/**
* Retrieve mouse coordinates and features from the host.
*
* @remarks Ring-0.
* @returns VBox status code.
*
* @param pfFeatures Where to store the mouse features.
* @param px Where to store the X co-ordinate.
* @param py Where to store the Y co-ordinate.
*/
DECLVBGL(int) VbglGetMouseStatus(uint32_t *pfFeatures, uint32_t *px,
uint32_t *py)
{
VMMDevReqMouseStatus Req;
VBGLDRIVER *pDriver;
int rc;
rc = vbglGetDriver(&pDriver);
if (RT_FAILURE(rc))
return rc;
vmmdevInitRequest(&Req.header, VMMDevReq_GetMouseStatus);
Req.mouseFeatures = 0;
Req.pointerXPos = 0;
Req.pointerYPos = 0;
rc = vbglDriverIOCtl(pDriver, VBOXGUEST_IOCTL_VMMREQUEST(sizeof(Req)),
&Req.header, sizeof(Req));
if (RT_FAILURE(rc))
return rc;
if (RT_FAILURE(Req.header.rc))
return Req.header.rc;
if (pfFeatures)
*pfFeatures = Req.mouseFeatures;
if (px)
*px = Req.pointerXPos;
if (py)
*py = Req.pointerYPos;
return VINF_SUCCESS;
}
VBGLR3DECL(int) VbglR3GRPerform(VMMDevRequestHeader *pReq)
{
DWORD cbReturned;
DeviceIoControl(gVBoxDriver, VBOXGUEST_IOCTL_VMMREQUEST(pReq->size), pReq, pReq->size,
pReq, pReq->size, &cbReturned, NULL);
return VINF_SUCCESS;
}
/**
* dprintf worker using VBoxGuest.sys and VMMDevReq_LogString.
*/
static void WriteLog(const char *pszFormat, ...)
{
/*
* Open VBox guest driver once.
*/
static HANDLE s_hVBoxGuest = INVALID_HANDLE_VALUE;
HANDLE hVBoxGuest = s_hVBoxGuest;
if (hVBoxGuest == INVALID_HANDLE_VALUE)
{
hVBoxGuest = CreateFile(VBOXGUEST_DEVICE_NAME,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
NULL);
if (hVBoxGuest == INVALID_HANDLE_VALUE)
return;
s_hVBoxGuest = hVBoxGuest;
}
/*
* We're apparently afraid of using stack here, so we use a static buffer
* instead and pray we won't be here at the same time on two threads...
*/
static union
{
VMMDevReqLogString Req;
uint8_t abBuf[1024];
} s_uBuf;
vmmdevInitRequest(&s_uBuf.Req.header, VMMDevReq_LogString);
va_list va;
va_start(va, pszFormat);
size_t cch = vsprintf(s_uBuf.Req.szString, pszFormat, va);
va_end(va);
s_uBuf.Req.header.size += (uint32_t)cch;
if (s_uBuf.Req.header.size > sizeof(s_uBuf))
__debugbreak();
DWORD cbReturned;
DeviceIoControl(hVBoxGuest, VBOXGUEST_IOCTL_VMMREQUEST(s_uBuf.Req.size),
&s_uBuf.Req, s_uBuf.Req.header.size,
&s_uBuf.Req, s_uBuf.Req.header.size,
&cbReturned, NULL);
}
/**
* Thread function to wait for and process seamless mode change
* requests
*/
unsigned __stdcall VBoxSeamlessThread(void *pInstance)
{
VBOXSEAMLESSCONTEXT *pCtx = (VBOXSEAMLESSCONTEXT *)pInstance;
HANDLE gVBoxDriver = pCtx->pEnv->hDriver;
bool fTerminate = false;
VBoxGuestFilterMaskInfo maskInfo;
DWORD cbReturned;
BOOL fWasScreenSaverActive = FALSE, ret;
maskInfo.u32OrMask = VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST;
maskInfo.u32NotMask = 0;
if (DeviceIoControl (gVBoxDriver, VBOXGUEST_IOCTL_CTL_FILTER_MASK, &maskInfo, sizeof (maskInfo), NULL, 0, &cbReturned, NULL))
{
Log(("VBoxTray: VBoxSeamlessThread: DeviceIOControl(CtlMask - or) succeeded\n"));
}
else
{
Log(("VBoxTray: VBoxSeamlessThread: DeviceIOControl(CtlMask) failed, SeamlessChangeThread exited\n"));
return 0;
}
do
{
/* wait for a seamless change event */
VBoxGuestWaitEventInfo waitEvent;
waitEvent.u32TimeoutIn = 5000;
waitEvent.u32EventMaskIn = VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST;
if (DeviceIoControl(gVBoxDriver, VBOXGUEST_IOCTL_WAITEVENT, &waitEvent, sizeof(waitEvent), &waitEvent, sizeof(waitEvent), &cbReturned, NULL))
{
Log(("VBoxTray: VBoxSeamlessThread: DeviceIOControl succeeded\n"));
/* are we supposed to stop? */
if (WaitForSingleObject(pCtx->pEnv->hStopEvent, 0) == WAIT_OBJECT_0)
break;
Log(("VBoxTray: VBoxSeamlessThread: checking event\n"));
/* did we get the right event? */
if (waitEvent.u32EventFlagsOut & VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST)
{
Log(("VBoxTray: VBoxTray: going to get seamless change information\n"));
/* We got at least one event. Read the requested resolution
* and try to set it until success. New events will not be seen
* but a new resolution will be read in this poll loop.
*/
for (;;)
{
/* get the seamless change request */
VMMDevSeamlessChangeRequest seamlessChangeRequest = {0};
vmmdevInitRequest((VMMDevRequestHeader*)&seamlessChangeRequest, VMMDevReq_GetSeamlessChangeRequest);
seamlessChangeRequest.eventAck = VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST;
BOOL fSeamlessChangeQueried = DeviceIoControl(gVBoxDriver, VBOXGUEST_IOCTL_VMMREQUEST(sizeof(seamlessChangeRequest)), &seamlessChangeRequest, sizeof(seamlessChangeRequest),
&seamlessChangeRequest, sizeof(seamlessChangeRequest), &cbReturned, NULL);
if (fSeamlessChangeQueried)
{
Log(("VBoxTray: VBoxSeamlessThread: mode change to %d\n", seamlessChangeRequest.mode));
switch(seamlessChangeRequest.mode)
{
case VMMDev_Seamless_Disabled:
if (fWasScreenSaverActive)
{
Log(("VBoxTray: Re-enabling the screensaver\n"));
ret = SystemParametersInfo(SPI_SETSCREENSAVEACTIVE, TRUE, NULL, 0);
if (!ret)
Log(("VBoxTray: SystemParametersInfo SPI_SETSCREENSAVEACTIVE failed with %d\n", GetLastError()));
}
PostMessage(ghwndToolWindow, WM_VBOX_SEAMLESS_DISABLE, 0, 0);
break;
case VMMDev_Seamless_Visible_Region:
ret = SystemParametersInfo(SPI_GETSCREENSAVEACTIVE, 0, &fWasScreenSaverActive, 0);
if (!ret)
Log(("VBoxTray: SystemParametersInfo SPI_GETSCREENSAVEACTIVE failed with %d\n", GetLastError()));
if (fWasScreenSaverActive)
Log(("VBoxTray: Disabling the screensaver\n"));
ret = SystemParametersInfo(SPI_SETSCREENSAVEACTIVE, FALSE, NULL, 0);
if (!ret)
Log(("VBoxTray: SystemParametersInfo SPI_SETSCREENSAVEACTIVE failed with %d\n", GetLastError()));
PostMessage(ghwndToolWindow, WM_VBOX_SEAMLESS_ENABLE, 0, 0);
break;
case VMMDev_Seamless_Host_Window:
break;
default:
AssertFailed();
break;
}
break;
}
else
{
Log(("VBoxTray: VBoxSeamlessThread: error from DeviceIoControl VBOXGUEST_IOCTL_VMMREQUEST\n"));
}
/* sleep a bit to not eat too much CPU while retrying */
/* are we supposed to stop? */
if (WaitForSingleObject(pCtx->pEnv->hStopEvent, 50) == WAIT_OBJECT_0)
{
fTerminate = true;
break;
}
}
}
}
else
{
Log(("VBoxTray: VBoxTray: error 0 from DeviceIoControl VBOXGUEST_IOCTL_WAITEVENT\n"));
/* sleep a bit to not eat too much CPU in case the above call always fails */
if (WaitForSingleObject(pCtx->pEnv->hStopEvent, 10) == WAIT_OBJECT_0)
{
fTerminate = true;
break;
}
}
}
while (!fTerminate);
maskInfo.u32OrMask = 0;
maskInfo.u32NotMask = VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST;
if (DeviceIoControl (gVBoxDriver, VBOXGUEST_IOCTL_CTL_FILTER_MASK, &maskInfo, sizeof (maskInfo), NULL, 0, &cbReturned, NULL))
{
Log(("VBoxTray: VBoxSeamlessThread: DeviceIOControl(CtlMask - not) succeeded\n"));
}
else
{
Log(("VBoxTray: VBoxSeamlessThread: DeviceIOControl(CtlMask) failed\n"));
}
Log(("VBoxTray: VBoxSeamlessThread: finished seamless change request thread\n"));
return 0;
}
VBGLR3DECL(int) vbglR3GRPerform(VMMDevRequestHeader *pReq)
{
return vbglR3DoIOCtl(VBOXGUEST_IOCTL_VMMREQUEST(pReq->size), pReq, pReq->size);
}
/**
* Thread function to wait for and process seamless mode change
* requests
*/
static DECLCALLBACK(int) VBoxSeamlessWorker(void *pInstance, bool volatile *pfShutdown)
{
AssertPtrReturn(pInstance, VERR_INVALID_POINTER);
LogFlowFunc(("pInstance=%p\n", pInstance));
/*
* Tell the control thread that it can continue
* spawning services.
*/
RTThreadUserSignal(RTThreadSelf());
PVBOXSEAMLESSCONTEXT pCtx = (PVBOXSEAMLESSCONTEXT)pInstance;
HANDLE gVBoxDriver = pCtx->pEnv->hDriver;
VBoxGuestFilterMaskInfo maskInfo;
DWORD cbReturned;
BOOL fWasScreenSaverActive = FALSE, fRet;
maskInfo.u32OrMask = VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST;
maskInfo.u32NotMask = 0;
if (!DeviceIoControl(gVBoxDriver, VBOXGUEST_IOCTL_CTL_FILTER_MASK, &maskInfo, sizeof (maskInfo), NULL, 0, &cbReturned, NULL))
{
DWORD dwErr = GetLastError();
LogRel(("Seamless: DeviceIOControl(CtlMask) failed with %ld, exiting ...\n", dwErr));
return RTErrConvertFromWin32(dwErr);
}
int rc = VINF_SUCCESS;
for (;;)
{
/* wait for a seamless change event */
VBoxGuestWaitEventInfo waitEvent;
waitEvent.u32TimeoutIn = 5000;
waitEvent.u32EventMaskIn = VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST;
if (DeviceIoControl(gVBoxDriver, VBOXGUEST_IOCTL_WAITEVENT, &waitEvent, sizeof(waitEvent), &waitEvent, sizeof(waitEvent), &cbReturned, NULL))
{
/* are we supposed to stop? */
if (*pfShutdown)
break;
/* did we get the right event? */
if (waitEvent.u32EventFlagsOut & VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST)
{
/* We got at least one event. Read the requested resolution
* and try to set it until success. New events will not be seen
* but a new resolution will be read in this poll loop.
*/
for (;;)
{
/* get the seamless change request */
VMMDevSeamlessChangeRequest seamlessChangeRequest = {0};
vmmdevInitRequest((VMMDevRequestHeader*)&seamlessChangeRequest, VMMDevReq_GetSeamlessChangeRequest);
seamlessChangeRequest.eventAck = VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST;
BOOL fSeamlessChangeQueried = DeviceIoControl(gVBoxDriver, VBOXGUEST_IOCTL_VMMREQUEST(sizeof(seamlessChangeRequest)), &seamlessChangeRequest, sizeof(seamlessChangeRequest),
&seamlessChangeRequest, sizeof(seamlessChangeRequest), &cbReturned, NULL);
if (fSeamlessChangeQueried)
{
LogFlowFunc(("Mode changed to %d\n", seamlessChangeRequest.mode));
switch(seamlessChangeRequest.mode)
{
case VMMDev_Seamless_Disabled:
if (fWasScreenSaverActive)
{
LogRel(("Seamless: Re-enabling the screensaver\n"));
fRet = SystemParametersInfo(SPI_SETSCREENSAVEACTIVE, TRUE, NULL, 0);
if (!fRet)
LogRel(("Seamless: SystemParametersInfo SPI_SETSCREENSAVEACTIVE failed with %ld\n", GetLastError()));
}
PostMessage(g_hwndToolWindow, WM_VBOX_SEAMLESS_DISABLE, 0, 0);
break;
case VMMDev_Seamless_Visible_Region:
fRet = SystemParametersInfo(SPI_GETSCREENSAVEACTIVE, 0, &fWasScreenSaverActive, 0);
if (!fRet)
LogRel(("Seamless: SystemParametersInfo SPI_GETSCREENSAVEACTIVE failed with %ld\n", GetLastError()));
if (fWasScreenSaverActive)
LogRel(("Seamless: Disabling the screensaver\n"));
fRet = SystemParametersInfo(SPI_SETSCREENSAVEACTIVE, FALSE, NULL, 0);
if (!fRet)
LogRel(("Seamless: SystemParametersInfo SPI_SETSCREENSAVEACTIVE failed with %ld\n", GetLastError()));
PostMessage(g_hwndToolWindow, WM_VBOX_SEAMLESS_ENABLE, 0, 0);
break;
case VMMDev_Seamless_Host_Window:
break;
default:
AssertFailed();
break;
}
break;
}
else
LogRel(("Seamless: DeviceIoControl(ChangeReq) failed with %ld\n", GetLastError()));
if (*pfShutdown)
break;
/* sleep a bit to not eat too much CPU while retrying */
RTThreadSleep(10);
}
}
}
else
{
/* sleep a bit to not eat too much CPU in case the above call always fails */
RTThreadSleep(10);
}
if (*pfShutdown)
break;
}
maskInfo.u32OrMask = 0;
maskInfo.u32NotMask = VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST;
if (!DeviceIoControl(gVBoxDriver, VBOXGUEST_IOCTL_CTL_FILTER_MASK, &maskInfo, sizeof (maskInfo), NULL, 0, &cbReturned, NULL))
LogRel(("Seamless: DeviceIOControl(CtlMask) failed with %ld\n", GetLastError()));
LogFlowFuncLeaveRC(rc);
return rc;
}
/**
* Thread function to wait for and process mode change requests
*/
unsigned __stdcall VBoxVRDPThread(void *pInstance)
{
VBOXVRDPCONTEXT *pCtx = (VBOXVRDPCONTEXT *)pInstance;
HANDLE gVBoxDriver = pCtx->pEnv->hDriver;
bool fTerminate = false;
VBoxGuestFilterMaskInfo maskInfo;
DWORD cbReturned;
maskInfo.u32OrMask = VMMDEV_EVENT_VRDP;
maskInfo.u32NotMask = 0;
if (DeviceIoControl (gVBoxDriver, VBOXGUEST_IOCTL_CTL_FILTER_MASK, &maskInfo, sizeof (maskInfo), NULL, 0, &cbReturned, NULL))
{
Log(("VBoxTray: VBoxVRDPThread: DeviceIOControl(CtlMask - or) succeeded\n"));
}
else
{
Log(("VBoxTray: VBoxVRDPThread: DeviceIOControl(CtlMask) failed\n"));
return 0;
}
do
{
/* wait for the event */
VBoxGuestWaitEventInfo waitEvent;
waitEvent.u32TimeoutIn = 5000;
waitEvent.u32EventMaskIn = VMMDEV_EVENT_VRDP;
if (DeviceIoControl(gVBoxDriver, VBOXGUEST_IOCTL_WAITEVENT, &waitEvent, sizeof(waitEvent), &waitEvent, sizeof(waitEvent), &cbReturned, NULL))
{
Log(("VBoxTray: VBoxVRDPThread: DeviceIOControl succeeded\n"));
/* are we supposed to stop? */
if (WaitForSingleObject(pCtx->pEnv->hStopEvent, 0) == WAIT_OBJECT_0)
break;
Log(("VBoxTray: VBoxVRDPThread: checking event\n"));
/* did we get the right event? */
if (waitEvent.u32EventFlagsOut & VMMDEV_EVENT_VRDP)
{
/* Call the host to get VRDP status and the experience level. */
VMMDevVRDPChangeRequest vrdpChangeRequest = {0};
vrdpChangeRequest.header.size = sizeof(VMMDevVRDPChangeRequest);
vrdpChangeRequest.header.version = VMMDEV_REQUEST_HEADER_VERSION;
vrdpChangeRequest.header.requestType = VMMDevReq_GetVRDPChangeRequest;
vrdpChangeRequest.u8VRDPActive = 0;
vrdpChangeRequest.u32VRDPExperienceLevel = 0;
if (DeviceIoControl (gVBoxDriver,
VBOXGUEST_IOCTL_VMMREQUEST(sizeof(VMMDevVRDPChangeRequest)),
&vrdpChangeRequest,
sizeof(VMMDevVRDPChangeRequest),
&vrdpChangeRequest,
sizeof(VMMDevVRDPChangeRequest),
&cbReturned, NULL))
{
Log(("VBoxTray: VBoxVRDPThread: u8VRDPActive = %d, level %d\n", vrdpChangeRequest.u8VRDPActive, vrdpChangeRequest.u32VRDPExperienceLevel));
if (vrdpChangeRequest.u8VRDPActive)
{
pCtx->level = vrdpChangeRequest.u32VRDPExperienceLevel;
vboxExperienceSet (pCtx->level);
if (pCtx->level == VRDP_EXPERIENCE_LEVEL_ZERO
&& pCtx->pfnEnableTheming
&& pCtx->pfnIsThemeActive)
{
pCtx->fSavedThemeEnabled = pCtx->pfnIsThemeActive ();
Log(("VBoxTray: VBoxVRDPThread: pCtx->fSavedThemeEnabled = %d\n", pCtx->fSavedThemeEnabled));
if (pCtx->fSavedThemeEnabled)
{
pCtx->pfnEnableTheming (FALSE);
}
}
}
else
{
if (pCtx->level == VRDP_EXPERIENCE_LEVEL_ZERO
&& pCtx->pfnEnableTheming
&& pCtx->pfnIsThemeActive)
{
if (pCtx->fSavedThemeEnabled)
{
/* @todo the call returns S_OK but theming remains disabled. */
HRESULT hrc = pCtx->pfnEnableTheming (TRUE);
Log(("VBoxTray: VBoxVRDPThread: enabling theme rc = 0x%08X\n", hrc));
pCtx->fSavedThemeEnabled = FALSE;
}
}
vboxExperienceRestore (pCtx->level);
pCtx->level = VRDP_EXPERIENCE_LEVEL_FULL;
}
}
else
{
Log(("VBoxTray: VBoxVRDPThread: Error from DeviceIoControl VBOXGUEST_IOCTL_VMMREQUEST\n"));
/* sleep a bit to not eat too much CPU in case the above call always fails */
if (WaitForSingleObject(pCtx->pEnv->hStopEvent, 10) == WAIT_OBJECT_0)
{
fTerminate = true;
break;
}
}
}
}
else
{
Log(("VBoxTray: VBoxVRDPThread: Error from DeviceIoControl VBOXGUEST_IOCTL_WAITEVENT\n"));
/* sleep a bit to not eat too much CPU in case the above call always fails */
if (WaitForSingleObject(pCtx->pEnv->hStopEvent, 10) == WAIT_OBJECT_0)
{
fTerminate = true;
break;
}
}
} while (!fTerminate);
maskInfo.u32OrMask = 0;
maskInfo.u32NotMask = VMMDEV_EVENT_VRDP;
if (DeviceIoControl (gVBoxDriver, VBOXGUEST_IOCTL_CTL_FILTER_MASK, &maskInfo, sizeof (maskInfo), NULL, 0, &cbReturned, NULL))
{
Log(("VBoxTray: VBoxVRDPThread: DeviceIOControl(CtlMask - not) succeeded\n"));
}
else
{
Log(("VBoxTray: VBoxVRDPThread: DeviceIOControl(CtlMask) failed\n"));
}
Log(("VBoxTray: VBoxVRDPThread: Finished VRDP change request thread\n"));
return 0;
}
