winpos.c File Reference

#include <win32k.h>

Include dependency graph for winpos.c:

Go to the source code of this file.

Macros
#define	MINMAX_NOSWP   (0x00010000)
#define	SWP_EX_NOCOPY   0x0001
#define	SWP_EX_PAINTSELF   0x0002
#define	SWP_AGG_NOGEOMETRYCHANGE   (SWP_NOSIZE | SWP_NOCLIENTSIZE | SWP_NOZORDER)
#define	SWP_AGG_NOPOSCHANGE   (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_NOZORDER)
#define	SWP_AGG_STATUSFLAGS   (SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW)
#define	SWP_AGG_NOCLIENTCHANGE   (SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE)
#define	EMPTYPOINT(pt)   ((pt).x == -1 && (pt).y == -1)
#define	PLACE_MIN   0x0001
#define	PLACE_MAX   0x0002
#define	PLACE_RECT   0x0004

Functions
	DBG_DEFAULT_CHANNEL (UserWinpos)
BOOL FASTCALL	IntGetClientOrigin (PWND Window OPTIONAL, LPPOINT Point)
VOID FASTCALL	IntGetClientRect (PWND Wnd, RECTL *Rect)
BOOL FASTCALL	IntGetWindowRect (PWND Wnd, RECTL *Rect)
INT FASTCALL	IntMapWindowPoints (PWND FromWnd, PWND ToWnd, LPPOINT lpPoints, UINT cPoints)
BOOL FASTCALL	IntClientToScreen (PWND Wnd, LPPOINT lpPoint)
BOOL FASTCALL	IntScreenToClient (PWND Wnd, LPPOINT lpPoint)
BOOL FASTCALL	IsChildVisible (PWND pWnd)
PWND FASTCALL	IntGetLastTopMostWindow (VOID)
VOID	SelectWindowRgn (PWND Window, HRGN hRgnClip)
BOOL FASTCALL	ActivateOtherWindowMin (PWND Wnd)
static BOOL FASTCALL	can_activate_window (PWND Wnd OPTIONAL)
VOID FASTCALL	co_WinPosActivateOtherWindow (PWND Wnd)
VOID FASTCALL	WinPosInitInternalPos (PWND Wnd, RECTL *RestoreRect)
BOOL FASTCALL	IntGetWindowPlacement (PWND Wnd, WINDOWPLACEMENT *lpwndpl)
static void	make_rect_onscreen (RECT *rect)
static void	make_point_onscreen (POINT *pt)
BOOL FASTCALL	IntSetWindowPlacement (PWND Wnd, WINDOWPLACEMENT *wpl, UINT Flags)
UINT FASTCALL	co_WinPosArrangeIconicWindows (PWND parent)
static VOID FASTCALL	WinPosFindIconPos (PWND Window, POINT *Pos)
BOOL	UserHasWindowEdge (DWORD Style, DWORD ExStyle)
VOID FASTCALL	IntGetWindowBorderMeasures (PWND Wnd, UINT *cx, UINT *cy)
VOID	UserGetWindowBorders (DWORD Style, DWORD ExStyle, SIZE *Size, BOOL WithClient)
BOOL WINAPI	UserAdjustWindowRectEx (LPRECT lpRect, DWORD dwStyle, BOOL bMenu, DWORD dwExStyle)
UINT FASTCALL	co_WinPosGetMinMaxInfo (PWND Window, POINT *MaxSize, POINT *MaxPos, POINT *MinTrack, POINT *MaxTrack)
static BOOL	IntValidateParent (PWND Child, PREGION ValidateRgn)
static VOID FASTCALL	FixClientRect (PRECTL ClientRect, PRECTL WindowRect)
static VOID FASTCALL	get_valid_rects (RECTL *old_client, RECTL *new_client, UINT flags, RECTL *valid)
static LONG FASTCALL	co_WinPosDoNCCALCSize (PWND Window, PWINDOWPOS WinPos, RECTL *WindowRect, RECTL *ClientRect, RECTL *validRects)
static BOOL FASTCALL	co_WinPosDoWinPosChanging (PWND Window, PWINDOWPOS WinPos, PRECTL WindowRect, PRECTL ClientRect)
static HWND FASTCALL	WinPosDoOwnedPopups (PWND Window, HWND hWndInsertAfter)
static VOID FASTCALL	WinPosInternalMoveWindow (PWND Window, INT MoveX, INT MoveY)
static BOOL FASTCALL	WinPosFixupFlags (WINDOWPOS *WinPos, PWND Wnd)
BOOLEAN FASTCALL	co_WinPosSetWindowPos (PWND Window, HWND WndInsertAfter, INT x, INT y, INT cx, INT cy, UINT flags)
LRESULT FASTCALL	co_WinPosGetNonClientSize (PWND Window, RECT *WindowRect, RECT *ClientRect)
void FASTCALL	co_WinPosSendSizeMove (PWND Wnd)
UINT FASTCALL	co_WinPosMinMaximize (PWND Wnd, UINT ShowFlag, RECT *NewPos)
BOOLEAN FASTCALL	co_WinPosShowWindow (PWND Wnd, INT Cmd)
static PWND	co_WinPosSearchChildren (IN PWND ScopeWin, IN POINT *Point, IN OUT USHORT *HitTest, IN BOOL Ignore)
PWND APIENTRY	co_WinPosWindowFromPoint (IN PWND ScopeWin, IN POINT *WinPoint, IN OUT USHORT *HitTest, IN BOOL Ignore)
PWND FASTCALL	IntRealChildWindowFromPoint (PWND Parent, LONG x, LONG y)
PWND APIENTRY	IntChildWindowFromPointEx (PWND Parent, LONG x, LONG y, UINT uiFlags)
HDWP FASTCALL	IntDeferWindowPos (HDWP hdwp, HWND hwnd, HWND hwndAfter, INT x, INT y, INT cx, INT cy, UINT flags)
BOOL FASTCALL	IntEndDeferWindowPosEx (HDWP hdwp, BOOL sAsync)
HWND APIENTRY	NtUserChildWindowFromPointEx (HWND hwndParent, LONG x, LONG y, UINT uiFlags)
BOOL APIENTRY	NtUserEndDeferWindowPosEx (HDWP WinPosInfo, DWORD Unknown1)
HDWP APIENTRY	NtUserDeferWindowPos (HDWP WinPosInfo, HWND Wnd, HWND WndInsertAfter, int x, int y, int cx, int cy, UINT Flags)
DWORD APIENTRY	NtUserGetInternalWindowPos (HWND hWnd, LPRECT rectWnd, LPPOINT ptIcon)
BOOL APIENTRY	NtUserGetWindowPlacement (HWND hWnd, WINDOWPLACEMENT *lpwndpl)
DWORD APIENTRY	NtUserMinMaximize (HWND hWnd, UINT cmd, BOOL Hide)
BOOL APIENTRY	NtUserMoveWindow (HWND hWnd, int X, int Y, int nWidth, int nHeight, BOOL bRepaint)
HWND APIENTRY	NtUserRealChildWindowFromPoint (HWND Parent, LONG x, LONG y)
BOOL APIENTRY	NtUserSetWindowPos (HWND hWnd, HWND hWndInsertAfter, int X, int Y, int cx, int cy, UINT uFlags)
INT APIENTRY	NtUserSetWindowRgn (HWND hWnd, HRGN hRgn, BOOL bRedraw)
DWORD APIENTRY	NtUserSetInternalWindowPos (HWND hwnd, UINT showCmd, LPRECT lprect, LPPOINT lppt)
BOOL APIENTRY	NtUserSetWindowPlacement (HWND hWnd, WINDOWPLACEMENT *lpwndpl)
BOOL APIENTRY	NtUserShowWindowAsync (HWND hWnd, LONG nCmdShow)
BOOL APIENTRY	NtUserShowWindow (HWND hWnd, LONG nCmdShow)
HWND APIENTRY	NtUserWindowFromPoint (LONG X, LONG Y)

Macro Definition Documentation

EMPTYPOINT

#define EMPTYPOINT

(

pt

)

((pt).x == -1 && (pt).y == -1)

Definition at line 28 of file winpos.c.

MINMAX_NOSWP

#define MINMAX_NOSWP   (0x00010000)

Definition at line 14 of file winpos.c.

PLACE_MAX

#define PLACE_MAX   0x0002

Definition at line 30 of file winpos.c.

PLACE_MIN

#define PLACE_MIN   0x0001

Definition at line 29 of file winpos.c.

PLACE_RECT

#define PLACE_RECT   0x0004

Definition at line 31 of file winpos.c.

SWP_AGG_NOCLIENTCHANGE

#define SWP_AGG_NOCLIENTCHANGE   (SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE)

Definition at line 25 of file winpos.c.

SWP_AGG_NOGEOMETRYCHANGE

#define SWP_AGG_NOGEOMETRYCHANGE   (SWP_NOSIZE | SWP_NOCLIENTSIZE | SWP_NOZORDER)

Definition at line 19 of file winpos.c.

SWP_AGG_NOPOSCHANGE

#define SWP_AGG_NOPOSCHANGE   (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_NOZORDER)

Definition at line 21 of file winpos.c.

SWP_AGG_STATUSFLAGS

#define SWP_AGG_STATUSFLAGS   (SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW)

Definition at line 23 of file winpos.c.

SWP_EX_NOCOPY

#define SWP_EX_NOCOPY   0x0001

Definition at line 16 of file winpos.c.

SWP_EX_PAINTSELF

#define SWP_EX_PAINTSELF   0x0002

Definition at line 17 of file winpos.c.

Function Documentation

ActivateOtherWindowMin()

BOOL FASTCALL ActivateOtherWindowMin

(

PWND

Wnd

)

Definition at line 284 of file winpos.c.

{
    BOOL ActivePrev, FindTopWnd;
    PWND pWndTopMost, pWndChild, pWndSetActive, pWndTemp, pWndDesk;
    USER_REFERENCE_ENTRY Ref;
    PTHREADINFO pti = gptiCurrent;

    //ERR("AOWM 1 %p\n",Wnd->head.h);
    ActivePrev = (pti->MessageQueue->spwndActivePrev != NULL);
    FindTopWnd = TRUE;

    if ((pWndTopMost = IntGetLastTopMostWindow()))
       pWndChild = pWndTopMost->spwndNext;
    else
       pWndChild = Wnd->spwndParent->spwndChild;

    for (;;)
    {
       if ( ActivePrev )
          pWndSetActive = pti->MessageQueue->spwndActivePrev;
       else
          pWndSetActive = pWndChild;

       pWndTemp = NULL;

       while(pWndSetActive)
       {
          if ( VerifyWnd(pWndSetActive) &&
              !(pWndSetActive->ExStyle & WS_EX_NOACTIVATE) &&
               (pWndSetActive->style & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE &&
               (!(pWndSetActive->style & WS_ICONIC) /* FIXME MinMax pos? */ ) )
          {
             if (!(pWndSetActive->ExStyle & WS_EX_TOOLWINDOW) )
             {
                UserRefObjectCo(pWndSetActive, &Ref);
                //ERR("ActivateOtherWindowMin Set FG 1\n");
                co_IntSetForegroundWindow(pWndSetActive);
                UserDerefObjectCo(pWndSetActive);
                //ERR("AOWM 2 Exit Good %p\n",pWndSetActive->head.h);
                return TRUE;
             }
             if (!pWndTemp ) pWndTemp = pWndSetActive;
          }
          if ( ActivePrev )
          {
             ActivePrev = FALSE;
             pWndSetActive = pWndChild;
          }
          else
             pWndSetActive = pWndSetActive->spwndNext;
       }

       if ( !FindTopWnd ) break;
       FindTopWnd = FALSE;

       if ( pWndChild )
       {
          pWndChild = pWndChild->spwndParent->spwndChild;
          continue;
       }

       if (!(pWndDesk = IntGetThreadDesktopWindow(pti)))
       {
          pWndChild = NULL;
          continue;
       }
       pWndChild = pWndDesk->spwndChild;
    }

    if ((pWndSetActive = pWndTemp))
    {
       UserRefObjectCo(pWndSetActive, &Ref);
       //ERR("ActivateOtherWindowMin Set FG 2\n");
       co_IntSetForegroundWindow(pWndSetActive);
       UserDerefObjectCo(pWndSetActive);
       //ERR("AOWM 3 Exit Good %p\n",pWndSetActive->head.h);
       return TRUE;
    }
    //ERR("AOWM 4 Bad\n");
    return FALSE;
}

Referenced by co_WinPosShowWindow(), and UserSetActiveWindow().

can_activate_window()

static BOOL FASTCALL can_activate_window ( PWND Wnd  OPTIONAL )

static

Definition at line 372 of file winpos.c.

{
    LONG style;

    if (!Wnd) return FALSE;

    style = Wnd->style;
    if (!(style & WS_VISIBLE)) return FALSE;
    if (style & WS_MINIMIZE) return FALSE;
    if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
    return TRUE;
    /* FIXME: This window could be disable because the child that closed
              was a popup. */
    //return !(style & WS_DISABLED);
}

Referenced by co_WinPosActivateOtherWindow().

co_WinPosActivateOtherWindow()

VOID FASTCALL co_WinPosActivateOtherWindow

(

PWND

Wnd

)

Definition at line 395 of file winpos.c.

{
   PWND WndTo = NULL;
   USER_REFERENCE_ENTRY Ref;

   ASSERT_REFS_CO(Wnd);

   if (IntIsDesktopWindow(Wnd))
   {
      //ERR("WinPosActivateOtherWindow Set Focus Msg Q No window!\n");
      IntSetFocusMessageQueue(NULL);
      return;
   }

   /* If this is popup window, try to activate the owner first. */
   if ((Wnd->style & WS_POPUP) && (WndTo = Wnd->spwndOwner))
   {
      TRACE("WPAOW Popup with Owner\n");
      WndTo = UserGetAncestor( WndTo, GA_ROOT );
      if (can_activate_window(WndTo)) goto done;
   }

   /* Pick a next top-level window. */
   /* FIXME: Search for non-tooltip windows first. */
   WndTo = Wnd;
   for (;;)
   {
      if (!(WndTo = WndTo->spwndNext))  break;
      if (can_activate_window( WndTo )) goto done;
   }

   /*
      Fixes wine win.c:test_SetParent last ShowWindow test after popup dies.
      Check for previous active window to bring to top.
   */
   if (Wnd)
   {
      WndTo = Wnd->head.pti->MessageQueue->spwndActivePrev;
      if (can_activate_window( WndTo )) goto done;
   }

   // Find any window to bring to top. Works Okay for wine since it does not see X11 windows.
   WndTo = UserGetDesktopWindow();
   WndTo = WndTo->spwndChild;
   if ( WndTo == NULL )
   {
      //ERR("WinPosActivateOtherWindow No window!\n");
      return;
   }
   for (;;)
   {
      if (WndTo == Wnd)
      {
         WndTo = NULL;
         break;
      }
      if (can_activate_window( WndTo )) goto done;
      if (!(WndTo = WndTo->spwndNext))  break;
   }

done:
   if (WndTo) UserRefObjectCo(WndTo, &Ref);

   if (gpqForeground && (!gpqForeground->spwndActive || Wnd == gpqForeground->spwndActive))
   {
      /* ReactOS can pass WndTo = NULL to co_IntSetForegroundWindow and returns FALSE. */
      //ERR("WinPosActivateOtherWindow Set FG 0x%p hWnd %p\n",WndTo, WndTo ? WndTo->head.h : 0);
      if (co_IntSetForegroundWindow(WndTo))
      {
         if (WndTo) UserDerefObjectCo(WndTo);
         return;
      }
   }
   //ERR("WinPosActivateOtherWindow Set Active  0x%p\n",WndTo);
   if (!UserSetActiveWindow(WndTo))  /* Ok for WndTo to be NULL here */
   {
      //ERR("WPAOW SA 1\n");
      UserSetActiveWindow(NULL);
   }
   if (WndTo) UserDerefObjectCo(WndTo);
}

Referenced by co_WinPosShowWindow(), IntSendDestroyMsg(), and UserSetActiveWindow().

co_WinPosArrangeIconicWindows()

UINT FASTCALL co_WinPosArrangeIconicWindows

(

PWND

parent

)

Definition at line 728 of file winpos.c.

{
   RECTL rectParent;
   PWND Child;
   INT x, y, xspacing, yspacing, sx, sy;

   ASSERT_REFS_CO(parent);

   IntGetClientRect( parent, &rectParent );
   // FIXME: Support Minimize Metrics gspv.mm.iArrange.
   // Default: ARW_BOTTOMLEFT
   x = rectParent.left;
   y = rectParent.bottom;

   xspacing = UserGetSystemMetrics(SM_CXMINIMIZED);
   yspacing = UserGetSystemMetrics(SM_CYMINIMIZED);

   Child = parent->spwndChild;
   while(Child)
   {
      if((Child->style & WS_MINIMIZE) != 0 )
      {
         USER_REFERENCE_ENTRY Ref;
         UserRefObjectCo(Child, &Ref);

         sx = x + UserGetSystemMetrics(SM_CXBORDER);
         sy = y - yspacing - UserGetSystemMetrics(SM_CYBORDER);

         Child->InternalPos.IconPos.x = sx;
         Child->InternalPos.IconPos.y = sy;
         Child->InternalPos.flags |= WPF_MININIT;

         co_WinPosSetWindowPos( Child, 0, sx, sy, xspacing, yspacing, SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOCOPYBITS | SWP_ASYNCWINDOWPOS);

         UserDerefObjectCo(Child);

         if (x <= rectParent.right - xspacing)
            x += xspacing;
         else
         {
            x = rectParent.left;
            y -= yspacing;
         }
      }
      Child = Child->spwndNext;
   }
   return yspacing;
}

Referenced by NtUserCallHwndLock().

co_WinPosDoNCCALCSize()

static LONG FASTCALL co_WinPosDoNCCALCSize ( PWND  Window, PWINDOWPOS  WinPos, RECTL *  WindowRect, RECTL *  ClientRect, RECTL *  validRects  )

static

Definition at line 1170 of file winpos.c.

{
   PWND Parent;
   UINT wvrFlags = 0;

   ASSERT_REFS_CO(Window);

   /* Send WM_NCCALCSIZE message to get new client area */
   if ((WinPos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE)
   {
      NCCALCSIZE_PARAMS params;
      WINDOWPOS winposCopy;

      params.rgrc[0] = *WindowRect;      // new coordinates of a window that has been moved or resized
      params.rgrc[1] = Window->rcWindow; // window before it was moved or resized
      params.rgrc[2] = Window->rcClient; // client area before the window was moved or resized

      Parent = Window->spwndParent;
      if (0 != (Window->style & WS_CHILD) && Parent)
      {
         RECTL_vOffsetRect(&(params.rgrc[0]), - Parent->rcClient.left, - Parent->rcClient.top);
         RECTL_vOffsetRect(&(params.rgrc[1]), - Parent->rcClient.left, - Parent->rcClient.top);
         RECTL_vOffsetRect(&(params.rgrc[2]), - Parent->rcClient.left, - Parent->rcClient.top);
      }

      params.lppos = &winposCopy;
      winposCopy = *WinPos;

      wvrFlags = co_IntSendMessage(Window->head.h, WM_NCCALCSIZE, TRUE, (LPARAM) &params);

      /* If the application send back garbage, ignore it */
      if (params.rgrc[0].left <= params.rgrc[0].right &&
          params.rgrc[0].top <= params.rgrc[0].bottom)
      {
         *ClientRect = params.rgrc[0]; // First rectangle contains the coordinates of the new client rectangle resulting from the move or resize
         if ((Window->style & WS_CHILD) && Parent)
         {
            RECTL_vOffsetRect(ClientRect, Parent->rcClient.left, Parent->rcClient.top);
         }
         FixClientRect(ClientRect, WindowRect);
      }

      if (ClientRect->left != Window->rcClient.left ||
          ClientRect->top != Window->rcClient.top)
      {
         WinPos->flags &= ~SWP_NOCLIENTMOVE;
      }

      if (ClientRect->right - ClientRect->left != Window->rcClient.right - Window->rcClient.left)
      {
         WinPos->flags &= ~SWP_NOCLIENTSIZE;
      }
      else
         wvrFlags &= ~WVR_HREDRAW;

      if (ClientRect->bottom - ClientRect->top != Window->rcClient.bottom - Window->rcClient.top)
      {
         WinPos->flags &= ~SWP_NOCLIENTSIZE;
      }
      else
         wvrFlags &= ~WVR_VREDRAW;

      validRects[0] = params.rgrc[1]; // second rectangle contains the valid destination rectangle
      validRects[1] = params.rgrc[2]; // third rectangle contains the valid source rectangle
   }
   else
   {
      if (!(WinPos->flags & SWP_NOMOVE) &&
          (ClientRect->left != Window->rcClient.left ||
           ClientRect->top != Window->rcClient.top))
      {
         WinPos->flags &= ~SWP_NOCLIENTMOVE;
      }
   }

   if (WinPos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
   {
      RECTL_vSetEmptyRect( &validRects[0] );
      RECTL_vSetEmptyRect( &validRects[1] );
   }
   else get_valid_rects( &Window->rcClient, ClientRect, wvrFlags, validRects );

   return wvrFlags;
}

Referenced by co_WinPosSetWindowPos().

co_WinPosDoWinPosChanging()

static BOOL FASTCALL co_WinPosDoWinPosChanging ( PWND  Window, PWINDOWPOS  WinPos, PRECTL  WindowRect, PRECTL  ClientRect  )

static

Definition at line 1257 of file winpos.c.

{
   ASSERT_REFS_CO(Window);

   /* Send WM_WINDOWPOSCHANGING message */

   if (!(WinPos->flags & SWP_NOSENDCHANGING)
          && !((WinPos->flags & SWP_AGG_NOCLIENTCHANGE) && (WinPos->flags & SWP_SHOWWINDOW)))
   {
      TRACE("Sending WM_WINDOWPOSCHANGING to hwnd %p flags %04x.\n", Window->head.h,WinPos->flags);
      co_IntSendMessage(Window->head.h, WM_WINDOWPOSCHANGING, 0, (LPARAM) WinPos);
   }

   /* Calculate new position and size */

   *WindowRect = Window->rcWindow;
   *ClientRect = (Window->style & WS_MINIMIZE) ? Window->rcWindow : Window->rcClient;

   if (!(WinPos->flags & SWP_NOSIZE))
   {
      if (Window->style & WS_MINIMIZE)
      {
         WindowRect->right  = WindowRect->left + UserGetSystemMetrics(SM_CXMINIMIZED);
         WindowRect->bottom = WindowRect->top  + UserGetSystemMetrics(SM_CYMINIMIZED);
      }
      else
      {
         WindowRect->right = WindowRect->left + WinPos->cx;
         WindowRect->bottom = WindowRect->top + WinPos->cy;
      }
   }

   if (!(WinPos->flags & SWP_NOMOVE))
   {
      INT X, Y;
      PWND Parent;
      X = WinPos->x;
      Y = WinPos->y;

      Parent = Window->spwndParent;

      // Parent child position issue is in here. SetParent_W7 test CORE-6651.
      if (//((Window->style & WS_CHILD) != 0) && <- Fixes wine msg test_SetParent: "rects do not match", the last test.
           Parent &&
           Parent != Window->head.rpdesk->pDeskInfo->spwnd)
      {
         TRACE("Not SWP_NOMOVE 1 Parent client offset X %d Y %d\n",X,Y);
         X += Parent->rcClient.left;
         Y += Parent->rcClient.top;
         TRACE("Not SWP_NOMOVE 2 Parent client offset X %d Y %d\n",X,Y);
      }

      WindowRect->left    = X;
      WindowRect->top     = Y;
      WindowRect->right  += X - Window->rcWindow.left;
      WindowRect->bottom += Y - Window->rcWindow.top;

      RECTL_vOffsetRect(ClientRect, X - Window->rcWindow.left,
                                    Y - Window->rcWindow.top);
   }
   WinPos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;

   TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
           WinPos->hwnd, WinPos->hwndInsertAfter, WinPos->x, WinPos->y,
           WinPos->cx, WinPos->cy, WinPos->flags );
   TRACE("WindowRect: %d %d %d %d\n", WindowRect->left,WindowRect->top,WindowRect->right,WindowRect->bottom);
   TRACE("ClientRect: %d %d %d %d\n", ClientRect->left,ClientRect->top,ClientRect->right,ClientRect->bottom);

   return TRUE;
}

Referenced by co_WinPosSetWindowPos().

co_WinPosGetMinMaxInfo()

UINT FASTCALL co_WinPosGetMinMaxInfo	(	PWND	Window,
		POINT *	MaxSize,
		POINT *	MaxPos,
		POINT *	MinTrack,
		POINT *	MaxTrack
	)

Definition at line 936 of file winpos.c.

{
    MINMAXINFO MinMax;
    PMONITOR monitor;
    INT xinc, yinc;
    LONG style = Window->style;
    LONG adjustedStyle;
    LONG exstyle = Window->ExStyle;
    RECT rc;

    ASSERT_REFS_CO(Window);

    /* Compute default values */

    rc = Window->rcWindow;
    MinMax.ptReserved.x = rc.left;
    MinMax.ptReserved.y = rc.top;

    if ((style & WS_CAPTION) == WS_CAPTION)
        adjustedStyle = style & ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
    else
        adjustedStyle = style;

    if(Window->spwndParent)
        IntGetClientRect(Window->spwndParent, &rc);
    UserAdjustWindowRectEx(&rc, adjustedStyle, ((style & WS_POPUP) && Window->IDMenu), exstyle);

    xinc = -rc.left;
    yinc = -rc.top;

    MinMax.ptMaxSize.x = rc.right - rc.left;
    MinMax.ptMaxSize.y = rc.bottom - rc.top;
    if (style & (WS_DLGFRAME | WS_BORDER))
    {
        MinMax.ptMinTrackSize.x = UserGetSystemMetrics(SM_CXMINTRACK);
        MinMax.ptMinTrackSize.y = UserGetSystemMetrics(SM_CYMINTRACK);
    }
    else
    {
        MinMax.ptMinTrackSize.x = 2 * xinc;
        MinMax.ptMinTrackSize.y = 2 * yinc;
    }
    MinMax.ptMaxTrackSize.x = UserGetSystemMetrics(SM_CXMAXTRACK);
    MinMax.ptMaxTrackSize.y = UserGetSystemMetrics(SM_CYMAXTRACK);
    MinMax.ptMaxPosition.x = -xinc;
    MinMax.ptMaxPosition.y = -yinc;

   if (!EMPTYPOINT(Window->InternalPos.MaxPos)) MinMax.ptMaxPosition = Window->InternalPos.MaxPos;

    co_IntSendMessage(Window->head.h, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax);

    /* if the app didn't change the values, adapt them for the current monitor */
    if ((monitor = UserGetPrimaryMonitor()))
    {
        RECT rc_work;

        rc_work = monitor->rcMonitor;

        if (style & WS_MAXIMIZEBOX)
        {
            if ((style & WS_CAPTION) == WS_CAPTION || !(style & (WS_CHILD | WS_POPUP)))
                rc_work = monitor->rcWork;
        }

        if (MinMax.ptMaxSize.x == UserGetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
            MinMax.ptMaxSize.y == UserGetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
        {
            MinMax.ptMaxSize.x = (rc_work.right - rc_work.left) + 2 * xinc;
            MinMax.ptMaxSize.y = (rc_work.bottom - rc_work.top) + 2 * yinc;
        }
        if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
        {
            MinMax.ptMaxPosition.x = rc_work.left - xinc;
            MinMax.ptMaxPosition.y = rc_work.top - yinc;
        }
        if (MinMax.ptMaxSize.x >= (monitor->rcMonitor.right - monitor->rcMonitor.left) &&
            MinMax.ptMaxSize.y >= (monitor->rcMonitor.bottom - monitor->rcMonitor.top) )
            Window->state |= WNDS_MAXIMIZESTOMONITOR;
        else
            Window->state &= ~WNDS_MAXIMIZESTOMONITOR;
    }


   MinMax.ptMaxTrackSize.x = max(MinMax.ptMaxTrackSize.x,
                                 MinMax.ptMinTrackSize.x);
   MinMax.ptMaxTrackSize.y = max(MinMax.ptMaxTrackSize.y,
                                 MinMax.ptMinTrackSize.y);

   if (MaxSize)
      *MaxSize = MinMax.ptMaxSize;
   if (MaxPos)
      *MaxPos = MinMax.ptMaxPosition;
   if (MinTrack)
      *MinTrack = MinMax.ptMinTrackSize;
   if (MaxTrack)
      *MaxTrack = MinMax.ptMaxTrackSize;

   return 0; // FIXME: What does it return?
}

Referenced by co_UserCreateWindowEx(), co_WinPosMinMaximize(), DefWndDoSizeMove(), and DefWndHandleWindowPosChanging().

co_WinPosGetNonClientSize()

LRESULT FASTCALL co_WinPosGetNonClientSize	(	PWND	Window,
		RECT *	WindowRect,
		RECT *	ClientRect
	)

Definition at line 2194 of file winpos.c.

{
   LRESULT Result;

   ASSERT_REFS_CO(Window);

   *ClientRect = *WindowRect;
   Result = co_IntSendMessageNoWait(Window->head.h, WM_NCCALCSIZE, FALSE, (LPARAM) ClientRect);

   FixClientRect(ClientRect, WindowRect);

   return Result;
}

Referenced by co_IntCreateScrollBars(), and co_UserCreateWindowEx().

co_WinPosMinMaximize()

UINT FASTCALL co_WinPosMinMaximize	(	PWND	Wnd,
		UINT	ShowFlag,
		RECT *	NewPos
	)

Definition at line 2243 of file winpos.c.

{
   POINT Size;
   WINDOWPLACEMENT wpl;
   LONG old_style;
   UINT SwpFlags = 0;

   ASSERT_REFS_CO(Wnd);

   wpl.length = sizeof(wpl);
   IntGetWindowPlacement( Wnd, &wpl );

   if (co_HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)Wnd->head.h, ShowFlag))
   {
      ERR("WinPosMinMaximize WH_CBT Call Hook return!\n");
      return SWP_NOSIZE | SWP_NOMOVE;
   }
      if (Wnd->style & WS_MINIMIZE)
      {
         switch (ShowFlag)
         {
         case SW_MINIMIZE:
         case SW_SHOWMINNOACTIVE:
         case SW_SHOWMINIMIZED:
         case SW_FORCEMINIMIZE:
             return SWP_NOSIZE | SWP_NOMOVE;
         }
         if (!co_IntSendMessageNoWait(Wnd->head.h, WM_QUERYOPEN, 0, 0))
         {
            return(SWP_NOSIZE | SWP_NOMOVE);
         }
         SwpFlags |= SWP_NOCOPYBITS;
      }
      switch (ShowFlag)
      {
         case SW_MINIMIZE:
         case SW_SHOWMINNOACTIVE:
         case SW_SHOWMINIMIZED:
         case SW_FORCEMINIMIZE:
            {
               //ERR("MinMaximize Minimize\n");
               if (Wnd->style & WS_MAXIMIZE)
               {
                  Wnd->InternalPos.flags |= WPF_RESTORETOMAXIMIZED;
               }
               else
               {
                  Wnd->InternalPos.flags &= ~WPF_RESTORETOMAXIMIZED;
               }

               old_style = IntSetStyle( Wnd, WS_MINIMIZE, WS_MAXIMIZE );

               co_UserRedrawWindow(Wnd, NULL, 0, RDW_VALIDATE | RDW_NOERASE | RDW_NOINTERNALPAINT);

               if (!(Wnd->InternalPos.flags & WPF_SETMINPOSITION))
                  Wnd->InternalPos.flags &= ~WPF_MININIT;

               WinPosFindIconPos(Wnd, &wpl.ptMinPosition);

               if (!(old_style & WS_MINIMIZE))
               {
                  SwpFlags |= SWP_STATECHANGED;
                  IntShowOwnedPopups(Wnd, FALSE);
               }

               RECTL_vSetRect(NewPos, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
                             wpl.ptMinPosition.x + UserGetSystemMetrics(SM_CXMINIMIZED),
                             wpl.ptMinPosition.y + UserGetSystemMetrics(SM_CYMINIMIZED));
               SwpFlags |= SWP_NOCOPYBITS;
               break;
            }

         case SW_MAXIMIZE:
            {
               //ERR("MinMaximize Maximize\n");
               if ((Wnd->style & WS_MAXIMIZE) && (Wnd->style & WS_VISIBLE))
               {
                  SwpFlags = SWP_NOSIZE | SWP_NOMOVE;
                  break;
               }
               co_WinPosGetMinMaxInfo(Wnd, &Size, &wpl.ptMaxPosition, NULL, NULL);

               /*ERR("Maximize: %d,%d %dx%d\n",
                      wpl.ptMaxPosition.x, wpl.ptMaxPosition.y, Size.x, Size.y);
                */
               old_style = IntSetStyle( Wnd, WS_MAXIMIZE, WS_MINIMIZE );
               /*if (old_style & WS_MINIMIZE)
               {
                  IntShowOwnedPopups(Wnd, TRUE);
               }*/

               if (!(old_style & WS_MAXIMIZE)) SwpFlags |= SWP_STATECHANGED;
               RECTL_vSetRect(NewPos, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
                              //wpl.ptMaxPosition.x + Size.x, wpl.ptMaxPosition.y + Size.y);
                              Size.x, Size.y);
               break;
            }

         case SW_SHOWNOACTIVATE:
            Wnd->InternalPos.flags &= ~WPF_RESTORETOMAXIMIZED;
            /* fall through */
         case SW_SHOWNORMAL:
         case SW_RESTORE:
         case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
            {
               //ERR("MinMaximize Restore\n");
               old_style = IntSetStyle( Wnd, 0, WS_MINIMIZE | WS_MAXIMIZE );
               if (old_style & WS_MINIMIZE)
               {
                  IntShowOwnedPopups(Wnd, TRUE);

                  if (Wnd->InternalPos.flags & WPF_RESTORETOMAXIMIZED)
                  {
                     co_WinPosGetMinMaxInfo(Wnd, &Size, &wpl.ptMaxPosition, NULL, NULL);
                     IntSetStyle( Wnd, WS_MAXIMIZE, 0 );
                     SwpFlags |= SWP_STATECHANGED;
                     RECTL_vSetRect(NewPos, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
                                    wpl.ptMaxPosition.x + Size.x, wpl.ptMaxPosition.y + Size.y);
                     break;
                  }
                  else
                  {
                     *NewPos = wpl.rcNormalPosition;
                     NewPos->right -= NewPos->left;
                     NewPos->bottom -= NewPos->top;
                     break;
                  }
               }
               else
               {
                  if (!(old_style & WS_MAXIMIZE))
                  {
                     break;
                  }
                  SwpFlags |= SWP_STATECHANGED;
                  Wnd->InternalPos.flags &= ~WPF_RESTORETOMAXIMIZED;
                  *NewPos = wpl.rcNormalPosition;
                  NewPos->right -= NewPos->left;
                  NewPos->bottom -= NewPos->top;
                  break;
               }
            }
      }
   return SwpFlags;
}

Referenced by co_UserCreateWindowEx(), and co_WinPosShowWindow().

co_WinPosSearchChildren()

static PWND co_WinPosSearchChildren ( IN PWND  ScopeWin, IN POINT *  Point, IN OUT USHORT *  HitTest, IN BOOL  Ignore  )

static

Definition at line 2676 of file winpos.c.

{
    HWND *List, *phWnd;
    PWND pwndChild = NULL;

    /* not visible */
    if (!(ScopeWin->style & WS_VISIBLE))
    {
        return NULL;
    }

    /* not in window or in window region */
    if (!IntPtInWindow(ScopeWin, Point->x, Point->y))
    {
        return NULL;
    }

    /* transparent */
    if ((ScopeWin->ExStyle & (WS_EX_LAYERED|WS_EX_TRANSPARENT)) == (WS_EX_LAYERED|WS_EX_TRANSPARENT))
    {
        return NULL;
    }

    if (!Ignore && (ScopeWin->style & WS_DISABLED))
    {   /* disabled child */
        if ((ScopeWin->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return NULL;
        /* process the hit error */
        *HitTest = HTERROR;
        return ScopeWin;
    }

    /* not minimized and check if point is inside the window */
    if (!(ScopeWin->style & WS_MINIMIZE) &&
         RECTL_bPointInRect(&ScopeWin->rcClient, Point->x, Point->y) )
    {
        UserReferenceObject(ScopeWin);

        List = IntWinListChildren(ScopeWin);
        if (List)
        {
            for (phWnd = List; *phWnd; ++phWnd)
            {
                if (!(pwndChild = ValidateHwndNoErr(*phWnd)))
                {
                    continue;
                }

                pwndChild = co_WinPosSearchChildren(pwndChild, Point, HitTest, Ignore);

                if (pwndChild != NULL)
                {
                    /* We found a window. Don't send any more WM_NCHITTEST messages */
                    ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
                    UserDereferenceObject(ScopeWin);
                    return pwndChild;
                }
            }
            ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
        }
        UserDereferenceObject(ScopeWin);
    }

    if (ScopeWin->head.pti == PsGetCurrentThreadWin32Thread())
    {
       *HitTest = (USHORT)co_IntSendMessage(ScopeWin->head.h, WM_NCHITTEST, 0, MAKELONG(Point->x, Point->y));

       if ((*HitTest) == (USHORT)HTTRANSPARENT)
       {
           return NULL;
       }
    }
    else
    {
       if (*HitTest == HTNOWHERE && pwndChild == NULL) *HitTest = HTCLIENT;
    }

    return ScopeWin;
}

Referenced by co_WinPosWindowFromPoint().

co_WinPosSendSizeMove()

void FASTCALL co_WinPosSendSizeMove

(

PWND

Wnd

)

Definition at line 2209 of file winpos.c.

{
    RECTL Rect;
    LPARAM lParam;
    WPARAM wParam = SIZE_RESTORED;

    IntGetClientRect(Wnd, &Rect);
    lParam = MAKELONG(Rect.right-Rect.left, Rect.bottom-Rect.top);

    Wnd->state &= ~WNDS_SENDSIZEMOVEMSGS;

    if (Wnd->style & WS_MAXIMIZE)
    {
        wParam = SIZE_MAXIMIZED;
    }
    else if (Wnd->style & WS_MINIMIZE)
    {
        wParam = SIZE_MINIMIZED;
        lParam = 0;
    }

    co_IntSendMessageNoWait(UserHMGetHandle(Wnd), WM_SIZE, wParam, lParam);

    if (UserIsDesktopWindow(Wnd->spwndParent))
       lParam = MAKELONG(Wnd->rcClient.left, Wnd->rcClient.top);
    else
       lParam = MAKELONG(Wnd->rcClient.left-Wnd->spwndParent->rcClient.left, Wnd->rcClient.top-Wnd->spwndParent->rcClient.top);

    co_IntSendMessageNoWait(UserHMGetHandle(Wnd), WM_MOVE, 0, lParam);

    IntEngWindowChanged(Wnd, WOC_RGN_CLIENT);
}

Referenced by co_UserCreateWindowEx(), and co_WinPosShowWindow().

co_WinPosSetWindowPos()

BOOLEAN FASTCALL co_WinPosSetWindowPos	(	PWND	Window,
		HWND	WndInsertAfter,
		INT	x,
		INT	y,
		INT	cx,
		INT	cy,
		UINT	flags
	)

Definition at line 1651 of file winpos.c.

{
   WINDOWPOS WinPos;
   RECTL NewWindowRect;
   RECTL NewClientRect;
   RECTL valid_rects[2];
   PREGION VisBefore = NULL;
   PREGION VisBeforeJustClient = NULL;
   PREGION VisAfter = NULL;
   PREGION CopyRgn = NULL;
   ULONG WvrFlags = 0;
   RECTL OldWindowRect, OldClientRect;
   int RgnType;
   HDC Dc;
   RECTL CopyRect;
   PWND Ancestor;
   BOOL bPointerInWindow, PosChanged = FALSE;
   PTHREADINFO pti = PsGetCurrentThreadWin32Thread();

   ASSERT_REFS_CO(Window);

   TRACE("pwnd %p, after %p, %d,%d (%dx%d), flags %s",
          Window, WndInsertAfter, x, y, cx, cy, flags);
#if DBG
   dump_winpos_flags(flags);
#endif

   /* FIXME: Get current active window from active queue. Why? since r2915. */

   bPointerInWindow = IntPtInWindow(Window, gpsi->ptCursor.x, gpsi->ptCursor.y);

   WinPos.hwnd = Window->head.h;
   WinPos.hwndInsertAfter = WndInsertAfter;
   WinPos.x = x;
   WinPos.y = y;
   WinPos.cx = cx;
   WinPos.cy = cy;
   WinPos.flags = flags;

   if ( flags & SWP_ASYNCWINDOWPOS )
   {
      LRESULT lRes;
      PWINDOWPOS ppos = ExAllocatePoolWithTag(PagedPool, sizeof(WINDOWPOS), USERTAG_SWP);
      if ( ppos )
      {
         WinPos.flags &= ~SWP_ASYNCWINDOWPOS; // Clear flag.
         *ppos = WinPos;
         /* Yes it's a pointer inside Win32k! */
         lRes = co_IntSendMessageNoWait( WinPos.hwnd, WM_ASYNC_SETWINDOWPOS, 0, (LPARAM)ppos);
         /* We handle this the same way as Event Hooks and Hooks. */
         if ( !lRes )
         {
            ExFreePoolWithTag(ppos, USERTAG_SWP);
            return FALSE;
         }
         return TRUE;
      }
      return FALSE;
   }

   co_WinPosDoWinPosChanging(Window, &WinPos, &NewWindowRect, &NewClientRect);

   /* Does the window still exist? */
   if (!IntIsWindow(WinPos.hwnd))
   {
      TRACE("WinPosSetWindowPos: Invalid handle 0x%p!\n",WinPos.hwnd);
      EngSetLastError(ERROR_INVALID_WINDOW_HANDLE);
      return FALSE;
   }

   /* Fix up the flags. */
   if (!WinPosFixupFlags(&WinPos, Window))
   {
      // See Note.
      return TRUE;
   }

   Ancestor = UserGetAncestor(Window, GA_PARENT);
   if ( (WinPos.flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER &&
         Ancestor && Ancestor->head.h == IntGetDesktopWindow() )
   {
      WinPos.hwndInsertAfter = WinPosDoOwnedPopups(Window, WinPos.hwndInsertAfter);
   }

   if (!(WinPos.flags & SWP_NOREDRAW))
   {
      /* Compute the visible region before the window position is changed */
      if (!(WinPos.flags & SWP_SHOWWINDOW) &&
           (WinPos.flags & (SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
                             SWP_HIDEWINDOW | SWP_FRAMECHANGED)) !=
            (SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER))
      {
         VisBefore = VIS_ComputeVisibleRegion(Window, FALSE, FALSE,
                                              (Window->style & WS_CLIPSIBLINGS) ? TRUE : FALSE);

         if ( VisBefore != NULL &&
              REGION_Complexity(VisBefore) == NULLREGION )
         {
            REGION_Delete(VisBefore);
            VisBefore = NULL;
         }
         else if(VisBefore)
         {
            REGION_bOffsetRgn(VisBefore, -Window->rcWindow.left, -Window->rcWindow.top);
         }

         /* Calculate the non client area for resizes, as this is used in the copy region */
         if (!(WinPos.flags & SWP_NOSIZE))
         {
             VisBeforeJustClient = VIS_ComputeVisibleRegion(Window, TRUE, FALSE,
                 (Window->style & WS_CLIPSIBLINGS) ? TRUE : FALSE);

             if ( VisBeforeJustClient != NULL &&
                 REGION_Complexity(VisBeforeJustClient) == NULLREGION )
             {
                 REGION_Delete(VisBeforeJustClient);
                 VisBeforeJustClient = NULL;
             }
             else if(VisBeforeJustClient)
             {
                 REGION_bOffsetRgn(VisBeforeJustClient, -Window->rcWindow.left, -Window->rcWindow.top);
             }
         }
      }
   }

   if (Window->hrgnNewFrame)
   {
       SelectWindowRgn( Window, Window->hrgnNewFrame ); // Should be PSMWP->acvr->hrgnClip
       Window->hrgnNewFrame = NULL;
   }

   WvrFlags = co_WinPosDoNCCALCSize(Window, &WinPos, &NewWindowRect, &NewClientRect, valid_rects);

//   ERR("co_WinPosDoNCCALCSize returned 0x%x\n valid dest: %d %d %d %d\n valid src : %d %d %d %d\n", WvrFlags,
//      valid_rects[0].left,valid_rects[0].top,valid_rects[0].right,valid_rects[0].bottom,
//      valid_rects[1].left,valid_rects[1].top,valid_rects[1].right,valid_rects[1].bottom);

   /* Validate link windows. (also take into account shell window in hwndShellWindow) */
   if (!(WinPos.flags & SWP_NOZORDER) && WinPos.hwnd != UserGetShellWindow())
   {
      IntLinkHwnd(Window, WinPos.hwndInsertAfter);
   }

   OldWindowRect = Window->rcWindow;
   OldClientRect = Window->rcClient;

   if (NewClientRect.left != OldClientRect.left ||
       NewClientRect.top  != OldClientRect.top)
   {
      // Move child window if their parent is moved. Keep Child window relative to Parent...
      WinPosInternalMoveWindow(Window,
                               NewClientRect.left - OldClientRect.left,
                               NewClientRect.top - OldClientRect.top);
      PosChanged = TRUE;
   }

   Window->rcWindow = NewWindowRect;
   Window->rcClient = NewClientRect;

   /* erase parent when hiding or resizing child */
   if (WinPos.flags & SWP_HIDEWINDOW)
   {
      /* Clear the update region */
      co_UserRedrawWindow( Window,
                           NULL,
                           0,
                           RDW_VALIDATE | RDW_NOFRAME | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_ALLCHILDREN);

      if (UserIsDesktopWindow(Window->spwndParent))
         co_IntShellHookNotify(HSHELL_WINDOWDESTROYED, (WPARAM)Window->head.h, 0);

      Window->style &= ~WS_VISIBLE; //IntSetStyle( Window, 0, WS_VISIBLE );
      Window->head.pti->cVisWindows--;
      IntNotifyWinEvent(EVENT_OBJECT_HIDE, Window, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
   }
   else if (WinPos.flags & SWP_SHOWWINDOW)
   {
       if (UserIsDesktopWindow(Window->spwndParent) &&
           Window->spwndOwner == NULL &&
           (!(Window->ExStyle & WS_EX_TOOLWINDOW) ||
            (Window->ExStyle & WS_EX_APPWINDOW)))
         co_IntShellHookNotify(HSHELL_WINDOWCREATED, (WPARAM)Window->head.h, 0);

      Window->style |= WS_VISIBLE; //IntSetStyle( Window, WS_VISIBLE, 0 );
      Window->head.pti->cVisWindows++;
      IntNotifyWinEvent(EVENT_OBJECT_SHOW, Window, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
   }

   if (Window->hrgnUpdate != NULL && Window->hrgnUpdate != HRGN_WINDOW)
   {
      NtGdiOffsetRgn(Window->hrgnUpdate,
                     NewWindowRect.left - OldWindowRect.left,
                     NewWindowRect.top - OldWindowRect.top);
   }

   DceResetActiveDCEs(Window); // For WS_VISIBLE changes.

   if (!(WinPos.flags & SWP_NOREDRAW))
   {
      /* Determine the new visible region */
      VisAfter = VIS_ComputeVisibleRegion(Window, FALSE, FALSE,
                                          (Window->style & WS_CLIPSIBLINGS) ? TRUE : FALSE);

      if ( VisAfter != NULL &&
           REGION_Complexity(VisAfter) == NULLREGION )
      {
         REGION_Delete(VisAfter);
         VisAfter = NULL;
      }
      else if(VisAfter)
      {
         REGION_bOffsetRgn(VisAfter, -Window->rcWindow.left, -Window->rcWindow.top);
      }

      /*
       * Determine which pixels can be copied from the old window position
       * to the new. Those pixels must be visible in both the old and new
       * position. Also, check the class style to see if the windows of this
       * class need to be completely repainted on (horizontal/vertical) size
       * change.
       */
      if ( ( VisBefore != NULL &&
             VisAfter != NULL &&
            !(WinPos.flags & SWP_NOCOPYBITS) &&
            ((WinPos.flags & SWP_NOSIZE) || !(WvrFlags & WVR_REDRAW)) &&
            !(Window->ExStyle & WS_EX_TRANSPARENT) ) || 
            ( !PosChanged && (WinPos.flags & SWP_FRAMECHANGED) && VisBefore) )
      {

         /*
          * If this is (also) a window resize, the whole nonclient area
          * needs to be repainted. So we limit the copy to the client area,
          * 'cause there is no use in copying it (would possibly cause
          * "flashing" too). However, if the copy region is already empty,
          * we don't have to crop (can't take anything away from an empty
          * region...)
          */

         CopyRgn = IntSysCreateRectpRgn(0, 0, 0, 0);
         if (WinPos.flags & SWP_NOSIZE)
            RgnType = IntGdiCombineRgn(CopyRgn, VisAfter, VisBefore, RGN_AND);
         else if (VisBeforeJustClient != NULL)
         {
            RgnType = IntGdiCombineRgn(CopyRgn, VisAfter, VisBeforeJustClient, RGN_AND);
            REGION_Delete(VisBeforeJustClient);
         }

         /* Now use in copying bits which are in the update region. */
         if (Window->hrgnUpdate != NULL)
         {
            PREGION RgnUpdate = REGION_LockRgn(Window->hrgnUpdate);
            if (RgnUpdate)
            {
                REGION_bOffsetRgn(CopyRgn, NewWindowRect.left, NewWindowRect.top);
                IntGdiCombineRgn(CopyRgn, CopyRgn, RgnUpdate, RGN_DIFF);
                REGION_bOffsetRgn(CopyRgn, -NewWindowRect.left, -NewWindowRect.top);
                REGION_UnlockRgn(RgnUpdate);
            }
         }

         /*
          * Now, get the bounding box of the copy region. If it's empty
          * there's nothing to copy. Also, it's no use copying bits onto
          * themselves.
          */
         if (REGION_GetRgnBox(CopyRgn, &CopyRect) == NULLREGION)
         {
            /* Nothing to copy, clean up */
            REGION_Delete(CopyRgn);
            CopyRgn = NULL;
         }
         else if ( OldWindowRect.left != NewWindowRect.left ||
                   OldWindowRect.top != NewWindowRect.top ||
                  (WinPos.flags & SWP_FRAMECHANGED) )
         {
             HRGN DcRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
             PREGION DcRgnObj = REGION_LockRgn(DcRgn);

          /*
           * Small trick here: there is no function to bitblt a region. So
           * we set the region as the clipping region, take the bounding box
           * of the region and bitblt that. Since nothing outside the clipping
           * region is copied, this has the effect of bitblt'ing the region.
           *
           * Since NtUserGetDCEx takes ownership of the clip region, we need
           * to create a copy of CopyRgn and pass that. We need CopyRgn later
           */
            IntGdiCombineRgn(DcRgnObj, CopyRgn, NULL, RGN_COPY);
            REGION_bOffsetRgn(DcRgnObj, NewWindowRect.left, NewWindowRect.top);
            REGION_UnlockRgn(DcRgnObj);
            Dc = UserGetDCEx( Window,
                              DcRgn,
                              DCX_WINDOW|DCX_CACHE|DCX_INTERSECTRGN|DCX_CLIPSIBLINGS|DCX_KEEPCLIPRGN); // DCX_WINDOW will set first, go read WinDC.c.
            NtGdiBitBlt( Dc,
                         CopyRect.left, CopyRect.top,
                         CopyRect.right - CopyRect.left,
                         CopyRect.bottom - CopyRect.top,
                         Dc,
                         CopyRect.left + (OldWindowRect.left - NewWindowRect.left),
                         CopyRect.top + (OldWindowRect.top - NewWindowRect.top),
                         SRCCOPY,
                         0,
                         0);

            UserReleaseDC(Window, Dc, FALSE);
            IntValidateParent(Window, CopyRgn);
            GreDeleteObject(DcRgn);
         }
      }
      else
      {
         CopyRgn = NULL;
      }

      if ( !PosChanged && (WinPos.flags & SWP_FRAMECHANGED) && VisBefore )
      {
         PWND pwnd = Window;
         PWND Parent = pwnd->spwndParent;

         TRACE("SWP_FRAMECHANGED no chg\n");

         if ( pwnd->style & WS_CHILD ) // Fix ProgMan menu bar drawing.
         {
            TRACE("SWP_FRAMECHANGED win child %p Parent %p\n",pwnd,Parent);
            pwnd = Parent ? Parent : pwnd;
         }

         if ( !(pwnd->style & WS_CHILD) )
         {
            HDC hdc;
            HRGN DcRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
            PREGION DcRgnObj = REGION_LockRgn(DcRgn);

            TRACE("SWP_FRAMECHANGED Draw\n");

            IntGdiCombineRgn(DcRgnObj, VisBefore, NULL, RGN_COPY);
            REGION_UnlockRgn(DcRgnObj);

            hdc = UserGetDCEx( pwnd,
                               DcRgn,
                               DCX_WINDOW|DCX_CACHE|DCX_INTERSECTRGN|DCX_CLIPSIBLINGS|DCX_KEEPCLIPRGN); // DCX_WINDOW, see note above....

            NC_DoNCPaint(pwnd, hdc, -1); // Force full redraw of nonclient area.

            UserReleaseDC(pwnd, hdc, FALSE);
            IntValidateParent(pwnd, DcRgnObj);
            GreDeleteObject(DcRgn);
         }
      }

      /* We need to redraw what wasn't visible before */
      if (VisAfter != NULL)
      {
         PREGION DirtyRgn = IntSysCreateRectpRgn(0, 0, 0, 0);
         if (DirtyRgn)
         {
             if (CopyRgn != NULL)
             {
                RgnType = IntGdiCombineRgn(DirtyRgn, VisAfter, CopyRgn, RGN_DIFF);
             }
             else
             {
                RgnType = IntGdiCombineRgn(DirtyRgn, VisAfter, 0, RGN_COPY);
             }

             if (RgnType != ERROR && RgnType != NULLREGION)
             {
            /* old code
                NtGdiOffsetRgn(DirtyRgn, Window->rcWindow.left, Window->rcWindow.top);
                IntInvalidateWindows( Window,
                                      DirtyRgn,
                   RDW_ERASE | RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN);
             }
             GreDeleteObject(DirtyRgn);
             */

                PWND Parent = Window->spwndParent;

                REGION_bOffsetRgn( DirtyRgn, Window->rcWindow.left, Window->rcWindow.top);

                if ( (Window->style & WS_CHILD) && (Parent) && !(Parent->style & WS_CLIPCHILDREN))
                {
                   IntInvalidateWindows( Parent, DirtyRgn, RDW_ERASE | RDW_INVALIDATE);
                   co_IntPaintWindows(Parent, RDW_NOCHILDREN, FALSE);
                }
                else
                {
                   IntInvalidateWindows( Window, DirtyRgn, RDW_ERASE | RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN);
                }
             }
             REGION_Delete(DirtyRgn);
         }
      }

      if (CopyRgn != NULL)
      {
         REGION_Delete(CopyRgn);
      }

      /* Expose what was covered before but not covered anymore */
      if (VisBefore != NULL)
      {
         PREGION ExposedRgn = IntSysCreateRectpRgn(0, 0, 0, 0);
         if (ExposedRgn)
         {
             RgnType = IntGdiCombineRgn(ExposedRgn, VisBefore, NULL, RGN_COPY);
             REGION_bOffsetRgn(ExposedRgn,
                               OldWindowRect.left - NewWindowRect.left,
                               OldWindowRect.top  - NewWindowRect.top);

             if (VisAfter != NULL)
                RgnType = IntGdiCombineRgn(ExposedRgn, ExposedRgn, VisAfter, RGN_DIFF);

             if (RgnType != ERROR && RgnType != NULLREGION)
             {
                co_VIS_WindowLayoutChanged(Window, ExposedRgn);
             }
             REGION_Delete(ExposedRgn);
         }
         REGION_Delete(VisBefore);
      }

      if (VisAfter != NULL)
      {
         REGION_Delete(VisAfter);
      }
   }

   if (!(WinPos.flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
   {
      if ((Window->style & (WS_CHILD | WS_POPUP)) == WS_CHILD)
      {
         co_IntSendMessageNoWait(WinPos.hwnd, WM_CHILDACTIVATE, 0, 0);
      }
      else
      {
         //ERR("SetWindowPos Set FG Window!\n");
         if ( pti->MessageQueue->spwndActive != Window ||
              pti->MessageQueue != gpqForeground )
         {
            //ERR("WPSWP : set active window\n");
            if (!(Window->state & WNDS_BEINGACTIVATED)) // Inside SAW?
            {
               co_IntSetForegroundWindow(Window); // Fixes SW_HIDE issues. Wine win test_SetActiveWindow & test_SetForegroundWindow.
            }
         }
      }
   }

   if ( !PosChanged &&
         (WinPos.flags & SWP_FRAMECHANGED) &&
        !(WinPos.flags & SWP_DEFERERASE) &&    // Prevent sending WM_SYNCPAINT message. 
         VisAfter )
   {
       PWND Parent = Window->spwndParent;
       if ( !(Window->style & WS_CHILD) && (Parent) && (Parent->style & WS_CLIPCHILDREN))
       {
           TRACE("SWP_FRAMECHANGED Parent WS_CLIPCHILDREN\n");
           UserSyncAndPaintWindows( Parent, RDW_CLIPCHILDREN);
       }
   }

   // Fix wine msg test_SetFocus, prevents sending WM_WINDOWPOSCHANGED.
   if ( VisBefore == NULL &&
        VisBeforeJustClient == NULL &&
       !(Window->ExStyle & WS_EX_TOPMOST) &&
        (WinPos.flags & SWP_AGG_STATUSFLAGS) == (SWP_AGG_NOPOSCHANGE & ~SWP_NOZORDER))
   {
      TRACE("No drawing, set no Z order and no redraw!\n");
      WinPos.flags |= SWP_NOZORDER|SWP_NOREDRAW;
   }

   if(!(flags & SWP_DEFERERASE))
   {
       /* erase parent when hiding or resizing child */
       if ((flags & SWP_HIDEWINDOW) ||
         (!(flags & SWP_SHOWWINDOW) &&
          (WinPos.flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE))
       {
           PWND Parent = Window->spwndParent;
           if (!Parent || UserIsDesktopWindow(Parent)) Parent = Window;
           UserSyncAndPaintWindows( Parent, RDW_ERASENOW);
       }

       /* Give newly shown windows a chance to redraw */
       if(((WinPos.flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE)
                && !(flags & SWP_AGG_NOCLIENTCHANGE) && (flags & SWP_SHOWWINDOW))
       {
           UserSyncAndPaintWindows( Window, RDW_ERASENOW);
       }
   }

   /* And last, send the WM_WINDOWPOSCHANGED message */

   TRACE("\tstatus hwnd %p flags = %04x\n",Window?Window->head.h:NULL,WinPos.flags & SWP_AGG_STATUSFLAGS);

   if (((WinPos.flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE)
            && !((flags & SWP_AGG_NOCLIENTCHANGE) && (flags & SWP_SHOWWINDOW)))
   {
      /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
         and always contains final window position.
       */
      WinPos.x = NewWindowRect.left;
      WinPos.y = NewWindowRect.top;
      WinPos.cx = NewWindowRect.right - NewWindowRect.left;
      WinPos.cy = NewWindowRect.bottom - NewWindowRect.top;
      TRACE("WM_WINDOWPOSCHANGED hwnd %p Flags %04x\n",WinPos.hwnd,WinPos.flags);
      co_IntSendMessageNoWait(WinPos.hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM) &WinPos);
   }

   if ( WinPos.flags & SWP_FRAMECHANGED  || WinPos.flags & SWP_STATECHANGED ||
      !(WinPos.flags & SWP_NOCLIENTSIZE) || !(WinPos.flags & SWP_NOCLIENTMOVE) )
   {
      PWND pWnd = ValidateHwndNoErr(WinPos.hwnd);
      if (pWnd)
         IntNotifyWinEvent(EVENT_OBJECT_LOCATIONCHANGE, pWnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
   }

   if(bPointerInWindow != IntPtInWindow(Window, gpsi->ptCursor.x, gpsi->ptCursor.y))
   {
      /* Generate mouse move message */
      MSG msg;
      msg.message = WM_MOUSEMOVE;
      msg.wParam = UserGetMouseButtonsState();
      msg.lParam = MAKELPARAM(gpsi->ptCursor.x, gpsi->ptCursor.y);
      msg.pt = gpsi->ptCursor;
      co_MsqInsertMouseMessage(&msg, 0, 0, TRUE);
   }

   return TRUE;
}

Referenced by co_IntSendActivateMessages(), co_IntSetForegroundMessageQueue(), co_IntSetParent(), co_IntShowDesktop(), co_UserCreateWindowEx(), co_UserDestroyWindow(), co_UserShowScrollBar(), co_WinPosArrangeIconicWindows(), co_WinPosShowWindow(), DefWndDoSizeMove(), DefWndHandleSetCursor(), DesktopWindowProc(), handle_internal_message(), IntActivateWindow(), IntDefWindowProc(), IntEndDeferWindowPosEx(), IntSetWindowPlacement(), IntUpdateLayeredWindowI(), MENU_ShowPopup(), NC_HandleNCLButtonDblClk(), NtUserCallHwndLock(), NtUserCallTwoParam(), NtUserSetMenu(), NtUserSetShellWindowEx(), NtUserSetWindowPos(), NtUserSetWindowRgn(), SpiNotifyNCMetricsChanged(), and WinPosDoOwnedPopups().

co_WinPosShowWindow()

BOOLEAN FASTCALL co_WinPosShowWindow	(	PWND	Wnd,
		INT	Cmd
	)

Definition at line 2393 of file winpos.c.

{
   BOOLEAN WasVisible;
   UINT Swp = 0, EventMsg = 0;
   RECTL NewPos = {0, 0, 0, 0};
   BOOLEAN ShowFlag;
   LONG style;
   PWND Parent;
   PTHREADINFO pti;
   //HRGN VisibleRgn;
   BOOL ShowOwned = FALSE;
   BOOL FirstTime = FALSE;
   ASSERT_REFS_CO(Wnd);
   //KeRosDumpStackFrames(NULL, 20);
   pti = PsGetCurrentThreadWin32Thread();
   WasVisible = (Wnd->style & WS_VISIBLE) != 0;
   style = Wnd->style;

   TRACE("co_WinPosShowWindow START hwnd %p Cmd %d usicmd %u\n",
         Wnd->head.h, Cmd, pti->ppi->usi.wShowWindow);

   if ( pti->ppi->usi.dwFlags & STARTF_USESHOWWINDOW )
   {
      if ((Wnd->style & (WS_POPUP|WS_CHILD)) != WS_CHILD)
      {
         if ((Wnd->style & WS_CAPTION) == WS_CAPTION)
         {
            if (Wnd->spwndOwner == NULL)
            {
               if ( Cmd == SW_SHOWNORMAL || Cmd == SW_SHOW)
               {
                    Cmd = SW_SHOWDEFAULT;
               }
               FirstTime = TRUE;
               TRACE("co_WPSW FT 1\n");
            }
         }
      }
   }

   if ( Cmd == SW_SHOWDEFAULT )
   {
      if ( pti->ppi->usi.dwFlags & STARTF_USESHOWWINDOW )
      {
         Cmd = pti->ppi->usi.wShowWindow;
         FirstTime = TRUE;
         TRACE("co_WPSW FT 2\n");
      }
   }

   if (FirstTime)
   {
      pti->ppi->usi.dwFlags &= ~(STARTF_USEPOSITION|STARTF_USESIZE|STARTF_USESHOWWINDOW);
   }

   switch (Cmd)
   {
      case SW_HIDE:
         {
            if (!WasVisible)
            {
               //ERR("co_WinPosShowWindow Exit Bad\n");
               return FALSE;
            }
            Swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE;
            if (Wnd != pti->MessageQueue->spwndActive)
               Swp |= SWP_NOACTIVATE | SWP_NOZORDER;
            break;
         }

      case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
      case SW_SHOWMINNOACTIVE:
         Swp |= SWP_NOACTIVATE | SWP_NOZORDER;
         /* Fall through. */
      case SW_SHOWMINIMIZED:
         Swp |= SWP_SHOWWINDOW;
         /* Fall through. */
      case SW_MINIMIZE:
         {
            Swp |= SWP_NOACTIVATE;
            if (!(style & WS_MINIMIZE))
            {
               IntShowOwnedPopups(Wnd, FALSE );
               // Fix wine Win test_SetFocus todo #1 & #2,
               if (Cmd == SW_SHOWMINIMIZED)
               {
                  //ERR("co_WinPosShowWindow Set focus 1\n");
                  if ((style & (WS_CHILD | WS_POPUP)) == WS_CHILD)
                     co_UserSetFocus(Wnd->spwndParent);
                  else
                     co_UserSetFocus(0);
               }

               Swp |= co_WinPosMinMaximize(Wnd, Cmd, &NewPos);

               EventMsg = EVENT_SYSTEM_MINIMIZESTART;
            }
            else
            {
               if (WasVisible)
               {
                  //ERR("co_WinPosShowWindow Exit Good\n");
                  return TRUE;
               }
               Swp |= SWP_NOSIZE | SWP_NOMOVE;
            }
            break;
         }

      case SW_SHOWMAXIMIZED:
         {
            Swp |= SWP_SHOWWINDOW;
            if (!(style & WS_MAXIMIZE))
            {
               ShowOwned = TRUE;

               Swp |= co_WinPosMinMaximize(Wnd, SW_MAXIMIZE, &NewPos);

               EventMsg = EVENT_SYSTEM_MINIMIZEEND;
            }
            else
            {
               if (WasVisible)
               {
                  //ERR("co_WinPosShowWindow Exit Good 1\n");
                  return TRUE;
               }
               Swp |= SWP_NOSIZE | SWP_NOMOVE;
            }
            break;
         }

      case SW_SHOWNA:
         Swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
         if (style & WS_CHILD && !(Wnd->ExStyle & WS_EX_MDICHILD)) Swp |= SWP_NOZORDER;
         break;
      case SW_SHOW:
         if (WasVisible) return(TRUE); // Nothing to do!
         Swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
         /* Don't activate the topmost window. */
         if (style & WS_CHILD && !(Wnd->ExStyle & WS_EX_MDICHILD)) Swp |= SWP_NOACTIVATE | SWP_NOZORDER;
         break;

      case SW_SHOWNOACTIVATE:
         Swp |= SWP_NOACTIVATE | SWP_NOZORDER;
         /* Fall through. */
      case SW_SHOWNORMAL:
      case SW_SHOWDEFAULT:
      case SW_RESTORE:
         if (!WasVisible) Swp |= SWP_SHOWWINDOW;
         if (style & (WS_MINIMIZE | WS_MAXIMIZE))
         {
            Swp |= co_WinPosMinMaximize(Wnd, Cmd, &NewPos);
            if (style & WS_MINIMIZE) EventMsg = EVENT_SYSTEM_MINIMIZEEND;
         }
         else
         {
            if (WasVisible)
            {
               //ERR("co_WinPosShowWindow Exit Good 3\n");
               return TRUE;
            }
            Swp |= SWP_NOSIZE | SWP_NOMOVE;
         }
         if ( style & WS_CHILD &&
             !(Wnd->ExStyle & WS_EX_MDICHILD) &&
             !(Swp & SWP_STATECHANGED))
            Swp |= SWP_NOACTIVATE | SWP_NOZORDER;
         break;

      default:
         //ERR("co_WinPosShowWindow Exit Good 4\n");
         return WasVisible;
   }

   ShowFlag = (Cmd != SW_HIDE);

   if ((ShowFlag != WasVisible || Cmd == SW_SHOWNA) && Cmd != SW_SHOWMAXIMIZED && !(Swp & SWP_STATECHANGED))
   {
      co_IntSendMessageNoWait(Wnd->head.h, WM_SHOWWINDOW, ShowFlag, 0);
#if 0 // Fix wine msg test_SetParent:WmSetParentSeq_1:2
      if (!(Wnd->state2 & WNDS2_WIN31COMPAT)) // <------------- XP sets this bit!
         co_IntSendMessageNoWait(Wnd->head.h, WM_SETVISIBLE, ShowFlag, 0);
#endif
      if (!VerifyWnd(Wnd)) return WasVisible;
   }

   /* We can't activate a child window */
   if ((Wnd->style & WS_CHILD) &&
       !(Wnd->ExStyle & WS_EX_MDICHILD) &&
       Cmd != SW_SHOWNA)
   {
      //ERR("SWP Child No active and ZOrder\n");
      Swp |= SWP_NOACTIVATE | SWP_NOZORDER;
   }

#if 0 // Explorer issues with common controls? Someone does not know how CS_SAVEBITS works.
      // Breaks startup and shutdown active window...
   if ((Wnd->style & (WS_POPUP|WS_CHILD)) != WS_CHILD &&
        Wnd->pcls->style & CS_SAVEBITS &&
        ((Cmd == SW_SHOW) || (Cmd == SW_NORMAL)))
   {
      ERR("WinPosShowWindow Set active\n");
      //UserSetActiveWindow(Wnd);
      co_IntSetForegroundWindow(Wnd); // HACK
      Swp |= SWP_NOACTIVATE | SWP_NOZORDER;
   }
#endif

   if (IsChildVisible(Wnd) || Swp & SWP_STATECHANGED)
   {
       TRACE("Child is Vis %s or State changed %s. ShowFlag %s Swp %04x\n",
             (IsChildVisible(Wnd) ? "TRUE" : "FALSE"), (Swp & SWP_STATECHANGED ? "TRUE" : "FALSE"),
             (ShowFlag ? "TRUE" : "FALSE"),LOWORD(Swp));
   co_WinPosSetWindowPos( Wnd,
                          0 != (Wnd->ExStyle & WS_EX_TOPMOST) ? HWND_TOPMOST : HWND_TOP,
                          NewPos.left,
                          NewPos.top,
                          NewPos.right, // NewPos.right - NewPos.left, when minimized and restore, the window becomes smaller.
                          NewPos.bottom,// NewPos.bottom - NewPos.top,
                          LOWORD(Swp));
   }
   else
   {
      TRACE("Parent Vis?\n");
      /* if parent is not visible simply toggle WS_VISIBLE and return */
      if (ShowFlag) IntSetStyle( Wnd, WS_VISIBLE, 0 );
      else IntSetStyle( Wnd, 0, WS_VISIBLE );
   }

   if ( EventMsg ) IntNotifyWinEvent(EventMsg, Wnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);

   if ( ShowOwned ) IntShowOwnedPopups(Wnd, TRUE );

   if ((Cmd == SW_HIDE) || (Cmd == SW_MINIMIZE))
   {
      if ( Wnd == pti->MessageQueue->spwndActive && pti->MessageQueue == IntGetFocusMessageQueue()  )
      {
          if (UserIsDesktopWindow(Wnd->spwndParent))
          {
              if (!ActivateOtherWindowMin(Wnd))
              {
                co_WinPosActivateOtherWindow(Wnd);
              }
          }
          else
          {
              co_WinPosActivateOtherWindow(Wnd);
          }
      }

      /* Revert focus to parent */
      if (Wnd == pti->MessageQueue->spwndFocus)
      {
         Parent = Wnd->spwndParent;
         if (UserIsDesktopWindow(Wnd->spwndParent))
             Parent = 0;
         co_UserSetFocus(Parent);
      }
      // Hide, just return.
      if (Cmd == SW_HIDE) return WasVisible;
   }

   /* FIXME: Check for window destruction. */

   if ((Wnd->state & WNDS_SENDSIZEMOVEMSGS) &&
       !(Wnd->state2 & WNDS2_INDESTROY))
   {
        co_WinPosSendSizeMove(Wnd);
   }

   /* if previous state was minimized Windows sets focus to the window */
   if (style & WS_MINIMIZE)
   {
      co_UserSetFocus(Wnd);
      // Fix wine Win test_SetFocus todo #3,
      if (!(style & WS_CHILD)) co_IntSendMessage(UserHMGetHandle(Wnd), WM_ACTIVATE, WA_ACTIVE, 0);
   }
   //ERR("co_WinPosShowWindow EXIT\n");
   return WasVisible;
}

Referenced by co_IntSetParent(), co_UserCreateWindowEx(), co_UserDestroyWindow(), co_UserShowScrollBar(), DefWndHandleSysCommand(), handle_internal_message(), IntDefWindowProc(), IntSetWindowPlacement(), NtUserMinMaximize(), and NtUserShowWindow().

co_WinPosWindowFromPoint()

PWND APIENTRY co_WinPosWindowFromPoint	(	IN PWND	ScopeWin,
		IN POINT *	WinPoint,
		IN OUT USHORT *	HitTest,
		IN BOOL	Ignore
	)

Definition at line 2761 of file winpos.c.

{
   PWND Window;
   POINT Point = *WinPoint;
   USER_REFERENCE_ENTRY Ref;

   if( ScopeWin == NULL )
   {
       ScopeWin = UserGetDesktopWindow();
       if(ScopeWin == NULL)
           return NULL;
   }

   *HitTest = HTNOWHERE;

   ASSERT_REFS_CO(ScopeWin);
   UserRefObjectCo(ScopeWin, &Ref);

   Window = co_WinPosSearchChildren(ScopeWin, &Point, HitTest, Ignore);

   UserDerefObjectCo(ScopeWin);
   if (Window)
       ASSERT_REFS_CO(Window);
   ASSERT_REFS_CO(ScopeWin);

   return Window;
}

Referenced by co_IntProcessMouseMessage(), and NtUserWindowFromPoint().

DBG_DEFAULT_CHANNEL()

DBG_DEFAULT_CHANNEL

(

UserWinpos

)

FixClientRect()

static VOID FASTCALL FixClientRect ( PRECTL  ClientRect, PRECTL  WindowRect  )

static

Definition at line 1071 of file winpos.c.

{
   if (ClientRect->left < WindowRect->left)
   {
      ClientRect->left = WindowRect->left;
   }
   else if (WindowRect->right < ClientRect->left)
   {
      ClientRect->left = WindowRect->right;
   }
   if (ClientRect->right < WindowRect->left)
   {
      ClientRect->right = WindowRect->left;
   }
   else if (WindowRect->right < ClientRect->right)
   {
      ClientRect->right = WindowRect->right;
   }
   if (ClientRect->top < WindowRect->top)
   {
      ClientRect->top = WindowRect->top;
   }
   else if (WindowRect->bottom < ClientRect->top)
   {
      ClientRect->top = WindowRect->bottom;
   }
   if (ClientRect->bottom < WindowRect->top)
   {
      ClientRect->bottom = WindowRect->top;
   }
   else if (WindowRect->bottom < ClientRect->bottom)
   {
      ClientRect->bottom = WindowRect->bottom;
   }
}

Referenced by co_WinPosDoNCCALCSize(), and co_WinPosGetNonClientSize().

get_valid_rects()

static VOID FASTCALL get_valid_rects ( RECTL *  old_client, RECTL *  new_client, UINT  flags, RECTL *  valid  )

static

Definition at line 1114 of file winpos.c.

{
    int cx, cy;

    if (flags & WVR_REDRAW)
    {
        RECTL_vSetEmptyRect( &valid[0] );
        RECTL_vSetEmptyRect( &valid[1] );
        return;
    }

    if (flags & WVR_VALIDRECTS)
    {
        if (!RECTL_bIntersectRect( &valid[0], &valid[0], new_client ) ||
            !RECTL_bIntersectRect( &valid[1], &valid[1], old_client ))
        {
            RECTL_vSetEmptyRect( &valid[0] );
            RECTL_vSetEmptyRect( &valid[1] );
            return;
        }
        flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
    }
    else
    {
        valid[0] = *new_client;
        valid[1] = *old_client;
    }

    /* make sure the rectangles have the same size */
    cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
    cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );

    if (flags & WVR_ALIGNBOTTOM)
    {
        valid[0].top = valid[0].bottom - cy;
        valid[1].top = valid[1].bottom - cy;
    }
    else
    {
        valid[0].bottom = valid[0].top + cy;
        valid[1].bottom = valid[1].top + cy;
    }
    if (flags & WVR_ALIGNRIGHT)
    {
        valid[0].left = valid[0].right - cx;
        valid[1].left = valid[1].right - cx;
    }
    else
    {
        valid[0].right = valid[0].left + cx;
        valid[1].right = valid[1].left + cx;
    }
}

Referenced by co_WinPosDoNCCALCSize().

IntChildWindowFromPointEx()

PWND APIENTRY IntChildWindowFromPointEx	(	PWND	Parent,
		LONG	x,
		LONG	y,
		UINT	uiFlags
	)

Definition at line 2836 of file winpos.c.

{
   POINTL Pt;
   HWND *List, *phWnd;
   PWND pwndHit = NULL;

   Pt.x = x;
   Pt.y = y;

   if (!UserIsDesktopWindow(Parent))
   {
      if (Parent->ExStyle & WS_EX_LAYOUTRTL)
         Pt.x = Parent->rcClient.right - Pt.x;
      else
         Pt.x += Parent->rcClient.left;
      Pt.y += Parent->rcClient.top;
   }

   if (!IntPtInWindow(Parent, Pt.x, Pt.y)) return NULL;

   if ((List = IntWinListChildren(Parent)))
   {
      for (phWnd = List; *phWnd; phWnd++)
      {
         PWND Child;
         if ((Child = ValidateHwndNoErr(*phWnd)))
         {
            if (uiFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
            {
               if (!(Child->style & WS_VISIBLE) && (uiFlags & CWP_SKIPINVISIBLE)) continue;
               if ((Child->style & WS_DISABLED) && (uiFlags & CWP_SKIPDISABLED)) continue;
            }

            if (uiFlags & CWP_SKIPTRANSPARENT)
            {
               if (Child->ExStyle & WS_EX_TRANSPARENT) continue;
            }

            if (IntPtInWindow(Child, Pt.x, Pt.y))
            {
               pwndHit = Child;
               break;
            }
         }
      }
      ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
   }
   return pwndHit ? pwndHit : Parent;
}

Referenced by NtUserChildWindowFromPointEx().

IntClientToScreen()

BOOL FASTCALL IntClientToScreen	(	PWND	Wnd,
		LPPOINT	lpPoint
	)

Definition at line 198 of file winpos.c.

{
   if (Wnd && Wnd->fnid != FNID_DESKTOP )
   {
      if (Wnd->ExStyle & WS_EX_LAYOUTRTL)
         lpPoint->x = Wnd->rcClient.right - lpPoint->x;
      else
         lpPoint->x += Wnd->rcClient.left;
      lpPoint->y += Wnd->rcClient.top;
   }
   return TRUE;
}

Referenced by IntDefWindowProc(), NC_GetSysPopupPos(), and WinPosFixupFlags().

IntDeferWindowPos()

HDWP FASTCALL IntDeferWindowPos	(	HDWP	hdwp,
		HWND	hwnd,
		HWND	hwndAfter,
		INT	x,
		INT	y,
		INT	cx,
		INT	cy,
		UINT	flags
	)

Definition at line 2888 of file winpos.c.

{
    PSMWP pDWP;
    int i;
    HDWP retvalue = hdwp;

    TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
          hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);

    if (flags & ~(SWP_NOSIZE | SWP_NOMOVE |
                  SWP_NOZORDER | SWP_NOREDRAW |
                  SWP_NOACTIVATE | SWP_NOCOPYBITS |
                  SWP_NOOWNERZORDER|SWP_SHOWWINDOW |
                  SWP_HIDEWINDOW | SWP_FRAMECHANGED))
    {
       EngSetLastError(ERROR_INVALID_PARAMETER);
       return NULL;
    }

    if (!(pDWP = (PSMWP)UserGetObject(gHandleTable, hdwp, TYPE_SETWINDOWPOS)))
    {
       EngSetLastError(ERROR_INVALID_DWP_HANDLE);
       return NULL;
    }

    for (i = 0; i < pDWP->ccvr; i++)
    {
        if (pDWP->acvr[i].pos.hwnd == hwnd)
        {
              /* Merge with the other changes */
            if (!(flags & SWP_NOZORDER))
            {
                pDWP->acvr[i].pos.hwndInsertAfter = hwndAfter;
            }
            if (!(flags & SWP_NOMOVE))
            {
                pDWP->acvr[i].pos.x = x;
                pDWP->acvr[i].pos.y = y;
            }
            if (!(flags & SWP_NOSIZE))
            {
                pDWP->acvr[i].pos.cx = cx;
                pDWP->acvr[i].pos.cy = cy;
            }
            pDWP->acvr[i].pos.flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
                                               SWP_NOZORDER | SWP_NOREDRAW |
                                               SWP_NOACTIVATE | SWP_NOCOPYBITS|
                                               SWP_NOOWNERZORDER);
            pDWP->acvr[i].pos.flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
                                              SWP_FRAMECHANGED);
            goto END;
        }
    }
    if (pDWP->ccvr >= pDWP->ccvrAlloc)
    {
        PCVR newpos = ExAllocatePoolWithTag(PagedPool, pDWP->ccvrAlloc * 2 * sizeof(CVR), USERTAG_SWP);
        if (!newpos)
        {
            retvalue = NULL;
            goto END;
        }
        RtlZeroMemory(newpos, pDWP->ccvrAlloc * 2 * sizeof(CVR));
        RtlCopyMemory(newpos, pDWP->acvr, pDWP->ccvrAlloc * sizeof(CVR));
        ExFreePoolWithTag(pDWP->acvr, USERTAG_SWP);
        pDWP->ccvrAlloc *= 2;
        pDWP->acvr = newpos;
    }
    pDWP->acvr[pDWP->ccvr].pos.hwnd = hwnd;
    pDWP->acvr[pDWP->ccvr].pos.hwndInsertAfter = hwndAfter;
    pDWP->acvr[pDWP->ccvr].pos.x = x;
    pDWP->acvr[pDWP->ccvr].pos.y = y;
    pDWP->acvr[pDWP->ccvr].pos.cx = cx;
    pDWP->acvr[pDWP->ccvr].pos.cy = cy;
    pDWP->acvr[pDWP->ccvr].pos.flags = flags;
    pDWP->acvr[pDWP->ccvr].hrgnClip = NULL;
    pDWP->acvr[pDWP->ccvr].hrgnInterMonitor = NULL;
    pDWP->ccvr++;
END:
    return retvalue;
}

Referenced by NtUserDeferWindowPos().

IntEndDeferWindowPosEx()

BOOL FASTCALL IntEndDeferWindowPosEx	(	HDWP	hdwp,
		BOOL	sAsync
	)

Definition at line 2976 of file winpos.c.

{
    PSMWP pDWP;
    PCVR winpos;
    BOOL res = TRUE;
    int i;

    TRACE("%p\n", hdwp);

    if (!(pDWP = (PSMWP)UserGetObject(gHandleTable, hdwp, TYPE_SETWINDOWPOS)))
    {
       EngSetLastError(ERROR_INVALID_DWP_HANDLE);
       return FALSE;
    }

    for (i = 0, winpos = pDWP->acvr; res && i < pDWP->ccvr; i++, winpos++)
    {
        PWND pwnd;
        USER_REFERENCE_ENTRY Ref;

        TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
               winpos->pos.hwnd, winpos->pos.hwndInsertAfter, winpos->pos.x, winpos->pos.y,
               winpos->pos.cx, winpos->pos.cy, winpos->pos.flags);

        pwnd = ValidateHwndNoErr(winpos->pos.hwnd);
        if (!pwnd)
           continue;

        UserRefObjectCo(pwnd, &Ref);

        if ( sAsync )
        {
           LRESULT lRes;
           PWINDOWPOS ppos = ExAllocatePoolWithTag(PagedPool, sizeof(WINDOWPOS), USERTAG_SWP);
           if ( ppos )
           {
              *ppos = winpos->pos;
              /* Yes it's a pointer inside Win32k! */
              lRes = co_IntSendMessageNoWait( winpos->pos.hwnd, WM_ASYNC_SETWINDOWPOS, 0, (LPARAM)ppos);
              /* We handle this the same way as Event Hooks and Hooks. */
              if ( !lRes )
              {
                 ExFreePoolWithTag(ppos, USERTAG_SWP);
              }
           }
        }
        else
           res = co_WinPosSetWindowPos( pwnd,
                                        winpos->pos.hwndInsertAfter,
                                        winpos->pos.x,
                                        winpos->pos.y,
                                        winpos->pos.cx,
                                        winpos->pos.cy,
                                        winpos->pos.flags);

        // Hack to pass tests.... Must have some work to do so clear the error.
        if (res && (winpos->pos.flags & (SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER)) == SWP_NOZORDER )
           EngSetLastError(ERROR_SUCCESS);

        UserDerefObjectCo(pwnd);
    }
    ExFreePoolWithTag(pDWP->acvr, USERTAG_SWP);
    UserDereferenceObject(pDWP);
    UserDeleteObject(hdwp, TYPE_SETWINDOWPOS);
    return res;
}

Referenced by NtUserEndDeferWindowPosEx().

IntGetClientOrigin()

BOOL FASTCALL IntGetClientOrigin	(	PWND Window	OPTIONAL,
		LPPOINT	Point
	)

Definition at line 70 of file winpos.c.

{
   Window = Window ? Window : UserGetDesktopWindow();
   if (Window == NULL)
   {
      Point->x = Point->y = 0;
      return FALSE;
   }
   Point->x = Window->rcClient.left;
   Point->y = Window->rcClient.top;

   return TRUE;
}

Referenced by co_IntFixCaret(), and IntScrollWindowEx().

IntGetClientRect()

VOID FASTCALL IntGetClientRect	(	PWND	Wnd,
		RECTL *	Rect
	)

Internal function. Returns client window rectangle relative to the upper-left corner of client area.

Note

Does not check the validity of the parameters

Definition at line 91 of file winpos.c.

{
   ASSERT( Wnd );
   ASSERT( Rect );
   if (Wnd->style & WS_MINIMIZED)
   {
      Rect->left = Rect->top = 0;
      Rect->right = UserGetSystemMetrics(SM_CXMINIMIZED);
      Rect->bottom = UserGetSystemMetrics(SM_CYMINIMIZED);
      return;
   }
   if (!UserIsDesktopWindow(Wnd))
   {
      *Rect = Wnd->rcClient;
      RECTL_vOffsetRect(Rect, -Wnd->rcClient.left, -Wnd->rcClient.top);
   }
   else
   {
      Rect->left = Rect->top = 0;
      Rect->right  = Wnd->rcClient.right;
      Rect->bottom = Wnd->rcClient.bottom;
   /* Do this until Init bug is fixed. This sets 640x480, see InitMetrics.
      Rect->right  = UserGetSystemMetrics(SM_CXSCREEN);
      Rect->bottom = UserGetSystemMetrics(SM_CYSCREEN);
   */
   }
}

Referenced by co_IntDrawCaret(), co_WinPosArrangeIconicWindows(), co_WinPosGetMinMaxInfo(), co_WinPosSendSizeMove(), DefWndDoSizeMove(), DefWndHandleWindowPosChanged(), IntBeginPaint(), IntCalculateThumb(), IntDefWindowProc(), IntFillWindow(), IntGetScrollBarRect(), IntScrollWindowEx(), MENU_DrawPopupMenu(), MENU_EnsureMenuItemVisible(), NC_DoNCPaint(), and WinPosFindIconPos().

IntGetLastTopMostWindow()

PWND FASTCALL IntGetLastTopMostWindow

(

VOID

)

Definition at line 237 of file winpos.c.

{
    PWND pWnd;
    PDESKTOP rpdesk = gptiCurrent->rpdesk;

    if ( rpdesk &&
        (pWnd = rpdesk->pDeskInfo->spwnd->spwndChild) &&
         pWnd->ExStyle & WS_EX_TOPMOST)
    {
        for (;;)
        {
           if (!pWnd->spwndNext) break;
           if (!(pWnd->spwndNext->ExStyle & WS_EX_TOPMOST)) break;
           pWnd = pWnd->spwndNext;
        }
        return pWnd;
    }
    return NULL;
}

Referenced by ActivateOtherWindowMin().

IntGetWindowBorderMeasures()

VOID FASTCALL IntGetWindowBorderMeasures	(	PWND	Wnd,
		UINT *	cx,
		UINT *	cy
	)

Definition at line 858 of file winpos.c.

{
   if(HAS_DLGFRAME(Wnd->style, Wnd->ExStyle) && !(Wnd->style & WS_MINIMIZE))
   {
      *cx = UserGetSystemMetrics(SM_CXDLGFRAME);
      *cy = UserGetSystemMetrics(SM_CYDLGFRAME);
   }
   else
   {
      if(HAS_THICKFRAME(Wnd->style, Wnd->ExStyle)&& !(Wnd->style & WS_MINIMIZE))
      {
         *cx = UserGetSystemMetrics(SM_CXFRAME);
         *cy = UserGetSystemMetrics(SM_CYFRAME);
      }
      else if(HAS_THINFRAME(Wnd->style, Wnd->ExStyle))
      {
         *cx = UserGetSystemMetrics(SM_CXBORDER);
         *cy = UserGetSystemMetrics(SM_CYBORDER);
      }
      else
      {
         *cx = *cy = 0;
      }
   }
}

IntGetWindowPlacement()

BOOL FASTCALL IntGetWindowPlacement	(	PWND	Wnd,
		WINDOWPLACEMENT *	lpwndpl
	)

Definition at line 556 of file winpos.c.

{
   if (!Wnd) return FALSE;

   if(lpwndpl->length != sizeof(WINDOWPLACEMENT))
   {
      return FALSE;
   }

   lpwndpl->flags = 0;

   WinPosInitInternalPos(Wnd, &Wnd->rcWindow);

   lpwndpl->showCmd = SW_HIDE;

   if ( Wnd->style & WS_MINIMIZE )
      lpwndpl->showCmd = SW_SHOWMINIMIZED;
   else
      lpwndpl->showCmd = ( Wnd->style & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;

   lpwndpl->rcNormalPosition = Wnd->InternalPos.NormalRect;

   if (Wnd->InternalPos.flags & WPF_MININIT) // Return if it was set!
   {
      lpwndpl->ptMinPosition.x = Wnd->InternalPos.IconPos.x;
      lpwndpl->ptMinPosition.y = Wnd->InternalPos.IconPos.y;
   }
   else
      lpwndpl->ptMinPosition.x = lpwndpl->ptMinPosition.y = -1;

   if ( Wnd->InternalPos.flags & WPF_MAXINIT && // Return if set and not maximized to monitor!
        !(Wnd->state & WNDS_MAXIMIZESTOMONITOR))
   {
      lpwndpl->ptMaxPosition.x = Wnd->InternalPos.MaxPos.x;
      lpwndpl->ptMaxPosition.y = Wnd->InternalPos.MaxPos.y;
   }
   else
      lpwndpl->ptMaxPosition.x = lpwndpl->ptMaxPosition.y = -1;

   if ( Wnd->spwndParent == Wnd->head.rpdesk->pDeskInfo->spwnd &&
       !(Wnd->ExStyle & WS_EX_TOOLWINDOW))
   {
      PMONITOR pmonitor = UserMonitorFromRect(&lpwndpl->rcNormalPosition, MONITOR_DEFAULTTOPRIMARY );

      // FIXME: support DPI aware, rcWorkDPI/Real etc..
      if (Wnd->InternalPos.flags & WPF_MININIT)
      {
         lpwndpl->ptMinPosition.x -= (pmonitor->rcWork.left - pmonitor->rcMonitor.left);
         lpwndpl->ptMinPosition.y -= (pmonitor->rcWork.top - pmonitor->rcMonitor.top);
      }
      RECTL_vOffsetRect(&lpwndpl->rcNormalPosition,
                         pmonitor->rcMonitor.left - pmonitor->rcWork.left,
                         pmonitor->rcMonitor.top  - pmonitor->rcWork.top);
   }

   if ( Wnd->InternalPos.flags & WPF_RESTORETOMAXIMIZED || Wnd->style & WS_MAXIMIZE )
      lpwndpl->flags |= WPF_RESTORETOMAXIMIZED;

   if ( ((Wnd->style & (WS_CHILD|WS_POPUP)) == WS_CHILD) && Wnd->InternalPos.flags & WPF_SETMINPOSITION)
      lpwndpl->flags |= WPF_SETMINPOSITION;

   return TRUE;
}

Referenced by co_WinPosMinMaximize(), NtUserGetInternalWindowPos(), and NtUserGetWindowPlacement().

IntGetWindowRect()

BOOL FASTCALL IntGetWindowRect	(	PWND	Wnd,
		RECTL *	Rect
	)

Definition at line 120 of file winpos.c.

{
   ASSERT( Wnd );
   ASSERT( Rect );
   if (!Wnd) return FALSE;
   if (!UserIsDesktopWindow(Wnd))
   {
       *Rect = Wnd->rcWindow;
   }
   else
   {
       Rect->left = Rect->top = 0;
       Rect->right = Wnd->rcWindow.right;
       Rect->bottom = Wnd->rcWindow.bottom;
/* Do this until Init bug is fixed. This sets 640x480, see InitMetrics.
       Rect->right = GetSystemMetrics(SM_CXSCREEN);
       Rect->bottom = GetSystemMetrics(SM_CYSCREEN);
*/   }
   return TRUE;
}

Referenced by DefWndScreenshot(), IntGetNCUpdateRgn(), MENU_FindItemByCoords(), MENU_ShowSubPopup(), NC_DoNCPaint(), NC_GetSysPopupPos(), UserDrawCaptionBar(), and UserDrawCaptionButtonWnd().

IntMapWindowPoints()

INT FASTCALL IntMapWindowPoints	(	PWND	FromWnd,
		PWND	ToWnd,
		LPPOINT	lpPoints,
		UINT	cPoints
	)

Definition at line 143 of file winpos.c.

{
    BOOL mirror_from, mirror_to;
    POINT Delta;
    UINT i;
    int Change = 1;

    /* Note: Desktop Top and Left is always 0! */
    Delta.x = Delta.y = 0;
    mirror_from = mirror_to = FALSE;

    if (FromWnd && !UserIsDesktopWindow(FromWnd))
    {
       if (FromWnd->ExStyle & WS_EX_LAYOUTRTL)
       {
          mirror_from = TRUE;
          Change = -Change;
          Delta.x = -FromWnd->rcClient.right;
       }
       else
          Delta.x = FromWnd->rcClient.left;
       Delta.y = FromWnd->rcClient.top;
    }

    if (ToWnd && !UserIsDesktopWindow(ToWnd))
    {
       if (ToWnd->ExStyle & WS_EX_LAYOUTRTL)
       {
          mirror_to = TRUE;
          Change = -Change;
          Delta.x += Change * ToWnd->rcClient.right;
       }
       else
          Delta.x -= Change * ToWnd->rcClient.left;
       Delta.y -= ToWnd->rcClient.top;
    }

    for (i = 0; i != cPoints; i++)
    {
        lpPoints[i].x += Delta.x;
        lpPoints[i].x *= Change;
        lpPoints[i].y += Delta.y;
    }

    if ((mirror_from || mirror_to) && cPoints == 2)  /* special case for rectangle */
    {
       int tmp = min(lpPoints[0].x, lpPoints[1].x);
       lpPoints[1].x = max(lpPoints[0].x, lpPoints[1].x);
       lpPoints[0].x = tmp;
    }

    return MAKELONG(LOWORD(Delta.x), LOWORD(Delta.y));
}

Referenced by DefWndDoSizeMove(), and DefWndHandleWindowPosChanged().

IntRealChildWindowFromPoint()

PWND FASTCALL IntRealChildWindowFromPoint	(	PWND	Parent,
		LONG	x,
		LONG	y
	)

Definition at line 2794 of file winpos.c.

{
   POINTL Pt;
   HWND *List, *phWnd;
   PWND pwndHit = NULL;

   Pt.x = x;
   Pt.y = y;

   if (!UserIsDesktopWindow(Parent))
   {
      Pt.x += Parent->rcClient.left;
      Pt.y += Parent->rcClient.top;
   }

   if (!IntPtInWindow(Parent, Pt.x, Pt.y)) return NULL;

   if ((List = IntWinListChildren(Parent)))
   {
      for (phWnd = List; *phWnd; phWnd++)
      {
         PWND Child;
         if ((Child = ValidateHwndNoErr(*phWnd)))
         {
            if ( Child->style & WS_VISIBLE && IntPtInWindow(Child, Pt.x, Pt.y) )
            {
               if ( Child->pcls->atomClassName != gpsi->atomSysClass[ICLS_BUTTON] ||
                   (Child->style & BS_TYPEMASK) != BS_GROUPBOX )
               {
                  ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
                  return Child;
               }
               pwndHit = Child;
            }
         }
      }
      ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
   }
   return pwndHit ? pwndHit : Parent;
}

Referenced by NtUserRealChildWindowFromPoint().

IntScreenToClient()

BOOL FASTCALL IntScreenToClient	(	PWND	Wnd,
		LPPOINT	lpPoint
	)

Definition at line 212 of file winpos.c.

{
    if (Wnd && Wnd->fnid != FNID_DESKTOP )
    {
       if (Wnd->ExStyle & WS_EX_LAYOUTRTL)
          lpPoint->x = Wnd->rcClient.right - lpPoint->x;
       else
          lpPoint->x -= Wnd->rcClient.left;
       lpPoint->y -= Wnd->rcClient.top;
    }
    return TRUE;
}

Referenced by co_IntSetParent(), IntDefWindowProc(), and MENU_TrackMouseMenuBar().

IntSetWindowPlacement()

BOOL FASTCALL IntSetWindowPlacement	(	PWND	Wnd,
		WINDOWPLACEMENT *	wpl,
		UINT	Flags
	)

Definition at line 662 of file winpos.c.

{
   BOOL sAsync;
   UINT SWP_Flags;

   if ( Flags & PLACE_MIN) make_point_onscreen( &wpl->ptMinPosition );
   if ( Flags & PLACE_MAX) make_point_onscreen( &wpl->ptMaxPosition );
   if ( Flags & PLACE_RECT) make_rect_onscreen( &wpl->rcNormalPosition );

   if (!Wnd || Wnd == Wnd->head.rpdesk->pDeskInfo->spwnd) return FALSE;

   if ( Flags & PLACE_MIN ) Wnd->InternalPos.IconPos = wpl->ptMinPosition;
   if ( Flags & PLACE_MAX ) Wnd->InternalPos.MaxPos = wpl->ptMaxPosition;
   if ( Flags & PLACE_RECT) Wnd->InternalPos.NormalRect = wpl->rcNormalPosition;

   SWP_Flags = SWP_NOZORDER | SWP_NOACTIVATE | ((wpl->flags & WPF_ASYNCWINDOWPLACEMENT) ? SWP_ASYNCWINDOWPOS : 0);

   if (Wnd->style & WS_MINIMIZE )
   {
      if (Flags & PLACE_MIN || Wnd->InternalPos.flags & WPF_SETMINPOSITION)
      {
         co_WinPosSetWindowPos(Wnd, HWND_TOP,
                               wpl->ptMinPosition.x, wpl->ptMinPosition.y, 0, 0,
                               SWP_NOSIZE | SWP_Flags);
         Wnd->InternalPos.flags |= WPF_MININIT;
      }
   }
   else if (Wnd->style & WS_MAXIMIZE )
   {
      if (Flags & PLACE_MAX)
      {
         co_WinPosSetWindowPos(Wnd, HWND_TOP,
                               wpl->ptMaxPosition.x, wpl->ptMaxPosition.y, 0, 0,
                               SWP_NOSIZE | SWP_Flags);
         Wnd->InternalPos.flags |= WPF_MAXINIT;
      }
   }
   else if (Flags & PLACE_RECT)
   {
      co_WinPosSetWindowPos(Wnd, HWND_TOP,
                            wpl->rcNormalPosition.left, wpl->rcNormalPosition.top,
                            wpl->rcNormalPosition.right - wpl->rcNormalPosition.left,
                            wpl->rcNormalPosition.bottom - wpl->rcNormalPosition.top,
                            SWP_Flags);
   }

   sAsync = (Wnd->head.pti->MessageQueue != gptiCurrent->MessageQueue && wpl->flags & WPF_ASYNCWINDOWPLACEMENT);

   if ( sAsync )
      co_IntSendMessageNoWait( UserHMGetHandle(Wnd), WM_ASYNC_SHOWWINDOW, wpl->showCmd, 0 );
   else
      co_WinPosShowWindow(Wnd, wpl->showCmd);

   if ( Wnd->style & WS_MINIMIZE && !sAsync )
   {
      if ( wpl->flags & WPF_SETMINPOSITION )
         Wnd->InternalPos.flags |= WPF_SETMINPOSITION;

      if ( wpl->flags & WPF_RESTORETOMAXIMIZED )
         Wnd->InternalPos.flags |= WPF_RESTORETOMAXIMIZED;
   }
   return TRUE;
}

Referenced by NtUserSetInternalWindowPos(), and NtUserSetWindowPlacement().

IntValidateParent()

static BOOL IntValidateParent ( PWND  Child, PREGION  ValidateRgn  )

static

Definition at line 1039 of file winpos.c.

{
   PWND ParentWnd = Child;

   if (ParentWnd->style & WS_CHILD)
   {
      do
         ParentWnd = ParentWnd->spwndParent;
      while (ParentWnd->style & WS_CHILD);
   }

   ParentWnd = Child->spwndParent;
   while (ParentWnd)
   {
      if (ParentWnd->style & WS_CLIPCHILDREN)
         break;

      if (ParentWnd->hrgnUpdate != 0)
      {
         IntInvalidateWindows( ParentWnd,
                               ValidateRgn,
                               RDW_VALIDATE | RDW_NOCHILDREN);
      }

      ParentWnd = ParentWnd->spwndParent;
   }

   return TRUE;
}

Referenced by co_WinPosSetWindowPos().

IsChildVisible()

BOOL FASTCALL IsChildVisible

(

PWND

pWnd

)

Definition at line 225 of file winpos.c.

{
    do
    {
        if ( (pWnd->style & (WS_POPUP|WS_CHILD)) != WS_CHILD ||
            !(pWnd = pWnd->spwndParent) )
           return TRUE;
    }
    while (pWnd->style & WS_VISIBLE);
    return FALSE;
}

Referenced by co_WinPosShowWindow().

make_point_onscreen()

static void make_point_onscreen ( POINT *  pt )

static

Definition at line 651 of file winpos.c.

{
    RECT rect;

    RECTL_vSetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 );
    make_rect_onscreen( &rect );
    pt->x = rect.left;
    pt->y = rect.top;
}

Referenced by IntSetWindowPlacement().

make_rect_onscreen()

static void make_rect_onscreen ( RECT *  rect )

static

Definition at line 621 of file winpos.c.

{
    PMONITOR pmonitor = UserMonitorFromRect( rect, MONITOR_DEFAULTTONEAREST ); // Wine uses this.

    //  FIXME: support DPI aware, rcWorkDPI/Real etc..
    if (!pmonitor) return;
    /* FIXME: map coordinates from rcWork to rcMonitor */
    if (rect->right <= pmonitor->rcWork.left)
    {
        rect->right += pmonitor->rcWork.left - rect->left;
        rect->left = pmonitor->rcWork.left;
    }
    else if (rect->left >= pmonitor->rcWork.right)
    {
        rect->left += pmonitor->rcWork.right - rect->right;
        rect->right = pmonitor->rcWork.right;
    }
    if (rect->bottom <= pmonitor->rcWork.top)
    {
        rect->bottom += pmonitor->rcWork.top - rect->top;
        rect->top = pmonitor->rcWork.top;
    }
    else if (rect->top >= pmonitor->rcWork.bottom)
    {
        rect->top += pmonitor->rcWork.bottom - rect->bottom;
        rect->bottom = pmonitor->rcWork.bottom;
    }
}

Referenced by IntSetWindowPlacement(), and make_point_onscreen().

NtUserChildWindowFromPointEx()

HWND APIENTRY NtUserChildWindowFromPointEx	(	HWND	hwndParent,
		LONG	x,
		LONG	y,
		UINT	uiFlags
	)

Definition at line 3047 of file winpos.c.

{
   PWND pwndParent;
   TRACE("Enter NtUserChildWindowFromPointEx\n");