BOOL NotifyLogon(
PWINDOWSTATION pwinsta,
PLUID pluidCaller,
DWORD dwFlags)
{
BOOL fNotified = FALSE;
PWND pwndWinlogon;
if (dwFlags & EWX_SHUTDOWN) {
for (pwinsta = grpwinstaList; pwinsta != NULL;
pwinsta = pwinsta->rpwinstaNext) {
pwndWinlogon = pwinsta->spwndLogonNotify;
if (pwndWinlogon != NULL) {
_PostMessage(pwndWinlogon, WM_LOGONNOTIFY, LOGON_LOGOFF,
(LONG)dwFlags);
fNotified = TRUE;
}
}
} else {
LUID luidSystem = SYSTEM_LUID;
pwndWinlogon = pwinsta->spwndLogonNotify;
if (pwndWinlogon != NULL &&
(RtlEqualLuid(&pwinsta->luidUser, pluidCaller) ||
RtlEqualLuid(&luidSystem, pluidCaller))) {
_PostMessage(pwndWinlogon, WM_LOGONNOTIFY, LOGON_LOGOFF,
(LONG)dwFlags);
fNotified = TRUE;
}
}
return fNotified;
}
/***************************************************************************\
* xxxCancelMouseMoveTracking
*
* History
* 12/07/96 GerardoB Created
\***************************************************************************/
void xxxCancelMouseMoveTracking (DWORD dwDTFlags, PWND pwndTrack, int htEx, DWORD dwDTCancel)
{
CheckLock(pwndTrack);
/*
* Hottracking
*/
if ((dwDTFlags & DF_HOTTRACKING) && (dwDTCancel & DF_HOTTRACKING)) {
/*
* The current state must be owned by the current queue.
* Otherwise, we're about to do an inter-queue cancelation.
*/
UserAssert(PtiCurrent()->pq == GETPTI(pwndTrack)->pq);
xxxHotTrack(pwndTrack, htEx, FALSE);
}
/*
* Tooltips
*/
if ((dwDTFlags & DF_TOOLTIPSHOWING) && (dwDTCancel & DF_TOOLTIP)) {
PTOOLTIPWND pttwnd = (PTOOLTIPWND)PWNDTOOLTIP(pwndTrack);
TL tlpwnd;
ThreadLockAlways(pttwnd, &tlpwnd);
xxxResetTooltip(pttwnd);
ThreadUnlock(&tlpwnd);
}
/*
* Mouse Leave
*/
if ((dwDTFlags & DF_TRACKMOUSELEAVE) && (dwDTCancel & DF_TRACKMOUSELEAVE)) {
_PostMessage(pwndTrack,
((htEx == HTCLIENT) ? WM_MOUSELEAVE : WM_NCMOUSELEAVE),
0, 0);
}
/*
* Mouse Hover
*/
if ((dwDTFlags & DF_TRACKMOUSEHOVER) && (dwDTCancel & DF_TRACKMOUSEHOVER)) {
_KillSystemTimer(pwndTrack, IDSYS_MOUSEHOVER);
}
}
BOOL _TranslateMessage(
LPMSG pmsg,
UINT flags)
{
PTHREADINFO pti;
UINT wMsgType;
WORD *pwParam;
int cChar;
BOOL fSysKey = FALSE;
BOOL bBreak;
LPARAM lParam;
switch (pmsg->message) {
default:
return FALSE;
case WM_SYSKEYDOWN:
/*
* HACK carried over from Win3 code: system messages
* only get posted during KEYDOWN processing - so
* set fSysKey only for WM_SYSKEYDOWN.
*/
fSysKey = TRUE;
/*
* Fall thru...
*/
case WM_SYSKEYUP:
case WM_KEYDOWN:
case WM_KEYUP:
pti = PtiCurrent();
if ((pti->pMenuState != NULL) &&
(HW(pti->pMenuState->pGlobalPopupMenu->spwndPopupMenu) ==
pmsg->hwnd)) {
flags |= 1;
} else {
flags &= ~1;
}
/*
* Don't change the contents of the passed in structure.
*/
lParam = pmsg->lParam;
cChar = InternalToUnicode(LOWORD(pmsg->wParam), // virtual key code
HIWORD(lParam), // scan code, make/break bit
pti->pq->afKeyState,
pState, 16, // see init.c
flags, &bBreak);
/*
* LATER 12/7/90 - GregoryW
* Note: Win3.x TranslateMessage returns TRUE if ToAscii is called.
* Proper behavior is to return TRUE if any translation is
* performed by ToAscii. If we have to remain compatible
* (even though apps clearly don't currently care about the
* return value) then the following return should be changed
* to TRUE. If we want the new 32-bit apps to have a meaningful
* return value we should leave this as FALSE.
*
* If console is calling us with the TM_POSTCHARBREAKS flag then we
* return FALSE if no char was actually posted
*
* !!! LATER get console to change so it does not need private API
* TranslateMessageEx
*/
if (!cChar) {
if (flags & TM_POSTCHARBREAKS)
return FALSE;
else
return TRUE;
}
/*
* Some translation performed. Figure out what type of
* message to post.
*
*/
if (cChar > 0)
wMsgType = (fSysKey) ? (UINT)WM_SYSCHAR : (UINT)WM_CHAR;
else {
wMsgType = (fSysKey) ? (UINT)WM_SYSDEADCHAR : (UINT)WM_DEADCHAR;
cChar = -cChar; // want positive value
}
if (bBreak) {
lParam |= 0x80000000;
} else {
lParam &= ~0x80000000;
}
pwParam = (WORD *)pState;
for ( ; cChar > 0; cChar--) {
/*
* If this is a multi-character posting, all but the last one
* should be marked as fake keystrokes for Console/VDM.
*/
_PostMessage(PW(pmsg->hwnd), wMsgType, (DWORD)*pwParam,
lParam | (cChar > 1 ? FAKE_KEYSTROKE : 0));
*pwParam = 0; // zero out old character
pwParam += 1;
}
return TRUE;
}
}
BOOL xxxDoHotKeyStuff(
UINT vk,
BOOL fBreak,
DWORD fsReserveKeys)
{
#ifdef WINDOWS_NOT_HOT
static BOOL fOnlyWinKey = FALSE;
#endif
static UINT fsModifiers = 0;
static UINT fsModOnlyCandidate = 0;
UINT fsModOnlyHotkey;
UINT fs;
PHOTKEY phk;
PWND pwnd;
BOOL fCancel;
BOOL fEatDebugKeyBreak = FALSE;
CheckCritIn();
/*
* Update fsModifiers.
*/
fs = 0;
fsModOnlyHotkey = 0;
switch (vk) {
case VK_RSHIFT:
fs = MOD_RSHIFT;
case VK_LSHIFT:
case VK_SHIFT:
vk = VK_SHIFT;
fs |= MOD_SHIFT;
break;
case VK_RCONTROL:
fs = MOD_RCONTROL;
case VK_LCONTROL:
vk = VK_CONTROL;
case VK_CONTROL:
fs |= MOD_CONTROL;
break;
case VK_RMENU:
fs = MOD_RALT;
case VK_LMENU:
vk = VK_MENU;
case VK_MENU:
fs |= MOD_ALT;
break;
case VK_LWIN:
case VK_RWIN:
fs = MOD_WIN;
break;
default:
/*
* A non-modifier key rules out Modifier-Only hotkeys
*/
fsModOnlyCandidate = 0;
break;
}
if (fBreak) {
fsModifiers &= ~fs;
/*
* If a modifier key is coming up, the current modifier only hotkey
* candidate must be tested to see if it is a hotkey. Store this
* in fsModOnlyHotkey, and prevent the next key release from
* being a candidate by clearing fsModOnlyCandidate.
*/
if (fs != 0) {
fsModOnlyHotkey = fsModOnlyCandidate;
fsModOnlyCandidate = 0;
}
} else {
fsModifiers |= fs;
/*
* If a modifier key is going down, we have a modifier-only hotkey
* candidate. Save current modifier state until the following break.
*/
if (fs != 0) {
fsModOnlyCandidate = fsModifiers;
}
}
if (vk == VK_DELETE) {
/*
* Special case for SAS (Ctrl+Alt+Del) - examine physical key state!
*
* An evil daemon process can fool convincingly pretend to be winlogon
* by registering Alt+Del as a hotkey, and spinning another thread that
* continually calls keybd_event() to send the Ctrl key up: when the
* user types Ctrl+Alt+Del, only Alt+Del will be seen by the system,
* the evil daemon will get woken by WM_HOTKEY and can pretend to be
* winlogon. So look at gafPhysKeyState in this case, to see what keys
* were physically pressed.
* NOTE: If hotkeys are ever made to work under journal playback, make
* sure they don't affect the gafPhysKeyState! - IanJa.
*/
UINT fPhysMods =
(TestKeyDownBit(gafPhysKeyState, VK_MENU) ? MOD_ALT : 0) |
(TestKeyDownBit(gafPhysKeyState, VK_SHIFT) ? MOD_SHIFT : 0) |
(TestKeyDownBit(gafPhysKeyState, VK_CONTROL) ? MOD_CONTROL : 0);
if ((fPhysMods & (MOD_CONTROL|MOD_ALT)) == MOD_CONTROL|MOD_ALT) {
/*
* Use physical modifiers keys
*/
fsModifiers = fPhysMods;
}
}
#ifdef WINDOWS_NOT_HOT
/*
* track whether any key has been pressed since a Windows key went down
*/
if (vk == VK_LWIN || vk == VK_RWIN) {
if (!fBreak) {
fOnlyWinKey = TRUE;
} else if (fOnlyWinKey) {
fOnlyWinKey = FALSE;
CancelJournalling();
pwnd = GETDESKINFO(PtiCurrent())->spwndShell;
if (pwnd != NULL) {
_PostMessage(pwnd, WM_SYSCOMMAND, SC_TASKLIST, 0);
return TRUE;
}
}
} else {
fOnlyWinKey = FALSE;
}
#endif
/*
* If the key is not a hotkey then we're done but first check if the
* key is an Alt-Escape if so we need to cancel journalling.
*
* NOTE: Support for Alt+Esc to cancel journalling dropped in NT 4.0
*/
if (fsModOnlyHotkey && fBreak) {
/*
* A hotkey involving only VK_SHIFT, VK_CONTROL, VK_MENU or VK_WINDOWS
* must only operate on a key release.
*/
if ((phk = IsHotKey(LOWORD(fsModOnlyHotkey), VK_NONE)) == NULL) {
return FALSE;
}
} else if ((phk = IsHotKey(LOWORD(fsModifiers), vk)) == NULL) {
return FALSE;
}
if (phk->id == IDHOT_WINDOWS) {
pwnd = GETDESKINFO(PtiCurrent())->spwndShell;
if (pwnd != NULL) {
_PostMessage(pwnd, WM_SYSCOMMAND, SC_TASKLIST, 0);
return TRUE;
}
}
if ((phk->id == IDHOT_DEBUG) || (phk->id == IDHOT_DEBUGSERVER)) {
if (!fBreak) {
/*
* The DEBUG key has been pressed. Break the appropriate
* thread into the debugger.
*/
fEatDebugKeyBreak = xxxActivateDebugger(phk->fsModifiers);
}
/*
* This'll eat the debug key down and break if we broke into
* the debugger on the server only on the down.
*/
return fEatDebugKeyBreak;
}
/*
* don't allow hotkeys(except for ones owned by the logon process)
* if the window station is locked.
*/
if (((grpdeskRitInput->rpwinstaParent->dwFlags & WSF_SWITCHLOCK) != 0) &&
(phk->pti->Thread->Cid.UniqueProcess != gpidLogon)) {
return FALSE;
}
if ((fsModOnlyHotkey == 0) && fBreak) {
/*
* Do Modifier-Only hotkeys on break events, else return here.
*/
return FALSE;
}
/*
* Unhook hooks if a control-escape, alt-escape, or control-alt-del
* comes through, so the user can cancel if the system seems hung.
*
* Note the hook may be locked so even if the unhook succeeds it
* won't remove the hook from the global asphkStart array. So
* we have to walk the list manually. This code works because
* we are in the critical section and we know other hooks won't
* be deleted.
*
* Once we've unhooked, post a WM_CANCELJOURNAL message to the app
* that set the hook so it knows we did this.
*
* NOTE: Support for Alt+Esc to cancel journalling dropped in NT 4.0
*/
fCancel = FALSE;
if (vk == VK_ESCAPE && LOWORD(fsModifiers) == MOD_CONTROL) {
fCancel = TRUE;
}
if (vk == VK_DELETE && (fsModifiers & (MOD_CONTROL | MOD_ALT)) ==
(MOD_CONTROL | MOD_ALT)) {
fCancel = TRUE;
}
if (fCancel)
CancelJournalling();
/*
* See if the key is reserved by a console window. If it is,
* return FALSE so the key will be passed to the console.
*/
if (fsReserveKeys != 0) {
switch (vk) {
case VK_TAB:
if ((fsReserveKeys & CONSOLE_ALTTAB) &&
((fsModifiers & (MOD_CONTROL | MOD_ALT)) == MOD_ALT)) {
return FALSE;
}
break;
case VK_ESCAPE:
if ((fsReserveKeys & CONSOLE_ALTESC) &&
((fsModifiers & (MOD_CONTROL | MOD_ALT)) == MOD_ALT)) {
return FALSE;
}
if ((fsReserveKeys & CONSOLE_CTRLESC) &&
((fsModifiers & (MOD_CONTROL | MOD_ALT)) == MOD_CONTROL)) {
return FALSE;
}
break;
case VK_RETURN:
if ((fsReserveKeys & CONSOLE_ALTENTER) &&
((fsModifiers & (MOD_CONTROL | MOD_ALT)) == MOD_ALT)) {
return FALSE;
}
break;
case VK_SNAPSHOT:
if ((fsReserveKeys & CONSOLE_PRTSC) &&
((fsModifiers & (MOD_CONTROL | MOD_ALT)) == 0)) {
return FALSE;
}
if ((fsReserveKeys & CONSOLE_ALTPRTSC) &&
((fsModifiers & (MOD_CONTROL | MOD_ALT)) == MOD_ALT)) {
return FALSE;
}
break;
case VK_SPACE:
if ((fsReserveKeys & CONSOLE_ALTSPACE) &&
((fsModifiers & (MOD_CONTROL | MOD_ALT)) == MOD_ALT)) {
return FALSE;
}
break;
}
}
/*
* If this is the task-list hotkey, go ahead and set foreground
* status to the task-list queue right now. This prevents problems
* where the user hits ctrl-esc and types-ahead before the task-list
* processes the hotkey and brings up the task-list window.
*/
if ((LOWORD(fsModifiers) == MOD_CONTROL) && (vk == VK_ESCAPE) && !fBreak) {
PWND pwndSwitch;
TL tlpwndSwitch;
if (ghwndSwitch != NULL) {
pwndSwitch = PW(ghwndSwitch);
ThreadLock(pwndSwitch, &tlpwndSwitch);
xxxSetForegroundWindow2(pwndSwitch, NULL, 0);
ThreadUnlock(&tlpwndSwitch);
}
}
/*
* Get the hot key contents.
*/
if (phk->spwnd == NULL) {
_PostThreadMessage(
phk->pti, WM_HOTKEY, phk->id,
MAKELONG(LOWORD(fsModifiers), vk));
} else {
if (phk->spwnd == PWND_INPUTOWNER) {
if (gpqForeground != NULL) {
pwnd = gpqForeground->spwndFocus;
} else {
return FALSE;
}
} else {
pwnd = phk->spwnd;
}
if (pwnd) {
if (pwnd == pwnd->head.rpdesk->pDeskInfo->spwndShell && phk->id == SC_TASKLIST) {
_PostMessage(pwnd, WM_SYSCOMMAND, SC_TASKLIST, 0);
} else {
_PostMessage(pwnd, WM_HOTKEY, phk->id, MAKELONG(LOWORD(fsModifiers), vk));
}
}
}
/*
* If this is a Modifier-Only hotkey, let the modifier break through
* by returning FALSE, otherwise we will have modifier keys stuck down.
*/
return (fsModOnlyHotkey == 0);
}
void PostMessageWait(dword dwProcID, dword dwEvent, byte *pBuff, int nLength)
{
while (!_PostMessage(dwProcID, dwEvent, pBuff, nLength))
::Sleep(110);
}
