in] type of primary dispatch interface OBJECT_TYPE_*
// void * - [in] pointer to entire object
//
// Notes:
//
COleControl::COleControl ( IUnknown *pUnkOuter, int iPrimaryDispatch, void *pMainInterface ) : CAutomationObject(pUnkOuter, iPrimaryDispatch, pMainInterface), m_cpEvents(SINK_TYPE_EVENT), m_cpPropNotify(SINK_TYPE_PROPNOTIFY) { // initialize all our variables -- we decided against using a memory-zeroing
// memory allocator, so we sort of have to do this work now ...
//
m_nFreezeEvents = 0;
m_pClientSite = NULL; m_pControlSite = NULL; m_pInPlaceSite = NULL; m_pInPlaceFrame = NULL; m_pInPlaceUIWindow = NULL;
m_pInPlaceSiteWndless = NULL;
// certain hosts don't like 0,0 as your initial size, so we're going to set
// our initial size to 100,50 [so it's at least sort of visible on the screen]
m_Size.cx = 100; m_Size.cy = 50; SetRectEmpty(&m_rcLocation);
m_hwnd = NULL; m_hwndParent = NULL;
m_nFreezeEvents = 0; // m_pSimpleFrameSite = NULL;
m_pOleAdviseHolder = NULL; m_pViewAdviseSink = NULL; m_pDispAmbient = NULL;
m_fDirty = FALSE; m_fModeFlagValid = FALSE; m_fInPlaceActive = FALSE; m_fInPlaceVisible = FALSE; m_fUIActive = FALSE; m_fSaveSucceeded = FALSE; m_fViewAdvisePrimeFirst = FALSE; m_fViewAdviseOnlyOnce = FALSE; m_fRunMode = FALSE; }
//=--------------------------------------------------------------------------=
// COleControl::~COleControl
//=--------------------------------------------------------------------------=
// "We are all of us resigned to death; it's life we aren't resigned to."
// - Graham Greene (1904-91)
//
// Notes:
//
COleControl::~COleControl() { // if we've still got a window, go and kill it now.
//
if (m_hwnd) { // so our window proc doesn't crash.
//
SetWindowLong(m_hwnd, GWLP_USERDATA, 0xFFFFFFFF); DestroyWindow(m_hwnd); }
// clean up all the pointers we're holding around.
QUICK_RELEASE(m_pClientSite); QUICK_RELEASE(m_pControlSite); QUICK_RELEASE(m_pInPlaceSite); QUICK_RELEASE(m_pInPlaceFrame); QUICK_RELEASE(m_pInPlaceUIWindow); // QUICK_RELEASE(m_pSimpleFrameSite);
QUICK_RELEASE(m_pOleAdviseHolder); QUICK_RELEASE(m_pViewAdviseSink); QUICK_RELEASE(m_pDispAmbient);
QUICK_RELEASE(m_pInPlaceSiteWndless); }
//=--------------------------------------------------------------------------=
// COleControl::InternalQueryInterface
//=--------------------------------------------------------------------------=
// derived-controls should delegate back to this when they decide to support
// additional interfaces
//
// Parameters:
// REFIID - [in] interface they want
// void ** - [out] where they want to put the resulting object ptr.
//
// Output:
// HRESULT - S_OK, E_NOINTERFACE
//
// Notes:
// - NOTE: this function is speed critical!!!!
// Using the typedef'd enum lets use see what the value of riid.Data1 is
typedef enum { tgIUnknown = 0x00000000, tgIClassFactory = 0x00000001, tgIMalloc = 0x00000002, tgIMarshal = 0x00000003, tgIPSFactory = 0x00000009, tgILockBytes = 0x0000000a, tgIStorage = 0x0000000b, tgIStream = 0x0000000c, tgIEnumSTATSTG = 0x0000000d, tgIBindCtx = 0x0000000e, tgIMoniker = 0x0000000f, tgIRunningObjectTable = 0x00000010, tgIInternalMoniker = 0x00000011, tgIRootStorage = 0x00000012, tgIMessageFilter = 0x00000016, tgIStdMarshalInfo = 0x00000018, tgIExternalConnection = 0x00000019, tgIWeakRef = 0x0000001a, tgIEnumUnknown = 0x00000100, tgIEnumString = 0x00000101, tgIEnumMoniker = 0x00000102, tgIEnumFORMATETC = 0x00000103, tgIEnumOLEVERB = 0x00000104, tgIEnumSTATDATA = 0x00000105, tgIEnumGeneric = 0x00000106, tgIEnumHolder = 0x00000107, tgIEnumCallback = 0x00000108, tgIPersistStream = 0x00000109, tgIPersistStorage = 0x0000010a, tgIPersistFile = 0x0000010b, tgIPersist = 0x0000010c, tgIViewObject = 0x0000010d, tgIDataObject = 0x0000010e, tgIAdviseSink = 0x0000010f, tgIDataAdviseHolder = 0x00000110, tgIOleAdviseHolder = 0x00000111, tgIOleObject = 0x00000112, tgIOleInPlaceObject = 0x00000113, tgIOleWindow = 0x00000114, tgIOleInPlaceUIWindow = 0x00000115, tgIOleInPlaceFrame = 0x00000116, tgIOleInPlaceActiveObject = 0x00000117, tgIOleClientSite = 0x00000118, tgIOleInPlaceSite = 0x00000119, tgIParseDisplayName = 0x0000011a, tgIOleContainer = 0x0000011b, tgIOleItemContainer = 0x0000011c, tgIOleLink = 0x0000011d, tgIOleCache = 0x0000011e, tgIOleManager = 0x0000011f, tgIOlePresObj = 0x00000120, tgIDropSource = 0x00000121, tgIDropTarget = 0x00000122, tgIAdviseSink2 = 0x00000125, tgIRunnableObject = 0x00000126, tgIViewObject2 = 0x00000127, tgIOleCache2 = 0x00000128, tgIOleCacheControl = 0x00000129, tgIDispatch = 0x00020400, tgITypeInfo = 0x00020401, tgITypeLib = 0x00020402, tgITypeComp = 0x00020403, tgIEnumVARIANT = 0x00020404, tgICreateTypeInfo = 0x00020405, tgICreateTypeLib = 0x00020406, tgIPropertyPage2 = 0x01e44665, tgIOleInPlaceObjectWindowless = 0x1c2056cc, tgIErrorInfo = 0x1cf2b120, tgICreateErrorInfo = 0x22f03340, tgIPerPropertyBrowsing = 0x376bd3aa, tgIPersistPropertyBag = 0x37D84F60, tgIAdviseSinkEx = 0x3af24290, tgIViewObjectEx = 0x3af24292, tgICategorizeProperties = 0x4d07fc10, tgIPointerInactive = 0x55980ba0, tgIFormExpert = 0x5aac7f70, tgIOleInPlaceComponent = 0x5efc7970, tgIGangConnectWithDefault = 0x6d5140c0, tgIServiceProvider = 0x6d5140c1, tgISelectionContainer = 0x6d5140c6, tgIRequireClasses = 0x6d5140d0, tgIProvideDynamicClassInfo = 0x6d5140d1, tgIDataFrameExpert = 0x73687490, tgISimpleFrameSite = 0x742b0e01, tgIPicture = 0x7bf80980, tgIPictureDisp = 0x7bf80981, tgIPersistStreamInit = 0x7fd52380, tgIOleUndoAction = 0x894ad3b0, tgIOleInPlaceSiteWindowless = 0x922eada0, tgIDataFrame = 0x97F254E0, tgIControl_95 = 0x9a4bbfb5, tgIPropertyNotifySink = 0x9bfbbc02, tgIOleInPlaceSiteEx = 0x9c2cad80, tgIOleCompoundUndoAction = 0xa1faf330, tgIControl = 0xa7fddba0, tgIProvideClassInfo = 0xb196b283, tgIConnectionPointContainer = 0xb196b284, tgIEnumConnectionPoints = 0xb196b285, tgIConnectionPoint = 0xb196b286, tgIEnumConnections = 0xb196b287, tgIOleControl = 0xb196b288, tgIOleControlSite = 0xb196b289, tgISpecifyPropertyPages = 0xb196b28b, tgIPropertyPageSite = 0xb196b28c, tgIPropertyPage = 0xb196b28d, tgIClassFactory2 = 0xb196b28f, tgIEnumOleUndoActions = 0xb3e7c340, tgIMsoDocument = 0xb722bcc5, tgIMsoView = 0xb722bcc6, tgIMsoCommandTarget = 0xb722bccb, tgIOlePropertyFrame = 0xb83bb801, tgIPropertyPageInPlace = 0xb83bb802, tgIPropertyPage3 = 0xb83bb803, tgIPropertyPageSite2 = 0xb83bb804, tgIFont = 0xbef6e002, tgIFontDisp = 0xbef6e003, tgIQuickActivate = 0xcf51ed10, tgIOleUndoActionManager = 0xd001f200, tgIPSFactoryBuffer = 0xd5f569d0, tgIOleStandardTool = 0xd97877c4, tgISupportErrorInfo = 0xdf0b3d60, tgICDataDoc = 0xF413E4C0, } DATA1_GUIDS;
HRESULT COleControl::InternalQueryInterface(REFIID riid, void **ppvObjOut) { #ifdef _DEBUG
DATA1_GUIDS gd = (DATA1_GUIDS) riid.Data1; #endif
switch (riid.Data1) { // private interface for prop page support
case Data1_IControlPrv: if (DO_GUIDS_MATCH(riid, IID_IControlPrv)) { *ppvObjOut = (void *)this; ExternalAddRef(); return S_OK; } goto NoInterface;
case Data1_IOleControl: if (DO_GUIDS_MATCH(riid, IID_IOleControl)) *ppvObjOut = (void *) (IOleControl*) this; break;
case Data1_IPointerInactive: if (DO_GUIDS_MATCH(riid, IID_IPointerInactive)) *ppvObjOut = (void *) (IPointerInactive*) this; break;
case Data1_IQuickActivate: if (DO_GUIDS_MATCH(riid, IID_IQuickActivate)) *ppvObjOut = (void *) (IQuickActivate*) this; break;
case Data1_IOleObject: if (DO_GUIDS_MATCH(riid, IID_IOleObject)) *ppvObjOut = (void *) (IOleObject*) this; break;
QI_INHERITS((IPersistStorage *)this, IPersist); QI_INHERITS(this, IPersistStreamInit); QI_INHERITS(this, IOleInPlaceObject); QI_INHERITS(this, IOleInPlaceObjectWindowless); QI_INHERITS((IOleInPlaceActiveObject *)this, IOleWindow); QI_INHERITS(this, IOleInPlaceActiveObject); QI_INHERITS(this, IViewObject); QI_INHERITS(this, IViewObject2); QI_INHERITS(this, IViewObjectEx); QI_INHERITS(this, IConnectionPointContainer); // QI_INHERITS(this, ISpecifyPropertyPages);
QI_INHERITS(this, IPersistStorage); QI_INHERITS(this, IPersistPropertyBag); QI_INHERITS(this, IProvideClassInfo);
default: goto NoInterface; }
// we like the interface, so addref and return
((IUnknown *)(*ppvObjOut))->AddRef(); return S_OK;
NoInterface: // delegate to super-class for automation interfaces, etc ...
return CAutomationObject::InternalQueryInterface(riid, ppvObjOut); }
//=--------------------------------------------------------------------------=
// COleControl::FindConnectionPoint [IConnectionPointContainer]
//=--------------------------------------------------------------------------=
// given an IID, find a connection point sink for it.
//
// Parameters:
// REFIID - [in] interfaces they want
// IConnectionPoint ** - [out] where the cp should go
//
// Output:
// HRESULT
STDMETHODIMP COleControl::FindConnectionPoint(REFIID riid, IConnectionPoint **ppConnectionPoint) { CHECK_POINTER(ppConnectionPoint);
// we support the event interface, and IDispatch for it, and we also
// support IPropertyNotifySink.
//
if (DO_GUIDS_MATCH(riid, EVENTIIDOFCONTROL(m_ObjectType)) || DO_GUIDS_MATCH(riid, IID_IDispatch)) *ppConnectionPoint = &m_cpEvents; else if (DO_GUIDS_MATCH(riid, IID_IPropertyNotifySink)) *ppConnectionPoint = &m_cpPropNotify; else return E_NOINTERFACE;
// generic post-processing.
//
(*ppConnectionPoint)->AddRef(); return S_OK; }
//=--------------------------------------------------------------------------=
// COleControl::EnumConnectionPoints [IConnectionPointContainer]
//=--------------------------------------------------------------------------=
// creates an enumerator for connection points.
//
// Parameters:
// IEnumConnectionPoints ** - [out]
//
// Output:
// HRESULT
STDMETHODIMP COleControl::EnumConnectionPoints(IEnumConnectionPoints **ppEnumConnectionPoints) { IConnectionPoint **rgConnectionPoints;
CHECK_POINTER(ppEnumConnectionPoints);
// Alloc an array of connection points [since our standard enum
// assumes this and free's it later ]
rgConnectionPoints = (IConnectionPoint **) lcCalloc(sizeof(IConnectionPoint *) * 2); RETURN_ON_NULLALLOC(rgConnectionPoints);
// we support the event interface for this dude as well as IPropertyNotifySink
//
rgConnectionPoints[0] = &m_cpEvents; rgConnectionPoints[1] = &m_cpPropNotify;
*ppEnumConnectionPoints = (IEnumConnectionPoints *)(IEnumGeneric *) new CStandardEnum(IID_IEnumConnectionPoints, 2, sizeof(IConnectionPoint *), (void *)rgConnectionPoints, CopyAndAddRefObject); if (!*ppEnumConnectionPoints) { lcFree(rgConnectionPoints); return E_OUTOFMEMORY; }
return S_OK; }
//=--------------------------------------------------------------------------=
// COleControl::CConnectionPoint::m_pOleControl
//=--------------------------------------------------------------------------=
// returns a pointer to the control in which we are nested.
//
// Output:
// COleControl *
//
// Notes:
//
inline COleControl *COleControl::CConnectionPoint::m_pOleControl ( void ) { return (COleControl *)((BYTE *)this - ((m_bType == SINK_TYPE_EVENT) ? offsetof(COleControl, m_cpEvents) : offsetof(COleControl, m_cpPropNotify))); }
//=--------------------------------------------------------------------------=
// COleControl::CConnectionPoint::QueryInterface
//=--------------------------------------------------------------------------=
// standard qi
//
// Parameters:
// REFIID - [in] interface they want
// void ** - [out] where they want to put the resulting object ptr.
//
// Output:
// HRESULT - S_OK, E_NOINTERFACE
STDMETHODIMP COleControl::CConnectionPoint::QueryInterface ( REFIID riid, void **ppvObjOut ) { if (DO_GUIDS_MATCH(riid, IID_IConnectionPoint) || DO_GUIDS_MATCH(riid, IID_IUnknown)) { *ppvObjOut = (IConnectionPoint *)this; AddRef(); return S_OK; }
return E_NOINTERFACE; }
ULONG COleControl::CConnectionPoint::AddRef(void) { return m_pOleControl()->ExternalAddRef(); }
ULONG COleControl::CConnectionPoint::Release(void) { return m_pOleControl()->ExternalRelease(); }
//=--------------------------------------------------------------------------=
// COleControl::CConnectionPoint::GetConnectionInterface
//=--------------------------------------------------------------------------=
// returns the interface we support connections on.
//
// Parameters:
// IID * - [out] interface we support.
//
// Output:
// HRESULT
STDMETHODIMP COleControl::CConnectionPoint::GetConnectionInterface(IID *piid) { if (m_bType == SINK_TYPE_EVENT) *piid = EVENTIIDOFCONTROL(m_pOleControl()->m_ObjectType); else *piid = IID_IPropertyNotifySink;
return S_OK; }
//=--------------------------------------------------------------------------=
// COleControl::CConnectionPoint::GetConnectionPointContainer
//=--------------------------------------------------------------------------=
// returns the connection point container
//
// Parameters:
// IConnectionPointContainer **ppCPC
//
// Output:
// HRESULT
STDMETHODIMP COleControl::CConnectionPoint::GetConnectionPointContainer(IConnectionPointContainer **ppCPC) { return m_pOleControl()->ExternalQueryInterface(IID_IConnectionPointContainer, (void **)ppCPC); }
//=--------------------------------------------------------------------------=
// COleControl::CConnectiontPoint::Advise
//=--------------------------------------------------------------------------=
// someboyd wants to be advised when something happens.
//
// Parameters:
// IUnknown * - [in] guy who wants to be advised.
// DWORD * - [out] cookie
//
// Output:
// HRESULT
STDMETHODIMP COleControl::CConnectionPoint::Advise(IUnknown *pUnk, DWORD *pdwCookie) { HRESULT hr; void *pv;
CHECK_POINTER(pdwCookie);
// first, make sure everybody's got what they thinks they got
if (m_bType == SINK_TYPE_EVENT) {
/*
* CONSIDER: 12.95 -- this theoretically is broken -- if they do * a find connection point on IDispatch, and they just happened to * also support the Event IID, we'd advise on that. this is not * awesome, but will prove entirely acceptable short term. */
hr = pUnk->QueryInterface(EVENTIIDOFCONTROL(m_pOleControl()->m_ObjectType), &pv); if (FAILED(hr)) hr = pUnk->QueryInterface(IID_IDispatch, &pv); } else hr = pUnk->QueryInterface(IID_IPropertyNotifySink, &pv); RETURN_ON_FAILURE(hr);
// finally, add the sink. It's now been cast to the correct type and has
// been AddRef'd.
return AddSink(pv, pdwCookie); }
#ifdef _WIN64
IUnknown* COleControl::CConnectionPoint::CookieToSink( DWORD dwCookie ) { for ( short i=0; i<m_cSinks; i++ ) { if ( m_rgSinks64[i].dwCookie == dwCookie ) return m_rgSinks64[i].pUnk; } return NULL; }
DWORD COleControl::CConnectionPoint::NextCookie() { DWORD dw = m_dwNextCookie; if ( dw==0 ) { // Try to find an available cookie
// There must be an available cookie, since m_cSinks is a short, cookie is DWORD
dw = 1; while ( CookieToSink(dw) != NULL ) // dw is used
dw++; } else m_dwNextCookie++; return dw; } #endif
//=--------------------------------------------------------------------------=
// COleControl::CConnectionPoint::AddSink
//=--------------------------------------------------------------------------=
// in some cases, we'll already have done the QI, and won't need to do the
// work that is done in the Advise routine above. thus, these people can
// just call this instead. [this stems really from IQuickActivate]
//
// Parameters:
// void * - [in] the sink to add. it's already been addref'd
// DWORD * - [out] cookie
//
// Output:
// HRESULT
HRESULT COleControl::CConnectionPoint::AddSink(void *pv, DWORD *pdwCookie) { #ifdef _WIN64
CONNECTDATA* rgUnkNew;
if ( m_cSinks == 0 ) { ASSERT_COMMENT(!m_rgSinks64, "this should be null when there are no sinks"); m_rgSinks64 = (CONNECTDATA*)lcCalloc(8 * sizeof(CONNECTDATA)); RETURN_ON_NULLALLOC(m_rgSinks64); } else if (!(m_cSinks & 0x7)) { rgUnkNew = (CONNECTDATA*)lcReAlloc(m_rgSinks64, (m_cSinks + 8) * sizeof(CONNECTDATA)); RETURN_ON_NULLALLOC(rgUnkNew); m_rgSinks64 = rgUnkNew; }
m_rgSinks64[m_cSinks].pUnk = (IUnknown *)pv; *pdwCookie = m_rgSinks64[m_cSinks].dwCookie = NextCookie(); m_cSinks++; return S_OK;
#else
IUnknown **rgUnkNew; int i = 0;
// we optimize the case where there is only one sink to not allocate
// any storage. turns out very rarely is there more than one.
//
switch (m_cSinks) {
case 0: ASSERT_COMMENT(!m_rgSinks, "this should be null when there are no sinks"); m_rgSinks = (IUnknown **)pv; break;
case 1: // go ahead and do the initial allocation. we'll get 8 at a time
rgUnkNew = (IUnknown **)lcCalloc(8 * sizeof(IUnknown *)); RETURN_ON_NULLALLOC(rgUnkNew); rgUnkNew[0] = (IUnknown *)m_rgSinks; rgUnkNew[1] = (IUnknown *)pv; m_rgSinks = rgUnkNew; break;
default: // if we're out of sinks, then we have to increase the size
// of the array
if (!(m_cSinks & 0x7)) { rgUnkNew = (IUnknown **) lcReAlloc(m_rgSinks, (m_cSinks + 8) * sizeof(IUnknown *)); RETURN_ON_NULLALLOC(rgUnkNew); m_rgSinks = rgUnkNew; } else rgUnkNew = m_rgSinks;
rgUnkNew[m_cSinks] = (IUnknown *)pv; break; }
*pdwCookie = (DWORD)pv; m_cSinks++; return S_OK; #endif
}
//=--------------------------------------------------------------------------=
// COleControl::CConnectionPoint::Unadvise
//=--------------------------------------------------------------------------=
// they don't want to be told any more.
//
// Parameters:
// DWORD - [in] the cookie we gave 'em.
//
// Output:
// HRESULT
STDMETHODIMP COleControl::CConnectionPoint::Unadvise(DWORD dwCookie) { IUnknown *pUnk; int x;
if (!dwCookie) return S_OK;
// see how many sinks we've currently got, and deal with things based
// on that.
#ifdef _WIN64
pUnk = CookieToSink(dwCookie);
if (pUnk == NULL) return CONNECT_E_NOCONNECTION;
switch (m_cSinks) { case 1: lcFree(m_rgSinks64); m_rgSinks64 = NULL; m_dwNextCookie = 1; break;
default: // there are more than one sinks. just clean up the hole we've
// got in our array now.
//
for (x = 0; x < m_cSinks; x++) { if ((DWORD)m_rgSinks64[x].dwCookie == dwCookie) break; } if (x == m_cSinks) return CONNECT_E_NOCONNECTION; else // (x < m_cSinks - 1)
memcpy(&(m_rgSinks64[x]), &(m_rgSinks64[x + 1]), (m_cSinks -1 - x) * sizeof(CONNECTDATA)); break; }
// we're happy
//
m_cSinks--; pUnk->Release(); return S_OK;
#else
switch (m_cSinks) { case 1: // it's the only sink. make sure the ptrs are the same, and
// then free things up
if ((DWORD)m_rgSinks != dwCookie) return CONNECT_E_NOCONNECTION; m_rgSinks = NULL; break;
case 2: // there are two sinks. go back down to one sink scenario
//
if ((DWORD)m_rgSinks[0] != dwCookie && (DWORD)m_rgSinks[1] != dwCookie) return CONNECT_E_NOCONNECTION;
pUnk = ((DWORD)m_rgSinks[0] == dwCookie) ? m_rgSinks[1] : ((DWORD)m_rgSinks[1] == dwCookie) ? m_rgSinks[0] : NULL;
if (!pUnk) return CONNECT_E_NOCONNECTION;
lcFree(m_rgSinks); m_rgSinks = (IUnknown **)pUnk; break;
default: // there are more than two sinks. just clean up the hole we've
// got in our array now.
//
for (x = 0; x < m_cSinks; x++) { if ((DWORD)m_rgSinks[x] == dwCookie) break; } if (x == m_cSinks) return CONNECT_E_NOCONNECTION; if (x < m_cSinks - 1) memcpy(&(m_rgSinks[x]), &(m_rgSinks[x + 1]), (m_cSinks -1 - x) * sizeof(IUnknown *)); else m_rgSinks[x] = NULL; break; }
// we're happy
//
m_cSinks--; ((IUnknown *)dwCookie)->Release(); return S_OK; #endif
}
//=--------------------------------------------------------------------------=
// COleControl::CConnectionPoint::EnumConnections
//=--------------------------------------------------------------------------=
// enumerates all current connections
//
// Paramters:
// IEnumConnections ** - [out] new enumerator object
//
// Output:
// HRESULT
//
// NOtes:
//
STDMETHODIMP COleControl::CConnectionPoint::EnumConnections ( IEnumConnections **ppEnumOut ) { CONNECTDATA *rgConnectData = NULL; int i;
if (m_cSinks) { // allocate some memory big enough to hold all of the sinks.
rgConnectData = (CONNECTDATA *)lcCalloc(m_cSinks * sizeof(CONNECTDATA)); RETURN_ON_NULLALLOC(rgConnectData); #ifdef _WIN64
for (i = 0; i < m_cSinks; i++) { rgConnectData[i].pUnk = m_rgSinks64[i].pUnk; rgConnectData[i].dwCookie = m_rgSinks64[i].dwCookie; } #else
// fill in the array
//
if (m_cSinks == 1) { rgConnectData[0].pUnk = (IUnknown *)m_rgSinks; rgConnectData[0].dwCookie = (DWORD)m_rgSinks; } else { // loop through all available sinks.
//
for (i = 0; i < m_cSinks; i++) { rgConnectData[i].pUnk = m_rgSinks[i]; rgConnectData[i].dwCookie = (DWORD)m_rgSinks[i]; } } #endif
}
// create yon enumerator object.
//
*ppEnumOut = (IEnumConnections *)(IEnumGeneric *)new CStandardEnum(IID_IEnumConnections, m_cSinks, sizeof(CONNECTDATA), rgConnectData, CopyAndAddRefObject); if (!*ppEnumOut) { lcFree(rgConnectData); return E_OUTOFMEMORY; }
return S_OK; }
//=--------------------------------------------------------------------------=
// COleControl::CConnectionPoint::~CConnectionPoint
//=--------------------------------------------------------------------------=
// cleans up
//
// Notes:
//
COleControl::CConnectionPoint::~CConnectionPoint () { int x;
#ifdef _WIN64
if (!m_cSinks) return; else { for (x = 0; x < m_cSinks; x++) QUICK_RELEASE(m_rgSinks64[x].pUnk); lcFree(m_rgSinks64); } #else
// clean up some memory stuff
//
if (!m_cSinks) return; else if (m_cSinks == 1) ((IUnknown *)m_rgSinks)->Release(); else { for (x = 0; x < m_cSinks; x++) QUICK_RELEASE(m_rgSinks[x]); lcFree(m_rgSinks); } #endif
}
//=--------------------------------------------------------------------------=
// COleControl::CConnectionPiont::DoInvoke
//=--------------------------------------------------------------------------=
// fires an event to all listening on our event interface.
//
// Parameters:
// DISPID - [in] event to fire.
// DISPPARAMS - [in]
void COleControl::CConnectionPoint::DoInvoke(DISPID dispid, DISPPARAMS *pdispparams) { int iConnection;
// if we don't have any sinks, then there's nothing to do. we intentionally
// ignore errors here.
#ifdef _WIN64
if (m_cSinks == 0) return; else for (iConnection = 0; iConnection < m_cSinks; iConnection++) ((IDispatch *)m_rgSinks64[iConnection].pUnk)->Invoke(dispid, IID_NULL, 0, DISPATCH_METHOD, pdispparams, NULL, NULL, NULL); #else
if (m_cSinks == 0) return; else if (m_cSinks == 1) ((IDispatch *)m_rgSinks)->Invoke(dispid, IID_NULL, 0, DISPATCH_METHOD, pdispparams, NULL, NULL, NULL); else for (iConnection = 0; iConnection < m_cSinks; iConnection++) ((IDispatch *)m_rgSinks[iConnection])->Invoke(dispid, IID_NULL, 0, DISPATCH_METHOD, pdispparams, NULL, NULL, NULL); #endif
}
//=--------------------------------------------------------------------------=
// COleControl::CConnectionPoint::DoOnChanged
//=--------------------------------------------------------------------------=
// fires the OnChanged event for IPropertyNotifySink listeners.
//
// Parameters:
// DISPID - [in] dude that changed.
//
// Output:
// none
void COleControl::CConnectionPoint::DoOnChanged(DISPID dispid) { ASSERT_COMMENT(FALSE, "DoOnChanged called, restore the code"); #if 0
int iConnection;
// if we don't have any sinks, then there's nothing to do.
if (m_cSinks == 0) return; else if (m_cSinks == 1) ((IPropertyNotifySink *)m_rgSinks)->OnChanged(dispid); else for (iConnection = 0; iConnection < m_cSinks; iConnection++) ((IPropertyNotifySink *)m_rgSinks[iConnection])->OnChanged(dispid); #endif
}
//=--------------------------------------------------------------------------=
// COleControl::CConnectionPoint::DoOnRequestEdit
//=--------------------------------------------------------------------------=
// fires the OnRequestEdit for IPropertyNotifySinkListeners
//
// Parameters:
// DISPID - [in] dispid user wants to change.
//
// Output:
// BOOL - false means you cant
BOOL COleControl::CConnectionPoint::DoOnRequestEdit(DISPID dispid) { HRESULT hr; int iConnection;
#ifdef _WIN64
if (m_cSinks == 0) hr = S_OK; else { for (iConnection = 0; iConnection < m_cSinks; iConnection++) { hr = ((IPropertyNotifySink *)m_rgSinks64[iConnection].pUnk)->OnRequestEdit(dispid); if (hr != S_OK) break; } } #else
// if we don't have any sinks, then there's nothing to do.
if (m_cSinks == 0) hr = S_OK; else if (m_cSinks == 1) hr =((IPropertyNotifySink *)m_rgSinks)->OnRequestEdit(dispid); else { for (iConnection = 0; iConnection < m_cSinks; iConnection++) { hr = ((IPropertyNotifySink *)m_rgSinks[iConnection])->OnRequestEdit(dispid); if (hr != S_OK) break; } } #endif
return (hr == S_OK) ? TRUE : FALSE; }
//=--------------------------------------------------------------------------=
// COleControl::CreateInPlaceWindow
//=--------------------------------------------------------------------------=
// creates the window with which we will be working.
// yay.
//
// Parameters:
// int - [in] left
// int - [in] top
// BOOL - [in] can we skip redrawing?
//
// Output:
// HWND
//
// Notes:
// - DANGER! DANGER! this function is protected so that anybody can call it
// from their control. however, people should be extremely careful of when
// and why they do this. preferably, this function would only need to be
// called by an end-control writer in design mode to take care of some
// hosting/painting issues. otherwise, the framework should be left to
// call it when it wants.
HWND COleControl::CreateInPlaceWindow(int x, int y, BOOL fNoRedraw) { BOOL fVisible; DWORD dwWindowStyle, dwExWindowStyle; char szWindowTitle[128];
// if we've already got a window, do nothing.
if (m_hwnd) return m_hwnd;
// get the user to register the class if it's not already
// been done. we have to critical section this since more than one thread
// can be trying to create this control
if (!CTLWNDCLASSREGISTERED(m_ObjectType)) { // EnterCriticalSection(&g_CriticalSection);
if (!RegisterClassData()) { // LeaveCriticalSection(&g_CriticalSection);
return NULL; } else CTLWNDCLASSREGISTERED(m_ObjectType) = TRUE; // LeaveCriticalSection(&g_CriticalSection);
}
dwWindowStyle = dwExWindowStyle = 0; szWindowTitle[0] = '\0'; if (!BeforeCreateWindow(&dwWindowStyle, &dwExWindowStyle, szWindowTitle)) return NULL;
dwWindowStyle |= (WS_CHILD | WS_CLIPSIBLINGS);
// create window visible if parent hidden (common case)
// otherwise, create hidden, then shown. this is a little subtle, but
// it makes sense eventually.
ASSERT(m_hwndParent); // why would this ever occur? [rw]
if (!m_hwndParent) m_hwndParent = GetParkingWindow();
fVisible = IsWindowVisible(m_hwndParent); if (!fVisible) dwWindowStyle |= WS_VISIBLE;
// we have to mutex the entire create window process since we need to use
// the s_pLastControlCreated to pass in the object pointer. nothing too
// serious
// EnterCriticalSection(&g_CriticalSection);
s_pLastControlCreated = this; m_fCreatingWindow = TRUE;
// finally, go create the window, parenting it as appropriate.
m_hwnd = CreateWindowEx(dwExWindowStyle, WNDCLASSNAMEOFCONTROL(m_ObjectType), szWindowTitle, dwWindowStyle, x, y, m_Size.cx, m_Size.cy, m_hwndParent, NULL, _Module.GetModuleInstance(), NULL);
// clean up some variables, and leave the critical section
m_fCreatingWindow = FALSE; s_pLastControlCreated = NULL; // LeaveCriticalSection(&g_CriticalSection);
if (IsValidWindow(m_hwnd)) { // let the derived-control do something if they so desire
if (!AfterCreateWindow()) { BeforeDestroyWindow(); SetWindowLong(m_hwnd, GWLP_USERDATA, 0xFFFFFFFF); DestroyWindow(m_hwnd); m_hwnd = NULL; return m_hwnd; }
// if we didn't create the window visible, show it now.
if (fVisible) SetWindowPos(m_hwnd, // m_hwndParent,
NULL, // RAID #30314
0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_SHOWWINDOW | (fNoRedraw) ? SWP_NOREDRAW : 0); }
// finally, tell the host of this
if (m_pClientSite) m_pClientSite->ShowObject();
return m_hwnd; }
//=--------------------------------------------------------------------------=
// COleControl::SetInPlaceParent [helper]
//=--------------------------------------------------------------------------=
// sets up the parent window for our control.
//
// Parameters:
// HWND - [in] new parent window
void COleControl::SetInPlaceParent(HWND hwndParent) { ASSERT_COMMENT(!m_pInPlaceSiteWndless, "This routine should only get called for windowed OLE controls");
if (m_hwndParent == hwndParent) return;
m_hwndParent = hwndParent; if (m_hwnd) SetParent(m_hwnd, hwndParent); }
//=--------------------------------------------------------------------------=
// COleControl::ControlWindowProc
//=--------------------------------------------------------------------------=
// default window proc for an OLE Control. controls will have their own
// window proc called from this one, after some processing is done.
//
// Parameters:
// - see win32sdk docs.
//
// Notes:
//
LRESULT CALLBACK COleControl::ControlWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) { COleControl *pCtl = ControlFromHwnd(hwnd); LRESULT lResult;
// if the value isn't a positive value, then it's in some special
// state [creation or destruction] this is safe because under win32,
// the upper 2GB of an address space aren't available.
if (!pCtl) { pCtl = s_pLastControlCreated; SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR) pCtl); pCtl->m_hwnd = hwnd; }
// 17-Sep-1997 [ralphw] Changed to 0xFFFFFFFF to avoid 32-bit dependencies
else if ((DWORD_PTR) pCtl == (DWORD_PTR) 0xFFFFFFFF) { return DefWindowProc(hwnd, msg, wParam, lParam); }
// message preprocessing
#if 0
if (pCtl->m_pSimpleFrameSite) { hr = pCtl->m_pSimpleFrameSite->PreMessageFilter(hwnd, msg, wParam, lParam, &lResult, &dwCookie); if (hr == S_FALSE) return lResult; } #endif
// for certain messages, do not call the user window proc. instead,
// we have something else we'd like to do.
switch (msg) { case WM_MOUSEACTIVATE: { pCtl->InPlaceActivate(OLEIVERB_UIACTIVATE); break; } case WM_PAINT: { // call the user's OnDraw routine.
PAINTSTRUCT ps; RECT rc; HDC hdc;
// if we're given an HDC, then use it
// REVIEW: 17-Sep-1997 [ralphw] who's handing us a dc in wParam?
if (!wParam) hdc = BeginPaint(hwnd, &ps); else hdc = (HDC)wParam;
GetClientRect(hwnd, &rc); pCtl->OnDraw(DVASPECT_CONTENT, hdc, (RECTL *)&rc, NULL, NULL, TRUE);
if (!wParam) EndPaint(hwnd, &ps); } break;
default: // call the derived-control's window proc
lResult = pCtl->WindowProc(msg, wParam, lParam); break; }
// message postprocessing
switch (msg) { case WM_NCDESTROY: // after this point, the window doesn't exist any more
pCtl->m_hwnd = NULL; break;
// REVIEW: 14-Oct-1997 [ralphw] This message never arrives
case WM_SETFOCUS: case WM_KILLFOCUS: // give the control site focus notification
if (pCtl->m_fInPlaceActive && pCtl->m_pControlSite) { DBWIN("Focus change"); pCtl->m_pControlSite->OnFocus(msg == WM_SETFOCUS); } break;
case WM_SIZE: // a change in size is a change in view
if (!pCtl->m_fCreatingWindow) pCtl->ViewChanged(); break; }
// lastly, simple frame postmessage processing
#if 0
if (pCtl->m_pSimpleFrameSite) pCtl->m_pSimpleFrameSite->PostMessageFilter(hwnd, msg, wParam, lParam, &lResult, dwCookie); #endif
return lResult; }
//=--------------------------------------------------------------------------=
// COleControl::SetFocus
//=--------------------------------------------------------------------------=
// we have to override this routine to get UI Activation correct.
//
// Parameters:
// BOOL - [in] true means take, false release
//
// Output:
// BOOL
//
// Notes:
// - CONSIDER: this is pretty messy, and it's still not entirely clear
// what the ole control/focus story is.
// REVIEW: 14-Oct-1997 [ralphw] Doesn't look like it is ever called
BOOL COleControl::SetFocus(BOOL fGrab) { DBWIN("COleControl::SetFocus");
HRESULT hr; HWND hwnd;
// first thing to do is check out UI Activation state, and then set
// focus [either with windows api, or via the host for windowless
// controls]
if (m_pInPlaceSiteWndless) { if (!m_fUIActive && fGrab) if (FAILED(InPlaceActivate(OLEIVERB_UIACTIVATE))) return FALSE;
hr = m_pInPlaceSiteWndless->SetFocus(fGrab); return (hr == S_OK) ? TRUE : FALSE; } else {
// we've got a window.
if (m_fInPlaceActive) { hwnd = (fGrab) ? m_hwnd : m_hwndParent; if (!m_fUIActive && fGrab) return SUCCEEDED(InPlaceActivate(OLEIVERB_UIACTIVATE)); else return (::SetFocus(hwnd) == hwnd); } else return FALSE; }
// dead code
}
#if 0
//=--------------------------------------------------------------------------=
// COleControl::ReflectWindowProc
//=--------------------------------------------------------------------------=
// reflects window messages on to the child window.
//
// Parameters and Output:
// - see win32 sdk docs
// REVIEW: 14-Oct-1997 [ralphw] Doesn't seem to ever be called
LRESULT CALLBACK COleControl::ReflectWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) { COleControl *pCtl;
switch (msg) { case WM_COMMAND: case WM_NOTIFY: case WM_CTLCOLORBTN: case WM_CTLCOLORDLG: case WM_CTLCOLOREDIT: case WM_CTLCOLORLISTBOX: case WM_CTLCOLORMSGBOX: case WM_CTLCOLORSCROLLBAR: case WM_CTLCOLORSTATIC: case WM_DRAWITEM: case WM_MEASUREITEM: case WM_DELETEITEM: case WM_VKEYTOITEM: case WM_CHARTOITEM: case WM_COMPAREITEM: case WM_HSCROLL: case WM_VSCROLL: case WM_PARENTNOTIFY: case WM_SETFOCUS: case WM_SIZE: pCtl = (COleControl *) GetWindowLong(hwnd, GWLP_USERDATA); if (pCtl) return SendMessage(pCtl->m_hwnd, msg, wParam, lParam); break; }
return DefWindowProc(hwnd, msg, wParam, lParam); } #endif
//=--------------------------------------------------------------------------=
// COleControl::GetAmbientProperty [callable]
//=--------------------------------------------------------------------------=
// returns the value of an ambient property
//
// Parameters:
// DISPID - [in] property to get
// VARTYPE - [in] type of desired data
// void * - [out] where to put the data
//
// Output:
// BOOL - FALSE means didn't work.
BOOL COleControl::GetAmbientProperty(DISPID dispid, VARTYPE vt, void *pData) { DISPPARAMS dispparams; VARIANT v, v2; HRESULT hr;
v.vt = VT_EMPTY; v.lVal = 0; v2.vt = VT_EMPTY; v2.lVal = 0;
// get a pointer to the source of ambient properties.
//
if (!m_pDispAmbient) { if (m_pClientSite) m_pClientSite->QueryInterface(IID_IDispatch, (void **)&m_pDispAmbient);
if (!m_pDispAmbient) return FALSE; }
// now go and get the property into a variant.
memset(&dispparams, 0, sizeof(DISPPARAMS)); hr = m_pDispAmbient->Invoke(dispid, IID_NULL, 0, DISPATCH_PROPERTYGET, &dispparams, &v, NULL, NULL); if (FAILED(hr)) return FALSE;
// we've got the variant, so now go an coerce it to the type that the user
// wants. if the types are the same, then this will copy the stuff to
// do appropriate ref counting ...
//
hr = VariantChangeType(&v2, &v, 0, vt); if (FAILED(hr)) { VariantClear(&v); return FALSE; }
// copy the data to where the user wants it
CopyMemory(pData, &(v2.lVal), g_rgcbDataTypeSize[vt]); VariantClear(&v); return TRUE; }
//=--------------------------------------------------------------------------=
// COleControl::GetAmbientFont [callable]
//=--------------------------------------------------------------------------=
// gets the current font for the user.
//
// Parameters:
// IFont ** - [out] where to put the font.
//
// Output:
// BOOL - FALSE means couldn't get it.
BOOL COleControl::GetAmbientFont(IFont **ppFont) { IDispatch *pFontDisp;
// we don't have to do much here except get the ambient property and QI
// it for the user.
*ppFont = NULL; if (!GetAmbientProperty(DISPID_AMBIENT_FONT, VT_DISPATCH, &pFontDisp)) return FALSE;
pFontDisp->QueryInterface(IID_IFont, (void **)ppFont); pFontDisp->Release(); return (*ppFont) ? TRUE : FALSE; }
//=--------------------------------------------------------------------------=
// COleControl::DesignMode
//=--------------------------------------------------------------------------=
// returns TRUE if we're in Design mode.
//
// Output:
// BOOL - true is design mode, false is run mode
//
// Notes:
//
BOOL COleControl::DesignMode(void) { // BUGBUG: if we never call this, then remove it
VARIANT_BOOL f;
// if we don't already know our run mode, go and get it. we'll assume
// it's true unless told otherwise [or if the operation fails ...]
if (!m_fModeFlagValid) { f = TRUE; m_fModeFlagValid = TRUE; GetAmbientProperty(DISPID_AMBIENT_USERMODE, VT_BOOL, &f); m_fRunMode = f; }
return !m_fRunMode; }
//=--------------------------------------------------------------------------=
// COleControl::FireEvent
//=--------------------------------------------------------------------------=
// fires an event. handles arbitrary number of arguments.
//
// Parameters:
// EVENTINFO * - [in] struct that describes the event.
// ... - arguments to the event
//
// Output:
// none
//
// Notes:
// - use stdarg's va_* macros.
void __cdecl COleControl::FireEvent(EVENTINFO *pEventInfo, ...) { va_list valist; DISPPARAMS dispparams; VARIANT rgvParameters[MAX_ARGS]; VARIANT *pv; VARTYPE vt; int iParameter; int cbSize;
ASSERT_COMMENT(pEventInfo->cParameters <= MAX_ARGS, "Doesn't support more than MAX_ARGS params.");
va_start(valist, pEventInfo);
// copy the Parameters into the rgvParameters array. make sure we reverse
// them for automation
//
pv = &(rgvParameters[pEventInfo->cParameters - 1]); for (iParameter = 0; iParameter < pEventInfo->cParameters; iParameter++) {
vt = pEventInfo->rgTypes[iParameter];
// if it's a by value variant, then just copy the whole thing
if (vt == VT_VARIANT) *pv = va_arg(valist, VARIANT); else { // copy the vt and the data value.
pv->vt = vt; if (vt & VT_BYREF) cbSize = sizeof(void *); else cbSize = g_rgcbDataTypeSize[vt];
// small optimization -- we can copy 2/4 bytes over quite
// quickly.
if (cbSize == sizeof(short)) V_I2(pv) = va_arg(valist, short); else if (cbSize == 4) V_I4(pv) = va_arg(valist, long); else { // copy over 8 bytes
ASSERT_COMMENT(cbSize == 8, "don't recognize the type!!"); V_CY(pv) = va_arg(valist, CURRENCY); } }
pv--; }
// fire the event
dispparams.rgvarg = rgvParameters; dispparams.cArgs = pEventInfo->cParameters; dispparams.rgdispidNamedArgs = NULL; dispparams.cNamedArgs = 0;
m_cpEvents.DoInvoke(pEventInfo->dispid, &dispparams);
va_end(valist); }
#if 0
//=--------------------------------------------------------------------------=
// COleControl::AfterCreateWindow [overridable]
//=--------------------------------------------------------------------------=
//
// Output:
// BOOL - false means fatal error, can't continue
BOOL COleControl::AfterCreateWindow(void) { return TRUE; } #endif
//=--------------------------------------------------------------------------=
// COleControl::InvalidateControl [callable]
//=--------------------------------------------------------------------------=
void COleControl::InvalidateControl(LPCRECT lpRect) { if (m_fInPlaceActive) InvalidateRect(m_hwnd, lpRect, TRUE); else ViewChanged(); }
//=--------------------------------------------------------------------------=
// COleControl::SetControlSize [callable]
//=--------------------------------------------------------------------------=
// sets the control size. they'll give us the size in pixels. we've got to
// convert them back to HIMETRIC before passing them on!
//
// Parameters:
// SIZEL * - [in] new size
//
// Output:
// BOOL
//
// Notes:
//
BOOL COleControl::SetControlSize(SIZEL *pSize) { HRESULT hr; SIZEL slHiMetric;
PixelToHiMetric(pSize, &slHiMetric); hr = SetExtent(DVASPECT_CONTENT, &slHiMetric); return (FAILED(hr)) ? FALSE : TRUE; }
//=--------------------------------------------------------------------------=
// COleControl::RecreateControlWindow [callable]
//=--------------------------------------------------------------------------=
// called by a [subclassed, typically] control to recreate it's control
// window.
//
// Parameters:
// none
//
// Output:
// HRESULT
//
// Notes:
// - NOTE: USE ME EXTREMELY SPARINGLY! THIS IS AN EXTREMELY EXPENSIVE
// OPERATION!
//
#if 0
HRESULT COleControl::RecreateControlWindow(void) { HRESULT hr; HWND hwndPrev;
DBWIN("RecreateControlWindow called -- it probably shouldn't be.");
// we need to correctly preserve the control's position within the
// z-order here.
if (m_hwnd) hwndPrev = ::GetWindow(m_hwnd, GW_HWNDPREV);
// if we're in place active, then we have to deactivate, and reactivate
// ourselves with the new window ...
if (m_fInPlaceActive) {
hr = InPlaceDeactivate(); RETURN_ON_FAILURE(hr); hr = InPlaceActivate((m_fUIActive) ? OLEIVERB_UIACTIVATE : OLEIVERB_INPLACEACTIVATE); RETURN_ON_FAILURE(hr);
} else if (m_hwnd) { DestroyWindow(m_hwnd); m_hwnd = NULL;
CreateInPlaceWindow(0, 0, FALSE); }
// restore z-order position
if (m_hwnd) SetWindowPos(m_hwnd, hwndPrev, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
return m_hwnd ? S_OK : E_FAIL; }
#endif
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