able/windows-nt
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity
windows-nt/Source/XPSP1/NT/multimedia/dshow/mfvideo/msmfcnt/cstutils.h

1290 lines
40 KiB
C
Raw Permalink Normal View History

Add source files
2020-09-26 03:20:57 -05:00
/*************************************************************************/
/* Copyright (C) 1999 Microsoft Corporation */
/* File: CstUtils.h */
/* Description: Utilities that we can share across mutliple modules. */
/* Author: David Janecek */
/*************************************************************************/
#ifndef __MSMFCSTUTILS_H_
#define __MSMFCSTUTILS_H_
#include <commctrl.h>
#ifdef _WMP
#include "wmp.h" // for wmp integration
#endif
const bool gcfGrayOut = false;
#define WM_USER_FOCUS (WM_USER + 0x10)
#define WM_USER_ENDHELP (WM_USER + 0x11)
#define OCR_ARROW_DEFAULT 100
#define USE_MF_OVERWRITES \
HRESULT InvalidateRgn(bool fErase = false){return MFInvalidateRgn(fErase);} \
HRESULT FireViewChange(){return MFFireViewChange();} \
HRESULT InPlaceActivate(LONG iVerb, const RECT* prcPosRect){return MFInPlaceActivate(iVerb, prcPosRect);} \
HRESULT SetCapture(bool bCapture){return MFSetCapture(bCapture);} \
HRESULT SetFocus(bool bFocus){return MFSetFocus(bFocus);} \
HWND GetWindow(){return MFGetWindow();} \
HRESULT ForwardWindowMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, LONG& lRes,\
bool fForwardInWndls = false){return MFForwardWindowMessage(uMsg, wParam, lParam, lRes, \
fForwardInWndls);}
#define USE_MF_RESOURCEDLL \
STDMETHOD(get_ResourceDLL)(/*[out, retval]*/ BSTR *pVal){return get_MFResourceDLL(pVal);} \
STDMETHOD(put_ResourceDLL)(/*[in]*/ BSTR newVal){return put_MFResourceDLL(newVal);}
#define USE_MF_WINDOWLESS_ACTIVATION \
STDMETHOD(get_Windowless)(VARIANT_BOOL *pVal){return get_MFWindowless(pVal);} \
STDMETHOD(put_Windowless)(VARIANT_BOOL newVal){return put_MFWindowless(newVal);}
#define USE_MF_TRANSPARENT_FLAG \
STDMETHOD(get_TransparentBlit)(TransparentBlitType *pVal){return get_MFTransparentBlit(pVal);}\
STDMETHOD(put_TransparentBlit)(TransparentBlitType newVal){return put_MFTransparentBlit(newVal);}
#define USE_MF_CLASSSTYLE \
static CWndClassInfo& GetWndClassInfo(){ \
static HBRUSH wcBrush = ::CreateSolidBrush(RGB(0,0,0)); \
static CWndClassInfo wc = {{ sizeof(WNDCLASSEX), 0 /*CS_OWNDC*/, StartWindowProc, \
0, 0, NULL, NULL, NULL, wcBrush /* (HBRUSH)(COLOR_WINDOW + 1) */, \
NULL, TEXT("MSMFCtlClass"), NULL }, \
NULL, NULL, MAKEINTRESOURCE(OCR_ARROW_DEFAULT), TRUE, 0, _T("") }; \
return wc; \
}/* end of function GetWndClassInfo */
#define USE_MF_TOOLTIP \
STDMETHOD(GetDelayTime)(long delayType, long *pVal) {return MFGetDelayTime(delayType, pVal); } \
STDMETHOD(SetDelayTime)(long delayType, long newVal){return MFSetDelayTime(delayType, newVal); } \
STDMETHOD(get_ToolTip)(BSTR *pVal) {return get_MFToolTip(pVal); } \
STDMETHOD(put_ToolTip)(BSTR newVal) {put_MFToolTip(newVal); return CreateToolTip(m_hWnd, m_rcPos);} \
STDMETHOD(get_ToolTipMaxWidth)(long *pVal) {return get_MFToolTipMaxWidth(pVal); } \
STDMETHOD(put_ToolTipMaxWidth)(long newVal){return put_MFToolTipMaxWidth(newVal); } \
STDMETHOD(get_ToolTipTracking)(VARIANT_BOOL *pVal) {return get_MFTooltipTracking(pVal); } \
STDMETHOD(put_ToolTipTracking)(VARIANT_BOOL newVal) {put_MFTooltipTracking(newVal); return CreateToolTip(m_hWnd, m_rcPos);} \
HRESULT OnPostVerbInPlaceActivate() { \
/* Return if tooltip is already created */ \
if (m_hWndTip) return S_OK; \
return CreateToolTip(m_hWnd, m_rcPos); \
} \
/*************************************************************************/
/* Defines */
/* Could not find these under windows headers, so if there is a conflict */
/* it is good idea to ifdef these out. */
/*************************************************************************/
#define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
#define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
template <class T>
class ATL_NO_VTABLE CMSMFCntrlUtils{
/*************************************************************************/
/* PUBLIC MEMBER FUNCTIONS */
/*************************************************************************/
public:
/*************************************************************************/
/* Function: CMSMFCntrlUtils */
/*************************************************************************/
CMSMFCntrlUtils(){
m_hRes = NULL;
m_blitType = TRANSPARENT_TOP_LEFT; // DISABLE used to be the correct default TODO
m_fNoFocusGrab = true; // to enable standalone "windowed" focus handeling please
// make this flag a property
m_hCursor = ::LoadCursor(NULL, MAKEINTRESOURCE(OCR_ARROW_DEFAULT));
m_hWndTip = NULL;
m_nTTMaxWidth = 200;
m_bTTTracking = FALSE;
m_bTrackingActivated = FALSE;
m_dwTTInitalDelay = 10;
m_dwTTReshowDelay = 2;
m_dwTTAutopopDelay = 10000;
::ZeroMemory(&m_toolInfo, sizeof(TOOLINFO));
}/* end of function CMSMFCntrlUtils */
/*************************************************************************/
/* Function: ~CMSMFCntrlUtils */
/*************************************************************************/
virtual ~CMSMFCntrlUtils(){
if (m_hCursor != NULL) {
::DestroyCursor(m_hCursor);
m_hCursor = NULL;
}/* end of if statement */
if(NULL != m_hRes){
::FreeLibrary(m_hRes); // unload our resource library
m_hRes = NULL;
}/* end of if statement */
}/* end of function ~CMSMFCntrlUtils */
/*************************************************************************/
/* Message Map */
/*************************************************************************/
typedef CMSMFCntrlUtils< T > thisClass;
BEGIN_MSG_MAP(thisClass)
MESSAGE_HANDLER(WM_ERASEBKGND, CMSMFCntrlUtils::MFOnErase)
MESSAGE_HANDLER(WM_SETCURSOR, CMSMFCntrlUtils::MFOnSetCursor)
MESSAGE_HANDLER(WM_QUERYNEWPALETTE, CMSMFCntrlUtils::MFOnQueryNewPalette)
MESSAGE_HANDLER(WM_PALETTECHANGED, CMSMFCntrlUtils::MFOnPaletteChanged)
MESSAGE_RANGE_HANDLER(WM_MOUSEFIRST, WM_MOUSELAST, CMSMFCntrlUtils::MFOnMouseToolTip)
END_MSG_MAP()
/*************************************************************************/
/* Function: MFOnErase */
/* Description: Avoids erasing backround to avoid flashing. */
/*************************************************************************/
LRESULT MFOnErase(UINT, WPARAM wParam, LPARAM lParam, BOOL& bHandled){
bHandled = TRUE;
return 0;
}/* end of function MFOnErase */
/*************************************************************************/
/* Function: MFOnSetCursor */
/* Description: Sets our cursor. */
/*************************************************************************/
LRESULT MFOnSetCursor(UINT, WPARAM wParam, LPARAM lParam, BOOL& bHandled){
bHandled = TRUE;
::SetCursor(m_hCursor);
return(TRUE);
}/* end of function MFOnSetCursor */
/*************************************************************************/
/* Function: MFOnQueryNewPalette */
/* Description: Called when we are about to be instantiated. */
/*************************************************************************/
LRESULT MFOnQueryNewPalette(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled){
T* pT = static_cast<T*>(this);
if(NULL == ::IsWindow(pT->m_hWnd)){
bHandled = FALSE;
return FALSE;
}/* end of if statement */
HPALETTE hPal = CBitmap::GetSuperPal();
if(NULL == hPal){
//bHandled = FALSE;
return FALSE;
}/* end of if statement */
HDC hdc = ::GetDC(pT->m_hWnd);
if(NULL == hdc){
return FALSE;
}/* end of if statement */
::SelectPalette(hdc, hPal, FALSE);
::RealizePalette(hdc);
::InvalidateRect(pT->m_hWnd, NULL, FALSE);
::ReleaseDC(pT->m_hWnd, hdc);
return TRUE;
}/* end of function MFOnQueryNewPalette */
/*************************************************************************/
/* Function: MFOnPaletteChanged */
/* Description: Called when palette is chaning. */
/*************************************************************************/
LRESULT MFOnPaletteChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled){
T* pT = static_cast<T*>(this);
if(NULL == ::IsWindow(pT->m_hWnd)){
bHandled = FALSE;
return FALSE;
}/* end of if statement */
if((HWND) wParam == pT->m_hWnd){
bHandled = FALSE;
return FALSE;
}/* end of if statement */
HPALETTE hPal = CBitmap::GetSuperPal();
if(NULL == hPal){
bHandled = FALSE;
return FALSE;
}/* end of if statement */
HDC hdc = ::GetDC(pT->m_hWnd);
if(NULL == hdc){
return FALSE;
}/* end of if statement */
::SelectPalette(hdc, hPal, FALSE);
::RealizePalette(hdc);
::UpdateColors(hdc);
::InvalidateRect(pT->m_hWnd, NULL, FALSE);
::ReleaseDC(pT->m_hWnd, hdc);
bHandled = FALSE;
return TRUE;
}/* end of function MFOnPaletteChanged */
/*************************************************************************/
/* Function: get_MFResourceDLL */
/* Description: Returns the string of the loaded resource DLL. */
/*************************************************************************/
STDMETHOD(get_MFResourceDLL)(BSTR *pVal){
*pVal = m_strResDLL.Copy();
return S_OK;
}/* end of function get_MFResourceDLL */
/*************************************************************************/
/* Function: put_MFResourceDLL */
/* Description: Loads the resource DLL. */
/*************************************************************************/
STDMETHOD(put_MFResourceDLL)(BSTR strFileName){
HRESULT hr = LoadResourceDLL(strFileName);
// see if we loaded it
if(FAILED(hr)){
return(hr);
}/* end of if statement */
// update the cached variable value
m_strResDLL = strFileName;
return(hr);
}/* end of function put_MFResourceDLL */
/*************************************************************************/
/* Function: get_MFWindowless */
/* Description: Gets if we we tried to be windowless activated or not. */
/*************************************************************************/
HRESULT get_MFWindowless(VARIANT_BOOL *pVal){
HRESULT hr = S_OK;
try {
T* pT = static_cast<T*>(this);
if(NULL == pVal){
throw(E_POINTER);
}/* end of if statement */
*pVal = pT->m_bWindowOnly == FALSE ? VARIANT_FALSE: VARIANT_TRUE;
}/* end of try statement */
catch(HRESULT hrTmp){
hr = hrTmp;
}/* end of catch statement */
catch(...){
hr = E_UNEXPECTED;
}/* end of catch statement */
return(hr);
}/* end of function get_MFWindowless */
/*************************************************************************/
/* Function: put_MFWindowless */
/* Description: This sets the windowless mode, should be set from the */
/* property bag. */
/*************************************************************************/
HRESULT put_MFWindowless(VARIANT_BOOL newVal){
HRESULT hr = S_OK;
try {
T* pT = static_cast<T*>(this);
if(VARIANT_FALSE == newVal){
pT->m_bWindowOnly = TRUE;
}
else {
pT->m_bWindowOnly = FALSE;
}/* end of if statement */
// TODO: This function should fail after we inplace activated !!
}/* end of try statement */
catch(HRESULT hrTmp){
hr = hrTmp;
}/* end of catch statement */
catch(...){
hr = E_UNEXPECTED;
}/* end of catch statement */
return(hr);
}/* end of function put_MFWindowless */
/*************************************************************************/
/* Function: get_MFTransparentBlit */
/* Description: Gets current state of the transperent blit. */
/*************************************************************************/
HRESULT get_MFTransparentBlit(TransparentBlitType *pVal){
HRESULT hr = S_OK;
try {
T* pT = static_cast<T*>(this);
*pVal = pT->m_blitType;
}
catch(HRESULT hrTmp){
hr = hrTmp;
}/* end of catch statement */
catch(...){
hr = E_UNEXPECTED;
}/* end of catch statement */
return(hr);
}/* end of function get_MFTransparentBlit */
/*************************************************************************/
/* Function: put_MFTransparentBlit */
/* Description: Sets the state of the transperent blit. */
/*************************************************************************/
HRESULT put_MFTransparentBlit(TransparentBlitType newVal){
HRESULT hr = S_OK;
try {
T* pT = static_cast<T*>(this);
pT->m_blitType = newVal;
}
catch(HRESULT hrTmp){
hr = hrTmp;
}/* end of catch statement */
catch(...){
hr = E_UNEXPECTED;
}/* end of catch statement */
return(hr);
}/* end of function put_MFTransparentBlit */
/*************************************************************************/
/* Function: MFInvalidateRgn */
/* Description: Invalidates the whole rect in case we need to repaint it.*/
/*************************************************************************/
HRESULT MFInvalidateRgn(bool fErase = false){
HRESULT hr = S_OK;
T* pT = static_cast<T*>(this);
if(pT->m_bWndLess){
pT->m_spInPlaceSite->InvalidateRgn(NULL ,fErase ? TRUE: FALSE);
}
else {
if(NULL == pT->m_hWnd){
hr = E_FAIL;
return(hr);
}/* end of if statement */
if(::IsWindow(pT->m_hWnd)){
::InvalidateRgn(pT->m_hWnd, NULL, fErase ? TRUE: FALSE); // see if we can get by by not erasing..
}
else {
hr = E_UNEXPECTED;
}/* end of if statement */
}/* end of if statement */
return(hr);
}/* end of function MFInvalidateRgn */
/*************************************************************************/
/* Function: MFFireViewChange */
/* Description: Overloaded base function, which would try to repaint the */
/* whole container. Just like to repaint the control area instead. */
/*************************************************************************/
inline HRESULT MFFireViewChange(){ // same as FireView change but optimized
T* pT = static_cast<T*>(this);
if (pT->m_bInPlaceActive){
// Active
if (pT->m_hWndCD != NULL){
::InvalidateRect(pT->m_hWndCD, NULL, FALSE); // Window based
}
else if (pT->m_spInPlaceSite != NULL){
pT->m_spInPlaceSite->InvalidateRect(&pT->m_rcPos, FALSE); // Do not invalidate the whole container
}/* end of if statement */
}
else {// Inactive
pT->SendOnViewChange(DVASPECT_CONTENT);
}/* end of if statement */
return S_OK;
}/* end of function MFFireViewChange */
/*************************************************************************/
/* Function: MFForwardWindowMessage */
/* Description: Forward the message to the parent window. */
/*************************************************************************/
HRESULT MFForwardWindowMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, LONG& lRes,
bool fForwardInWndls = false){
HRESULT hr = S_OK;
T* pT = static_cast<T*>(this);
lRes = 0;
if(false == fForwardInWndls){
if(pT->m_bWndLess || (!::IsWindow(pT->m_hWnd))){
hr = S_FALSE;
return (hr);
}/* end of if statement */
}/* end of if statement */
HWND hwnd = NULL;
hr = GetParentHWND(&hwnd);
if(FAILED(hr)){
return(hr);
}/* end of if statement */
lRes = (LONG)::SendMessage(hwnd, uMsg, wParam, lParam);
return(hr);
}/* end of function MFForwardWindowMessage */
/*************************************************************************/
/* Function: InPlaceActivate */
/* Description: Modified InPlaceActivate so WMP can startup. */
/*************************************************************************/
HRESULT MFInPlaceActivate(LONG iVerb, const RECT* /*prcPosRect*/){
HRESULT hr;
T* pT = static_cast<T*>(this);
if (pT->m_spClientSite == NULL){
return S_OK;
}/* end of if statement */
CComPtr<IOleInPlaceObject> pIPO;
pT->ControlQueryInterface(IID_IOleInPlaceObject, (void**)&pIPO);
ATLASSERT(pIPO != NULL);
if (!pT->m_bNegotiatedWnd){
if (!pT->m_bWindowOnly)
// Try for windowless site
hr = pT->m_spClientSite->QueryInterface(IID_IOleInPlaceSiteWindowless, (void **)&pT->m_spInPlaceSite);
if (pT->m_spInPlaceSite){
pT->m_bInPlaceSiteEx = TRUE;
// CanWindowlessActivate returns S_OK or S_FALSE
if ( pT->m_spInPlaceSite->CanWindowlessActivate() == S_OK ){
pT->m_bWndLess = TRUE;
pT->m_bWasOnceWindowless = TRUE;
}
else
{
pT->m_bWndLess = FALSE;
}/* end of if statement */
}
else {
pT->m_spClientSite->QueryInterface(IID_IOleInPlaceSiteEx, (void **)&pT->m_spInPlaceSite);
if (pT->m_spInPlaceSite)
pT->m_bInPlaceSiteEx = TRUE;
else
hr = pT->m_spClientSite->QueryInterface(IID_IOleInPlaceSite, (void **)&pT->m_spInPlaceSite);
}/* end of if statement */
}/* end of if statement */
ATLASSERT(pT->m_spInPlaceSite);
if (!pT->m_spInPlaceSite)
return E_FAIL;
pT->m_bNegotiatedWnd = TRUE;
if (!pT->m_bInPlaceActive){
BOOL bNoRedraw = FALSE;
if (pT->m_bWndLess)
pT->m_spInPlaceSite->OnInPlaceActivateEx(&bNoRedraw, ACTIVATE_WINDOWLESS);
else {
if (pT->m_bInPlaceSiteEx)
pT->m_spInPlaceSite->OnInPlaceActivateEx(&bNoRedraw, 0);
else {
hr = pT->m_spInPlaceSite->CanInPlaceActivate();
// CanInPlaceActivate returns S_FALSE or S_OK
if (FAILED(hr))
return hr;
if ( hr != S_OK )
{
// CanInPlaceActivate returned S_FALSE.
return( E_FAIL );
}
pT->m_spInPlaceSite->OnInPlaceActivate();
}/* end of if statement */
}/* end of if statement */
}/* end of if statement */
pT->m_bInPlaceActive = TRUE;
// get location in the parent window,
// as well as some information about the parent
//
OLEINPLACEFRAMEINFO frameInfo;
RECT rcPos, rcClip;
CComPtr<IOleInPlaceFrame> spInPlaceFrame;
CComPtr<IOleInPlaceUIWindow> spInPlaceUIWindow;
frameInfo.cb = sizeof(OLEINPLACEFRAMEINFO);
HWND hwndParent;
// DJ - GetParentHWND per MNnovak
if (SUCCEEDED( GetParentHWND(&hwndParent) )){
pT->m_spInPlaceSite->GetWindowContext(&spInPlaceFrame,
&spInPlaceUIWindow, &rcPos, &rcClip, &frameInfo);
if (!pT->m_bWndLess){
if (pT->m_hWndCD){
::ShowWindow(pT->m_hWndCD, SW_SHOW);
if (!::IsChild(pT->m_hWndCD, ::GetFocus()))
::SetFocus(pT->m_hWndCD);
}
else{
HWND h = pT->CreateControlWindow(hwndParent, rcPos);
ATLASSERT(h != NULL); // will assert if creation failed
ATLASSERT(h == pT->m_hWndCD);
h; // avoid unused warning
}/* end of if statement */
}/* end of if statement */
pIPO->SetObjectRects(&rcPos, &rcClip);
}/* end of if statement */
CComPtr<IOleInPlaceActiveObject> spActiveObject;
pT->ControlQueryInterface(IID_IOleInPlaceActiveObject, (void**)&spActiveObject);
// Gone active by now, take care of UIACTIVATE
if (pT->DoesVerbUIActivate(iVerb)){
if (!pT->m_bUIActive){
pT->m_bUIActive = TRUE;
hr = pT->m_spInPlaceSite->OnUIActivate();
if (FAILED(hr))
return hr;
pT->SetControlFocus(TRUE);
// set ourselves up in the host.
//
if (spActiveObject)
{
if (spInPlaceFrame)
spInPlaceFrame->SetActiveObject(spActiveObject, NULL);
if (spInPlaceUIWindow)
spInPlaceUIWindow->SetActiveObject(spActiveObject, NULL);
}
if (spInPlaceFrame)
spInPlaceFrame->SetBorderSpace(NULL);
if (spInPlaceUIWindow)
spInPlaceUIWindow->SetBorderSpace(NULL);
}/* end of if statement */
}/* end of if statement */
pT->m_spClientSite->ShowObject();
return S_OK;
}/* end of function MFInPlaceActivate */
/*************************************************************************/
/* PROTECTED MEMBER FUNCTIONS */
/*************************************************************************/
protected:
/*************************************************************************/
/* Function: MFGetWindow */
/* Description: Gets the window. If we are windowless we pass */
/* down the parent container window, which is really in a sense parent. */
/*************************************************************************/
HWND MFGetWindow(){
HWND hwnd = NULL;
T* pT = static_cast<T*>(this);
if(pT->m_bWndLess){
GetParentHWND(&hwnd);
return(hwnd);
}/* end of if statement */
//ATLASSERT(::IsWindow(m_hWnd));
return pT->m_hWnd;
}/* end of function MFGetWindow */
/*************************************************************************/
/* Function: GetParentHWND */
/* Description: Gets the parent window HWND where we are operating. */
/*************************************************************************/
HRESULT GetParentHWND(HWND* pWnd){
HRESULT hr = S_OK;
T* pT = static_cast<T*>(this);
CComPtr<IOleClientSite> pClientSite;
CComPtr<IOleContainer> pContainer;
CComPtr<IOleObject> pObject;
hr = pT->GetClientSite(&pClientSite);
if(FAILED(hr)){
return(hr);
}/* end of if statement */
IOleWindow *pOleWindow;
do {
hr = pClientSite->QueryInterface(IID_IOleWindow, (LPVOID *) &pOleWindow);
if(FAILED(hr)){
return(hr);
}/* end of if statement */
hr = pOleWindow->GetWindow(pWnd);
// if pClientSite is windowless, go get its container
if (FAILED(hr)) {
HRESULT hrTemp = pClientSite->GetContainer(&pContainer);
if(FAILED(hrTemp)){
return(hrTemp);
}/* end of if statement */
hrTemp = pContainer->QueryInterface(IID_IOleObject, (LPVOID*)&pObject);
if(FAILED(hrTemp)){
return(hrTemp);
}/* end of if statement */
hrTemp = pObject->GetClientSite(&pClientSite);
if(FAILED(hrTemp)){
return(hrTemp);
}/* end of if statement */
}
} while (FAILED(hr));
return(hr);
}/* end of function GetParentHWND */
/*************************************************************************/
/* Function: GetCapture */
/* Description: Gets the capture state. S_FALSE no capture S_OK has */
/* capture. */
/*************************************************************************/
HRESULT GetCapture(){
HRESULT hr = E_UNEXPECTED;
T* pT = static_cast<T*>(this);
if(pT->m_bWndLess){
hr = pT->m_spInPlaceSite->GetCapture();
}
else {
if(NULL == pT->m_hWnd){
hr = E_FAIL;
return(hr);
}/* end of if statement */
if(::IsWindow(pT->m_hWnd)){
HWND h = ::GetCapture();
if(pT->m_hWnd == h){
hr = S_OK;
}
else {
hr = S_FALSE;
}/* end of if statement */
}
else {
hr = E_UNEXPECTED;
}/* end of if statement */
}/* end of if statement */
return(hr);
}/* end of function GetCapture */
/*************************************************************************/
/* Function: GetFocus */
/* Description: Gets the focus state. S_FALSE no capture S_OK has */
/* a focus. */
/*************************************************************************/
HRESULT GetFocus(){
HRESULT hr = E_UNEXPECTED;
T* pT = static_cast<T*>(this);
if(pT->m_bWndLess || m_fNoFocusGrab){
hr = pT->m_spInPlaceSite->GetFocus();
}
else {
if(NULL == pT->m_hWnd){
hr = E_FAIL;
return(hr);
}/* end of if statement */
if(::IsWindow(pT->m_hWnd)){
HWND h = ::GetFocus();
if(pT->m_hWnd == h){
hr = S_OK;
}
else {
hr = S_FALSE;
}/* end of if statement */
}
else {
hr = E_UNEXPECTED;
}/* end of if statement */
}/* end of if statement */
return(hr);
}/* end of function GetFocus */
/*************************************************************************/
/* Function: MFSetFocus */
/* Description: Sets the focus for the keyboard. */
/*************************************************************************/
HRESULT MFSetFocus(bool fFocus){
HRESULT hr = S_OK;
T* pT = static_cast<T*>(this);
if(pT->m_bWndLess || m_fNoFocusGrab){
pT->m_spInPlaceSite->SetFocus(fFocus ? TRUE: FALSE);
}
else {
if(NULL == pT->m_hWnd){
hr = E_FAIL;
return(hr);
}/* end of if statement */
if(::IsWindow(pT->m_hWnd)){
if(fFocus){
::SetFocus(pT->m_hWnd);
}
else {
}/* end of if statement */
}
else {
hr = E_UNEXPECTED;
}/* end of if statement */
}/* end of if statement */
return(hr);
}/* end of function MFSetFocus */
/*************************************************************************/
/* Function: MFSetCapture */
/* Description: Sets the capture for the mouse. */
/*************************************************************************/
HRESULT MFSetCapture(bool bCapture){
HRESULT hr = S_OK;
T* pT = static_cast<T*>(this);
if(pT->m_bWndLess){
pT->m_spInPlaceSite->SetCapture(bCapture ? TRUE: FALSE);
}
else {
#if 0
if(bCapture){
ATLTRACE("SETTING mouse capture! \n");
}
else {
ATLTRACE("RELEASING mouse capture! \n");
}/* end of if statement */
#endif
if(NULL == pT->m_hWnd){
hr = E_FAIL;
return(hr);
}/* end of if statement */
if(::IsWindow(pT->m_hWnd)){
if(bCapture){
::SetCapture(pT->m_hWnd);
}
else {
// note this might case problems if multiple ActiveX controls
// in the container have a capture
if(::GetCapture() == pT->m_hWnd){
::ReleaseCapture();
}/* end of if statement */
}/* end of if statement */
}
else {
hr = E_UNEXPECTED;
}/* end of if statement */
}/* end of if statement */
return(hr);
}/* end of function MFSetCapture */
/*************************************************************************/
/* Function: LoadResourceDLL */
/* Description: The path is relative to this module exe */
/*************************************************************************/
HRESULT LoadResourceDLL(BSTR strResDLLName){
HRESULT hr = E_UNEXPECTED;
if(NULL != m_hRes){
::FreeLibrary(m_hRes); // unload our resource library if we had some loaded
}/* end of if statement */
#if 0 // use relative path
TCHAR szModule[_MAX_PATH+10];
::GetModuleFileName(_Module.m_hInstResource, szModule, _MAX_PATH);
*( _tcsrchr( szModule, '\\' ) + 1 ) = TEXT('\0');
// now attempt to load the library, since it is not ActiveX control
USES_CONVERSION;
_tcscat( szModule, OLE2T(strResDLLName));
m_hRes = ::LoadLibrary(szModule);
#else
USES_CONVERSION;
m_hRes = ::LoadLibrary(OLE2T(strResDLLName));
#endif
if (!m_hRes){
hr = HRESULT_FROM_WIN32(::GetLastError());
ATLTRACE(TEXT("Failed to load resource DLL\n"));
}
else {
hr = S_OK;
}/* end of if statement */
return (hr);
}/* end of function LoadResourceDLL */
/*************************************************************/
/* Name: get_ToolTip */
/* Description: create a tool tip for the button */
/*************************************************************/
HRESULT get_MFToolTip(BSTR *pVal){
if (!pVal) {
return E_POINTER;
}
*pVal = m_bstrToolTip.Copy();
return S_OK;
}/* end of function get_ToolTip */
/*************************************************************/
/* Name: put_ToolTip */
/* Description: create a tool tip for the button */
/* Cache the tooltip string if there is no window available */
/*************************************************************/
HRESULT put_MFToolTip(BSTR newVal){
m_bstrToolTip = newVal;
return S_OK;
}
/*************************************************************/
/* Name: get_MFTooltipTracking
/* Description:
/*************************************************************/
HRESULT get_MFTooltipTracking(VARIANT_BOOL *pVal) {
if (!pVal) {
return E_POINTER;
}
*pVal = (m_bTTTracking==FALSE) ? VARIANT_FALSE:VARIANT_TRUE;
return S_OK;
}
/*************************************************************/
/* Name: put_MFTooltipTracking
/* Description:
/*************************************************************/
HRESULT put_MFTooltipTracking(VARIANT_BOOL newVal) {
BOOL bTemp = (newVal==VARIANT_FALSE) ? FALSE:TRUE;
if (m_bTTTracking != bTemp) {
m_bTTTracking = bTemp;
::DestroyWindow(m_hWndTip);
m_hWndTip = NULL;
}
m_bTrackingActivated = FALSE;
return S_OK;
}
/*************************************************************/
/* Name: CreateToolTip
/* Description: create a tool tip for the button
/*************************************************************/
HRESULT CreateToolTip(HWND parentWnd, RECT rc){
HWND hwnd = MFGetWindow();
if (!hwnd) return S_FALSE;
if (m_bstrToolTip.Length() == 0)
return S_FALSE;
USES_CONVERSION;
TOOLINFO ti; // tool information
ti.cbSize = sizeof(TOOLINFO);
ti.hwnd = hwnd;
ti.hinst = _Module.GetModuleInstance();
ti.lpszText = OLE2T(m_bstrToolTip);
// if the button is a windowed control, the tool tip is added to
// the button's own window, and the tool tip area should just be
// the client rect of the window
if (hwnd == parentWnd) {
::GetClientRect(hwnd, &ti.rect);
ti.uId = (WPARAM) hwnd;
ti.uFlags = TTF_IDISHWND;
}
// otherwise the tool tip is added to the closet windowed parent of
// the button, and the tool tip area should be the relative postion
// of the button in the parent window
else {
ti.rect.left = rc.left;
ti.rect.top = rc.top;
ti.rect.right = rc.right;
ti.rect.bottom = rc.bottom;
ti.uId = (UINT) 0;
ti.uFlags = 0;
}
if (m_bTTTracking)
ti.uFlags |= TTF_TRACK;
// If tool tip is to be created for the first time
if (m_hWndTip == (HWND) NULL) {
// Ensure that the common control DLL is loaded, and create
// a tooltip control.
InitCommonControls();
m_hWndTip = CreateWindow(TOOLTIPS_CLASS, (LPCTSTR) NULL, TTS_ALWAYSTIP,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
hwnd, (HMENU) NULL, _Module.GetModuleInstance(), NULL);
ATLTRACE(TEXT("Tooltip %s CreateWindow\n"), OLE2T(m_bstrToolTip));
if (m_hWndTip == (HWND) NULL)
return S_FALSE;
if (!::SendMessage(m_hWndTip, TTM_ADDTOOL, 0, (LPARAM)&ti)) {
::DestroyWindow(m_hWndTip);
m_hWndTip = NULL;
return S_FALSE;
}
}
else {
::SendMessage(m_hWndTip, TTM_UPDATETIPTEXT, 0, (LPARAM)&ti);
}
// Save the tooltip info
m_toolInfo = ti;
// Set initial delay time
put_MFToolTipMaxWidth(m_nTTMaxWidth);
MFSetDelayTime(TTDT_AUTOPOP, m_dwTTAutopopDelay);
MFSetDelayTime(TTDT_INITIAL, m_dwTTInitalDelay);
MFSetDelayTime(TTDT_RESHOW, m_dwTTReshowDelay);
return S_OK;
}/* end of function CreateToolTip */
/*************************************************************/
/* Name: GetDelayTime
/* Description: Get the length of time a pointer must remain
/* stationary within a tool's bounding rectangle before the
/* tooltip window appears
/* delayTypes: TTDT_RESHOW 1
/* TTDT_AUTOPOP 2
/* TTDT_INITIAL 3
/*************************************************************/
HRESULT MFGetDelayTime(long delayType, long *pVal){
if (!pVal) {
return E_POINTER;
}
if (delayType>TTDT_INITIAL || delayType<TTDT_RESHOW) {
return E_INVALIDARG;
}
// If tooltip has been created
if (m_hWndTip) {
*pVal = (long)::SendMessage(m_hWndTip, TTM_GETDELAYTIME,
(WPARAM) (DWORD) delayType, 0);
}
// else return cached values
else {
switch (delayType) {
case TTDT_AUTOPOP:
*pVal = m_dwTTAutopopDelay;
break;
case TTDT_INITIAL:
*pVal = m_dwTTInitalDelay;
break;
case TTDT_RESHOW:
*pVal = m_dwTTReshowDelay;
break;
}
}
return S_OK;
}/* end of function GetDelayTime */
/*************************************************************/
/* Name: SetDelayTime
/* Description: Set the length of time a pointer must remain
/* stationary within a tool's bounding rectangle before the
/* tooltip window appears
/* delayTypes: TTDT_AUTOMATIC 0
/* TTDT_RESHOW 1
/* TTDT_AUTOPOP 2
/* TTDT_INITIAL 3
/*************************************************************/
HRESULT MFSetDelayTime(long delayType, long newVal){
if (delayType>TTDT_INITIAL || delayType<TTDT_AUTOMATIC || newVal<0) {
return E_INVALIDARG;
}
if (m_hWndTip) {
if (!::SendMessage(m_hWndTip, TTM_SETDELAYTIME,
(WPARAM) (DWORD) delayType,
(LPARAM) (INT) newVal))
return S_FALSE;
}
// cache these values
switch (delayType) {
case TTDT_AUTOPOP:
m_dwTTAutopopDelay = newVal;
break;
case TTDT_INITIAL:
m_dwTTInitalDelay = newVal;
break;
case TTDT_RESHOW:
m_dwTTReshowDelay = newVal;
break;
case TTDT_AUTOMATIC:
m_dwTTInitalDelay = newVal;
m_dwTTAutopopDelay = newVal*10;
m_dwTTReshowDelay = newVal/5;
break;
}
return S_OK;
}/* end of function SetDelayTime */
/*************************************************************************/
/* Function: get_ToolTipMaxWidth */
/*************************************************************************/
HRESULT get_MFToolTipMaxWidth(long *pVal){
if (!pVal) {
return E_POINTER;
}
if (m_hWndTip){
*pVal = (long)::SendMessage(m_hWndTip, TTM_GETMAXTIPWIDTH, 0, 0);
}/* end of if statement */
return S_OK;
}/* end of function get_ToolTipMaxWidth */
/*************************************************************************/
/* Function: put_ToolTipMaxWidth */
/*************************************************************************/
HRESULT put_MFToolTipMaxWidth(long newVal){
if (newVal<0) {
return E_INVALIDARG;
}
m_nTTMaxWidth = newVal;
if (m_hWndTip){
::SendMessage(m_hWndTip, TTM_SETMAXTIPWIDTH, 0, (LPARAM)(INT) newVal);
}/* end of if statement */
return S_OK;
}/* end of function put_ToolTipMaxWidth */
/*************************************************************/
/* Name: UpdateTooltipRect
/* Description:
/*************************************************************/
HRESULT UpdateTooltipRect(LPCRECT prcPos) {
if (!m_hWndTip) return S_OK;
HWND hwnd = MFGetWindow();
if (!hwnd) return S_FALSE;
m_toolInfo.rect = *prcPos; // new tooltip position
if (!::SendMessage(m_hWndTip, TTM_NEWTOOLRECT, 0,
(LPARAM) (LPTOOLINFO) &m_toolInfo))
return S_FALSE;
return S_OK;
} /* end of function UpdateTooltipRect */
/*************************************************************************/
/* Function: MFOnMouseToolTip */
/* Description: Check if we were captured/pushed the do not do much, */
/* otherwise do the hit detection and see if we are in static or hower */
/* state. */
/*************************************************************************/
LRESULT MFOnMouseToolTip(UINT msg, WPARAM wParam, LPARAM lParam, BOOL& bHandled){
#define X_OFFSET 15
#define Y_OFFSET X_OFFSET
MSG mssg;
mssg.hwnd = MFGetWindow();
ATLASSERT(mssg.hwnd);
mssg.message = msg;
mssg.wParam = wParam;
mssg.lParam = lParam;
POINT pt;
::GetCursorPos(&pt);
mssg.pt.x = pt.x;
mssg.pt.y = pt.y;
if (m_hWndTip)
::SendMessage(m_hWndTip, TTM_RELAYEVENT, 0, (LPARAM)&mssg);
RECT rc = m_toolInfo.rect;
::MapWindowPoints(m_toolInfo.hwnd, ::GetDesktopWindow(), (LPPOINT)&rc, 2);
if (::PtInRect(&rc, pt)) {
if (m_hWndTip) {
if (m_bTTTracking) {
::SendMessage(m_hWndTip, TTM_TRACKPOSITION, 0, (LPARAM)MAKELPARAM(X_OFFSET+pt.x, Y_OFFSET+pt.y));
// Activate tracking if not yet
if (!m_bTrackingActivated) {
::SendMessage(m_hWndTip, TTM_TRACKACTIVATE, TRUE, (LPARAM)&m_toolInfo);
m_bTrackingActivated = TRUE;
}
}
}
}
bHandled = FALSE;
return 0;
}/* end of function MFOnMouseToolTip */
// variables
protected:
HINSTANCE m_hRes;
HCURSOR m_hCursor;
CComBSTR m_strResDLL;
TransparentBlitType m_blitType;
bool m_fNoFocusGrab; // disable grabbing focus for windowed controls
HWND m_hWndTip; // Tooltip window
TOOLINFO m_toolInfo; // Tooltip info
LONG m_nTTMaxWidth; // Max tooltip width
CComBSTR m_bstrToolTip; // Tooltip string
BOOL m_bTTTracking; // Tracking or not
BOOL m_bTrackingActivated; // Tracking activated or not
DWORD m_dwTTReshowDelay;
DWORD m_dwTTAutopopDelay;
DWORD m_dwTTInitalDelay;
};
#endif //__MSMFCSTUTILS_H_
/*************************************************************************/
/* End of file: CstUtils.h */
/*************************************************************************/
Reference in a new issue Copy permalink