HWND uFindParentPopup(HWND wnd_child)
{
HWND wnd_temp = _GetParent(wnd_child);
while (wnd_temp && (GetWindowLong(wnd_temp, GWL_EXSTYLE) & WS_EX_CONTROLPARENT))
{
if (GetWindowLong(wnd_temp, GWL_STYLE) & WS_POPUP) break;
else wnd_temp = _GetParent(wnd_temp);
}
return wnd_temp;
}
/*****************************************************************************\
* 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;
}
//----移动窗口------------------------------------------------------------------
//描述: 移动一个窗口位置,包括子窗口.该函数为内部调用.非线程安全.
//参数：hwnd:窗口句柄.
// x,y: 相对于父窗口客户区坐标位置.
//返回：无.
//------------------------------------------------------------------------------
static void _MoveWindow(HWND hwnd,int x,int y)
{
HWND hParent;
POINT pt;
if(hwnd == HWND_Desktop)
{//桌面不允许移动
return;
}
pt.x =x;
pt.y =y;
hParent =_GetParent(hwnd);
if(NULL!=hParent)
{
_ClientToScreen(hParent,&pt,1);
}
x = pt.x - hwnd->WinRect.left;
y = pt.y - hwnd->WinRect.top;
_OffsetWindow(hwnd,x,y);
}
void CScrollButtonWindow::_OnTimer()
{
POINT pt = {0, 0};
CScrollBarWindow* pParent = (CScrollBarWindow*)_GetParent(); // more secure w/ dynamic_cast
if (pParent == nullptr)
{
return;
}
// start another faster timer
_StartTimer(_GetScrollSpeed());
GetCursorPos(&pt);
MapWindowPoints(HWND_DESKTOP, pParent->_GetWnd(), &pt, 1);
RECT rc = {0, 0, 0, 0};
_GetClientRect(&rc);
if (PtInRect(&rc, pt))
{
switch (subTypeOfControl)
{
case DFCS_SCROLLDOWN:
_NotifyCommand(WM_VSCROLL, SB_LINEDOWN, 0);
pParent->_ShiftLine(+1, FALSE);
break;
case DFCS_SCROLLUP:
_NotifyCommand(WM_VSCROLL, SB_LINEUP, 0);
pParent->_ShiftLine(-1, FALSE);
break;
}
}
}
//----获得父窗口-----------------------------------------------------------------
//描述: 略
//参数：hwnd:窗口句柄
//返回：父窗口句柄.
//------------------------------------------------------------------------------
HWND GetParent(HWND hwnd)
{
HWND wnd=NULL;
if(HWND_Lock(hwnd))
{
wnd= _GetParent(hwnd);
HWND_Unlock(hwnd);
}
return wnd;
}
void CScrollBarWindow::_AdjustWindowPos()
{
if (!IsWindow(_GetWnd()))
{
return;
}
RECT rc = {0, 0, 0, 0};
CBaseWindow* pParent = _GetParent();
if (pParent == nullptr)
{
return;
}
GetWindowRect(pParent->_GetWnd(), &rc);
SetWindowPos(_GetWnd(), pParent->_GetWnd(),
rc.left,
rc.top,
rc.right - rc.left,
rc.bottom - rc.top,
SWP_NOOWNERZORDER | SWP_NOACTIVATE);
}
void CScrollButtonWindow::_OnLButtonDown(POINT pt)
{
CButtonWindow::_OnLButtonDown(pt);
CScrollBarWindow* pParent = (CScrollBarWindow*)_GetParent(); // more secure w/ dynamic_cast
if (pParent == nullptr)
{
return;
}
switch (subTypeOfControl)
{
case DFCS_SCROLLDOWN:
_NotifyCommand(WM_VSCROLL, SB_LINEDOWN, 0);
pParent->_ShiftLine(+1, FALSE);
break;
case DFCS_SCROLLUP:
_NotifyCommand(WM_VSCROLL, SB_LINEUP, 0);
pParent->_ShiftLine(-1, FALSE);
break;
}
_StartTimer(_GetScrollDelay());
}
/*
* Modal loop for when the user has selected the help icon from the titlebar
*
*/
VOID xxxHelpLoop(PWND pwnd)
{
HWND hwndChild;
PWND pwndChild;
PWND pwndControl;
MSG msg;
RECT rc;
int cBorders;
PTHREADINFO ptiCurrent = PtiCurrent();
DLGENUMDATA DlgEnumData;
TL tlpwndChild;
CheckLock(pwnd);
UserAssert(IsWinEventNotifyDeferredOK());
if (FWINABLE()) {
xxxWindowEvent(EVENT_SYSTEM_CONTEXTHELPSTART, pwnd, OBJID_WINDOW,
INDEXID_CONTAINER, 0);
}
zzzSetCursor(SYSCUR(HELP));
xxxCapture(ptiCurrent, pwnd, SCREEN_CAPTURE);
cBorders = GetWindowBorders(pwnd->style, pwnd->ExStyle, TRUE, FALSE);
CopyInflateRect(&rc, &pwnd->rcWindow, -cBorders * SYSMET(CXBORDER), -cBorders * SYSMET(CYBORDER));
while (ptiCurrent->pq->spwndCapture == pwnd) {
if (!xxxPeekMessage(&msg, NULL, 0, 0, PM_NOYIELD | PM_NOREMOVE)) {
xxxWaitMessage();
continue;
}
if (msg.message == WM_NCLBUTTONDOWN) {
break;
} else if (msg.message == WM_LBUTTONDOWN) {
/*
* If user clicked outside of window client, bail out now.
*/
if (!PtInRect(&rc, msg.pt))
break;
/*
* WindowHitTest() won't return a static control's handle
*/
hwndChild = xxxWindowHitTest(pwnd, msg.pt, NULL, 0);
pwndChild = ValidateHwnd( hwndChild );
ThreadLock(pwndChild, &tlpwndChild);
if (pwndChild && FIsParentDude(pwndChild))
{
/*
* If this is a dialog class, then one of three things has
* happened:
*
* o This is a static text control
* o This is the background of the dialog box.
*
* What we do is enumerate the child windows and see if
* any of them contain the current cursor point. If they do,
* change our window handle and continue on. Otherwise,
* return doing nothing -- we don't want context-sensitive
* help for a dialog background.
*
* If this is a group box, then we might have clicked on a
* disabled control, so we enumerate child windows to see
* if we get another control.
*/
/*
* We're enumerating a dialog's children. So, if we don't
* find any matches, hwndChild will be NULL and the check
* below will drop out.
*/
DlgEnumData.pwndDialog = pwndChild;
DlgEnumData.pwndControl = NULL;
DlgEnumData.ptCurHelp = msg.pt;
xxxInternalEnumWindow(pwndChild, EnumPwndDlgChildProc, (LPARAM)&DlgEnumData, BWL_ENUMCHILDREN);
pwndControl = DlgEnumData.pwndControl;
} else {
pwndControl = pwndChild;
}
/*
* If we click on nothing, just exit.
*/
if (pwndControl == pwnd) {
pwndControl = NULL;
}
/*
* HACK ALERT (Visual Basic 4.0) - they have their own non-window
* based controls that draw directly on the main dialog. In order
* to provide help for these controls, we pass along the WM_HELP
* message iff the main dialog has a context id assigned.
*
* If the top level window has its own context help ID,
* then pass it in the context help message.
*/
if (!pwndControl) {
if (_GetProp(pwnd, MAKEINTATOM(gpsi->atomContextHelpIdProp), TRUE))
pwndControl = pwnd;
}
if (pwndControl) {
PWND pwndSend;
int id;
TL tlpwndSend;
TL tlpwndControl;
ThreadLockAlways(pwndControl, &tlpwndControl);
zzzSetCursor(SYSCUR(ARROW));
xxxReleaseCapture();
xxxRedrawTitle(pwnd, DC_BUTTONS);
ClrWF(pwnd, WFHELPBUTTONDOWN);
xxxGetMessage(&msg, NULL, 0, 0);
if (FWINABLE()) {
xxxWindowEvent(EVENT_OBJECT_STATECHANGE, pwnd, OBJID_TITLEBAR,
INDEX_TITLEBAR_HELPBUTTON, FALSE);
xxxWindowEvent(EVENT_SYSTEM_CONTEXTHELPEND, pwnd, OBJID_WINDOW,
INDEXID_CONTAINER, FALSE);
}
/*
* Determine the ID of the control
* We used to always sign extend, but Win98 doesn't do that
* so we only sign extend 0xffff. MCostea #218711
*/
if (TestwndChild(pwndControl)) {
id = PTR_TO_ID(pwndControl->spmenu);
if (id == 0xffff) {
id = -1;
}
} else {
id = -1;
}
/*
* Disabled controls and static controls won't pass this
* on to their parent, so instead, we send the message to
* their parent.
*/
if (TestWF(pwndControl, WFDISABLED)) {
PWND pwndParent = _GetParent(pwndControl);
if (!pwndParent)
{
ThreadUnlock( &tlpwndControl );
ThreadUnlock( &tlpwndChild );
return;
}
pwndSend = pwndParent;
} else {
pwndSend = pwndControl;
}
ThreadLockAlways(pwndSend, &tlpwndSend);
xxxSendHelpMessage( pwndSend, HELPINFO_WINDOW, id,
(HANDLE)HWq(pwndControl), GetContextHelpId(pwndControl));
ThreadUnlock(&tlpwndSend);
ThreadUnlock(&tlpwndControl);
ThreadUnlock(&tlpwndChild);
return;
}
ThreadUnlock(&tlpwndChild);
break;
}
else if ((msg.message == WM_RBUTTONDOWN) ||
(msg.message == WM_MBUTTONDOWN) ||
(msg.message == WM_XBUTTONDOWN)) {
/*
* fix bug 29852; break the loop for right and middle buttons
* and pass along the messages to the control
*/
break;
}
else if (msg.message == WM_MOUSEMOVE) {
if (PtInRect(&rc, msg.pt))
zzzSetCursor(SYSCUR(HELP));
else
zzzSetCursor(SYSCUR(ARROW));
}
else if (msg.message == WM_KEYDOWN && msg.wParam == VK_ESCAPE)
{
xxxGetMessage( &msg, NULL, 0, 0 );
break;
}
xxxGetMessage(&msg, NULL, 0, 0);
xxxTranslateMessage(&msg, 0);
xxxDispatchMessage(&msg);
}
xxxReleaseCapture();
zzzSetCursor(SYSCUR(ARROW));
xxxRedrawTitle(pwnd, DC_BUTTONS);
ClrWF(pwnd, WFHELPBUTTONDOWN);
if (FWINABLE()) {
xxxWindowEvent(EVENT_OBJECT_STATECHANGE, pwnd, OBJID_TITLEBAR,
INDEX_TITLEBAR_HELPBUTTON, 0);
xxxWindowEvent(EVENT_SYSTEM_CONTEXTHELPEND, pwnd, OBJID_WINDOW,
INDEXID_CONTAINER, 0);
}
}
