UINT CalcWakeMask(
UINT wMsgFilterMin,
UINT wMsgFilterMax)
{
UINT fsWakeMask;
/*
* WakeMask starts with all events (plus QS_EVENT so in any case we
* will look for and process event messages). If the filter doesn't
* match certain ranges, we take out bits one by one.
*/
fsWakeMask = QS_ALLEVENTS | QS_EVENT | QS_ALLPOSTMESSAGE;
/*
* First check for a 0, 0 filter which means we want all input.
*/
if (wMsgFilterMin == 0 && wMsgFilterMax == ((UINT)-1)) {
return fsWakeMask;
}
/*
* We're not looking at all posted messages.
*/
fsWakeMask &= ~QS_ALLPOSTMESSAGE;
/*
* Check for mouse move messages.
*/
if ((CheckMsgFilter(WM_NCMOUSEMOVE, wMsgFilterMin, wMsgFilterMax) == FALSE) &&
(CheckMsgFilter(WM_MOUSEMOVE, wMsgFilterMin, wMsgFilterMax) == FALSE)) {
fsWakeMask &= ~QS_MOUSEMOVE;
}
/*
* First check to see if mouse buttons messages are in the filter range.
*/
if ((CheckMsgRange(WM_NCLBUTTONDOWN, WM_NCMBUTTONDBLCLK, wMsgFilterMin,
wMsgFilterMax) == FALSE) && (CheckMsgRange(WM_MOUSEFIRST + 1,
WM_MOUSELAST, wMsgFilterMin, wMsgFilterMax) == FALSE)) {
fsWakeMask &= ~QS_MOUSEBUTTON;
}
/*
* Check for key messages.
*/
if (CheckMsgRange(WM_KEYFIRST, WM_KEYLAST,
wMsgFilterMin, wMsgFilterMax) == FALSE) {
fsWakeMask &= ~QS_KEY;
}
/*
* Check for paint messages.
*/
if (CheckMsgFilter(WM_PAINT, wMsgFilterMin, wMsgFilterMax) == FALSE) {
fsWakeMask &= ~QS_PAINT;
}
/*
* Check for timer messages.
*/
if ((CheckMsgFilter(WM_TIMER, wMsgFilterMin, wMsgFilterMax) == FALSE) &&
(CheckMsgFilter(WM_SYSTIMER,
wMsgFilterMin, wMsgFilterMax) == FALSE)) {
fsWakeMask &= ~QS_TIMER;
}
/*
* Check also for WM_QUEUESYNC which maps to all input bits.
* This was added for CBT/EXCEL processing. Without it, a
* xxxPeekMessage(.... WM_QUEUESYNC, WM_QUEUESYNC, FALSE) would
* not see the message. (bobgu 4/7/87)
*/
if (wMsgFilterMin == WM_QUEUESYNC) {
fsWakeMask |= QS_INPUT;
}
return fsWakeMask;
}
UINT CalcWakeMask(
UINT wMsgFilterMin,
UINT wMsgFilterMax,
UINT fsWakeMaskFilter)
{
UINT fsWakeMask;
/*
* New for NT5: wake mask filter.
* In addition to the message filter, the application can also provide
* a wake mask directly.
* If none is provided, default to NT4 mask (plus QS_SENDMESSAGE).
*/
if (fsWakeMaskFilter == 0) {
fsWakeMask = (QS_ALLINPUT | QS_EVENT | QS_ALLPOSTMESSAGE);
} else {
/*
* If the caller wants input, we force all input events. The
* same goes for posted messages. We do this to keep NT4
* compatibility as much as possible.
*/
if (fsWakeMaskFilter & QS_INPUT) {
fsWakeMaskFilter |= (QS_INPUT | QS_EVENT);
}
if (fsWakeMaskFilter & (QS_POSTMESSAGE | QS_TIMER | QS_HOTKEY)) {
fsWakeMaskFilter |= (QS_POSTMESSAGE | QS_TIMER | QS_HOTKEY);
}
fsWakeMask = fsWakeMaskFilter;
}
#ifndef _USERK_
/*
* The client PeekMessage in client\cltxt.h didn't used to
* call CalcWakeMask if wMsgFilterMax was 0. We call it now
* to take care of fsWakeMaskFilter but still bail before
* messing with the message filter.
*/
if (wMsgFilterMax == 0) {
return fsWakeMask;
}
#endif
/*
* Message filter.
* If the filter doesn't match certain ranges, we take out bits one by one.
* First check for a 0, 0 filter which means we want all input.
*/
if (wMsgFilterMin == 0 && wMsgFilterMax == ((UINT)-1)) {
return fsWakeMask;
}
/*
* We're not looking at all posted messages.
*/
fsWakeMask &= ~QS_ALLPOSTMESSAGE;
/*
* Check for mouse move messages.
*/
if ((CheckMsgFilter(WM_NCMOUSEMOVE, wMsgFilterMin, wMsgFilterMax) == FALSE) &&
(CheckMsgFilter(WM_MOUSEMOVE, wMsgFilterMin, wMsgFilterMax) == FALSE)) {
fsWakeMask &= ~QS_MOUSEMOVE;
}
/*
* First check to see if mouse buttons messages are in the filter range.
*/
if ((CheckMsgRange(WM_NCLBUTTONDOWN, WM_NCMBUTTONDBLCLK, wMsgFilterMin,
wMsgFilterMax) == FALSE) && (CheckMsgRange(WM_MOUSEFIRST + 1,
WM_MOUSELAST, wMsgFilterMin, wMsgFilterMax) == FALSE)) {
fsWakeMask &= ~QS_MOUSEBUTTON;
}
/*
* Check for key messages.
*/
if (CheckMsgRange(WM_KEYFIRST, WM_KEYLAST,
wMsgFilterMin, wMsgFilterMax) == FALSE) {
fsWakeMask &= ~QS_KEY;
}
/*
* Check for paint messages.
*/
if (CheckMsgFilter(WM_PAINT, wMsgFilterMin, wMsgFilterMax) == FALSE) {
fsWakeMask &= ~QS_PAINT;
}
/*
* Check for timer messages.
*/
if ((CheckMsgFilter(WM_TIMER, wMsgFilterMin, wMsgFilterMax) == FALSE) &&
(CheckMsgFilter(WM_SYSTIMER,
wMsgFilterMin, wMsgFilterMax) == FALSE)) {
fsWakeMask &= ~QS_TIMER;
}
/*
* Check also for WM_QUEUESYNC which maps to all input bits.
* This was added for CBT/EXCEL processing. Without it, a
* xxxPeekMessage(.... WM_QUEUESYNC, WM_QUEUESYNC, FALSE) would
* not see the message. (bobgu 4/7/87)
* Since the user can provide a wake mask now (fsWakeMaskFilter),
* we also add QS_EVENT in this case (it was always set on NT4).
*/
if (wMsgFilterMin == WM_QUEUESYNC) {
fsWakeMask |= (QS_INPUT | QS_EVENT);
}
return fsWakeMask;
}