C++ (Cpp) VBOXDISPIFESCAPE_DATA 예제들

예제 #1

파일: VBoxSeamless.cpp 프로젝트: mutoso-mirrors/vbox

void VBoxSeamlessCheckWindows()
{
    VBOX_ENUM_PARAM param;

    param.hdc       = GetDC(HWND_DESKTOP);
    param.hrgn      = 0;

    EnumWindows(VBoxEnumFunc, (LPARAM)&param);

    if (param.hrgn)
    {
        DWORD cbSize;

        cbSize = GetRegionData(param.hrgn, 0, NULL);
        if (cbSize)
        {
            PVBOXDISPIFESCAPE lpEscapeData = (PVBOXDISPIFESCAPE)malloc(VBOXDISPIFESCAPE_SIZE(cbSize));
            if (lpEscapeData)
            {
                lpEscapeData->escapeCode = VBOXESC_SETVISIBLEREGION;
                LPRGNDATA lpRgnData = VBOXDISPIFESCAPE_DATA(lpEscapeData, RGNDATA);
                memset(lpRgnData, 0, cbSize);
                cbSize = GetRegionData(param.hrgn, cbSize, lpRgnData);
                if (cbSize)
                {
#ifdef DEBUG
                    RECT *lpRect = (RECT *)&lpRgnData->Buffer[0];
                    Log(("VBoxTray: New visible region: \n"));

                    for (DWORD i=0;i<lpRgnData->rdh.nCount;i++)
                    {
                        Log(("VBoxTray: visible rect (%d,%d)(%d,%d)\n", lpRect[i].left, lpRect[i].top, lpRect[i].right, lpRect[i].bottom));
                    }
#endif
                    LPRGNDATA lpCtxRgnData = VBOXDISPIFESCAPE_DATA(gCtx.lpEscapeData, RGNDATA);
                    if (    !gCtx.lpEscapeData
                        ||  (lpCtxRgnData->rdh.dwSize + lpCtxRgnData->rdh.nRgnSize != cbSize)
                        ||  memcmp(lpCtxRgnData, lpRgnData, cbSize))
                    {
                        /* send to display driver */
                        VBoxDispIfEscape(&gCtx.pEnv->dispIf, lpEscapeData, cbSize);

                        if (gCtx.lpEscapeData)
                            free(gCtx.lpEscapeData);
                        gCtx.lpEscapeData = lpEscapeData;
                    }
                    else
                        Log(("VBoxTray: Visible rectangles haven't changed; ignore\n"));
                }
                if (lpEscapeData != gCtx.lpEscapeData)
                    free(lpEscapeData);
            }
        }

        DeleteObject(param.hrgn);
    }

    ReleaseDC(HWND_DESKTOP, param.hdc);
}

예제 #2

파일: VBoxDispIf.cpp 프로젝트: LastRitter/vbox-haiku

static DWORD vboxDispIfEscapeXPDM(PCVBOXDISPIF pIf, PVBOXDISPIFESCAPE pEscape, int cbData)
{
    HDC  hdc = GetDC(HWND_DESKTOP);
    VOID *pvData = cbData ? VBOXDISPIFESCAPE_DATA(pEscape, VOID) : NULL;
    int iRet = ExtEscape(hdc, pEscape->escapeCode, cbData, (LPCSTR)pvData, 0, NULL);
    ReleaseDC(HWND_DESKTOP, hdc);
    if (iRet > 0)
        return VINF_SUCCESS;
    else if (iRet == 0)
        return ERROR_NOT_SUPPORTED;
    /* else */
    return ERROR_GEN_FAILURE;
}

예제 #3

파일: VBoxSeamless.cpp 프로젝트: bhanug/virtualbox

void VBoxSeamlessCheckWindows(bool fForce)
{
    PVBOXSEAMLESSCONTEXT pCtx = &g_Ctx; /** @todo r=andy Use instance data via service lookup (add void *pInstance). */
    AssertPtr(pCtx);

    if (!VBoxDispIfSeamlesIsValid(&gVBoxDispIfSeamless))
        return;

    VBOX_ENUM_PARAM param;

    param.hdc       = GetDC(HWND_DESKTOP);
    param.hrgn      = 0;

    EnumWindows(VBoxEnumFunc, (LPARAM)&param);

    if (param.hrgn)
    {
        DWORD cbSize;

        cbSize = GetRegionData(param.hrgn, 0, NULL);
        if (cbSize)
        {
            PVBOXDISPIFESCAPE lpEscapeData = (PVBOXDISPIFESCAPE)malloc(VBOXDISPIFESCAPE_SIZE(cbSize));
            if (lpEscapeData)
            {
                lpEscapeData->escapeCode = VBOXESC_SETVISIBLEREGION;
                LPRGNDATA lpRgnData = VBOXDISPIFESCAPE_DATA(lpEscapeData, RGNDATA);
                memset(lpRgnData, 0, cbSize);
                cbSize = GetRegionData(param.hrgn, cbSize, lpRgnData);
                if (cbSize)
                {
#ifdef DEBUG
                    RECT *lpRect = (RECT *)&lpRgnData->Buffer[0];
                    Log(("VBoxTray: New visible region: \n"));

                    for (DWORD i=0;i<lpRgnData->rdh.nCount;i++)
                    {
                        Log(("VBoxTray: visible rect (%d,%d)(%d,%d)\n", lpRect[i].left, lpRect[i].top, lpRect[i].right, lpRect[i].bottom));
                    }
#endif
                    LPRGNDATA lpCtxRgnData = VBOXDISPIFESCAPE_DATA(pCtx->lpEscapeData, RGNDATA);
                    if (fForce
                        ||  !pCtx->lpEscapeData
                        ||  (lpCtxRgnData->rdh.dwSize + lpCtxRgnData->rdh.nRgnSize != cbSize)
                        ||  memcmp(lpCtxRgnData, lpRgnData, cbSize))
                    {
                        /* send to display driver */
                        VBoxDispIfSeamlessSubmit(&gVBoxDispIfSeamless, lpEscapeData, cbSize);

                        if (pCtx->lpEscapeData)
                            free(pCtx->lpEscapeData);
                        pCtx->lpEscapeData = lpEscapeData;
                    }
                    else
                        Log(("VBoxTray: Visible rectangles haven't changed; ignore\n"));
                }
                if (lpEscapeData != pCtx->lpEscapeData)
                    free(lpEscapeData);
            }
        }

        DeleteObject(param.hrgn);
    }

    ReleaseDC(HWND_DESKTOP, param.hdc);
}