/*****************************************************************************\
* GetAncestor()
*
* This gets one of:
* * The _real_ parent. This does NOT include the owner, unlike
* GetParent(). Stops at a top level window unless we start with
* the desktop. In which case, we return the desktop.
* * The _real_ root, caused by walking up the chain getting the
* ancestor.
* * The _real_ owned root, caused by GetParent()ing up.
\*****************************************************************************/
PWND WINAPI
_GetAncestor(PWND pwnd, UINT gaFlags)
{
PWND pwndParent;
/*
* If we start with the desktop return NULL.
*/
if (pwnd == PWNDDESKTOP(pwnd))
return NULL;
switch (gaFlags) {
case GA_PARENT:
pwnd = pwnd->spwndParent;
break;
case GA_ROOT:
while ((pwnd->spwndParent != PWNDDESKTOP(pwnd)) &&
(pwnd->spwndParent != PWNDMESSAGE(pwnd))) {
pwnd = pwnd->spwndParent;
}
break;
case GA_ROOTOWNER:
while (pwndParent = _GetParent(pwnd)) {
pwnd = pwndParent;
}
break;
}
return pwnd;
}
/*****************************************************************************\
*
* RealChildWindowFromPoint()
*
* This returns the REAL child window at a point. The problem is that
* ChildWindowFromPoint() doesn't deal with HTTRANSPARENT areas of
* standard controls. We want to return a child behind a groupbox if it
* is in the "clear" area. But we want to return a static field always
* even though it too returns HTTRANSPARENT.
*
\*****************************************************************************/
PWND WINAPI
_RealChildWindowFromPoint(PWND pwndParent, POINT pt)
{
PWND pwndChild;
PWND pwndSave;
if (pwndParent != PWNDDESKTOP(pwndParent)) {
pt.x += pwndParent->rcClient.left;
pt.y += pwndParent->rcClient.top;
}
/*
* Is this point even in the parent?
*/
if (!PtInRect(&pwndParent->rcClient, pt) ||
(pwndParent->hrgnClip && !GrePtInRegion(pwndParent->hrgnClip, pt.x, pt.y))) {
// Nope
return NULL;
}
pwndSave = NULL;
/*
* Loop through the children.
*/
for (pwndChild = pwndParent->spwndChild; pwndChild; pwndChild = pwndChild->spwndNext) {
if (!TestWF(pwndChild, WFVISIBLE))
continue;
/*
* Is this point in the child's window?
*/
if (!PtInRect(&pwndChild->rcWindow, pt) ||
(pwndChild->hrgnClip && !GrePtInRegion(pwndChild->hrgnClip, pt.x, pt.y)))
continue;
/*
* OK, we are in somebody's window. Is this by chance a group box?
*/
if ((pwndChild->pcls->atomClassName == gpsi->atomSysClass[ICLS_BUTTON]) ||
(GETFNID(pwndChild) == FNID_BUTTON)) {
if (TestWF(pwndChild, BFTYPEMASK) == LOBYTE(BS_GROUPBOX)) {
pwndSave = pwndChild;
continue;
}
}
return pwndChild;
}
/*
* Did we save a groupbox which turned out to have nothing behind it
* at that point?
*/
if (pwndSave) {
return pwndSave;
} else {
return pwndParent;
}
}
BOOL xxxPaintRect(
PWND pwndBrush,
PWND pwndPaint,
HDC hdc,
HBRUSH hbr,
LPRECT lprc)
{
POINT ptOrg;
CheckLock(pwndBrush);
CheckLock(pwndPaint);
if (pwndBrush == NULL) {
pwndBrush = PtiCurrent()->rpdesk->pDeskInfo->spwnd;
}
if (pwndBrush == PWNDDESKTOP(pwndBrush)) {
GreSetBrushOrg(
hdc,
0,
0,
&ptOrg);
} else {
GreSetBrushOrg(
hdc,
pwndBrush->rcClient.left - pwndPaint->rcClient.left,
pwndBrush->rcClient.top - pwndPaint->rcClient.top,
&ptOrg);
}
/*
* If hbr < CTLCOLOR_MAX, it isn't really a brush but is one of our
* special color values. Translate it to the appropriate WM_CTLCOLOR
* message and send it off to get back a real brush. The translation
* process assumes the CTLCOLOR*** and WM_CTLCOLOR*** values map directly.
*/
if (hbr < (HBRUSH)CTLCOLOR_MAX) {
hbr = xxxGetControlColor(pwndBrush,
pwndPaint,
hdc,
HandleToUlong(hbr) + WM_CTLCOLORMSGBOX);
}
FillRect(hdc, lprc, hbr);
GreSetBrushOrg(hdc, ptOrg.x, ptOrg.y, NULL);
return TRUE;
}
void xxxTooltipHandleTimer(PTOOLTIPWND pttwnd, UINT uTID)
{
switch(uTID) {
case TTT_SHOW: {
/*
* Move the tooltip window to the desktop so it can
* be shown. Then show it.
*/
PWND pwndDesktop = PWNDDESKTOP(pttwnd);
TL tlpwnd;
ThreadLockAlways(pwndDesktop, &tlpwnd);
xxxSetParent((PWND)pttwnd, pwndDesktop);
ThreadUnlock(&tlpwnd);
xxxShowTooltip(pttwnd);
break;
}
case TTT_ANIMATE:
/*
* If animation is completed, set timer to hide
*/
if (TooltipAnimate(pttwnd)) {
SetTooltipTimer(pttwnd, TTT_HIDE, pttwnd->dwHideDelay);
}
break;
case TTT_HIDE:
/*
* Hide it
*/
xxxResetTooltip(pttwnd);
break;
}
}
void xxxShowOwnedWindows(
PWND pwndOwner,
UINT cmdShow)
{
BOOL fShow;
int cmdZoom;
HWND *phwnd;
PBWL pbwl;
PWND pwnd, pwndTopOwner;
TL tlpwnd;
CheckLock(pwndOwner);
/*
* Not interested in child windows
*/
if (TestwndChild(pwndOwner))
return;
if ((pbwl = BuildHwndList(PWNDDESKTOP(pwndOwner)->spwndChild, BWL_ENUMLIST, NULL)) == NULL)
return;
/*
* NOTE: The following code assumes the values of SW_* are 1, 2, 3, and 4
*/
fShow = (cmdShow >= SW_PARENTOPENING);
cmdZoom = 0;
if (cmdShow == SW_OTHERZOOM)
cmdZoom = SIZEZOOMHIDE;
if (cmdShow == SW_OTHERUNZOOM)
cmdZoom = SIZEZOOMSHOW;
/*
* If zoom/unzoom, then open/close all popups owned by all other
* windows. Otherwise, open/close popups owned by pwndOwner.
*/
for (phwnd = pbwl->rghwnd; *phwnd != (HWND)1; phwnd++) {
/*
* Lock the window before we play with it.
* If the window handle is invalid, skip it
*/
if ((pwnd = RevalidateHwnd(*phwnd)) == NULL)
continue;
/*
* Kanji windows can't be owned, so skip it.
*/
if (TestCF(pwnd, CFKANJIWINDOW))
continue;
/*
* If same as window passed in, skip it.
*/
if (pwnd == pwndOwner)
continue;
/*
* Find ultimate owner of popup, but only go up as far as pwndOwner.
*/
if ((pwndTopOwner = pwnd->spwndOwner) != NULL) {
/*
* The TestwndHI is needed since if it has an icon, pwndOwner
* is invalid.
*/
while (!TestwndHI(pwndTopOwner) && pwndTopOwner != pwndOwner &&
pwndTopOwner->spwndOwner != NULL)
pwndTopOwner = pwndTopOwner->spwndOwner;
}
/*
* Zoom/Unzoom case.
*/
if (cmdZoom != 0) {
/*
* If no parent, or parents are the same, skip.
*/
if (pwndTopOwner == NULL || pwndTopOwner == pwndOwner)
continue;
/*
* If owner is iconic, then this window should stay hidden,
* UNLESS the minimized window is disabled, in which case we'd
* better show the window.
*/
if ( cmdShow == SW_OTHERUNZOOM
&& pwndTopOwner != NULL
&& TestWF(pwndTopOwner, WFMINIMIZED)
&& !TestWF(pwndTopOwner, WFDISABLED)
)
continue;
} else {
/*
* Hide/Iconize/Show/Open case.
*/
/*
* If parents aren't the same, skip.
*/
if (pwndTopOwner != pwndOwner)
continue;
}
/*
* Hide or show if:
* Showing & this is a hidden popup
* OR
* Hiding & this is a visible window
*/
if ((fShow && TestWF(pwnd, WFHIDDENPOPUP)) ||
(!fShow && TestWF(pwnd, WFVISIBLE))) {
ThreadLockAlways(pwnd, &tlpwnd);
xxxSendMessage(pwnd, WM_SHOWWINDOW, fShow, (LONG)cmdShow);
ThreadUnlock(&tlpwnd);
}
}
/*
* Free the window list.
*/
FreeHwndList(pbwl);
}
VOID DoQueuedSyncPaint(
PWND pwnd,
DWORD flags,
PTHREADINFO pti)
{
PTHREADINFO ptiPwnd = GETPTI(pwnd);
if ((ptiPwnd != pti) &&
TestWF(pwnd, WFSENDNCPAINT) &&
TestWF(pwnd, WFSENDERASEBKGND) &&
TestWF(pwnd, WFVISIBLE)) {
PSMS psms = ptiPwnd->psmsReceiveList;
/*
* If this window already has a WM_SYNCPAINT queue'd up, then there's
* no need to send another one. Also protects our heap from getting
* chewed up.
*/
while (psms != NULL) {
if ((psms->message == WM_SYNCPAINT) && (psms->spwnd == pwnd)) {
break;
}
psms = psms->psmsReceiveNext;
}
if (psms == NULL) {
/*
* This will give this message the semantics of a notify
* message (sendmessage no wait), without calling back
* the WH_CALLWNDPROC hook. We don't want to do that
* because that'll let all these processes with invalid
* windows to process paint messages before they process
* "synchronous" erasing or framing needs.
*
* Hi word of wParam must be zero or wow will drop it
*
* LATER mikeke
* Do we need to send down the flags with DWP_ERASE and DSP_FRAME
* in it?
*/
UserAssert(HIWORD(flags) == 0);
QueueNotifyMessage(pwnd, WM_SYNCPAINT, flags, 0);
/*
* Set our syncpaint-pending flag, since we queued one up. This
* will be used to check when we validate-parents for windows
* without clipchildren.
*/
SetWF(pwnd, WFSYNCPAINTPENDING);
}
/*
* If we posted a WM_SYNCPAINT for a top-level window that is not
* of the current thread we're done; we'll pick up the children
* when we process the message for real. If we're the desktop
* however make sure we get all it children.
*/
if (pwnd != PWNDDESKTOP(pwnd))
return;
}
/*
* Normally we like to enumerate all of this window's children and have
* them erase their backgrounds synchronously. However, this is a bad
* thing to do if the window is NOT CLIPCHLIDREN. Here's the scenario
* we want to to avoid:
*
* 1. Window 'A' is invalidated
* 2. 'A' erases itself (or not, doesn't matter)
* 3. 'A's children are enumerated and they erase themselves.
* 4. 'A' paints over its children (remember, 'A' isn't CLIPCHILDREN)
* 5. 'A's children paint but their backgrounds aren't their ERASEBKND
* color (because 'A' painted over them) and everything looks like
* dirt.
*/
if ((flags & DSP_ALLCHILDREN) ||
((flags & DSP_ENUMCLIPPEDCHILDREN) && TestWF(pwnd, WFCLIPCHILDREN))) {
PWND pwndT;
for (pwndT = pwnd->spwndChild; pwndT; pwndT = pwndT->spwndNext) {
/*
* Don't cause any more intertask sendmessages cause it does
* bad things to cbt's windowproc hooks. (Due to SetParent
* allowing child windows in the topwindow hierarchy.
* The child bit also catches the desktop window; we want to
*/
if (TestWF(pwndT, WFCHILD) && (pti != GETPTI(pwndT)))
continue;
/*
* Note that we pass only certain bits down as we recurse:
* the other bits pertain to the current window only.
*/
DoQueuedSyncPaint(pwndT, flags, pti);
}
}
}
BOOL xxxSnapWindow(
PWND pwnd)
{
PTHREADINFO ptiCurrent;
RECT rc;
HDC hdcScr = NULL;
HDC hdcMem = NULL;
BOOL fRet;
HBITMAP hbmOld;
HBITMAP hbm;
HANDLE hPal;
LPLOGPALETTE lppal;
int palsize;
int iFixedPaletteEntries;
BOOL fSuccess;
PWND pwndT;
TL tlpwndT;
PWINDOWSTATION pwinsta;
TL tlpwinsta;
CheckLock(pwnd);
UserAssert(pwnd);
ptiCurrent = PtiCurrent();
/*
* If this is a thread of winlogon, don't do the snapshot.
*/
if (GetCurrentProcessId() == gpidLogon)
return FALSE;
/*
* Get the affected windowstation
*/
if (!NT_SUCCESS(ReferenceWindowStation(
PsGetCurrentThread(),
NULL,
WINSTA_READSCREEN,
&pwinsta,
TRUE)) ||
pwinsta->dwWSF_Flags & WSF_NOIO) {
return FALSE;
}
/*
* If the window is on another windowstation, do nothing
*/
if (pwnd->head.rpdesk->rpwinstaParent != pwinsta)
return FALSE;
/*
* Get the parent of any child windows.
*/
while ((pwnd != NULL) && TestWF(pwnd, WFCHILD)) {
pwnd = pwnd->spwndParent;
}
/*
* Lock the windowstation before we leave the critical section
*/
ThreadLockWinSta(ptiCurrent, pwinsta, &tlpwinsta);
/*
* Open the clipboard and empty it.
*
* pwndDesktop is made the owner of the clipboard, instead of the
* currently active window; -- SANKAR -- 20th July, 1989 --
*/
pwndT = ptiCurrent->rpdesk->pDeskInfo->spwnd;
ThreadLockWithPti(ptiCurrent, pwndT, &tlpwndT);
fSuccess = xxxOpenClipboard(pwndT, NULL);
ThreadUnlock(&tlpwndT);
if (!fSuccess) {
ThreadUnlockWinSta(ptiCurrent, &tlpwinsta);
return FALSE;
}
xxxEmptyClipboard(pwinsta);
/*
* Use the whole window.
*/
CopyRect(&rc, &pwnd->rcWindow);
/*
* Only snap what is on the screen.
*/
if (!IntersectRect(&rc, &rc, &gpDispInfo->rcScreen)) {
fRet = FALSE;
goto SnapExit;
}
rc.right -= rc.left;
rc.bottom -= rc.top;
/*
* Figure out how far offset from window origin visible part is
*/
if (pwnd != PWNDDESKTOP(pwnd)) {
rc.left -= pwnd->rcWindow.left;
rc.top -= pwnd->rcWindow.top;
}
/*
* Get the entire window's DC.
*/
hdcScr = _GetWindowDC(pwnd);
if (!hdcScr)
goto MemoryError;
/*
* Create the memory DC.
*/
hdcMem = GreCreateCompatibleDC(hdcScr);
if (!hdcMem)
goto MemoryError;
/*
* Create the destination bitmap. If it fails, then attempt
* to create a monochrome bitmap.
* Did we have enough memory?
*/
if (SYSMET(SAMEDISPLAYFORMAT)) {
hbm = GreCreateCompatibleBitmap(hdcScr, rc.right, rc.bottom);
} else {
hbm = GreCreateBitmap(rc.right, rc.bottom, 1, gpDispInfo->BitCountMax, NULL);
}
if (!hbm) {
hbm = GreCreateBitmap(rc.right, rc.bottom, 1, 1, NULL);
if (!hbm)
goto MemoryError;
}
/*
* Select the bitmap into the memory DC.
*/
hbmOld = GreSelectBitmap(hdcMem, hbm);
/*
* Snap!!!
* Check the return value because the process taking the snapshot
* may not have access to read the screen.
*/
fRet = GreBitBlt(hdcMem, 0, 0, rc.right, rc.bottom, hdcScr, rc.left, rc.top, SRCCOPY | CAPTUREBLT, 0);
/*
* Restore the old bitmap into the memory DC.
*/
GreSelectBitmap(hdcMem, hbmOld);
/*
* If the blt failed, leave now.
*/
if (!fRet)
goto SnapExit;
_SetClipboardData(CF_BITMAP, hbm, FALSE, TRUE);
/*
* If this is a palette device, let's throw the current system palette
* into the clipboard also. Useful if the user just snapped a window
* containing palette colors...
*/
if (TEST_PUSIF(PUSIF_PALETTEDISPLAY)) {
int i;
int iPalSize;
palsize = GreGetDeviceCaps(hdcScr, SIZEPALETTE);
/*
* Determine the number of system colors.
*/
if (GreGetSystemPaletteUse(hdcScr) == SYSPAL_STATIC)
iFixedPaletteEntries = GreGetDeviceCaps(hdcScr, NUMRESERVED);
else
iFixedPaletteEntries = 2;
lppal = (LPLOGPALETTE)UserAllocPoolWithQuota(
(LONG)(sizeof(LOGPALETTE) + sizeof(PALETTEENTRY) * palsize),
TAG_CLIPBOARD);
if (lppal != NULL) {
lppal->palVersion = 0x300;
lppal->palNumEntries = (WORD)palsize;
if (GreGetSystemPaletteEntries(hdcScr,
0,
palsize,
lppal->palPalEntry)) {
iPalSize = palsize - iFixedPaletteEntries / 2;
for (i = iFixedPaletteEntries / 2; i < iPalSize; i++) {
/*
* Any non system palette enteries need to have the NOCOLLAPSE
* flag set otherwise bitmaps containing different palette
* indices but same colors get messed up.
*/
lppal->palPalEntry[i].peFlags = PC_NOCOLLAPSE;
}
if (hPal = GreCreatePalette(lppal))
_SetClipboardData(CF_PALETTE, hPal, FALSE, TRUE);
}
UserFreePool(lppal);
}
}
PlayEventSound(USER_SOUND_SNAPSHOT);
fRet = TRUE;
SnapExit:
/*
* Release the window/client DC.
*/
if (hdcScr) {
_ReleaseDC(hdcScr);
}
xxxCloseClipboard(pwinsta);
Unlock(&pwinsta->spwndClipOwner);
/*
* Delete the memory DC.
*/
if (hdcMem) {
GreDeleteDC(hdcMem);
}
ThreadUnlockWinSta(ptiCurrent, &tlpwinsta);
return fRet;
MemoryError:
/*
* Display an error message box.
*/
ClientNoMemoryPopup();
fRet = FALSE;
goto SnapExit;
}
