Sweden-Number/dlls/user/tests/win.c

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/*
* 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 %p expected %p", res, ga_parent );
}
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res = (HWND)GetWindowLongW( hwnd, GWL_HWNDPARENT );
ok( res == gwl_parent, "Wrong result for GWL_HWNDPARENT %p expected %p", res, gwl_parent );
res = GetParent( hwnd );
ok( res == get_parent, "Wrong result for GetParent %p expected %p", res, get_parent );
res = GetWindow( hwnd, GW_OWNER );
ok( res == gw_owner, "Wrong result for GW_OWNER %p expected %p", res, gw_owner );
if (pGetAncestor)
{
res = pGetAncestor( hwnd, GA_ROOT );
ok( res == ga_root, "Wrong result for GA_ROOT %p expected %p", res, ga_root );
res = pGetAncestor( hwnd, GA_ROOTOWNER );
ok( res == ga_root_owner, "Wrong result for GA_ROOTOWNER %p expected %p", 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 %p main2 %p desktop %p child %p\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 %p\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 %p\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 %p\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 %p\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 %p\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 %p\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 %p\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 %p\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 %p\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 %p\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 %p\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 %p\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 );
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ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, (LONG_PTR)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 %p\n", test );
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ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, (LONG_PTR)hwndMain2 );
ok( ret == hwndMain, "GWL_HWNDPARENT return value %p expected %p", ret, hwndMain );
check_parents( test, hwndMain2, hwndMain2, hwndMain2, 0, hwndMain2, hwndMain2 );
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ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, (LONG_PTR)child );
ok( ret == hwndMain2, "GWL_HWNDPARENT return value %p expected %p", ret, hwndMain2 );
check_parents( test, child, child, child, 0, hwndMain, hwndMain );
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ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, (LONG_PTR)desktop );
ok( ret == child, "GWL_HWNDPARENT return value %p expected %p", 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 */
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ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, (LONG_PTR)child );
ok( ret == 0, "GWL_HWNDPARENT return value %p expected 0", ret );
check_parents( test, desktop, child, desktop, child, test, desktop );
ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, 0 );
ok( ret == child, "GWL_HWNDPARENT return value %p expected %p", 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 %p\n", test );
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ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, (LONG_PTR)hwndMain2 );
ok( ret == 0, "GWL_HWNDPARENT return value %p expected 0", ret );
check_parents( test, desktop, hwndMain2, 0, hwndMain2, test, test );
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ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, (LONG_PTR)child );
ok( ret == hwndMain2, "GWL_HWNDPARENT return value %p expected %p", 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 %p expected %p", 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 %p\n", test );
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ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, (LONG_PTR)hwndMain2 );
ok( ret == 0, "GWL_HWNDPARENT return value %p expected 0", ret );
check_parents( test, desktop, hwndMain2, hwndMain2, hwndMain2, test, hwndMain2 );
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ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, (LONG_PTR)child );
ok( ret == hwndMain2, "GWL_HWNDPARENT return value %p expected %p", 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 %p expected %p", 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 %p\n", test );
ret = SetParent( test, desktop );
ok( ret == hwndMain, "SetParent return value %p expected %p", ret, hwndMain );
check_parents( test, desktop, 0, desktop, 0, test, desktop );
ret = SetParent( test, child );
ok( ret == desktop, "SetParent return value %p expected %p", ret, desktop );
check_parents( test, child, child, child, 0, hwndMain, hwndMain );
ret = SetParent( test, hwndMain2 );
ok( ret == child, "SetParent return value %p expected %p", 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 %p\n", test );
ret = SetParent( test, child );
ok( ret == desktop, "SetParent return value %p expected %p", 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 %p\n", test );
ret = SetParent( test, child );
ok( ret == desktop, "SetParent return value %p expected %p", ret, desktop );
check_parents( test, child, child, hwndMain2, hwndMain2, hwndMain, hwndMain2 );
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ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, (ULONG_PTR)hwndMain );
ok( ret == child, "GWL_HWNDPARENT return value %p expected %p", 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 %p and popup %p\n", owner, test );
ret = SetParent( test, child );
ok( ret == desktop, "SetParent return value %p expected %p", 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 %p destroyed by owner destruction", test );
check_parents( test, child, child, owner, owner, hwndMain, owner );
ok( !IsWindow(owner), "Owner %p 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 %p and popup %p\n", owner, test );
check_parents( test, desktop, owner, owner, owner, test, owner );
DestroyWindow( owner );
ok( !IsWindow(test), "Window %p 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 %p and popup %p\n", owner, test );
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ret = (HWND)SetWindowLongW( test, GWL_HWNDPARENT, (ULONG_PTR)owner );
ok( ret == 0, "GWL_HWNDPARENT return value %p expected 0", ret );
check_parents( test, desktop, owner, owner, owner, test, hwndMain2 );
DestroyWindow( owner );
ok( IsWindow(test), "Window %p destroyed by owner destruction", test );
ok( !IsWindow(owner), "Owner %p 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();
}