forked from wine-mirror/wine
/
winpos.c
3029 lines (2621 loc) · 98.4 KB
/
winpos.c
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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 <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 "wine/gdi_driver.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 SWP_AGG_NOCLIENTCHANGE \
(SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE)
#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
typedef struct
{
struct user_object obj;
INT actualCount;
INT suggestedCount;
HWND hwndParent;
WINDOWPOS *winPos;
} DWP;
/***********************************************************************
* SwitchToThisWindow (USER32.@)
*/
void WINAPI SwitchToThisWindow( HWND hwnd, BOOL alt_tab )
{
if (IsIconic( hwnd )) ShowWindow( hwnd, SW_RESTORE );
else BringWindowToTop( hwnd );
}
/***********************************************************************
* GetWindowRect (USER32.@)
*/
BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect )
{
BOOL ret = WIN_GetRectangles( hwnd, COORDS_SCREEN, rect, NULL );
if (ret) 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 = wine_server_user_handle( 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, data->rdh.dwSize + data->rdh.nRgnSize, 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;
}
/***********************************************************************
* GetWindowRgnBox (USER32.@)
*/
int WINAPI GetWindowRgnBox( HWND hwnd, LPRECT prect )
{
int ret = ERROR;
HRGN hrgn;
if (!prect)
return ERROR;
if ((hrgn = CreateRectRgn(0, 0, 0, 0)))
{
if ((ret = GetWindowRgn( hwnd, hrgn )) != ERROR )
ret = GetRgnBox( hrgn, prect );
DeleteObject(hrgn);
}
return ret;
}
/***********************************************************************
* 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 = wine_server_user_handle( 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;
HeapFree( GetProcessHeap(), 0, data );
}
else /* clear existing region */
{
SERVER_START_REQ( set_window_region )
{
req->window = wine_server_user_handle( hwnd );
req->redraw = (bRedraw != 0);
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
}
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;
USER_Driver->pSetWindowRgn( hwnd, hrgn, bRedraw );
SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
if (hrgn) DeleteObject( hrgn );
}
return ret;
}
/***********************************************************************
* GetClientRect (USER32.@)
*/
BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
{
return WIN_GetRectangles( hwnd, COORDS_CLIENT, NULL, rect );
}
/***********************************************************************
* 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 i, 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 = wine_server_user_handle( hwnd );
req->x = pt.x;
req->y = pt.y;
req->dpi = get_thread_dpi();
wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) );
if (!wine_server_call( req )) count = reply->count;
}
SERVER_END_REQ;
if (count && count < size)
{
/* start from the end since HWND is potentially larger than user_handle_t */
for (i = count - 1; i >= 0; i--)
list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] );
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;
POINT win_pt;
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_DISABLED)
{
*hittest = HTERROR;
break;
}
/* Send WM_NCCHITTEST (if same thread) */
if (!WIN_IsCurrentThread( list[i] ))
{
*hittest = HTCLIENT;
break;
}
win_pt = point_thread_to_win_dpi( list[i], pt );
res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELPARAM( win_pt.x, win_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 | CWP_SKIPINVISIBLE );
}
/*******************************************************************
* 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], COORDS_PARENT, &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 BOOL WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, BOOL *mirrored, POINT *ret_offset )
{
WND * wndPtr;
POINT offset;
BOOL mirror_from, mirror_to, ret;
HWND hwnd;
offset.x = offset.y = 0;
*mirrored = mirror_from = mirror_to = FALSE;
/* Translate source window origin to screen coords */
if (hwndFrom)
{
if (!(wndPtr = WIN_GetPtr( hwndFrom )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return FALSE;
}
if (wndPtr == WND_OTHER_PROCESS) goto other_process;
if (wndPtr != WND_DESKTOP)
{
if (wndPtr->dwExStyle & WS_EX_LAYOUTRTL)
{
mirror_from = TRUE;
offset.x += wndPtr->client_rect.right - wndPtr->client_rect.left;
}
while (wndPtr->parent)
{
offset.x += wndPtr->client_rect.left;
offset.y += wndPtr->client_rect.top;
hwnd = wndPtr->parent;
WIN_ReleasePtr( wndPtr );
if (!(wndPtr = WIN_GetPtr( hwnd ))) break;
if (wndPtr == WND_OTHER_PROCESS) goto other_process;
if (wndPtr == WND_DESKTOP) break;
if (wndPtr->flags & WIN_CHILDREN_MOVED)
{
WIN_ReleasePtr( wndPtr );
goto other_process;
}
}
if (wndPtr && wndPtr != WND_DESKTOP) WIN_ReleasePtr( wndPtr );
offset = point_win_to_thread_dpi( hwndFrom, offset );
}
}
/* Translate origin to destination window coords */
if (hwndTo)
{
if (!(wndPtr = WIN_GetPtr( hwndTo )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return FALSE;
}
if (wndPtr == WND_OTHER_PROCESS) goto other_process;
if (wndPtr != WND_DESKTOP)
{
POINT pt = { 0, 0 };
if (wndPtr->dwExStyle & WS_EX_LAYOUTRTL)
{
mirror_to = TRUE;
pt.x += wndPtr->client_rect.right - wndPtr->client_rect.left;
}
while (wndPtr->parent)
{
pt.x += wndPtr->client_rect.left;
pt.y += wndPtr->client_rect.top;
hwnd = wndPtr->parent;
WIN_ReleasePtr( wndPtr );
if (!(wndPtr = WIN_GetPtr( hwnd ))) break;
if (wndPtr == WND_OTHER_PROCESS) goto other_process;
if (wndPtr == WND_DESKTOP) break;
if (wndPtr->flags & WIN_CHILDREN_MOVED)
{
WIN_ReleasePtr( wndPtr );
goto other_process;
}
}
if (wndPtr && wndPtr != WND_DESKTOP) WIN_ReleasePtr( wndPtr );
pt = point_win_to_thread_dpi( hwndTo, pt );
offset.x -= pt.x;
offset.y -= pt.y;
}
}
*mirrored = mirror_from ^ mirror_to;
if (mirror_from) offset.x = -offset.x;
*ret_offset = offset;
return TRUE;
other_process: /* one of the parents may belong to another process, do it the hard way */
SERVER_START_REQ( get_windows_offset )
{
req->from = wine_server_user_handle( hwndFrom );
req->to = wine_server_user_handle( hwndTo );
req->dpi = get_thread_dpi();
if ((ret = !wine_server_call_err( req )))
{
ret_offset->x = reply->x;
ret_offset->y = reply->y;
*mirrored = reply->mirror;
}
}
SERVER_END_REQ;
return ret;
}
/* map coordinates of a window region */
void map_window_region( HWND from, HWND to, HRGN hrgn )
{
BOOL mirrored;
POINT offset;
UINT i, size;
RGNDATA *data;
HRGN new_rgn;
RECT *rect;
if (!WINPOS_GetWinOffset( from, to, &mirrored, &offset )) return;
if (!mirrored)
{
OffsetRgn( hrgn, offset.x, offset.y );
return;
}
if (!(size = GetRegionData( hrgn, 0, NULL ))) return;
if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return;
GetRegionData( hrgn, size, data );
rect = (RECT *)data->Buffer;
for (i = 0; i < data->rdh.nCount; i++)
{
int tmp = -(rect[i].left + offset.x);
rect[i].left = -(rect[i].right + offset.x);
rect[i].right = tmp;
rect[i].top += offset.y;
rect[i].bottom += offset.y;
}
if ((new_rgn = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data )))
{
CombineRgn( hrgn, new_rgn, 0, RGN_COPY );
DeleteObject( new_rgn );
}
HeapFree( GetProcessHeap(), 0, data );
}
/*******************************************************************
* MapWindowPoints (USER32.@)
*/
INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
{
BOOL mirrored;
POINT offset;
UINT i;
if (!WINPOS_GetWinOffset( hwndFrom, hwndTo, &mirrored, &offset )) return 0;
for (i = 0; i < count; i++)
{
lppt[i].x += offset.x;
lppt[i].y += offset.y;
if (mirrored) lppt[i].x = -lppt[i].x;
}
if (mirrored && count == 2) /* special case for rectangle */
{
int tmp = lppt[0].x;
lppt[0].x = lppt[1].x;
lppt[1].x = tmp;
}
return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
}
/*******************************************************************
* ClientToScreen (USER32.@)
*/
BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
{
POINT offset;
BOOL mirrored;
if (!hwnd)
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return FALSE;
}
if (!WINPOS_GetWinOffset( hwnd, 0, &mirrored, &offset )) return FALSE;
lppnt->x += offset.x;
lppnt->y += offset.y;
if (mirrored) lppnt->x = -lppnt->x;
return TRUE;
}
/*******************************************************************
* ScreenToClient (USER32.@)
*/
BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
{
POINT offset;
BOOL mirrored;
if (!hwnd)
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return FALSE;
}
if (!WINPOS_GetWinOffset( 0, hwnd, &mirrored, &offset )) return FALSE;
lppnt->x += offset.x;
lppnt->y += offset.y;
if (mirrored) lppnt->x = -lppnt->x;
return TRUE;
}
/***********************************************************************
* 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_GetMinMaxInfo
*
* Get the minimized and maximized information for a window.
*/
MINMAXINFO WINPOS_GetMinMaxInfo( HWND hwnd )
{
DPI_AWARENESS_CONTEXT context;
MINMAXINFO MinMax;
HMONITOR monitor;
INT xinc, yinc;
LONG style = GetWindowLongW( hwnd, GWL_STYLE );
LONG adjustedStyle;
LONG exstyle = GetWindowLongW( hwnd, GWL_EXSTYLE );
RECT rc;
WND *win;
context = SetThreadDpiAwarenessContext( GetWindowDpiAwarenessContext( hwnd ));
/* Compute default values */
GetWindowRect(hwnd, &rc);
MinMax.ptReserved.x = rc.left;
MinMax.ptReserved.y = rc.top;
if ((style & WS_CAPTION) == WS_CAPTION)
adjustedStyle = style & ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
else
adjustedStyle = style;
GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
AdjustWindowRectEx(&rc, adjustedStyle, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
xinc = -rc.left;
yinc = -rc.top;
MinMax.ptMaxSize.x = rc.right - rc.left;
MinMax.ptMaxSize.y = rc.bottom - rc.top;
if (style & (WS_DLGFRAME | WS_BORDER))
{
MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
}
else
{
MinMax.ptMinTrackSize.x = 2 * xinc;
MinMax.ptMinTrackSize.y = 2 * yinc;
}
MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
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, rc_primary;
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;
}
rc_primary = get_primary_monitor_rect();
if (MinMax.ptMaxSize.x == (rc_primary.right - rc_primary.left) + 2 * xinc &&
MinMax.ptMaxSize.y == (rc_primary.bottom - rc_primary.top) + 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 );
SetThreadDpiAwarenessContext( context );
return MinMax;
}
static POINT get_first_minimized_child_pos( const RECT *parent, const MINIMIZEDMETRICS *mm,
int width, int height )
{
POINT ret;
if (mm->iArrange & ARW_STARTRIGHT)
ret.x = parent->right - mm->iHorzGap - width;
else
ret.x = parent->left + mm->iHorzGap;
if (mm->iArrange & ARW_STARTTOP)
ret.y = parent->top + mm->iVertGap;
else
ret.y = parent->bottom - mm->iVertGap - height;
return ret;
}
static void get_next_minimized_child_pos( const RECT *parent, const MINIMIZEDMETRICS *mm,
int width, int height, POINT *pos )
{
BOOL next;
if (mm->iArrange & ARW_UP) /* == ARW_DOWN */
{
if (mm->iArrange & ARW_STARTTOP)
{
pos->y += height + mm->iVertGap;
if ((next = pos->y + height > parent->bottom))
pos->y = parent->top + mm->iVertGap;
}
else
{
pos->y -= height + mm->iVertGap;
if ((next = pos->y < parent->top))
pos->y = parent->bottom - mm->iVertGap - height;
}
if (next)
{
if (mm->iArrange & ARW_STARTRIGHT)
pos->x -= width + mm->iHorzGap;
else
pos->x += width + mm->iHorzGap;
}
}
else
{
if (mm->iArrange & ARW_STARTRIGHT)
{
pos->x -= width + mm->iHorzGap;
if ((next = pos->x < parent->left))
pos->x = parent->right - mm->iHorzGap - width;
}
else
{
pos->x += width + mm->iHorzGap;
if ((next = pos->x + width > parent->right))
pos->x = parent->left + mm->iHorzGap;
}
if (next)
{
if (mm->iArrange & ARW_STARTTOP)
pos->y += height + mm->iVertGap;
else
pos->y -= height + mm->iVertGap;
}
}
}
static POINT get_minimized_pos( HWND hwnd, POINT pt )
{
RECT rect, rectParent;
HWND parent, child;
HRGN hrgn, tmp;
MINIMIZEDMETRICS metrics;
int width, height;
parent = GetAncestor( hwnd, GA_PARENT );
if (parent == GetDesktopWindow())
{
MONITORINFO mon_info;
HMONITOR monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY );
mon_info.cbSize = sizeof( mon_info );
GetMonitorInfoW( monitor, &mon_info );
rectParent = mon_info.rcWork;
}
else GetClientRect( parent, &rectParent );
if ((pt.x >= rectParent.left) && (pt.x + GetSystemMetrics( SM_CXMINIMIZED ) < rectParent.right) &&
(pt.y >= rectParent.top) && (pt.y + GetSystemMetrics( SM_CYMINIMIZED ) < rectParent.bottom))
return pt; /* The icon already has a suitable position */
width = GetSystemMetrics( SM_CXMINIMIZED );
height = GetSystemMetrics( SM_CYMINIMIZED );
metrics.cbSize = sizeof(metrics);
SystemParametersInfoW( SPI_GETMINIMIZEDMETRICS, sizeof(metrics), &metrics, 0 );
/* 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_CHILD ); child; child = GetWindow( child, GW_HWNDNEXT ))
{
if (child == hwnd) continue;
if ((GetWindowLongW( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE))
continue;
if (WIN_GetRectangles( child, COORDS_PARENT, &rect, NULL ))
{
SetRectRgn( tmp, rect.left, rect.top, rect.right, rect.bottom );
CombineRgn( hrgn, hrgn, tmp, RGN_OR );
}
}
DeleteObject( tmp );
pt = get_first_minimized_child_pos( &rectParent, &metrics, width, height );
for (;;)
{
SetRect( &rect, pt.x, pt.y, pt.x + width, pt.y + height );
if (!RectInRegion( hrgn, &rect ))
break;
get_next_minimized_child_pos( &rectParent, &metrics, width, height, &pt );
}
DeleteObject( hrgn );
return pt;
}
/***********************************************************************
* WINPOS_MinMaximize
*/
UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect )
{
UINT swpFlags = 0;
LONG old_style;
MINMAXINFO minmax;
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:
wpl.ptMinPosition = get_minimized_pos( hwnd, wpl.ptMinPosition );
SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
wpl.ptMinPosition.x + GetSystemMetrics(SM_CXMINIMIZED),
wpl.ptMinPosition.y + GetSystemMetrics(SM_CYMINIMIZED) );
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 (IsZoomed( hwnd )) win_set_flags( hwnd, WIN_RESTORE_MAX, 0 );
else win_set_flags( hwnd, 0, WIN_RESTORE_MAX );
if (GetFocus() == hwnd)
{
if (GetWindowLongW(hwnd, GWL_STYLE) & WS_CHILD)
SetFocus(GetAncestor(hwnd, GA_PARENT));
else
SetFocus(0);
}
old_style = WIN_SetStyle( hwnd, WS_MINIMIZE, WS_MAXIMIZE );
wpl.ptMinPosition = get_minimized_pos( hwnd, wpl.ptMinPosition );
if (!(old_style & WS_MINIMIZE)) swpFlags |= SWP_STATECHANGED;
SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
wpl.ptMinPosition.x + GetSystemMetrics(SM_CXMINIMIZED),
wpl.ptMinPosition.y + GetSystemMetrics(SM_CYMINIMIZED) );
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;
minmax = WINPOS_GetMinMaxInfo( hwnd );
old_style = WIN_SetStyle( hwnd, WS_MAXIMIZE, WS_MINIMIZE );
if (old_style & WS_MINIMIZE)
win_set_flags( hwnd, WIN_RESTORE_MAX, 0 );
if (!(old_style & WS_MAXIMIZE)) swpFlags |= SWP_STATECHANGED;
SetRect( rect, minmax.ptMaxPosition.x, minmax.ptMaxPosition.y,
minmax.ptMaxPosition.x + minmax.ptMaxSize.x, minmax.ptMaxPosition.y + minmax.ptMaxSize.y );
break;
case SW_SHOWNOACTIVATE: