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wine/dlls/user32/winpos.c
Dmitry Timoshkov 922dc31224 user32: Add a test for fullscreen window sizing, make it pass under Wine. 
It appears that Windows doesn't always restrict the window size by
the monitor work area. The tests pass under XP SP3 and Win98.
2008-10-17 11:42:31 +02:00

2628 lines
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <string.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winerror.h"
#include "wine/server.h"
#include "controls.h"
#include "user_private.h"
#include "win.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(win);
#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 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) ((pt).x == -1 && (pt).y == -1)
#define ON_LEFT_BORDER(hit) \
(((hit) == HTLEFT) || ((hit) == HTTOPLEFT) || ((hit) == HTBOTTOMLEFT))
#define ON_RIGHT_BORDER(hit) \
(((hit) == HTRIGHT) || ((hit) == HTTOPRIGHT) || ((hit) == HTBOTTOMRIGHT))
#define ON_TOP_BORDER(hit) \
(((hit) == HTTOP) || ((hit) == HTTOPLEFT) || ((hit) == HTTOPRIGHT))
#define ON_BOTTOM_BORDER(hit) \
(((hit) == HTBOTTOM) || ((hit) == HTBOTTOMLEFT) || ((hit) == HTBOTTOMRIGHT))
#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;
/***********************************************************************
* 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 (%s)\n", hwnd, wine_dbgstr_rect(rect) );
}
return ret;
}
/***********************************************************************
* GetWindowRgn (USER32.@)
*/
int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
{
int nRet = ERROR;
NTSTATUS status;
HRGN win_rgn = 0;
RGNDATA *data;
size_t size = 256;
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 (!(status = wine_server_call( req )))
{
size_t reply_size = wine_server_reply_size( reply );
if (reply_size)
{
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 );
}
}
else size = reply->total_size;
}
SERVER_END_REQ;
HeapFree( GetProcessHeap(), 0, data );
} while (status == STATUS_BUFFER_OVERFLOW);
if (status) SetLastError( RtlNtStatusToDosError(status) );
else 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;
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;
req->redraw = (bRedraw != 0);
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;
req->redraw = (bRedraw != 0);
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
}
if (ret) ret = USER_Driver->pSetWindowRgn( hwnd, hrgn, bRedraw );
if (ret)
{
UINT swp_flags = SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE;
if (!bRedraw) swp_flags |= SWP_NOREDRAW;
SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
invalidate_dce( hwnd, NULL );
}
return ret;
}
/***********************************************************************
* GetClientRect (USER32.@)
*/
BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
{
BOOL ret;
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;
}
/***********************************************************************
* list_children_from_point
*
* Get the list of children that can contain point from the server.
* Point is in screen coordinates.
* Returned list must be freed by caller.
*/
static HWND *list_children_from_point( HWND hwnd, POINT pt )
{
HWND *list;
int size = 128;
for (;;)
{
int count = 0;
if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
SERVER_START_REQ( get_window_children_from_point )
{
req->parent = hwnd;
req->x = pt.x;
req->y = pt.y;
wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
if (!wine_server_call( req )) count = reply->count;
}
SERVER_END_REQ;
if (count && count < size)
{
list[count] = 0;
return list;
}
HeapFree( GetProcessHeap(), 0, list );
if (!count) break;
size = count + 1; /* restart with a large enough buffer */
}
return NULL;
}
/***********************************************************************
* WINPOS_WindowFromPoint
*
* Find the window and hittest for a given point.
*/
HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
{
int i, res;
HWND ret, *list;
if (!hwndScope) hwndScope = GetDesktopWindow();
*hittest = HTNOWHERE;
if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
/* now determine the hittest */
for (i = 0; list[i]; i++)
{
LONG style = GetWindowLongW( list[i], GWL_STYLE );
/* If window is minimized or disabled, return at once */
if (style & WS_MINIMIZE)
{
*hittest = HTCAPTION;
break;
}
if (style & WS_DISABLED)
{
*hittest = HTERROR;
break;
}
/* Send WM_NCCHITTEST (if same thread) */
if (!WIN_IsCurrentThread( list[i] ))
{
*hittest = HTCLIENT;
break;
}
res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
if (res != HTTRANSPARENT)
{
*hittest = res; /* Found the window */
break;
}
/* continue search with next window in z-order */
}
ret = list[i];
HeapFree( GetProcessHeap(), 0, list );
TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
return ret;
}
/*******************************************************************
* 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 );
}
/*******************************************************************
* RealChildWindowFromPoint (USER32.@)
*/
HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
{
return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT );
}
/*******************************************************************
* 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 hwndParent;
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_DESKTOP) break;
if (wndPtr == WND_OTHER_PROCESS) goto other_process;
if (wndPtr->parent)
{
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_DESKTOP) break;
if (wndPtr == WND_OTHER_PROCESS) goto other_process;
if (wndPtr->parent)
{
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_RedrawIconTitle
*/
BOOL WINPOS_RedrawIconTitle( HWND hWnd )
{
HWND icon_title = 0;
WND *win = WIN_GetPtr( hWnd );
if (win && win != WND_OTHER_PROCESS && win != WND_DESKTOP)
{
icon_title = win->icon_title;
WIN_ReleasePtr( win );
}
if (!icon_title) return FALSE;
SendMessageW( icon_title, WM_SHOWWINDOW, TRUE, 0 );
InvalidateRect( icon_title, NULL, TRUE );
return TRUE;
}
/***********************************************************************
* WINPOS_ShowIconTitle
*/
static BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
{
if (!GetPropA( hwnd, "__wine_x11_managed" ))
{
WND *win = WIN_GetPtr( hwnd );
HWND title = 0;
TRACE("%p %i\n", hwnd, (bShow != 0) );
if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return FALSE;
title = win->icon_title;
WIN_ReleasePtr( win );
if( bShow )
{
if (!title)
{
title = ICONTITLE_Create( hwnd );
if (!(win = WIN_GetPtr( hwnd )) || win == WND_OTHER_PROCESS)
{
DestroyWindow( title );
return FALSE;
}
win->icon_title = title;
WIN_ReleasePtr( win );
}
if (!IsWindowVisible(title))
{
SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
}
}
else if (title) 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 )
{
MINMAXINFO MinMax;
HMONITOR monitor;
INT xinc, yinc;
LONG style = GetWindowLongW( hwnd, GWL_STYLE );
LONG exstyle = GetWindowLongW( hwnd, GWL_EXSTYLE );
RECT rc;
WND *win;
/* 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(GetAncestor(hwnd,GA_PARENT), &rc);
AdjustWindowRectEx(&rc, style, ((style & WS_POPUP) && GetMenu(hwnd)), 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_CXMAXTRACK);
MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
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;
MinMax.ptMaxPosition.x = -xinc;
MinMax.ptMaxPosition.y = -yinc;
if ((win = WIN_GetPtr( hwnd )) && win != WND_DESKTOP && win != WND_OTHER_PROCESS)
{
if (!EMPTYPOINT(win->max_pos)) MinMax.ptMaxPosition = win->max_pos;
WIN_ReleasePtr( win );
}
SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
/* if the app didn't change the values, adapt them for the current monitor */
if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
{
RECT rc_work;
MONITORINFO mon_info;
mon_info.cbSize = sizeof(mon_info);
GetMonitorInfoW( monitor, &mon_info );
rc_work = mon_info.rcMonitor;
if (style & WS_MAXIMIZEBOX)
{
if ((style & WS_CAPTION) == WS_CAPTION || !(style & (WS_CHILD | WS_POPUP)))
rc_work = mon_info.rcWork;
}
if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
MinMax.ptMaxSize.y == GetSystemMetrics(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;
}
}
/* Some sanity checks */
TRACE("%d %d / %d %d / %d %d / %d %d\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;
}
/***********************************************************************
* WINPOS_FindIconPos
*
* Find a suitable place for an iconic window.
*/
static POINT WINPOS_FindIconPos( HWND hwnd, POINT pt )
{
RECT rect, rectParent;
HWND parent, child;
HRGN hrgn, tmp;
int xspacing, yspacing;
parent = GetAncestor( hwnd, GA_PARENT );
GetClientRect( parent, &rectParent );
if ((pt.x >= rectParent.left) && (pt.x + GetSystemMetrics(SM_CXICON) < rectParent.right) &&
(pt.y >= rectParent.top) && (pt.y + GetSystemMetrics(SM_CYICON) < rectParent.bottom))
return pt; /* The icon already has a suitable position */
xspacing = GetSystemMetrics(SM_CXICONSPACING);
yspacing = GetSystemMetrics(SM_CYICONSPACING);
/* Check if another icon already occupies this spot */
/* FIXME: this is completely inefficient */
hrgn = CreateRectRgn( 0, 0, 0, 0 );
tmp = CreateRectRgn( 0, 0, 0, 0 );
for (child = GetWindow( parent, GW_HWNDFIRST ); child; child = GetWindow( child, GW_HWNDNEXT ))
{
WND *childPtr;
if (child == hwnd) continue;
if ((GetWindowLongW( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE))
continue;
if (!(childPtr = WIN_GetPtr( child )) || childPtr == WND_OTHER_PROCESS)
continue;
SetRectRgn( tmp, childPtr->rectWindow.left, childPtr->rectWindow.top,
childPtr->rectWindow.right, childPtr->rectWindow.bottom );
CombineRgn( hrgn, hrgn, tmp, RGN_OR );
WIN_ReleasePtr( childPtr );
}
DeleteObject( tmp );
for (rect.bottom = rectParent.bottom; rect.bottom >= yspacing; rect.bottom -= yspacing)
{
for (rect.left = rectParent.left; rect.left <= rectParent.right - xspacing; rect.left += xspacing)
{
rect.right = rect.left + xspacing;
rect.top = rect.bottom - yspacing;
if (!RectInRegion( hrgn, &rect ))
{
/* No window was found, so it's OK for us */
pt.x = rect.left + (xspacing - GetSystemMetrics(SM_CXICON)) / 2;
pt.y = rect.top + (yspacing - GetSystemMetrics(SM_CYICON)) / 2;
DeleteObject( hrgn );
return pt;
}
}
}
DeleteObject( hrgn );
pt.x = pt.y = 0;
return pt;
}
/***********************************************************************
* WINPOS_MinMaximize
*/
UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect )
{
WND *wndPtr;
UINT swpFlags = 0;
POINT size;
LONG old_style;
WINDOWPLACEMENT wpl;
TRACE("%p %u\n", hwnd, cmd );
wpl.length = sizeof(wpl);
GetWindowPlacement( hwnd, &wpl );
if (HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)hwnd, cmd, TRUE ))
return SWP_NOSIZE | SWP_NOMOVE;
if (IsIconic( hwnd ))
{
switch (cmd)
{
case SW_SHOWMINNOACTIVE:
case SW_SHOWMINIMIZED:
case SW_FORCEMINIMIZE:
case SW_MINIMIZE:
return SWP_NOSIZE | SWP_NOMOVE;
}
if (!SendMessageW( hwnd, WM_QUERYOPEN, 0, 0 )) return SWP_NOSIZE | SWP_NOMOVE;
swpFlags |= SWP_NOCOPYBITS;
}
switch( cmd )
{
case SW_SHOWMINNOACTIVE:
case SW_SHOWMINIMIZED:
case SW_FORCEMINIMIZE:
case SW_MINIMIZE:
if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
if( wndPtr->dwStyle & WS_MAXIMIZE) wndPtr->flags |= WIN_RESTORE_MAX;
else wndPtr->flags &= ~WIN_RESTORE_MAX;
WIN_ReleasePtr( wndPtr );
old_style = WIN_SetStyle( hwnd, WS_MINIMIZE, WS_MAXIMIZE );
wpl.ptMinPosition = WINPOS_FindIconPos( hwnd, wpl.ptMinPosition );
if (!(old_style & WS_MINIMIZE)) swpFlags |= SWP_STATECHANGED;
SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
wpl.ptMinPosition.x + GetSystemMetrics(SM_CXICON),
wpl.ptMinPosition.y + GetSystemMetrics(SM_CYICON) );
swpFlags |= SWP_NOCOPYBITS;
break;
case SW_MAXIMIZE:
old_style = GetWindowLongW( hwnd, GWL_STYLE );
if ((old_style & WS_MAXIMIZE) && (old_style & WS_VISIBLE)) return SWP_NOSIZE | SWP_NOMOVE;
WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL );
old_style = WIN_SetStyle( hwnd, WS_MAXIMIZE, WS_MINIMIZE );
if (old_style & WS_MINIMIZE) WINPOS_ShowIconTitle( hwnd, FALSE );
if (!(old_style & WS_MAXIMIZE)) swpFlags |= SWP_STATECHANGED;
SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
break;
case SW_SHOWNOACTIVATE:
case SW_SHOWNORMAL:
case SW_RESTORE:
old_style = WIN_SetStyle( hwnd, 0, WS_MINIMIZE | WS_MAXIMIZE );
if (old_style & WS_MINIMIZE)
{
BOOL restore_max;
WINPOS_ShowIconTitle( hwnd, FALSE );
if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
restore_max = (wndPtr->flags & WIN_RESTORE_MAX) != 0;
WIN_ReleasePtr( wndPtr );
if (restore_max)
{
/* Restore to maximized position */
WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL);
WIN_SetStyle( hwnd, WS_MAXIMIZE, 0 );
swpFlags |= SWP_STATECHANGED;
SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
break;
}
}
else if (!(old_style & WS_MAXIMIZE)) break;
swpFlags |= SWP_STATECHANGED;
/* Restore to normal position */
*rect = wpl.rcNormalPosition;
break;
}
return swpFlags;
}
/***********************************************************************
* show_window
*
* Implementation of ShowWindow and ShowWindowAsync.
*/
static BOOL show_window( HWND hwnd, INT cmd )
{
WND *wndPtr;
HWND parent;
LONG style = GetWindowLongW( hwnd, GWL_STYLE );
BOOL wasVisible = (style & WS_VISIBLE) != 0;
BOOL showFlag = TRUE;
RECT newPos = {0, 0, 0, 0};
UINT swp = 0;
TRACE("hwnd=%p, cmd=%d, wasVisible %d\n", hwnd, cmd, wasVisible);
switch(cmd)
{
case SW_HIDE:
if (!wasVisible) return FALSE;
showFlag = FALSE;
swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE;
if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
break;
case SW_SHOWMINNOACTIVE:
case SW_MINIMIZE:
case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
swp |= SWP_NOACTIVATE | SWP_NOZORDER;
/* fall through */
case SW_SHOWMINIMIZED:
swp |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
if ((style & WS_MINIMIZE) && wasVisible) return TRUE;
break;
case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
if (!wasVisible) swp |= SWP_SHOWWINDOW;
swp |= SWP_FRAMECHANGED;
swp |= WINPOS_MinMaximize( hwnd, SW_MAXIMIZE, &newPos );
if ((style & WS_MAXIMIZE) && wasVisible) return TRUE;
break;
case SW_SHOWNA:
swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
if (style & WS_CHILD) swp |= SWP_NOZORDER;
break;
case SW_SHOW:
if (wasVisible) return TRUE;
swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
break;
case SW_SHOWNOACTIVATE:
swp |= SWP_NOACTIVATE | SWP_NOZORDER;
/* fall through */
case SW_RESTORE:
/* fall through */
case SW_SHOWNORMAL: /* same as SW_NORMAL: */
case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
if (!wasVisible) swp |= SWP_SHOWWINDOW;
if (style & (WS_MINIMIZE | WS_MAXIMIZE))
{
swp |= SWP_FRAMECHANGED;
swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
}
else
{
if (wasVisible) return TRUE;
swp |= SWP_NOSIZE | SWP_NOMOVE;
}
if (style & WS_CHILD && !(swp & SWP_STATECHANGED)) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
break;
default:
return wasVisible;
}
if ((showFlag != wasVisible || cmd == SW_SHOWNA) && cmd != SW_SHOWMAXIMIZED && !(swp & SWP_STATECHANGED))
{
SendMessageW( hwnd, WM_SHOWWINDOW, showFlag, 0 );
if (!IsWindow( hwnd )) return wasVisible;
}
swp = USER_Driver->pShowWindow( hwnd, cmd, &newPos, swp );
parent = GetAncestor( hwnd, GA_PARENT );
if (parent && !IsWindowVisible( parent ) && !(swp & SWP_STATECHANGED))
{
/* if parent is not visible simply toggle WS_VISIBLE and return */
if (showFlag) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
else WIN_SetStyle( hwnd, 0, WS_VISIBLE );
}
else
SetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
newPos.right - newPos.left, newPos.bottom - newPos.top, swp );
if (cmd == SW_HIDE)
{
HWND hFocus;
WINPOS_ShowIconTitle( hwnd, FALSE );
/* 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 (hwnd == GetActiveWindow())
WINPOS_ActivateOtherWindow(hwnd);
/* Revert focus to parent */
hFocus = GetFocus();
if (hwnd == hFocus || IsChild(hwnd, hFocus))
{
HWND parent = GetAncestor(hwnd, GA_PARENT);
if (parent == GetDesktopWindow()) parent = 0;
SetFocus(parent);
}
return wasVisible;
}
if (IsIconic(hwnd)) WINPOS_ShowIconTitle( hwnd, TRUE );
if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return wasVisible;
if (wndPtr->flags & WIN_NEED_SIZE)
{
/* should happen only in CreateWindowEx() */
int wParam = SIZE_RESTORED;
RECT client = wndPtr->rectClient;
wndPtr->flags &= ~WIN_NEED_SIZE;
if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
WIN_ReleasePtr( wndPtr );
SendMessageW( hwnd, WM_SIZE, wParam,
MAKELONG( client.right - client.left, client.bottom - client.top ));
SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
}
else WIN_ReleasePtr( wndPtr );
/* if previous state was minimized Windows sets focus to the window */
if (style & WS_MINIMIZE) SetFocus( hwnd );
return wasVisible;
}
/***********************************************************************
* 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 show_window( 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 )))
return show_window( full_handle, cmd );
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_GetPtr( hwnd );
if (!pWnd) return FALSE;
if (pWnd == WND_DESKTOP)
{
wndpl->length = sizeof(*wndpl);
wndpl->showCmd = SW_SHOWNORMAL;
wndpl->flags = 0;
wndpl->ptMinPosition.x = -1;
wndpl->ptMinPosition.y = -1;
wndpl->ptMaxPosition.x = -1;
wndpl->ptMaxPosition.y = -1;
GetWindowRect( hwnd, &wndpl->rcNormalPosition );
return TRUE;
}
if (pWnd == WND_OTHER_PROCESS)
{
if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
return FALSE;
}
/* update the placement according to the current style */
if (pWnd->dwStyle & WS_MINIMIZE)
{
pWnd->min_pos.x = pWnd->rectWindow.left;
pWnd->min_pos.y = pWnd->rectWindow.top;
}
else if (pWnd->dwStyle & WS_MAXIMIZE)
{
pWnd->max_pos.x = pWnd->rectWindow.left;
pWnd->max_pos.y = pWnd->rectWindow.top;
}
else
{
pWnd->normal_rect = 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;
wndpl->ptMinPosition = pWnd->min_pos;
wndpl->ptMaxPosition = pWnd->max_pos;
wndpl->rcNormalPosition = pWnd->normal_rect;
WIN_ReleasePtr( pWnd );
TRACE( "%p: returning min %d,%d max %d,%d normal %s\n",
hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
wine_dbgstr_rect(&wndpl->rcNormalPosition) );
return TRUE;
}
/* make sure the specified rect is visible on screen */
static void make_rect_onscreen( RECT *rect )
{
MONITORINFO info;
HMONITOR monitor = MonitorFromRect( rect, MONITOR_DEFAULTTONEAREST );
info.cbSize = sizeof(info);
if (!monitor || !GetMonitorInfoW( monitor, &info )) return;
/* FIXME: map coordinates from rcWork to rcMonitor */
if (rect->right <= info.rcWork.left)
{
rect->right += info.rcWork.left - rect->left;
rect->left = info.rcWork.left;
}
else if (rect->left >= info.rcWork.right)
{
rect->left += info.rcWork.right - rect->right;
rect->right = info.rcWork.right;
}
if (rect->bottom <= info.rcWork.top)
{
rect->bottom += info.rcWork.top - rect->top;
rect->top = info.rcWork.top;
}
else if (rect->top >= info.rcWork.bottom)
{
rect->top += info.rcWork.bottom - rect->bottom;
rect->bottom = info.rcWork.bottom;
}
}
/* make sure the specified point is visible on screen */
static void make_point_onscreen( POINT *pt )
{
RECT rect;
SetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 );
make_rect_onscreen( &rect );
pt->x = rect.left;
pt->y = rect.top;
}
/***********************************************************************
* WINPOS_SetPlacement
*/
static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
{
DWORD style;
WND *pWnd = WIN_GetPtr( hwnd );
WINDOWPLACEMENT wp = *wndpl;
if (flags & PLACE_MIN) make_point_onscreen( &wp.ptMinPosition );
if (flags & PLACE_MAX) make_point_onscreen( &wp.ptMaxPosition );
if (flags & PLACE_RECT) make_rect_onscreen( &wp.rcNormalPosition );
TRACE( "%p: setting min %d,%d max %d,%d normal %s flags %x ajusted to min %d,%d max %d,%d normal %s\n",
hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
wine_dbgstr_rect(&wndpl->rcNormalPosition), flags,
wp.ptMinPosition.x, wp.ptMinPosition.y, wp.ptMaxPosition.x, wp.ptMaxPosition.y,
wine_dbgstr_rect(&wp.rcNormalPosition) );
if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
if( flags & PLACE_MIN ) pWnd->min_pos = wp.ptMinPosition;
if( flags & PLACE_MAX ) pWnd->max_pos = wp.ptMaxPosition;
if( flags & PLACE_RECT) pWnd->normal_rect = wp.rcNormalPosition;
style = pWnd->dwStyle;
WIN_ReleasePtr( pWnd );
if( style & WS_MINIMIZE )
{
if (flags & PLACE_MIN)
{
WINPOS_ShowIconTitle( hwnd, FALSE );
SetWindowPos( hwnd, 0, wp.ptMinPosition.x, wp.ptMinPosition.y, 0, 0,
SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
}
}
else if( style & WS_MAXIMIZE )
{
if (flags & PLACE_MAX)
SetWindowPos( hwnd, 0, wp.ptMaxPosition.x, wp.ptMaxPosition.y, 0, 0,
SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
}
else if( flags & PLACE_RECT )
SetWindowPos( hwnd, 0, wp.rcNormalPosition.left, wp.rcNormalPosition.top,
wp.rcNormalPosition.right - wp.rcNormalPosition.left,
wp.rcNormalPosition.bottom - wp.rcNormalPosition.top,
SWP_NOZORDER | SWP_NOACTIVATE );
ShowWindow( hwnd, wndpl->showCmd );
if (IsIconic( hwnd ))
{
if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
/* SDK: ...valid only the next time... */
if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
{
pWnd = WIN_GetPtr( hwnd );
if (pWnd && pWnd != WND_OTHER_PROCESS)
{
pWnd->flags |= WIN_RESTORE_MAX;
WIN_ReleasePtr( pWnd );
}
}
}
return TRUE;
}
/***********************************************************************
* SetWindowPlacement (USER32.@)
*
* Win95:
* Fails if wndpl->length of Win95 (!) apps is invalid.
*/
BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
{
UINT flags = PLACE_MAX | PLACE_RECT;
if (!wpl) return FALSE;
if (wpl->flags & WPF_SETMINPOSITION) flags |= PLACE_MIN;
return WINPOS_SetPlacement( hwnd, wpl, flags );
}
/***********************************************************************
* 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 )
{
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_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)
{
static const DWORD 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 |
SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_STATECHANGED);
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");
if(flags & SWP_NOCLIENTSIZE) TRACE(" SWP_NOCLIENTSIZE");
if(flags & SWP_NOCLIENTMOVE) TRACE(" SWP_NOCLIENTMOVE");
if(flags & SWP_STATECHANGED) TRACE(" SWP_STATECHANGED");
if(flags & ~dumped_flags) TRACE(" %08x", flags & ~dumped_flags);
TRACE("\n");
}
/***********************************************************************
* SWP_DoWinPosChanging
*/
static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
{
WND *wndPtr;
/* Send WM_WINDOWPOSCHANGING message */
if (!(pWinpos->flags & SWP_NOSENDCHANGING))
SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
/* Calculate new position and size */
*pNewWindowRect = wndPtr->rectWindow;
*pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
: wndPtr->rectClient;
if (!(pWinpos->flags & SWP_NOSIZE))
{
pNewWindowRect->right = pNewWindowRect->left + pWinpos->cx;
pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
}
if (!(pWinpos->flags & SWP_NOMOVE))
{
pNewWindowRect->left = pWinpos->x;
pNewWindowRect->top = pWinpos->y;
pNewWindowRect->right += pWinpos->x - wndPtr->rectWindow.left;
pNewWindowRect->bottom += pWinpos->y - wndPtr->rectWindow.top;
OffsetRect( pNewClientRect, pWinpos->x - wndPtr->rectWindow.left,
pWinpos->y - wndPtr->rectWindow.top );
}
pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
pWinpos->cx, pWinpos->cy, pWinpos->flags );
TRACE( "current %s style %08x new %s\n",
wine_dbgstr_rect( &wndPtr->rectWindow ), wndPtr->dwStyle,
wine_dbgstr_rect( pNewWindowRect ));
WIN_ReleasePtr( wndPtr );
return TRUE;
}
/***********************************************************************
* get_valid_rects
*
* Compute the valid rects from the old and new client rect and WVR_* flags.
* Helper for WM_NCCALCSIZE handling.
*/
static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
RECT *valid )
{
int cx, cy;
if (flags & WVR_REDRAW)
{
SetRectEmpty( &valid[0] );
SetRectEmpty( &valid[1] );
return;
}
if (flags & WVR_VALIDRECTS)
{
if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
!IntersectRect( &valid[1], &valid[1], old_client ))
{
SetRectEmpty( &valid[0] );
SetRectEmpty( &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;
}
}
/***********************************************************************
* SWP_DoOwnedPopups
*
* fix Z order taking into account owned popups -
* basically we need to maintain them above the window that owns them
*
* FIXME: hide/show owned popups when owner visibility changes.
*/
static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
{
LONG style = GetWindowLongW( hwnd, GWL_STYLE );
HWND owner, *list = NULL;
unsigned int i;
TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
if ((style & WS_POPUP) && (owner = GetWindow( hwnd, GW_OWNER )))
{
/* make sure this popup stays above the owner */
if (hwndInsertAfter != HWND_TOP && hwndInsertAfter != HWND_TOPMOST)
{
if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
for (i = 0; list[i]; i++)
{
if (list[i] == owner)
{
if (i > 0) hwndInsertAfter = list[i-1];
else hwndInsertAfter = HWND_TOP;
break;
}
if (hwndInsertAfter == HWND_NOTOPMOST)
{
if (!(GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) break;
}
else if (list[i] == hwndInsertAfter) break;
}
}
}
else if (style & WS_CHILD) return hwndInsertAfter;
if (hwndInsertAfter == HWND_BOTTOM) goto done;
if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
i = 0;
if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
{
if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
{
/* skip all the topmost windows */
while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
}
}
else if (hwndInsertAfter != HWND_TOPMOST)
{
/* skip windows that are already placed correctly */
for (i = 0; list[i]; i++)
{
if (list[i] == hwndInsertAfter) break;
if (list[i] == hwnd) goto done; /* nothing to do if window is moving backwards in z-order */
}
}
for ( ; list[i]; i++)
{
if (list[i] == hwnd) break;
if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_POPUP)) continue;
if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
hwndInsertAfter = list[i];
}
done:
HeapFree( GetProcessHeap(), 0, list );
return hwndInsertAfter;
}
/***********************************************************************
* SWP_DoNCCalcSize
*/
static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
RECT *validRects )
{
UINT wvrFlags = 0;
WND *wndPtr;
if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
/* Send WM_NCCALCSIZE message to get new client area */
if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
{
NCCALCSIZE_PARAMS params;
WINDOWPOS winposCopy;
params.rgrc[0] = *pNewWindowRect;
params.rgrc[1] = wndPtr->rectWindow;
params.rgrc[2] = wndPtr->rectClient;
params.lppos = &winposCopy;
winposCopy = *pWinpos;
WIN_ReleasePtr( wndPtr );
wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
*pNewClientRect = params.rgrc[0];
if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
wine_dbgstr_rect(&wndPtr->rectWindow), wine_dbgstr_rect(&wndPtr->rectClient),
wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
if( pNewClientRect->left != wndPtr->rectClient.left ||
pNewClientRect->top != wndPtr->rectClient.top )
pWinpos->flags &= ~SWP_NOCLIENTMOVE;
if( (pNewClientRect->right - pNewClientRect->left !=
wndPtr->rectClient.right - wndPtr->rectClient.left))
pWinpos->flags &= ~SWP_NOCLIENTSIZE;
else
wvrFlags &= ~WVR_HREDRAW;
if (pNewClientRect->bottom - pNewClientRect->top !=
wndPtr->rectClient.bottom - wndPtr->rectClient.top)
pWinpos->flags &= ~SWP_NOCLIENTSIZE;
else
wvrFlags &= ~WVR_VREDRAW;
validRects[0] = params.rgrc[1];
validRects[1] = params.rgrc[2];
}
else
{
if (!(pWinpos->flags & SWP_NOMOVE) &&
(pNewClientRect->left != wndPtr->rectClient.left ||
pNewClientRect->top != wndPtr->rectClient.top))
pWinpos->flags &= ~SWP_NOCLIENTMOVE;
}
if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
{
SetRectEmpty( &validRects[0] );
SetRectEmpty( &validRects[1] );
}
else get_valid_rects( &wndPtr->rectClient, pNewClientRect, wvrFlags, validRects );
WIN_ReleasePtr( wndPtr );
return wvrFlags;
}
/* fix redundant flags and values in the WINDOWPOS structure */
static BOOL fixup_flags( WINDOWPOS *winpos )
{
HWND parent;
WND *wndPtr = WIN_GetPtr( winpos->hwnd );
BOOL ret = TRUE;
if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return FALSE;
}
winpos->hwnd = wndPtr->hwndSelf; /* make it a full handle */
/* Finally make sure that all coordinates are valid */
if (winpos->x < -32768) winpos->x = -32768;
else if (winpos->x > 32767) winpos->x = 32767;
if (winpos->y < -32768) winpos->y = -32768;
else if (winpos->y > 32767) winpos->y = 32767;
if (winpos->cx < 0) winpos->cx = 0;
else if (winpos->cx > 32767) winpos->cx = 32767;
if (winpos->cy < 0) winpos->cy = 0;
else if (winpos->cy > 32767) winpos->cy = 32767;
parent = GetAncestor( winpos->hwnd, GA_PARENT );
if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
else
{
winpos->flags &= ~SWP_HIDEWINDOW;
if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
}
if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
(wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
winpos->flags |= SWP_NOSIZE; /* Already the right size */
if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
winpos->flags |= SWP_NOMOVE; /* Already the right position */
if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
{
if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
(winpos->flags & SWP_NOZORDER ||
(winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
{
winpos->flags &= ~SWP_NOZORDER;
winpos->hwndInsertAfter = HWND_TOP;
}
}
/* Check hwndInsertAfter */
if (winpos->flags & SWP_NOZORDER) goto done;
/* fix sign extension */
if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
/* hwndInsertAfter must be a sibling of the window */
if (winpos->hwndInsertAfter == HWND_TOP)
{
if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
winpos->flags |= SWP_NOZORDER;
}
else if (winpos->hwndInsertAfter == HWND_BOTTOM)
{
if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
winpos->flags |= SWP_NOZORDER;
}
else if (winpos->hwndInsertAfter == HWND_TOPMOST)
{
if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
winpos->flags |= SWP_NOZORDER;
}
else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
{
if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
winpos->flags |= SWP_NOZORDER;
}
else
{
if (GetAncestor( winpos->hwndInsertAfter, GA_PARENT ) != parent) ret = FALSE;
else
{
/* don't need to change the Zorder of hwnd if it's already inserted
* after hwndInsertAfter or when inserting hwnd after itself.
*/
if ((winpos->hwnd == winpos->hwndInsertAfter) ||
(winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
winpos->flags |= SWP_NOZORDER;
}
}
done:
WIN_ReleasePtr( wndPtr );
return ret;
}
/***********************************************************************
* set_window_pos
*
* Backend implementation of SetWindowPos.
*/
BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
{
WND *win;
BOOL ret;
RECT visible_rect, old_window_rect;
visible_rect = *window_rect;
USER_Driver->pWindowPosChanging( hwnd, insert_after, swp_flags,
window_rect, client_rect, &visible_rect );
if (!(win = WIN_GetPtr( hwnd ))) return FALSE;
if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return FALSE;
old_window_rect = win->rectWindow;
SERVER_START_REQ( set_window_pos )
{
req->handle = hwnd;
req->previous = insert_after;
req->flags = swp_flags;
req->window.left = window_rect->left;
req->window.top = window_rect->top;
req->window.right = window_rect->right;
req->window.bottom = window_rect->bottom;
req->client.left = client_rect->left;
req->client.top = client_rect->top;
req->client.right = client_rect->right;
req->client.bottom = client_rect->bottom;
if (memcmp( window_rect, &visible_rect, sizeof(RECT) ) || !IsRectEmpty( &valid_rects[0] ))
{
wine_server_add_data( req, &visible_rect, sizeof(visible_rect) );
if (!IsRectEmpty( &valid_rects[0] ))
wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
}
if ((ret = !wine_server_call( req )))
{
win->dwStyle = reply->new_style;
win->dwExStyle = reply->new_ex_style;
win->rectWindow = *window_rect;
win->rectClient = *client_rect;
}
}
SERVER_END_REQ;
WIN_ReleasePtr( win );
if (ret)
{
if (((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) ||
(swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED)))
invalidate_dce( hwnd, &old_window_rect );
USER_Driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
client_rect, &visible_rect, valid_rects );
}
return ret;
}
/***********************************************************************
* USER_SetWindowPos
*
* User32 internal function
*/
BOOL USER_SetWindowPos( WINDOWPOS * winpos )
{
RECT newWindowRect, newClientRect, valid_rects[2];
UINT orig_flags;
orig_flags = winpos->flags;
/* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
if (!(winpos->flags & SWP_NOMOVE))
{
if (winpos->x < -32768) winpos->x = -32768;
else if (winpos->x > 32767) winpos->x = 32767;
if (winpos->y < -32768) winpos->y = -32768;
else if (winpos->y > 32767) winpos->y = 32767;
}
if (!(winpos->flags & SWP_NOSIZE))
{
if (winpos->cx < 0) winpos->cx = 0;
else if (winpos->cx > 32767) winpos->cx = 32767;
if (winpos->cy < 0) winpos->cy = 0;
else if (winpos->cy > 32767) winpos->cy = 32767;
}
if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
/* Fix redundant flags */
if (!fixup_flags( winpos )) return FALSE;
if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
{
if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
}
/* Common operations */
SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
&newWindowRect, &newClientRect, valid_rects ))
return FALSE;
/* erase parent when hiding or resizing child */
if (!(orig_flags & SWP_DEFERERASE) &&
((orig_flags & SWP_HIDEWINDOW) ||
(!(orig_flags & SWP_SHOWWINDOW) &&
(winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
{
HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
erase_now( parent, 0 );
}
if( winpos->flags & SWP_HIDEWINDOW )
HideCaret(winpos->hwnd);
else if (winpos->flags & SWP_SHOWWINDOW)
ShowCaret(winpos->hwnd);
if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
{
/* child windows get WM_CHILDACTIVATE message */
if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
else
SetForegroundWindow( winpos->hwnd );
}
/* And last, send the WM_WINDOWPOSCHANGED message */
TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
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;
SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
}
return TRUE;
}
/***********************************************************************
* 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_SetWindowPos(&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 (is_desktop_window( hwnd )) 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; res && i < pDWP->actualCount; i++, winpos++)
{
TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
winpos->cx, winpos->cy, winpos->flags);
if (WIN_IsCurrentThread( winpos->hwnd ))
res = USER_SetWindowPos( winpos );
else
res = SendMessageW( winpos->hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)winpos );
}
USER_HEAP_FREE( hdwp );
return res;
}
/***********************************************************************
* 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;
}
/***********************************************************************
* draw_moving_frame
*
* Draw the frame used when moving or resizing window.
*/
static void draw_moving_frame( HDC hdc, RECT *rect, BOOL thickframe )
{
if (thickframe)
{
const int width = GetSystemMetrics(SM_CXFRAME);
const int height = GetSystemMetrics(SM_CYFRAME);
HBRUSH hbrush = SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
PatBlt( hdc, rect->left, rect->top,
rect->right - rect->left - width, height, PATINVERT );
PatBlt( hdc, rect->left, rect->top + height, width,
rect->bottom - rect->top - height, PATINVERT );
PatBlt( hdc, rect->left + width, rect->bottom - 1,
rect->right - rect->left - width, -height, PATINVERT );
PatBlt( hdc, rect->right - 1, rect->top, -width,
rect->bottom - rect->top - height, PATINVERT );
SelectObject( hdc, hbrush );
}
else DrawFocusRect( hdc, rect );
}
/***********************************************************************
* start_size_move
*
* Initialization of a move or resize, when initiated from a menu choice.
* Return hit test code for caption or sizing border.
*/
static LONG start_size_move( HWND hwnd, WPARAM wParam, POINT *capturePoint, LONG style )
{
LONG hittest = 0;
POINT pt;
MSG msg;
RECT rectWindow;
GetWindowRect( hwnd, &rectWindow );
if ((wParam & 0xfff0) == SC_MOVE)
{
/* Move pointer at the center of the caption */
RECT rect = rectWindow;
/* Note: to be exactly centered we should take the different types
* of border into account, but it shouldn't make more than a few pixels
* of difference so let's not bother with that */
rect.top += GetSystemMetrics(SM_CYBORDER);
if (style & WS_SYSMENU)
rect.left += GetSystemMetrics(SM_CXSIZE) + 1;
if (style & WS_MINIMIZEBOX)
rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
if (style & WS_MAXIMIZEBOX)
rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
pt.x = (rect.right + rect.left) / 2;
pt.y = rect.top + GetSystemMetrics(SM_CYSIZE)/2;
hittest = HTCAPTION;
*capturePoint = pt;
}
else /* SC_SIZE */
{
SetCursor( LoadCursorW( 0, (LPWSTR)IDC_SIZEALL ) );
pt.x = pt.y = 0;
while(!hittest)
{
if (!GetMessageW( &msg, 0, 0, 0 )) return 0;
if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
switch(msg.message)
{
case WM_MOUSEMOVE:
pt.x = min( max( msg.pt.x, rectWindow.left ), rectWindow.right - 1 );
pt.y = min( max( msg.pt.y, rectWindow.top ), rectWindow.bottom - 1 );
hittest = SendMessageW( hwnd, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT)) hittest = 0;
break;
case WM_LBUTTONUP:
return 0;
case WM_KEYDOWN:
switch(msg.wParam)
{
case VK_UP:
hittest = HTTOP;
pt.x =(rectWindow.left+rectWindow.right)/2;
pt.y = rectWindow.top + GetSystemMetrics(SM_CYFRAME) / 2;
break;
case VK_DOWN:
hittest = HTBOTTOM;
pt.x =(rectWindow.left+rectWindow.right)/2;
pt.y = rectWindow.bottom - GetSystemMetrics(SM_CYFRAME) / 2;
break;
case VK_LEFT:
hittest = HTLEFT;
pt.x = rectWindow.left + GetSystemMetrics(SM_CXFRAME) / 2;
pt.y =(rectWindow.top+rectWindow.bottom)/2;
break;
case VK_RIGHT:
hittest = HTRIGHT;
pt.x = rectWindow.right - GetSystemMetrics(SM_CXFRAME) / 2;
pt.y =(rectWindow.top+rectWindow.bottom)/2;
break;
case VK_RETURN:
case VK_ESCAPE:
return 0;
}
break;
default:
TranslateMessage( &msg );
DispatchMessageW( &msg );
break;
}
}
*capturePoint = pt;
}
SetCursorPos( pt.x, pt.y );
SendMessageW( hwnd, WM_SETCURSOR, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
return hittest;
}
/***********************************************************************
* WINPOS_SysCommandSizeMove
*
* Perform SC_MOVE and SC_SIZE commands.
*/
void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam )
{
MSG msg;
RECT sizingRect, mouseRect, origRect;
HDC hdc;
HWND parent;
LONG hittest = (LONG)(wParam & 0x0f);
WPARAM syscommand = wParam & 0xfff0;
HCURSOR hDragCursor = 0, hOldCursor = 0;
POINT minTrack, maxTrack;
POINT capturePoint, pt;
LONG style = GetWindowLongW( hwnd, GWL_STYLE );
BOOL thickframe = HAS_THICKFRAME( style );
BOOL iconic = style & WS_MINIMIZE;
BOOL moved = FALSE;
DWORD dwPoint = GetMessagePos ();
BOOL DragFullWindows = TRUE;
if (IsZoomed(hwnd) || !IsWindowVisible(hwnd)) return;
pt.x = (short)LOWORD(dwPoint);
pt.y = (short)HIWORD(dwPoint);
capturePoint = pt;
TRACE("hwnd %p command %04lx, hittest %d, pos %d,%d\n",
hwnd, syscommand, hittest, pt.x, pt.y);
if (syscommand == SC_MOVE)
{
if (!hittest) hittest = start_size_move( hwnd, wParam, &capturePoint, style );
if (!hittest) return;
}
else /* SC_SIZE */
{
if ( hittest && (syscommand != SC_MOUSEMENU) )
hittest += (HTLEFT - WMSZ_LEFT);
else
{
set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
hittest = start_size_move( hwnd, wParam, &capturePoint, style );
if (!hittest)
{
set_capture_window( 0, GUI_INMOVESIZE, NULL );
return;
}
}
}
/* Get min/max info */
WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
GetWindowRect( hwnd, &sizingRect );
if (style & WS_CHILD)
{
parent = GetParent(hwnd);
/* make sizing rect relative to parent */
MapWindowPoints( 0, parent, (POINT*)&sizingRect, 2 );
GetClientRect( parent, &mouseRect );
}
else
{
parent = 0;
GetClientRect( GetDesktopWindow(), &mouseRect );
mouseRect.left = GetSystemMetrics( SM_XVIRTUALSCREEN );
mouseRect.top = GetSystemMetrics( SM_YVIRTUALSCREEN );
mouseRect.right = mouseRect.left + GetSystemMetrics( SM_CXVIRTUALSCREEN );
mouseRect.bottom = mouseRect.top + GetSystemMetrics( SM_CYVIRTUALSCREEN );
}
origRect = sizingRect;
if (ON_LEFT_BORDER(hittest))
{
mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x );
mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x );
}
else if (ON_RIGHT_BORDER(hittest))
{
mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x );
mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x );
}
if (ON_TOP_BORDER(hittest))
{
mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y );
mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y);
}
else if (ON_BOTTOM_BORDER(hittest))
{
mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y );
mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y );
}
if (parent) MapWindowPoints( parent, 0, (LPPOINT)&mouseRect, 2 );
/* Retrieve a default cache DC (without using the window style) */
hdc = GetDCEx( parent, 0, DCX_CACHE );
if( iconic ) /* create a cursor for dragging */
{
hDragCursor = (HCURSOR)GetClassLongPtrW( hwnd, GCLP_HICON);
if( !hDragCursor ) hDragCursor = (HCURSOR)SendMessageW( hwnd, WM_QUERYDRAGICON, 0, 0L);
if( !hDragCursor ) iconic = FALSE;
}
/* we only allow disabling the full window drag for child windows */
if (parent) SystemParametersInfoW( SPI_GETDRAGFULLWINDOWS, 0, &DragFullWindows, 0 );
/* repaint the window before moving it around */
RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN );
SendMessageW( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
while(1)
{
int dx = 0, dy = 0;
if (!GetMessageW( &msg, 0, 0, 0 )) break;
if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
/* Exit on button-up, Return, or Esc */
if ((msg.message == WM_LBUTTONUP) ||
((msg.message == WM_KEYDOWN) &&
((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
{
TranslateMessage( &msg );
DispatchMessageW( &msg );
continue; /* We are not interested in other messages */
}
pt = msg.pt;
if (msg.message == WM_KEYDOWN) switch(msg.wParam)
{
case VK_UP: pt.y -= 8; break;
case VK_DOWN: pt.y += 8; break;
case VK_LEFT: pt.x -= 8; break;
case VK_RIGHT: pt.x += 8; break;
}
pt.x = max( pt.x, mouseRect.left );
pt.x = min( pt.x, mouseRect.right );
pt.y = max( pt.y, mouseRect.top );
pt.y = min( pt.y, mouseRect.bottom );
dx = pt.x - capturePoint.x;
dy = pt.y - capturePoint.y;
if (dx || dy)
{
if( !moved )
{
moved = TRUE;
if( iconic ) /* ok, no system popup tracking */
{
hOldCursor = SetCursor(hDragCursor);
ShowCursor( TRUE );
WINPOS_ShowIconTitle( hwnd, FALSE );
}
else if(!DragFullWindows)
draw_moving_frame( hdc, &sizingRect, thickframe );
}
if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
else
{
RECT newRect = sizingRect;
WPARAM wpSizingHit = 0;
if (hittest == HTCAPTION) OffsetRect( &newRect, dx, dy );
if (ON_LEFT_BORDER(hittest)) newRect.left += dx;
else if (ON_RIGHT_BORDER(hittest)) newRect.right += dx;
if (ON_TOP_BORDER(hittest)) newRect.top += dy;
else if (ON_BOTTOM_BORDER(hittest)) newRect.bottom += dy;
if(!iconic && !DragFullWindows) draw_moving_frame( hdc, &sizingRect, thickframe );
capturePoint = pt;
/* determine the hit location */
if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);
SendMessageW( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&newRect );
if (!iconic)
{
if(!DragFullWindows)
draw_moving_frame( hdc, &newRect, thickframe );
else
SetWindowPos( hwnd, 0, newRect.left, newRect.top,
newRect.right - newRect.left,
newRect.bottom - newRect.top,
( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
}
sizingRect = newRect;
}
}
}
if( iconic )
{
if( moved ) /* restore cursors, show icon title later on */
{
ShowCursor( FALSE );
SetCursor( hOldCursor );
}
}
else if (moved && !DragFullWindows)
{
draw_moving_frame( hdc, &sizingRect, thickframe );
}
set_capture_window( 0, GUI_INMOVESIZE, NULL );
ReleaseDC( parent, hdc );
if (HOOK_CallHooks( WH_CBT, HCBT_MOVESIZE, (WPARAM)hwnd, (LPARAM)&sizingRect, TRUE ))
moved = FALSE;
SendMessageW( hwnd, WM_EXITSIZEMOVE, 0, 0 );
SendMessageW( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L);
/* window moved or resized */
if (moved)
{
/* if the moving/resizing isn't canceled call SetWindowPos
* with the new position or the new size of the window
*/
if (!((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) )
{
/* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */
if(!DragFullWindows || iconic)
SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
sizingRect.right - sizingRect.left,
sizingRect.bottom - sizingRect.top,
( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
}
else
{ /* restore previous size/position */
if(DragFullWindows)
SetWindowPos( hwnd, 0, origRect.left, origRect.top,
origRect.right - origRect.left,
origRect.bottom - origRect.top,
( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
}
}
if (IsIconic(hwnd))
{
/* Single click brings up the system menu when iconized */
if( !moved )
{
if(style & WS_SYSMENU )
SendMessageW( hwnd, WM_SYSCOMMAND,
SC_MOUSEMENU + HTSYSMENU, MAKELONG(pt.x,pt.y));
}
else WINPOS_ShowIconTitle( hwnd, TRUE );
}
}
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