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Sweden-Number/dlls/user/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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winreg.h"
#include "tlhelp32.h"
#include "controls.h"
#include "user_private.h"
#include "win.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(graphics);
USER_DRIVER USER_Driver;
WORD USER_HeapSel = 0; /* USER heap selector */
HMODULE user32_module = 0;
static SYSLEVEL USER_SysLevel;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &USER_SysLevel.crst,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { 0, (DWORD)(__FILE__ ": USER_SysLevel") }
};
static SYSLEVEL USER_SysLevel = { { &critsect_debug, -1, 0, 0, 0, 0 }, 2 };
static HPALETTE (WINAPI *pfnGDISelectPalette)( HDC hdc, HPALETTE hpal, WORD bkgnd );
static UINT (WINAPI *pfnGDIRealizePalette)( HDC hdc );
static HPALETTE hPrimaryPalette;
static HMODULE graphics_driver;
static DWORD exiting_thread_id;
extern void WDML_NotifyThreadDetach(void);
#define GET_USER_FUNC(name) USER_Driver.p##name = (void*)GetProcAddress( graphics_driver, #name )
/* load the graphics driver */
static BOOL load_driver(void)
{
char buffer[MAX_PATH], libname[32], *name, *next;
HKEY hkey;
strcpy( buffer, "x11,tty" ); /* default value */
/* @@ Wine registry key: HKLM\Software\Wine\Drivers */
if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Drivers", &hkey ))
{
DWORD type, count = sizeof(buffer);
RegQueryValueExA( hkey, "Graphics", 0, &type, buffer, &count );
RegCloseKey( hkey );
}
name = buffer;
while (name)
{
next = strchr( name, ',' );
if (next) *next++ = 0;
snprintf( libname, sizeof(libname), "wine%s.drv", name );
if ((graphics_driver = LoadLibraryA( libname )) != 0) break;
name = next;
}
if (!graphics_driver)
{
MESSAGE( "wine: Could not load graphics driver '%s'.\n", buffer );
if (!strcasecmp( buffer, "x11" ))
MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
ExitProcess(1);
}
GET_USER_FUNC(ActivateKeyboardLayout);
GET_USER_FUNC(Beep);
GET_USER_FUNC(GetAsyncKeyState);
GET_USER_FUNC(GetKeyNameText);
GET_USER_FUNC(GetKeyboardLayout);
GET_USER_FUNC(GetKeyboardLayoutList);
GET_USER_FUNC(GetKeyboardLayoutName);
GET_USER_FUNC(LoadKeyboardLayout);
GET_USER_FUNC(MapVirtualKeyEx);
GET_USER_FUNC(SendInput);
GET_USER_FUNC(ToUnicodeEx);
GET_USER_FUNC(UnloadKeyboardLayout);
GET_USER_FUNC(VkKeyScanEx);
GET_USER_FUNC(SetCursor);
GET_USER_FUNC(GetCursorPos);
GET_USER_FUNC(SetCursorPos);
GET_USER_FUNC(GetScreenSaveActive);
GET_USER_FUNC(SetScreenSaveActive);
GET_USER_FUNC(AcquireClipboard);
GET_USER_FUNC(EmptyClipboard);
GET_USER_FUNC(SetClipboardData);
GET_USER_FUNC(GetClipboardData);
GET_USER_FUNC(CountClipboardFormats);
GET_USER_FUNC(EnumClipboardFormats);
GET_USER_FUNC(IsClipboardFormatAvailable);
GET_USER_FUNC(RegisterClipboardFormat);
GET_USER_FUNC(GetClipboardFormatName);
GET_USER_FUNC(EndClipboardUpdate);
GET_USER_FUNC(ResetSelectionOwner);
GET_USER_FUNC(ChangeDisplaySettingsExW);
GET_USER_FUNC(EnumDisplaySettingsExW);
GET_USER_FUNC(CreateWindow);
GET_USER_FUNC(DestroyWindow);
GET_USER_FUNC(GetDCEx);
GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
GET_USER_FUNC(ReleaseDC);
GET_USER_FUNC(ScrollDC);
GET_USER_FUNC(SetFocus);
GET_USER_FUNC(SetParent);
GET_USER_FUNC(SetWindowPos);
GET_USER_FUNC(SetWindowRgn);
GET_USER_FUNC(SetWindowIcon);
GET_USER_FUNC(SetWindowStyle);
GET_USER_FUNC(SetWindowText);
GET_USER_FUNC(ShowWindow);
GET_USER_FUNC(SysCommandSizeMove);
GET_USER_FUNC(WindowFromDC);
GET_USER_FUNC(WindowMessage);
return TRUE;
}
/***********************************************************************
* USER_Lock
*/
void USER_Lock(void)
{
_EnterSysLevel( &USER_SysLevel );
}
/***********************************************************************
* USER_Unlock
*/
void USER_Unlock(void)
{
_LeaveSysLevel( &USER_SysLevel );
}
/***********************************************************************
* USER_CheckNotLock
*
* Make sure that we don't hold the user lock.
*/
void USER_CheckNotLock(void)
{
_CheckNotSysLevel( &USER_SysLevel );
}
/***********************************************************************
* 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" );
}
/***********************************************************************
* USER initialisation routine
*/
static BOOL process_attach(void)
{
HINSTANCE16 instance;
/* Create USER heap */
if ((instance = LoadLibrary16( "USER.EXE" )) >= 32) USER_HeapSel = instance | 7;
else
{
USER_HeapSel = GlobalAlloc16( GMEM_FIXED, 65536 );
LocalInit16( USER_HeapSel, 32, 65534 );
}
/* some Win9x dlls expect keyboard to be loaded */
if (GetVersion() & 0x80000000) LoadLibrary16( "keyboard.drv" );
/* Load the graphics driver */
if (!load_driver()) return FALSE;
/* Initialize system colors and metrics */
SYSPARAMS_Init();
/* Setup palette function pointers */
palette_init();
/* Initialize built-in window classes */
CLASS_RegisterBuiltinClasses();
/* Initialize menus */
if (!MENU_Init()) return FALSE;
/* Initialize message spying */
if (!SPY_Init()) return FALSE;
/* Create desktop window */
if (!WIN_CreateDesktopWindow()) return FALSE;
return TRUE;
}
/**********************************************************************
* USER_IsExitingThread
*/
BOOL USER_IsExitingThread( DWORD tid )
{
return (tid == exiting_thread_id);
}
/**********************************************************************
* thread_detach
*/
static void thread_detach(void)
{
exiting_thread_id = GetCurrentThreadId();
WDML_NotifyThreadDetach();
WIN_DestroyThreadWindows( GetDesktopWindow() );
CloseHandle( get_user_thread_info()->server_queue );
exiting_thread_id = 0;
}
/**********************************************************************
* process_detach
*/
static void process_detach(void)
{
memset(&USER_Driver, 0, sizeof(USER_Driver));
FreeLibrary(graphics_driver);
}
/***********************************************************************
* UserClientDllInitialize (USER32.@)
*
* USER dll initialisation routine (exported as UserClientDllInitialize for compatibility).
*/
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_PROCESS_DETACH:
process_detach();
break;
case DLL_THREAD_DETACH:
thread_detach();
break;
}
return ret;
}
/***********************************************************************
* USER_GetProcessHandleList(Internal)
*/
static HANDLE *USER_GetProcessHandleList(void)
{
DWORD count, i, n;
HANDLE *list;
PROCESSENTRY32 pe;
HANDLE hSnapshot;
BOOL r;
hSnapshot = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
if (!hSnapshot)
{
ERR("cannot create snapshot\n");
return FALSE;
}
/* count the number of processes plus one */
for (count=0; ;count++)
{
pe.dwSize = sizeof pe;
if (count)
r = Process32Next( hSnapshot, &pe );
else
r = Process32First( hSnapshot, &pe );
if (!r)
break;
}
/* allocate memory make a list of the process handles */
list = HeapAlloc( GetProcessHeap(), 0, (count+1)*sizeof(HANDLE) );
n=0;
for (i=0; i<count; i++)
{
pe.dwSize = sizeof pe;
if (i)
r = Process32Next( hSnapshot, &pe );
else
r = Process32First( hSnapshot, &pe );
if (!r)
break;
/* don't kill ourselves */
if (GetCurrentProcessId() == pe.th32ProcessID )
continue;
/* open the process so we don't can track it */
list[n] = OpenProcess( PROCESS_QUERY_INFORMATION|
PROCESS_TERMINATE,
FALSE, pe.th32ProcessID );
/* check it didn't terminate already */
if( list[n] )
n++;
}
list[n]=0;
CloseHandle( hSnapshot );
if (!r)
ERR("Error enumerating processes\n");
TRACE("return %lu processes\n", n);
return list;
}
/***********************************************************************
* USER_KillProcesses (Internal)
*/
static DWORD USER_KillProcesses(void)
{
DWORD n, r, i;
HANDLE *handles;
const DWORD dwShutdownTimeout = 10000;
TRACE("terminating other processes\n");
/* kill it and add it to our list of object to wait on */
handles = USER_GetProcessHandleList();
for (n=0; handles && handles[n]; n++)
TerminateProcess( handles[n], 0 );
/* wait for processes to exit */
for (i=0; i<n; i+=MAXIMUM_WAIT_OBJECTS)
{
int n_objs = ((n-i)>MAXIMUM_WAIT_OBJECTS) ? MAXIMUM_WAIT_OBJECTS : (n-i);
r = WaitForMultipleObjects( n_objs, &handles[i], TRUE, dwShutdownTimeout );
if (r==WAIT_TIMEOUT)
ERR("wait failed!\n");
}
/* close the handles */
for (i=0; i<n; i++)
CloseHandle( handles[i] );
HeapFree( GetProcessHeap(), 0, handles );
return n;
}
/***********************************************************************
* USER_DoShutdown (Internal)
*/
static void USER_DoShutdown(void)
{
DWORD i, n;
const DWORD nRetries = 10;
for (i=0; i<nRetries; i++)
{
n = USER_KillProcesses();
TRACE("Killed %ld processes, attempt %ld\n", n, i);
if(!n)
break;
}
}
/***********************************************************************
* ExitWindowsEx (USER32.@)
*/
BOOL WINAPI ExitWindowsEx( UINT flags, DWORD reserved )
{
int i;
BOOL result = FALSE;
HWND *list, *phwnd;
/* We have to build a list of all windows first, as in EnumWindows */
TRACE("(%x,%lx)\n", flags, reserved);
list = WIN_ListChildren( GetDesktopWindow() );
if (list)
{
/* Send a WM_QUERYENDSESSION message to every window */
for (i = 0; list[i]; i++)
{
/* Make sure that the window still exists */
if (!IsWindow( list[i] )) continue;
if (!SendMessageW( list[i], WM_QUERYENDSESSION, 0, 0 )) break;
}
result = !list[i];
/* Now notify all windows that got a WM_QUERYENDSESSION of the result */
for (phwnd = list; i > 0; i--, phwnd++)
{
if (!IsWindow( *phwnd )) continue;
SendMessageW( *phwnd, WM_ENDSESSION, result, 0 );
}
HeapFree( GetProcessHeap(), 0, list );
if ( !(result || (flags & EWX_FORCE) ))
return FALSE;
}
/* USER_DoShutdown will kill all processes except the current process */
USER_DoShutdown();
if (flags & EWX_REBOOT)
{
WCHAR winebootW[] = { 'w','i','n','e','b','o','o','t',0 };
PROCESS_INFORMATION pi;
STARTUPINFOW si;
memset( &si, 0, sizeof si );
si.cb = sizeof si;
if (CreateProcessW( NULL, winebootW, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi ))
{
CloseHandle( pi.hProcess );
CloseHandle( pi.hThread );
}
else
MESSAGE("wine: Failed to start wineboot\n");
}
if (result) ExitProcess(0);
return TRUE;
}
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