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Fixed a number of bugs in the handling of window parent and owner and 

added a regression test (based on the work of Bill Medland).
oldstable
Alexandre Julliard 2002-09-25 00:21:56 +00:00
parent e70d08be31
commit 7dafa61700
9 changed files with 503 additions and 71 deletions
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1
dlls/user/tests/.cvsignore
View File

@ -3,4 +3,5 @@ class.ok
sysparams.ok
testlist.c
user32_test.exe.spec.c
win.ok
wsprintf.ok

1
dlls/user/tests/Makefile.in
View File

@ -8,6 +8,7 @@ IMPORTS = user32 gdi32 advapi32
CTESTS = \
class.c \
sysparams.c \
win.c \
wsprintf.c
@MAKE_TEST_RULES@

401
dlls/user/tests/win.c 100644
View File

@ -0,0 +1,401 @@
/*
* Unit tests for window handling
*
* Copyright 2002 Bill Medland
* Copyright 2002 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include "wine/test.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
static HWND (WINAPI *pGetAncestor)(HWND,UINT);
static HWND hwndMain, hwndMain2;
/* check the values returned by the various parent/owner functions on a given window */
static void check_parents( HWND hwnd, HWND ga_parent, HWND gwl_parent, HWND get_parent,
HWND gw_owner, HWND ga_root, HWND ga_root_owner )
{
HWND res;
if (pGetAncestor)
{
res = pGetAncestor( hwnd, GA_PARENT );
ok( res == ga_parent, "Wrong result for GA_PARENT %x expected %x", res, ga_parent );
}
res = GetWindowLongW( hwnd, GWL_HWNDPARENT );
ok( res == gwl_parent, "Wrong result for GWL_HWNDPARENT %x expected %x", res, gwl_parent );
res = GetParent( hwnd );
ok( res == get_parent, "Wrong result for GetParent %x expected %x", res, get_parent );
res = GetWindow( hwnd, GW_OWNER );
ok( res == gw_owner, "Wrong result for GW_OWNER %x expected %x", res, gw_owner );
if (pGetAncestor)
{
res = pGetAncestor( hwnd, GA_ROOT );
ok( res == ga_root, "Wrong result for GA_ROOT %x expected %x", res, ga_root );
res = pGetAncestor( hwnd, GA_ROOTOWNER );
ok( res == ga_root_owner, "Wrong result for GA_ROOTOWNER %x expected %x", res, ga_root_owner );
}
}
static HWND create_tool_window( LONG style, HWND parent )
{
HWND ret = CreateWindowExA(0, "ToolWindowClass", "Tool window 1", style,
0, 0, 100, 100, parent, 0, 0, NULL );
ok( ret != 0, "Creation failed" );
return ret;
}
/* test parent and owner values for various combinations */
static void test_parent_owner(void)
{
LONG style;
HWND test, owner, ret;
HWND desktop = GetDesktopWindow();
HWND child = create_tool_window( WS_CHILD, hwndMain );
trace( "main window %x main2 %x desktop %x child %x\n", hwndMain, hwndMain2, desktop, child );
/* child without parent, should fail */
test = CreateWindowExA(0, "ToolWindowClass", "Tool window 1",
WS_CHILD, 0, 0, 100, 100, 0, 0, 0, NULL );
ok( !test, "WS_CHILD without parent created" );
/* desktop window */
check_parents( desktop, 0, 0, 0, 0, 0, 0 );
style = GetWindowLongW( desktop, GWL_STYLE );
ok( !SetWindowLongW( desktop, GWL_STYLE, WS_POPUP ), "Set GWL_STYLE on desktop succeeded" );
ok( !SetWindowLongW( desktop, GWL_STYLE, 0 ), "Set GWL_STYLE on desktop succeeded" );
ok( GetWindowLongW( desktop, GWL_STYLE ) == style, "Desktop style changed" );
/* normal child window */
test = create_tool_window( WS_CHILD, hwndMain );
trace( "created child %x\n", test );
check_parents( test, hwndMain, hwndMain, hwndMain, 0, hwndMain, hwndMain );
SetWindowLongW( test, GWL_STYLE, 0 );
check_parents( test, hwndMain, hwndMain, 0, 0, hwndMain, test );
SetWindowLongW( test, GWL_STYLE, WS_POPUP );
check_parents( test, hwndMain, hwndMain, 0, 0, hwndMain, test );
SetWindowLongW( test, GWL_STYLE, WS_POPUP|WS_CHILD );
check_parents( test, hwndMain, hwndMain, 0, 0, hwndMain, test );
SetWindowLongW( test, GWL_STYLE, WS_CHILD );
DestroyWindow( test );
/* child of desktop */
test = create_tool_window( WS_CHILD, desktop );
trace( "created child of desktop %x\n", test );
check_parents( test, desktop, 0, desktop, 0, test, desktop );
SetWindowLongW( test, GWL_STYLE, WS_POPUP );
check_parents( test, desktop, 0, 0, 0, test, test );
SetWindowLongW( test, GWL_STYLE, 0 );
check_parents( test, desktop, 0, 0, 0, test, test );
DestroyWindow( test );
/* child of child */
test = create_tool_window( WS_CHILD, child );
trace( "created child of child %x\n", test );
check_parents( test, child, child, child, 0, hwndMain, hwndMain );
SetWindowLongW( test, GWL_STYLE, 0 );
check_parents( test, child, child, 0, 0, hwndMain, test );
SetWindowLongW( test, GWL_STYLE, WS_POPUP );
check_parents( test, child, child, 0, 0, hwndMain, test );
DestroyWindow( test );
/* not owned top-level window */
test = create_tool_window( 0, 0 );
trace( "created top-level %x\n", test );
check_parents( test, desktop, 0, 0, 0, test, test );
SetWindowLongW( test, GWL_STYLE, WS_POPUP );
check_parents( test, desktop, 0, 0, 0, test, test );
SetWindowLongW( test, GWL_STYLE, WS_CHILD );
check_parents( test, desktop, 0, desktop, 0, test, desktop );
DestroyWindow( test );
/* owned top-level window */
test = create_tool_window( 0, hwndMain );
trace( "created owned top-level %x\n", test );
check_parents( test, desktop, hwndMain, 0, hwndMain, test, test );
SetWindowLongW( test, GWL_STYLE, WS_POPUP );
check_parents( test, desktop, hwndMain, hwndMain, hwndMain, test, hwndMain );
SetWindowLongW( test, GWL_STYLE, WS_CHILD );
check_parents( test, desktop, hwndMain, desktop, hwndMain, test, desktop );
DestroyWindow( test );
/* not owned popup */
test = create_tool_window( WS_POPUP, 0 );
trace( "created popup %x\n", test );
check_parents( test, desktop, 0, 0, 0, test, test );
SetWindowLongW( test, GWL_STYLE, WS_CHILD );
check_parents( test, desktop, 0, desktop, 0, test, desktop );
SetWindowLongW( test, GWL_STYLE, 0 );
check_parents( test, desktop, 0, 0, 0, test, test );
DestroyWindow( test );
/* owned popup */
test = create_tool_window( WS_POPUP, hwndMain );
trace( "created owned popup %x\n", test );
check_parents( test, desktop, hwndMain, hwndMain, hwndMain, test, hwndMain );
SetWindowLongW( test, GWL_STYLE, WS_CHILD );
check_parents( test, desktop, hwndMain, desktop, hwndMain, test, desktop );
SetWindowLongW( test, GWL_STYLE, 0 );
check_parents( test, desktop, hwndMain, 0, hwndMain, test, test );
DestroyWindow( test );
/* top-level window owned by child (same as owned by top-level) */
test = create_tool_window( 0, child );
trace( "created top-level owned by child %x\n", test );
check_parents( test, desktop, hwndMain, 0, hwndMain, test, test );
DestroyWindow( test );
/* popup owned by desktop (same as not owned) */
test = create_tool_window( WS_POPUP, desktop );
trace( "created popup owned by desktop %x\n", test );
check_parents( test, desktop, 0, 0, 0, test, test );
DestroyWindow( test );
/* popup owned by child (same as owned by top-level) */
test = create_tool_window( WS_POPUP, child );
trace( "created popup owned by child %x\n", test );
check_parents( test, desktop, hwndMain, hwndMain, hwndMain, test, hwndMain );
DestroyWindow( test );
/* not owned popup with WS_CHILD (same as WS_POPUP only) */
test = create_tool_window( WS_POPUP | WS_CHILD, 0 );
trace( "created WS_CHILD popup %x\n", test );
check_parents( test, desktop, 0, 0, 0, test, test );
DestroyWindow( test );
/* owned popup with WS_CHILD (same as WS_POPUP only) */
test = create_tool_window( WS_POPUP | WS_CHILD, hwndMain );
trace( "created owned WS_CHILD popup %x\n", test );
check_parents( test, desktop, hwndMain, hwndMain, hwndMain, test, hwndMain );
DestroyWindow( test );
/******************** parent changes *************************/
trace( "testing parent changes\n" );
/* desktop window */
check_parents( desktop, 0, 0, 0, 0, 0, 0 );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, hwndMain2 );
ok( !ret, "Set GWL_HWNDPARENT succeeded on desktop" );
check_parents( desktop, 0, 0, 0, 0, 0, 0 );
ok( !SetParent( desktop, hwndMain ), "SetParent succeeded on desktop" );
check_parents( desktop, 0, 0, 0, 0, 0, 0 );
/* normal child window */
test = create_tool_window( WS_CHILD, hwndMain );
trace( "created child %x\n", test );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, hwndMain2 );
ok( ret == hwndMain, "GWL_HWNDPARENT return value %x expected %x", ret, hwndMain );
check_parents( test, hwndMain2, hwndMain2, hwndMain2, 0, hwndMain2, hwndMain2 );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, child );
ok( ret == hwndMain2, "GWL_HWNDPARENT return value %x expected %x", ret, hwndMain2 );
check_parents( test, child, child, child, 0, hwndMain, hwndMain );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, desktop );
ok( ret == child, "GWL_HWNDPARENT return value %x expected %x", ret, child );
check_parents( test, desktop, 0, desktop, 0, test, desktop );
/* window is now child of desktop so GWL_HWNDPARENT changes owner from now on */
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, child );
ok( ret == 0, "GWL_HWNDPARENT return value %x expected %x", ret, 0 );
check_parents( test, desktop, child, desktop, child, test, desktop );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, 0 );
ok( ret == child, "GWL_HWNDPARENT return value %x expected %x", ret, child );
check_parents( test, desktop, 0, desktop, 0, test, desktop );
DestroyWindow( test );
/* not owned top-level window */
test = create_tool_window( 0, 0 );
trace( "created top-level %x\n", test );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, hwndMain2 );
ok( ret == 0, "GWL_HWNDPARENT return value %x expected %x", ret, 0 );
check_parents( test, desktop, hwndMain2, 0, hwndMain2, test, test );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, child );
ok( ret == hwndMain2, "GWL_HWNDPARENT return value %x expected %x", ret, hwndMain2 );
check_parents( test, desktop, child, 0, child, test, test );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, 0 );
ok( ret == child, "GWL_HWNDPARENT return value %x expected %x", ret, child );
check_parents( test, desktop, 0, 0, 0, test, test );
DestroyWindow( test );
/* not owned popup */
test = create_tool_window( WS_POPUP, 0 );
trace( "created popup %x\n", test );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, hwndMain2 );
ok( ret == 0, "GWL_HWNDPARENT return value %x expected %x", ret, 0 );
check_parents( test, desktop, hwndMain2, hwndMain2, hwndMain2, test, hwndMain2 );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, child );
ok( ret == hwndMain2, "GWL_HWNDPARENT return value %x expected %x", ret, hwndMain2 );
check_parents( test, desktop, child, child, child, test, hwndMain );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, 0 );
ok( ret == child, "GWL_HWNDPARENT return value %x expected %x", ret, child );
check_parents( test, desktop, 0, 0, 0, test, test );
DestroyWindow( test );
/* normal child window */
test = create_tool_window( WS_CHILD, hwndMain );
trace( "created child %x\n", test );
ret = SetParent( test, desktop );
ok( ret == hwndMain, "SetParent return value %x expected %x", ret, hwndMain );
check_parents( test, desktop, 0, desktop, 0, test, desktop );
ret = SetParent( test, child );
ok( ret == desktop, "SetParent return value %x expected %x", ret, desktop );
check_parents( test, child, child, child, 0, hwndMain, hwndMain );
ret = SetParent( test, hwndMain2 );
ok( ret == child, "SetParent return value %x expected %x", ret, child );
check_parents( test, hwndMain2, hwndMain2, hwndMain2, 0, hwndMain2, hwndMain2 );
DestroyWindow( test );
/* not owned top-level window */
test = create_tool_window( 0, 0 );
trace( "created top-level %x\n", test );
ret = SetParent( test, child );
ok( ret == desktop, "SetParent return value %x expected %x", ret, desktop );
check_parents( test, child, child, 0, 0, hwndMain, test );
DestroyWindow( test );
/* owned popup */
test = create_tool_window( WS_POPUP, hwndMain2 );
trace( "created owned popup %x\n", test );
ret = SetParent( test, child );
ok( ret == desktop, "SetParent return value %x expected %x", ret, desktop );
check_parents( test, child, child, hwndMain2, hwndMain2, hwndMain, hwndMain2 );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, hwndMain );
ok( ret == child, "GWL_HWNDPARENT return value %x expected %x", ret, child );
check_parents( test, hwndMain, hwndMain, hwndMain2, hwndMain2, hwndMain, hwndMain2 );
DestroyWindow( test );
/**************** test owner destruction *******************/
/* owned child popup */
owner = create_tool_window( 0, 0 );
test = create_tool_window( WS_POPUP, owner );
trace( "created owner %x and popup %x\n", owner, test );
ret = SetParent( test, child );
ok( ret == desktop, "SetParent return value %x expected %x", ret, desktop );
check_parents( test, child, child, owner, owner, hwndMain, owner );
/* window is now child of 'child' but owned by 'owner' */
DestroyWindow( owner );
ok( IsWindow(test), "Window %x destroyed by owner destruction", test );
check_parents( test, child, child, owner, owner, hwndMain, owner );
ok( !IsWindow(owner), "Owner %x not destroyed", owner );
DestroyWindow(test);
/* owned top-level popup */
owner = create_tool_window( 0, 0 );
test = create_tool_window( WS_POPUP, owner );
trace( "created owner %x and popup %x\n", owner, test );
check_parents( test, desktop, owner, owner, owner, test, owner );
DestroyWindow( owner );
ok( !IsWindow(test), "Window %x not destroyed by owner destruction", test );
/* top-level popup owned by child */
owner = create_tool_window( WS_CHILD, hwndMain2 );
test = create_tool_window( WS_POPUP, 0 );
trace( "created owner %x and popup %x\n", owner, test );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, owner );
ok( ret == 0, "GWL_HWNDPARENT return value %x expected %x", ret, 0 );
check_parents( test, desktop, owner, owner, owner, test, hwndMain2 );
DestroyWindow( owner );
ok( IsWindow(test), "Window %x destroyed by owner destruction", test );
ok( !IsWindow(owner), "Owner %x not destroyed", owner );
check_parents( test, desktop, owner, owner, owner, test, owner );
DestroyWindow(test);
/* final cleanup */
DestroyWindow(child);
}
static BOOL RegisterWindowClasses(void)
{
WNDCLASSA cls;
cls.style = 0;
cls.lpfnWndProc = DefWindowProcA;
cls.cbClsExtra = 0;
cls.cbWndExtra = 0;
cls.hInstance = GetModuleHandleA(0);
cls.hIcon = 0;
cls.hCursor = LoadCursorA(0, IDC_ARROWA);
cls.hbrBackground = GetStockObject(WHITE_BRUSH);
cls.lpszMenuName = NULL;
cls.lpszClassName = "MainWindowClass";
if(!RegisterClassA(&cls)) return FALSE;
cls.style = 0;
cls.lpfnWndProc = DefWindowProcA;
cls.cbClsExtra = 0;
cls.cbWndExtra = 0;
cls.hInstance = GetModuleHandleA(0);
cls.hIcon = 0;
cls.hCursor = LoadCursorA(0, IDC_ARROWA);
cls.hbrBackground = GetStockObject(WHITE_BRUSH);
cls.lpszMenuName = NULL;
cls.lpszClassName = "ToolWindowClass";
if(!RegisterClassA(&cls)) return FALSE;
return TRUE;
}
START_TEST(win)
{
pGetAncestor = (void *)GetProcAddress( GetModuleHandleA("user32.dll"), "GetAncestor" );
if (!RegisterWindowClasses()) assert(0);
hwndMain = CreateWindowExA(/*WS_EX_TOOLWINDOW*/ 0, "MainWindowClass", "Main window",
WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX |
WS_MAXIMIZEBOX | WS_POPUP,
100, 100, 200, 200,
0, 0, 0, NULL);
hwndMain2 = CreateWindowExA(/*WS_EX_TOOLWINDOW*/ 0, "MainWindowClass", "Main window 2",
WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX |
WS_MAXIMIZEBOX | WS_POPUP,
100, 100, 200, 200,
0, 0, 0, NULL);
assert( hwndMain );
assert( hwndMain2 );
test_parent_owner();
}

2
include/win.h
View File

@ -102,7 +102,7 @@ extern HWND WIN_IsCurrentProcess( HWND hwnd );
extern HWND WIN_IsCurrentThread( HWND hwnd );
extern void WIN_LinkWindow( HWND hwnd, HWND parent, HWND hwndInsertAfter );
extern void WIN_UnlinkWindow( HWND hwnd );
extern void WIN_SetOwner( HWND hwnd, HWND owner );
extern HWND WIN_SetOwner( HWND hwnd, HWND owner );
extern LONG WIN_SetStyle( HWND hwnd, LONG style );
extern LONG WIN_SetExStyle( HWND hwnd, LONG style );
extern void WIN_SetRectangles( HWND hwnd, const RECT *rectWindow, const RECT *rectClient );

3
include/wine/server_protocol.h
View File

@ -2491,6 +2491,7 @@ struct set_window_owner_reply
{
struct reply_header __header;
user_handle_t full_owner;
user_handle_t prev_owner;
};
@ -3210,6 +3211,6 @@ union generic_reply
struct get_window_properties_reply get_window_properties_reply;
};
#define SERVER_PROTOCOL_VERSION 82
#define SERVER_PROTOCOL_VERSION 83
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

1
server/protocol.def
View File

@ -1751,6 +1751,7 @@ enum message_type
user_handle_t owner; /* new owner */
@REPLY
user_handle_t full_owner; /* full handle of new owner */
user_handle_t prev_owner; /* full handle of previous owner */
@END

3
server/trace.c
View File

@ -1993,7 +1993,8 @@ static void dump_set_window_owner_request( const struct set_window_owner_request
static void dump_set_window_owner_reply( const struct set_window_owner_reply *req )
{
fprintf( stderr, " full_owner=%08x", req->full_owner );
fprintf( stderr, " full_owner=%08x,", req->full_owner );
fprintf( stderr, " prev_owner=%08x", req->prev_owner );
}
static void dump_get_window_info_request( const struct get_window_info_request *req )

45
server/window.c
View File

@ -53,7 +53,7 @@ enum property_type
struct window
{
struct window *parent; /* parent window */
struct window *owner; /* owner of this window */
user_handle_t owner; /* owner of this window */
struct window *first_child; /* first child in Z-order */
struct window *last_child; /* last child in Z-order */
struct window *first_unlinked; /* first child not linked in the Z-order list */
@ -110,11 +110,7 @@ static void link_window( struct window *win, struct window *parent, struct windo
if (parent)
{
if (win->parent != parent)
{
win->owner = NULL; /* reset owner if changing parent */
win->parent = parent;
}
win->parent = parent;
if ((win->prev = previous))
{
if ((win->next = previous->next)) win->next->prev = win;
@ -241,16 +237,6 @@ static void destroy_window( struct window *win )
while (win->first_child) destroy_window( win->first_child );
while (win->first_unlinked) destroy_window( win->first_unlinked );
/* reset siblings owner */
if (win->parent)
{
struct window *ptr;
for (ptr = win->parent->first_child; ptr; ptr = ptr->next)
if (ptr->owner == win) ptr->owner = NULL;
for (ptr = win->parent->first_unlinked; ptr; ptr = ptr->next)
if (ptr->owner == win) ptr->owner = NULL;
}
if (win->thread->queue)
{
if (win->paint_count) inc_queue_paint_count( win->thread, -win->paint_count );
@ -276,7 +262,7 @@ static struct window *create_window( struct window *parent, struct window *owner
return NULL;
}
win->parent = parent;
win->owner = owner;
win->owner = owner ? owner->handle : 0;
win->first_child = NULL;
win->last_child = NULL;
win->first_unlinked = NULL;
@ -390,6 +376,7 @@ DECL_HANDLER(create_window)
{
if (!(top_window = create_window( NULL, NULL, req->atom ))) return;
top_window->thread = NULL; /* no thread owns the desktop */
top_window->style = WS_POPUP | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
}
reply->handle = top_window->handle;
}
@ -400,9 +387,9 @@ DECL_HANDLER(create_window)
if (!(parent = get_window( req->parent ))) return;
if (req->owner && !(owner = get_window( req->owner ))) return;
if (owner == top_window) owner = NULL;
else if (owner && owner->parent != parent)
else if (owner && parent != top_window)
{
/* owner must be a sibling of the new window */
/* an owned window must be created as top-level */
set_error( STATUS_ACCESS_DENIED );
return;
}
@ -464,17 +451,17 @@ DECL_HANDLER(destroy_window)
DECL_HANDLER(set_window_owner)
{
struct window *win = get_window( req->handle );
struct window *owner = get_window( req->owner );
struct window *owner = NULL;
if (!win || !owner) return;
if (owner->parent != win->parent)
if (!win) return;
if (req->owner && !(owner = get_window( req->owner ))) return;
if (win == top_window)
{
/* owner has to be a sibling of window */
set_error( STATUS_ACCESS_DENIED );
return;
}
win->owner = owner;
reply->full_owner = owner->handle;
reply->prev_owner = win->owner;
reply->full_owner = win->owner = owner ? owner->handle : 0;
}
@ -502,7 +489,13 @@ DECL_HANDLER(get_window_info)
DECL_HANDLER(set_window_info)
{
struct window *win = get_window( req->handle );
if (!win) return;
if (req->flags && win == top_window)
{
set_error( STATUS_ACCESS_DENIED );
return;
}
reply->old_style = win->style;
reply->old_ex_style = win->ex_style;
reply->old_id = win->id;
@ -578,7 +571,7 @@ DECL_HANDLER(get_window_tree)
{
struct window *parent = win->parent;
reply->parent = parent->handle;
reply->owner = win->owner ? win->owner->handle : 0;
reply->owner = win->owner;
reply->next_sibling = win->next ? win->next->handle : 0;
reply->prev_sibling = win->prev ? win->prev->handle : 0;
reply->first_sibling = parent->first_child ? parent->first_child->handle : 0;

117
windows/win.c
View File

@ -422,11 +422,7 @@ void WIN_LinkWindow( HWND hwnd, HWND parent, HWND hwndInsertAfter )
req->previous = hwndInsertAfter;
if (!wine_server_call( req ))
{
if (reply->full_parent && reply->full_parent != wndPtr->parent)
{
wndPtr->owner = 0; /* reset owner when changing parent */
wndPtr->parent = reply->full_parent;
}
if (reply->full_parent) wndPtr->parent = reply->full_parent;
}
}
@ -440,24 +436,30 @@ void WIN_LinkWindow( HWND hwnd, HWND parent, HWND hwndInsertAfter )
*
* Change the owner of a window.
*/
void WIN_SetOwner( HWND hwnd, HWND owner )
HWND WIN_SetOwner( HWND hwnd, HWND owner )
{
WND *win = WIN_GetPtr( hwnd );
HWND ret = 0;
if (!win) return;
if (!win) return 0;
if (win == WND_OTHER_PROCESS)
{
if (IsWindow(hwnd)) ERR( "cannot set owner %x on other process window %x\n", owner, hwnd );
return;
return 0;
}
SERVER_START_REQ( set_window_owner )
{
req->handle = hwnd;
req->owner = owner;
if (!wine_server_call( req )) win->owner = reply->full_owner;
if (!wine_server_call( req ))
{
win->owner = reply->full_owner;
ret = reply->prev_owner;
}
}
SERVER_END_REQ;
WIN_ReleasePtr( win );
return ret;
}
@ -758,22 +760,17 @@ BOOL WIN_CreateDesktopWindow(void)
pWndDesktop->parent = 0;
pWndDesktop->owner = 0;
pWndDesktop->class = class;
pWndDesktop->hInstance = 0;
pWndDesktop->text = NULL;
pWndDesktop->hmemTaskQ = 0;
pWndDesktop->hrgnUpdate = 0;
pWndDesktop->hwndLastActive = hwndDesktop;
pWndDesktop->dwStyle = 0;
pWndDesktop->dwExStyle = 0;
pWndDesktop->clsStyle = clsStyle;
pWndDesktop->dce = NULL;
pWndDesktop->pVScroll = NULL;
pWndDesktop->pHScroll = NULL;
pWndDesktop->wIDmenu = 0;
pWndDesktop->helpContext = 0;
pWndDesktop->flags = 0;
pWndDesktop->hSysMenu = 0;
pWndDesktop->userdata = 0;
pWndDesktop->winproc = winproc;
pWndDesktop->cbWndExtra = wndExtra;
@ -792,7 +789,19 @@ BOOL WIN_CreateDesktopWindow(void)
SetRect( &rect, 0, 0, cs.cx, cs.cy );
WIN_SetRectangles( hwndDesktop, &rect, &rect );
WIN_SetStyle( hwndDesktop, WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS );
SERVER_START_REQ( set_window_info )
{
req->handle = hwndDesktop;
req->flags = 0; /* don't set anything, just retrieve */
wine_server_call( req );
pWndDesktop->dwStyle = reply->old_style;
pWndDesktop->dwExStyle = reply->old_ex_style;
pWndDesktop->hInstance = (ULONG_PTR)reply->old_instance;
pWndDesktop->userdata = (ULONG_PTR)reply->old_user_data;
pWndDesktop->wIDmenu = reply->old_id;
}
SERVER_END_REQ;
if (!USER_Driver.pCreateWindow( hwndDesktop, &cs, FALSE ))
{
@ -1033,10 +1042,12 @@ static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
WARN("Bad parent %04x\n", cs->hwndParent );
return 0;
}
if (cs->style & WS_CHILD) parent = WIN_GetFullHandle(cs->hwndParent);
else owner = GetAncestor( cs->hwndParent, GA_ROOT );
if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
parent = WIN_GetFullHandle(cs->hwndParent);
else
owner = GetAncestor( cs->hwndParent, GA_ROOT );
}
else if ((cs->style & WS_CHILD) && !(cs->style & WS_POPUP))
else if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
{
WARN("No parent for child window\n" );
return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
@ -1864,7 +1875,12 @@ static LONG WIN_GetWindowLong( HWND hwnd, INT offset, WINDOWPROCTYPE type )
LONG retvalue = 0;
WND *wndPtr;
if (offset == GWL_HWNDPARENT) return (LONG)GetParent( hwnd );
if (offset == GWL_HWNDPARENT)
{
HWND parent = GetAncestor( hwnd, GA_PARENT );
if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
return (LONG)parent;
}
if (!(wndPtr = WIN_GetPtr( hwnd )))
{
@ -1991,6 +2007,12 @@ static LONG WIN_SetWindowLong( HWND hwnd, INT offset, LONG newval,
}
wndPtr = WIN_GetPtr( hwnd );
if (wndPtr->hwndSelf == GetDesktopWindow())
{
/* can't change anything on the desktop window */
SetLastError( ERROR_ACCESS_DENIED );
return 0;
}
if (offset >= 0)
{
@ -2033,8 +2055,16 @@ static LONG WIN_SetWindowLong( HWND hwnd, INT offset, LONG newval,
newval = style.styleNew;
break;
case GWL_HWNDPARENT:
WIN_ReleasePtr( wndPtr );
return (LONG)SetParent( hwnd, (HWND)newval );
if (wndPtr->parent == GetDesktopWindow())
{
WIN_ReleasePtr( wndPtr );
return (LONG)WIN_SetOwner( hwnd, (HWND)newval );
}
else
{
WIN_ReleasePtr( wndPtr );
return (LONG)SetParent( hwnd, (HWND)newval );
}
case GWL_WNDPROC:
retval = (LONG)WINPROC_GetProc( wndPtr->winproc, type );
WINPROC_SetProc( &wndPtr->winproc, (WNDPROC16)newval,
@ -2436,8 +2466,8 @@ HWND WINAPI GetParent( HWND hwnd )
req->handle = hwnd;
if (!wine_server_call_err( req ))
{
if (style & WS_CHILD) retvalue = reply->parent;
else retvalue = reply->owner;
if (style & WS_POPUP) retvalue = reply->owner;
else if (style & WS_CHILD) retvalue = reply->parent;
}
}
SERVER_END_REQ;
@ -2445,8 +2475,8 @@ HWND WINAPI GetParent( HWND hwnd )
}
else
{
if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
else if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
WIN_ReleasePtr( wndPtr );
}
return retvalue;
@ -2461,8 +2491,9 @@ HWND WINAPI GetAncestor( HWND hwnd, UINT type )
WND *win;
HWND *list, ret = 0;
if (type == GA_PARENT)
switch(type)
{
case GA_PARENT:
if (!(win = WIN_GetPtr( hwnd )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
@ -2482,28 +2513,30 @@ HWND WINAPI GetAncestor( HWND hwnd, UINT type )
}
SERVER_END_REQ;
}
return ret;
}
break;
if (!(list = WIN_ListParents( hwnd ))) return 0;
case GA_ROOT:
if (!(list = WIN_ListParents( hwnd ))) return 0;
if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
else
{
int count = 2;
while (list[count]) count++;
ret = list[count - 2]; /* get the one before the desktop */
}
HeapFree( GetProcessHeap(), 0, list );
if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
else
{
int count = 2;
while (list[count]) count++;
ret = list[count - 2]; /* get the one before the desktop */
}
HeapFree( GetProcessHeap(), 0, list );
break;
if (ret && type == GA_ROOTOWNER)
{
case GA_ROOTOWNER:
if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
for (;;)
{
HWND owner = GetWindow( ret, GW_OWNER );
if (!owner) break;
ret = owner;
HWND parent = GetParent( ret );
if (!parent) break;
ret = parent;
}
break;
}
return ret;
}