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/*
* Window related functions
*
* Copyright 1993, 1994 Alexandre Julliard
*
* 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
*/
#if 0
#pragma makedep unix
#endif
#include <assert.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "ntgdi_private.h"
#include "ntuser_private.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(win);
#define NB_USER_HANDLES ((LAST_USER_HANDLE - FIRST_USER_HANDLE + 1) >> 1)
#define USER_HANDLE_TO_INDEX(hwnd) ((LOWORD(hwnd) - FIRST_USER_HANDLE) >> 1)
static void *user_handles[NB_USER_HANDLES];
#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)
/***********************************************************************
* alloc_user_handle
*/
HANDLE alloc_user_handle( struct user_object *ptr, unsigned int type )
{
HANDLE handle = 0;
SERVER_START_REQ( alloc_user_handle )
{
if (!wine_server_call_err( req )) handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
if (handle)
{
UINT index = USER_HANDLE_TO_INDEX( handle );
assert( index < NB_USER_HANDLES );
ptr->handle = handle;
ptr->type = type;
InterlockedExchangePointer( &user_handles[index], ptr );
}
return handle;
}
/***********************************************************************
* get_user_handle_ptr
*/
void *get_user_handle_ptr( HANDLE handle, unsigned int type )
{
struct user_object *ptr;
WORD index = USER_HANDLE_TO_INDEX( handle );
if (index >= NB_USER_HANDLES) return NULL;
user_lock();
if ((ptr = user_handles[index]))
{
if (ptr->type == type &&
((UINT)(UINT_PTR)ptr->handle == (UINT)(UINT_PTR)handle ||
!HIWORD(handle) || HIWORD(handle) == 0xffff))
return ptr;
ptr = NULL;
}
else ptr = OBJ_OTHER_PROCESS;
user_unlock();
return ptr;
}
/***********************************************************************
* set_user_handle_ptr
*/
static void set_user_handle_ptr( HANDLE handle, struct user_object *ptr )
{
WORD index = USER_HANDLE_TO_INDEX(handle);
assert( index < NB_USER_HANDLES );
InterlockedExchangePointer( &user_handles[index], ptr );
}
/***********************************************************************
* release_user_handle_ptr
*/
void release_user_handle_ptr( void *ptr )
{
assert( ptr && ptr != OBJ_OTHER_PROCESS );
user_unlock();
}
/***********************************************************************
* free_user_handle
*/
void *free_user_handle( HANDLE handle, unsigned int type )
{
struct user_object *ptr;
WORD index = USER_HANDLE_TO_INDEX( handle );
if ((ptr = get_user_handle_ptr( handle, type )) && ptr != OBJ_OTHER_PROCESS)
{
SERVER_START_REQ( free_user_handle )
{
req->handle = wine_server_user_handle( handle );
if (wine_server_call( req )) ptr = NULL;
else InterlockedCompareExchangePointer( &user_handles[index], NULL, ptr );
}
SERVER_END_REQ;
user_unlock();
}
return ptr;
}
/***********************************************************************
* next_thread_window
*/
static WND *next_thread_window_ptr( HWND *hwnd )
{
struct user_object *ptr;
WND *win;
WORD index = *hwnd ? USER_HANDLE_TO_INDEX( *hwnd ) + 1 : 0;
while (index < NB_USER_HANDLES)
{
if (!(ptr = user_handles[index++])) continue;
if (ptr->type != NTUSER_OBJ_WINDOW) continue;
win = (WND *)ptr;
if (win->tid != GetCurrentThreadId()) continue;
*hwnd = ptr->handle;
return win;
}
return NULL;
}
/*******************************************************************
* get_hwnd_message_parent
*
* Return the parent for HWND_MESSAGE windows.
*/
HWND get_hwnd_message_parent(void)
{
struct user_thread_info *thread_info = get_user_thread_info();
if (!thread_info->msg_window) get_desktop_window(); /* trigger creation */
return thread_info->msg_window;
}
/***********************************************************************
* get_full_window_handle
*
* Convert a possibly truncated window handle to a full 32-bit handle.
*/
HWND get_full_window_handle( HWND hwnd )
{
WND *win;
if (!hwnd || (ULONG_PTR)hwnd >> 16) return hwnd;
if (LOWORD(hwnd) <= 1 || LOWORD(hwnd) == 0xffff) return hwnd;
/* do sign extension for -2 and -3 */
if (LOWORD(hwnd) >= (WORD)-3) return (HWND)(LONG_PTR)(INT16)LOWORD(hwnd);
if (!(win = get_win_ptr( hwnd ))) return hwnd;
if (win == WND_DESKTOP)
{
if (LOWORD(hwnd) == LOWORD(get_desktop_window())) return get_desktop_window();
else return get_hwnd_message_parent();
}
if (win != WND_OTHER_PROCESS)
{
hwnd = win->obj.handle;
release_win_ptr( win );
}
else /* may belong to another process */
{
SERVER_START_REQ( get_window_info )
{
req->handle = wine_server_user_handle( hwnd );
if (!wine_server_call_err( req )) hwnd = wine_server_ptr_handle( reply->full_handle );
}
SERVER_END_REQ;
}
return hwnd;
}
/*******************************************************************
* is_desktop_window
*
* Check if window is the desktop or the HWND_MESSAGE top parent.
*/
BOOL is_desktop_window( HWND hwnd )
{
struct user_thread_info *thread_info = get_user_thread_info();
if (!hwnd) return FALSE;
if (hwnd == thread_info->top_window) return TRUE;
if (hwnd == thread_info->msg_window) return TRUE;
if (!HIWORD(hwnd) || HIWORD(hwnd) == 0xffff)
{
if (LOWORD(thread_info->top_window) == LOWORD(hwnd)) return TRUE;
if (LOWORD(thread_info->msg_window) == LOWORD(hwnd)) return TRUE;
}
return FALSE;
}
/***********************************************************************
* win_get_ptr
*
* Return a pointer to the WND structure if local to the process,
* or WND_OTHER_PROCESS if handle may be valid in other process.
* If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
*/
WND *get_win_ptr( HWND hwnd )
{
WND *win;
if ((win = get_user_handle_ptr( hwnd, NTUSER_OBJ_WINDOW )) == WND_OTHER_PROCESS)
{
if (is_desktop_window( hwnd )) win = WND_DESKTOP;
}
return win;
}
/***********************************************************************
* is_current_thread_window
*
* Check whether a given window belongs to the current process (and return the full handle).
*/
HWND is_current_thread_window( HWND hwnd )
{
WND *win;
HWND ret = 0;
if (!(win = get_win_ptr( hwnd )) || win == WND_OTHER_PROCESS || win == WND_DESKTOP)
return 0;
if (win->tid == GetCurrentThreadId()) ret = win->obj.handle;
release_win_ptr( win );
return ret;
}
/***********************************************************************
* is_current_process_window
*
* Check whether a given window belongs to the current process (and return the full handle).
*/
HWND is_current_process_window( HWND hwnd )
{
WND *ptr;
HWND ret;
if (!(ptr = get_win_ptr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
ret = ptr->obj.handle;
release_win_ptr( ptr );
return ret;
}
/* see IsWindow */
BOOL is_window( HWND hwnd )
{
WND *win;
BOOL ret;
if (!(win = get_win_ptr( hwnd ))) return FALSE;
if (win == WND_DESKTOP) return TRUE;
if (win != WND_OTHER_PROCESS)
{
release_win_ptr( win );
return TRUE;
}
/* check other processes */
SERVER_START_REQ( get_window_info )
{
req->handle = wine_server_user_handle( hwnd );
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/* see GetWindowThreadProcessId */
DWORD get_window_thread( HWND hwnd, DWORD *process )
{
WND *ptr;
DWORD tid = 0;
if (!(ptr = get_win_ptr( hwnd )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE);
return 0;
}
if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
{
/* got a valid window */
tid = ptr->tid;
if (process) *process = GetCurrentProcessId();
release_win_ptr( ptr );
return tid;
}
/* check other processes */
SERVER_START_REQ( get_window_info )
{
req->handle = wine_server_user_handle( hwnd );
if (!wine_server_call_err( req ))
{
tid = (DWORD)reply->tid;
if (process) *process = (DWORD)reply->pid;
}
}
SERVER_END_REQ;
return tid;
}
/* see GetParent */
HWND get_parent( HWND hwnd )
{
HWND retval = 0;
WND *win;
if (!(win = get_win_ptr( hwnd )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (win == WND_DESKTOP) return 0;
if (win == WND_OTHER_PROCESS)
{
LONG style = get_window_long( hwnd, GWL_STYLE );
if (style & (WS_POPUP | WS_CHILD))
{
SERVER_START_REQ( get_window_tree )
{
req->handle = wine_server_user_handle( hwnd );
if (!wine_server_call_err( req ))
{
if (style & WS_POPUP) retval = wine_server_ptr_handle( reply->owner );
else if (style & WS_CHILD) retval = wine_server_ptr_handle( reply->parent );
}
}
SERVER_END_REQ;
}
}
else
{
if (win->dwStyle & WS_POPUP) retval = win->owner;
else if (win->dwStyle & WS_CHILD) retval = win->parent;
release_win_ptr( win );
}
return retval;
}
/*****************************************************************
* NtUserSetParent (win32u.@)
*/
HWND WINAPI NtUserSetParent( HWND hwnd, HWND parent )
{
RECT window_rect, old_screen_rect, new_screen_rect;
DPI_AWARENESS_CONTEXT context;
WINDOWPOS winpos;
HWND full_handle;
HWND old_parent = 0;
BOOL was_visible;
WND *win;
BOOL ret;
TRACE("(%p %p)\n", hwnd, parent);
if (is_broadcast(hwnd) || is_broadcast(parent))
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if (!parent) parent = get_desktop_window();
else if (parent == HWND_MESSAGE) parent = get_hwnd_message_parent();
else parent = get_full_window_handle( parent );
if (!is_window( parent ))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
/* Some applications try to set a child as a parent */
if (is_child( hwnd, parent ))
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (!(full_handle = is_current_thread_window( hwnd )))
return UlongToHandle( send_message( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 ));
if (full_handle == parent)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
/* Windows hides the window first, then shows it again
* including the WM_SHOWWINDOW messages and all */
was_visible = NtUserShowWindow( hwnd, SW_HIDE );
win = get_win_ptr( hwnd );
if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return 0;
get_window_rects( hwnd, COORDS_PARENT, &window_rect, NULL, get_dpi_for_window(hwnd) );
get_window_rects( hwnd, COORDS_SCREEN, &old_screen_rect, NULL, 0 );
SERVER_START_REQ( set_parent )
{
req->handle = wine_server_user_handle( hwnd );
req->parent = wine_server_user_handle( parent );
if ((ret = !wine_server_call_err( req )))
{
old_parent = wine_server_ptr_handle( reply->old_parent );
win->parent = parent = wine_server_ptr_handle( reply->full_parent );
win->dpi = reply->dpi;
win->dpi_awareness = reply->awareness;
}
}
SERVER_END_REQ;
release_win_ptr( win );
if (!ret) return 0;
get_window_rects( hwnd, COORDS_SCREEN, &new_screen_rect, NULL, 0 );
context = set_thread_dpi_awareness_context( get_window_dpi_awareness_context( hwnd ));
user_driver->pSetParent( full_handle, parent, old_parent );
winpos.hwnd = hwnd;
winpos.hwndInsertAfter = HWND_TOP;
winpos.x = window_rect.left;
winpos.y = window_rect.top;
winpos.cx = 0;
winpos.cy = 0;
winpos.flags = SWP_NOSIZE;
set_window_pos( &winpos, new_screen_rect.left - old_screen_rect.left,
new_screen_rect.top - old_screen_rect.top );
if (was_visible) NtUserShowWindow( hwnd, SW_SHOW );
set_thread_dpi_awareness_context( context );
return old_parent;
}
/* see GetWindow */
HWND get_window_relative( HWND hwnd, UINT rel )
{
HWND retval = 0;
if (rel == GW_OWNER) /* this one may be available locally */
{
WND *win = get_win_ptr( hwnd );
if (!win)
{
SetLastError( ERROR_INVALID_HANDLE );
return 0;
}
if (win == WND_DESKTOP) return 0;
if (win != WND_OTHER_PROCESS)
{
retval = win->owner;
release_win_ptr( win );
return retval;
}
/* else fall through to server call */
}
SERVER_START_REQ( get_window_tree )
{
req->handle = wine_server_user_handle( hwnd );
if (!wine_server_call_err( req ))
{
switch(rel)
{
case GW_HWNDFIRST:
retval = wine_server_ptr_handle( reply->first_sibling );
break;
case GW_HWNDLAST:
retval = wine_server_ptr_handle( reply->last_sibling );
break;
case GW_HWNDNEXT:
retval = wine_server_ptr_handle( reply->next_sibling );
break;
case GW_HWNDPREV:
retval = wine_server_ptr_handle( reply->prev_sibling );
break;
case GW_OWNER:
retval = wine_server_ptr_handle( reply->owner );
break;
case GW_CHILD:
retval = wine_server_ptr_handle( reply->first_child );
break;
}
}
}
SERVER_END_REQ;
return retval;
}
/*******************************************************************
* list_window_parents
*
* Build an array of all parents of a given window, starting with
* the immediate parent. The array must be freed with free().
*/
static HWND *list_window_parents( HWND hwnd )
{
WND *win;
HWND current, *list;
int i, pos = 0, size = 16, count;
if (!(list = malloc( size * sizeof(HWND) ))) return NULL;
current = hwnd;
for (;;)
{
if (!(win = get_win_ptr( current ))) goto empty;
if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
if (win == WND_DESKTOP)
{
if (!pos) goto empty;
list[pos] = 0;
return list;
}
list[pos] = current = win->parent;
release_win_ptr( win );
if (!current) return list;
if (++pos == size - 1)
{
/* need to grow the list */
HWND *new_list = realloc( list, (size + 16) * sizeof(HWND) );
if (!new_list) goto empty;
list = new_list;
size += 16;
}
}
/* at least one parent belongs to another process, have to query the server */
for (;;)
{
count = 0;
SERVER_START_REQ( get_window_parents )
{
req->handle = wine_server_user_handle( hwnd );
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) goto empty;
if (size > count)
{
/* 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;
}
free( list );
size = count + 1;
if (!(list = malloc( size * sizeof(HWND) ))) return NULL;
}
empty:
free( list );
return NULL;
}
/*******************************************************************
* list_window_children
*
* Build an array of the children of a given window. The array must be
* freed with HeapFree. Returns NULL when no windows are found.
*/
HWND *list_window_children( HDESK desktop, HWND hwnd, UNICODE_STRING *class, DWORD tid )
{
HWND *list;
int i, size = 128;
ATOM atom = class ? get_int_atom_value( class ) : 0;
/* empty class is not the same as NULL class */
if (!atom && class && !class->Length) return NULL;
for (;;)
{
int count = 0;
if (!(list = malloc( size * sizeof(HWND) ))) break;
SERVER_START_REQ( get_window_children )
{
req->desktop = wine_server_obj_handle( desktop );
req->parent = wine_server_user_handle( hwnd );
req->tid = tid;
req->atom = atom;
if (!atom && class) wine_server_add_data( req, class->Buffer, class->Length );
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;
}
free( list );
if (!count) break;
size = count + 1; /* restart with a large enough buffer */
}
return NULL;
}
/*****************************************************************
* NtUserGetAncestor (win32u.@)
*/
HWND WINAPI NtUserGetAncestor( HWND hwnd, UINT type )
{
HWND *list, ret = 0;
WND *win;
switch(type)
{
case GA_PARENT:
if (!(win = get_win_ptr( hwnd )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (win == WND_DESKTOP) return 0;
if (win != WND_OTHER_PROCESS)
{
ret = win->parent;
release_win_ptr( win );
}
else /* need to query the server */
{
SERVER_START_REQ( get_window_tree )
{
req->handle = wine_server_user_handle( hwnd );
if (!wine_server_call_err( req )) ret = wine_server_ptr_handle( reply->parent );
}
SERVER_END_REQ;
}
break;
case GA_ROOT:
if (!(list = list_window_parents( hwnd ))) return 0;
if (!list[0] || !list[1]) ret = get_full_window_handle( hwnd ); /* top-level window */
else
{
int count = 2;
while (list[count]) count++;
ret = list[count - 2]; /* get the one before the desktop */
}
free( list );
break;
case GA_ROOTOWNER:
if (is_desktop_window( hwnd )) return 0;
ret = get_full_window_handle( hwnd );
for (;;)
{
HWND parent = get_parent( ret );
if (!parent) break;
ret = parent;
}
break;
}
return ret;
}
/* see IsChild */
BOOL is_child( HWND parent, HWND child )
{
HWND *list;
int i;
BOOL ret = FALSE;
if (!(get_window_long( child, GWL_STYLE ) & WS_CHILD)) return FALSE;
if (!(list = list_window_parents( child ))) return FALSE;
parent = get_full_window_handle( parent );
for (i = 0; list[i]; i++)
{
if (list[i] == parent)
{
ret = list[i] && list[i+1];
break;
}
if (!(get_window_long( list[i], GWL_STYLE ) & WS_CHILD)) break;
}
free( list );
return ret;
}
/* see IsWindowVisible */
static BOOL is_window_visible( HWND hwnd )
{
HWND *list;
BOOL retval = TRUE;
int i;
if (!(get_window_long( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
if (!(list = list_window_parents( hwnd ))) return TRUE;
if (list[0])
{
for (i = 0; list[i+1]; i++)
if (!(get_window_long( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
retval = !list[i+1] && (list[i] == get_desktop_window()); /* top message window isn't visible */
}
free( list );
return retval;
}
/***********************************************************************
* is_window_drawable
*
* hwnd is drawable when it is visible, all parents are not
* minimized, and it is itself not minimized unless we are
* trying to draw its default class icon.
*/
static BOOL is_window_drawable( HWND hwnd, BOOL icon )
{
HWND *list;
BOOL retval = TRUE;
int i;
LONG style = get_window_long( hwnd, GWL_STYLE );
if (!(style & WS_VISIBLE)) return FALSE;
if ((style & WS_MINIMIZE) && icon && get_class_long_ptr( hwnd, GCLP_HICON, FALSE )) return FALSE;
if (!(list = list_window_parents( hwnd ))) return TRUE;
if (list[0])
{
for (i = 0; list[i+1]; i++)
if ((get_window_long( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
break;
retval = !list[i+1] && (list[i] == get_desktop_window()); /* top message window isn't visible */
}
free( list );
return retval;
}
/* see IsWindowUnicode */
BOOL is_window_unicode( HWND hwnd )
{
WND *win;
BOOL ret = FALSE;
if (!(win = get_win_ptr(hwnd))) return FALSE;
if (win == WND_DESKTOP) return TRUE;
if (win != WND_OTHER_PROCESS)
{
ret = (win->flags & WIN_ISUNICODE) != 0;
release_win_ptr( win );
}
else
{
SERVER_START_REQ( get_window_info )
{
req->handle = wine_server_user_handle( hwnd );
if (!wine_server_call_err( req )) ret = reply->is_unicode;
}
SERVER_END_REQ;
}
return ret;
}
/* see IsWindowEnabled */
BOOL is_window_enabled( HWND hwnd )
{
LONG ret;
SetLastError( NO_ERROR );
ret = get_window_long( hwnd, GWL_STYLE );
if (!ret && GetLastError() != NO_ERROR) return FALSE;
return !(ret & WS_DISABLED);
}
/* see GetWindowDpiAwarenessContext */
DPI_AWARENESS_CONTEXT get_window_dpi_awareness_context( HWND hwnd )
{
DPI_AWARENESS_CONTEXT ret = 0;
WND *win;
if (!(win = get_win_ptr( hwnd )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (win == WND_DESKTOP) return DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE;
if (win != WND_OTHER_PROCESS)
{
ret = ULongToHandle( win->dpi_awareness | 0x10 );
release_win_ptr( win );
}
else
{
SERVER_START_REQ( get_window_info )
{
req->handle = wine_server_user_handle( hwnd );
if (!wine_server_call_err( req )) ret = ULongToHandle( reply->awareness | 0x10 );
}
SERVER_END_REQ;
}
return ret;
}
/* see GetDpiForWindow */
UINT get_dpi_for_window( HWND hwnd )
{
WND *win;
UINT ret = 0;
if (!(win = get_win_ptr( hwnd )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (win == WND_DESKTOP)
{
POINT pt = { 0, 0 };
return get_monitor_dpi( monitor_from_point( pt, MONITOR_DEFAULTTOPRIMARY, 0 ));
}
if (win != WND_OTHER_PROCESS)
{
ret = win->dpi;
if (!ret) ret = get_win_monitor_dpi( hwnd );
release_win_ptr( win );
}
else
{
SERVER_START_REQ( get_window_info )
{
req->handle = wine_server_user_handle( hwnd );
if (!wine_server_call_err( req )) ret = reply->dpi;
}
SERVER_END_REQ;
}
return ret;
}
static LONG_PTR get_win_data( const void *ptr, UINT size )
{
if (size == sizeof(WORD))
{
WORD ret;
memcpy( &ret, ptr, sizeof(ret) );
return ret;
}
else if (size == sizeof(DWORD))
{
DWORD ret;
memcpy( &ret, ptr, sizeof(ret) );
return ret;
}
else
{
LONG_PTR ret;
memcpy( &ret, ptr, sizeof(ret) );
return ret;
}
}
/* helper for set_window_long */
static inline void set_win_data( void *ptr, LONG_PTR val, UINT size )
{
if (size == sizeof(WORD))
{
WORD newval = val;
memcpy( ptr, &newval, sizeof(newval) );
}
else if (size == sizeof(DWORD))
{
DWORD newval = val;
memcpy( ptr, &newval, sizeof(newval) );
}
else
{
memcpy( ptr, &val, sizeof(val) );
}
}
BOOL is_iconic( HWND hwnd )
{
return (get_window_long( hwnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
}
static BOOL is_zoomed( HWND hwnd )
{
return (get_window_long( hwnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
}
static LONG_PTR get_window_long_size( HWND hwnd, INT offset, UINT size, BOOL ansi )
{
LONG_PTR retval = 0;
WND *win;
if (offset == GWLP_HWNDPARENT)
{
HWND parent = NtUserGetAncestor( hwnd, GA_PARENT );
if (parent == get_desktop_window())
parent = get_window_relative( hwnd, GW_OWNER );
return (ULONG_PTR)parent;
}
if (!(win = get_win_ptr( hwnd )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (win == WND_DESKTOP)
{
switch (offset)
{
case GWL_STYLE:
retval = WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN; /* message parent is not visible */
if (get_full_window_handle( hwnd ) == get_desktop_window())
retval |= WS_VISIBLE;
return retval;
case GWL_EXSTYLE:
case GWLP_USERDATA:
case GWLP_ID:
case GWLP_HINSTANCE:
return 0;
case GWLP_WNDPROC:
SetLastError( ERROR_ACCESS_DENIED );
return 0;
}
SetLastError( ERROR_INVALID_INDEX );
return 0;
}
if (win == WND_OTHER_PROCESS)
{
if (offset == GWLP_WNDPROC)
{
SetLastError( ERROR_ACCESS_DENIED );
return 0;
}
SERVER_START_REQ( set_window_info )
{
req->handle = wine_server_user_handle( hwnd );
req->flags = 0; /* don't set anything, just retrieve */
req->extra_offset = (offset >= 0) ? offset : -1;
req->extra_size = (offset >= 0) ? size : 0;
if (!wine_server_call_err( req ))
{
switch(offset)
{
case GWL_STYLE: retval = reply->old_style; break;
case GWL_EXSTYLE: retval = reply->old_ex_style; break;
case GWLP_ID: retval = reply->old_id; break;
case GWLP_HINSTANCE: retval = (ULONG_PTR)wine_server_get_ptr( reply->old_instance ); break;
case GWLP_USERDATA: retval = reply->old_user_data; break;
default:
if (offset >= 0) retval = get_win_data( &reply->old_extra_value, size );
else SetLastError( ERROR_INVALID_INDEX );
break;
}
}
}
SERVER_END_REQ;
return retval;
}
/* now we have a valid win */
if (offset >= 0)
{
if (offset > (int)(win->cbWndExtra - size))
{
WARN("Invalid offset %d\n", offset );
release_win_ptr( win );
SetLastError( ERROR_INVALID_INDEX );
return 0;
}
retval = get_win_data( (char *)win->wExtra + offset, size );
/* Special case for dialog window procedure */
if ((offset == DWLP_DLGPROC) && (size == sizeof(LONG_PTR)) && win->dlgInfo)
retval = (LONG_PTR)get_winproc( (WNDPROC)retval, ansi );
release_win_ptr( win );
return retval;
}
switch(offset)
{
case GWLP_USERDATA: retval = win->userdata; break;
case GWL_STYLE: retval = win->dwStyle; break;
case GWL_EXSTYLE: retval = win->dwExStyle; break;
case GWLP_ID: retval = win->wIDmenu; break;
case GWLP_HINSTANCE: retval = (ULONG_PTR)win->hInstance; break;
case GWLP_WNDPROC:
/* This looks like a hack only for the edit control (see tests). This makes these controls
* more tolerant to A/W mismatches. The lack of W->A->W conversion for such a mismatch suggests
* that the hack is in GetWindowLongPtr[AW], not in winprocs.
*/
if (win->winproc == BUILTIN_WINPROC(WINPROC_EDIT) && (!!ansi != !(win->flags & WIN_ISUNICODE)))
retval = (ULONG_PTR)win->winproc;
else
retval = (ULONG_PTR)get_winproc( win->winproc, ansi );
break;
default:
WARN("Unknown offset %d\n", offset );
SetLastError( ERROR_INVALID_INDEX );
break;
}
release_win_ptr( win );
return retval;
}
/* see GetWindowLongW */
DWORD get_window_long( HWND hwnd, INT offset )
{
return get_window_long_size( hwnd, offset, sizeof(LONG), FALSE );
}
/* see GetWindowLongPtr */
static ULONG_PTR get_window_long_ptr( HWND hwnd, INT offset, BOOL ansi )
{
return get_window_long_size( hwnd, offset, sizeof(LONG_PTR), ansi );
}
/* see GetWindowWord */
static WORD get_window_word( HWND hwnd, INT offset )
{
switch(offset)
{
case GWLP_ID:
case GWLP_HINSTANCE:
case GWLP_HWNDPARENT:
break;
default:
if (offset < 0)
{
WARN("Invalid offset %d\n", offset );
SetLastError( ERROR_INVALID_INDEX );
return 0;
}
break;
}
return get_window_long_size( hwnd, offset, sizeof(WORD), TRUE );
}
/***********************************************************************
* set_window_style
*
* Change the style of a window.
*/
ULONG set_window_style( HWND hwnd, ULONG set_bits, ULONG clear_bits )
{
BOOL ok, made_visible = FALSE;
STYLESTRUCT style;
WND *win = get_win_ptr( hwnd );
if (!win || win == WND_DESKTOP) return 0;
if (win == WND_OTHER_PROCESS)
{
if (is_window(hwnd))
return send_message( hwnd, WM_WINE_SETSTYLE, set_bits, clear_bits );
return 0;
}
style.styleOld = win->dwStyle;
style.styleNew = (win->dwStyle | set_bits) & ~clear_bits;
if (style.styleNew == style.styleOld)
{
release_win_ptr( win );
return style.styleNew;
}
SERVER_START_REQ( set_window_info )
{
req->handle = wine_server_user_handle( hwnd );
req->flags = SET_WIN_STYLE;
req->style = style.styleNew;
req->extra_offset = -1;
if ((ok = !wine_server_call( req )))
{
style.styleOld = reply->old_style;
win->dwStyle = style.styleNew;
}
}
SERVER_END_REQ;
if (ok && ((style.styleOld ^ style.styleNew) & WS_VISIBLE))
{
made_visible = (style.styleNew & WS_VISIBLE) != 0;
invalidate_dce( win, NULL );
}
release_win_ptr( win );
if (!ok) return 0;
user_driver->pSetWindowStyle( hwnd, GWL_STYLE, &style );
if (made_visible) update_window_state( hwnd );
return style.styleOld;
}
static DWORD fix_exstyle( DWORD style, DWORD exstyle )
{
if ((exstyle & WS_EX_DLGMODALFRAME) ||
(!(exstyle & WS_EX_STATICEDGE) && (style & (WS_DLGFRAME | WS_THICKFRAME))))
exstyle |= WS_EX_WINDOWEDGE;
else
exstyle &= ~WS_EX_WINDOWEDGE;
return exstyle;
}
/* Change the owner of a window. */
static HWND set_window_owner( HWND hwnd, HWND owner )
{
WND *win = get_win_ptr( hwnd );
HWND ret = 0;
if (!win || win == WND_DESKTOP) return 0;
if (win == WND_OTHER_PROCESS)
{
if (is_window(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
return 0;
}
SERVER_START_REQ( set_window_owner )
{
req->handle = wine_server_user_handle( hwnd );
req->owner = wine_server_user_handle( owner );
if (!wine_server_call( req ))
{
win->owner = wine_server_ptr_handle( reply->full_owner );
ret = wine_server_ptr_handle( reply->prev_owner );
}
}
SERVER_END_REQ;
release_win_ptr( win );
return ret;
}
/* Helper function for SetWindowLong(). */
LONG_PTR set_window_long( HWND hwnd, INT offset, UINT size, LONG_PTR newval, BOOL ansi )
{
BOOL ok, made_visible = FALSE;
LONG_PTR retval = 0;
STYLESTRUCT style;
WND *win;
TRACE( "%p %d %lx %c\n", hwnd, offset, newval, ansi ? 'A' : 'W' );
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!(win = get_win_ptr( hwnd )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (win == WND_DESKTOP)
{
/* can't change anything on the desktop window */
SetLastError( ERROR_ACCESS_DENIED );
return 0;
}
if (win == WND_OTHER_PROCESS)
{
if (offset == GWLP_WNDPROC)
{
SetLastError( ERROR_ACCESS_DENIED );
return 0;
}
if (offset > 32767 || offset < -32767)
{
SetLastError( ERROR_INVALID_INDEX );
return 0;
}
return send_message( hwnd, WM_WINE_SETWINDOWLONG, MAKEWPARAM( offset, size ), newval );
}
/* first some special cases */
switch( offset )
{
case GWL_STYLE:
style.styleOld = win->dwStyle;
style.styleNew = newval;
release_win_ptr( win );
send_message( hwnd, WM_STYLECHANGING, GWL_STYLE, (LPARAM)&style );
if (!(win = get_win_ptr( hwnd )) || win == WND_OTHER_PROCESS) return 0;
newval = style.styleNew;
/* WS_CLIPSIBLINGS can't be reset on top-level windows */
if (win->parent == get_desktop_window()) newval |= WS_CLIPSIBLINGS;
/* WS_MINIMIZE can't be reset */
if (win->dwStyle & WS_MINIMIZE) newval |= WS_MINIMIZE;
break;
case GWL_EXSTYLE:
style.styleOld = win->dwExStyle;
style.styleNew = newval;
release_win_ptr( win );
send_message( hwnd, WM_STYLECHANGING, GWL_EXSTYLE, (LPARAM)&style );
if (!(win = get_win_ptr( hwnd )) || win == WND_OTHER_PROCESS) return 0;
/* WS_EX_TOPMOST can only be changed through SetWindowPos */
newval = (style.styleNew & ~WS_EX_TOPMOST) | (win->dwExStyle & WS_EX_TOPMOST);
newval = fix_exstyle(win->dwStyle, newval);
break;
case GWLP_HWNDPARENT:
if (win->parent == get_desktop_window())
{
release_win_ptr( win );
return (ULONG_PTR)set_window_owner( hwnd, (HWND)newval );
}
else
{
release_win_ptr( win );
return (ULONG_PTR)NtUserSetParent( hwnd, (HWND)newval );
}
case GWLP_WNDPROC:
{
WNDPROC proc;
UINT old_flags = win->flags;
retval = get_window_long_ptr( hwnd, offset, ansi );
proc = alloc_winproc( (WNDPROC)newval, ansi );
if (proc) win->winproc = proc;
if (is_winproc_unicode( proc, !ansi )) win->flags |= WIN_ISUNICODE;
else win->flags &= ~WIN_ISUNICODE;
if (!((old_flags ^ win->flags) & WIN_ISUNICODE))
{
release_win_ptr( win );
return retval;
}
/* update is_unicode flag on the server side */
break;
}
case GWLP_ID:
case GWLP_HINSTANCE:
case GWLP_USERDATA:
break;
case DWLP_DLGPROC:
if ((win->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
(size == sizeof(LONG_PTR)) && win->dlgInfo)
{
WNDPROC *ptr = (WNDPROC *)((char *)win->wExtra + DWLP_DLGPROC);
retval = (ULONG_PTR)get_winproc( *ptr, ansi );
*ptr = alloc_winproc( (WNDPROC)newval, ansi );
release_win_ptr( win );
return retval;
}
/* fall through */
default:
if (offset < 0 || offset > (int)(win->cbWndExtra - size))
{
WARN("Invalid offset %d\n", offset );
release_win_ptr( win );
SetLastError( ERROR_INVALID_INDEX );
return 0;
}
else if (get_win_data( (char *)win->wExtra + offset, size ) == newval)
{
/* already set to the same value */
release_win_ptr( win );
return newval;
}
break;
}
SERVER_START_REQ( set_window_info )
{
req->handle = wine_server_user_handle( hwnd );
req->extra_offset = -1;
switch(offset)
{
case GWL_STYLE:
req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE;
req->style = newval;
req->ex_style = fix_exstyle(newval, win->dwExStyle);
break;
case GWL_EXSTYLE:
req->flags = SET_WIN_EXSTYLE;
req->ex_style = newval;
break;
case GWLP_ID:
req->flags = SET_WIN_ID;
req->extra_value = newval;
break;
case GWLP_HINSTANCE:
req->flags = SET_WIN_INSTANCE;
req->instance = wine_server_client_ptr( (void *)newval );
break;
case GWLP_WNDPROC:
req->flags = SET_WIN_UNICODE;
req->is_unicode = (win->flags & WIN_ISUNICODE) != 0;
break;
case GWLP_USERDATA:
req->flags = SET_WIN_USERDATA;
req->user_data = newval;
break;
default:
req->flags = SET_WIN_EXTRA;
req->extra_offset = offset;
req->extra_size = size;
set_win_data( &req->extra_value, newval, size );
}
if ((ok = !wine_server_call_err( req )))
{
switch(offset)
{
case GWL_STYLE:
win->dwStyle = newval;
win->dwExStyle = fix_exstyle(win->dwStyle, win->dwExStyle);
retval = reply->old_style;
break;
case GWL_EXSTYLE:
win->dwExStyle = newval;
retval = reply->old_ex_style;
break;
case GWLP_ID:
win->wIDmenu = newval;
retval = reply->old_id;
break;
case GWLP_HINSTANCE:
win->hInstance = (HINSTANCE)newval;
retval = (ULONG_PTR)wine_server_get_ptr( reply->old_instance );
break;
case GWLP_WNDPROC:
break;
case GWLP_USERDATA:
win->userdata = newval;
retval = reply->old_user_data;
break;
default:
retval = get_win_data( (char *)win->wExtra + offset, size );
set_win_data( (char *)win->wExtra + offset, newval, size );
break;
}
}
}
SERVER_END_REQ;
if ((offset == GWL_STYLE && ((style.styleOld ^ style.styleNew) & WS_VISIBLE)) ||
(offset == GWL_EXSTYLE && ((style.styleOld ^ style.styleNew) & WS_EX_LAYERED)))
{
made_visible = (win->dwStyle & WS_VISIBLE) != 0;
invalidate_dce( win, NULL );
}
release_win_ptr( win );
if (!ok) return 0;
if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
{
style.styleOld = retval;
style.styleNew = newval;
user_driver->pSetWindowStyle( hwnd, offset, &style );
if (made_visible) update_window_state( hwnd );
send_message( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
}
return retval;
}
/**********************************************************************
* NtUserSetWindowWord (win32u.@)
*/
WORD WINAPI NtUserSetWindowWord( HWND hwnd, INT offset, WORD newval )
{
switch(offset)
{
case GWLP_ID:
case GWLP_HINSTANCE:
case GWLP_HWNDPARENT:
break;
default:
if (offset < 0)
{
WARN("Invalid offset %d\n", offset );
SetLastError( ERROR_INVALID_INDEX );
return 0;
}
break;
}
return set_window_long( hwnd, offset, sizeof(WORD), newval, TRUE );
}
/**********************************************************************
* NtUserSetWindowLong (win32u.@)
*/
LONG WINAPI NtUserSetWindowLong( HWND hwnd, INT offset, LONG newval, BOOL ansi )
{
return set_window_long( hwnd, offset, sizeof(LONG), newval, ansi );
}
/*****************************************************************************
* NtUserSetWindowLongPtr (win32u.@)
*/
LONG_PTR WINAPI NtUserSetWindowLongPtr( HWND hwnd, INT offset, LONG_PTR newval, BOOL ansi )
{
return set_window_long( hwnd, offset, sizeof(LONG_PTR), newval, ansi );
}
static BOOL set_window_pixel_format( HWND hwnd, int format )
{
WND *win = get_win_ptr( hwnd );
if (!win || win == WND_DESKTOP || win == WND_OTHER_PROCESS)
{
WARN( "setting format %d on win %p not supported\n", format, hwnd );
return FALSE;
}
win->pixel_format = format;
release_win_ptr( win );
update_window_state( hwnd );
return TRUE;
}
/***********************************************************************
* NtUserGetProp (win32u.@)
*
* NOTE Native allows only ATOMs as the second argument. We allow strings
* to save extra server call in GetPropW.
*/
HANDLE WINAPI NtUserGetProp( HWND hwnd, const WCHAR *str )
{
ULONG_PTR ret = 0;
SERVER_START_REQ( get_window_property )
{
req->window = wine_server_user_handle( hwnd );
if (IS_INTRESOURCE(str)) req->atom = LOWORD(str);
else wine_server_add_data( req, str, lstrlenW(str) * sizeof(WCHAR) );
if (!wine_server_call_err( req )) ret = reply->data;
}
SERVER_END_REQ;
return (HANDLE)ret;
}
/*****************************************************************************
* NtUserSetProp (win32u.@)
*
* NOTE Native allows only ATOMs as the second argument. We allow strings
* to save extra server call in SetPropW.
*/
BOOL WINAPI NtUserSetProp( HWND hwnd, const WCHAR *str, HANDLE handle )
{
BOOL ret;
SERVER_START_REQ( set_window_property )
{
req->window = wine_server_user_handle( hwnd );
req->data = (ULONG_PTR)handle;
if (IS_INTRESOURCE(str)) req->atom = LOWORD(str);
else wine_server_add_data( req, str, lstrlenW(str) * sizeof(WCHAR) );
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* NtUserRemoveProp (win32u.@)
*
* NOTE Native allows only ATOMs as the second argument. We allow strings
* to save extra server call in RemovePropW.
*/
HANDLE WINAPI NtUserRemoveProp( HWND hwnd, const WCHAR *str )
{
ULONG_PTR ret = 0;
SERVER_START_REQ( remove_window_property )
{
req->window = wine_server_user_handle( hwnd );
if (IS_INTRESOURCE(str)) req->atom = LOWORD(str);
else wine_server_add_data( req, str, lstrlenW(str) * sizeof(WCHAR) );
if (!wine_server_call_err( req )) ret = reply->data;
}
SERVER_END_REQ;
return (HANDLE)ret;
}
static void mirror_rect( const RECT *window_rect, RECT *rect )
{
int width = window_rect->right - window_rect->left;
int tmp = rect->left;
rect->left = width - rect->right;
rect->right = width - tmp;
}
/***********************************************************************
* get_window_rects
*
* Get the window and client rectangles.
*/
BOOL get_window_rects( HWND hwnd, enum coords_relative relative, RECT *window_rect,
RECT *client_rect, UINT dpi )
{
WND *win = get_win_ptr( hwnd );
BOOL ret = TRUE;
if (!win)
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return FALSE;
}
if (win == WND_DESKTOP)
{
RECT rect;
rect.left = rect.top = 0;
if (hwnd == get_hwnd_message_parent())
{
rect.right = 100;
rect.bottom = 100;
rect = map_dpi_rect( rect, get_dpi_for_window( hwnd ), dpi );
}
else
{
rect = get_primary_monitor_rect( dpi );
}
if (window_rect) *window_rect = rect;
if (client_rect) *client_rect = rect;
return TRUE;
}
if (win != WND_OTHER_PROCESS)
{
UINT window_dpi = get_dpi_for_window( hwnd );
RECT window = win->window_rect;
RECT client = win->client_rect;
switch (relative)
{
case COORDS_CLIENT:
OffsetRect( &window, -win->client_rect.left, -win->client_rect.top );
OffsetRect( &client, -win->client_rect.left, -win->client_rect.top );
if (win->dwExStyle & WS_EX_LAYOUTRTL)
mirror_rect( &win->client_rect, &window );
break;
case COORDS_WINDOW:
OffsetRect( &window, -win->window_rect.left, -win->window_rect.top );
OffsetRect( &client, -win->window_rect.left, -win->window_rect.top );
if (win->dwExStyle & WS_EX_LAYOUTRTL)
mirror_rect( &win->window_rect, &client );
break;
case COORDS_PARENT:
if (win->parent)
{
WND *parent = get_win_ptr( win->parent );
if (parent == WND_DESKTOP) break;
if (!parent || parent == WND_OTHER_PROCESS)
{
release_win_ptr( win );
goto other_process;
}
if (parent->flags & WIN_CHILDREN_MOVED)
{
release_win_ptr( parent );
release_win_ptr( win );
goto other_process;
}
if (parent->dwExStyle & WS_EX_LAYOUTRTL)
{
mirror_rect( &parent->client_rect, &window );
mirror_rect( &parent->client_rect, &client );
}
release_win_ptr( parent );
}
break;
case COORDS_SCREEN:
while (win->parent)
{
WND *parent = get_win_ptr( win->parent );
if (parent == WND_DESKTOP) break;
if (!parent || parent == WND_OTHER_PROCESS)
{
release_win_ptr( win );
goto other_process;
}
release_win_ptr( win );
if (parent->flags & WIN_CHILDREN_MOVED)
{
release_win_ptr( parent );
goto other_process;
}
win = parent;
if (win->parent)
{
offset_rect( &window, win->client_rect.left, win->client_rect.top );
offset_rect( &client, win->client_rect.left, win->client_rect.top );
}
}
break;
}
if (window_rect) *window_rect = map_dpi_rect( window, window_dpi, dpi );
if (client_rect) *client_rect = map_dpi_rect( client, window_dpi, dpi );
release_win_ptr( win );
return TRUE;
}
other_process:
SERVER_START_REQ( get_window_rectangles )
{
req->handle = wine_server_user_handle( hwnd );
req->relative = relative;
req->dpi = dpi;
if ((ret = !wine_server_call_err( req )))
{
if (window_rect)
{
window_rect->left = reply->window.left;
window_rect->top = reply->window.top;
window_rect->right = reply->window.right;
window_rect->bottom = reply->window.bottom;
}
if (client_rect)
{
client_rect->left = reply->client.left;
client_rect->top = reply->client.top;
client_rect->right = reply->client.right;
client_rect->bottom = reply->client.bottom;
}
}
}
SERVER_END_REQ;
return ret;
}
/* see GetWindowRect */
BOOL get_window_rect( HWND hwnd, RECT *rect, UINT dpi )
{
return get_window_rects( hwnd, COORDS_SCREEN, rect, NULL, dpi );
}
/* see GetClientRect */
BOOL get_client_rect( HWND hwnd, RECT *rect )
{
return get_window_rects( hwnd, COORDS_CLIENT, NULL, rect, get_thread_dpi() );
}
/* see GetWindowInfo */
static BOOL get_window_info( HWND hwnd, WINDOWINFO *info )
{
if (!info || !get_window_rects( hwnd, COORDS_SCREEN, &info->rcWindow,
&info->rcClient, get_thread_dpi() ))
return FALSE;
info->dwStyle = get_window_long( hwnd, GWL_STYLE );
info->dwExStyle = get_window_long( hwnd, GWL_EXSTYLE );
info->dwWindowStatus = get_active_window() == hwnd ? WS_ACTIVECAPTION : 0;
info->cxWindowBorders = info->rcClient.left - info->rcWindow.left;
info->cyWindowBorders = info->rcWindow.bottom - info->rcClient.bottom;
info->atomWindowType = get_class_long( hwnd, GCW_ATOM, FALSE );
info->wCreatorVersion = 0x0400;
return TRUE;
}
/***********************************************************************
* update_surface_region
*/
static void update_surface_region( HWND hwnd )
{
NTSTATUS status;
HRGN region = 0;
RGNDATA *data;
size_t size = 256;
WND *win = get_win_ptr( hwnd );
if (!win || win == WND_DESKTOP || win == WND_OTHER_PROCESS) return;
if (!win->surface) goto done;
do
{
if (!(data = malloc( FIELD_OFFSET( RGNDATA, Buffer[size] )))) goto done;
SERVER_START_REQ( get_surface_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;
region = NtGdiExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
NtGdiOffsetRgn( region, -reply->visible_rect.left, -reply->visible_rect.top );
}
}
else size = reply->total_size;
}
SERVER_END_REQ;
free( data );
} while (status == STATUS_BUFFER_OVERFLOW);
if (status) goto done;
win->surface->funcs->set_region( win->surface, region );
if (region) NtGdiDeleteObjectApp( region );
done:
release_win_ptr( win );
}
/***********************************************************************
* apply_window_pos
*
* Backend implementation of SetWindowPos.
*/
static BOOL apply_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
{
WND *win;
HWND surface_win = 0, parent = NtUserGetAncestor( hwnd, GA_PARENT );
BOOL ret, needs_update = FALSE;
RECT visible_rect, old_visible_rect, old_window_rect, old_client_rect, extra_rects[3];
struct window_surface *old_surface, *new_surface = NULL;
if (!parent || parent == get_desktop_window())
{
new_surface = &dummy_surface; /* provide a default surface for top-level windows */
window_surface_add_ref( new_surface );
}
visible_rect = *window_rect;
if (!(ret = user_driver->pWindowPosChanging( hwnd, insert_after, swp_flags,
window_rect, client_rect, &visible_rect, &new_surface )))
{
if (IsRectEmpty( window_rect )) visible_rect = *window_rect;
else
{
visible_rect = get_virtual_screen_rect( get_thread_dpi() );
intersect_rect( &visible_rect, &visible_rect, window_rect );
}
}
get_window_rects( hwnd, COORDS_SCREEN, &old_window_rect, NULL, get_thread_dpi() );
if (IsRectEmpty( &valid_rects[0] )) valid_rects = NULL;
if (!(win = get_win_ptr( hwnd )) || win == WND_DESKTOP || win == WND_OTHER_PROCESS)
{
if (new_surface) window_surface_release( new_surface );
return FALSE;
}
/* create or update window surface for top-level windows if the driver doesn't implement WindowPosChanging */
if (!ret && new_surface && !IsRectEmpty( &visible_rect ) &&
(!(get_window_long( hwnd, GWL_EXSTYLE ) & WS_EX_LAYERED) ||
NtUserGetLayeredWindowAttributes( hwnd, NULL, NULL, NULL )))
{
window_surface_release( new_surface );
if ((new_surface = win->surface)) window_surface_add_ref( new_surface );
create_offscreen_window_surface( &visible_rect, &new_surface );
}
old_visible_rect = win->visible_rect;
old_client_rect = win->client_rect;
old_surface = win->surface;
if (old_surface != new_surface) swp_flags |= SWP_FRAMECHANGED; /* force refreshing non-client area */
if (new_surface == &dummy_surface) swp_flags |= SWP_NOREDRAW;
else if (old_surface == &dummy_surface)
{
swp_flags |= SWP_NOCOPYBITS;
valid_rects = NULL;
}
SERVER_START_REQ( set_window_pos )
{
req->handle = wine_server_user_handle( hwnd );
req->previous = wine_server_user_handle( insert_after );
req->swp_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 (!EqualRect( window_rect, &visible_rect ) || new_surface || valid_rects)
{
extra_rects[0] = extra_rects[1] = visible_rect;
if (new_surface)
{
extra_rects[1] = new_surface->rect;
OffsetRect( &extra_rects[1], visible_rect.left, visible_rect.top );
}
if (valid_rects) extra_rects[2] = valid_rects[0];
else SetRectEmpty( &extra_rects[2] );
wine_server_add_data( req, extra_rects, sizeof(extra_rects) );
}
if (new_surface) req->paint_flags |= SET_WINPOS_PAINT_SURFACE;
if (win->pixel_format) req->paint_flags |= SET_WINPOS_PIXEL_FORMAT;
if ((ret = !wine_server_call( req )))
{
win->dwStyle = reply->new_style;
win->dwExStyle = reply->new_ex_style;
win->window_rect = *window_rect;
win->client_rect = *client_rect;
win->visible_rect = visible_rect;
win->surface = new_surface;
surface_win = wine_server_ptr_handle( reply->surface_win );
needs_update = reply->needs_update;
if (get_window_long( win->parent, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL)
{
RECT client;
get_window_rects( win->parent, COORDS_CLIENT, NULL, &client, get_thread_dpi() );
mirror_rect( &client, &win->window_rect );
mirror_rect( &client, &win->client_rect );
mirror_rect( &client, &win->visible_rect );
}
/* if an RTL window is resized the children have moved */
if (win->dwExStyle & WS_EX_LAYOUTRTL &&
client_rect->right - client_rect->left != old_client_rect.right - old_client_rect.left)
win->flags |= WIN_CHILDREN_MOVED;
}
}
SERVER_END_REQ;
if (ret)
{
if (needs_update) update_surface_region( surface_win );
if (((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) ||
(swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED | SWP_FRAMECHANGED)))
invalidate_dce( win, &old_window_rect );
}
release_win_ptr( win );
if (ret)
{
TRACE( "win %p surface %p -> %p\n", hwnd, old_surface, new_surface );
register_window_surface( old_surface, new_surface );
if (old_surface)
{
if (valid_rects)
{
move_window_bits( hwnd, old_surface, new_surface, &visible_rect,
&old_visible_rect, window_rect, valid_rects );
valid_rects = NULL; /* prevent the driver from trying to also move the bits */
}
window_surface_release( old_surface );
}
else if (surface_win && surface_win != hwnd)
{
if (valid_rects)
{
RECT rects[2];
int x_offset = old_visible_rect.left - visible_rect.left;
int y_offset = old_visible_rect.top - visible_rect.top;
/* if all that happened is that the whole window moved, copy everything */
if (!(swp_flags & SWP_FRAMECHANGED) &&
old_visible_rect.right - visible_rect.right == x_offset &&
old_visible_rect.bottom - visible_rect.bottom == y_offset &&
old_client_rect.left - client_rect->left == x_offset &&
old_client_rect.right - client_rect->right == x_offset &&
old_client_rect.top - client_rect->top == y_offset &&
old_client_rect.bottom - client_rect->bottom == y_offset &&
EqualRect( &valid_rects[0], client_rect ))
{
rects[0] = visible_rect;
rects[1] = old_visible_rect;
valid_rects = rects;
}
move_window_bits_parent( hwnd, surface_win, window_rect, valid_rects );
valid_rects = NULL; /* prevent the driver from trying to also move the bits */
}
}
user_driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
client_rect, &visible_rect, valid_rects, new_surface );
}
else if (new_surface) window_surface_release( new_surface );
return ret;
}
/*******************************************************************
* NtUserGetWindowRgnEx (win32u.@)
*/
int WINAPI NtUserGetWindowRgnEx( HWND hwnd, HRGN hrgn, UINT unk )
{
NTSTATUS status;
HRGN win_rgn = 0;
RGNDATA *data;
size_t size = 256;
int ret = ERROR;
do
{
if (!(data = malloc( 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 = NtGdiExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
}
}
else size = reply->total_size;
}
SERVER_END_REQ;
free( data );
} while (status == STATUS_BUFFER_OVERFLOW);
if (set_ntstatus( status ) && win_rgn)
{
ret = NtGdiCombineRgn( hrgn, win_rgn, 0, RGN_COPY );
NtGdiDeleteObjectApp( win_rgn );
}
return ret;
}
/***********************************************************************
* NtUserSetWindowRgn (win32u.@)
*/
int WINAPI NtUserSetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
{
static const RECT empty_rect;
BOOL ret;
if (hrgn)
{
RGNDATA *data;
DWORD size;
if (!(size = NtGdiGetRegionData( hrgn, 0, NULL ))) return FALSE;
if (!(data = malloc( size ))) return FALSE;
if (!NtGdiGetRegionData( hrgn, size, data ))
{
free( data );
return FALSE;
}
SERVER_START_REQ( set_window_region )
{
req->window = wine_server_user_handle( hwnd );
req->redraw = redraw != 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;
free( data );
}
else /* clear existing region */
{
SERVER_START_REQ( set_window_region )
{
req->window = wine_server_user_handle( hwnd );
req->redraw = redraw != 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 (!redraw) swp_flags |= SWP_NOREDRAW;
user_driver->pSetWindowRgn( hwnd, hrgn, redraw );
NtUserSetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
if (hrgn) NtGdiDeleteObjectApp( hrgn );
}
return ret;
}
/***********************************************************************
* NtUserMoveWindow (win32u.@)
*/
BOOL WINAPI NtUserMoveWindow( 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 NtUserSetWindowPos( hwnd, 0, x, y, cx, cy, flags );
}
/*****************************************************************************
* NtUserGetLayeredWindowAttributes (win32u.@)
*/
BOOL WINAPI NtUserGetLayeredWindowAttributes( HWND hwnd, COLORREF *key, BYTE *alpha, DWORD *flags )
{
BOOL ret;
SERVER_START_REQ( get_window_layered_info )
{
req->handle = wine_server_user_handle( hwnd );
if ((ret = !wine_server_call_err( req )))
{
if (key) *key = reply->color_key;
if (alpha) *alpha = reply->alpha;
if (flags) *flags = reply->flags;
}
}
SERVER_END_REQ;
return ret;
}
/*****************************************************************************
* NtUserSetLayeredWindowAttributes (win32u.@)
*/
BOOL WINAPI NtUserSetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
{
BOOL ret;
TRACE( "(%p,%08x,%d,%x)\n", hwnd, key, alpha, flags );
SERVER_START_REQ( set_window_layered_info )
{
req->handle = wine_server_user_handle( hwnd );
req->color_key = key;
req->alpha = alpha;
req->flags = flags;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
if (ret)
{
user_driver->pSetLayeredWindowAttributes( hwnd, key, alpha, flags );
update_window_state( hwnd );
}
return ret;
}
/*****************************************************************************
* UpdateLayeredWindow (win32u.@)
*/
BOOL WINAPI NtUserUpdateLayeredWindow( HWND hwnd, HDC hdc_dst, const POINT *pts_dst, const SIZE *size,
HDC hdc_src, const POINT *pts_src, COLORREF key,
const BLENDFUNCTION *blend, DWORD flags, const RECT *dirty )
{
DWORD swp_flags = SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW;
RECT window_rect, client_rect;
UPDATELAYEREDWINDOWINFO info;
SIZE offset;
if (flags & ~(ULW_COLORKEY | ULW_ALPHA | ULW_OPAQUE | ULW_EX_NORESIZE) ||
!(get_window_long( hwnd, GWL_EXSTYLE ) & WS_EX_LAYERED) ||
NtUserGetLayeredWindowAttributes( hwnd, NULL, NULL, NULL ))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
get_window_rects( hwnd, COORDS_PARENT, &window_rect, &client_rect, get_thread_dpi() );
if (pts_dst)
{
offset.cx = pts_dst->x - window_rect.left;
offset.cy = pts_dst->y - window_rect.top;
OffsetRect( &client_rect, offset.cx, offset.cy );
OffsetRect( &window_rect, offset.cx, offset.cy );
swp_flags &= ~SWP_NOMOVE;
}
if (size)
{
offset.cx = size->cx - (window_rect.right - window_rect.left);
offset.cy = size->cy - (window_rect.bottom - window_rect.top);
if (size->cx <= 0 || size->cy <= 0)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if ((flags & ULW_EX_NORESIZE) && (offset.cx || offset.cy))
{
SetLastError( ERROR_INCORRECT_SIZE );
return FALSE;
}
client_rect.right += offset.cx;
client_rect.bottom += offset.cy;
window_rect.right += offset.cx;
window_rect.bottom += offset.cy;
swp_flags &= ~SWP_NOSIZE;
}
TRACE( "window %p win %s client %s\n", hwnd,
wine_dbgstr_rect(&window_rect), wine_dbgstr_rect(&client_rect) );
apply_window_pos( hwnd, 0, swp_flags, &window_rect, &client_rect, NULL );
info.cbSize = sizeof(info);
info.hdcDst = hdc_dst;
info.pptDst = pts_dst;
info.psize = size;
info.hdcSrc = hdc_src;
info.pptSrc = pts_src;
info.crKey = key;
info.pblend = blend;
info.dwFlags = flags;
info.prcDirty = dirty;
return user_driver->pUpdateLayeredWindow( hwnd, &info, &window_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 )
{
int i, size = 128;
HWND *list;
for (;;)
{
int count = 0;
if (!(list = malloc( 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;
}
free( list );
if (!count) break;
size = count + 1; /* restart with a large enough buffer */
}
return NULL;
}
/***********************************************************************
* window_from_point
*
* Find the window and hittest for a given point.
*/
HWND window_from_point( HWND hwnd, POINT pt, INT *hittest )
{
int i, res;
HWND ret, *list;
POINT win_pt;
if (!hwnd) hwnd = get_desktop_window();
*hittest = HTNOWHERE;
if (!(list = list_children_from_point( hwnd, pt ))) return 0;
/* now determine the hittest */
for (i = 0; list[i]; i++)
{
LONG style = get_window_long( 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 (!is_current_thread_window( list[i] ))
{
*hittest = HTCLIENT;
break;
}
win_pt = map_dpi_point( pt, get_thread_dpi(), get_dpi_for_window( list[i] ));
res = send_message( 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];
free( list );
TRACE( "scope %p (%d,%d) returning %p\n", hwnd, pt.x, pt.y, ret );
return ret;
}
/*******************************************************************
* NtUserWindowFromPoint (win32u.@)
*/
HWND WINAPI NtUserWindowFromPoint( LONG x, LONG y )
{
POINT pt = { .x = x, .y = y };
INT hittest;
return window_from_point( 0, pt, &hittest );
}
/*******************************************************************
* get_work_rect
*
* Get the work area that a maximized window can cover, depending on style.
*/
static BOOL get_work_rect( HWND hwnd, RECT *rect )
{
HMONITOR monitor = monitor_from_window( hwnd, MONITOR_DEFAULTTOPRIMARY, get_thread_dpi() );
MONITORINFO mon_info;
DWORD style;
if (!monitor) return FALSE;
mon_info.cbSize = sizeof(mon_info);
get_monitor_info( monitor, &mon_info );
*rect = mon_info.rcMonitor;
style = get_window_long( hwnd, GWL_STYLE );
if (style & WS_MAXIMIZEBOX)
{
if ((style & WS_CAPTION) == WS_CAPTION || !(style & (WS_CHILD | WS_POPUP)))
*rect = mon_info.rcWork;
}
return TRUE;
}
static RECT get_maximized_work_rect( HWND hwnd )
{
RECT work_rect = { 0 };
if ((get_window_long( hwnd, GWL_STYLE ) & (WS_MINIMIZE | WS_MAXIMIZE)) == WS_MAXIMIZE)
{
if (!get_work_rect( hwnd, &work_rect ))
work_rect = get_primary_monitor_rect( get_thread_dpi() );
}
return work_rect;
}
/*******************************************************************
* update_maximized_pos
*
* For top level windows covering the work area, we might have to
* "forget" the maximized position. Windows presumably does this
* to avoid situations where the border style changes, which would
* lead the window to be outside the screen, or the window gets
* reloaded on a different screen, and the "saved" position no
* longer applies to it (despite being maximized).
*
* Some applications (e.g. Imperiums: Greek Wars) depend on this.
*/
static void update_maximized_pos( WND *wnd, RECT *work_rect )
{
if (wnd->parent && wnd->parent != get_desktop_window())
return;
if (wnd->dwStyle & WS_MAXIMIZE)
{
if (wnd->window_rect.left <= work_rect->left && wnd->window_rect.top <= work_rect->top &&
wnd->window_rect.right >= work_rect->right && wnd->window_rect.bottom >= work_rect->bottom)
wnd->max_pos.x = wnd->max_pos.y = -1;
}
else
wnd->max_pos.x = wnd->max_pos.y = -1;
}
static BOOL empty_point( POINT pt )
{
return pt.x == -1 && pt.y == -1;
}
/* see GetWindowPlacement */
BOOL get_window_placement( HWND hwnd, WINDOWPLACEMENT *placement )
{
RECT work_rect = get_maximized_work_rect( hwnd );
WND *win = get_win_ptr( hwnd );
UINT win_dpi;
if (!win) return FALSE;
if (win == WND_DESKTOP)
{
placement->length = sizeof(*placement);
placement->showCmd = SW_SHOWNORMAL;
placement->flags = 0;
placement->ptMinPosition.x = -1;
placement->ptMinPosition.y = -1;
placement->ptMaxPosition.x = -1;
placement->ptMaxPosition.y = -1;
get_window_rect( hwnd, &placement->rcNormalPosition, get_thread_dpi() );
return TRUE;
}
if (win == WND_OTHER_PROCESS)
{
RECT normal_position;
DWORD style;
if (!get_window_rect( hwnd, &normal_position, get_thread_dpi() ))
return FALSE;
FIXME("not fully supported on other process window %p.\n", hwnd);
placement->length = sizeof(*placement);
style = get_window_long( hwnd, GWL_STYLE );
if (style & WS_MINIMIZE)
placement->showCmd = SW_SHOWMINIMIZED;
else
placement->showCmd = (style & WS_MAXIMIZE) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL;
/* provide some dummy information */
placement->flags = 0;
placement->ptMinPosition.x = -1;
placement->ptMinPosition.y = -1;
placement->ptMaxPosition.x = -1;
placement->ptMaxPosition.y = -1;
placement->rcNormalPosition = normal_position;
return TRUE;
}
/* update the placement according to the current style */
if (win->dwStyle & WS_MINIMIZE)
{
win->min_pos.x = win->window_rect.left;
win->min_pos.y = win->window_rect.top;
}
else if (win->dwStyle & WS_MAXIMIZE)
{
win->max_pos.x = win->window_rect.left;
win->max_pos.y = win->window_rect.top;
}
else
{
win->normal_rect = win->window_rect;
}
update_maximized_pos( win, &work_rect );
placement->length = sizeof(*placement);
if (win->dwStyle & WS_MINIMIZE)
placement->showCmd = SW_SHOWMINIMIZED;
else
placement->showCmd = ( win->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
if (win->flags & WIN_RESTORE_MAX)
placement->flags = WPF_RESTORETOMAXIMIZED;
else
placement->flags = 0;
win_dpi = get_dpi_for_window( hwnd );
placement->ptMinPosition = empty_point(win->min_pos) ? win->min_pos
: map_dpi_point( win->min_pos, win_dpi, get_thread_dpi() );
placement->ptMaxPosition = empty_point(win->max_pos) ? win->max_pos
: map_dpi_point( win->max_pos, win_dpi, get_thread_dpi() );
placement->rcNormalPosition = map_dpi_rect( win->normal_rect, win_dpi, get_thread_dpi() );
release_win_ptr( win );
TRACE( "%p: returning min %d,%d max %d,%d normal %s\n",
hwnd, placement->ptMinPosition.x, placement->ptMinPosition.y,
placement->ptMaxPosition.x, placement->ptMaxPosition.y,
wine_dbgstr_rect(&placement->rcNormalPosition) );
return TRUE;
}
/*****************************************************************************
* NtUserBuildHwndList (win32u.@)
*/
NTSTATUS WINAPI NtUserBuildHwndList( HDESK desktop, ULONG unk2, ULONG unk3, ULONG unk4,
ULONG thread_id, ULONG count, HWND *buffer, ULONG *size )
{
user_handle_t *list = (user_handle_t *)buffer;
int i;
NTSTATUS status;
SERVER_START_REQ( get_window_children )
{
req->desktop = wine_server_obj_handle( desktop );
req->tid = thread_id;
if (count) wine_server_set_reply( req, list, (count - 1) * sizeof(user_handle_t) );
status = wine_server_call( req );
if (status && status != STATUS_BUFFER_TOO_SMALL) return status;
*size = reply->count + 1;
}
SERVER_END_REQ;
if (*size > count) return STATUS_BUFFER_TOO_SMALL;
/* start from the end since HWND is potentially larger than user_handle_t */
for (i = *size - 2; i >= 0; i--)
buffer[i] = wine_server_ptr_handle( list[i] );
buffer[*size - 1] = HWND_BOTTOM;
return STATUS_SUCCESS;
}
/* Retrieve the window text from the server. */
static data_size_t get_server_window_text( HWND hwnd, WCHAR *text, data_size_t count )
{
data_size_t len = 0, needed = 0;
SERVER_START_REQ( get_window_text )
{
req->handle = wine_server_user_handle( hwnd );
if (count) wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
if (!wine_server_call_err( req ))
{
needed = reply->length;
len = wine_server_reply_size(reply);
}
}
SERVER_END_REQ;
if (text) text[len / sizeof(WCHAR)] = 0;
return needed;
}
/*******************************************************************
* NtUserInternalGetWindowText (win32u.@)
*/
INT WINAPI NtUserInternalGetWindowText( HWND hwnd, WCHAR *text, INT count )
{
WND *win;
if (count <= 0) return 0;
if (!(win = get_win_ptr( hwnd ))) return 0;
if (win == WND_DESKTOP) text[0] = 0;
else if (win != WND_OTHER_PROCESS)
{
if (win->text) lstrcpynW( text, win->text, count );
else text[0] = 0;
release_win_ptr( win );
}
else
{
get_server_window_text( hwnd, text, count );
}
return lstrlenW(text);
}
/*******************************************************************
* get_windows_offset
*
* Calculate the offset between the origin of the two windows. Used
* to implement MapWindowPoints.
*/
static BOOL get_windows_offset( HWND hwnd_from, HWND hwnd_to, UINT dpi, BOOL *mirrored, POINT *ret_offset )
{
WND *win;
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 (hwnd_from)
{
if (!(win = get_win_ptr( hwnd_from )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return FALSE;
}
if (win == WND_OTHER_PROCESS) goto other_process;
if (win != WND_DESKTOP)
{
if (win->dwExStyle & WS_EX_LAYOUTRTL)
{
mirror_from = TRUE;
offset.x += win->client_rect.right - win->client_rect.left;
}
while (win->parent)
{
offset.x += win->client_rect.left;
offset.y += win->client_rect.top;
hwnd = win->parent;
release_win_ptr( win );
if (!(win = get_win_ptr( hwnd ))) break;
if (win == WND_OTHER_PROCESS) goto other_process;
if (win == WND_DESKTOP) break;
if (win->flags & WIN_CHILDREN_MOVED)
{
release_win_ptr( win );
goto other_process;
}
}
if (win && win != WND_DESKTOP) release_win_ptr( win );
offset = map_dpi_point( offset, get_dpi_for_window( hwnd_from ), dpi );
}
}
/* Translate origin to destination window coords */
if (hwnd_to)
{
if (!(win = get_win_ptr( hwnd_to )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return FALSE;
}
if (win == WND_OTHER_PROCESS) goto other_process;
if (win != WND_DESKTOP)
{
POINT pt = { 0, 0 };
if (win->dwExStyle & WS_EX_LAYOUTRTL)
{
mirror_to = TRUE;
pt.x += win->client_rect.right - win->client_rect.left;
}
while (win->parent)
{
pt.x += win->client_rect.left;
pt.y += win->client_rect.top;
hwnd = win->parent;
release_win_ptr( win );
if (!(win = get_win_ptr( hwnd ))) break;
if (win == WND_OTHER_PROCESS) goto other_process;
if (win == WND_DESKTOP) break;
if (win->flags & WIN_CHILDREN_MOVED)
{
release_win_ptr( win );
goto other_process;
}
}
if (win && win != WND_DESKTOP) release_win_ptr( win );
pt = map_dpi_point( pt, get_dpi_for_window( hwnd_to ), dpi );
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( hwnd_from );
req->to = wine_server_user_handle( hwnd_to );
req->dpi = 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;
}
/* see ScreenToClient */
BOOL screen_to_client( HWND hwnd, POINT *pt )
{
POINT offset;
BOOL mirrored;
if (!hwnd)
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return FALSE;
}
if (!get_windows_offset( 0, hwnd, get_thread_dpi(), &mirrored, &offset )) return FALSE;
pt->x += offset.x;
pt->y += offset.y;
if (mirrored) pt->x = -pt->x;
return TRUE;
}
/* 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 (!get_windows_offset( from, to, get_thread_dpi(), &mirrored, &offset )) return;
if (!mirrored)
{
NtGdiOffsetRgn( hrgn, offset.x, offset.y );
return;
}
if (!(size = NtGdiGetRegionData( hrgn, 0, NULL ))) return;
if (!(data = malloc( size ))) return;
NtGdiGetRegionData( 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 = NtGdiExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data )))
{
NtGdiCombineRgn( hrgn, new_rgn, 0, RGN_COPY );
NtGdiDeleteObjectApp( new_rgn );
}
free( data );
}
/* see MapWindowPoints */
int map_window_points( HWND hwnd_from, HWND hwnd_to, POINT *points, UINT count, UINT dpi )
{
BOOL mirrored;
POINT offset;
UINT i;
if (!get_windows_offset( hwnd_from, hwnd_to, dpi, &mirrored, &offset )) return 0;
for (i = 0; i < count; i++)
{
points[i].x += offset.x;
points[i].y += offset.y;
if (mirrored) points[i].x = -points[i].x;
}
if (mirrored && count == 2) /* special case for rectangle */
{
int tmp = points[0].x;
points[0].x = points[1].x;
points[1].x = tmp;
}
return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
}
/***********************************************************************
* 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" );
}
/***********************************************************************
* map_dpi_winpos
*/
static void map_dpi_winpos( WINDOWPOS *winpos )
{
UINT dpi_from = get_thread_dpi();
UINT dpi_to = get_dpi_for_window( winpos->hwnd );
if (!dpi_from) dpi_from = get_win_monitor_dpi( winpos->hwnd );
if (dpi_from == dpi_to) return;
winpos->x = muldiv( winpos->x, dpi_to, dpi_from );
winpos->y = muldiv( winpos->y, dpi_to, dpi_from );
winpos->cx = muldiv( winpos->cx, dpi_to, dpi_from );
winpos->cy = muldiv( winpos->cy, dpi_to, dpi_from );
}
/***********************************************************************
* calc_winpos
*/
static BOOL calc_winpos( WINDOWPOS *winpos, RECT *old_window_rect, RECT *old_client_rect,
RECT *new_window_rect, RECT *new_client_rect )
{
WND *win;
/* Send WM_WINDOWPOSCHANGING message */
if (!(winpos->flags & SWP_NOSENDCHANGING)
&& !((winpos->flags & SWP_AGG_NOCLIENTCHANGE) && (winpos->flags & SWP_SHOWWINDOW)))
send_message( winpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)winpos );
if (!(win = get_win_ptr( winpos->hwnd )) ||
win == WND_OTHER_PROCESS || win == WND_DESKTOP) return FALSE;
/* Calculate new position and size */
get_window_rects( winpos->hwnd, COORDS_PARENT, old_window_rect, old_client_rect, get_thread_dpi() );
*new_window_rect = *old_window_rect;
*new_client_rect = *old_client_rect;
if (!(winpos->flags & SWP_NOSIZE))
{
if (win->dwStyle & WS_MINIMIZE)
{
new_window_rect->right = new_window_rect->left + get_system_metrics( SM_CXMINIMIZED );
new_window_rect->bottom = new_window_rect->top + get_system_metrics( SM_CYMINIMIZED );
}
else
{
new_window_rect->right = new_window_rect->left + winpos->cx;
new_window_rect->bottom = new_window_rect->top + winpos->cy;
}
}
if (!(winpos->flags & SWP_NOMOVE))
{
/* If the window is toplevel minimized off-screen, force keep it there */
if ((win->dwStyle & WS_MINIMIZE) &&
win->window_rect.left <= -32000 && win->window_rect.top <= -32000 &&
(!win->parent || win->parent == get_desktop_window()))
{
winpos->x = -32000;
winpos->y = -32000;
}
new_window_rect->left = winpos->x;
new_window_rect->top = winpos->y;
new_window_rect->right += winpos->x - old_window_rect->left;
new_window_rect->bottom += winpos->y - old_window_rect->top;
offset_rect( new_client_rect, winpos->x - old_window_rect->left,
winpos->y - old_window_rect->top );
}
winpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x current %s style %08x new %s\n",
winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
winpos->cx, winpos->cy, winpos->flags,
wine_dbgstr_rect( old_window_rect ), win->dwStyle,
wine_dbgstr_rect( new_window_rect ));
release_win_ptr( win );
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 (!intersect_rect( &valid[0], &valid[0], new_client ) ||
!intersect_rect( &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;
}
}
static UINT calc_ncsize( WINDOWPOS *winpos, const RECT *old_window_rect, const RECT *old_client_rect,
const RECT *new_window_rect, RECT *new_client_rect, RECT *valid_rects,
int parent_x, int parent_y )
{
UINT wvr_flags = 0;
/* Send WM_NCCALCSIZE message to get new client area */
if ((winpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE)
{
NCCALCSIZE_PARAMS params;
WINDOWPOS winposCopy;
params.rgrc[0] = *new_window_rect;
params.rgrc[1] = *old_window_rect;
params.rgrc[2] = *old_client_rect;
params.lppos = &winposCopy;
winposCopy = *winpos;
if (winpos->flags & SWP_NOMOVE)
{
winposCopy.x = old_window_rect->left;
winposCopy.y = old_window_rect->top;
}
if (winpos->flags & SWP_NOSIZE)
{
winposCopy.cx = old_window_rect->right - old_window_rect->left;
winposCopy.cy = old_window_rect->bottom - old_window_rect->top;
}
wvr_flags = send_message( winpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
*new_client_rect = params.rgrc[0];
TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", winpos->hwnd,
wine_dbgstr_rect(old_window_rect), wine_dbgstr_rect(old_client_rect),
wine_dbgstr_rect(new_window_rect), wine_dbgstr_rect(new_client_rect) );
if (new_client_rect->left != old_client_rect->left - parent_x ||
new_client_rect->top != old_client_rect->top - parent_y)
winpos->flags &= ~SWP_NOCLIENTMOVE;
if ((new_client_rect->right - new_client_rect->left !=
old_client_rect->right - old_client_rect->left))
winpos->flags &= ~SWP_NOCLIENTSIZE;
else
wvr_flags &= ~WVR_HREDRAW;
if (new_client_rect->bottom - new_client_rect->top !=
old_client_rect->bottom - old_client_rect->top)
winpos->flags &= ~SWP_NOCLIENTSIZE;
else
wvr_flags &= ~WVR_VREDRAW;
valid_rects[0] = params.rgrc[1];
valid_rects[1] = params.rgrc[2];
}
else
{
if (!(winpos->flags & SWP_NOMOVE) &&
(new_client_rect->left != old_client_rect->left - parent_x ||
new_client_rect->top != old_client_rect->top - parent_y))
winpos->flags &= ~SWP_NOCLIENTMOVE;
}
if (winpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
{
SetRectEmpty( &valid_rects[0] );
SetRectEmpty( &valid_rects[1] );
}
else get_valid_rects( old_client_rect, new_client_rect, wvr_flags, valid_rects );
return wvr_flags;
}
/* fix redundant flags and values in the WINDOWPOS structure */
static BOOL fixup_swp_flags( WINDOWPOS *winpos, const RECT *old_window_rect, int parent_x, int parent_y )
{
HWND parent;
WND *win = get_win_ptr( winpos->hwnd );
BOOL ret = TRUE;
if (!win || win == WND_OTHER_PROCESS)
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return FALSE;
}
winpos->hwnd = win->obj.handle; /* 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 = NtUserGetAncestor( winpos->hwnd, GA_PARENT );
if (!is_window_visible( parent )) winpos->flags |= SWP_NOREDRAW;
if (win->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
else
{
winpos->flags &= ~SWP_HIDEWINDOW;
if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
}
if ((old_window_rect->right - old_window_rect->left == winpos->cx) &&
(old_window_rect->bottom - old_window_rect->top == winpos->cy))
winpos->flags |= SWP_NOSIZE; /* Already the right size */
if ((old_window_rect->left - parent_x == winpos->x) && (old_window_rect->top - parent_y == winpos->y))
winpos->flags |= SWP_NOMOVE; /* Already the right position */
if ((win->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;
if (winpos->hwndInsertAfter == HWND_TOP)
{
if (get_window_relative( winpos->hwnd, GW_HWNDFIRST ) == winpos->hwnd)
winpos->flags |= SWP_NOZORDER;
}
else if (winpos->hwndInsertAfter == HWND_BOTTOM)
{
if (!(win->dwExStyle & WS_EX_TOPMOST) &&
get_window_relative( winpos->hwnd, GW_HWNDLAST ) == winpos->hwnd)
winpos->flags |= SWP_NOZORDER;
}
else if (winpos->hwndInsertAfter == HWND_TOPMOST)
{
if ((win->dwExStyle & WS_EX_TOPMOST) &&
get_window_relative( winpos->hwnd, GW_HWNDFIRST ) == winpos->hwnd)
winpos->flags |= SWP_NOZORDER;
}
else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
{
if (!(win->dwExStyle & WS_EX_TOPMOST))
winpos->flags |= SWP_NOZORDER;
}
else
{
if ((winpos->hwnd == winpos->hwndInsertAfter) ||
(winpos->hwnd == get_window_relative( winpos->hwndInsertAfter, GW_HWNDNEXT )))
winpos->flags |= SWP_NOZORDER;
}
done:
release_win_ptr( win );
return ret;
}
/***********************************************************************
* swp_owner_popups
*
* 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_owner_popups( HWND hwnd, HWND after )
{
HWND owner, *list = NULL;
unsigned int i;
TRACE( "(%p) after = %p\n", hwnd, after );
if (get_window_long( hwnd, GWL_STYLE ) & WS_CHILD) return after;
if ((owner = get_window_relative( hwnd, GW_OWNER )))
{
/* make sure this popup stays above the owner */
if (after != HWND_TOPMOST)
{
if (!(list = list_window_children( 0, get_desktop_window(), NULL, 0 ))) return after;
for (i = 0; list[i]; i++)
{
BOOL topmost = (get_window_long( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST) != 0;
if (list[i] == owner)
{
if (i > 0) after = list[i-1];
else after = topmost ? HWND_TOPMOST : HWND_TOP;
break;
}
if (after == HWND_TOP || after == HWND_NOTOPMOST)
{
if (!topmost) break;
}
else if (list[i] == after) break;
}
}
}
if (after == HWND_BOTTOM) goto done;
if (!list && !(list = list_window_children( 0, get_desktop_window(), NULL, 0 ))) goto done;
i = 0;
if (after == HWND_TOP || after == HWND_NOTOPMOST)
{
if (after == HWND_NOTOPMOST ||
!(get_window_long( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
{
/* skip all the topmost windows */
while (list[i] && (get_window_long( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
}
}
else if (after != HWND_TOPMOST)
{
/* skip windows that are already placed correctly */
for (i = 0; list[i]; i++)
{
if (list[i] == after) 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 (get_window_relative( list[i], GW_OWNER ) != hwnd) continue;
TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, after );
NtUserSetWindowPos( list[i], after, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
after = list[i];
}
done:
free( list );
return after;
}
/* NtUserSetWindowPos implementation */
BOOL set_window_pos( WINDOWPOS *winpos, int parent_x, int parent_y )
{
RECT old_window_rect, old_client_rect, new_window_rect, new_client_rect, valid_rects[2];
UINT orig_flags;
BOOL ret = FALSE;
DPI_AWARENESS_CONTEXT context;
orig_flags = winpos->flags;
/* First, check z-order arguments. */
if (!(winpos->flags & SWP_NOZORDER))
{
/* fix sign extension */
if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
if (!(winpos->hwndInsertAfter == HWND_TOP ||
winpos->hwndInsertAfter == HWND_BOTTOM ||
winpos->hwndInsertAfter == HWND_TOPMOST ||
winpos->hwndInsertAfter == HWND_NOTOPMOST))
{
HWND parent = NtUserGetAncestor( winpos->hwnd, GA_PARENT );
HWND insertafter_parent = NtUserGetAncestor( winpos->hwndInsertAfter, GA_PARENT );
/* hwndInsertAfter must be a sibling of the window */
if (!insertafter_parent) return FALSE;
if (insertafter_parent != parent) return TRUE;
}
}
/* 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;
}
context = set_thread_dpi_awareness_context( get_window_dpi_awareness_context( winpos->hwnd ));
if (!calc_winpos( winpos, &old_window_rect, &old_client_rect,
&new_window_rect, &new_client_rect )) goto done;
/* Fix redundant flags */
if (!fixup_swp_flags( winpos, &old_window_rect, parent_x, parent_y )) goto done;
if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
{
if (NtUserGetAncestor( winpos->hwnd, GA_PARENT ) == get_desktop_window())
winpos->hwndInsertAfter = swp_owner_popups( winpos->hwnd, winpos->hwndInsertAfter );
}
/* Common operations */
calc_ncsize( winpos, &old_window_rect, &old_client_rect,
&new_window_rect, &new_client_rect, valid_rects, parent_x, parent_y );
if (!apply_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
&new_window_rect, &new_client_rect, valid_rects ))
goto done;
if (user_callbacks)
{
if (winpos->flags & SWP_HIDEWINDOW)
user_callbacks->pHideCaret( winpos->hwnd );
else if (winpos->flags & SWP_SHOWWINDOW)
user_callbacks->pShowCaret( winpos->hwnd );
}
if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
{
/* child windows get WM_CHILDACTIVATE message */
if ((get_window_long( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
send_message( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
else if (user_callbacks)
set_foreground_window( winpos->hwnd, FALSE );
}
if(!(orig_flags & SWP_DEFERERASE))
{
/* erase parent when hiding or resizing child */
if ((orig_flags & SWP_HIDEWINDOW) ||
(!(orig_flags & SWP_SHOWWINDOW) &&
(winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE))
{
HWND parent = NtUserGetAncestor( winpos->hwnd, GA_PARENT );
if (!parent || parent == get_desktop_window()) parent = winpos->hwnd;
erase_now( parent, 0 );
}
/* Give newly shown windows a chance to redraw */
if(((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE)
&& !(orig_flags & SWP_AGG_NOCLIENTCHANGE) && (orig_flags & SWP_SHOWWINDOW))
{
erase_now(winpos->hwnd, 0);
}
}
/* 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)
&& !((orig_flags & SWP_AGG_NOCLIENTCHANGE) && (orig_flags & SWP_SHOWWINDOW)))
{
/* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
and always contains final window position.
*/
winpos->x = new_window_rect.left;
winpos->y = new_window_rect.top;
winpos->cx = new_window_rect.right - new_window_rect.left;
winpos->cy = new_window_rect.bottom - new_window_rect.top;
send_message( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
}
ret = TRUE;
done:
set_thread_dpi_awareness_context( context );
return ret;
}
/*******************************************************************
* NtUserSetWindowPos (win32u.@)
*/
BOOL WINAPI NtUserSetWindowPos( HWND hwnd, HWND after, 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, after, 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 = get_full_window_handle( hwnd );
winpos.hwndInsertAfter = get_full_window_handle( after );
winpos.x = x;
winpos.y = y;
winpos.cx = cx;
winpos.cy = cy;
winpos.flags = flags;
map_dpi_winpos( &winpos );
if (is_current_thread_window( hwnd ))
return set_window_pos( &winpos, 0, 0 );
if (flags & SWP_ASYNCWINDOWPOS)
return NtUserMessageCall( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos,
0, NtUserSendNotifyMessage, FALSE );
else
return send_message( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
}
typedef struct
{
struct user_object obj;
INT count;
INT suggested_count;
HWND parent;
WINDOWPOS *winpos;
} DWP;
/* see BeginDeferWindowPos */
HDWP begin_defer_window_pos( INT count )
{
HDWP handle = 0;
DWP *dwp;
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;
if (!(dwp = malloc( sizeof(DWP) ))) return 0;
dwp->count = 0;
dwp->parent = 0;
dwp->suggested_count = count;
if (!(dwp->winpos = malloc( count * sizeof(WINDOWPOS) )) ||
!(handle = alloc_user_handle( &dwp->obj, NTUSER_OBJ_WINPOS )))
{
free( dwp->winpos );
free( dwp );
}
TRACE( "returning %p\n", handle );
return handle;
}
/***********************************************************************
* NtUserDeferWindowPosAndBand (win32u.@)
*/
HDWP WINAPI NtUserDeferWindowPosAndBand( HDWP hdwp, HWND hwnd, HWND after,
INT x, INT y, INT cx, INT cy,
UINT flags, UINT unk1, UINT unk2 )
{
HDWP retvalue = hdwp;
WINDOWPOS winpos;
DWP *dwp;
int i;
TRACE( "hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
hdwp, hwnd, after, x, y, cx, cy, flags );
winpos.hwnd = get_full_window_handle( hwnd );
if (is_desktop_window( winpos.hwnd ) || !is_window( winpos.hwnd ))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
winpos.hwndInsertAfter = get_full_window_handle( after );
winpos.flags = flags;
winpos.x = x;
winpos.y = y;
winpos.cx = cx;
winpos.cy = cy;
map_dpi_winpos( &winpos );
if (!(dwp = get_user_handle_ptr( hdwp, NTUSER_OBJ_WINPOS ))) return 0;
if (dwp == OBJ_OTHER_PROCESS)
{
FIXME( "other process handle %p\n", hdwp );
return 0;
}
for (i = 0; i < dwp->count; i++)
{
if (dwp->winpos[i].hwnd == winpos.hwnd)
{
/* Merge with the other changes */
if (!(flags & SWP_NOZORDER))
{
dwp->winpos[i].hwndInsertAfter = winpos.hwndInsertAfter;
}
if (!(flags & SWP_NOMOVE))
{
dwp->winpos[i].x = winpos.x;
dwp->winpos[i].y = winpos.y;
}
if (!(flags & SWP_NOSIZE))
{
dwp->winpos[i].cx = winpos.cx;
dwp->winpos[i].cy = winpos.cy;
}
dwp->winpos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
SWP_NOZORDER | SWP_NOREDRAW |
SWP_NOACTIVATE | SWP_NOCOPYBITS|
SWP_NOOWNERZORDER);
dwp->winpos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
SWP_FRAMECHANGED);
goto done;
}
}
if (dwp->count >= dwp->suggested_count)
{
WINDOWPOS *newpos = realloc( dwp->winpos, dwp->suggested_count * 2 * sizeof(WINDOWPOS) );
if (!newpos)
{
retvalue = 0;
goto done;
}
dwp->suggested_count *= 2;
dwp->winpos = newpos;
}
dwp->winpos[dwp->count++] = winpos;
done:
release_user_handle_ptr( dwp );
return retvalue;
}
/***********************************************************************
* NtUserEndDeferWindowPosEx (win32u.@)
*/
BOOL WINAPI NtUserEndDeferWindowPosEx( HDWP hdwp, BOOL async )
{
WINDOWPOS *winpos;
DWP *dwp;
int i;
TRACE( "%p\n", hdwp );
if (async) FIXME( "async not supported\n" );
if (!(dwp = free_user_handle( hdwp, NTUSER_OBJ_WINPOS ))) return FALSE;
if (dwp == OBJ_OTHER_PROCESS)
{
FIXME( "other process handle %p\n", hdwp );
return FALSE;
}
for (i = 0, winpos = dwp->winpos; i < dwp->count; 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 (is_current_thread_window( winpos->hwnd ))
set_window_pos( winpos, 0, 0 );
else
send_message( winpos->hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)winpos );
}
free( dwp->winpos );
free( dwp );
return TRUE;
}
/***********************************************************************
* win_set_flags
*
* Set the flags of a window and return the previous value.
*/
UINT win_set_flags( HWND hwnd, UINT set_mask, UINT clear_mask )
{
WND *win = get_win_ptr( hwnd );
UINT ret;
if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return 0;
ret = win->flags;
win->flags = (ret & ~clear_mask) | set_mask;
release_win_ptr( win );
return ret;
}
/*******************************************************************
* 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 = get_window_long( hwnd, GWL_STYLE );
if (!(style & WS_VISIBLE)) return FALSE;
if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
return !(style & WS_DISABLED);
}
/*******************************************************************
* activate_other_window
*
* Activates window other than hwnd.
*/
static void activate_other_window( HWND hwnd )
{
HWND hwnd_to, fg;
if ((get_window_long( hwnd, GWL_STYLE ) & WS_POPUP) &&
(hwnd_to = get_window_relative( hwnd, GW_OWNER )))
{
hwnd_to = NtUserGetAncestor( hwnd_to, GA_ROOT );
if (can_activate_window( hwnd_to )) goto done;
}
hwnd_to = hwnd;
for (;;)
{
if (!(hwnd_to = get_window_relative( hwnd_to, GW_HWNDNEXT ))) break;
if (can_activate_window( hwnd_to )) goto done;
}
hwnd_to = get_window_relative( get_desktop_window(), GW_CHILD );
for (;;)
{
if (hwnd_to == hwnd)
{
hwnd_to = 0;
break;
}
if (can_activate_window( hwnd_to )) goto done;
if (!(hwnd_to = get_window_relative( hwnd_to, GW_HWNDNEXT ))) break;
}
done:
fg = NtUserGetForegroundWindow();
TRACE( "win = %p fg = %p\n", hwnd_to, fg );
if (!fg || hwnd == fg)
{
if (set_foreground_window( hwnd_to, FALSE )) return;
}
if (NtUserSetActiveWindow( hwnd_to )) NtUserSetActiveWindow( 0 );
}
/*******************************************************************
* send_parent_notify
*/
static void send_parent_notify( HWND hwnd, UINT msg )
{
if ((get_window_long( hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD &&
!(get_window_long( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY))
{
HWND parent = get_parent( hwnd );
if (parent && parent != get_desktop_window())
send_message( parent, WM_PARENTNOTIFY,
MAKEWPARAM( msg, get_window_long( hwnd, GWLP_ID )), (LPARAM)hwnd );
}
}
/*******************************************************************
* get_min_max_info
*
* Get the minimized and maximized information for a window.
*/
static MINMAXINFO get_min_max_info( HWND hwnd )
{
LONG style = get_window_long( hwnd, GWL_STYLE );
LONG exstyle = get_window_long( hwnd, GWL_EXSTYLE );
DPI_AWARENESS_CONTEXT context;
RECT rc_work, rc_primary;
LONG adjusted_style;
MINMAXINFO minmax;
INT xinc, yinc;
RECT rc;
WND *win;
context = set_thread_dpi_awareness_context( get_window_dpi_awareness_context( hwnd ));
/* Compute default values */
get_window_rect( hwnd, &rc, get_thread_dpi() );
minmax.ptReserved.x = rc.left;
minmax.ptReserved.y = rc.top;
if ((style & WS_CAPTION) == WS_CAPTION)
adjusted_style = style & ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
else
adjusted_style = style;
get_client_rect( NtUserGetAncestor( hwnd, GA_PARENT ), &rc );
if (user_callbacks)
user_callbacks->pAdjustWindowRectEx( &rc, adjusted_style,
(style & WS_POPUP) && get_menu( 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 = get_system_metrics( SM_CXMINTRACK );
minmax.ptMinTrackSize.y = get_system_metrics( SM_CYMINTRACK );
}
else
{
minmax.ptMinTrackSize.x = 2 * xinc;
minmax.ptMinTrackSize.y = 2 * yinc;
}
minmax.ptMaxTrackSize.x = get_system_metrics( SM_CXMAXTRACK );
minmax.ptMaxTrackSize.y = get_system_metrics( SM_CYMAXTRACK );
minmax.ptMaxPosition.x = -xinc;
minmax.ptMaxPosition.y = -yinc;
if ((win = get_win_ptr( hwnd )) && win != WND_DESKTOP && win != WND_OTHER_PROCESS)
{
if (!empty_point( win->max_pos )) minmax.ptMaxPosition = win->max_pos;
release_win_ptr( win );
}
send_message( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&minmax );
/* if the app didn't change the values, adapt them for the current monitor */
if (get_work_rect( hwnd, &rc_work ))
{
rc_primary = get_primary_monitor_rect( get_thread_dpi() );
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;
}
}
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 );
set_thread_dpi_awareness_context( 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, parent_rect;
HWND parent, child;
HRGN hrgn, tmp;
MINIMIZEDMETRICS metrics;
int width, height;
parent = NtUserGetAncestor( hwnd, GA_PARENT );
if (parent == get_desktop_window())
{
MONITORINFO mon_info;
HMONITOR monitor = monitor_from_window( hwnd, MONITOR_DEFAULTTOPRIMARY, get_thread_dpi() );
mon_info.cbSize = sizeof( mon_info );
get_monitor_info( monitor, &mon_info );
parent_rect = mon_info.rcWork;
}
else get_client_rect( parent, &parent_rect );
if (pt.x >= parent_rect.left && (pt.x + get_system_metrics( SM_CXMINIMIZED ) < parent_rect.right) &&
pt.y >= parent_rect.top && (pt.y + get_system_metrics( SM_CYMINIMIZED ) < parent_rect.bottom))
return pt; /* The icon already has a suitable position */
width = get_system_metrics( SM_CXMINIMIZED );
height = get_system_metrics( SM_CYMINIMIZED );
metrics.cbSize = sizeof(metrics);
NtUserSystemParametersInfo( SPI_GETMINIMIZEDMETRICS, sizeof(metrics), &metrics, 0 );
/* Check if another icon already occupies this spot */
/* FIXME: this is completely inefficient */
hrgn = NtGdiCreateRectRgn( 0, 0, 0, 0 );
tmp = NtGdiCreateRectRgn( 0, 0, 0, 0 );
for (child = get_window_relative( parent, GW_CHILD );
child;
child = get_window_relative( child, GW_HWNDNEXT ))
{
if (child == hwnd) continue;
if ((get_window_long( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE))
continue;
if (get_window_rects( child, COORDS_PARENT, &rect, NULL, get_thread_dpi() ))
{
NtGdiSetRectRgn( tmp, rect.left, rect.top, rect.right, rect.bottom );
NtGdiCombineRgn( hrgn, hrgn, tmp, RGN_OR );
}
}
NtGdiDeleteObjectApp( tmp );
pt = get_first_minimized_child_pos( &parent_rect, &metrics, width, height );
for (;;)
{
set_rect( &rect, pt.x, pt.y, pt.x + width, pt.y + height );
if (!NtGdiRectInRegion( hrgn, &rect ))
break;
get_next_minimized_child_pos( &parent_rect, &metrics, width, height, &pt );
}
NtGdiDeleteObjectApp( hrgn );
return pt;
}
/***********************************************************************
* window_min_maximize
*/
static UINT window_min_maximize( HWND hwnd, UINT cmd, RECT *rect )
{
UINT swp_flags = 0;
LONG old_style;
MINMAXINFO minmax;
WINDOWPLACEMENT wpl;
TRACE( "%p %u\n", hwnd, cmd );
wpl.length = sizeof(wpl);
get_window_placement( hwnd, &wpl );
if (call_hooks( WH_CBT, HCBT_MINMAX, (WPARAM)hwnd, cmd, TRUE ))
return SWP_NOSIZE | SWP_NOMOVE;
if (is_iconic( hwnd ))
{
switch (cmd)
{
case SW_SHOWMINNOACTIVE:
case SW_SHOWMINIMIZED:
case SW_FORCEMINIMIZE:
case SW_MINIMIZE:
wpl.ptMinPosition = get_minimized_pos( hwnd, wpl.ptMinPosition );
set_rect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
wpl.ptMinPosition.x + get_system_metrics( SM_CXMINIMIZED ),
wpl.ptMinPosition.y + get_system_metrics( SM_CYMINIMIZED ));
return SWP_NOSIZE | SWP_NOMOVE;
}
if (!send_message( hwnd, WM_QUERYOPEN, 0, 0 )) return SWP_NOSIZE | SWP_NOMOVE;
swp_flags |= SWP_NOCOPYBITS;
}
switch( cmd )
{
case SW_SHOWMINNOACTIVE:
case SW_SHOWMINIMIZED:
case SW_FORCEMINIMIZE:
case SW_MINIMIZE:
if (is_zoomed( hwnd )) win_set_flags( hwnd, WIN_RESTORE_MAX, 0 );
else win_set_flags( hwnd, 0, WIN_RESTORE_MAX );
if (get_focus() == hwnd)
{
if (get_window_long( hwnd, GWL_STYLE ) & WS_CHILD)
NtUserSetFocus( NtUserGetAncestor( hwnd, GA_PARENT ));
else
NtUserSetFocus( 0 );
}
old_style = set_window_style( hwnd, WS_MINIMIZE, WS_MAXIMIZE );
wpl.ptMinPosition = get_minimized_pos( hwnd, wpl.ptMinPosition );
if (!(old_style & WS_MINIMIZE)) swp_flags |= SWP_STATECHANGED;
set_rect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
wpl.ptMinPosition.x + get_system_metrics(SM_CXMINIMIZED),
wpl.ptMinPosition.y + get_system_metrics(SM_CYMINIMIZED) );
swp_flags |= SWP_NOCOPYBITS;
break;
case SW_MAXIMIZE:
old_style = get_window_long( hwnd, GWL_STYLE );
if ((old_style & WS_MAXIMIZE) && (old_style & WS_VISIBLE)) return SWP_NOSIZE | SWP_NOMOVE;
minmax = get_min_max_info( hwnd );
old_style = set_window_style( hwnd, WS_MAXIMIZE, WS_MINIMIZE );
if (old_style & WS_MINIMIZE)
win_set_flags( hwnd, WIN_RESTORE_MAX, 0 );
if (!(old_style & WS_MAXIMIZE)) swp_flags |= SWP_STATECHANGED;
set_rect( rect, minmax.ptMaxPosition.x, minmax.ptMaxPosition.y,
minmax.ptMaxPosition.x + minmax.ptMaxSize.x,
minmax.ptMaxPosition.y + minmax.ptMaxSize.y );
break;
case SW_SHOWNOACTIVATE:
win_set_flags( hwnd, 0, WIN_RESTORE_MAX );
/* fall through */
case SW_SHOWNORMAL:
case SW_RESTORE:
case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
old_style = set_window_style( hwnd, 0, WS_MINIMIZE | WS_MAXIMIZE );
if (old_style & WS_MINIMIZE)
{
if (win_get_flags( hwnd ) & WIN_RESTORE_MAX)
{
/* Restore to maximized position */
minmax = get_min_max_info( hwnd );
set_window_style( hwnd, WS_MAXIMIZE, 0 );
swp_flags |= SWP_STATECHANGED;
set_rect( rect, minmax.ptMaxPosition.x, minmax.ptMaxPosition.y,
minmax.ptMaxPosition.x + minmax.ptMaxSize.x,
minmax.ptMaxPosition.y + minmax.ptMaxSize.y );
break;
}
}
else if (!(old_style & WS_MAXIMIZE)) break;
swp_flags |= SWP_STATECHANGED;
/* Restore to normal position */
*rect = wpl.rcNormalPosition;
break;
}
return swp_flags;
}
/* see ArrangeIconicWindows */
static UINT arrange_iconic_windows( HWND parent )
{
int width, height, count = 0;
MINIMIZEDMETRICS metrics;
RECT parent_rect;
HWND child;
POINT pt;
metrics.cbSize = sizeof(metrics);
NtUserSystemParametersInfo( SPI_GETMINIMIZEDMETRICS, sizeof(metrics), &metrics, 0 );
width = get_system_metrics( SM_CXMINIMIZED );
height = get_system_metrics( SM_CYMINIMIZED );
if (parent == get_desktop_window())
{
MONITORINFO mon_info;
HMONITOR monitor = monitor_from_window( 0, MONITOR_DEFAULTTOPRIMARY, get_thread_dpi() );
mon_info.cbSize = sizeof( mon_info );
get_monitor_info( monitor, &mon_info );
parent_rect = mon_info.rcWork;
}
else get_client_rect( parent, &parent_rect );
pt = get_first_minimized_child_pos( &parent_rect, &metrics, width, height );
child = get_window_relative( parent, GW_CHILD );
while (child)
{
if (is_iconic( child ))
{
NtUserSetWindowPos( child, 0, pt.x, pt.y, 0, 0,
SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
get_next_minimized_child_pos( &parent_rect, &metrics, width, height, &pt );
count++;
}
child = get_window_relative( child, GW_HWNDNEXT );
}
return count;
}
/*******************************************************************
* update_window_state
*
* Trigger an update of the window's driver state and surface.
*/
void update_window_state( HWND hwnd )
{
DPI_AWARENESS_CONTEXT context;
RECT window_rect, client_rect, valid_rects[2];
if (!is_current_thread_window( hwnd ))
{
NtUserPostMessage( hwnd, WM_WINE_UPDATEWINDOWSTATE, 0, 0 );
return;
}
context = set_thread_dpi_awareness_context( get_window_dpi_awareness_context( hwnd ));
get_window_rects( hwnd, COORDS_PARENT, &window_rect, &client_rect, get_thread_dpi() );
valid_rects[0] = valid_rects[1] = client_rect;
apply_window_pos( hwnd, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE |
SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW,
&window_rect, &client_rect, valid_rects );
set_thread_dpi_awareness_context( context );
}
/***********************************************************************
* show_window
*
* Implementation of ShowWindow and ShowWindowAsync.
*/
static BOOL show_window( HWND hwnd, INT cmd )
{
WND *win;
HWND parent;
DPI_AWARENESS_CONTEXT context;
LONG style = get_window_long( hwnd, GWL_STYLE );
BOOL was_visible = (style & WS_VISIBLE) != 0;
BOOL show_flag = TRUE;
RECT newPos = {0, 0, 0, 0};
UINT new_swp, swp = 0;
TRACE( "hwnd=%p, cmd=%d, was_visible %d\n", hwnd, cmd, was_visible );
context = set_thread_dpi_awareness_context( get_window_dpi_awareness_context( hwnd ));
switch(cmd)
{
case SW_HIDE:
if (!was_visible) goto done;
show_flag = 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 |= window_min_maximize( hwnd, cmd, &newPos );
if ((style & WS_MINIMIZE) && was_visible) goto done;
break;
case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
if (!was_visible) swp |= SWP_SHOWWINDOW;
swp |= SWP_FRAMECHANGED;
swp |= window_min_maximize( hwnd, SW_MAXIMIZE, &newPos );
if ((style & WS_MAXIMIZE) && was_visible) goto done;
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 (was_visible) goto done;
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 (!was_visible) swp |= SWP_SHOWWINDOW;
if (style & (WS_MINIMIZE | WS_MAXIMIZE))
{
swp |= SWP_FRAMECHANGED;
swp |= window_min_maximize( hwnd, cmd, &newPos );
}
else
{
if (was_visible) goto done;
swp |= SWP_NOSIZE | SWP_NOMOVE;
}
if (style & WS_CHILD && !(swp & SWP_STATECHANGED)) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
break;
default:
goto done;
}
if ((show_flag != was_visible || cmd == SW_SHOWNA) && cmd != SW_SHOWMAXIMIZED && !(swp & SWP_STATECHANGED))
{
send_message( hwnd, WM_SHOWWINDOW, show_flag, 0 );
if (!is_window( hwnd )) goto done;
}
if (IsRectEmpty( &newPos )) new_swp = swp;
else if ((new_swp = user_driver->pShowWindow( hwnd, cmd, &newPos, swp )) == ~0)
{
if (get_window_long( hwnd, GWL_STYLE ) & WS_CHILD) new_swp = swp;
else if (is_iconic( hwnd ) && (newPos.left != -32000 || newPos.top != -32000))
{
offset_rect( &newPos, -32000 - newPos.left, -32000 - newPos.top );
new_swp = swp & ~(SWP_NOMOVE | SWP_NOCLIENTMOVE);
}
else new_swp = swp;
}
swp = new_swp;
parent = NtUserGetAncestor( hwnd, GA_PARENT );
if (parent && !is_window_visible( parent ) && !(swp & SWP_STATECHANGED))
{
/* if parent is not visible simply toggle WS_VISIBLE and return */
if (show_flag) set_window_style( hwnd, WS_VISIBLE, 0 );
else set_window_style( hwnd, 0, WS_VISIBLE );
}
else
NtUserSetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
newPos.right - newPos.left, newPos.bottom - newPos.top, swp );
if (cmd == SW_HIDE)
{
HWND hFocus;
/* 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 == get_active_window()) activate_other_window( hwnd );
/* Revert focus to parent */
hFocus = get_focus();
if (hwnd == hFocus)
{
HWND parent = NtUserGetAncestor(hwnd, GA_PARENT);
if (parent == get_desktop_window()) parent = 0;
NtUserSetFocus(parent);
}
goto done;
}
if (!(win = get_win_ptr( hwnd )) || win == WND_OTHER_PROCESS) goto done;
if (win->flags & WIN_NEED_SIZE)
{
/* should happen only in CreateWindowEx() */
int wParam = SIZE_RESTORED;
RECT client;
LPARAM lparam;
get_window_rects( hwnd, COORDS_PARENT, NULL, &client, get_thread_dpi() );
lparam = MAKELONG( client.right - client.left, client.bottom - client.top );
win->flags &= ~WIN_NEED_SIZE;
if (win->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
else if (win->dwStyle & WS_MINIMIZE)
{
wParam = SIZE_MINIMIZED;
lparam = 0;
}
release_win_ptr( win );
send_message( hwnd, WM_SIZE, wParam, lparam );
send_message( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
}
else release_win_ptr( win );
/* if previous state was minimized Windows sets focus to the window */
if (style & WS_MINIMIZE)
{
NtUserSetFocus( hwnd );
/* Send a WM_ACTIVATE message for a top level window, even if the window is already active */
if (NtUserGetAncestor( hwnd, GA_ROOT ) == hwnd && !(swp & SWP_NOACTIVATE))
send_message( hwnd, WM_ACTIVATE, WA_ACTIVE, 0 );
}
done:
set_thread_dpi_awareness_context( context );
return was_visible;
}
/***********************************************************************
* NtUserShowWindowAsync (win32u.@)
*
* doesn't wait; returns immediately.
* used by threads to toggle windows in other (possibly hanging) threads
*/
BOOL WINAPI NtUserShowWindowAsync( HWND hwnd, INT cmd )
{
HWND full_handle;
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if ((full_handle = is_current_thread_window( hwnd )))
return show_window( full_handle, cmd );
return NtUserMessageCall( hwnd, WM_WINE_SHOWWINDOW, cmd, 0, 0,
NtUserSendNotifyMessage, FALSE );
}
/***********************************************************************
* NtUserShowWindow (win32u.@)
*/
BOOL WINAPI NtUserShowWindow( HWND hwnd, INT cmd )
{
HWND full_handle;
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if ((full_handle = is_current_thread_window( hwnd )))
return show_window( full_handle, cmd );
if ((cmd == SW_HIDE) && !(get_window_long( hwnd, GWL_STYLE ) & WS_VISIBLE))
return FALSE;
if ((cmd == SW_SHOW) && (get_window_long( hwnd, GWL_STYLE ) & WS_VISIBLE))
return TRUE;
return send_message( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
}
/*******************************************************************
* NtUserFlashWindowEx (win32u.@)
*/
BOOL WINAPI NtUserFlashWindowEx( FLASHWINFO *info )
{
WND *win;
TRACE( "%p\n", info );
if (!info)
{
SetLastError( ERROR_NOACCESS );
return FALSE;
}
if (!info->hwnd || info->cbSize != sizeof(FLASHWINFO) || !is_window( info->hwnd ))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
FIXME( "%p - semi-stub\n", info );
if (is_iconic( info->hwnd ))
{
NtUserRedrawWindow( info->hwnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
win = get_win_ptr( info->hwnd );
if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return FALSE;
if (info->dwFlags && !(win->flags & WIN_NCACTIVATED))
{
win->flags |= WIN_NCACTIVATED;
}
else
{
win->flags &= ~WIN_NCACTIVATED;
}
release_win_ptr( win );
user_driver->pFlashWindowEx( info );
return TRUE;
}
else
{
WPARAM wparam;
HWND hwnd = info->hwnd;
win = get_win_ptr( hwnd );
if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return FALSE;
hwnd = win->obj.handle; /* make it a full handle */
if (info->dwFlags) wparam = !(win->flags & WIN_NCACTIVATED);
else wparam = (hwnd == NtUserGetForegroundWindow());
release_win_ptr( win );
send_message( hwnd, WM_NCACTIVATE, wparam, 0 );
user_driver->pFlashWindowEx( info );
return wparam;
}
}
/* see GetWindowContextHelpId */
static DWORD get_window_context_help_id( HWND hwnd )
{
DWORD retval;
WND *win = get_win_ptr( hwnd );
if (!win || win == WND_DESKTOP) return 0;
if (win == WND_OTHER_PROCESS)
{
if (is_window( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
return 0;
}
retval = win->helpContext;
release_win_ptr( win );
return retval;
}
/***********************************************************************
* send_destroy_message
*/
static void send_destroy_message( HWND hwnd )
{
GUITHREADINFO info;
info.cbSize = sizeof(info);
if (NtUserGetGUIThreadInfo( GetCurrentThreadId(), &info ))
{
if (hwnd == info.hwndCaret && user_callbacks) user_callbacks->pDestroyCaret();
if (hwnd == info.hwndActive) activate_other_window( hwnd );
}
if (hwnd == NtUserGetClipboardOwner()) release_clipboard_owner( hwnd );
send_message( hwnd, WM_DESTROY, 0, 0);
/*
* This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
* make sure that the window still exists when we come back.
*/
if (is_window(hwnd))
{
HWND *children;
int i;
if (!(children = list_window_children( 0, hwnd, NULL, 0 ))) return;
for (i = 0; children[i]; i++)
{
if (is_window( children[i] )) send_destroy_message( children[i] );
}
free( children );
}
else
WARN( "\tdestroyed itself while in WM_DESTROY!\n" );
}
/***********************************************************************
* free_window_handle
*
* Free a window handle.
*/
static void free_window_handle( HWND hwnd )
{
WND *win;
TRACE( "\n" );
if ((win = get_user_handle_ptr( hwnd, NTUSER_OBJ_WINDOW )) && win != OBJ_OTHER_PROCESS)
{
SERVER_START_REQ( destroy_window )
{
req->handle = wine_server_user_handle( hwnd );
wine_server_call( req );
set_user_handle_ptr( hwnd, NULL );
}
SERVER_END_REQ;
user_unlock();
if (user_callbacks) user_callbacks->free_win_ptr( win );
free( win->text );
free( win );
}
}
/***********************************************************************
* destroy_window
*/
LRESULT destroy_window( HWND hwnd )
{
struct window_surface *surface;
HMENU menu = 0, sys_menu;
WND *win;
HWND *children;
TRACE( "%p\n", hwnd );
/* destroy default IME window */
if (win_set_flags( hwnd, 0, WIN_HAS_IME_WIN ) & WIN_HAS_IME_WIN)
{
TRACE("unregister IME window for %p\n", hwnd);
if (user_callbacks) user_callbacks->unregister_imm( hwnd );
}
/* free child windows */
if ((children = list_window_children( 0, hwnd, NULL, 0 )))
{
int i;
for (i = 0; children[i]; i++)
{
if (is_current_thread_window( children[i] ))
destroy_window( children[i] );
else
NtUserMessageCall( children[i], WM_WINE_DESTROYWINDOW, 0, 0,
0, NtUserSendNotifyMessage, FALSE );
}
free( children );
}
/* Unlink now so we won't bother with the children later on */
SERVER_START_REQ( set_parent )
{
req->handle = wine_server_user_handle( hwnd );
req->parent = 0;
wine_server_call( req );
}
SERVER_END_REQ;
send_message( hwnd, WM_NCDESTROY, 0, 0 );
/* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
/* free resources associated with the window */
if (!(win = get_win_ptr( hwnd )) || win == WND_OTHER_PROCESS) return 0;
if ((win->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
menu = (HMENU)win->wIDmenu;
sys_menu = win->hSysMenu;
free_dce( win->dce, hwnd );
win->dce = NULL;
NtUserDestroyCursor( win->hIconSmall2, 0 );
surface = win->surface;
win->surface = NULL;
release_win_ptr( win );
NtUserDestroyMenu( menu );
NtUserDestroyMenu( sys_menu );
if (surface)
{
register_window_surface( surface, NULL );
window_surface_release( surface );
}
user_driver->pDestroyWindow( hwnd );
free_window_handle( hwnd );
return 0;
}
/***********************************************************************
* NtUserDestroyWindow (win32u.@)
*/
BOOL WINAPI NtUserDestroyWindow( HWND hwnd )
{
BOOL is_child;
if (!(hwnd = is_current_thread_window( hwnd )) || is_desktop_window( hwnd ))
{
SetLastError( ERROR_ACCESS_DENIED );
return FALSE;
}
TRACE( "(%p)\n", hwnd );
if (call_hooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
if (user_callbacks && user_callbacks->is_menu_active() == hwnd)
user_callbacks->pEndMenu();
is_child = (get_window_long( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
if (is_child)
{
if (!is_exiting_thread( GetCurrentThreadId() ))
send_parent_notify( hwnd, WM_DESTROY );
}
else if (!get_window_relative( hwnd, GW_OWNER ))
{
call_hooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
/* FIXME: clean up palette - see "Internals" p.352 */
}
if (!is_window( hwnd )) return TRUE;
/* Hide the window */
if (get_window_long( hwnd, GWL_STYLE ) & WS_VISIBLE)
{
/* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
if (is_child)
NtUserShowWindow( hwnd, SW_HIDE );
else
NtUserSetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
}
if (!is_window( hwnd )) return TRUE;
/* Recursively destroy child windows */
if (!is_child)
{
for (;;)
{
BOOL got_one = FALSE;
HWND *children;
unsigned int i;
if (!(children = list_window_children( 0, get_desktop_window(), NULL, 0 ))) break;
for (i = 0; children[i]; i++)
{
if (get_window_relative( children[i], GW_OWNER ) != hwnd) continue;
if (is_current_thread_window( children[i] ))
{
NtUserDestroyWindow( children[i] );
got_one = TRUE;
continue;
}
set_window_owner( children[i], 0 );
}
free( children );
if (!got_one) break;
}
}
send_destroy_message( hwnd );
if (!is_window( hwnd )) return TRUE;
destroy_window( hwnd );
return TRUE;
}
/*****************************************************************************
* destroy_thread_windows
*
* Destroy all window owned by the current thread.
*/
void destroy_thread_windows(void)
{
WND *win, *free_list = NULL;
HWND hwnd = 0;
user_lock();
while ((win = next_thread_window_ptr( &hwnd )))
{
free_dce( win->dce, win->obj.handle );
set_user_handle_ptr( hwnd, NULL );
win->obj.handle = free_list;
free_list = win;
}
if (free_list)
{
SERVER_START_REQ( destroy_window )
{
req->handle = 0; /* destroy all thread windows */
wine_server_call( req );
}
SERVER_END_REQ;
}
user_unlock();
while ((win = free_list))
{
free_list = win->obj.handle;
TRACE( "destroying %p\n", win );
if ((win->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD && win->wIDmenu)
NtUserDestroyMenu( UlongToHandle(win->wIDmenu) );
if (win->hSysMenu) NtUserDestroyMenu( win->hSysMenu );
if (win->surface)
{
register_window_surface( win->surface, NULL );
window_surface_release( win->surface );
}
if (user_callbacks) user_callbacks->free_win_ptr( win );
free( win->text );
free( win );
}
}
/***********************************************************************
* create_window_handle
*
* Create a window handle with the server.
*/
static WND *create_window_handle( HWND parent, HWND owner, UNICODE_STRING *name,
HINSTANCE instance, BOOL ansi,
DWORD style, DWORD ex_style )
{
DPI_AWARENESS awareness = get_thread_dpi_awareness();
HWND handle = 0, full_parent = 0, full_owner = 0;
struct tagCLASS *class = NULL;
int extra_bytes = 0;
UINT dpi = 0;
WND *win;
SERVER_START_REQ( create_window )
{
req->parent = wine_server_user_handle( parent );
req->owner = wine_server_user_handle( owner );
req->instance = wine_server_client_ptr( instance );
req->dpi = get_system_dpi();
req->awareness = awareness;
req->style = style;
req->ex_style = ex_style;
if (!(req->atom = get_int_atom_value( name )) && name->Length)
wine_server_add_data( req, name->Buffer, name->Length );
if (!wine_server_call_err( req ))
{
handle = wine_server_ptr_handle( reply->handle );
full_parent = wine_server_ptr_handle( reply->parent );
full_owner = wine_server_ptr_handle( reply->owner );
extra_bytes = reply->extra;
dpi = reply->dpi;
awareness = reply->awareness;
class = wine_server_get_ptr( reply->class_ptr );
}
}
SERVER_END_REQ;
if (!handle)
{
WARN( "error %d creating window\n", GetLastError() );
return NULL;
}
if (!(win = calloc( 1, FIELD_OFFSET(WND, wExtra) + extra_bytes )))
{
SERVER_START_REQ( destroy_window )
{
req->handle = wine_server_user_handle( handle );
wine_server_call( req );
}
SERVER_END_REQ;
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return NULL;
}
if (!parent) /* if parent is 0 we don't have a desktop window yet */
{
struct user_thread_info *thread_info = get_user_thread_info();
if (name->Buffer == (const WCHAR *)DESKTOP_CLASS_ATOM)
{
if (!thread_info->top_window) thread_info->top_window = full_parent ? full_parent : handle;
else assert( full_parent == thread_info->top_window );
if (full_parent && !user_driver->pCreateDesktopWindow( thread_info->top_window ))
ERR( "failed to create desktop window\n" );
if (user_callbacks) user_callbacks->register_builtin_classes();
}
else /* HWND_MESSAGE parent */
{
if (!thread_info->msg_window && !full_parent) thread_info->msg_window = handle;
}
}
user_lock();
win->obj.handle = handle;
win->obj.type = NTUSER_OBJ_WINDOW;
win->parent = full_parent;
win->owner = full_owner;
win->class = class;
win->winproc = get_class_winproc( class );
win->cbWndExtra = extra_bytes;
win->dpi = dpi;
win->dpi_awareness = awareness;
set_user_handle_ptr( handle, &win->obj );
if (is_winproc_unicode( win->winproc, !ansi )) win->flags |= WIN_ISUNICODE;
return win;
}
static BOOL is_default_coord( int x )
{
return x == CW_USEDEFAULT || x == 0x8000;
}
/***********************************************************************
* fix_cs_coordinates
*
* Fix the coordinates and return default show mode in sw.
*/
static void fix_cs_coordinates( CREATESTRUCTW *cs, INT *sw )
{
if (cs->style & (WS_CHILD | WS_POPUP))
{
if (is_default_coord(cs->x)) cs->x = cs->y = 0;
if (is_default_coord(cs->cx)) cs->cx = cs->cy = 0;
}
else /* overlapped window */
{
RTL_USER_PROCESS_PARAMETERS *params = NtCurrentTeb()->Peb->ProcessParameters;
HMONITOR monitor;
MONITORINFO mon_info;
if (!is_default_coord( cs->x ) && !is_default_coord( cs->cx ) && !is_default_coord( cs->cy ))
return;
monitor = monitor_from_window( cs->hwndParent, MONITOR_DEFAULTTOPRIMARY, get_thread_dpi() );
mon_info.cbSize = sizeof(mon_info);
get_monitor_info( monitor, &mon_info );
if (is_default_coord( cs->x ))
{
if (!is_default_coord( cs->y )) *sw = cs->y;
cs->x = (params->dwFlags & STARTF_USEPOSITION) ? params->dwX : mon_info.rcWork.left;
cs->y = (params->dwFlags & STARTF_USEPOSITION) ? params->dwY : mon_info.rcWork.top;
}
if (is_default_coord( cs->cx ))
{
if (params->dwFlags & STARTF_USESIZE)
{
cs->cx = params->dwXSize;
cs->cy = params->dwYSize;
}
else
{
cs->cx = (mon_info.rcWork.right - mon_info.rcWork.left) * 3 / 4 - cs->x;
cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
}
}
/* neither x nor cx are default. Check the y values.
* In the trace we see Outlook and Outlook Express using
* cy set to CW_USEDEFAULT when opening the address book.
*/
else if (is_default_coord( cs->cy ))
{
FIXME( "Strange use of CW_USEDEFAULT in cy\n" );
cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
}
}
}
/***********************************************************************
* map_dpi_create_struct
*/
static void map_dpi_create_struct( CREATESTRUCTW *cs, UINT dpi_from, UINT dpi_to )
{
if (!dpi_from && !dpi_to) return;
if (!dpi_from || !dpi_to)
{
POINT pt = { cs->x, cs->y };
UINT mon_dpi = get_monitor_dpi( monitor_from_point( pt, MONITOR_DEFAULTTONEAREST, dpi_from ));
if (!dpi_from) dpi_from = mon_dpi;
else dpi_to = mon_dpi;
}
if (dpi_from == dpi_to) return;
cs->x = muldiv( cs->x, dpi_to, dpi_from );
cs->y = muldiv( cs->y, dpi_to, dpi_from );
cs->cx = muldiv( cs->cx, dpi_to, dpi_from );
cs->cy = muldiv( cs->cy, dpi_to, dpi_from );
}
/***********************************************************************
* NtUserCreateWindowEx (win32u.@)
*/
HWND WINAPI NtUserCreateWindowEx( DWORD ex_style, UNICODE_STRING *class_name,
UNICODE_STRING *version, UNICODE_STRING *window_name,
DWORD style, INT x, INT y, INT cx, INT cy,
HWND parent, HMENU menu, HINSTANCE instance, void *params,
DWORD flags, CBT_CREATEWNDW *cbtc, DWORD unk, BOOL ansi )
{
CREATESTRUCTW cs, *client_cs = cbtc->lpcs;
UINT win_dpi, thread_dpi = get_thread_dpi();
DPI_AWARENESS_CONTEXT context;
HWND hwnd, owner = 0;
INT sw = SW_SHOW;
RECT rect;
WND *win;
static const WCHAR messageW[] = {'M','e','s','s','a','g','e'};
cs.lpCreateParams = params;
cs.hInstance = client_cs->hInstance; /* may be different than instance for win16 */
cs.hMenu = menu;
cs.hwndParent = parent;
cs.style = style;
cs.dwExStyle = ex_style;
cs.x = x;
cs.y = y;
cs.cx = cx;
cs.cy = cy;
/* We use client_cs to pass original class and name pointers,
* that's probably not how native handles it. */
cs.lpszName = client_cs->lpszName;
cs.lpszClass = client_cs->lpszClass;
/* Find the parent window */
if (parent == HWND_MESSAGE)
{
cs.hwndParent = parent = get_hwnd_message_parent();
}
else if (parent)
{
if ((cs.style & (WS_CHILD|WS_POPUP)) != WS_CHILD)
{
owner = parent;
parent = get_desktop_window();
}
else
{
DWORD parent_style = get_window_long( parent, GWL_EXSTYLE );
if ((parent_style & WS_EX_LAYOUTRTL) && !(parent_style & WS_EX_NOINHERITLAYOUT))
cs.dwExStyle |= WS_EX_LAYOUTRTL;
}
}
else
{
if ((cs.style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
{
WARN( "No parent for child window\n" );
SetLastError( ERROR_TLW_WITH_WSCHILD );
return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
}
/* are we creating the desktop or HWND_MESSAGE parent itself? */
if (class_name->Buffer != (LPCWSTR)DESKTOP_CLASS_ATOM &&
(class_name->Length != sizeof(messageW) ||
wcsnicmp( class_name->Buffer, messageW, ARRAYSIZE(messageW) )))
{
parent = get_desktop_window();
}
}
fix_cs_coordinates( &cs, &sw );
cs.dwExStyle = fix_exstyle( cs.style, cs.dwExStyle );
/* Create the window structure */
style = cs.style & ~WS_VISIBLE;
ex_style = cs.dwExStyle & ~WS_EX_LAYERED;
if (!(win = create_window_handle( parent, owner, class_name, instance, ansi, style, ex_style )))
return 0;
hwnd = win->obj.handle;
/* Fill the window structure */
win->tid = GetCurrentThreadId();
win->hInstance = cs.hInstance;
win->text = NULL;
win->dwStyle = style;
win->dwExStyle = ex_style;
win->wIDmenu = 0;
win->helpContext = 0;
win->pScroll = NULL;
win->userdata = 0;
win->hIcon = 0;
win->hIconSmall = 0;
win->hIconSmall2 = 0;
win->hSysMenu = 0;
win->min_pos.x = win->min_pos.y = -1;
win->max_pos.x = win->max_pos.y = -1;
SetRect( &win->normal_rect, cs.x, cs.y, cs.x + cs.cx, cs.y + cs.cy );
if (win->dwStyle & WS_SYSMENU) NtUserSetSystemMenu( hwnd, 0 );
/* call the WH_CBT hook */
release_win_ptr( win );
*client_cs = cs;
cbtc->hwndInsertAfter = HWND_TOP;
if (call_hooks( WH_CBT, HCBT_CREATEWND, (WPARAM)hwnd, (LPARAM)cbtc, !ansi ))
{
free_window_handle( hwnd );
return 0;
}
if (!(win = get_win_ptr( hwnd ))) return 0;
/*
* Correct the window styles.
*
* It affects only the style loaded into the WND structure.
*/
if ((win->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
{
win->dwStyle |= WS_CLIPSIBLINGS;
if (!(win->dwStyle & WS_POPUP)) win->dwStyle |= WS_CAPTION;
}
win->dwExStyle = cs.dwExStyle;
/* WS_EX_WINDOWEDGE depends on some other styles */
if ((win->dwStyle & (WS_DLGFRAME | WS_THICKFRAME)) &&
!(win->dwStyle & (WS_CHILD | WS_POPUP)))
win->dwExStyle |= WS_EX_WINDOWEDGE;
if (!(win->dwStyle & (WS_CHILD | WS_POPUP))) win->flags |= WIN_NEED_SIZE;
SERVER_START_REQ( set_window_info )
{
req->handle = wine_server_user_handle( hwnd );
req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE | SET_WIN_UNICODE;
req->style = win->dwStyle;
req->ex_style = win->dwExStyle;
req->instance = wine_server_client_ptr( win->hInstance );
req->is_unicode = (win->flags & WIN_ISUNICODE) != 0;
req->extra_offset = -1;
wine_server_call( req );
}
SERVER_END_REQ;
/* Set the window menu */
if ((win->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
{
if (cs.hMenu && user_callbacks && !user_callbacks->set_menu( hwnd, cs.hMenu ))
{
release_win_ptr( win );
free_window_handle( hwnd );
return 0;
}
}
else NtUserSetWindowLongPtr( hwnd, GWLP_ID, (ULONG_PTR)cs.hMenu, FALSE );
win_dpi = win->dpi;
release_win_ptr( win );
if (parent) map_dpi_create_struct( &cs, thread_dpi, win_dpi );
context = set_thread_dpi_awareness_context( get_window_dpi_awareness_context( hwnd ));
/* send the WM_GETMINMAXINFO message and fix the size if needed */
cx = cs.cx;
cy = cs.cy;
if ((cs.style & WS_THICKFRAME) || !(cs.style & (WS_POPUP | WS_CHILD)))
{
MINMAXINFO info = get_min_max_info( hwnd );
cx = max( min( cx, info.ptMaxTrackSize.x ), info.ptMinTrackSize.x );
cy = max( min( cy, info.ptMaxTrackSize.y ), info.ptMinTrackSize.y );
}
if (cx < 0) cx = 0;
if (cy < 0) cy = 0;
set_rect( &rect, cs.x, cs.y, cs.x + cx, cs.y + cy );
/* check for wraparound */
if (cs.x > 0x7fffffff - cx) rect.right = 0x7fffffff;
if (cs.y > 0x7fffffff - cy) rect.bottom = 0x7fffffff;
if (!apply_window_pos( hwnd, 0, SWP_NOZORDER | SWP_NOACTIVATE, &rect, &rect, NULL )) goto failed;
/* send WM_NCCREATE */
TRACE( "hwnd %p cs %d,%d %dx%d %s\n", hwnd, cs.x, cs.y, cs.cx, cs.cy, wine_dbgstr_rect(&rect) );
*client_cs = cs;
if (!NtUserMessageCall( hwnd, WM_NCCREATE, 0, (LPARAM)client_cs, NULL, NtUserSendMessage, ansi ))
{
WARN( "%p: aborted by WM_NCCREATE\n", hwnd );
goto failed;
}
/* create default IME window */
if (!is_desktop_window( hwnd ) && parent != get_hwnd_message_parent() &&
user_callbacks && user_callbacks->register_imm( hwnd ))
{
TRACE( "register IME window for %p\n", hwnd );
win_set_flags( hwnd, WIN_HAS_IME_WIN, 0 );
}
/* send WM_NCCALCSIZE */
if (get_window_rects( hwnd, COORDS_PARENT, &rect, NULL, win_dpi ))
{
/* yes, even if the CBT hook was called with HWND_TOP */
HWND insert_after = (get_window_long( hwnd, GWL_STYLE ) & WS_CHILD) ? HWND_BOTTOM : HWND_TOP;
RECT client_rect = rect;
/* the rectangle is in screen coords for WM_NCCALCSIZE when wparam is FALSE */
map_window_points( parent, 0, (POINT *)&client_rect, 2, win_dpi );
send_message( hwnd, WM_NCCALCSIZE, FALSE, (LPARAM)&client_rect );
map_window_points( 0, parent, (POINT *)&client_rect, 2, win_dpi );
apply_window_pos( hwnd, insert_after, SWP_NOACTIVATE, &rect, &client_rect, NULL );
}
else goto failed;
/* send WM_CREATE */
if (NtUserMessageCall( hwnd, WM_CREATE, 0, (LPARAM)client_cs, 0, NtUserSendMessage, ansi ) == -1)
goto failed;
cs = *client_cs;
/* call the driver */
if (!user_driver->pCreateWindow( hwnd )) goto failed;
NtUserNotifyWinEvent( EVENT_OBJECT_CREATE, hwnd, OBJID_WINDOW, 0 );
/* send the size messages */
if (!(win_get_flags( hwnd ) & WIN_NEED_SIZE))
{
get_window_rects( hwnd, COORDS_PARENT, NULL, &rect, win_dpi );
send_message( hwnd, WM_SIZE, SIZE_RESTORED,
MAKELONG(rect.right-rect.left, rect.bottom-rect.top));
send_message( hwnd, WM_MOVE, 0, MAKELONG( rect.left, rect.top ) );
}
/* Show the window, maximizing or minimizing if needed */
style = set_window_style( hwnd, 0, WS_MAXIMIZE | WS_MINIMIZE );
if (style & (WS_MINIMIZE | WS_MAXIMIZE))
{
RECT new_pos;
UINT sw_flags = (style & WS_MINIMIZE) ? SW_MINIMIZE : SW_MAXIMIZE;
sw_flags = window_min_maximize( hwnd, sw_flags, &new_pos );
sw_flags |= SWP_FRAMECHANGED; /* Frame always gets changed */
if (!(style & WS_VISIBLE) || (style & WS_CHILD) || get_active_window())
sw_flags |= SWP_NOACTIVATE;
NtUserSetWindowPos( hwnd, 0, new_pos.left, new_pos.top, new_pos.right - new_pos.left,
new_pos.bottom - new_pos.top, sw_flags );
}
/* Notify the parent window only */
send_parent_notify( hwnd, WM_CREATE );
if (!is_window( hwnd ))
{
set_thread_dpi_awareness_context( context );
return 0;
}
if (parent == get_desktop_window())
NtUserPostMessage( parent, WM_PARENTNOTIFY, WM_CREATE, (LPARAM)hwnd );
if (cs.style & WS_VISIBLE)
{
if (cs.style & WS_MAXIMIZE)
sw = SW_SHOW;
else if (cs.style & WS_MINIMIZE)
sw = SW_SHOWMINIMIZED;
NtUserShowWindow( hwnd, sw );
if (cs.dwExStyle & WS_EX_MDICHILD)
{
send_message( cs.hwndParent, WM_MDIREFRESHMENU, 0, 0 );
/* ShowWindow won't activate child windows */
NtUserSetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
}
}
/* Call WH_SHELL hook */
if (!(get_window_long( hwnd, GWL_STYLE ) & WS_CHILD) && !get_window_relative( hwnd, GW_OWNER ))
call_hooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
TRACE( "created window %p\n", hwnd );
set_thread_dpi_awareness_context( context );
return hwnd;
failed:
destroy_window( hwnd );
set_thread_dpi_awareness_context( context );
return 0;
}
/*****************************************************************************
* NtUserCallHwnd (win32u.@)
*/
ULONG_PTR WINAPI NtUserCallHwnd( HWND hwnd, DWORD code )
{
switch (code)
{
case NtUserArrangeIconicWindows:
return arrange_iconic_windows( hwnd );
case NtUserGetDpiForWindow:
return get_dpi_for_window( hwnd );
case NtUserGetParent:
return HandleToUlong( get_parent( hwnd ));
case NtUserGetWindowContextHelpId:
return get_window_context_help_id( hwnd );
case NtUserGetWindowDpiAwarenessContext:
return (ULONG_PTR)get_window_dpi_awareness_context( hwnd );
case NtUserGetWindowTextLength:
return get_server_window_text( hwnd, NULL, 0 );
case NtUserIsWindow:
return is_window( hwnd );
case NtUserIsWindowEnabled:
return is_window_enabled( hwnd );
case NtUserIsWindowUnicode:
return is_window_unicode( hwnd );
case NtUserIsWindowVisible:
return is_window_visible( hwnd );
default:
FIXME( "invalid code %u\n", code );
return 0;
}
}
/*****************************************************************************
* NtUserCallHwndParam (win32u.@)
*/
ULONG_PTR WINAPI NtUserCallHwndParam( HWND hwnd, DWORD_PTR param, DWORD code )
{
switch (code)
{
case NtUserGetClassLongA:
return get_class_long( hwnd, param, TRUE );
case NtUserGetClassLongW:
return get_class_long( hwnd, param, FALSE );
case NtUserGetClassLongPtrA:
return get_class_long_ptr( hwnd, param, TRUE );
case NtUserGetClassLongPtrW:
return get_class_long_ptr( hwnd, param, FALSE );
case NtUserGetClassWord:
return get_class_word( hwnd, param );
case NtUserGetClientRect:
return get_client_rect( hwnd, (RECT *)param );
case NtUserGetMinMaxInfo:
*(MINMAXINFO *)param = get_min_max_info( hwnd );
return 0;
case NtUserGetWindowInfo:
return get_window_info( hwnd, (WINDOWINFO *)param );
case NtUserGetWindowLongA:
return get_window_long_size( hwnd, param, sizeof(LONG), TRUE );
case NtUserGetWindowLongW:
return get_window_long( hwnd, param );
case NtUserGetWindowLongPtrA:
return get_window_long_ptr( hwnd, param, TRUE );
case NtUserGetWindowLongPtrW:
return get_window_long_ptr( hwnd, param, FALSE );
case NtUserGetWindowPlacement:
return get_window_placement( hwnd, (WINDOWPLACEMENT *)param );
case NtUserGetWindowRect:
return get_window_rect( hwnd, (RECT *)param, get_thread_dpi() );
case NtUserGetWindowRelative:
return HandleToUlong( get_window_relative( hwnd, param ));
case NtUserGetWindowThread:
return get_window_thread( hwnd, (DWORD *)param );
case NtUserGetWindowWord:
return get_window_word( hwnd, param );
case NtUserIsChild:
return is_child( hwnd, UlongToHandle(param) );
case NtUserKillSystemTimer:
return kill_system_timer( hwnd, param );
case NtUserMonitorFromWindow:
return HandleToUlong( monitor_from_window( hwnd, param, NtUserMonitorFromWindow ));
case NtUserScreenToClient:
return screen_to_client( hwnd, (POINT *)param );
case NtUserSetCaptureWindow:
return set_capture_window( hwnd, param, NULL );
case NtUserSetForegroundWindow:
return set_foreground_window( hwnd, param );
case NtUserSetWindowPixelFormat:
return set_window_pixel_format( hwnd, param );
/* temporary exports */
case NtUserIsWindowDrawable:
return is_window_drawable( hwnd, param );
case NtUserSetWindowStyle:
{
STYLESTRUCT *style = (void *)param;
return set_window_style( hwnd, style->styleNew, style->styleOld );
}
case NtUserSpyGetMsgName:
return (UINT_PTR)debugstr_msg_name( param, hwnd );
default:
FIXME( "invalid code %u\n", code );
return 0;
}
}
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