void VBoxSeamlessCheckWindows()
{
VBOX_ENUM_PARAM param;
param.hdc = GetDC(HWND_DESKTOP);
param.hrgn = 0;
EnumWindows(VBoxEnumFunc, (LPARAM)¶m);
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);
}
static bool vboxWddmReinitVideoModes(VBOXDISPLAYCONTEXT *pCtx)
{
VBOXDISPIFESCAPE escape = {0};
escape.escapeCode = VBOXESC_REINITVIDEOMODES;
DWORD err = VBoxDispIfEscape(&pCtx->pEnv->dispIf, &escape, 0);
if (err != NO_ERROR)
{
Log((__FUNCTION__": VBoxDispIfEscape failed with err (%d)\n", err));
return false;
}
return true;
}
void VBoxRestoreCheckVRDP()
{
VBOXDISPIFESCAPE escape = {0};
escape.escapeCode = VBOXESC_ISVRDPACTIVE;
/* Check VRDP activity. */
/* Send to display driver. */
DWORD dwRet = VBoxDispIfEscape(&gCtx.pEnv->dispIf, &escape, 0);
Log(("VBoxTray: VBoxRestoreCheckVRDP -> VRDP activate state = %d\n", dwRet));
if (dwRet != gCtx.fRDPState)
{
DWORD cbReturnIgnored;
if (!DeviceIoControl(gCtx.pEnv->hDriver,
dwRet == NO_ERROR
? VBOXGUEST_IOCTL_ENABLE_VRDP_SESSION
: VBOXGUEST_IOCTL_DISABLE_VRDP_SESSION,
NULL, 0, NULL, 0, &cbReturnIgnored, NULL))
{
Log(("VBoxTray: VBoxRestoreCheckVRDP: DeviceIOControl failed, error = %ld\n", GetLastError()));
}
gCtx.fRDPState = dwRet;
}
}
