Sweden-Number/dlls/user32/user_main.c

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/*
* USER initialization code
*
* Copyright 2000 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "controls.h"
#include "user_private.h"
#include "win.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(graphics);
#define DESKTOP_ALL_ACCESS 0x01ff
HMODULE user32_module = 0;
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static CRITICAL_SECTION user_section;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &user_section,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": user_section") }
};
static CRITICAL_SECTION user_section = { &critsect_debug, -1, 0, 0, 0, 0 };
static HPALETTE (WINAPI *pfnGDISelectPalette)( HDC hdc, HPALETTE hpal, WORD bkgnd );
static UINT (WINAPI *pfnGDIRealizePalette)( HDC hdc );
static HPALETTE hPrimaryPalette;
static DWORD exiting_thread_id;
extern void WDML_NotifyThreadDetach(void);
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/***********************************************************************
* USER_Lock
*/
void USER_Lock(void)
{
EnterCriticalSection( &user_section );
}
/***********************************************************************
* USER_Unlock
*/
void USER_Unlock(void)
{
LeaveCriticalSection( &user_section );
}
/***********************************************************************
* USER_CheckNotLock
*
* Make sure that we don't hold the user lock.
*/
void USER_CheckNotLock(void)
{
if (user_section.OwningThread == ULongToHandle(GetCurrentThreadId()) && user_section.RecursionCount)
{
ERR( "BUG: holding USER lock\n" );
DebugBreak();
}
}
/***********************************************************************
* UserSelectPalette (Not a Windows API)
*/
static HPALETTE WINAPI UserSelectPalette( HDC hDC, HPALETTE hPal, BOOL bForceBackground )
{
WORD wBkgPalette = 1;
if (!bForceBackground && (hPal != GetStockObject(DEFAULT_PALETTE)))
{
HWND hwnd = WindowFromDC( hDC );
if (hwnd)
{
HWND hForeground = GetForegroundWindow();
/* set primary palette if it's related to current active */
if (hForeground == hwnd || IsChild(hForeground,hwnd))
{
wBkgPalette = 0;
hPrimaryPalette = hPal;
}
}
}
return pfnGDISelectPalette( hDC, hPal, wBkgPalette);
}
/***********************************************************************
* UserRealizePalette (USER32.@)
*/
UINT WINAPI UserRealizePalette( HDC hDC )
{
UINT realized = pfnGDIRealizePalette( hDC );
/* do not send anything if no colors were changed */
if (realized && GetCurrentObject( hDC, OBJ_PAL ) == hPrimaryPalette)
{
/* send palette change notification */
HWND hWnd = WindowFromDC( hDC );
if (hWnd) SendMessageTimeoutW( HWND_BROADCAST, WM_PALETTECHANGED, (WPARAM)hWnd, 0,
SMTO_ABORTIFHUNG, 2000, NULL );
}
return realized;
}
/***********************************************************************
* palette_init
*
* Patch the function pointers in GDI for SelectPalette and RealizePalette
*/
static void palette_init(void)
{
void **ptr;
HMODULE module = GetModuleHandleA( "gdi32" );
if (!module)
{
ERR( "cannot get GDI32 handle\n" );
return;
}
if ((ptr = (void**)GetProcAddress( module, "pfnSelectPalette" )))
pfnGDISelectPalette = InterlockedExchangePointer( ptr, UserSelectPalette );
else ERR( "cannot find pfnSelectPalette in GDI32\n" );
if ((ptr = (void**)GetProcAddress( module, "pfnRealizePalette" )))
pfnGDIRealizePalette = InterlockedExchangePointer( ptr, UserRealizePalette );
else ERR( "cannot find pfnRealizePalette in GDI32\n" );
}
/***********************************************************************
* get_default_desktop
*
* Get the name of the desktop to use for this app if not specified explicitly.
*/
static const WCHAR *get_default_desktop(void)
{
static const WCHAR defaultW[] = {'D','e','f','a','u','l','t',0};
static const WCHAR desktopW[] = {'D','e','s','k','t','o','p',0};
static const WCHAR explorerW[] = {'\\','E','x','p','l','o','r','e','r',0};
static const WCHAR app_defaultsW[] = {'S','o','f','t','w','a','r','e','\\',
'W','i','n','e','\\',
'A','p','p','D','e','f','a','u','l','t','s',0};
static WCHAR buffer[MAX_PATH + sizeof(explorerW)/sizeof(WCHAR)];
WCHAR *p, *appname = buffer;
const WCHAR *ret = defaultW;
DWORD len;
HKEY tmpkey, appkey;
len = (GetModuleFileNameW( 0, buffer, MAX_PATH ));
if (!len || len >= MAX_PATH) return ret;
if ((p = strrchrW( appname, '/' ))) appname = p + 1;
if ((p = strrchrW( appname, '\\' ))) appname = p + 1;
p = appname + strlenW(appname);
strcpyW( p, explorerW );
/* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\Explorer */
if (!RegOpenKeyW( HKEY_CURRENT_USER, app_defaultsW, &tmpkey ))
{
if (RegOpenKeyW( tmpkey, appname, &appkey )) appkey = 0;
RegCloseKey( tmpkey );
if (appkey)
{
len = sizeof(buffer);
if (!RegQueryValueExW( appkey, desktopW, 0, NULL, (LPBYTE)buffer, &len )) ret = buffer;
RegCloseKey( appkey );
if (ret && strcmpiW( ret, defaultW )) return ret;
ret = defaultW;
}
}
memcpy( buffer, app_defaultsW, 13 * sizeof(WCHAR) ); /* copy only software\\wine */
strcpyW( buffer + 13, explorerW );
/* @@ Wine registry key: HKCU\Software\Wine\Explorer */
if (!RegOpenKeyW( HKEY_CURRENT_USER, buffer, &appkey ))
{
len = sizeof(buffer);
if (!RegQueryValueExW( appkey, desktopW, 0, NULL, (LPBYTE)buffer, &len )) ret = buffer;
RegCloseKey( appkey );
}
return ret;
}
/***********************************************************************
* winstation_init
*
* Connect to the process window station and desktop.
*/
static void winstation_init(void)
{
static const WCHAR WinSta0[] = {'W','i','n','S','t','a','0',0};
STARTUPINFOW info;
WCHAR *winstation = NULL, *desktop = NULL, *buffer = NULL;
HANDLE handle;
GetStartupInfoW( &info );
if (info.lpDesktop && *info.lpDesktop)
{
buffer = HeapAlloc( GetProcessHeap(), 0, (strlenW(info.lpDesktop) + 1) * sizeof(WCHAR) );
strcpyW( buffer, info.lpDesktop );
if ((desktop = strchrW( buffer, '\\' )))
{
*desktop++ = 0;
winstation = buffer;
}
else desktop = buffer;
}
/* set winstation if explicitly specified, or if we don't have one yet */
if (buffer || !GetProcessWindowStation())
{
handle = CreateWindowStationW( winstation ? winstation : WinSta0, 0, WINSTA_ALL_ACCESS, NULL );
if (handle)
{
SetProcessWindowStation( handle );
/* only WinSta0 is visible */
if (!winstation || !strcmpiW( winstation, WinSta0 ))
{
USEROBJECTFLAGS flags;
flags.fInherit = FALSE;
flags.fReserved = FALSE;
flags.dwFlags = WSF_VISIBLE;
SetUserObjectInformationW( handle, UOI_FLAGS, &flags, sizeof(flags) );
}
}
}
if (buffer || !GetThreadDesktop( GetCurrentThreadId() ))
{
handle = CreateDesktopW( desktop ? desktop : get_default_desktop(),
NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL );
if (handle) SetThreadDesktop( handle );
}
HeapFree( GetProcessHeap(), 0, buffer );
}
/***********************************************************************
* USER initialisation routine
*/
static BOOL process_attach(void)
{
winstation_init();
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/* Initialize system colors and metrics */
SYSPARAMS_Init();
/* Setup palette function pointers */
palette_init();
/* Initialize built-in window classes */
CLASS_RegisterBuiltinClasses();
/* Initialize message spying */
if (!SPY_Init()) return FALSE;
return TRUE;
}
/**********************************************************************
* USER_IsExitingThread
*/
BOOL USER_IsExitingThread( DWORD tid )
{
return (tid == exiting_thread_id);
}
/**********************************************************************
* thread_detach
*/
static void thread_detach(void)
{
struct user_thread_info *thread_info = get_user_thread_info();
exiting_thread_id = GetCurrentThreadId();
WDML_NotifyThreadDetach();
if (thread_info->top_window) WIN_DestroyThreadWindows( thread_info->top_window );
if (thread_info->msg_window) WIN_DestroyThreadWindows( thread_info->msg_window );
CloseHandle( thread_info->server_queue );
HeapFree( GetProcessHeap(), 0, thread_info->wmchar_data );
HeapFree( GetProcessHeap(), 0, thread_info->key_state );
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HeapFree( GetProcessHeap(), 0, thread_info->rawinput );
exiting_thread_id = 0;
}
/***********************************************************************
* UserClientDllInitialize (USER32.@)
*
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* USER dll initialisation routine (exported as UserClientDllInitialize for compatibility).
*/
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BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
{
BOOL ret = TRUE;
switch(reason)
{
case DLL_PROCESS_ATTACH:
user32_module = inst;
ret = process_attach();
break;
case DLL_THREAD_DETACH:
thread_detach();
break;
case DLL_PROCESS_DETACH:
USER_unload_driver();
DeleteCriticalSection(&user_section);
break;
}
return ret;
}
/***********************************************************************
* ExitWindowsEx (USER32.@)
*/
BOOL WINAPI ExitWindowsEx( UINT flags, DWORD reason )
{
static const WCHAR winebootW[] = { '\\','w','i','n','e','b','o','o','t','.','e','x','e',0 };
static const WCHAR killW[] = { ' ','-','-','k','i','l','l',0 };
static const WCHAR end_sessionW[] = { ' ','-','-','e','n','d','-','s','e','s','s','i','o','n',0 };
static const WCHAR forceW[] = { ' ','-','-','f','o','r','c','e',0 };
static const WCHAR shutdownW[] = { ' ','-','-','s','h','u','t','d','o','w','n',0 };
WCHAR app[MAX_PATH];
WCHAR cmdline[MAX_PATH + 64];
PROCESS_INFORMATION pi;
STARTUPINFOW si;
void *redir;
GetSystemDirectoryW( app, MAX_PATH - sizeof(winebootW)/sizeof(WCHAR) );
strcatW( app, winebootW );
strcpyW( cmdline, app );
if (flags & EWX_FORCE) lstrcatW( cmdline, killW );
else
{
lstrcatW( cmdline, end_sessionW );
if (flags & EWX_FORCEIFHUNG) lstrcatW( cmdline, forceW );
}
if (!(flags & EWX_REBOOT)) lstrcatW( cmdline, shutdownW );
memset( &si, 0, sizeof si );
si.cb = sizeof si;
Wow64DisableWow64FsRedirection( &redir );
if (!CreateProcessW( app, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi ))
{
Wow64RevertWow64FsRedirection( redir );
ERR( "Failed to run %s\n", debugstr_w(cmdline) );
return FALSE;
}
Wow64RevertWow64FsRedirection( redir );
CloseHandle( pi.hProcess );
CloseHandle( pi.hThread );
return TRUE;
}
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/***********************************************************************
* LockWorkStation (USER32.@)
*/
BOOL WINAPI LockWorkStation(void)
{
TRACE(": stub\n");
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
}
/***********************************************************************
* RegisterServicesProcess (USER32.@)
*/
int WINAPI RegisterServicesProcess(DWORD ServicesProcessId)
{
FIXME("(0x%x): stub\n", ServicesProcessId);
return 0;
}