DWORD FASTCALL
GetNCHitEx(PWND pWnd, POINT pt)
{
RECT rcWindow, rcClient;
DWORD Style, ExStyle;
if (!pWnd) return HTNOWHERE;
if (pWnd == UserGetDesktopWindow()) // pWnd->fnid == FNID_DESKTOP)
{
rcClient.left = rcClient.top = rcWindow.left = rcWindow.top = 0;
rcWindow.right = UserGetSystemMetrics(SM_CXSCREEN);
rcWindow.bottom = UserGetSystemMetrics(SM_CYSCREEN);
rcClient.right = UserGetSystemMetrics(SM_CXSCREEN);
rcClient.bottom = UserGetSystemMetrics(SM_CYSCREEN);
}
else
{
rcClient = pWnd->rcClient;
rcWindow = pWnd->rcWindow;
}
if (!RECTL_bPointInRect(&rcWindow, pt.x, pt.y)) return HTNOWHERE;
Style = pWnd->style;
ExStyle = pWnd->ExStyle;
if (Style & WS_MINIMIZE) return HTCAPTION;
if (RECTL_bPointInRect( &rcClient, pt.x, pt.y )) return HTCLIENT;
/* Check borders */
if (HAS_THICKFRAME( Style, ExStyle ))
{
RECTL_vInflateRect(&rcWindow, -UserGetSystemMetrics(SM_CXFRAME), -UserGetSystemMetrics(SM_CYFRAME) );
if (!RECTL_bPointInRect(&rcWindow, pt.x, pt.y ))
{
/* Check top sizing border */
if (pt.y < rcWindow.top)
{
if (pt.x < rcWindow.left+UserGetSystemMetrics(SM_CXSIZE)) return HTTOPLEFT;
if (pt.x >= rcWindow.right-UserGetSystemMetrics(SM_CXSIZE)) return HTTOPRIGHT;
return HTTOP;
}
/* Check bottom sizing border */
if (pt.y >= rcWindow.bottom)
{
if (pt.x < rcWindow.left+UserGetSystemMetrics(SM_CXSIZE)) return HTBOTTOMLEFT;
if (pt.x >= rcWindow.right-UserGetSystemMetrics(SM_CXSIZE)) return HTBOTTOMRIGHT;
return HTBOTTOM;
}
/* Check left sizing border */
if (pt.x < rcWindow.left)
{
if (pt.y < rcWindow.top+UserGetSystemMetrics(SM_CYSIZE)) return HTTOPLEFT;
if (pt.y >= rcWindow.bottom-UserGetSystemMetrics(SM_CYSIZE)) return HTBOTTOMLEFT;
return HTLEFT;
}
/* Check right sizing border */
if (pt.x >= rcWindow.right)
{
if (pt.y < rcWindow.top+UserGetSystemMetrics(SM_CYSIZE)) return HTTOPRIGHT;
if (pt.y >= rcWindow.bottom-UserGetSystemMetrics(SM_CYSIZE)) return HTBOTTOMRIGHT;
return HTRIGHT;
}
}
}
else /* No thick frame */
{
if (HAS_DLGFRAME( Style, ExStyle ))
RECTL_vInflateRect(&rcWindow, -UserGetSystemMetrics(SM_CXDLGFRAME), -UserGetSystemMetrics(SM_CYDLGFRAME));
else if (HAS_THINFRAME( Style, ExStyle ))
RECTL_vInflateRect(&rcWindow, -UserGetSystemMetrics(SM_CXBORDER), -UserGetSystemMetrics(SM_CYBORDER));
if (!RECTL_bPointInRect( &rcWindow, pt.x, pt.y )) return HTBORDER;
}
/* Check caption */
if ((Style & WS_CAPTION) == WS_CAPTION)
{
if (ExStyle & WS_EX_TOOLWINDOW)
rcWindow.top += UserGetSystemMetrics(SM_CYSMCAPTION) - 1;
else
rcWindow.top += UserGetSystemMetrics(SM_CYCAPTION) - 1;
if (!RECTL_bPointInRect( &rcWindow, pt.x, pt.y ))
{
BOOL min_or_max_box = (Style & WS_SYSMENU) && (Style & (WS_MINIMIZEBOX|WS_MAXIMIZEBOX));
if (ExStyle & WS_EX_LAYOUTRTL)
{
/* Check system menu */
if ((Style & WS_SYSMENU) && !(ExStyle & WS_EX_TOOLWINDOW) && NC_IconForWindow(pWnd))
{
rcWindow.right -= UserGetSystemMetrics(SM_CYCAPTION) - 1;
if (pt.x > rcWindow.right) return HTSYSMENU;
}
/* Check close button */
if (Style & WS_SYSMENU)
{
rcWindow.left += UserGetSystemMetrics(SM_CYCAPTION);
if (pt.x < rcWindow.left) return HTCLOSE;
}
/* Check maximize box */
/* In Win95 there is automatically a Maximize button when there is a minimize one */
if (min_or_max_box && !(ExStyle & WS_EX_TOOLWINDOW))
{
rcWindow.left += UserGetSystemMetrics(SM_CXSIZE);
if (pt.x < rcWindow.left) return HTMAXBUTTON;
}
/* Check minimize box */
if (min_or_max_box && !(ExStyle & WS_EX_TOOLWINDOW))
{
rcWindow.left += UserGetSystemMetrics(SM_CXSIZE);
if (pt.x < rcWindow.left) return HTMINBUTTON;
}
}
else
{
/* Check system menu */
if ((Style & WS_SYSMENU) && !(ExStyle & WS_EX_TOOLWINDOW) && NC_IconForWindow(pWnd))
{
rcWindow.left += UserGetSystemMetrics(SM_CYCAPTION) - 1;
if (pt.x < rcWindow.left) return HTSYSMENU;
}
/* Check close button */
if (Style & WS_SYSMENU)
{
rcWindow.right -= UserGetSystemMetrics(SM_CYCAPTION);
if (pt.x > rcWindow.right) return HTCLOSE;
}
/* Check maximize box */
/* In Win95 there is automatically a Maximize button when there is a minimize one */
if (min_or_max_box && !(ExStyle & WS_EX_TOOLWINDOW))
{
rcWindow.right -= UserGetSystemMetrics(SM_CXSIZE);
if (pt.x > rcWindow.right) return HTMAXBUTTON;
}
/* Check minimize box */
if (min_or_max_box && !(ExStyle & WS_EX_TOOLWINDOW))
{
rcWindow.right -= UserGetSystemMetrics(SM_CXSIZE);
if (pt.x > rcWindow.right) return HTMINBUTTON;
}
}
return HTCAPTION;
}
}
/* Check menu bar */
if (HAS_MENU( pWnd, Style ) && (pt.y < rcClient.top) &&
(pt.x >= rcClient.left) && (pt.x < rcClient.right))
return HTMENU;
/* Check vertical scroll bar */
if (ExStyle & WS_EX_LAYOUTRTL) ExStyle ^= WS_EX_LEFTSCROLLBAR;
if (Style & WS_VSCROLL)
{
if((ExStyle & WS_EX_LEFTSCROLLBAR) != 0)
rcClient.left -= UserGetSystemMetrics(SM_CXVSCROLL);
else
rcClient.right += UserGetSystemMetrics(SM_CXVSCROLL);
if (RECTL_bPointInRect( &rcClient, pt.x, pt.y )) return HTVSCROLL;
}
/* Check horizontal scroll bar */
if (Style & WS_HSCROLL)
{
rcClient.bottom += UserGetSystemMetrics(SM_CYHSCROLL);
if (RECTL_bPointInRect( &rcClient, pt.x, pt.y ))
{
/* Check size box */
if ((Style & WS_VSCROLL) &&
((((ExStyle & WS_EX_LEFTSCROLLBAR) != 0) && (pt.x <= rcClient.left + UserGetSystemMetrics(SM_CXVSCROLL))) ||
(((ExStyle & WS_EX_LEFTSCROLLBAR) == 0) && (pt.x >= rcClient.right - UserGetSystemMetrics(SM_CXVSCROLL)))))
return HTSIZE;
return HTHSCROLL;
}
}
/* Has to return HTNOWHERE if nothing was found
Could happen when a window has a customized non client area */
return HTNOWHERE;
}
//
// Process win32k system timers.
//
VOID
CALLBACK
SystemTimerProc(HWND hwnd,
UINT uMsg,
UINT_PTR idEvent,
DWORD dwTime)
{
PDESKTOP pDesk;
PWND pWnd = NULL;
if (hwnd)
{
pWnd = UserGetWindowObject(hwnd);
if (!pWnd)
{
ERR( "System Timer Proc has invalid window handle! 0x%x Id: %d\n", hwnd, idEvent);
return;
}
}
else
{
TRACE( "Windowless Timer Running!\n" );
return;
}
switch (idEvent)
{
/*
Used in NtUserTrackMouseEvent.
*/
case ID_EVENT_SYSTIMER_MOUSEHOVER:
{
POINT Point;
UINT Msg;
WPARAM wParam;
pDesk = pWnd->head.rpdesk;
if ( pDesk->dwDTFlags & DF_TME_HOVER &&
pWnd == pDesk->spwndTrack )
{
Point = gpsi->ptCursor;
if ( RECTL_bPointInRect(&pDesk->rcMouseHover, Point.x, Point.y) )
{
if (pDesk->htEx == HTCLIENT) // In a client area.
{
wParam = get_key_state();
Msg = WM_MOUSEHOVER;
if (pWnd->ExStyle & WS_EX_LAYOUTRTL)
{
Point.x = pWnd->rcClient.right - Point.x - 1;
}
else
Point.x -= pWnd->rcClient.left;
Point.y -= pWnd->rcClient.top;
}
else
{
wParam = pDesk->htEx; // Need to support all HTXYZ hits.
Msg = WM_NCMOUSEHOVER;
}
UserPostMessage(hwnd, Msg, wParam, MAKELPARAM(Point.x, Point.y));
pDesk->dwDTFlags &= ~DF_TME_HOVER;
break; // Kill this timer.
}
}
}
return; // Not this window so just return.
default:
ERR( "System Timer Proc invalid id %d!\n", idEvent );
break;
}
IntKillTimer(pWnd, idEvent, TRUE);
}