1699 lines
49 KiB
C++
1699 lines
49 KiB
C++
//=--------------------------------------------------------------------------=
|
|
// CtlMisc.Cpp
|
|
//=--------------------------------------------------------------------------=
|
|
// Copyright 1995-1996 Microsoft Corporation. All Rights Reserved.
|
|
//
|
|
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
|
|
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
|
|
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
|
|
// PARTICULAR PURPOSE.
|
|
//=--------------------------------------------------------------------------=
|
|
//
|
|
// things that aren't elsewhere, such as property pages, and connection
|
|
// points.
|
|
|
|
#include "IPServer.H"
|
|
#include "CtrlObj.H"
|
|
#include "CtlHelp.H"
|
|
#include "Globals.H"
|
|
#include "StdEnum.H"
|
|
#include "Util.H"
|
|
|
|
#include <stdarg.h>
|
|
|
|
// for ASSERT and FAIL
|
|
//
|
|
SZTHISFILE
|
|
|
|
// 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
|
|
// BOOL - [in] whether to enable IDispatchEx functionality
|
|
// to allow dynamic adding of properties
|
|
// Notes:
|
|
//
|
|
COleControl::COleControl
|
|
(
|
|
IUnknown *pUnkOuter,
|
|
int iPrimaryDispatch,
|
|
void *pMainInterface,
|
|
BOOL fExpandoEnabled
|
|
)
|
|
: CAutomationObject(pUnkOuter, iPrimaryDispatch, pMainInterface, fExpandoEnabled),
|
|
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 = 0;
|
|
m_Size.cy = 0;
|
|
memset(&m_rcLocation, 0, sizeof(m_rcLocation));
|
|
|
|
m_hRgn = NULL;
|
|
m_hwnd = NULL;
|
|
m_hwndParent = NULL;
|
|
m_hwndReflect = NULL;
|
|
m_fHostReflects = TRUE;
|
|
m_fCheckedReflecting = FALSE;
|
|
|
|
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.
|
|
//
|
|
SetWindowLongPtr(m_hwnd, GWLP_USERDATA, (LONG_PTR)0xFFFFFFFF);
|
|
DestroyWindow(m_hwnd);
|
|
}
|
|
|
|
if (m_hwndReflect) {
|
|
SetWindowLongPtr(m_hwndReflect, GWLP_USERDATA, 0);
|
|
DestroyWindow(m_hwndReflect);
|
|
}
|
|
|
|
if (m_hRgn != NULL)
|
|
{
|
|
DeleteObject(m_hRgn);
|
|
m_hRgn = NULL;
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
|
|
#ifndef DEBUG
|
|
#pragma optimize("t", on)
|
|
#endif // DEBUG
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// 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!!!!
|
|
//
|
|
HRESULT COleControl::InternalQueryInterface
|
|
(
|
|
REFIID riid,
|
|
void **ppvObjOut
|
|
)
|
|
{
|
|
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;
|
|
QI_INHERITS(this, IOleControl);
|
|
QI_INHERITS(this, IPointerInactive);
|
|
QI_INHERITS(this, IQuickActivate);
|
|
QI_INHERITS(this, IOleObject);
|
|
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);
|
|
}
|
|
|
|
#ifndef DEBUG
|
|
#pragma optimize("s", on)
|
|
#endif // DEBUG
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// 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
|
|
//
|
|
// Notes:
|
|
//
|
|
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
|
|
//
|
|
// Notes:
|
|
//
|
|
STDMETHODIMP COleControl::EnumConnectionPoints
|
|
(
|
|
IEnumConnectionPoints **ppEnumConnectionPoints
|
|
)
|
|
{
|
|
IConnectionPoint **rgConnectionPoints;
|
|
|
|
CHECK_POINTER(ppEnumConnectionPoints);
|
|
|
|
// HeapAlloc an array of connection points [since our standard enum
|
|
// assumes this and HeapFree's it later ]
|
|
//
|
|
rgConnectionPoints = (IConnectionPoint **)HeapAlloc(g_hHeap, 0, 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) {
|
|
HeapFree(g_hHeap, 0, rgConnectionPoints);
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::GetPages [ISpecifyPropertyPages]
|
|
//=--------------------------------------------------------------------------=
|
|
// returns a counted array with the guids for our property pages.
|
|
//
|
|
// parameters:
|
|
// CAUUID * - [out] where to put the counted array.
|
|
//
|
|
// Output:
|
|
// HRESULT
|
|
//
|
|
// NOtes:
|
|
//
|
|
STDMETHODIMP COleControl::GetPages
|
|
(
|
|
CAUUID *pPages
|
|
)
|
|
{
|
|
const GUID **pElems;
|
|
void *pv;
|
|
WORD x;
|
|
|
|
// if there are no property pages, this is actually pretty easy.
|
|
//
|
|
if (!CPROPPAGESOFCONTROL(m_ObjectType)) {
|
|
pPages->cElems = 0;
|
|
pPages->pElems = NULL;
|
|
return S_OK;
|
|
}
|
|
|
|
// fill out the Counted array, using IMalloc'd memory.
|
|
//
|
|
pPages->cElems = CPROPPAGESOFCONTROL(m_ObjectType);
|
|
pv = CoTaskMemAlloc(sizeof(GUID) * (pPages->cElems));
|
|
RETURN_ON_NULLALLOC(pv);
|
|
pPages->pElems = (GUID *)pv;
|
|
|
|
// loop through our array of pages and get 'em.
|
|
//
|
|
pElems = PPROPPAGESOFCONTROL(m_ObjectType);
|
|
for (x = 0; x < pPages->cElems; x++)
|
|
pPages->pElems[x] = *(pElems[x]);
|
|
|
|
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
|
|
//
|
|
// Notes:
|
|
//
|
|
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;
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::CConnectionPoint::AddRef
|
|
//=--------------------------------------------------------------------------=
|
|
//
|
|
// Output:
|
|
// ULONG - the new reference count
|
|
//
|
|
// Notes:
|
|
//
|
|
ULONG COleControl::CConnectionPoint::AddRef
|
|
(
|
|
void
|
|
)
|
|
{
|
|
return m_pOleControl()->ExternalAddRef();
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::CConnectionPoint::Release
|
|
//=--------------------------------------------------------------------------=
|
|
//
|
|
// Output:
|
|
// ULONG - remaining refs
|
|
//
|
|
// Notes:
|
|
//
|
|
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
|
|
//
|
|
// Notes:
|
|
//
|
|
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
|
|
//
|
|
// Notes:
|
|
//
|
|
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
|
|
//
|
|
// Notes:
|
|
//
|
|
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);
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// 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
|
|
//
|
|
// Notes:
|
|
//
|
|
HRESULT COleControl::CConnectionPoint::AddSink
|
|
(
|
|
void *pv,
|
|
DWORD *pdwCookie
|
|
)
|
|
{
|
|
IUnknown **rgUnkNew;
|
|
int i;
|
|
|
|
// we optimize the case where there is only one sink to not allocate
|
|
// any storage. turns out very rarely is there more than one.
|
|
//
|
|
|
|
if (!m_cSinks) {
|
|
m_SingleSink = (IUnknown *) pv;
|
|
*pdwCookie = (DWORD)-1;
|
|
m_cSinks = 1;
|
|
return S_OK;
|
|
}
|
|
|
|
// Allocated the array yet?
|
|
if (!m_rgSinks) {
|
|
rgUnkNew = (IUnknown **)HeapAlloc(g_hHeap, HEAP_ZERO_MEMORY, 8 * sizeof(IUnknown *));
|
|
RETURN_ON_NULLALLOC(rgUnkNew);
|
|
m_cAllocatedSinks = 8;
|
|
m_rgSinks = rgUnkNew;
|
|
m_rgSinks[0] = m_SingleSink;
|
|
m_rgSinks[1] = (IUnknown *)pv;
|
|
m_SingleSink = NULL;
|
|
m_cSinks = 2;
|
|
*pdwCookie = 2;
|
|
return S_OK;
|
|
}
|
|
|
|
// Find an empty slot.
|
|
for (i = 0; i < m_cAllocatedSinks; i++) {
|
|
if (!m_rgSinks[i]) {
|
|
m_rgSinks[i] = (IUnknown *)pv;
|
|
i++;
|
|
*pdwCookie = i;
|
|
m_cSinks++;
|
|
return S_OK;
|
|
}
|
|
}
|
|
|
|
// Didn't find one, grow the array.
|
|
rgUnkNew = (IUnknown **)HeapReAlloc(g_hHeap, HEAP_ZERO_MEMORY, m_rgSinks, (m_cAllocatedSinks + 8) * sizeof(IUnknown *));
|
|
RETURN_ON_NULLALLOC(rgUnkNew);
|
|
m_rgSinks = rgUnkNew;
|
|
m_rgSinks[m_cAllocatedSinks] = (IUnknown *)pv;
|
|
i = m_cAllocatedSinks+1;
|
|
m_cAllocatedSinks += 8;
|
|
|
|
*pdwCookie = i;
|
|
m_cSinks++;
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::CConnectionPoint::Unadvise
|
|
//=--------------------------------------------------------------------------=
|
|
// they don't want to be told any more.
|
|
//
|
|
// Parameters:
|
|
// DWORD - [in] the cookie we gave 'em.
|
|
//
|
|
// Output:
|
|
// HRESULT
|
|
//
|
|
// Notes:
|
|
//
|
|
STDMETHODIMP COleControl::CConnectionPoint::Unadvise
|
|
(
|
|
DWORD dwCookie
|
|
)
|
|
{
|
|
IUnknown *pUnk;
|
|
|
|
if (!dwCookie)
|
|
return S_OK;
|
|
|
|
if (dwCookie == (DWORD) -1) {
|
|
pUnk = m_SingleSink;
|
|
m_SingleSink = NULL;
|
|
if (m_rgSinks) {
|
|
m_rgSinks[0] = NULL;
|
|
}
|
|
} else {
|
|
if (dwCookie <= (DWORD)m_cAllocatedSinks) {
|
|
if (m_rgSinks) {
|
|
pUnk = m_rgSinks[dwCookie-1];
|
|
m_rgSinks[dwCookie-1] = NULL;
|
|
} else {
|
|
return CONNECT_E_NOCONNECTION;
|
|
}
|
|
} else {
|
|
return CONNECT_E_NOCONNECTION;
|
|
}
|
|
}
|
|
|
|
m_cSinks--;
|
|
|
|
if (!m_cSinks && m_rgSinks) {
|
|
HeapFree(g_hHeap, 0, m_rgSinks);
|
|
m_cAllocatedSinks = 0;
|
|
m_rgSinks = NULL;
|
|
}
|
|
|
|
if (pUnk) {
|
|
pUnk->Release();
|
|
return S_OK;
|
|
} else {
|
|
return CONNECT_E_NOCONNECTION;
|
|
}
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// 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;
|
|
unsigned int i;
|
|
|
|
if (m_cSinks) {
|
|
// allocate some memory big enough to hold all of the sinks.
|
|
//
|
|
rgConnectData = (CONNECTDATA *)HeapAlloc(g_hHeap, 0, m_cSinks * sizeof(CONNECTDATA));
|
|
RETURN_ON_NULLALLOC(rgConnectData);
|
|
|
|
if ((m_cSinks == 1) && !m_rgSinks) {
|
|
rgConnectData[0].pUnk = m_SingleSink;
|
|
rgConnectData[0].dwCookie = (DWORD)-1;
|
|
} else {
|
|
for (unsigned int x = 0, i=0; x < m_cAllocatedSinks; x++) {
|
|
if (m_rgSinks[x]) {
|
|
rgConnectData[i].pUnk = m_rgSinks[x];
|
|
rgConnectData[i].dwCookie = x+1;
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// create yon enumerator object.
|
|
//
|
|
*ppEnumOut = (IEnumConnections *)(IEnumGeneric *)new CStandardEnum(IID_IEnumConnections,
|
|
m_cSinks, sizeof(CONNECTDATA), rgConnectData, CopyAndAddRefObject);
|
|
if (!*ppEnumOut) {
|
|
if (rgConnectData)
|
|
{
|
|
HeapFree(g_hHeap, 0, rgConnectData);
|
|
}
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::CConnectionPoint::~CConnectionPoint
|
|
//=--------------------------------------------------------------------------=
|
|
// cleans up
|
|
//
|
|
// Notes:
|
|
//
|
|
COleControl::CConnectionPoint::~CConnectionPoint ()
|
|
{
|
|
int x;
|
|
|
|
// clean up some memory stuff
|
|
//
|
|
if (!m_cSinks)
|
|
return;
|
|
else if (m_SingleSink)
|
|
((IUnknown *)m_SingleSink)->Release();
|
|
else {
|
|
for (x = 0; x < m_cAllocatedSinks; x++) {
|
|
if (m_rgSinks[x]) {
|
|
QUICK_RELEASE(m_rgSinks[x]);
|
|
}
|
|
}
|
|
HeapFree(g_hHeap, 0, m_rgSinks);
|
|
}
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::CConnectionPiont::DoInvoke
|
|
//=--------------------------------------------------------------------------=
|
|
// fires an event to all listening on our event interface.
|
|
//
|
|
// Parameters:
|
|
// DISPID - [in] event to fire.
|
|
// DISPPARAMS - [in]
|
|
//
|
|
// Notes:
|
|
//
|
|
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.
|
|
//
|
|
if (m_cSinks == 0)
|
|
return;
|
|
else if (m_SingleSink) {
|
|
((IDispatch *)m_SingleSink)->Invoke(dispid, IID_NULL, 0, DISPATCH_METHOD, pdispparams, NULL, NULL, NULL);
|
|
} else {
|
|
for (iConnection = 0; iConnection < m_cAllocatedSinks; iConnection++) {
|
|
if (m_rgSinks[iConnection]) {
|
|
((IDispatch *)m_rgSinks[iConnection])->Invoke(dispid, IID_NULL, 0, DISPATCH_METHOD, pdispparams, NULL, NULL, NULL);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::CConnectionPoint::DoOnChanged
|
|
//=--------------------------------------------------------------------------=
|
|
// fires the OnChanged event for IPropertyNotifySink listeners.
|
|
//
|
|
// Parameters:
|
|
// DISPID - [in] dude that changed.
|
|
//
|
|
// Output:
|
|
// none
|
|
//
|
|
// Notes:
|
|
//
|
|
void COleControl::CConnectionPoint::DoOnChanged
|
|
(
|
|
DISPID dispid
|
|
)
|
|
{
|
|
int iConnection;
|
|
|
|
// if we don't have any sinks, then there's nothing to do.
|
|
//
|
|
if (m_cSinks == 0)
|
|
return;
|
|
else if (m_SingleSink) {
|
|
((IPropertyNotifySink *)m_SingleSink)->OnChanged(dispid);
|
|
} else {
|
|
for (iConnection = 0; iConnection < m_cAllocatedSinks; iConnection++) {
|
|
if (m_rgSinks[iConnection]) {
|
|
((IPropertyNotifySink *)m_rgSinks[iConnection])->OnChanged(dispid);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::CConnectionPoint::DoOnRequestEdit
|
|
//=--------------------------------------------------------------------------=
|
|
// fires the OnRequestEdit for IPropertyNotifySinkListeners
|
|
//
|
|
// Parameters:
|
|
// DISPID - [in] dispid user wants to change.
|
|
//
|
|
// Output:
|
|
// BOOL - false means you cant
|
|
//
|
|
// Notes:
|
|
//
|
|
BOOL COleControl::CConnectionPoint::DoOnRequestEdit
|
|
(
|
|
DISPID dispid
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
int iConnection;
|
|
|
|
// if we don't have any sinks, then there's nothing to do.
|
|
//
|
|
if (m_cSinks == 0)
|
|
hr = S_OK;
|
|
else if (m_SingleSink) {
|
|
hr =((IPropertyNotifySink *)m_SingleSink)->OnRequestEdit(dispid);
|
|
} else {
|
|
for (iConnection = 0; iConnection < m_cAllocatedSinks; iConnection++) {
|
|
if (m_rgSinks[iConnection]) {
|
|
hr = ((IPropertyNotifySink *)m_rgSinks[iConnection])->OnRequestEdit(dispid);
|
|
if (hr != S_OK)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
HRESULT hr;
|
|
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
|
|
//
|
|
EnterCriticalSection(&g_CriticalSection);
|
|
if (!CTLWNDCLASSREGISTERED(m_ObjectType)) {
|
|
if (!RegisterClassData()) {
|
|
LeaveCriticalSection(&g_CriticalSection);
|
|
return NULL;
|
|
} else
|
|
CTLWNDCLASSREGISTERED(m_ObjectType) = TRUE;
|
|
}
|
|
LeaveCriticalSection(&g_CriticalSection);
|
|
|
|
// let the user set up things like the window title, the
|
|
// style, and anything else they feel interested in fiddling
|
|
// with.
|
|
//
|
|
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.
|
|
//
|
|
if (!m_hwndParent)
|
|
m_hwndParent = GetParkingWindow();
|
|
|
|
fVisible = IsWindowVisible(m_hwndParent);
|
|
|
|
// if a control is subclassed, and we're in
|
|
// a host that doesn't support Message Reflecting, we have to create
|
|
// the user window in another window which will do all the reflecting.
|
|
// VERY blech. [don't however, bother in design mode]
|
|
//
|
|
if (SUBCLASSWNDPROCOFCONTROL(m_ObjectType) && (m_hwndParent != GetParkingWindow())) {
|
|
// determine if the host supports message reflecting.
|
|
//
|
|
if (!m_fCheckedReflecting) {
|
|
VARIANT_BOOL f;
|
|
hr = GetAmbientProperty(DISPID_AMBIENT_MESSAGEREFLECT, VT_BOOL, &f);
|
|
if (FAILED(hr) || !f)
|
|
m_fHostReflects = FALSE;
|
|
m_fCheckedReflecting = TRUE;
|
|
}
|
|
|
|
// if the host doesn't support reflecting, then we have to create
|
|
// an extra window around the control window, and then parent it
|
|
// off that.
|
|
//
|
|
if (!m_fHostReflects) {
|
|
ASSERT(m_hwndReflect == NULL, "Where'd this come from?");
|
|
m_hwndReflect = CreateReflectWindow(!fVisible, m_hwndParent, x, y, &m_Size);
|
|
if (!m_hwndReflect)
|
|
return NULL;
|
|
SetWindowLongPtr(m_hwndReflect, GWLP_USERDATA, (LONG_PTR)this);
|
|
dwWindowStyle |= WS_VISIBLE;
|
|
}
|
|
} else {
|
|
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,
|
|
(m_hwndReflect) ? 0 : x,
|
|
(m_hwndReflect) ? 0 : y,
|
|
m_Size.cx, m_Size.cy,
|
|
(m_hwndReflect) ? m_hwndReflect : m_hwndParent,
|
|
NULL, g_hInstance, NULL);
|
|
|
|
// clean up some variables, and leave the critical section
|
|
//
|
|
m_fCreatingWindow = FALSE;
|
|
s_pLastControlCreated = NULL;
|
|
LeaveCriticalSection(&g_CriticalSection);
|
|
|
|
if (m_hwnd) {
|
|
// let the derived-control do something if they so desire
|
|
//
|
|
if (!AfterCreateWindow()) {
|
|
BeforeDestroyWindow();
|
|
SetWindowLongPtr(m_hwnd, GWLP_USERDATA, (LONG_PTR)0xFFFFFFFF);
|
|
DestroyWindow(m_hwnd);
|
|
m_hwnd = NULL;
|
|
return m_hwnd;
|
|
}
|
|
|
|
// if we didn't create the window visible, show it now.
|
|
//
|
|
|
|
if (fVisible)
|
|
{
|
|
if (GetParent(m_hwnd) != m_hwndParent)
|
|
// SetWindowPos fails if parent hwnd is passed in so keep
|
|
// this behaviour in those cases without ripping.
|
|
SetWindowPos(m_hwnd, m_hwndParent, 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
|
|
//
|
|
// Notes:
|
|
//
|
|
void COleControl::SetInPlaceParent
|
|
(
|
|
HWND hwndParent
|
|
)
|
|
{
|
|
ASSERT(!m_pInPlaceSiteWndless, "This routine should only get called for windowed OLE controls");
|
|
|
|
if (m_hwndParent == hwndParent)
|
|
return;
|
|
|
|
m_hwndParent = hwndParent;
|
|
if (m_hwnd)
|
|
SetParent(GetOuterWindow(), 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);
|
|
HRESULT hr;
|
|
LRESULT lResult;
|
|
DWORD dwCookie;
|
|
|
|
// 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);
|
|
// This test and else clause, which you would resonably expect to never
|
|
// ever happen, is needed for the plugin control when hosting the SGI
|
|
// COSMO plugin. That plugin queries GWL_USERDATA and uses it as a pointer.
|
|
// In IE4.0 we in-place deactivate it when IE3 did not, causing the window
|
|
// to be destroyed, and the SGI COSMO plugin to fault. The fix is for the
|
|
// Plugin control to never use the GWL_USERDATA == -1 mechanism.
|
|
// -Tomsn, 1/2/97 (happy new year), IE4 bug 13292.
|
|
if( pCtl != NULL ) {
|
|
pCtl->m_hwnd = hwnd;
|
|
}
|
|
else {
|
|
return DefWindowProc(hwnd, msg, wParam, lParam);
|
|
}
|
|
} else if ((LONG_PTR)pCtl == (LONG_PTR)0xffffffff) {
|
|
return DefWindowProc(hwnd, msg, wParam, lParam);
|
|
}
|
|
|
|
// message preprocessing
|
|
//
|
|
if (pCtl->m_pSimpleFrameSite) {
|
|
hr = pCtl->m_pSimpleFrameSite->PreMessageFilter(hwnd, msg, wParam, lParam, &lResult, &dwCookie);
|
|
if (hr == S_FALSE) return lResult;
|
|
}
|
|
|
|
// for certain messages, do not call the user window proc. instead,
|
|
// we have something else we'd like to do.
|
|
//
|
|
switch (msg) {
|
|
case WM_PAINT:
|
|
{
|
|
// call the user's OnDraw routine.
|
|
//
|
|
PAINTSTRUCT ps;
|
|
RECT rc;
|
|
HDC hdc;
|
|
|
|
// if we're given an HDC, then use it
|
|
//
|
|
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;
|
|
|
|
case WM_SETFOCUS:
|
|
case WM_KILLFOCUS:
|
|
// give the control site focus notification
|
|
//
|
|
if (pCtl->m_fInPlaceActive && pCtl->m_pControlSite)
|
|
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 (pCtl->m_pSimpleFrameSite)
|
|
pCtl->m_pSimpleFrameSite->PostMessageFilter(hwnd, msg, wParam, lParam, &lResult, dwCookie);
|
|
|
|
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.
|
|
//
|
|
BOOL COleControl::SetFocus
|
|
(
|
|
BOOL fGrab
|
|
)
|
|
{
|
|
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 SetGUIFocus(hwnd);
|
|
} else
|
|
return FALSE;
|
|
}
|
|
|
|
// dead code
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::SetGUIFocus
|
|
//=--------------------------------------------------------------------------=
|
|
// does the work of setting the Windows GUI focus to the specified window
|
|
//
|
|
// Parameters:
|
|
// HWND - [in] window that should get focus
|
|
//
|
|
// Output:
|
|
// BOOL - [out] whether setting focus succeeded
|
|
//
|
|
// Notes:
|
|
// we do this because some controls host non-ole window hierarchies, like
|
|
// the Netscape plugin ocx. in such cases, the control may need to be UIActive
|
|
// to function properly in the document, but cannot take the windows focus
|
|
// away from one of its child windows. such controls may override this method
|
|
// and respond as appropriate.
|
|
//
|
|
BOOL COleControl::SetGUIFocus
|
|
(
|
|
HWND hwndSet
|
|
)
|
|
{
|
|
return (::SetFocus(hwndSet) == hwndSet);
|
|
}
|
|
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::ReflectWindowProc
|
|
//=--------------------------------------------------------------------------=
|
|
// reflects window messages on to the child window.
|
|
//
|
|
// Parameters and Output:
|
|
// - see win32 sdk docs
|
|
//
|
|
// Notes:
|
|
//
|
|
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 *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
|
|
if (pCtl)
|
|
return SendMessage(pCtl->m_hwnd, OCM__BASE + msg, wParam, lParam);
|
|
break;
|
|
}
|
|
|
|
return DefWindowProc(hwnd, msg, wParam, lParam);
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// 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.
|
|
//
|
|
// Notes:
|
|
//
|
|
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.
|
|
//
|
|
// Notes:
|
|
//
|
|
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
|
|
)
|
|
{
|
|
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(pEventInfo->cParameters <= MAX_ARGS, "Don't support more than MAX_ARGS params. sorry.");
|
|
|
|
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
|
|
// dang 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(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);
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::AfterCreateWindow [overridable]
|
|
//=--------------------------------------------------------------------------=
|
|
// something the user can pay attention to
|
|
//
|
|
// Output:
|
|
// BOOL - false means fatal error, can't continue
|
|
// Notes:
|
|
//
|
|
BOOL COleControl::AfterCreateWindow
|
|
(
|
|
void
|
|
)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::BeforeCreateWindow [overridable]
|
|
//=--------------------------------------------------------------------------=
|
|
// called just before we create a window. the user should register their
|
|
// window class here, and set up any other things, such as the title of
|
|
// the window, and/or sytle bits, etc ...
|
|
//
|
|
// Parameters:
|
|
// DWORD * - [out] dwWindowFlags
|
|
// DWORD * - [out] dwExWindowFlags
|
|
// LPSTR - [out] name of window to create
|
|
//
|
|
// Output:
|
|
// BOOL - false means fatal error, can't continue
|
|
//
|
|
// Notes:
|
|
//
|
|
BOOL COleControl::BeforeCreateWindow
|
|
(
|
|
DWORD *pdwWindowStyle,
|
|
DWORD *pdwExWindowStyle,
|
|
LPSTR pszWindowTitle
|
|
)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::InvalidateControl [callable]
|
|
//=--------------------------------------------------------------------------=
|
|
void COleControl::InvalidateControl
|
|
(
|
|
LPCRECT lpRect
|
|
)
|
|
{
|
|
if (m_fInPlaceActive)
|
|
InvalidateRect(m_hwnd, lpRect, TRUE);
|
|
else
|
|
ViewChanged();
|
|
|
|
// CONSIDER: one might want to call pOleAdviseHolder->OnDataChanged() here
|
|
// if there was support for IDataObject
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// 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!
|
|
//
|
|
HRESULT COleControl::RecreateControlWindow
|
|
(
|
|
void
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
HWND hwndPrev = HWND_TOP;
|
|
|
|
// 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;
|
|
if (m_hwndReflect) {
|
|
DestroyWindow(m_hwndReflect);
|
|
m_hwndReflect = 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;
|
|
}
|
|
|
|
// from Globals.C. don't need to mutex it here since we only read it.
|
|
//
|
|
extern HINSTANCE g_hInstResources;
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::GetResourceHandle [callable]
|
|
//=--------------------------------------------------------------------------=
|
|
// gets the HINSTANCE of the DLL where the control should get resources
|
|
// from. implemented in such a way to support satellite DLLs.
|
|
//
|
|
// Output:
|
|
// HINSTANCE
|
|
//
|
|
// Notes:
|
|
//
|
|
HINSTANCE COleControl::GetResourceHandle
|
|
(
|
|
void
|
|
)
|
|
{
|
|
if (!g_fSatelliteLocalization)
|
|
return g_hInstance;
|
|
|
|
// if we've already got it, then there's not all that much to do.
|
|
// don't need to crit sect this one right here since even if they do fall
|
|
// into the ::GetResourceHandle call, it'll properly deal with things.
|
|
//
|
|
if (g_hInstResources)
|
|
return g_hInstResources;
|
|
|
|
// we'll get the ambient localeid from the host, and pass that on to the
|
|
// automation object.
|
|
//
|
|
// crit sect this for apartment threading support.
|
|
//
|
|
EnterCriticalSection(&g_CriticalSection);
|
|
if (!g_fHaveLocale)
|
|
// if we can't get the ambient locale id, then we'll just continue
|
|
// with the globally set up value.
|
|
//
|
|
if (!GetAmbientProperty(DISPID_AMBIENT_LOCALEID, VT_I4, &g_lcidLocale))
|
|
goto Done;
|
|
|
|
g_fHaveLocale = TRUE;
|
|
|
|
Done:
|
|
LeaveCriticalSection(&g_CriticalSection);
|
|
return ::GetResourceHandle();
|
|
}
|