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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wine/winbase16.h"
#include "wine/winuser16.h"
#include "wownt32.h"
#include "wine/server.h"
#include "wine/unicode.h"
#include "win.h"
#include "user_private.h"
#include "dce.h"
#include "controls.h"
#include "cursoricon.h"
#include "message.h"
#include "winpos.h"
#include "winerror.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(win);
WINE_DECLARE_DEBUG_CHANNEL(msg);
#define NB_USER_HANDLES ((LAST_USER_HANDLE - FIRST_USER_HANDLE + 1) >> 1)
#define USER_HANDLE_TO_INDEX(hwnd) ((LOWORD(hwnd) - FIRST_USER_HANDLE) >> 1)
/**********************************************************************/
/* Desktop window */
static WND *pWndDesktop = NULL;
static WORD wDragWidth = 4;
static WORD wDragHeight= 3;
static void *user_handles[NB_USER_HANDLES];
/***********************************************************************
* create_window_handle
*
* Create a window handle with the server.
*/
static WND *create_window_handle( HWND parent, HWND owner, ATOM atom,
HINSTANCE instance, WINDOWPROCTYPE type )
{
WORD index;
WND *win;
struct tagCLASS *class = NULL;
user_handle_t handle = 0;
int extra_bytes = 0;
/* if 16-bit instance, map to module handle */
if (instance && !HIWORD(instance))
instance = HINSTANCE_32(GetExePtr(HINSTANCE_16(instance)));
SERVER_START_REQ( create_window )
{
req->parent = parent;
req->owner = owner;
req->atom = atom;
req->instance = instance;
if (!wine_server_call_err( req ))
{
handle = reply->handle;
extra_bytes = reply->extra;
class = reply->class_ptr;
}
}
SERVER_END_REQ;
if (!handle)
{
WARN( "error %ld creating window\n", GetLastError() );
return NULL;
}
if (!(win = HeapAlloc( GetProcessHeap(), 0, sizeof(WND) + extra_bytes - sizeof(win->wExtra) )))
{
SERVER_START_REQ( destroy_window )
{
req->handle = handle;
wine_server_call( req );
}
SERVER_END_REQ;
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return NULL;
}
USER_Lock();
index = USER_HANDLE_TO_INDEX(handle);
assert( index < NB_USER_HANDLES );
user_handles[index] = win;
win->hwndSelf = handle;
win->dwMagic = WND_MAGIC;
win->irefCount = 1;
win->cbWndExtra = extra_bytes;
memset( win->wExtra, 0, extra_bytes );
CLASS_AddWindow( class, win, type );
return win;
}
/***********************************************************************
* free_window_handle
*
* Free a window handle.
*/
static WND *free_window_handle( HWND hwnd )
{
WND *ptr;
WORD index = USER_HANDLE_TO_INDEX(hwnd);
if (index >= NB_USER_HANDLES) return NULL;
USER_Lock();
if ((ptr = user_handles[index]))
{
SERVER_START_REQ( destroy_window )
{
req->handle = hwnd;
if (!wine_server_call_err( req ))
user_handles[index] = NULL;
else
ptr = NULL;
}
SERVER_END_REQ;
}
USER_Unlock();
HeapFree( GetProcessHeap(), 0, ptr );
return ptr;
}
/*******************************************************************
* 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.
*/
static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid )
{
HWND *list;
int size = 32;
for (;;)
{
int count = 0;
if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
SERVER_START_REQ( get_window_children )
{
req->parent = hwnd;
req->atom = atom;
req->tid = tid;
wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
if (!wine_server_call( req )) count = reply->count;
}
SERVER_END_REQ;
if (count && count < size)
{
list[count] = 0;
return list;
}
HeapFree( GetProcessHeap(), 0, list );
if (!count) break;
size = count + 1; /* restart with a large enough buffer */
}
return NULL;
}
/*******************************************************************
* list_window_parents
*
* Build an array of all parents of a given window, starting with
* the immediate parent. The array must be freed with HeapFree.
* Returns NULL if window is a top-level window.
*/
static HWND *list_window_parents( HWND hwnd )
{
WND *win;
HWND current, *list;
int pos = 0, size = 16, count = 0;
if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
current = hwnd;
for (;;)
{
if (!(win = WIN_GetPtr( current ))) goto empty;
if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
list[pos] = win->parent;
WIN_ReleasePtr( win );
if (!(current = list[pos]))
{
if (!pos) goto empty;
return list;
}
if (++pos == size - 1)
{
/* need to grow the list */
HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, 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 = hwnd;
wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
if (!wine_server_call( req )) count = reply->count;
}
SERVER_END_REQ;
if (!count) goto empty;
if (size > count)
{
list[count] = 0;
return list;
}
HeapFree( GetProcessHeap(), 0, list );
size = count + 1;
if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
}
empty:
HeapFree( GetProcessHeap(), 0, list );
return NULL;
}
/*******************************************************************
* send_parent_notify
*/
static void send_parent_notify( HWND hwnd, UINT msg )
{
if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD &&
!(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY))
SendMessageW( GetParent(hwnd), WM_PARENTNOTIFY,
MAKEWPARAM( msg, GetWindowLongPtrW( hwnd, GWLP_ID )), (LPARAM)hwnd );
}
/*******************************************************************
* get_server_window_text
*
* Retrieve the window text from the server.
*/
static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
{
size_t len = 0;
SERVER_START_REQ( get_window_text )
{
req->handle = hwnd;
wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
}
SERVER_END_REQ;
text[len / sizeof(WCHAR)] = 0;
}
/***********************************************************************
* WIN_GetPtr
*
* 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 *WIN_GetPtr( HWND hwnd )
{
WND * ptr;
WORD index = USER_HANDLE_TO_INDEX(hwnd);
if (index >= NB_USER_HANDLES) return NULL;
USER_Lock();
if ((ptr = user_handles[index]))
{
if (ptr->dwMagic == WND_MAGIC && (!HIWORD(hwnd) || hwnd == ptr->hwndSelf))
return ptr;
ptr = NULL;
}
else ptr = WND_OTHER_PROCESS;
USER_Unlock();
return ptr;
}
/***********************************************************************
* WIN_IsCurrentProcess
*
* Check whether a given window belongs to the current process (and return the full handle).
*/
HWND WIN_IsCurrentProcess( HWND hwnd )
{
WND *ptr;
HWND ret;
if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS) return 0;
ret = ptr->hwndSelf;
WIN_ReleasePtr( ptr );
return ret;
}
/***********************************************************************
* WIN_IsCurrentThread
*
* Check whether a given window belongs to the current thread (and return the full handle).
*/
HWND WIN_IsCurrentThread( HWND hwnd )
{
WND *ptr;
HWND ret = 0;
if ((ptr = WIN_GetPtr( hwnd )) && ptr != WND_OTHER_PROCESS)
{
if (ptr->tid == GetCurrentThreadId()) ret = ptr->hwndSelf;
WIN_ReleasePtr( ptr );
}
return ret;
}
/***********************************************************************
* WIN_Handle32
*
* Convert a 16-bit window handle to a full 32-bit handle.
*/
HWND WIN_Handle32( HWND16 hwnd16 )
{
WND *ptr;
HWND hwnd = (HWND)(ULONG_PTR)hwnd16;
if (hwnd16 <= 1 || hwnd16 == 0xffff) return hwnd;
/* do sign extension for -2 and -3 */
if (hwnd16 >= (HWND16)-3) return (HWND)(LONG_PTR)(INT16)hwnd16;
if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
if (ptr != WND_OTHER_PROCESS)
{
hwnd = ptr->hwndSelf;
WIN_ReleasePtr( ptr );
}
else /* may belong to another process */
{
SERVER_START_REQ( get_window_info )
{
req->handle = hwnd;
if (!wine_server_call_err( req )) hwnd = reply->full_handle;
}
SERVER_END_REQ;
}
return hwnd;
}
/***********************************************************************
* WIN_FindWndPtr
*
* Return a pointer to the WND structure corresponding to a HWND.
*/
WND * WIN_FindWndPtr( HWND hwnd )
{
WND * ptr;
if (!hwnd) return NULL;
if ((ptr = WIN_GetPtr( hwnd )))
{
if (ptr != WND_OTHER_PROCESS)
{
/* increment destruction monitoring */
ptr->irefCount++;
return ptr;
}
if (IsWindow( hwnd )) /* check other processes */
{
ERR( "window %p belongs to other process\n", hwnd );
/* DbgBreakPoint(); */
}
}
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return NULL;
}
/***********************************************************************
* WIN_ReleaseWndPtr
*
* Release the pointer to the WND structure.
*/
void WIN_ReleaseWndPtr(WND *wndPtr)
{
if(!wndPtr) return;
/* Decrement destruction monitoring value */
wndPtr->irefCount--;
/* Check if it's time to release the memory */
if(wndPtr->irefCount == 0 && !wndPtr->dwMagic)
{
/* Release memory */
free_window_handle( wndPtr->hwndSelf );
}
else if(wndPtr->irefCount < 0)
{
/* This else if is useful to monitor the WIN_ReleaseWndPtr function */
ERR("forgot a Lock on %p somewhere\n",wndPtr);
}
/* unlock all WND structures for thread safeness */
USER_Unlock();
}
/***********************************************************************
* WIN_UnlinkWindow
*
* Remove a window from the siblings linked list.
*/
void WIN_UnlinkWindow( HWND hwnd )
{
WIN_LinkWindow( hwnd, 0, 0 );
}
/***********************************************************************
* WIN_LinkWindow
*
* Insert a window into the siblings linked list.
* The window is inserted after the specified window, which can also
* be specified as HWND_TOP or HWND_BOTTOM.
* If parent is 0, window is unlinked from the tree.
*/
void WIN_LinkWindow( HWND hwnd, HWND parent, HWND hwndInsertAfter )
{
WND *wndPtr = WIN_GetPtr( hwnd );
if (!wndPtr) return;
if (wndPtr == WND_OTHER_PROCESS)
{
if (IsWindow(hwnd)) ERR(" cannot link other process window %p\n", hwnd );
return;
}
SERVER_START_REQ( link_window )
{
req->handle = hwnd;
req->parent = parent;
req->previous = hwndInsertAfter;
if (!wine_server_call( req ))
{
if (reply->full_parent) wndPtr->parent = reply->full_parent;
}
}
SERVER_END_REQ;
WIN_ReleasePtr( wndPtr );
}
/***********************************************************************
* WIN_SetOwner
*
* Change the owner of a window.
*/
HWND WIN_SetOwner( HWND hwnd, HWND owner )
{
WND *win = WIN_GetPtr( hwnd );
HWND ret = 0;
if (!win) return 0;
if (win == WND_OTHER_PROCESS)
{
if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
return 0;
}
SERVER_START_REQ( set_window_owner )
{
req->handle = hwnd;
req->owner = owner;
if (!wine_server_call( req ))
{
win->owner = reply->full_owner;
ret = reply->prev_owner;
}
}
SERVER_END_REQ;
WIN_ReleasePtr( win );
return ret;
}
/***********************************************************************
* WIN_SetStyle
*
* Change the style of a window.
*/
ULONG WIN_SetStyle( HWND hwnd, ULONG set_bits, ULONG clear_bits )
{
BOOL ok;
ULONG new_style, old_style = 0;
WND *win = WIN_GetPtr( hwnd );
if (!win) return 0;
if (win == WND_OTHER_PROCESS)
{
if (IsWindow(hwnd))
ERR( "cannot set style %lx/%lx on other process window %p\n",
set_bits, clear_bits, hwnd );
return 0;
}
new_style = (win->dwStyle | set_bits) & ~clear_bits;
if (new_style == win->dwStyle)
{
WIN_ReleasePtr( win );
return new_style;
}
SERVER_START_REQ( set_window_info )
{
req->handle = hwnd;
req->flags = SET_WIN_STYLE;
req->style = new_style;
req->extra_offset = -1;
if ((ok = !wine_server_call( req )))
{
old_style = reply->old_style;
win->dwStyle = new_style;
}
}
SERVER_END_REQ;
WIN_ReleasePtr( win );
if (ok && USER_Driver.pSetWindowStyle) USER_Driver.pSetWindowStyle( hwnd, old_style );
return old_style;
}
/***********************************************************************
* WIN_GetRectangles
*
* Get the window and client rectangles.
*/
BOOL WIN_GetRectangles( HWND hwnd, RECT *rectWindow, RECT *rectClient )
{
WND *win = WIN_GetPtr( hwnd );
BOOL ret = TRUE;
if (!win) return FALSE;
if (win == WND_OTHER_PROCESS)
{
SERVER_START_REQ( get_window_rectangles )
{
req->handle = hwnd;
if ((ret = !wine_server_call( req )))
{
if (rectWindow)
{
rectWindow->left = reply->window.left;
rectWindow->top = reply->window.top;
rectWindow->right = reply->window.right;
rectWindow->bottom = reply->window.bottom;
}
if (rectClient)
{
rectClient->left = reply->client.left;
rectClient->top = reply->client.top;
rectClient->right = reply->client.right;
rectClient->bottom = reply->client.bottom;
}
}
}
SERVER_END_REQ;
}
else
{
if (rectWindow) *rectWindow = win->rectWindow;
if (rectClient) *rectClient = win->rectClient;
WIN_ReleasePtr( win );
}
return ret;
}
/***********************************************************************
* WIN_ReleaseCapture
*
* Internal version of ReleaseCapture which doesn't send WM_CAPTURECHANGED
* message. Used at the window destruction time.
*/
static void WIN_ReleaseCapture( void )
{
SERVER_START_REQ( set_capture_window )
{
req->handle = 0;
req->flags = 0;
wine_server_call_err( req );
}
SERVER_END_REQ;
}
/***********************************************************************
* WIN_DestroyWindow
*
* Destroy storage associated to a window. "Internals" p.358
*/
LRESULT WIN_DestroyWindow( HWND hwnd )
{
WND *wndPtr;
HWND *list;
TRACE("%p\n", hwnd );
if (!(hwnd = WIN_IsCurrentThread( hwnd )))
{
ERR( "window doesn't belong to current thread\n" );
return 0;
}
/* free child windows */
if ((list = WIN_ListChildren( hwnd )))
{
int i;
for (i = 0; list[i]; i++)
{
if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
}
HeapFree( GetProcessHeap(), 0, list );
}
/*
* Clear the update region to make sure no WM_PAINT messages will be
* generated for this window while processing the WM_NCDESTROY.
*/
RedrawWindow( hwnd, NULL, 0,
RDW_VALIDATE | RDW_NOFRAME | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_NOCHILDREN);
if (hwnd == GetCapture()) WIN_ReleaseCapture();
/* Unlink now so we won't bother with the children later on */
WIN_UnlinkWindow( hwnd );
/*
* Send the WM_NCDESTROY to the window being destroyed.
*/
SendMessageW( hwnd, WM_NCDESTROY, 0, 0 );
/* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
WINPOS_CheckInternalPos( hwnd );
/* free resources associated with the window */
if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0;
if (!(wndPtr->dwStyle & WS_CHILD))
{
HMENU menu = (HMENU)SetWindowLongPtrW( hwnd, GWLP_ID, 0 );
if (menu) DestroyMenu( menu );
}
if (wndPtr->hSysMenu)
{
DestroyMenu( wndPtr->hSysMenu );
wndPtr->hSysMenu = 0;
}
DCE_FreeWindowDCE( hwnd ); /* Always do this to catch orphaned DCs */
if (USER_Driver.pDestroyWindow) USER_Driver.pDestroyWindow( hwnd );
wndPtr->class = NULL;
wndPtr->dwMagic = 0; /* Mark it as invalid */
WIN_ReleaseWndPtr( wndPtr );
return 0;
}
/***********************************************************************
* WIN_DestroyThreadWindows
*
* Destroy all children of 'wnd' owned by the current thread.
* Return TRUE if something was done.
*/
void WIN_DestroyThreadWindows( HWND hwnd )
{
HWND *list;
int i;
if (!(list = WIN_ListChildren( hwnd ))) return;
for (i = 0; list[i]; i++)
{
if (WIN_IsCurrentThread( list[i] ))
DestroyWindow( list[i] );
else
WIN_DestroyThreadWindows( list[i] );
}
HeapFree( GetProcessHeap(), 0, list );
}
/***********************************************************************
* WIN_CreateDesktopWindow
*
* Create the desktop window.
*/
BOOL WIN_CreateDesktopWindow(void)
{
HWND hwndDesktop;
CREATESTRUCTA cs;
TRACE("Creating desktop window\n");
if (!WINPOS_CreateInternalPosAtom()) return FALSE;
pWndDesktop = create_window_handle( 0, 0, LOWORD(DESKTOP_CLASS_ATOM), 0, WIN_PROC_32W );
if (!pWndDesktop) return FALSE;
hwndDesktop = pWndDesktop->hwndSelf;
pWndDesktop->tid = 0; /* nobody owns the desktop */
pWndDesktop->parent = 0;
pWndDesktop->owner = 0;
pWndDesktop->text = NULL;
pWndDesktop->pVScroll = NULL;
pWndDesktop->pHScroll = NULL;
pWndDesktop->helpContext = 0;
pWndDesktop->flags = 0;
pWndDesktop->hSysMenu = 0;
cs.lpCreateParams = NULL;
cs.hInstance = 0;
cs.hMenu = 0;
cs.hwndParent = 0;
cs.x = 0;
cs.y = 0;
cs.cx = GetSystemMetrics( SM_CXSCREEN );
cs.cy = GetSystemMetrics( SM_CYSCREEN );
cs.style = pWndDesktop->dwStyle;
cs.dwExStyle = pWndDesktop->dwExStyle;
cs.lpszName = NULL;
cs.lpszClass = DESKTOP_CLASS_ATOM;
SERVER_START_REQ( set_window_info )
{
req->handle = hwndDesktop;
req->flags = 0; /* don't set anything, just retrieve */
req->extra_offset = -1;
wine_server_call( req );
pWndDesktop->dwStyle = reply->old_style;
pWndDesktop->dwExStyle = reply->old_ex_style;
pWndDesktop->hInstance = (HINSTANCE)reply->old_instance;
pWndDesktop->userdata = (ULONG_PTR)reply->old_user_data;
pWndDesktop->wIDmenu = reply->old_id;
}
SERVER_END_REQ;
if (!USER_Driver.pCreateWindow || !USER_Driver.pCreateWindow( hwndDesktop, &cs, FALSE ))
{
WIN_ReleaseWndPtr( pWndDesktop );
return FALSE;
}
WIN_ReleaseWndPtr( pWndDesktop );
return TRUE;
}
/***********************************************************************
* WIN_FixCoordinates
*
* Fix the coordinates - Helper for WIN_CreateWindowEx.
* returns default show mode in sw.
* Note: the feature presented as undocumented *is* in the MSDN since 1993.
*/
static void WIN_FixCoordinates( CREATESTRUCTA *cs, INT *sw)
{
POINT pos[2];
if (cs->dwExStyle & WS_EX_MDICHILD)
{
UINT id = 0;
MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0, &id);
if (!(cs->style & WS_POPUP)) cs->hMenu = (HMENU)id;
TRACE("MDI child id %04x\n", id);
}
if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16 ||
cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
{
if (cs->style & (WS_CHILD | WS_POPUP))
{
if (cs->dwExStyle & WS_EX_MDICHILD)
{
if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
{
cs->x = pos[0].x;
cs->y = pos[0].y;
}
if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16 || !cs->cx)
cs->cx = pos[1].x;
if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16 || !cs->cy)
cs->cy = pos[1].y;
}
else
{
if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
cs->x = cs->y = 0;
if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
cs->cx = cs->cy = 0;
}
}
else /* overlapped window */
{
STARTUPINFOW info;
GetStartupInfoW( &info );
if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
{
/* Never believe Microsoft's documentation... CreateWindowEx doc says
* that if an overlapped window is created with WS_VISIBLE style bit
* set and the x parameter is set to CW_USEDEFAULT, the system ignores
* the y parameter. However, disassembling NT implementation (WIN32K.SYS)
* reveals that
*
* 1) not only it checks for CW_USEDEFAULT but also for CW_USEDEFAULT16
* 2) it does not ignore the y parameter as the docs claim; instead, it
* uses it as second parameter to ShowWindow() unless y is either
* CW_USEDEFAULT or CW_USEDEFAULT16.
*
* The fact that we didn't do 2) caused bogus windows pop up when wine
* was running apps that were using this obscure feature. Example -
* calc.exe that comes with Win98 (only Win98, it's different from
* the one that comes with Win95 and NT)
*/
if (cs->y != CW_USEDEFAULT && cs->y != CW_USEDEFAULT16) *sw = cs->y;
cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : 0;
cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : 0;
}
if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
{
if (info.dwFlags & STARTF_USESIZE)
{
cs->cx = info.dwXSize;
cs->cy = info.dwYSize;
}
else /* if no other hint from the app, pick 3/4 of the screen real estate */
{
RECT r;
SystemParametersInfoW( SPI_GETWORKAREA, 0, &r, 0);
cs->cx = (((r.right - r.left) * 3) / 4) - cs->x;
cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
}
}
/* Handle case where only the cy values is set to default */
else if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16)
{
RECT r;
SystemParametersInfoW( SPI_GETWORKAREA, 0, &r, 0);
cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
}
}
}
else
{
/* 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.
*/
if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16) {
RECT r;
FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
SystemParametersInfoW( SPI_GETWORKAREA, 0, &r, 0);
cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
}
}
}
/***********************************************************************
* dump_window_styles
*/
static void dump_window_styles( DWORD style, DWORD exstyle )
{
TRACE( "style:" );
if(style & WS_POPUP) TRACE(" WS_POPUP");
if(style & WS_CHILD) TRACE(" WS_CHILD");
if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
if(style & WS_DISABLED) TRACE(" WS_DISABLED");
if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
else
{
if(style & WS_BORDER) TRACE(" WS_BORDER");
if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
}
if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
if(style & WS_GROUP) TRACE(" WS_GROUP");
if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
/* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
#define DUMPED_STYLES \
(WS_POPUP | \
WS_CHILD | \
WS_MINIMIZE | \
WS_VISIBLE | \
WS_DISABLED | \
WS_CLIPSIBLINGS | \
WS_CLIPCHILDREN | \
WS_MAXIMIZE | \
WS_BORDER | \
WS_DLGFRAME | \
WS_VSCROLL | \
WS_HSCROLL | \
WS_SYSMENU | \
WS_THICKFRAME | \
WS_GROUP | \
WS_TABSTOP | \
WS_MINIMIZEBOX | \
WS_MAXIMIZEBOX)
if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
TRACE("\n");
#undef DUMPED_STYLES
TRACE( "exstyle:" );
if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
#define DUMPED_EX_STYLES \
(WS_EX_DLGMODALFRAME | \
WS_EX_DRAGDETECT | \
WS_EX_NOPARENTNOTIFY | \
WS_EX_TOPMOST | \
WS_EX_ACCEPTFILES | \
WS_EX_TRANSPARENT | \
WS_EX_MDICHILD | \
WS_EX_TOOLWINDOW | \
WS_EX_WINDOWEDGE | \
WS_EX_CLIENTEDGE | \
WS_EX_CONTEXTHELP | \
WS_EX_RIGHT | \
WS_EX_RTLREADING | \
WS_EX_LEFTSCROLLBAR | \
WS_EX_CONTROLPARENT | \
WS_EX_STATICEDGE | \
WS_EX_APPWINDOW | \
WS_EX_LAYERED)
if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
TRACE("\n");
#undef DUMPED_EX_STYLES
}
/***********************************************************************
* WIN_CreateWindowEx
*
* Implementation of CreateWindowEx().
*/
static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
WINDOWPROCTYPE type )
{
INT sw = SW_SHOW;
WND *wndPtr;
HWND hwnd, parent, owner, top_child = 0;
BOOL unicode = (type == WIN_PROC_32W);
TRACE("%s %s ex=%08lx style=%08lx %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
(type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszName) : debugstr_a(cs->lpszName),
(type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszClass) : debugstr_a(cs->lpszClass),
cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
TRACE("winproc type is %d (%s)\n", type, (type == WIN_PROC_16) ? "WIN_PROC_16" :
((type == WIN_PROC_32A) ? "WIN_PROC_32A" : "WIN_PROC_32W") );
/* Fix the styles for MDI children */
if (cs->dwExStyle & WS_EX_MDICHILD)
{
MDICREATESTRUCTA mdi_cs;
UINT flags = 0;
wndPtr = WIN_GetPtr(cs->hwndParent);
if (wndPtr && wndPtr != WND_OTHER_PROCESS)
{
flags = wndPtr->flags;
WIN_ReleasePtr(wndPtr);
}
if (!(flags & WIN_ISMDICLIENT))
{
WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
return 0;
}
/* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
* MDICREATESTRUCT members have the originally passed values.
*
* Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
* have the same layout.
*/
mdi_cs.szClass = cs->lpszClass;
mdi_cs.szTitle = cs->lpszName;
mdi_cs.hOwner = cs->hInstance;
mdi_cs.x = cs->x;
mdi_cs.y = cs->y;
mdi_cs.cx = cs->cx;
mdi_cs.cy = cs->cy;
mdi_cs.style = cs->style;
mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
cs->lpCreateParams = (LPVOID)&mdi_cs;
if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
{
if (cs->style & WS_POPUP)
{
TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
return 0;
}
cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
}
else
{
cs->style &= ~WS_POPUP;
cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION |
WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
}
top_child = GetWindow(cs->hwndParent, GW_CHILD);
if (top_child)
{
/* Restore current maximized child */
if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
{
TRACE("Restoring current maximized child %p\n", top_child);
SendMessageW( top_child, WM_SETREDRAW, FALSE, 0 );
ShowWindow(top_child, SW_RESTORE);
SendMessageW( top_child, WM_SETREDRAW, TRUE, 0 );
}
}
}
/* Find the parent window */
parent = GetDesktopWindow();
owner = 0;
if (cs->hwndParent == HWND_MESSAGE)
{
/* native ole32.OleInitialize uses HWND_MESSAGE to create the
* message window (style: WS_POPUP|WS_DISABLED)
*/
FIXME("Parent is HWND_MESSAGE\n");
}
else if (cs->hwndParent)
{
/* Make sure parent is valid */
if (!IsWindow( cs->hwndParent ))
{
WARN("Bad parent %p\n", cs->hwndParent );
return 0;
}
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|WS_POPUP)) == WS_CHILD)
{
WARN("No parent for child window\n" );
return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
}
WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
/* Correct the window styles.
*
* It affects both the style loaded into the WIN structure and
* passed in the CREATESTRUCT to the WM_[NC]CREATE.
*
* WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
* why does the user get to set it?
*/
/* This has been tested for WS_CHILD | WS_VISIBLE. It has not been
* tested for WS_POPUP
*/
if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
(cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
cs->dwExStyle |= WS_EX_WINDOWEDGE;
else
cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
if (!(cs->style & WS_CHILD))
{
cs->style |= WS_CLIPSIBLINGS;
if (!(cs->style & WS_POPUP))
cs->style |= WS_CAPTION;
}
/* Create the window structure */
if (!(wndPtr = create_window_handle( parent, owner, classAtom, cs->hInstance, type )))
{
TRACE("out of memory\n" );
return 0;
}
hwnd = wndPtr->hwndSelf;
/* Fill the window structure */
wndPtr->tid = GetCurrentThreadId();
wndPtr->owner = owner;
wndPtr->parent = parent;
wndPtr->hInstance = cs->hInstance;
wndPtr->text = NULL;
wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
wndPtr->dwExStyle = cs->dwExStyle;
wndPtr->wIDmenu = 0;
wndPtr->helpContext = 0;
wndPtr->flags = (type == WIN_PROC_16) ? 0 : WIN_ISWIN32;
wndPtr->pVScroll = NULL;
wndPtr->pHScroll = NULL;
wndPtr->userdata = 0;
wndPtr->hIcon = 0;
wndPtr->hIconSmall = 0;
wndPtr->hSysMenu = (wndPtr->dwStyle & WS_SYSMENU) ? MENU_GetSysMenu( hwnd, 0 ) : 0;
if (!(cs->style & (WS_CHILD | WS_POPUP)))
wndPtr->flags |= WIN_NEED_SIZE;
SERVER_START_REQ( set_window_info )
{
req->handle = hwnd;
req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE;
req->style = wndPtr->dwStyle;
req->ex_style = wndPtr->dwExStyle;
req->instance = (void *)wndPtr->hInstance;
req->extra_offset = -1;
wine_server_call( req );
}
SERVER_END_REQ;
/* Get class or window DC if needed */
if (wndPtr->clsStyle & CS_OWNDC) wndPtr->dce = DCE_AllocDCE(hwnd,DCE_WINDOW_DC);
/* Set the window menu */
if (((wndPtr->dwStyle & (WS_CAPTION|WS_CHILD)) == WS_CAPTION) ||
(wndPtr->dwExStyle & WS_EX_APPWINDOW))
{
if (cs->hMenu) MENU_SetMenu(hwnd, cs->hMenu);
else
{
LPCSTR menuName = (LPCSTR)GetClassLongPtrA( hwnd, GCLP_MENUNAME );
if (menuName)
{
if (HIWORD(cs->hInstance))
cs->hMenu = LoadMenuA(cs->hInstance,menuName);
else
cs->hMenu = HMENU_32(LoadMenu16(HINSTANCE_16(cs->hInstance),menuName));
if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
}
}
}
else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu );
WIN_ReleaseWndPtr( wndPtr );
if (!USER_Driver.pCreateWindow || !USER_Driver.pCreateWindow( hwnd, cs, unicode))
{
WIN_DestroyWindow( hwnd );
return 0;
}
/* Notify the parent window only */
send_parent_notify( hwnd, WM_CREATE );
if (!IsWindow( hwnd )) return 0;
if (cs->style & WS_VISIBLE)
{
if (cs->style & WS_MAXIMIZE)
sw = SW_SHOWMAXIMIZED;
else if (cs->style & WS_MINIMIZE)
sw = SW_SHOWMINIMIZED;
ShowWindow( hwnd, sw );
if (cs->dwExStyle & WS_EX_MDICHILD)
{
SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0);
/* ShowWindow won't activate child windows */
SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
}
}
/* Call WH_SHELL hook */
if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
TRACE("created window %p\n", hwnd);
return hwnd;
}
/***********************************************************************
* CreateWindow (USER.41)
*/
HWND16 WINAPI CreateWindow16( LPCSTR className, LPCSTR windowName,
DWORD style, INT16 x, INT16 y, INT16 width,
INT16 height, HWND16 parent, HMENU16 menu,
HINSTANCE16 instance, LPVOID data )
{
return CreateWindowEx16( 0, className, windowName, style,
x, y, width, height, parent, menu, instance, data );
}
/***********************************************************************
* CreateWindowEx (USER.452)
*/
HWND16 WINAPI CreateWindowEx16( DWORD exStyle, LPCSTR className,
LPCSTR windowName, DWORD style, INT16 x,
INT16 y, INT16 width, INT16 height,
HWND16 parent, HMENU16 menu,
HINSTANCE16 instance, LPVOID data )
{
ATOM classAtom;
CREATESTRUCTA cs;
char buffer[256];
/* Find the class atom */
if (HIWORD(className))
{
if (!(classAtom = GlobalFindAtomA( className )))
{
ERR( "bad class name %s\n", debugstr_a(className) );
return 0;
}
}
else
{
classAtom = LOWORD(className);
if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
{
ERR( "bad atom %x\n", classAtom);
return 0;
}
className = buffer;
}
/* Fix the coordinates */
cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)x;
cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)y;
cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)width;
cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)height;
/* Create the window */
cs.lpCreateParams = data;
cs.hInstance = HINSTANCE_32(instance);
cs.hMenu = HMENU_32(menu);
cs.hwndParent = WIN_Handle32( parent );
cs.style = style;
cs.lpszName = windowName;
cs.lpszClass = className;
cs.dwExStyle = exStyle;
return HWND_16( WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_16 ));
}
/***********************************************************************
* CreateWindowExA (USER32.@)
*/
HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
LPCSTR windowName, DWORD style, INT x,
INT y, INT width, INT height,
HWND parent, HMENU menu,
HINSTANCE instance, LPVOID data )
{
ATOM classAtom;
CREATESTRUCTA cs;
char buffer[256];
/* Find the class atom */
if (HIWORD(className))
{
if (!(classAtom = GlobalFindAtomA( className )))
{
ERR( "bad class name %s\n", debugstr_a(className) );
return 0;
}
}
else
{
classAtom = LOWORD(className);
if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
{
ERR( "bad atom %x\n", classAtom);
return 0;
}
className = buffer;
}
/* Create the window */
cs.lpCreateParams = data;
cs.hInstance = instance;
cs.hMenu = menu;
cs.hwndParent = parent;
cs.x = x;
cs.y = y;
cs.cx = width;
cs.cy = height;
cs.style = style;
cs.lpszName = windowName;
cs.lpszClass = className;
cs.dwExStyle = exStyle;
return WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_32A );
}
/***********************************************************************
* CreateWindowExW (USER32.@)
*/
HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
LPCWSTR windowName, DWORD style, INT x,
INT y, INT width, INT height,
HWND parent, HMENU menu,
HINSTANCE instance, LPVOID data )
{
ATOM classAtom;
CREATESTRUCTW cs;
WCHAR buffer[256];
/* Find the class atom */
if (HIWORD(className))
{
if (!(classAtom = GlobalFindAtomW( className )))
{
ERR( "bad class name %s\n", debugstr_w(className) );
return 0;
}
}
else
{
classAtom = LOWORD(className);
if (!GlobalGetAtomNameW( classAtom, buffer, sizeof(buffer)/sizeof(WCHAR) ))
{
ERR( "bad atom %x\n", classAtom);
return 0;
}
className = buffer;
}
/* Create the window */
cs.lpCreateParams = data;
cs.hInstance = instance;
cs.hMenu = menu;
cs.hwndParent = parent;
cs.x = x;
cs.y = y;
cs.cx = width;
cs.cy = height;
cs.style = style;
cs.lpszName = windowName;
cs.lpszClass = className;
cs.dwExStyle = exStyle;
/* Note: we rely on the fact that CREATESTRUCTA and */
/* CREATESTRUCTW have the same layout. */
return WIN_CreateWindowEx( (CREATESTRUCTA *)&cs, classAtom, WIN_PROC_32W );
}
/***********************************************************************
* WIN_SendDestroyMsg
*/
static void WIN_SendDestroyMsg( HWND hwnd )
{
GUITHREADINFO info;
if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
{
if (hwnd == info.hwndCaret) DestroyCaret();
if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd );
}
if (USER_Driver.pResetSelectionOwner)
USER_Driver.pResetSelectionOwner( hwnd, TRUE );
/*
* Send the WM_DESTROY to the window.
*/
SendMessageW( 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 (IsWindow(hwnd))
{
HWND* pWndArray;
int i;
if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
for (i = 0; pWndArray[i]; i++)
{
if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
}
HeapFree( GetProcessHeap(), 0, pWndArray );
}
else
WARN("\tdestroyed itself while in WM_DESTROY!\n");
}
/***********************************************************************
* DestroyWindow (USER32.@)
*/
BOOL WINAPI DestroyWindow( HWND hwnd )
{
BOOL is_child;
if (!(hwnd = WIN_IsCurrentThread( hwnd )) || (hwnd == GetDesktopWindow()))
{
SetLastError( ERROR_ACCESS_DENIED );
return FALSE;
}
TRACE("(%p)\n", hwnd);
/* Call hooks */
if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
if (MENU_IsMenuActive() == hwnd)
EndMenu();
is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
if (is_child)
{
if (!USER_IsExitingThread( GetCurrentThreadId() ))
send_parent_notify( hwnd, WM_DESTROY );
}
else if (!GetWindow( hwnd, GW_OWNER ))
{
HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
/* FIXME: clean up palette - see "Internals" p.352 */
}
if (!IsWindow(hwnd)) return TRUE;
if (USER_Driver.pResetSelectionOwner)
USER_Driver.pResetSelectionOwner( hwnd, FALSE ); /* before the window is unmapped */
/* Hide the window */
if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)
{
/* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
if (is_child)
ShowWindow( hwnd, SW_HIDE );
else
SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
}
if (!IsWindow(hwnd)) return TRUE;
/* Recursively destroy owned windows */
if (!is_child)
{
for (;;)
{
int i, got_one = 0;
HWND *list = WIN_ListChildren( GetDesktopWindow() );
if (list)
{
for (i = 0; list[i]; i++)
{
if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
if (WIN_IsCurrentThread( list[i] ))
{
DestroyWindow( list[i] );
got_one = 1;
continue;
}
WIN_SetOwner( list[i], 0 );
}
HeapFree( GetProcessHeap(), 0, list );
}
if (!got_one) break;
}
}
/* Send destroy messages */
WIN_SendDestroyMsg( hwnd );
if (!IsWindow( hwnd )) return TRUE;
if (GetClipboardOwner() == hwnd)
CLIPBOARD_ReleaseOwner();
/* Destroy the window storage */
WIN_DestroyWindow( hwnd );
return TRUE;
}
/***********************************************************************
* CloseWindow (USER32.@)
*/
BOOL WINAPI CloseWindow( HWND hwnd )
{
if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
ShowWindow( hwnd, SW_MINIMIZE );
return TRUE;
}
/***********************************************************************
* OpenIcon (USER32.@)
*/
BOOL WINAPI OpenIcon( HWND hwnd )
{
if (!IsIconic( hwnd )) return FALSE;
ShowWindow( hwnd, SW_SHOWNORMAL );
return TRUE;
}
/***********************************************************************
* WIN_FindWindow
*
* Implementation of FindWindow() and FindWindowEx().
*/
static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className, LPCWSTR title )
{
HWND *list = NULL;
HWND retvalue = 0;
int i = 0, len = 0;
WCHAR *buffer = NULL;
if (!parent) parent = GetDesktopWindow();
if (title)
{
len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
}
if (!(list = list_window_children( parent, className, 0 ))) goto done;
if (child)
{
child = WIN_GetFullHandle( child );
while (list[i] && list[i] != child) i++;
if (!list[i]) goto done;
i++; /* start from next window */
}
if (title)
{
while (list[i])
{
if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break;
i++;
}
}
retvalue = list[i];
done:
HeapFree( GetProcessHeap(), 0, list );
HeapFree( GetProcessHeap(), 0, buffer );
return retvalue;
}
/***********************************************************************
* FindWindowA (USER32.@)
*/
HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
{
HWND ret = FindWindowExA( 0, 0, className, title );
if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
return ret;
}
/***********************************************************************
* FindWindowExA (USER32.@)
*/
HWND WINAPI FindWindowExA( HWND parent, HWND child,
LPCSTR className, LPCSTR title )
{
ATOM atom = 0;
LPWSTR buffer;
HWND hwnd;
INT len;
if (className)
{
/* If the atom doesn't exist, then no class */
/* with this name exists either. */
if (!(atom = GlobalFindAtomA( className )))
{
SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
return 0;
}
}
if (!title) return WIN_FindWindow( parent, child, atom, NULL );
len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
MultiByteToWideChar( CP_ACP, 0, title, -1, buffer, len );
hwnd = WIN_FindWindow( parent, child, atom, buffer );
HeapFree( GetProcessHeap(), 0, buffer );
return hwnd;
}
/***********************************************************************
* FindWindowExW (USER32.@)
*/
HWND WINAPI FindWindowExW( HWND parent, HWND child,
LPCWSTR className, LPCWSTR title )
{
ATOM atom = 0;
if (className)
{
/* If the atom doesn't exist, then no class */
/* with this name exists either. */
if (!(atom = GlobalFindAtomW( className )))
{
SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
return 0;
}
}
return WIN_FindWindow( parent, child, atom, title );
}
/***********************************************************************
* FindWindowW (USER32.@)
*/
HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
{
return FindWindowExW( 0, 0, className, title );
}
/**********************************************************************
* GetDesktopWindow (USER32.@)
*/
HWND WINAPI GetDesktopWindow(void)
{
if (pWndDesktop) return pWndDesktop->hwndSelf;
ERR( "Wine init error: either you're trying to use an invalid native USER.EXE config, or some graphics/GUI libraries or DLLs didn't initialize properly. Aborting.\n" );
ExitProcess(1);
return 0;
}
/*******************************************************************
* EnableWindow (USER32.@)
*/
BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
{
BOOL retvalue;
HWND full_handle;
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!(full_handle = WIN_IsCurrentThread( hwnd )))
return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
hwnd = full_handle;
TRACE("( %p, %d )\n", hwnd, enable);
retvalue = !IsWindowEnabled( hwnd );
if (enable && retvalue)
{
WIN_SetStyle( hwnd, 0, WS_DISABLED );
SendMessageW( hwnd, WM_ENABLE, TRUE, 0 );
}
else if (!enable && !retvalue)
{
HWND capture_wnd;
SendMessageW( hwnd, WM_CANCELMODE, 0, 0);
WIN_SetStyle( hwnd, WS_DISABLED, 0 );
if (hwnd == GetFocus())
SetFocus( 0 ); /* A disabled window can't have the focus */
capture_wnd = GetCapture();
if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
ReleaseCapture(); /* A disabled window can't capture the mouse */
SendMessageW( hwnd, WM_ENABLE, FALSE, 0 );
}
return retvalue;
}
/***********************************************************************
* IsWindowEnabled (USER32.@)
*/
BOOL WINAPI IsWindowEnabled(HWND hWnd)
{
return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
}
/***********************************************************************
* IsWindowUnicode (USER32.@)
*/
BOOL WINAPI IsWindowUnicode( HWND hwnd )
{
WND * wndPtr;
BOOL retvalue;
if (!(wndPtr = WIN_GetPtr(hwnd)) || wndPtr == WND_OTHER_PROCESS) return FALSE;
retvalue = (WINPROC_GetProcType( wndPtr->winproc ) == WIN_PROC_32W);
WIN_ReleasePtr( wndPtr );
return retvalue;
}
/**********************************************************************
* GetWindowWord (USER32.@)
*/
WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
{
if (offset >= 0)
{
WORD retvalue = 0;
WND *wndPtr = WIN_GetPtr( hwnd );
if (!wndPtr)
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (wndPtr == WND_OTHER_PROCESS)
{
SERVER_START_REQ( set_window_info )
{
req->handle = hwnd;
req->flags = 0; /* don't set anything, just retrieve */
req->extra_offset = offset;
req->extra_size = sizeof(retvalue);
if (!wine_server_call_err( req ))
memcpy( &retvalue, &reply->old_extra_value, sizeof(retvalue) );
}
SERVER_END_REQ;
return retvalue;
}
if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
{
WARN("Invalid offset %d\n", offset );
SetLastError( ERROR_INVALID_INDEX );
}
else memcpy( &retvalue, (char *)wndPtr->wExtra + offset, sizeof(retvalue) );
WIN_ReleasePtr( wndPtr );
return retvalue;
}
switch(offset)
{
case GWLP_HWNDPARENT:
return GetWindowLongPtrW( hwnd, offset );
case GWLP_ID:
case GWLP_HINSTANCE:
{
LONG_PTR ret = GetWindowLongPtrW( hwnd, offset );
if (HIWORD(ret))
WARN("%d: discards high bits of 0x%08lx!\n", offset, ret );
return LOWORD(ret);
}
default:
WARN("Invalid offset %d\n", offset );
return 0;
}
}
/**********************************************************************
* SetWindowWord (USER32.@)
*/
WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
{
WORD retval = 0;
WND * wndPtr;
switch(offset)
{
case GWLP_ID:
case GWLP_HINSTANCE:
case GWLP_HWNDPARENT:
return SetWindowLongPtrW( hwnd, offset, (ULONG_PTR)newval );
default:
if (offset < 0)
{
WARN("Invalid offset %d\n", offset );
SetLastError( ERROR_INVALID_INDEX );
return 0;
}
}
wndPtr = WIN_GetPtr( hwnd );
if (wndPtr == WND_OTHER_PROCESS)
{
if (IsWindow(hwnd))
FIXME( "set %d <- %x not supported yet on other process window %p\n",
offset, newval, hwnd );
wndPtr = NULL;
}
if (!wndPtr)
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
{
WARN("Invalid offset %d\n", offset );
WIN_ReleasePtr(wndPtr);
SetLastError( ERROR_INVALID_INDEX );
return 0;
}
SERVER_START_REQ( set_window_info )
{
req->handle = hwnd;
req->flags = SET_WIN_EXTRA;
req->extra_offset = offset;
req->extra_size = sizeof(newval);
memcpy( &req->extra_value, &newval, sizeof(newval) );
if (!wine_server_call_err( req ))
{
void *ptr = (char *)wndPtr->wExtra + offset;
memcpy( &retval, ptr, sizeof(retval) );
memcpy( ptr, &newval, sizeof(newval) );
}
}
SERVER_END_REQ;
WIN_ReleasePtr( wndPtr );
return retval;
}
/**********************************************************************
* WIN_GetWindowLong
*
* Helper function for GetWindowLong().
*/
static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, WINDOWPROCTYPE type )
{
LONG_PTR retvalue = 0;
WND *wndPtr;
if (offset == GWLP_HWNDPARENT)
{
HWND parent = GetAncestor( hwnd, GA_PARENT );
if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
return (ULONG_PTR)parent;
}
if (!(wndPtr = WIN_GetPtr( hwnd )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (wndPtr == WND_OTHER_PROCESS)
{
if (offset == GWLP_WNDPROC)
{
SetLastError( ERROR_ACCESS_DENIED );
return 0;
}
SERVER_START_REQ( set_window_info )
{
req->handle = hwnd;
req->flags = 0; /* don't set anything, just retrieve */
req->extra_offset = (offset >= 0) ? offset : -1;
req->extra_size = (offset >= 0) ? sizeof(retvalue) : 0;
if (!wine_server_call_err( req ))
{
switch(offset)
{
case GWL_STYLE: retvalue = reply->old_style; break;
case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
case GWLP_ID: retvalue = reply->old_id; break;
case GWLP_HINSTANCE: retvalue = (ULONG_PTR)reply->old_instance; break;
case GWLP_USERDATA: retvalue = (ULONG_PTR)reply->old_user_data; break;
default:
if (offset >= 0) retvalue = reply->old_extra_value;
else SetLastError( ERROR_INVALID_INDEX );
break;
}
}
}
SERVER_END_REQ;
return retvalue;
}
/* now we have a valid wndPtr */
if (offset >= 0)
{
if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
{
/*
* Some programs try to access last element from 16 bit
* code using illegal offset value. Hopefully this is
* what those programs really expect.
*/
if (type == WIN_PROC_16 &&
wndPtr->cbWndExtra >= 4 &&
offset == wndPtr->cbWndExtra - sizeof(WORD))
{
INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
ERR( "- replaced invalid offset %d with %d\n",
offset, offset2 );
retvalue = *(LONG_PTR *)(((char *)wndPtr->wExtra) + offset2);
WIN_ReleasePtr( wndPtr );
return retvalue;
}
WARN("Invalid offset %d\n", offset );
WIN_ReleasePtr( wndPtr );
SetLastError( ERROR_INVALID_INDEX );
return 0;
}
retvalue = *(LONG_PTR *)(((char *)wndPtr->wExtra) + offset);
/* Special case for dialog window procedure */
if ((offset == DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
retvalue = (LONG_PTR)WINPROC_GetProc( (WNDPROC)retvalue, type );
WIN_ReleasePtr( wndPtr );
return retvalue;
}
switch(offset)
{
case GWLP_USERDATA: retvalue = wndPtr->userdata; break;
case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
case GWLP_ID: retvalue = (ULONG_PTR)wndPtr->wIDmenu; break;
case GWLP_WNDPROC: retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, type ); break;
case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break;
default:
WARN("Unknown offset %d\n", offset );
SetLastError( ERROR_INVALID_INDEX );
break;
}
WIN_ReleasePtr(wndPtr);
return retvalue;
}
/**********************************************************************
* WIN_SetWindowLong
*
* Helper function for SetWindowLong().
*
* 0 is the failure code. However, in the case of failure SetLastError
* must be set to distinguish between a 0 return value and a failure.
*/
static LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, LONG_PTR newval,
WINDOWPROCTYPE type )
{
STYLESTRUCT style;
BOOL ok;
LONG_PTR retval = 0;
WND *wndPtr;
TRACE( "%p %d %lx %x\n", hwnd, offset, newval, type );
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!WIN_IsCurrentProcess( hwnd ))
{
if (offset == GWLP_WNDPROC)
{
SetLastError( ERROR_ACCESS_DENIED );
return 0;
}
return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, offset, newval );
}
wndPtr = WIN_GetPtr( hwnd );
if (wndPtr->hwndSelf == GetDesktopWindow())
{
/* can't change anything on the desktop window */
WIN_ReleasePtr( wndPtr );
SetLastError( ERROR_ACCESS_DENIED );
return 0;
}
/* first some special cases */
switch( offset )
{
case GWL_STYLE:
case GWL_EXSTYLE:
style.styleOld =
offset == GWL_STYLE ? wndPtr->dwStyle : wndPtr->dwExStyle;
style.styleNew = newval;
WIN_ReleasePtr( wndPtr );
SendMessageW( hwnd, WM_STYLECHANGING, offset, (LPARAM)&style );
if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
newval = style.styleNew;
break;
case GWLP_HWNDPARENT:
if (wndPtr->parent == GetDesktopWindow())
{
WIN_ReleasePtr( wndPtr );
return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
}
else
{
WIN_ReleasePtr( wndPtr );
return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
}
case GWLP_WNDPROC:
retval = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, type );
wndPtr->winproc = WINPROC_AllocProc( (WNDPROC)newval, type );
WIN_ReleasePtr( wndPtr );
return retval;
case GWLP_ID:
case GWLP_HINSTANCE:
case GWLP_USERDATA:
break;
case DWLP_DLGPROC:
if ((wndPtr->cbWndExtra + sizeof(LONG_PTR) >= DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
{
WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
retval = (ULONG_PTR)WINPROC_GetProc( *ptr, type );
*ptr = WINPROC_AllocProc( (WNDPROC)newval, type );
WIN_ReleasePtr( wndPtr );
return retval;
}
/* fall through */
default:
if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - sizeof(LONG_PTR)))
{
WARN("Invalid offset %d\n", offset );
WIN_ReleasePtr( wndPtr );
SetLastError( ERROR_INVALID_INDEX );
return 0;
}
else
{
LONG_PTR *ptr = (LONG_PTR *)((char *)wndPtr->wExtra + offset);
if (*ptr == newval) /* already set to the same value */
{
WIN_ReleasePtr( wndPtr );
return newval;
}
}
break;
}
SERVER_START_REQ( set_window_info )
{
req->handle = hwnd;
req->extra_offset = -1;
switch(offset)
{
case GWL_STYLE:
req->flags = SET_WIN_STYLE;
req->style = newval;
break;
case GWL_EXSTYLE:
req->flags = SET_WIN_EXSTYLE;
req->ex_style = newval;
break;
case GWLP_ID:
req->flags = SET_WIN_ID;
req->id = newval;
break;
case GWLP_HINSTANCE:
req->flags = SET_WIN_INSTANCE;
req->instance = (void *)newval;
break;
case GWLP_USERDATA:
req->flags = SET_WIN_USERDATA;
req->user_data = (void *)newval;
break;
default:
req->flags = SET_WIN_EXTRA;
req->extra_offset = offset;
req->extra_size = sizeof(newval);
memcpy( &req->extra_value, &newval, sizeof(newval) );
}
if ((ok = !wine_server_call_err( req )))
{
switch(offset)
{
case GWL_STYLE:
wndPtr->dwStyle = newval;
retval = reply->old_style;
break;
case GWL_EXSTYLE:
wndPtr->dwExStyle = newval;
retval = reply->old_ex_style;
break;
case GWLP_ID:
wndPtr->wIDmenu = newval;
retval = reply->old_id;
break;
case GWLP_HINSTANCE:
wndPtr->hInstance = (HINSTANCE)newval;
retval = (ULONG_PTR)reply->old_instance;
break;
case GWLP_USERDATA:
wndPtr->userdata = newval;
retval = (ULONG_PTR)reply->old_user_data;
break;
default:
{
void *ptr = (char *)wndPtr->wExtra + offset;
memcpy( &retval, ptr, sizeof(retval) );
memcpy( ptr, &newval, sizeof(newval) );
}
break;
}
}
}
SERVER_END_REQ;
WIN_ReleasePtr( wndPtr );
if (!ok) return 0;
if (offset == GWL_STYLE && USER_Driver.pSetWindowStyle)
USER_Driver.pSetWindowStyle( hwnd, retval );
if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
return retval;
}
/**********************************************************************
* GetWindowLong (USER.135)
*/
LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
{
return WIN_GetWindowLong( WIN_Handle32(hwnd), offset, WIN_PROC_16 );
}
/**********************************************************************
* GetWindowLongA (USER32.@)
*/
LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
{
return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32A );
}
/**********************************************************************
* GetWindowLongW (USER32.@)
*/
LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
{
return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32W );
}
/**********************************************************************
* SetWindowLong (USER.136)
*/
LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
{
return WIN_SetWindowLong( WIN_Handle32(hwnd), offset, newval, WIN_PROC_16 );
}
/**********************************************************************
* SetWindowLongA (USER32.@)
*/
LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
{
return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32A );
}
/**********************************************************************
* SetWindowLongW (USER32.@) Set window attribute
*
* SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
* value in a window's extra memory.
*
* The _hwnd_ parameter specifies the window. is the handle to a
* window that has extra memory. The _newval_ parameter contains the
* new attribute or extra memory value. If positive, the _offset_
* parameter is the byte-addressed location in the window's extra
* memory to set. If negative, _offset_ specifies the window
* attribute to set, and should be one of the following values:
*
* GWL_EXSTYLE The window's extended window style
*
* GWL_STYLE The window's window style.
*
* GWLP_WNDPROC Pointer to the window's window procedure.
*
* GWLP_HINSTANCE The window's pplication instance handle.
*
* GWLP_ID The window's identifier.
*
* GWLP_USERDATA The window's user-specified data.
*
* If the window is a dialog box, the _offset_ parameter can be one of
* the following values:
*
* DWLP_DLGPROC The address of the window's dialog box procedure.
*
* DWLP_MSGRESULT The return value of a message
* that the dialog box procedure processed.
*
* DWLP_USER Application specific information.
*
* RETURNS
*
* If successful, returns the previous value located at _offset_. Otherwise,
* returns 0.
*
* NOTES
*
* Extra memory for a window class is specified by a nonzero cbWndExtra
* parameter of the WNDCLASS structure passed to RegisterClass() at the
* time of class creation.
*
* Using GWL_WNDPROC to set a new window procedure effectively creates
* a window subclass. Use CallWindowProc() in the new windows procedure
* to pass messages to the superclass's window procedure.
*
* The user data is reserved for use by the application which created
* the window.
*
* Do not use GWL_STYLE to change the window's WS_DISABLED style;
* instead, call the EnableWindow() function to change the window's
* disabled state.
*
* Do not use GWL_HWNDPARENT to reset the window's parent, use
* SetParent() instead.
*
* Win95:
* When offset is GWL_STYLE and the calling app's ver is 4.0,
* it sends WM_STYLECHANGING before changing the settings
* and WM_STYLECHANGED afterwards.
* App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
*/
LONG WINAPI SetWindowLongW(
HWND hwnd, /* [in] window to alter */
INT offset, /* [in] offset, in bytes, of location to alter */
LONG newval /* [in] new value of location */
) {
return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32W );
}
/*******************************************************************
* GetWindowTextA (USER32.@)
*/
INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
{
WCHAR *buffer;
if (WIN_IsCurrentProcess( hwnd ))
return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
/* when window belongs to other process, don't send a message */
if (nMaxCount <= 0) return 0;
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
get_server_window_text( hwnd, buffer, nMaxCount );
if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
lpString[nMaxCount-1] = 0;
HeapFree( GetProcessHeap(), 0, buffer );
return strlen(lpString);
}
/*******************************************************************
* InternalGetWindowText (USER32.@)
*/
INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
{
WND *win;
if (nMaxCount <= 0) return 0;
if (!(win = WIN_GetPtr( hwnd ))) return 0;
if (win != WND_OTHER_PROCESS)
{
if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
else lpString[0] = 0;
WIN_ReleasePtr( win );
}
else
{
get_server_window_text( hwnd, lpString, nMaxCount );
}
return strlenW(lpString);
}
/*******************************************************************
* GetWindowTextW (USER32.@)
*/
INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
{
if (WIN_IsCurrentProcess( hwnd ))
return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
/* when window belongs to other process, don't send a message */
if (nMaxCount <= 0) return 0;
get_server_window_text( hwnd, lpString, nMaxCount );
return strlenW(lpString);
}
/*******************************************************************
* SetWindowText (USER32.@)
* SetWindowTextA (USER32.@)
*/
BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
{
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!WIN_IsCurrentProcess( hwnd ))
{
FIXME( "cannot set text %s of other process window %p\n", debugstr_a(lpString), hwnd );
SetLastError( ERROR_ACCESS_DENIED );
return FALSE;
}
return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
}
/*******************************************************************
* SetWindowTextW (USER32.@)
*/
BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
{
if (is_broadcast(hwnd))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!WIN_IsCurrentProcess( hwnd ))
{
FIXME( "cannot set text %s of other process window %p\n", debugstr_w(lpString), hwnd );
SetLastError( ERROR_ACCESS_DENIED );
return FALSE;
}
return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
}
/*******************************************************************
* GetWindowTextLengthA (USER32.@)
*/
INT WINAPI GetWindowTextLengthA( HWND hwnd )
{
return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
}
/*******************************************************************
* GetWindowTextLengthW (USER32.@)
*/
INT WINAPI GetWindowTextLengthW( HWND hwnd )
{
return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
}
/*******************************************************************
* IsWindow (USER32.@)
*/
BOOL WINAPI IsWindow( HWND hwnd )
{
WND *ptr;
BOOL ret;
if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
if (ptr != WND_OTHER_PROCESS)
{
WIN_ReleasePtr( ptr );
return TRUE;
}
/* check other processes */
SERVER_START_REQ( get_window_info )
{
req->handle = hwnd;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* GetWindowThreadProcessId (USER32.@)
*/
DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
{
WND *ptr;
DWORD tid = 0;
if (!(ptr = WIN_GetPtr( hwnd )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE);
return 0;
}
if (ptr != WND_OTHER_PROCESS)
{
/* got a valid window */
tid = ptr->tid;
if (process) *process = GetCurrentProcessId();
WIN_ReleasePtr( ptr );
return tid;
}
/* check other processes */
SERVER_START_REQ( get_window_info )
{
req->handle = hwnd;
if (!wine_server_call_err( req ))
{
tid = (DWORD)reply->tid;
if (process) *process = (DWORD)reply->pid;
}
}
SERVER_END_REQ;
return tid;
}
/*****************************************************************
* GetParent (USER32.@)
*/
HWND WINAPI GetParent( HWND hwnd )
{
WND *wndPtr;
HWND retvalue = 0;
if (!(wndPtr = WIN_GetPtr( hwnd )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (wndPtr == WND_OTHER_PROCESS)
{
LONG style = GetWindowLongW( hwnd, GWL_STYLE );
if (style & (WS_POPUP | WS_CHILD))
{
SERVER_START_REQ( get_window_tree )
{
req->handle = hwnd;
if (!wine_server_call_err( req ))
{
if (style & WS_POPUP) retvalue = reply->owner;
else if (style & WS_CHILD) retvalue = reply->parent;
}
}
SERVER_END_REQ;
}
}
else
{
if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
WIN_ReleasePtr( wndPtr );
}
return retvalue;
}
/*****************************************************************
* GetAncestor (USER32.@)
*/
HWND WINAPI GetAncestor( HWND hwnd, UINT type )
{
WND *win;
HWND *list, ret = 0;
switch(type)
{
case GA_PARENT:
if (!(win = WIN_GetPtr( hwnd )))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
if (win != WND_OTHER_PROCESS)
{
ret = win->parent;
WIN_ReleasePtr( win );
}
else /* need to query the server */
{
SERVER_START_REQ( get_window_tree )
{
req->handle = hwnd;
if (!wine_server_call_err( req )) ret = reply->parent;
}
SERVER_END_REQ;
}
break;
case GA_ROOT:
if (!(list = list_window_parents( 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 );
break;
case GA_ROOTOWNER:
if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
for (;;)
{
HWND parent = GetParent( ret );
if (!parent) break;
ret = parent;
}
break;
}
return ret;
}
/*****************************************************************
* SetParent (USER32.@)
*/
HWND WINAPI SetParent( HWND hwnd, HWND parent )
{
WND *wndPtr;
HWND retvalue, full_handle;
BOOL was_visible;
if (is_broadcast(hwnd) || is_broadcast(parent))
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if (!parent) parent = GetDesktopWindow();
else parent = WIN_GetFullHandle( parent );
if (!IsWindow( parent ))
{
SetLastError( ERROR_INVALID_WINDOW_HANDLE );
return 0;
}
/* Some applications try to set a child as a parent */
if (IsChild(hwnd, parent))
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (!(full_handle = WIN_IsCurrentThread( hwnd )))
return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
hwnd = full_handle;
if (USER_Driver.pSetParent)
return USER_Driver.pSetParent( hwnd, parent );
/* Windows hides the window first, then shows it again
* including the WM_SHOWWINDOW messages and all */
was_visible = ShowWindow( hwnd, SW_HIDE );
if (!IsWindow( parent )) return 0;
if (!(wndPtr = WIN_GetPtr(hwnd)) || wndPtr == WND_OTHER_PROCESS) return 0;
retvalue = wndPtr->parent; /* old parent */
if (parent != retvalue)
{
WIN_LinkWindow( hwnd, parent, HWND_TOP );
if (parent != GetDesktopWindow()) /* a child window */
{
if (!(wndPtr->dwStyle & WS_CHILD))
{
HMENU menu = (HMENU)SetWindowLongPtrW( hwnd, GWLP_ID, 0 );
if (menu) DestroyMenu( menu );
}
}
}
WIN_ReleasePtr( wndPtr );
/* SetParent additionally needs to make hwnd the topmost window
in the x-order and send the expected WM_WINDOWPOSCHANGING and
WM_WINDOWPOSCHANGED notification messages.
*/
SetWindowPos( hwnd, HWND_TOPMOST, 0, 0, 0, 0,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
/* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
* for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
return retvalue;
}
/*******************************************************************
* IsChild (USER32.@)
*/
BOOL WINAPI IsChild( HWND parent, HWND child )
{
HWND *list = list_window_parents( child );
int i;
BOOL ret;
if (!list) return FALSE;
parent = WIN_GetFullHandle( parent );
for (i = 0; list[i]; i++) if (list[i] == parent) break;
ret = (list[i] != 0);
HeapFree( GetProcessHeap(), 0, list );
return ret;
}
/***********************************************************************
* IsWindowVisible (USER32.@)
*/
BOOL WINAPI IsWindowVisible( HWND hwnd )
{
HWND *list;
BOOL retval;
int i;
if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
if (!(list = list_window_parents( hwnd ))) return TRUE;
for (i = 0; list[i]; i++)
if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
retval = !list[i];
HeapFree( GetProcessHeap(), 0, list );
return retval;
}
/***********************************************************************
* WIN_IsWindowDrawable
*
* 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.
*/
BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
{
HWND *list;
BOOL retval;
int i;
LONG style = GetWindowLongW( hwnd, GWL_STYLE );
if (!(style & WS_VISIBLE)) return FALSE;
if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
if (!(list = list_window_parents( hwnd ))) return TRUE;
for (i = 0; list[i]; i++)
if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
break;
retval = !list[i];
HeapFree( GetProcessHeap(), 0, list );
return retval;
}
/*******************************************************************
* GetTopWindow (USER32.@)
*/
HWND WINAPI GetTopWindow( HWND hwnd )
{
if (!hwnd) hwnd = GetDesktopWindow();
return GetWindow( hwnd, GW_CHILD );
}
/*******************************************************************
* GetWindow (USER32.@)
*/
HWND WINAPI GetWindow( HWND hwnd, UINT rel )
{
HWND retval = 0;
if (rel == GW_OWNER) /* this one may be available locally */
{
WND *wndPtr = WIN_GetPtr( hwnd );
if (!wndPtr)
{
SetLastError( ERROR_INVALID_HANDLE );
return 0;
}
if (wndPtr != WND_OTHER_PROCESS)
{
retval = wndPtr->owner;
WIN_ReleasePtr( wndPtr );
return retval;
}
/* else fall through to server call */
}
SERVER_START_REQ( get_window_tree )
{
req->handle = hwnd;
if (!wine_server_call_err( req ))
{
switch(rel)
{
case GW_HWNDFIRST:
retval = reply->first_sibling;
break;
case GW_HWNDLAST:
retval = reply->last_sibling;
break;
case GW_HWNDNEXT:
retval = reply->next_sibling;
break;
case GW_HWNDPREV:
retval = reply->prev_sibling;
break;
case GW_OWNER:
retval = reply->owner;
break;
case GW_CHILD:
retval = reply->first_child;
break;
}
}
}
SERVER_END_REQ;
return retval;
}
/*******************************************************************
* ShowOwnedPopups (USER32.@)
*/
BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
{
int count = 0;
WND *pWnd;
HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
if (!win_array) return TRUE;
while (win_array[count]) count++;
while (--count >= 0)
{
if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
if (!(pWnd = WIN_GetPtr( win_array[count] ))) continue;
if (pWnd == WND_OTHER_PROCESS) continue;
if (pWnd->dwStyle & WS_POPUP)
{
if (fShow)
{
if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
{
pWnd->flags &= ~WIN_NEEDS_SHOW_OWNEDPOPUP;
WIN_ReleasePtr( pWnd );
/* In Windows, ShowOwnedPopups(TRUE) generates
* WM_SHOWWINDOW messages with SW_PARENTOPENING,
* regardless of the state of the owner
*/
SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOW, SW_PARENTOPENING);
continue;
}
}
else
{
if (pWnd->dwStyle & WS_VISIBLE)
{
pWnd->flags |= WIN_NEEDS_SHOW_OWNEDPOPUP;
WIN_ReleasePtr( pWnd );
/* In Windows, ShowOwnedPopups(FALSE) generates
* WM_SHOWWINDOW messages with SW_PARENTCLOSING,
* regardless of the state of the owner
*/
SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
continue;
}
}
}
WIN_ReleasePtr( pWnd );
}
HeapFree( GetProcessHeap(), 0, win_array );
return TRUE;
}
/*******************************************************************
* GetLastActivePopup (USER32.@)
*/
HWND WINAPI GetLastActivePopup( HWND hwnd )
{
HWND retval = hwnd;
SERVER_START_REQ( get_window_info )
{
req->handle = hwnd;
if (!wine_server_call_err( req )) retval = reply->last_active;
}
SERVER_END_REQ;
return retval;
}
/*******************************************************************
* WIN_ListChildren
*
* 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 *WIN_ListChildren( HWND hwnd )
{
return list_window_children( hwnd, 0, 0 );
}
/*******************************************************************
* EnumWindows (USER32.@)
*/
BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
{
HWND *list;
BOOL ret = TRUE;
int i, iWndsLocks;
/* We have to build a list of all windows first, to avoid */
/* unpleasant side-effects, for instance if the callback */
/* function changes the Z-order of the windows. */
if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
/* Now call the callback function for every window */
iWndsLocks = WIN_SuspendWndsLock();
for (i = 0; list[i]; i++)
{
/* Make sure that the window still exists */
if (!IsWindow( list[i] )) continue;
if (!(ret = lpEnumFunc( list[i], lParam ))) break;
}
WIN_RestoreWndsLock(iWndsLocks);
HeapFree( GetProcessHeap(), 0, list );
return ret;
}
/**********************************************************************
* EnumThreadWindows (USER32.@)
*/
BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
{
HWND *list;
int i, iWndsLocks;
if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
/* Now call the callback function for every window */
iWndsLocks = WIN_SuspendWndsLock();
for (i = 0; list[i]; i++)
if (!func( list[i], lParam )) break;
WIN_RestoreWndsLock(iWndsLocks);
HeapFree( GetProcessHeap(), 0, list );
return TRUE;
}
/**********************************************************************
* WIN_EnumChildWindows
*
* Helper function for EnumChildWindows().
*/
static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
{
HWND *childList;
BOOL ret = FALSE;
for ( ; *list; list++)
{
/* Make sure that the window still exists */
if (!IsWindow( *list )) continue;
/* skip owned windows */
if (GetWindow( *list, GW_OWNER )) continue;
/* Build children list first */
childList = WIN_ListChildren( *list );
ret = func( *list, lParam );
if (childList)
{
if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
HeapFree( GetProcessHeap(), 0, childList );
}
if (!ret) return FALSE;
}
return TRUE;
}
/**********************************************************************
* EnumChildWindows (USER32.@)
*/
BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
{
HWND *list;
int iWndsLocks;
if (!(list = WIN_ListChildren( parent ))) return FALSE;
iWndsLocks = WIN_SuspendWndsLock();
WIN_EnumChildWindows( list, func, lParam );
WIN_RestoreWndsLock(iWndsLocks);
HeapFree( GetProcessHeap(), 0, list );
return TRUE;
}
/*******************************************************************
* AnyPopup (USER.52)
*/
BOOL16 WINAPI AnyPopup16(void)
{
return AnyPopup();
}
/*******************************************************************
* AnyPopup (USER32.@)
*/
BOOL WINAPI AnyPopup(void)
{
int i;
BOOL retvalue;
HWND *list = WIN_ListChildren( GetDesktopWindow() );
if (!list) return FALSE;
for (i = 0; list[i]; i++)
{
if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
}
retvalue = (list[i] != 0);
HeapFree( GetProcessHeap(), 0, list );
return retvalue;
}
/*******************************************************************
* FlashWindow (USER32.@)
*/
BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
{
WND *wndPtr;
TRACE("%p\n", hWnd);
if (IsIconic( hWnd ))
{
RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
wndPtr = WIN_GetPtr(hWnd);
if (!wndPtr || wndPtr == WND_OTHER_PROCESS) return FALSE;
if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
{
wndPtr->flags |= WIN_NCACTIVATED;
}
else
{
wndPtr->flags &= ~WIN_NCACTIVATED;
}
WIN_ReleasePtr( wndPtr );
return TRUE;
}
else
{
WPARAM wparam;
wndPtr = WIN_GetPtr(hWnd);
if (!wndPtr || wndPtr == WND_OTHER_PROCESS) return FALSE;
hWnd = wndPtr->hwndSelf; /* make it a full handle */
if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
else wparam = (hWnd == GetForegroundWindow());
WIN_ReleasePtr( wndPtr );
SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
return wparam;
}
}
/*******************************************************************
* FlashWindowEx (USER32.@)
*/
BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
{
FIXME("%p\n", pfwi);
return TRUE;
}
/*******************************************************************
* GetWindowContextHelpId (USER32.@)
*/
DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
{
DWORD retval;
WND *wnd = WIN_GetPtr( hwnd );
if (!wnd) return 0;
if (wnd == WND_OTHER_PROCESS)
{
if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
return 0;
}
retval = wnd->helpContext;
WIN_ReleasePtr( wnd );
return retval;
}
/*******************************************************************
* SetWindowContextHelpId (USER32.@)
*/
BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
{
WND *wnd = WIN_GetPtr( hwnd );
if (!wnd) return FALSE;
if (wnd == WND_OTHER_PROCESS)
{
if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
return 0;
}
wnd->helpContext = id;
WIN_ReleasePtr( wnd );
return TRUE;
}
/*******************************************************************
* DragDetect (USER32.@)
*/
BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
{
MSG msg;
RECT rect;
rect.left = pt.x - wDragWidth;
rect.right = pt.x + wDragWidth;
rect.top = pt.y - wDragHeight;
rect.bottom = pt.y + wDragHeight;
SetCapture(hWnd);
while(1)
{
while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
{
if( msg.message == WM_LBUTTONUP )
{
ReleaseCapture();
return 0;
}
if( msg.message == WM_MOUSEMOVE )
{
POINT tmp;
tmp.x = LOWORD(msg.lParam);
tmp.y = HIWORD(msg.lParam);
if( !PtInRect( &rect, tmp ))
{
ReleaseCapture();
return 1;
}
}
}
WaitMessage();
}
return 0;
}
/******************************************************************************
* GetWindowModuleFileNameA (USER32.@)
*/
UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
{
FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
hwnd, lpszFileName, cchFileNameMax);
return 0;
}
/******************************************************************************
* GetWindowModuleFileNameW (USER32.@)
*/
UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR lpszFileName, UINT cchFileNameMax)
{
FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
hwnd, lpszFileName, cchFileNameMax);
return 0;
}
/******************************************************************************
* GetWindowInfo (USER32.@)
*
* Note: tests show that Windows doesn't check cbSize of the structure.
*/
BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
{
if (!pwi) return FALSE;
if (!IsWindow(hwnd)) return FALSE;
GetWindowRect(hwnd, &pwi->rcWindow);
GetClientRect(hwnd, &pwi->rcClient);
/* translate to screen coordinates */
MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
pwi->wCreatorVersion = 0x0400;
return TRUE;
}
/******************************************************************************
* SwitchDesktop (USER32.@)
*
* NOTES: Sets the current input or interactive desktop.
*/
BOOL WINAPI SwitchDesktop( HDESK hDesktop)
{
FIXME("SwitchDesktop(hwnd %p) stub!\n", hDesktop);
return TRUE;
}