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reactos/subsystems/win32/win32k/ntuser/winpos.c
Jérôme Gardou 4170ce0625 sync with trunk r47346 
svn path=/branches/reactos-yarotows/; revision=47347
2010-05-25 10:27:42 +00:00

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/*
* ReactOS W32 Subsystem
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: Windows
* FILE: subsys/win32k/ntuser/window.c
* PROGRAMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
* REVISION HISTORY:
* 06-06-2001 CSH NtGdid
*/
/* INCLUDES ******************************************************************/
#include <win32k.h>
#define NDEBUG
#include <debug.h>
VOID FASTCALL
co_IntPaintWindows(PWINDOW_OBJECT Window, ULONG Flags, BOOL Recurse);
BOOL FASTCALL
IntValidateParent(PWINDOW_OBJECT Child, HRGN hValidateRgn, BOOL Recurse);
/* GLOBALS *******************************************************************/
#define MINMAX_NOSWP (0x00010000)
#define SWP_EX_NOCOPY 0x0001
#define SWP_EX_PAINTSELF 0x0002
#define SWP_AGG_NOGEOMETRYCHANGE \
(SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE)
#define SWP_AGG_NOPOSCHANGE \
(SWP_AGG_NOGEOMETRYCHANGE | SWP_NOZORDER)
#define SWP_AGG_STATUSFLAGS \
(SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW)
/* FUNCTIONS *****************************************************************/
BOOL FASTCALL
IntGetClientOrigin(PWINDOW_OBJECT Window OPTIONAL, LPPOINT Point)
{
Window = Window ? Window : UserGetWindowObject(IntGetDesktopWindow());
if (Window == NULL)
{
Point->x = Point->y = 0;
return FALSE;
}
Point->x = Window->Wnd->rcClient.left;
Point->y = Window->Wnd->rcClient.top;
return TRUE;
}
BOOL FASTCALL
UserGetClientOrigin(PWINDOW_OBJECT Window, LPPOINT Point)
{
BOOL Ret;
POINT pt;
NTSTATUS Status;
if(!Point)
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return FALSE;
}
Ret = IntGetClientOrigin(Window, &pt);
if(!Ret)
{
SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
return FALSE;
}
Status = MmCopyToCaller(Point, &pt, sizeof(POINT));
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
return FALSE;
}
return Ret;
}
/*******************************************************************
* can_activate_window
*
* Check if we can activate the specified window.
*/
static
BOOL FASTCALL can_activate_window( PWINDOW_OBJECT Wnd OPTIONAL)
{
LONG style;
if (!Wnd) return FALSE;
if (!Wnd->Wnd) return FALSE;
style = Wnd->Wnd->style;
if (!(style & WS_VISIBLE) &&
Wnd->pti->pEThread->ThreadsProcess != CsrProcess) return FALSE;
if ((style & WS_MINIMIZE) &&
Wnd->pti->pEThread->ThreadsProcess != CsrProcess) 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);
}
/*******************************************************************
* WinPosActivateOtherWindow
*
* Activates window other than pWnd.
*/
VOID FASTCALL
co_WinPosActivateOtherWindow(PWINDOW_OBJECT Window)
{
PWINDOW_OBJECT WndTo = NULL;
HWND Fg;
USER_REFERENCE_ENTRY Ref;
PWND Wnd;
ASSERT_REFS_CO(Window);
Wnd = Window->Wnd;
if (IntIsDesktopWindow(Window))
{
IntSetFocusMessageQueue(NULL);
return;
}
/* If this is popup window, try to activate the owner first. */
if ((Wnd->style & WS_POPUP) && (WndTo = IntGetOwner(Window)))
{
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 = Window;
for (;;)
{
if (!(WndTo = WndTo->spwndNext)) break;
if (can_activate_window( WndTo )) break;
}
done:
if (WndTo) UserRefObjectCo(WndTo, &Ref);
Fg = UserGetForegroundWindow();
if ((!Fg || Window->hSelf == Fg) && WndTo)//fixme: ok if WndTo is NULL??
{
/* fixme: wine can pass WndTo=NULL to co_IntSetForegroundWindow. hmm */
if (co_IntSetForegroundWindow(WndTo))
{
UserDerefObjectCo(WndTo);
return;
}
}
if (!co_IntSetActiveWindow(WndTo)) /* ok for WndTo to be NULL here */
co_IntSetActiveWindow(0);
if (WndTo) UserDerefObjectCo(WndTo);
}
UINT
FASTCALL
co_WinPosArrangeIconicWindows(PWINDOW_OBJECT parent)
{
RECTL rectParent;
INT i, x, y, xspacing, yspacing;
HWND *List = IntWinListChildren(parent);
ASSERT_REFS_CO(parent);
IntGetClientRect( parent, &rectParent );
x = rectParent.left;
y = rectParent.bottom;
xspacing = UserGetSystemMetrics(SM_CXMINSPACING);
yspacing = UserGetSystemMetrics(SM_CYMINSPACING);
DPRINT("X:%d Y:%d XS:%d YS:%d\n",x,y,xspacing,yspacing);
for( i = 0; List[i]; i++)
{
PWINDOW_OBJECT WndChild;
PWND ChildWnd;
if (!(WndChild = UserGetWindowObject(List[i])))
continue;
ChildWnd = WndChild->Wnd;
if((ChildWnd->style & WS_MINIMIZE) != 0 )
{
USER_REFERENCE_ENTRY Ref;
UserRefObjectCo(WndChild, &Ref);
co_WinPosSetWindowPos(WndChild, 0, x + UserGetSystemMetrics(SM_CXBORDER),
y - yspacing - UserGetSystemMetrics(SM_CYBORDER)
, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
UserDerefObjectCo(WndChild);
if (x <= rectParent.right - xspacing)
x += xspacing;
else
{
x = rectParent.left;
y -= yspacing;
}
}
}
ExFreePool(List);
return yspacing;
}
static VOID FASTCALL
WinPosFindIconPos(PWINDOW_OBJECT Window, POINT *Pos)
{
/* FIXME */
}
VOID FASTCALL
WinPosInitInternalPos(PWINDOW_OBJECT Window, POINT *pt, RECTL *RestoreRect)
{
PWINDOW_OBJECT Parent;
UINT XInc, YInc;
PWND Wnd = Window->Wnd;
if (!Wnd->InternalPosInitialized)
{
RECTL WorkArea;
Parent = Window->spwndParent;
if(Parent)
{
if(IntIsDesktopWindow(Parent))
UserSystemParametersInfo(SPI_GETWORKAREA, 0, &WorkArea, 0);
else
WorkArea = Parent->Wnd->rcClient;
}
else
UserSystemParametersInfo(SPI_GETWORKAREA, 0, &WorkArea, 0);
Wnd->InternalPos.NormalRect = Window->Wnd->rcWindow;
IntGetWindowBorderMeasures(Window, &XInc, &YInc);
Wnd->InternalPos.MaxPos.x = WorkArea.left - XInc;
Wnd->InternalPos.MaxPos.y = WorkArea.top - YInc;
Wnd->InternalPos.IconPos.x = WorkArea.left;
Wnd->InternalPos.IconPos.y = WorkArea.bottom - UserGetSystemMetrics(SM_CYMINIMIZED);
Wnd->InternalPosInitialized = TRUE;
}
if (Wnd->style & WS_MINIMIZE)
{
Wnd->InternalPos.IconPos = *pt;
}
else if (Wnd->style & WS_MAXIMIZE)
{
Wnd->InternalPos.MaxPos = *pt;
}
else if (RestoreRect != NULL)
{
Wnd->InternalPos.NormalRect = *RestoreRect;
}
}
UINT FASTCALL
co_WinPosMinMaximize(PWINDOW_OBJECT Window, UINT ShowFlag, RECT* NewPos)
{
POINT Size;
UINT SwpFlags = 0;
PWND Wnd;
ASSERT_REFS_CO(Window);
Wnd = Window->Wnd;
Size.x = Wnd->rcWindow.left;
Size.y = Wnd->rcWindow.top;
WinPosInitInternalPos(Window, &Size, &Wnd->rcWindow);
if (co_HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)Window->hSelf, ShowFlag))
return SWP_NOSIZE | SWP_NOMOVE;
if (Wnd->style & WS_MINIMIZE)
{
if (!co_IntSendMessageNoWait(Window->hSelf, WM_QUERYOPEN, 0, 0))
{
return(SWP_NOSIZE | SWP_NOMOVE);
}
SwpFlags |= SWP_NOCOPYBITS;
}
switch (ShowFlag)
{
case SW_MINIMIZE:
{
if (Wnd->style & WS_MAXIMIZE)
{
Window->state |= WINDOWOBJECT_RESTOREMAX;
Wnd->style &= ~WS_MAXIMIZE;
}
else
{
Window->state &= ~WINDOWOBJECT_RESTOREMAX;
}
co_UserRedrawWindow(Window, NULL, 0, RDW_VALIDATE | RDW_NOERASE |
RDW_NOINTERNALPAINT);
Wnd->style |= WS_MINIMIZE;
WinPosFindIconPos(Window, &Wnd->InternalPos.IconPos);
RECTL_vSetRect(NewPos, Wnd->InternalPos.IconPos.x, Wnd->InternalPos.IconPos.y,
UserGetSystemMetrics(SM_CXMINIMIZED),
UserGetSystemMetrics(SM_CYMINIMIZED));
SwpFlags |= SWP_NOCOPYBITS;
break;
}
case SW_MAXIMIZE:
{
co_WinPosGetMinMaxInfo(Window, &Size, &Wnd->InternalPos.MaxPos,
NULL, NULL);
DPRINT("Maximize: %d,%d %dx%d\n",
Wnd->InternalPos.MaxPos.x, Wnd->InternalPos.MaxPos.y, Size.x, Size.y);
if (Wnd->style & WS_MINIMIZE)
{
Wnd->style &= ~WS_MINIMIZE;
}
Wnd->style |= WS_MAXIMIZE;
RECTL_vSetRect(NewPos, Wnd->InternalPos.MaxPos.x, Wnd->InternalPos.MaxPos.y,
Size.x, Size.y);
break;
}
case SW_RESTORE:
{
if (Wnd->style & WS_MINIMIZE)
{
Wnd->style &= ~WS_MINIMIZE;
if (Window->state & WINDOWOBJECT_RESTOREMAX)
{
co_WinPosGetMinMaxInfo(Window, &Size,
&Wnd->InternalPos.MaxPos, NULL, NULL);
Wnd->style |= WS_MAXIMIZE;
RECTL_vSetRect(NewPos, Wnd->InternalPos.MaxPos.x,
Wnd->InternalPos.MaxPos.y, Size.x, Size.y);
break;
}
else
{
*NewPos = Wnd->InternalPos.NormalRect;
NewPos->right -= NewPos->left;
NewPos->bottom -= NewPos->top;
break;
}
}
else
{
if (!(Wnd->style & WS_MAXIMIZE))
{
return 0;
}
Wnd->style &= ~WS_MAXIMIZE;
*NewPos = Wnd->InternalPos.NormalRect;
NewPos->right -= NewPos->left;
NewPos->bottom -= NewPos->top;
break;
}
}
}
return(SwpFlags);
}
BOOL
UserHasWindowEdge(DWORD Style, DWORD ExStyle)
{
if (Style & WS_MINIMIZE)
return TRUE;
if (ExStyle & WS_EX_DLGMODALFRAME)
return TRUE;
if (ExStyle & WS_EX_STATICEDGE)
return FALSE;
if (Style & WS_THICKFRAME)
return TRUE;
Style &= WS_CAPTION;
if (Style == WS_DLGFRAME || Style == WS_CAPTION)
return TRUE;
return FALSE;
}
VOID
UserGetWindowBorders(DWORD Style, DWORD ExStyle, SIZE *Size, BOOL WithClient)
{
DWORD Border = 0;
if (UserHasWindowEdge(Style, ExStyle))
Border += 2;
else if (ExStyle & WS_EX_STATICEDGE)
Border += 1;
if ((ExStyle & WS_EX_CLIENTEDGE) && WithClient)
Border += 2;
if (Style & WS_CAPTION || ExStyle & WS_EX_DLGMODALFRAME)
Border ++;
Size->cx = Size->cy = Border;
if ((Style & WS_THICKFRAME) && !(Style & WS_MINIMIZE))
{
Size->cx += UserGetSystemMetrics(SM_CXFRAME) - UserGetSystemMetrics(SM_CXDLGFRAME);
Size->cy += UserGetSystemMetrics(SM_CYFRAME) - UserGetSystemMetrics(SM_CYDLGFRAME);
}
Size->cx *= UserGetSystemMetrics(SM_CXBORDER);
Size->cy *= UserGetSystemMetrics(SM_CYBORDER);
}
BOOL WINAPI
UserAdjustWindowRectEx(LPRECT lpRect,
DWORD dwStyle,
BOOL bMenu,
DWORD dwExStyle)
{
SIZE BorderSize;
if (bMenu)
{
lpRect->top -= UserGetSystemMetrics(SM_CYMENU);
}
if ((dwStyle & WS_CAPTION) == WS_CAPTION)
{
if (dwExStyle & WS_EX_TOOLWINDOW)
lpRect->top -= UserGetSystemMetrics(SM_CYSMCAPTION);
else
lpRect->top -= UserGetSystemMetrics(SM_CYCAPTION);
}
UserGetWindowBorders(dwStyle, dwExStyle, &BorderSize, TRUE);
RECTL_vInflateRect(
lpRect,
BorderSize.cx,
BorderSize.cy);
return TRUE;
}
UINT FASTCALL
co_WinPosGetMinMaxInfo(PWINDOW_OBJECT Window, POINT* MaxSize, POINT* MaxPos,
POINT* MinTrack, POINT* MaxTrack)
{
MINMAXINFO MinMax;
PMONITOR monitor;
INT xinc, yinc;
LONG style = Window->Wnd->style;
LONG adjustedStyle;
LONG exstyle = Window->Wnd->ExStyle;
RECT rc;
ASSERT_REFS_CO(Window);
/* Compute default values */
rc = Window->Wnd->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->Wnd->spwndParent)
IntGetClientRect(Window->spwndParent, &rc);
UserAdjustWindowRectEx(&rc, adjustedStyle, ((style & WS_POPUP) && Window->Wnd->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(win->max_pos)) MinMax.ptMaxPosition = win->max_pos;
co_IntSendMessage(Window->hSelf, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax);
/* if the app didn't change the values, adapt them for the current monitor */
if ((monitor = IntGetPrimaryMonitor()))
{
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;
}
}
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?
}
static
VOID FASTCALL
FixClientRect(PRECTL ClientRect, PRECTL WindowRect)
{
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;
}
}
static
LONG FASTCALL
co_WinPosDoNCCALCSize(PWINDOW_OBJECT Window, PWINDOWPOS WinPos,
RECT* WindowRect, RECT* ClientRect)
{
PWINDOW_OBJECT Parent;
UINT wvrFlags = 0;
PWND Wnd;
ASSERT_REFS_CO(Window);
Wnd = Window->Wnd;
/* 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;
params.rgrc[1] = Window->Wnd->rcWindow;
params.rgrc[2] = Window->Wnd->rcClient;
Parent = Window->spwndParent;
if (0 != (Wnd->style & WS_CHILD) && Parent)
{
RECTL_vOffsetRect(&(params.rgrc[0]), - Parent->Wnd->rcClient.left,
- Parent->Wnd->rcClient.top);
RECTL_vOffsetRect(&(params.rgrc[1]), - Parent->Wnd->rcClient.left,
- Parent->Wnd->rcClient.top);
RECTL_vOffsetRect(&(params.rgrc[2]), - Parent->Wnd->rcClient.left,
- Parent->Wnd->rcClient.top);
}
params.lppos = &winposCopy;
winposCopy = *WinPos;
wvrFlags = co_IntSendMessageNoWait(Window->hSelf, 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];
if ((Wnd->style & WS_CHILD) && Parent)
{
RECTL_vOffsetRect(ClientRect, Parent->Wnd->rcClient.left,
Parent->Wnd->rcClient.top);
}
FixClientRect(ClientRect, WindowRect);
}
/* FIXME: WVR_ALIGNxxx */
if (ClientRect->left != Wnd->rcClient.left ||
ClientRect->top != Wnd->rcClient.top)
{
WinPos->flags &= ~SWP_NOCLIENTMOVE;
}
if ((ClientRect->right - ClientRect->left !=
Wnd->rcClient.right - Wnd->rcClient.left) ||
(ClientRect->bottom - ClientRect->top !=
Wnd->rcClient.bottom - Wnd->rcClient.top))
{
WinPos->flags &= ~SWP_NOCLIENTSIZE;
}
}
else
{
if (! (WinPos->flags & SWP_NOMOVE)
&& (ClientRect->left != Wnd->rcClient.left ||
ClientRect->top != Wnd->rcClient.top))
{
WinPos->flags &= ~SWP_NOCLIENTMOVE;
}
}
return wvrFlags;
}
static
BOOL FASTCALL
co_WinPosDoWinPosChanging(PWINDOW_OBJECT Window,
PWINDOWPOS WinPos,
PRECTL WindowRect,
PRECTL ClientRect)
{
INT X, Y;
PWND Wnd;
ASSERT_REFS_CO(Window);
Wnd = Window->Wnd;
if (!(WinPos->flags & SWP_NOSENDCHANGING))
{
co_IntSendMessageNoWait(Window->hSelf, WM_WINDOWPOSCHANGING, 0, (LPARAM) WinPos);
}
*WindowRect = Wnd->rcWindow;
*ClientRect = Wnd->rcClient;
if (!(WinPos->flags & SWP_NOSIZE))
{
WindowRect->right = WindowRect->left + WinPos->cx;
WindowRect->bottom = WindowRect->top + WinPos->cy;
}
if (!(WinPos->flags & SWP_NOMOVE))
{
PWINDOW_OBJECT Parent;
X = WinPos->x;
Y = WinPos->y;
Parent = Window->spwndParent;
if ((0 != (Wnd->style & WS_CHILD)) && Parent)
{
X += Parent->Wnd->rcClient.left;
Y += Parent->Wnd->rcClient.top;
}
WindowRect->left = X;
WindowRect->top = Y;
WindowRect->right += X - Wnd->rcWindow.left;
WindowRect->bottom += Y - Wnd->rcWindow.top;
RECTL_vOffsetRect(ClientRect,
X - Wnd->rcWindow.left,
Y - Wnd->rcWindow.top);
}
WinPos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
return TRUE;
}
/*
* Fix Z order taking into account owned popups -
* basically we need to maintain them above the window that owns them
*/
static
HWND FASTCALL
WinPosDoOwnedPopups(HWND hWnd, HWND hWndInsertAfter)
{
HWND *List = NULL;
HWND Owner = UserGetWindow(hWnd, GW_OWNER);
LONG Style = UserGetWindowLong(hWnd, GWL_STYLE, FALSE);
PWINDOW_OBJECT DesktopWindow, ChildObject;
int i;
if ((Style & WS_POPUP) && Owner)
{
/* Make sure this popup stays above the owner */
HWND hWndLocalPrev = HWND_TOPMOST;
if (hWndInsertAfter != HWND_TOPMOST)
{
DesktopWindow = UserGetWindowObject(IntGetDesktopWindow());
List = IntWinListChildren(DesktopWindow);
if (List != NULL)
{
for (i = 0; List[i]; i++)
{
if (List[i] == Owner)
break;
if (HWND_TOP == hWndInsertAfter)
{
ChildObject = UserGetWindowObject(List[i]);
if (NULL != ChildObject)
{
if (0 == (ChildObject->Wnd->ExStyle & WS_EX_TOPMOST))
{
break;
}
}
}
if (List[i] != hWnd)
hWndLocalPrev = List[i];
if (hWndLocalPrev == hWndInsertAfter)
break;
}
hWndInsertAfter = hWndLocalPrev;
}
}
}
else if (Style & WS_CHILD)
{
return hWndInsertAfter;
}
if (!List)
{
DesktopWindow = UserGetWindowObject(IntGetDesktopWindow());
List = IntWinListChildren(DesktopWindow);
}
if (List != NULL)
{
for (i = 0; List[i]; i++)
{
PWINDOW_OBJECT Wnd;
if (List[i] == hWnd)
break;
if (!(Wnd = UserGetWindowObject(List[i])))
continue;
if ((Wnd->Wnd->style & WS_POPUP) &&
UserGetWindow(List[i], GW_OWNER) == hWnd)
{
USER_REFERENCE_ENTRY Ref;
UserRefObjectCo(Wnd, &Ref);
co_WinPosSetWindowPos(Wnd, hWndInsertAfter, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING);
UserDerefObjectCo(Wnd);
hWndInsertAfter = List[i];
}
}
ExFreePool(List);
}
return hWndInsertAfter;
}
/***********************************************************************
* WinPosInternalMoveWindow
*
* Update WindowRect and ClientRect of Window and all of its children
* We keep both WindowRect and ClientRect in screen coordinates internally
*/
static
VOID FASTCALL
WinPosInternalMoveWindow(PWINDOW_OBJECT Window, INT MoveX, INT MoveY)
{
PWINDOW_OBJECT Child;
ASSERT(Window != Window->spwndChild);
Window->Wnd->rcWindow.left += MoveX;
Window->Wnd->rcWindow.right += MoveX;
Window->Wnd->rcWindow.top += MoveY;
Window->Wnd->rcWindow.bottom += MoveY;
Window->Wnd->rcClient.left += MoveX;
Window->Wnd->rcClient.right += MoveX;
Window->Wnd->rcClient.top += MoveY;
Window->Wnd->rcClient.bottom += MoveY;
for(Child = Window->spwndChild; Child; Child = Child->spwndNext)
{
WinPosInternalMoveWindow(Child, MoveX, MoveY);
}
}
/*
* WinPosFixupSWPFlags
*
* Fix redundant flags and values in the WINDOWPOS structure.
*/
static
BOOL FASTCALL
WinPosFixupFlags(WINDOWPOS *WinPos, PWINDOW_OBJECT Window)
{
PWND Wnd = Window->Wnd;
if (!Wnd) return FALSE;
if (Wnd->style & WS_VISIBLE)
{
WinPos->flags &= ~SWP_SHOWWINDOW;
}
else
{
WinPos->flags &= ~SWP_HIDEWINDOW;
if (!(WinPos->flags & SWP_SHOWWINDOW))
WinPos->flags |= SWP_NOREDRAW;
}
WinPos->cx = max(WinPos->cx, 0);
WinPos->cy = max(WinPos->cy, 0);
/* Check for right size */
if (Wnd->rcWindow.right - Wnd->rcWindow.left == WinPos->cx &&
Wnd->rcWindow.bottom - Wnd->rcWindow.top == WinPos->cy)
{
WinPos->flags |= SWP_NOSIZE;
}
/* Check for right position */
if (Wnd->rcWindow.left == WinPos->x &&
Wnd->rcWindow.top == WinPos->y)
{
WinPos->flags |= SWP_NOMOVE;
}
if (WinPos->hwnd == UserGetForegroundWindow())
{
WinPos->flags |= SWP_NOACTIVATE; /* Already active */
}
else
if ((Wnd->style & (WS_POPUP | WS_CHILD)) != WS_CHILD)
{
/* Bring to the top when activating */
if (!(WinPos->flags & SWP_NOACTIVATE))
{
WinPos->flags &= ~SWP_NOZORDER;
WinPos->hwndInsertAfter = (0 != (Wnd->ExStyle & WS_EX_TOPMOST) ?
HWND_TOPMOST : HWND_TOP);
return TRUE;
}
}
/* Check hwndInsertAfter */
if (!(WinPos->flags & SWP_NOZORDER))
{
/* Fix sign extension */
if (WinPos->hwndInsertAfter == (HWND)0xffff)
{
WinPos->hwndInsertAfter = HWND_TOPMOST;
}
else if (WinPos->hwndInsertAfter == (HWND)0xfffe)
{
WinPos->hwndInsertAfter = HWND_NOTOPMOST;
}
if (WinPos->hwndInsertAfter == HWND_NOTOPMOST)
{
WinPos->hwndInsertAfter = HWND_TOP;
}
else if (HWND_TOP == WinPos->hwndInsertAfter
&& 0 != (Wnd->ExStyle & WS_EX_TOPMOST))
{
/* Keep it topmost when it's already topmost */
WinPos->hwndInsertAfter = HWND_TOPMOST;
}
/* hwndInsertAfter must be a sibling of the window */
if (HWND_TOPMOST != WinPos->hwndInsertAfter
&& HWND_TOP != WinPos->hwndInsertAfter
&& HWND_NOTOPMOST != WinPos->hwndInsertAfter
&& HWND_BOTTOM != WinPos->hwndInsertAfter)
{
PWINDOW_OBJECT InsAfterWnd, Parent = Window->spwndParent;
InsAfterWnd = UserGetWindowObject(WinPos->hwndInsertAfter);
if (InsAfterWnd && UserGetAncestor(InsAfterWnd, GA_PARENT) != Parent)
{
return FALSE;
}
else
{
/*
* We don't need to change the Z order of hwnd if it's already
* inserted after hwndInsertAfter or when inserting hwnd after
* itself.
*/
if ((WinPos->hwnd == WinPos->hwndInsertAfter) ||
(WinPos->hwnd == UserGetWindow(WinPos->hwndInsertAfter, GW_HWNDNEXT)))
{
WinPos->flags |= SWP_NOZORDER;
}
}
}
}
return TRUE;
}
/* x and y are always screen relative */
BOOLEAN FASTCALL
co_WinPosSetWindowPos(
PWINDOW_OBJECT Window,
HWND WndInsertAfter,
INT x,
INT y,
INT cx,
INT cy,
UINT flags
)
{
WINDOWPOS WinPos;
RECTL NewWindowRect;
RECTL NewClientRect;
PROSRGNDATA VisRgn;
HRGN VisBefore = NULL;
HRGN VisAfter = NULL;
HRGN DirtyRgn = NULL;
HRGN ExposedRgn = NULL;
HRGN CopyRgn = NULL;
ULONG WvrFlags = 0;
RECTL OldWindowRect, OldClientRect;
int RgnType;
HDC Dc;
RECTL CopyRect;
RECTL TempRect;
PWINDOW_OBJECT Ancestor;
ASSERT_REFS_CO(Window);
if (!Window->Wnd) return FALSE;
/* FIXME: Get current active window from active queue. */
/*
* Only allow CSRSS to mess with the desktop window
*/
if ( Window->hSelf == IntGetDesktopWindow() &&
Window->pti->pEThread->ThreadsProcess != PsGetCurrentProcess())
{
return FALSE;
}
WinPos.hwnd = Window->hSelf;
WinPos.hwndInsertAfter = WndInsertAfter;
WinPos.x = x;
WinPos.y = y;
WinPos.cx = cx;
WinPos.cy = cy;
WinPos.flags = flags;
co_WinPosDoWinPosChanging(Window, &WinPos, &NewWindowRect, &NewClientRect);
/* Fix up the flags. */
if (!WinPosFixupFlags(&WinPos, Window))
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return FALSE;
}
/* Does the window still exist? */
if (!IntIsWindow(WinPos.hwnd))
{
SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
return FALSE;
}
Ancestor = UserGetAncestor(Window, GA_PARENT);
if ( (WinPos.flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) !=
SWP_NOZORDER &&
Ancestor && Ancestor->hSelf == IntGetDesktopWindow() )
{
WinPos.hwndInsertAfter = WinPosDoOwnedPopups(WinPos.hwnd, WinPos.hwndInsertAfter);
}
if (!(WinPos.flags & SWP_NOREDRAW))
{
/* Compute the visible region before the window position is changed */
if (!(WinPos.flags & (SWP_NOREDRAW | 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, TRUE);
VisRgn = NULL;
if ( VisBefore != NULL &&
(VisRgn = (PROSRGNDATA)RGNOBJAPI_Lock(VisBefore, NULL)) &&
REGION_GetRgnBox(VisRgn, &TempRect) == NULLREGION )
{
RGNOBJAPI_Unlock(VisRgn);
GreDeleteObject(VisBefore);
VisBefore = NULL;
}
else if(VisRgn)
{
RGNOBJAPI_Unlock(VisRgn);
NtGdiOffsetRgn(VisBefore, -Window->Wnd->rcWindow.left, -Window->Wnd->rcWindow.top);
}
}
}
WvrFlags = co_WinPosDoNCCALCSize(Window, &WinPos, &NewWindowRect, &NewClientRect);
//DPRINT1("co_WinPosDoNCCALCSize");
/* Relink windows. (also take into account shell window in hwndShellWindow) */
if (!(WinPos.flags & SWP_NOZORDER) && WinPos.hwnd != UserGetShellWindow())
{
PWINDOW_OBJECT ParentWindow;
PWINDOW_OBJECT Sibling;
PWINDOW_OBJECT InsertAfterWindow;
if ((ParentWindow = Window->spwndParent))
{
if (HWND_TOPMOST == WinPos.hwndInsertAfter)
{
InsertAfterWindow = NULL;
}
else if (HWND_TOP == WinPos.hwndInsertAfter
|| HWND_NOTOPMOST == WinPos.hwndInsertAfter)
{
InsertAfterWindow = NULL;
Sibling = ParentWindow->spwndChild;
while ( NULL != Sibling &&
0 != (Sibling->Wnd->ExStyle & WS_EX_TOPMOST) )
{
InsertAfterWindow = Sibling;
Sibling = Sibling->spwndNext;
}
if (NULL != InsertAfterWindow)
{
UserReferenceObject(InsertAfterWindow);
}
}
else if (WinPos.hwndInsertAfter == HWND_BOTTOM)
{
if(ParentWindow->spwndChild)
{
InsertAfterWindow = ParentWindow->spwndChild;
if(InsertAfterWindow)
{
while (InsertAfterWindow->spwndNext)
InsertAfterWindow = InsertAfterWindow->spwndNext;
}
UserReferenceObject(InsertAfterWindow);
}
else
InsertAfterWindow = NULL;
}
else
InsertAfterWindow = IntGetWindowObject(WinPos.hwndInsertAfter);
/* Do nothing if hwndInsertAfter is HWND_BOTTOM and Window is already
the last window */
if (InsertAfterWindow != Window)
{
IntUnlinkWindow(Window);
IntLinkWindow(Window, ParentWindow, InsertAfterWindow);
}
if (InsertAfterWindow != NULL)
UserDereferenceObject(InsertAfterWindow);
if ( (HWND_TOPMOST == WinPos.hwndInsertAfter) ||
(0 != (Window->Wnd->ExStyle & WS_EX_TOPMOST) &&
NULL != Window->spwndPrev &&
0 != (Window->spwndPrev->Wnd->ExStyle & WS_EX_TOPMOST)) ||
(NULL != Window->spwndNext &&
0 != (Window->spwndNext->Wnd->ExStyle & WS_EX_TOPMOST)) )
{
Window->Wnd->ExStyle |= WS_EX_TOPMOST;
}
else
{
Window->Wnd->ExStyle &= ~ WS_EX_TOPMOST;
}
}
}
if (!Window->Wnd) return FALSE;
OldWindowRect = Window->Wnd->rcWindow;
OldClientRect = Window->Wnd->rcClient;
if (OldClientRect.bottom - OldClientRect.top ==
NewClientRect.bottom - NewClientRect.top)
{
WvrFlags &= ~WVR_VREDRAW;
}
if (OldClientRect.right - OldClientRect.left ==
NewClientRect.right - NewClientRect.left)
{
WvrFlags &= ~WVR_HREDRAW;
}
/* FIXME: Actually do something with WVR_VALIDRECTS */
if ( NewClientRect.left != OldClientRect.left ||
NewClientRect.top != OldClientRect.top)
{
WinPosInternalMoveWindow(Window,
NewClientRect.left - OldClientRect.left,
NewClientRect.top - OldClientRect.top);
}
Window->Wnd->rcWindow = NewWindowRect;
Window->Wnd->rcClient = NewClientRect;
if (!(WinPos.flags & SWP_SHOWWINDOW) && (WinPos.flags & SWP_HIDEWINDOW))
{
/* Clear the update region */
co_UserRedrawWindow( Window,
NULL,
0,
RDW_VALIDATE | RDW_NOFRAME | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_ALLCHILDREN);
if ((Window->Wnd->style & WS_VISIBLE) &&
Window->spwndParent == UserGetDesktopWindow())
{
co_IntShellHookNotify(HSHELL_WINDOWDESTROYED, (LPARAM)Window->hSelf);
}
Window->Wnd->style &= ~WS_VISIBLE;
}
else if (WinPos.flags & SWP_SHOWWINDOW)
{
if (!(Window->Wnd->style & WS_VISIBLE) &&
Window->spwndParent == UserGetDesktopWindow() )
{
co_IntShellHookNotify(HSHELL_WINDOWCREATED, (LPARAM)Window->hSelf);
}
Window->Wnd->style |= WS_VISIBLE;
}
if (Window->hrgnUpdate != NULL && Window->hrgnUpdate != (HRGN)1)
{
NtGdiOffsetRgn(Window->hrgnUpdate,
NewWindowRect.left - OldWindowRect.left,
NewWindowRect.top - OldWindowRect.top);
}
DceResetActiveDCEs(Window);
if (!(WinPos.flags & SWP_NOREDRAW))
{
/* Determine the new visible region */
VisAfter = VIS_ComputeVisibleRegion(Window, FALSE, FALSE, TRUE);
VisRgn = NULL;
if ( VisAfter != NULL &&
(VisRgn = (PROSRGNDATA)RGNOBJAPI_Lock(VisAfter, NULL)) &&
REGION_GetRgnBox(VisRgn, &TempRect) == NULLREGION )
{
RGNOBJAPI_Unlock(VisRgn);
GreDeleteObject(VisAfter);
VisAfter = NULL;
}
else if(VisRgn)
{
RGNOBJAPI_Unlock(VisRgn);
NtGdiOffsetRgn(VisAfter, -Window->Wnd->rcWindow.left, -Window->Wnd->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->Wnd->ExStyle & WS_EX_TRANSPARENT) )
{
CopyRgn = IntSysCreateRectRgn(0, 0, 0, 0);
RgnType = NtGdiCombineRgn(CopyRgn, VisAfter, VisBefore, RGN_AND);
/*
* 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...)
*/
if (!(WinPos.flags & SWP_NOSIZE) &&
RgnType != ERROR &&
RgnType != NULLREGION )
{
PROSRGNDATA pCopyRgn;
RECTL ORect = OldClientRect;
RECTL NRect = NewClientRect;
RECTL_vOffsetRect(&ORect, - OldWindowRect.left, - OldWindowRect.top);
RECTL_vOffsetRect(&NRect, - NewWindowRect.left, - NewWindowRect.top);
RECTL_bIntersectRect(&CopyRect, &ORect, &NRect);
pCopyRgn = RGNOBJAPI_Lock(CopyRgn, NULL);
REGION_CropAndOffsetRegion(pCopyRgn, pCopyRgn, &CopyRect, NULL);
RGNOBJAPI_Unlock(pCopyRgn);
}
/* No use in copying bits which are in the update region. */
if (Window->hrgnUpdate != NULL)
{
NtGdiOffsetRgn(CopyRgn, NewWindowRect.left, NewWindowRect.top);
NtGdiCombineRgn(CopyRgn, CopyRgn, Window->hrgnUpdate, RGN_DIFF);
NtGdiOffsetRgn(CopyRgn, -NewWindowRect.left, -NewWindowRect.top);
}
/*
* 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 ( (VisRgn = (PROSRGNDATA)RGNOBJAPI_Lock(CopyRgn, NULL)) &&
REGION_GetRgnBox(VisRgn, &CopyRect) == NULLREGION)
{
/* Nothing to copy, clean up */
RGNOBJAPI_Unlock(VisRgn);
REGION_FreeRgnByHandle(CopyRgn);
CopyRgn = NULL;
}
else if (OldWindowRect.left != NewWindowRect.left ||
OldWindowRect.top != NewWindowRect.top)
{
if(VisRgn)
{
RGNOBJAPI_Unlock(VisRgn);
}
/*
* 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
*/
NtGdiOffsetRgn(CopyRgn, NewWindowRect.left, NewWindowRect.top);
Dc = UserGetDCEx( Window,
CopyRgn,
DCX_WINDOW|DCX_CACHE|DCX_INTERSECTRGN|DCX_CLIPSIBLINGS|DCX_KEEPCLIPRGN);
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, FALSE);
NtGdiOffsetRgn(CopyRgn, -NewWindowRect.left, -NewWindowRect.top);
}
else if(VisRgn)
{
RGNOBJAPI_Unlock(VisRgn);
}
}
else
{
CopyRgn = NULL;
}
/* We need to redraw what wasn't visible before */
if (VisAfter != NULL)
{
DirtyRgn = IntSysCreateRectRgn(0, 0, 0, 0);
if (CopyRgn != NULL)
{
RgnType = NtGdiCombineRgn(DirtyRgn, VisAfter, CopyRgn, RGN_DIFF);
}
else
{
RgnType = NtGdiCombineRgn(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);
*/
PWINDOW_OBJECT Parent = Window->spwndParent;
NtGdiOffsetRgn( DirtyRgn,
Window->Wnd->rcWindow.left,
Window->Wnd->rcWindow.top);
if ( (Window->Wnd->style & WS_CHILD) &&
(Parent) &&
!(Parent->Wnd->style & WS_CLIPCHILDREN))
{
IntInvalidateWindows( Parent,
DirtyRgn,
RDW_ERASE | RDW_INVALIDATE);
co_IntPaintWindows(Parent, RDW_ERASENOW, FALSE);
}
else
{
IntInvalidateWindows( Window,
DirtyRgn,
RDW_ERASE | RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN);
}
}
REGION_FreeRgnByHandle(DirtyRgn);
}
if (CopyRgn != NULL)
{
REGION_FreeRgnByHandle(CopyRgn);
}
/* Expose what was covered before but not covered anymore */
if (VisBefore != NULL)
{
ExposedRgn = IntSysCreateRectRgn(0, 0, 0, 0);
NtGdiCombineRgn(ExposedRgn, VisBefore, NULL, RGN_COPY);
NtGdiOffsetRgn( ExposedRgn,
OldWindowRect.left - NewWindowRect.left,
OldWindowRect.top - NewWindowRect.top);
if (VisAfter != NULL)
RgnType = NtGdiCombineRgn(ExposedRgn, ExposedRgn, VisAfter, RGN_DIFF);
else
RgnType = SIMPLEREGION;
if (RgnType != ERROR && RgnType != NULLREGION)
{
co_VIS_WindowLayoutChanged(Window, ExposedRgn);
}
REGION_FreeRgnByHandle(ExposedRgn);
REGION_FreeRgnByHandle(VisBefore);
}
if (VisAfter != NULL)
{
REGION_FreeRgnByHandle(VisAfter);
}
if (!(WinPos.flags & SWP_NOACTIVATE))
{
if ((Window->Wnd->style & (WS_CHILD | WS_POPUP)) == WS_CHILD)
{
co_IntSendMessageNoWait(WinPos.hwnd, WM_CHILDACTIVATE, 0, 0);
}
else
{
co_IntSetForegroundWindow(Window);
}
}
}
if ((WinPos.flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE)
{
/* 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;
co_IntSendMessageNoWait(WinPos.hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM) &WinPos);
}
return TRUE;
}
LRESULT FASTCALL
co_WinPosGetNonClientSize(PWINDOW_OBJECT Window, RECT* WindowRect, RECT* ClientRect)
{
LRESULT Result;
ASSERT_REFS_CO(Window);
*ClientRect = *WindowRect;
Result = co_IntSendMessageNoWait(Window->hSelf, WM_NCCALCSIZE, FALSE, (LPARAM) ClientRect);
FixClientRect(ClientRect, WindowRect);
return Result;
}
BOOLEAN FASTCALL
co_WinPosShowWindow(PWINDOW_OBJECT Window, INT Cmd)
{
BOOLEAN WasVisible;
UINT Swp = 0;
RECTL NewPos;
BOOLEAN ShowFlag;
// HRGN VisibleRgn;
PWND Wnd;
ASSERT_REFS_CO(Window);
Wnd = Window->Wnd;
if (!Wnd) return FALSE;
WasVisible = (Wnd->style & WS_VISIBLE) != 0;
switch (Cmd)
{
case SW_HIDE:
{
if (!WasVisible)
{
return(FALSE);
}
Swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE;
if (Window->hSelf != UserGetActiveWindow())
Swp |= SWP_NOACTIVATE | SWP_NOZORDER;
break;
}
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 (!(Wnd->style & WS_MINIMIZE))
{
Swp |= co_WinPosMinMaximize(Window, SW_MINIMIZE, &NewPos) |
SWP_FRAMECHANGED;
}
else
{
Swp |= SWP_NOSIZE | SWP_NOMOVE;
if (! WasVisible)
{
Swp |= SWP_FRAMECHANGED;
}
}
break;
}
case SW_SHOWMAXIMIZED:
{
Swp |= SWP_SHOWWINDOW;
if (!(Wnd->style & WS_MAXIMIZE))
{
Swp |= co_WinPosMinMaximize(Window, SW_MAXIMIZE, &NewPos) |
SWP_FRAMECHANGED;
}
else
{
Swp |= SWP_NOSIZE | SWP_NOMOVE;
if (! WasVisible)
{
Swp |= SWP_FRAMECHANGED;
}
}
break;
}
case SW_SHOWNA:
Swp |= SWP_NOACTIVATE | SWP_NOZORDER;
/* Fall through. */
case SW_SHOW:
if (WasVisible) return(TRUE); // Nothing to do!
Swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
/* Don't activate the topmost window. */
break;
case SW_SHOWNOACTIVATE:
//Swp |= SWP_NOZORDER;
Swp |= SWP_NOACTIVATE | SWP_NOZORDER;
/* Fall through. */
case SW_SHOWNORMAL:
case SW_SHOWDEFAULT:
case SW_RESTORE:
Swp |= SWP_SHOWWINDOW;
if (Wnd->style & (WS_MINIMIZE | WS_MAXIMIZE))
{
Swp |= co_WinPosMinMaximize(Window, SW_RESTORE, &NewPos) |
SWP_FRAMECHANGED;
}
else
{
Swp |= SWP_NOSIZE | SWP_NOMOVE;
if (! WasVisible)
{
Swp |= SWP_FRAMECHANGED;
}
}
break;
}
ShowFlag = (Cmd != SW_HIDE);
if (ShowFlag != WasVisible)
{
co_IntSendMessageNoWait(Window->hSelf, WM_SHOWWINDOW, ShowFlag, 0);
}
/* We can't activate a child window */
if ((Wnd->style & WS_CHILD) &&
!(Wnd->ExStyle & WS_EX_MDICHILD))
{
Swp |= SWP_NOACTIVATE | SWP_NOZORDER;
}
co_WinPosSetWindowPos(Window, 0 != (Wnd->ExStyle & WS_EX_TOPMOST)
? HWND_TOPMOST : HWND_TOP,
NewPos.left, NewPos.top, NewPos.right, NewPos.bottom, LOWORD(Swp));
if ((Cmd == SW_HIDE) || (Cmd == SW_MINIMIZE))
{
PWINDOW_OBJECT ThreadFocusWindow;
/* FIXME: This will cause the window to be activated irrespective
* of whether it is owned by the same thread. Has to be done
* asynchronously.
*/
if (Window->hSelf == UserGetActiveWindow())
{
co_WinPosActivateOtherWindow(Window);
}
//temphack
ThreadFocusWindow = UserGetWindowObject(IntGetThreadFocusWindow());
/* Revert focus to parent */
if (ThreadFocusWindow && (Window == ThreadFocusWindow ||
IntIsChildWindow(Window, ThreadFocusWindow)))
{
//faxme: as long as we have ref on Window, we also, indirectly, have ref on parent...
co_UserSetFocus(Window->spwndParent);
}
}
/* FIXME: Check for window destruction. */
if ((Window->state & WINDOWOBJECT_NEED_SIZE) &&
!(Window->state & WINDOWSTATUS_DESTROYING))
{
WPARAM wParam = SIZE_RESTORED;
Window->state &= ~WINDOWOBJECT_NEED_SIZE;
if (Wnd->style & WS_MAXIMIZE)
{
wParam = SIZE_MAXIMIZED;
}
else if (Wnd->style & WS_MINIMIZE)
{
wParam = SIZE_MINIMIZED;
}
co_IntSendMessageNoWait(Window->hSelf, WM_SIZE, wParam,
MAKELONG(Wnd->rcClient.right -
Wnd->rcClient.left,
Wnd->rcClient.bottom -
Wnd->rcClient.top));
co_IntSendMessageNoWait(Window->hSelf, WM_MOVE, 0,
MAKELONG(Wnd->rcClient.left,
Wnd->rcClient.top));
IntEngWindowChanged(Window, WOC_RGN_CLIENT);
}
/* Activate the window if activation is not requested and the window is not minimized */
/*
if (!(Swp & (SWP_NOACTIVATE | SWP_HIDEWINDOW)) && !(Window->style & WS_MINIMIZE))
{
WinPosChangeActiveWindow(Wnd, FALSE);
}
*/
return(WasVisible);
}
#if 0
/* find child of 'parent' that contains the given point (in parent-relative coords) */
PWINDOW_OBJECT child_window_from_point(PWINDOW_OBJECT parent, int x, int y )
{
PWINDOW_OBJECT Wnd;// = parent->spwndChild;
// LIST_FOR_EACH_ENTRY( Wnd, &parent->children, struct window, entry )
for (Wnd = parent->spwndChild; Wnd; Wnd = Wnd->spwndNext)
{
if (!IntPtInWindow( Wnd, x, y )) continue; /* skip it */
/* if window is minimized or disabled, return at once */
if (Wnd->style & (WS_MINIMIZE|WS_DISABLED)) return Wnd;
/* if point is not in client area, return at once */
if (x < Wnd->rcClient.left || x >= Wnd->rcClient.right ||
y < Wnd->rcClient.top || y >= Wnd->rcClient.bottom)
return Wnd;
return child_window_from_point( Wnd, x - Wnd->rcClient.left, y - Wnd->rcClient.top );
}
return parent; /* not found any child */
}
#endif
/* wine server: child_window_from_point
Caller must dereference the "returned" Window
*/
static
VOID FASTCALL
co_WinPosSearchChildren(
PWINDOW_OBJECT ScopeWin,
PUSER_MESSAGE_QUEUE OnlyHitTests,
POINT *Point,
PWINDOW_OBJECT* Window,
USHORT *HitTest
)
{
PWINDOW_OBJECT Current;
PWND CurrentWnd;
HWND *List, *phWnd;
USER_REFERENCE_ENTRY Ref;
ASSERT_REFS_CO(ScopeWin);
if ((List = IntWinListChildren(ScopeWin)))
{
for (phWnd = List; *phWnd; ++phWnd)
{
if (!(Current = UserGetWindowObject(*phWnd)))
continue;
CurrentWnd = Current->Wnd;
if (!(CurrentWnd->style & WS_VISIBLE))
{
continue;
}
if ((CurrentWnd->style & (WS_POPUP | WS_CHILD | WS_DISABLED)) ==
(WS_CHILD | WS_DISABLED))
{
continue;
}
if (!IntPtInWindow(Current, Point->x, Point->y))
{
continue;
}
if (*Window) UserDereferenceObject(*Window);
*Window = Current;
UserReferenceObject(*Window);
if (CurrentWnd->style & WS_MINIMIZE)
{
*HitTest = HTCAPTION;
break;
}
if (CurrentWnd->style & WS_DISABLED)
{
*HitTest = HTERROR;
break;
}
UserRefObjectCo(Current, &Ref);
if (OnlyHitTests && (Current->pti->MessageQueue == OnlyHitTests))
{
*HitTest = co_IntSendMessage(Current->hSelf, WM_NCHITTEST, 0,
MAKELONG(Point->x, Point->y));
if ((*HitTest) == (USHORT)HTTRANSPARENT)
{
UserDerefObjectCo(Current);
continue;
}
}
else
*HitTest = HTCLIENT;
if (Point->x >= CurrentWnd->rcClient.left &&
Point->x < CurrentWnd->rcClient.right &&
Point->y >= CurrentWnd->rcClient.top &&
Point->y < CurrentWnd->rcClient.bottom)
{
co_WinPosSearchChildren(Current, OnlyHitTests, Point, Window, HitTest);
}
UserDerefObjectCo(Current);
break;
}
ExFreePool(List);
}
}
/* wine: WINPOS_WindowFromPoint */
USHORT FASTCALL
co_WinPosWindowFromPoint(PWINDOW_OBJECT ScopeWin, PUSER_MESSAGE_QUEUE OnlyHitTests, POINT *WinPoint,
PWINDOW_OBJECT* Window)
{
HWND DesktopWindowHandle;
PWINDOW_OBJECT DesktopWindow;
POINT Point = *WinPoint;
USHORT HitTest;
ASSERT_REFS_CO(ScopeWin);
*Window = NULL;
if(!ScopeWin)
{
DPRINT1("WinPosWindowFromPoint(): ScopeWin == NULL!\n");
return(HTERROR);
}
if (ScopeWin->Wnd->style & WS_DISABLED)
{
return(HTERROR);
}
/* Translate the point to the space of the scope window. */
DesktopWindowHandle = IntGetDesktopWindow();
if((DesktopWindowHandle != ScopeWin->hSelf) &&
(DesktopWindow = UserGetWindowObject(DesktopWindowHandle)))
{
Point.x += ScopeWin->Wnd->rcClient.left - DesktopWindow->Wnd->rcClient.left;
Point.y += ScopeWin->Wnd->rcClient.top - DesktopWindow->Wnd->rcClient.top;
}
HitTest = HTNOWHERE;
co_WinPosSearchChildren(ScopeWin, OnlyHitTests, &Point, Window, &HitTest);
return ((*Window) ? HitTest : HTNOWHERE);
}
BOOL
APIENTRY
NtUserGetMinMaxInfo(
HWND hWnd,
MINMAXINFO *MinMaxInfo,
BOOL SendMessage)
{
POINT Size;
PWINDOW_OBJECT Window = NULL;
PWND Wnd;
MINMAXINFO SafeMinMax;
NTSTATUS Status;
BOOL ret;
USER_REFERENCE_ENTRY Ref;
DPRINT("Enter NtUserGetMinMaxInfo\n");
UserEnterExclusive();
if(!(Window = UserGetWindowObject(hWnd)))
{
ret = FALSE;
goto cleanup;
}
UserRefObjectCo(Window, &Ref);
Wnd = Window->Wnd;
Size.x = Window->Wnd->rcWindow.left;
Size.y = Window->Wnd->rcWindow.top;
WinPosInitInternalPos(Window, &Size,
&Wnd->rcWindow);
co_WinPosGetMinMaxInfo(Window, &SafeMinMax.ptMaxSize, &SafeMinMax.ptMaxPosition,
&SafeMinMax.ptMinTrackSize, &SafeMinMax.ptMaxTrackSize);
Status = MmCopyToCaller(MinMaxInfo, &SafeMinMax, sizeof(MINMAXINFO));
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
ret = FALSE;
goto cleanup;
}
ret = TRUE;
cleanup:
if (Window) UserDerefObjectCo(Window);
DPRINT("Leave NtUserGetMinMaxInfo, ret=%i\n", ret);
UserLeave();
return ret;
}
/* EOF */
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