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wine/windows/winpos.c
Alexandre Julliard 618a7e5813 Added support for window regions in the server.
2004-06-29 03:53:25 +00:00

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/*
* Window position related functions.
*
* Copyright 1993, 1994, 1995 Alexandre Julliard
* 1995, 1996, 1999 Alex Korobka
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <string.h>
#include "winerror.h"
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winerror.h"
#include "wine/winuser16.h"
#include "wine/server.h"
#include "controls.h"
#include "user.h"
#include "win.h"
#include "message.h"
#include "winpos.h"
#include "nonclient.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(win);
#define HAS_DLGFRAME(style,exStyle) \
(((exStyle) & WS_EX_DLGMODALFRAME) || \
(((style) & WS_DLGFRAME) && !((style) & WS_BORDER)))
#define HAS_THICKFRAME(style) \
(((style) & WS_THICKFRAME) && \
!(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
#define EMPTYPOINT(pt) ((*(LONG*)&(pt)) == -1)
#define PLACE_MIN 0x0001
#define PLACE_MAX 0x0002
#define PLACE_RECT 0x0004
#define DWP_MAGIC ((INT)('W' | ('P' << 8) | ('O' << 16) | ('S' << 24)))
typedef struct
{
INT actualCount;
INT suggestedCount;
BOOL valid;
INT wMagic;
HWND hwndParent;
WINDOWPOS winPos[1];
} DWP;
/* ----- internal variables ----- */
static LPCSTR atomInternalPos;
/***********************************************************************
* WINPOS_CreateInternalPosAtom
*/
BOOL WINPOS_CreateInternalPosAtom()
{
LPCSTR str = "SysIP";
atomInternalPos = (LPCSTR)(DWORD)GlobalAddAtomA(str);
return (atomInternalPos) ? TRUE : FALSE;
}
/***********************************************************************
* WINPOS_CheckInternalPos
*
* Called when a window is destroyed.
*/
void WINPOS_CheckInternalPos( HWND hwnd )
{
LPINTERNALPOS lpPos = (LPINTERNALPOS) GetPropA( hwnd, atomInternalPos );
if( lpPos )
{
if( IsWindow(lpPos->hwndIconTitle) )
DestroyWindow( lpPos->hwndIconTitle );
HeapFree( GetProcessHeap(), 0, lpPos );
}
}
/***********************************************************************
* ArrangeIconicWindows (USER32.@)
*/
UINT WINAPI ArrangeIconicWindows( HWND parent )
{
RECT rectParent;
HWND hwndChild;
INT x, y, xspacing, yspacing;
GetClientRect( parent, &rectParent );
x = rectParent.left;
y = rectParent.bottom;
xspacing = GetSystemMetrics(SM_CXICONSPACING);
yspacing = GetSystemMetrics(SM_CYICONSPACING);
hwndChild = GetWindow( parent, GW_CHILD );
while (hwndChild)
{
if( IsIconic( hwndChild ) )
{
WINPOS_ShowIconTitle( hwndChild, FALSE );
SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
if( IsWindow(hwndChild) )
WINPOS_ShowIconTitle(hwndChild , TRUE );
if (x <= rectParent.right - xspacing) x += xspacing;
else
{
x = rectParent.left;
y -= yspacing;
}
}
hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
}
return yspacing;
}
/***********************************************************************
* SwitchToThisWindow (USER32.@)
*/
void WINAPI SwitchToThisWindow( HWND hwnd, BOOL restore )
{
ShowWindow( hwnd, restore ? SW_RESTORE : SW_SHOWMINIMIZED );
}
/***********************************************************************
* GetWindowRect (USER32.@)
*/
BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect )
{
BOOL ret = WIN_GetRectangles( hwnd, rect, NULL );
if (ret)
{
MapWindowPoints( GetAncestor( hwnd, GA_PARENT ), 0, (POINT *)rect, 2 );
TRACE( "hwnd %p (%ld,%ld)-(%ld,%ld)\n",
hwnd, rect->left, rect->top, rect->right, rect->bottom);
}
return ret;
}
/***********************************************************************
* GetWindowRgn (USER32.@)
*/
int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
{
int nRet = ERROR;
HRGN win_rgn = 0;
RGNDATA *data;
size_t size = 256;
BOOL retry = FALSE;
do
{
if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 )))
{
SetLastError( ERROR_OUTOFMEMORY );
return ERROR;
}
SERVER_START_REQ( get_window_region )
{
req->window = hwnd;
wine_server_set_reply( req, data->Buffer, size );
if (!wine_server_call_err( req ))
{
if (!reply->total_size) retry = FALSE; /* no region at all */
else if (reply->total_size <= size)
{
size_t reply_size = wine_server_reply_size( reply );
data->rdh.dwSize = sizeof(data->rdh);
data->rdh.iType = RDH_RECTANGLES;
data->rdh.nCount = reply_size / sizeof(RECT);
data->rdh.nRgnSize = reply_size;
win_rgn = ExtCreateRegion( NULL, size, data );
retry = FALSE;
}
else
{
size = reply->total_size;
retry = TRUE;
}
}
}
SERVER_END_REQ;
HeapFree( GetProcessHeap(), 0, data );
} while (retry);
if (win_rgn)
{
nRet = CombineRgn( hrgn, win_rgn, 0, RGN_COPY );
DeleteObject( win_rgn );
}
return nRet;
}
/***********************************************************************
* SetWindowRgn (USER32.@)
*/
int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
{
static const RECT empty_rect;
WND *wndPtr;
BOOL ret;
if (hrgn)
{
RGNDATA *data;
DWORD size;
if (!(size = GetRegionData( hrgn, 0, NULL ))) return FALSE;
if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
if (!GetRegionData( hrgn, size, data ))
{
HeapFree( GetProcessHeap(), 0, data );
return FALSE;
}
SERVER_START_REQ( set_window_region )
{
req->window = hwnd;
if (data->rdh.nCount)
wine_server_add_data( req, data->Buffer, data->rdh.nCount * sizeof(RECT) );
else
wine_server_add_data( req, &empty_rect, sizeof(empty_rect) );
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
}
else /* clear existing region */
{
SERVER_START_REQ( set_window_region )
{
req->window = hwnd;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
}
if (!ret) return FALSE;
if ((wndPtr = WIN_GetPtr( hwnd )) == WND_OTHER_PROCESS)
{
if (IsWindow( hwnd ))
FIXME( "not properly supported on other process window %p\n", hwnd );
wndPtr = NULL;
}
if (!wndPtr)
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return FALSE;
}
if (wndPtr->hrgnWnd == hrgn)
{
WIN_ReleasePtr( wndPtr );
return TRUE;
}
if (wndPtr->hrgnWnd)
{
/* delete previous region */
DeleteObject(wndPtr->hrgnWnd);
wndPtr->hrgnWnd = 0;
}
wndPtr->hrgnWnd = hrgn;
WIN_ReleasePtr( wndPtr );
if (USER_Driver.pSetWindowRgn)
ret = USER_Driver.pSetWindowRgn( hwnd, hrgn, bRedraw );
if (ret && bRedraw) RedrawWindow( hwnd, NULL, 0, RDW_FRAME | RDW_INVALIDATE | RDW_ERASE );
return ret;
}
/***********************************************************************
* GetClientRect (USER32.@)
*/
BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
{
BOOL ret;
rect->right = rect->bottom = 0;
if ((ret = WIN_GetRectangles( hwnd, NULL, rect )))
{
rect->right -= rect->left;
rect->bottom -= rect->top;
}
rect->left = rect->top = 0;
return ret;
}
/*******************************************************************
* ClientToScreen (USER32.@)
*/
BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
{
MapWindowPoints( hwnd, 0, lppnt, 1 );
return TRUE;
}
/*******************************************************************
* ScreenToClient (USER32.@)
*/
BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
{
MapWindowPoints( 0, hwnd, lppnt, 1 );
return TRUE;
}
/***********************************************************************
* find_child_from_point
*
* Find the child that contains pt. Helper for WindowFromPoint.
* pt is in parent client coordinates.
* lparam is the param to pass in the WM_NCHITTEST message.
*/
static HWND find_child_from_point( HWND parent, POINT pt, INT *hittest, LPARAM lparam )
{
int i, res;
LONG style, exstyle;
RECT rectWindow, rectClient;
WND *wndPtr;
HWND *list = WIN_ListChildren( parent );
HWND retvalue = 0;
if (!list) return 0;
for (i = 0; list[i]; i++)
{
/* If point is in window, and window is visible, and it */
/* is enabled (or it's a top-level window), then explore */
/* its children. Otherwise, go to the next window. */
style = GetWindowLongW( list[i], GWL_STYLE );
if (!(style & WS_VISIBLE)) continue; /* not visible -> skip */
if ((style & (WS_POPUP | WS_CHILD | WS_DISABLED)) == (WS_CHILD | WS_DISABLED))
continue; /* disabled child -> skip */
exstyle = GetWindowLongW( list[i], GWL_EXSTYLE );
if ((exstyle & (WS_EX_LAYERED | WS_EX_TRANSPARENT)) == (WS_EX_LAYERED | WS_EX_TRANSPARENT))
continue; /* transparent -> skip */
if (!WIN_GetRectangles( list[i], &rectWindow, &rectClient )) continue;
if (!PtInRect( &rectWindow, pt )) continue; /* not in window -> skip */
/* FIXME: check window region for other processes too */
if ((wndPtr = WIN_GetPtr( list[i] )) && wndPtr != WND_OTHER_PROCESS)
{
if (wndPtr->hrgnWnd && !PtInRegion( wndPtr->hrgnWnd,
pt.x - rectWindow.left, pt.y - rectWindow.top ))
{
WIN_ReleasePtr( wndPtr );
continue; /* point outside window region -> skip */
}
WIN_ReleasePtr( wndPtr );
}
/* If window is minimized or disabled, return at once */
if (style & WS_MINIMIZE)
{
*hittest = HTCAPTION;
retvalue = list[i];
break;
}
if (style & WS_DISABLED)
{
*hittest = HTERROR;
retvalue = list[i];
break;
}
/* If point is in client area, explore children */
if (PtInRect( &rectClient, pt ))
{
POINT new_pt;
new_pt.x = pt.x - rectClient.left;
new_pt.y = pt.y - rectClient.top;
if ((retvalue = find_child_from_point( list[i], new_pt, hittest, lparam ))) break;
}
/* Now it's inside window, send WM_NCCHITTEST (if same thread) */
if (!WIN_IsCurrentThread( list[i] ))
{
*hittest = HTCLIENT;
retvalue = list[i];
break;
}
if ((res = SendMessageA( list[i], WM_NCHITTEST, 0, lparam )) != HTTRANSPARENT)
{
*hittest = res; /* Found the window */
retvalue = list[i];
break;
}
/* continue search with next sibling */
}
HeapFree( GetProcessHeap(), 0, list );
return retvalue;
}
/***********************************************************************
* WINPOS_WindowFromPoint
*
* Find the window and hittest for a given point.
*/
HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
{
POINT xy = pt;
int res;
LONG style;
TRACE("scope %p %ld,%ld\n", hwndScope, pt.x, pt.y);
if (!hwndScope) hwndScope = GetDesktopWindow();
style = GetWindowLongW( hwndScope, GWL_STYLE );
*hittest = HTERROR;
if (style & WS_DISABLED) return 0;
MapWindowPoints( GetDesktopWindow(), GetAncestor( hwndScope, GA_PARENT ), &xy, 1 );
if (!(style & WS_MINIMIZE))
{
RECT rectClient;
if (WIN_GetRectangles( hwndScope, NULL, &rectClient ) && PtInRect( &rectClient, xy ))
{
HWND ret;
xy.x -= rectClient.left;
xy.y -= rectClient.top;
if ((ret = find_child_from_point( hwndScope, xy, hittest, MAKELONG( pt.x, pt.y ) )))
{
TRACE( "found child %p\n", ret );
return ret;
}
}
}
/* If nothing found, try the scope window */
if (!WIN_IsCurrentThread( hwndScope ))
{
*hittest = HTCLIENT;
TRACE( "returning %p\n", hwndScope );
return hwndScope;
}
res = SendMessageA( hwndScope, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
if (res != HTTRANSPARENT)
{
*hittest = res; /* Found the window */
TRACE( "returning %p\n", hwndScope );
return hwndScope;
}
*hittest = HTNOWHERE;
TRACE( "nothing found\n" );
return 0;
}
/*******************************************************************
* WindowFromPoint (USER32.@)
*/
HWND WINAPI WindowFromPoint( POINT pt )
{
INT hittest;
return WINPOS_WindowFromPoint( 0, pt, &hittest );
}
/*******************************************************************
* ChildWindowFromPoint (USER32.@)
*/
HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
{
return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
}
/*******************************************************************
* ChildWindowFromPointEx (USER32.@)
*/
HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
{
/* pt is in the client coordinates */
HWND *list;
int i;
RECT rect;
HWND retvalue;
GetClientRect( hwndParent, &rect );
if (!PtInRect( &rect, pt )) return 0;
if (!(list = WIN_ListChildren( hwndParent ))) return 0;
for (i = 0; list[i]; i++)
{
if (!WIN_GetRectangles( list[i], &rect, NULL )) continue;
if (!PtInRect( &rect, pt )) continue;
if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
{
LONG style = GetWindowLongW( list[i], GWL_STYLE );
if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
}
if (uFlags & CWP_SKIPTRANSPARENT)
{
if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
}
break;
}
retvalue = list[i];
HeapFree( GetProcessHeap(), 0, list );
if (!retvalue) retvalue = hwndParent;
return retvalue;
}
/*******************************************************************
* WINPOS_GetWinOffset
*
* Calculate the offset between the origin of the two windows. Used
* to implement MapWindowPoints.
*/
static void WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, POINT *offset )
{
WND * wndPtr;
offset->x = offset->y = 0;
/* Translate source window origin to screen coords */
if (hwndFrom)
{
HWND hwnd = hwndFrom;
while (hwnd)
{
if (hwnd == hwndTo) return;
if (!(wndPtr = WIN_GetPtr( hwnd )))
{
ERR( "bad hwndFrom = %p\n", hwnd );
return;
}
if (wndPtr == WND_OTHER_PROCESS) goto other_process;
offset->x += wndPtr->rectClient.left;
offset->y += wndPtr->rectClient.top;
hwnd = wndPtr->parent;
WIN_ReleasePtr( wndPtr );
}
}
/* Translate origin to destination window coords */
if (hwndTo)
{
HWND hwnd = hwndTo;
while (hwnd)
{
if (!(wndPtr = WIN_GetPtr( hwnd )))
{
ERR( "bad hwndTo = %p\n", hwnd );
return;
}
if (wndPtr == WND_OTHER_PROCESS) goto other_process;
offset->x -= wndPtr->rectClient.left;
offset->y -= wndPtr->rectClient.top;
hwnd = wndPtr->parent;
WIN_ReleasePtr( wndPtr );
}
}
return;
other_process: /* one of the parents may belong to another process, do it the hard way */
offset->x = offset->y = 0;
SERVER_START_REQ( get_windows_offset )
{
req->from = hwndFrom;
req->to = hwndTo;
if (!wine_server_call( req ))
{
offset->x = reply->x;
offset->y = reply->y;
}
}
SERVER_END_REQ;
}
/*******************************************************************
* MapWindowPoints (USER.258)
*/
void WINAPI MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
LPPOINT16 lppt, UINT16 count )
{
POINT offset;
WINPOS_GetWinOffset( WIN_Handle32(hwndFrom), WIN_Handle32(hwndTo), &offset );
while (count--)
{
lppt->x += offset.x;
lppt->y += offset.y;
lppt++;
}
}
/*******************************************************************
* MapWindowPoints (USER32.@)
*/
INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
{
POINT offset;
WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
while (count--)
{
lppt->x += offset.x;
lppt->y += offset.y;
lppt++;
}
return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
}
/***********************************************************************
* IsIconic (USER32.@)
*/
BOOL WINAPI IsIconic(HWND hWnd)
{
return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
}
/***********************************************************************
* IsZoomed (USER32.@)
*/
BOOL WINAPI IsZoomed(HWND hWnd)
{
return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
}
/*******************************************************************
* AllowSetForegroundWindow (USER32.@)
*/
BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
{
/* FIXME: If Win98/2000 style SetForegroundWindow behavior is
* implemented, then fix this function. */
return TRUE;
}
/*******************************************************************
* LockSetForegroundWindow (USER32.@)
*/
BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
{
/* FIXME: If Win98/2000 style SetForegroundWindow behavior is
* implemented, then fix this function. */
return TRUE;
}
/***********************************************************************
* BringWindowToTop (USER32.@)
*/
BOOL WINAPI BringWindowToTop( HWND hwnd )
{
return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
}
/***********************************************************************
* MoveWindow (USER32.@)
*/
BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
BOOL repaint )
{
int flags = SWP_NOZORDER | SWP_NOACTIVATE;
if (!repaint) flags |= SWP_NOREDRAW;
TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
}
/***********************************************************************
* WINPOS_InitInternalPos
*/
static LPINTERNALPOS WINPOS_InitInternalPos( WND* wnd, POINT pt, const RECT *restoreRect )
{
LPINTERNALPOS lpPos = (LPINTERNALPOS) GetPropA( wnd->hwndSelf,
atomInternalPos );
if( !lpPos )
{
/* this happens when the window is minimized/maximized
* for the first time (rectWindow is not adjusted yet) */
lpPos = HeapAlloc( GetProcessHeap(), 0, sizeof(INTERNALPOS) );
if( !lpPos ) return NULL;
SetPropA( wnd->hwndSelf, atomInternalPos, (HANDLE)lpPos );
lpPos->hwndIconTitle = 0; /* defer until needs to be shown */
CONV_RECT32TO16( &wnd->rectWindow, &lpPos->rectNormal );
*(UINT*)&lpPos->ptIconPos = *(UINT*)&lpPos->ptMaxPos = 0xFFFFFFFF;
}
if( wnd->dwStyle & WS_MINIMIZE )
CONV_POINT32TO16( &pt, &lpPos->ptIconPos );
else if( wnd->dwStyle & WS_MAXIMIZE )
CONV_POINT32TO16( &pt, &lpPos->ptMaxPos );
else if( restoreRect )
CONV_RECT32TO16( restoreRect, &lpPos->rectNormal );
return lpPos;
}
/***********************************************************************
* WINPOS_RedrawIconTitle
*/
BOOL WINPOS_RedrawIconTitle( HWND hWnd )
{
LPINTERNALPOS lpPos = (LPINTERNALPOS)GetPropA( hWnd, atomInternalPos );
if( lpPos )
{
if( lpPos->hwndIconTitle )
{
SendMessageA( lpPos->hwndIconTitle, WM_SHOWWINDOW, TRUE, 0);
InvalidateRect( lpPos->hwndIconTitle, NULL, TRUE );
return TRUE;
}
}
return FALSE;
}
/***********************************************************************
* WINPOS_ShowIconTitle
*/
BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
{
LPINTERNALPOS lpPos = (LPINTERNALPOS)GetPropA( hwnd, atomInternalPos );
if( lpPos && !(GetWindowLongA( hwnd, GWL_EXSTYLE) & WS_EX_MANAGED))
{
HWND title = lpPos->hwndIconTitle;
TRACE("%p %i\n", hwnd, (bShow != 0) );
if( !title )
lpPos->hwndIconTitle = title = ICONTITLE_Create( hwnd );
if( bShow )
{
if (!IsWindowVisible(title))
{
SendMessageA( title, WM_SHOWWINDOW, TRUE, 0 );
SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
}
}
else ShowWindow( title, SW_HIDE );
}
return FALSE;
}
/*******************************************************************
* WINPOS_GetMinMaxInfo
*
* Get the minimized and maximized information for a window.
*/
void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
POINT *minTrack, POINT *maxTrack )
{
LPINTERNALPOS lpPos;
MINMAXINFO MinMax;
INT xinc, yinc;
LONG style = GetWindowLongA( hwnd, GWL_STYLE );
LONG exstyle = GetWindowLongA( hwnd, GWL_EXSTYLE );
RECT rc;
/* Compute default values */
GetWindowRect(hwnd, &rc);
MinMax.ptReserved.x = rc.left;
MinMax.ptReserved.y = rc.top;
if (style & WS_CHILD)
{
if ((style & WS_CAPTION) == WS_CAPTION)
style &= ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
GetClientRect(GetParent(hwnd), &rc);
AdjustWindowRectEx(&rc, style, 0, exstyle);
/* avoid calculating this twice */
style &= ~(WS_DLGFRAME | WS_BORDER | WS_THICKFRAME);
MinMax.ptMaxSize.x = rc.right - rc.left;
MinMax.ptMaxSize.y = rc.bottom - rc.top;
}
else
{
MinMax.ptMaxSize.x = GetSystemMetrics(SM_CXSCREEN);
MinMax.ptMaxSize.y = GetSystemMetrics(SM_CYSCREEN);
}
MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXSCREEN);
MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYSCREEN);
if (HAS_DLGFRAME( style, exstyle ))
{
xinc = GetSystemMetrics(SM_CXDLGFRAME);
yinc = GetSystemMetrics(SM_CYDLGFRAME);
}
else
{
xinc = yinc = 0;
if (HAS_THICKFRAME(style))
{
xinc += GetSystemMetrics(SM_CXFRAME);
yinc += GetSystemMetrics(SM_CYFRAME);
}
if (style & WS_BORDER)
{
xinc += GetSystemMetrics(SM_CXBORDER);
yinc += GetSystemMetrics(SM_CYBORDER);
}
}
MinMax.ptMaxSize.x += 2 * xinc;
MinMax.ptMaxSize.y += 2 * yinc;
lpPos = (LPINTERNALPOS)GetPropA( hwnd, atomInternalPos );
if( lpPos && !EMPTYPOINT(lpPos->ptMaxPos) )
CONV_POINT16TO32( &lpPos->ptMaxPos, &MinMax.ptMaxPosition );
else
{
MinMax.ptMaxPosition.x = -xinc;
MinMax.ptMaxPosition.y = -yinc;
}
SendMessageA( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
/* Some sanity checks */
TRACE("%ld %ld / %ld %ld / %ld %ld / %ld %ld\n",
MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
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;
}
/***********************************************************************
* ShowWindowAsync (USER32.@)
*
* doesn't wait; returns immediately.
* used by threads to toggle windows in other (possibly hanging) threads
*/
BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
{
HWND full_handle;
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if ((full_handle = WIN_IsCurrentThread( hwnd )))
return USER_Driver.pShowWindow( full_handle, cmd );
return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
}
/***********************************************************************
* ShowWindow (USER32.@)
*/
BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
{
HWND full_handle;
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if ((full_handle = WIN_IsCurrentThread( hwnd )))
{
if (USER_Driver.pShowWindow)
return USER_Driver.pShowWindow( full_handle, cmd );
return FALSE;
}
return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
}
/***********************************************************************
* GetInternalWindowPos (USER32.@)
*/
UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
LPPOINT ptIcon )
{
WINDOWPLACEMENT wndpl;
if (GetWindowPlacement( hwnd, &wndpl ))
{
if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
if (ptIcon) *ptIcon = wndpl.ptMinPosition;
return wndpl.showCmd;
}
return 0;
}
/***********************************************************************
* GetWindowPlacement (USER32.@)
*
* Win95:
* Fails if wndpl->length of Win95 (!) apps is invalid.
*/
BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
{
WND *pWnd = WIN_FindWndPtr( hwnd );
LPINTERNALPOS lpPos;
if(!pWnd ) return FALSE;
lpPos = WINPOS_InitInternalPos( pWnd, *(LPPOINT)&pWnd->rectWindow.left, &pWnd->rectWindow );
wndpl->length = sizeof(*wndpl);
if( pWnd->dwStyle & WS_MINIMIZE )
wndpl->showCmd = SW_SHOWMINIMIZED;
else
wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
if( pWnd->flags & WIN_RESTORE_MAX )
wndpl->flags = WPF_RESTORETOMAXIMIZED;
else
wndpl->flags = 0;
CONV_POINT16TO32( &lpPos->ptIconPos, &wndpl->ptMinPosition );
CONV_POINT16TO32( &lpPos->ptMaxPos, &wndpl->ptMaxPosition );
CONV_RECT16TO32( &lpPos->rectNormal, &wndpl->rcNormalPosition );
WIN_ReleaseWndPtr(pWnd);
return TRUE;
}
/***********************************************************************
* WINPOS_SetPlacement
*/
static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
{
WND *pWnd = WIN_FindWndPtr( hwnd );
if( pWnd )
{
LPINTERNALPOS lpPos = (LPINTERNALPOS)WINPOS_InitInternalPos( pWnd,
*(LPPOINT)&pWnd->rectWindow.left, &pWnd->rectWindow );
if( flags & PLACE_MIN ) CONV_POINT32TO16( &wndpl->ptMinPosition, &lpPos->ptIconPos );
if( flags & PLACE_MAX ) CONV_POINT32TO16( &wndpl->ptMaxPosition, &lpPos->ptMaxPos );
if( flags & PLACE_RECT) CONV_RECT32TO16( &wndpl->rcNormalPosition, &lpPos->rectNormal );
if( pWnd->dwStyle & WS_MINIMIZE )
{
WINPOS_ShowIconTitle( pWnd->hwndSelf, FALSE );
if( wndpl->flags & WPF_SETMINPOSITION && !EMPTYPOINT(lpPos->ptIconPos))
SetWindowPos( hwnd, 0, lpPos->ptIconPos.x, lpPos->ptIconPos.y,
0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
}
else if( pWnd->dwStyle & WS_MAXIMIZE )
{
if( !EMPTYPOINT(lpPos->ptMaxPos) )
SetWindowPos( hwnd, 0, lpPos->ptMaxPos.x, lpPos->ptMaxPos.y,
0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
}
else if( flags & PLACE_RECT )
SetWindowPos( hwnd, 0, lpPos->rectNormal.left, lpPos->rectNormal.top,
lpPos->rectNormal.right - lpPos->rectNormal.left,
lpPos->rectNormal.bottom - lpPos->rectNormal.top,
SWP_NOZORDER | SWP_NOACTIVATE );
ShowWindow( hwnd, wndpl->showCmd );
if( IsWindow(hwnd) && pWnd->dwStyle & WS_MINIMIZE )
{
if( pWnd->dwStyle & WS_VISIBLE ) WINPOS_ShowIconTitle( pWnd->hwndSelf, TRUE );
/* SDK: ...valid only the next time... */
if( wndpl->flags & WPF_RESTORETOMAXIMIZED ) pWnd->flags |= WIN_RESTORE_MAX;
}
WIN_ReleaseWndPtr(pWnd);
return TRUE;
}
return FALSE;
}
/***********************************************************************
* SetWindowPlacement (USER32.@)
*
* Win95:
* Fails if wndpl->length of Win95 (!) apps is invalid.
*/
BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
{
if (!wpl) return FALSE;
return WINPOS_SetPlacement( hwnd, wpl, PLACE_MIN | PLACE_MAX | PLACE_RECT );
}
/***********************************************************************
* AnimateWindow (USER32.@)
* Shows/Hides a window with an animation
* NO ANIMATION YET
*/
BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
{
FIXME("partial stub\n");
/* If trying to show/hide and it's already *
* shown/hidden or invalid window, fail with *
* invalid parameter */
if(!IsWindow(hwnd) ||
(IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
(!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
return TRUE;
}
/***********************************************************************
* SetInternalWindowPos (USER32.@)
*/
void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
LPRECT rect, LPPOINT pt )
{
if( IsWindow(hwnd) )
{
WINDOWPLACEMENT wndpl;
UINT flags;
wndpl.length = sizeof(wndpl);
wndpl.showCmd = showCmd;
wndpl.flags = flags = 0;
if( pt )
{
flags |= PLACE_MIN;
wndpl.flags |= WPF_SETMINPOSITION;
wndpl.ptMinPosition = *pt;
}
if( rect )
{
flags |= PLACE_RECT;
wndpl.rcNormalPosition = *rect;
}
WINPOS_SetPlacement( hwnd, &wndpl, flags );
}
}
/*******************************************************************
* can_activate_window
*
* Check if we can activate the specified window.
*/
static BOOL can_activate_window( HWND hwnd )
{
LONG style;
if (!hwnd) return FALSE;
style = GetWindowLongW( hwnd, GWL_STYLE );
if (!(style & WS_VISIBLE)) return FALSE;
if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
return !(style & WS_DISABLED);
}
/*******************************************************************
* WINPOS_ActivateOtherWindow
*
* Activates window other than pWnd.
*/
void WINPOS_ActivateOtherWindow(HWND hwnd)
{
HWND hwndTo, fg;
if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
{
hwndTo = GetAncestor( hwndTo, GA_ROOT );
if (can_activate_window( hwndTo )) goto done;
}
hwndTo = hwnd;
for (;;)
{
if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
if (can_activate_window( hwndTo )) break;
}
done:
fg = GetForegroundWindow();
TRACE("win = %p fg = %p\n", hwndTo, fg);
if (!fg || (hwnd == fg))
{
if (SetForegroundWindow( hwndTo )) return;
}
if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
}
/***********************************************************************
* WINPOS_HandleWindowPosChanging16
*
* Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
*/
LONG WINPOS_HandleWindowPosChanging16( HWND hwnd, WINDOWPOS16 *winpos )
{
POINT minTrack, maxTrack;
LONG style = GetWindowLongW( hwnd, GWL_STYLE );
if (winpos->flags & SWP_NOSIZE) return 0;
if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
{
WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
if (!(style & WS_MINIMIZE))
{
if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
}
}
return 0;
}
/***********************************************************************
* WINPOS_HandleWindowPosChanging
*
* Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
*/
LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
{
POINT minTrack, maxTrack;
LONG style = GetWindowLongW( hwnd, GWL_STYLE );
if (winpos->flags & SWP_NOSIZE) return 0;
if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
{
WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
if (!(style & WS_MINIMIZE))
{
if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
}
}
return 0;
}
/***********************************************************************
* dump_winpos_flags
*/
static void dump_winpos_flags(UINT flags)
{
TRACE("flags:");
if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
#define DUMPED_FLAGS \
(SWP_NOSIZE | \
SWP_NOMOVE | \
SWP_NOZORDER | \
SWP_NOREDRAW | \
SWP_NOACTIVATE | \
SWP_FRAMECHANGED | \
SWP_SHOWWINDOW | \
SWP_HIDEWINDOW | \
SWP_NOCOPYBITS | \
SWP_NOOWNERZORDER | \
SWP_NOSENDCHANGING | \
SWP_DEFERERASE | \
SWP_ASYNCWINDOWPOS)
if(flags & ~DUMPED_FLAGS) TRACE(" %08x", flags & ~DUMPED_FLAGS);
TRACE("\n");
#undef DUMPED_FLAGS
}
/***********************************************************************
* SetWindowPos (USER32.@)
*/
BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
INT x, INT y, INT cx, INT cy, UINT flags )
{
WINDOWPOS winpos;
TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
hwnd, hwndInsertAfter, x, y, cx, cy, flags);
if(TRACE_ON(win)) dump_winpos_flags(flags);
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
winpos.hwnd = WIN_GetFullHandle(hwnd);
winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
winpos.x = x;
winpos.y = y;
winpos.cx = cx;
winpos.cy = cy;
winpos.flags = flags;
if (WIN_IsCurrentThread( hwnd )) return USER_Driver.pSetWindowPos( &winpos );
return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
}
/***********************************************************************
* BeginDeferWindowPos (USER32.@)
*/
HDWP WINAPI BeginDeferWindowPos( INT count )
{
HDWP handle;
DWP *pDWP;
TRACE("%d\n", count);
if (count < 0)
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
/* Windows allows zero count, in which case it allocates context for 8 moves */
if (count == 0) count = 8;
handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
if (!handle) return 0;
pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
pDWP->actualCount = 0;
pDWP->suggestedCount = count;
pDWP->valid = TRUE;
pDWP->wMagic = DWP_MAGIC;
pDWP->hwndParent = 0;
TRACE("returning hdwp %p\n", handle);
return handle;
}
/***********************************************************************
* DeferWindowPos (USER32.@)
*/
HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
INT x, INT y, INT cx, INT cy,
UINT flags )
{
DWP *pDWP;
int i;
HDWP newhdwp = hdwp,retvalue;
TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
hwnd = WIN_GetFullHandle( hwnd );
if (hwnd == GetDesktopWindow()) return 0;
if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
USER_Lock();
for (i = 0; i < pDWP->actualCount; i++)
{
if (pDWP->winPos[i].hwnd == hwnd)
{
/* Merge with the other changes */
if (!(flags & SWP_NOZORDER))
{
pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
}
if (!(flags & SWP_NOMOVE))
{
pDWP->winPos[i].x = x;
pDWP->winPos[i].y = y;
}
if (!(flags & SWP_NOSIZE))
{
pDWP->winPos[i].cx = cx;
pDWP->winPos[i].cy = cy;
}
pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
SWP_NOZORDER | SWP_NOREDRAW |
SWP_NOACTIVATE | SWP_NOCOPYBITS|
SWP_NOOWNERZORDER);
pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
SWP_FRAMECHANGED);
retvalue = hdwp;
goto END;
}
}
if (pDWP->actualCount >= pDWP->suggestedCount)
{
newhdwp = USER_HEAP_REALLOC( hdwp,
sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
if (!newhdwp)
{
retvalue = 0;
goto END;
}
pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
pDWP->suggestedCount++;
}
pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
pDWP->winPos[pDWP->actualCount].x = x;
pDWP->winPos[pDWP->actualCount].y = y;
pDWP->winPos[pDWP->actualCount].cx = cx;
pDWP->winPos[pDWP->actualCount].cy = cy;
pDWP->winPos[pDWP->actualCount].flags = flags;
pDWP->actualCount++;
retvalue = newhdwp;
END:
USER_Unlock();
return retvalue;
}
/***********************************************************************
* EndDeferWindowPos (USER32.@)
*/
BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
{
DWP *pDWP;
WINDOWPOS *winpos;
BOOL res = TRUE;
int i;
TRACE("%p\n", hdwp);
pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
if (!pDWP) return FALSE;
for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
{
if (!(res = USER_Driver.pSetWindowPos( winpos ))) break;
}
USER_HEAP_FREE( hdwp );
return res;
}
/***********************************************************************
* TileChildWindows (USER.199)
*/
void WINAPI TileChildWindows16( HWND16 parent, WORD action )
{
FIXME("(%04x, %d): stub\n", parent, action);
}
/***********************************************************************
* CascadeChildWindows (USER.198)
*/
void WINAPI CascadeChildWindows16( HWND16 parent, WORD action )
{
FIXME("(%04x, %d): stub\n", parent, action);
}
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