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Sweden-Number/windows/user.c

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/*
* Misc. USER functions
*
* Copyright 1993 Robert J. Amstadt
* 1996 Alex Korobka
*
* 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 <stdlib.h>
#include <string.h>
#include "wine/winbase16.h"
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "wine/winuser16.h"
#include "winreg.h"
#include "winternl.h"
#include "tlhelp32.h"
#include "user_private.h"
#include "win.h"
#include "controls.h"
#include "cursoricon.h"
#include "local.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(user);
/* USER signal proc flags and codes */
/* See UserSignalProc for comments */
#define USIG_FLAGS_WIN32 0x0001
#define USIG_FLAGS_GUI 0x0002
#define USIG_FLAGS_FEEDBACK 0x0004
#define USIG_FLAGS_FAULT 0x0008
#define USIG_DLL_UNLOAD_WIN16 0x0001
#define USIG_DLL_UNLOAD_WIN32 0x0002
#define USIG_FAULT_DIALOG_PUSH 0x0003
#define USIG_FAULT_DIALOG_POP 0x0004
#define USIG_DLL_UNLOAD_ORPHANS 0x0005
#define USIG_THREAD_INIT 0x0010
#define USIG_THREAD_EXIT 0x0020
#define USIG_PROCESS_CREATE 0x0100
#define USIG_PROCESS_INIT 0x0200
#define USIG_PROCESS_EXIT 0x0300
#define USIG_PROCESS_DESTROY 0x0400
#define USIG_PROCESS_RUNNING 0x0500
#define USIG_PROCESS_LOADED 0x0600
/* UserSeeUserDo parameters */
#define USUD_LOCALALLOC 0x0001
#define USUD_LOCALFREE 0x0002
#define USUD_LOCALCOMPACT 0x0003
#define USUD_LOCALHEAP 0x0004
#define USUD_FIRSTCLASS 0x0005
/***********************************************************************
* GetFreeSystemResources (USER.284)
*/
WORD WINAPI GetFreeSystemResources16( WORD resType )
{
HINSTANCE16 gdi_inst;
WORD gdi_heap;
int userPercent, gdiPercent;
if ((gdi_inst = LoadLibrary16( "GDI" )) < 32) return 0;
gdi_heap = gdi_inst | 7;
switch(resType)
{
case GFSR_USERRESOURCES:
userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
LOCAL_HeapSize( USER_HeapSel );
gdiPercent = 100;
break;
case GFSR_GDIRESOURCES:
gdiPercent = (int)LOCAL_CountFree( gdi_inst ) * 100 /
LOCAL_HeapSize( gdi_inst );
userPercent = 100;
break;
case GFSR_SYSTEMRESOURCES:
userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
LOCAL_HeapSize( USER_HeapSel );
gdiPercent = (int)LOCAL_CountFree( gdi_inst ) * 100 /
LOCAL_HeapSize( gdi_inst );
break;
default:
userPercent = gdiPercent = 0;
break;
}
FreeLibrary16( gdi_inst );
TRACE("<- userPercent %d, gdiPercent %d\n", userPercent, gdiPercent);
return (WORD)min( userPercent, gdiPercent );
}
/***********************************************************************
* SignalProc32 (USER.391)
* UserSignalProc (USER32.@)
*
* The exact meaning of the USER signals is undocumented, but this
* should cover the basic idea:
*
* USIG_DLL_UNLOAD_WIN16
* This is sent when a 16-bit module is unloaded.
*
* USIG_DLL_UNLOAD_WIN32
* This is sent when a 32-bit module is unloaded.
*
* USIG_DLL_UNLOAD_ORPHANS
* This is sent after the last Win3.1 module is unloaded,
* to allow removal of orphaned menus.
*
* USIG_FAULT_DIALOG_PUSH
* USIG_FAULT_DIALOG_POP
* These are called to allow USER to prepare for displaying a
* fault dialog, even though the fault might have happened while
* inside a USER critical section.
*
* USIG_THREAD_INIT
* This is called from the context of a new thread, as soon as it
* has started to run.
*
* USIG_THREAD_EXIT
* This is called, still in its context, just before a thread is
* about to terminate.
*
* USIG_PROCESS_CREATE
* This is called, in the parent process context, after a new process
* has been created.
*
* USIG_PROCESS_INIT
* This is called in the new process context, just after the main thread
* has started execution (after the main thread's USIG_THREAD_INIT has
* been sent).
*
* USIG_PROCESS_LOADED
* This is called after the executable file has been loaded into the
* new process context.
*
* USIG_PROCESS_RUNNING
* This is called immediately before the main entry point is called.
*
* USIG_PROCESS_EXIT
* This is called in the context of a process that is about to
* terminate (but before the last thread's USIG_THREAD_EXIT has
* been sent).
*
* USIG_PROCESS_DESTROY
* This is called after a process has terminated.
*
*
* The meaning of the dwFlags bits is as follows:
*
* USIG_FLAGS_WIN32
* Current process is 32-bit.
*
* USIG_FLAGS_GUI
* Current process is a (Win32) GUI process.
*
* USIG_FLAGS_FEEDBACK
* Current process needs 'feedback' (determined from the STARTUPINFO
* flags STARTF_FORCEONFEEDBACK / STARTF_FORCEOFFFEEDBACK).
*
* USIG_FLAGS_FAULT
* The signal is being sent due to a fault.
*/
WORD WINAPI UserSignalProc( UINT uCode, DWORD dwThreadOrProcessID,
DWORD dwFlags, HMODULE16 hModule )
{
FIXME("(%04x, %08lx, %04lx, %04x)\n",
uCode, dwThreadOrProcessID, dwFlags, hModule );
/* FIXME: Should chain to GdiSignalProc now. */
return 0;
}
/***********************************************************************
* 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;
}
}
/***********************************************************************
* USER_StartRebootProcess (Internal)
*/
static BOOL USER_StartRebootProcess(void)
{
WCHAR winebootW[] = { 'w','i','n','e','b','o','o','t',0 };
PROCESS_INFORMATION pi;
STARTUPINFOW si;
BOOL r;
memset( &si, 0, sizeof si );
si.cb = sizeof si;
r = CreateProcessW( NULL, winebootW, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi );
if (r)
{
CloseHandle( pi.hProcess );
CloseHandle( pi.hThread );
}
else
MESSAGE("wine: Failed to start wineboot\n");
return r;
}
/***********************************************************************
* 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)
USER_StartRebootProcess();
if (result) ExitProcess(0);
return TRUE;
}
/***********************************************************************
* ChangeDisplaySettingsA (USER32.@)
*/
LONG WINAPI ChangeDisplaySettingsA( LPDEVMODEA devmode, DWORD flags )
{
return ChangeDisplaySettingsExA(NULL,devmode,NULL,flags,NULL);
}
/***********************************************************************
* ChangeDisplaySettingsW (USER32.@)
*/
LONG WINAPI ChangeDisplaySettingsW( LPDEVMODEW devmode, DWORD flags )
{
return ChangeDisplaySettingsExW(NULL,devmode,NULL,flags,NULL);
}
/***********************************************************************
* ChangeDisplaySettingsExA (USER32.@)
*/
LONG WINAPI ChangeDisplaySettingsExA(
LPCSTR devname, LPDEVMODEA devmode, HWND hwnd, DWORD flags,
LPVOID lparam
) {
DEVMODEW devmodeW;
LONG ret;
UNICODE_STRING nameW;
if (devname) RtlCreateUnicodeStringFromAsciiz(&nameW, devname);
else nameW.Buffer = NULL;
if (devmode)
{
devmodeW.dmBitsPerPel = devmode->dmBitsPerPel;
devmodeW.dmPelsHeight = devmode->dmPelsHeight;
devmodeW.dmPelsWidth = devmode->dmPelsWidth;
devmodeW.dmDisplayFlags = devmode->dmDisplayFlags;
devmodeW.dmDisplayFrequency = devmode->dmDisplayFrequency;
devmodeW.dmFields = devmode->dmFields;
ret = ChangeDisplaySettingsExW(nameW.Buffer, &devmodeW, hwnd, flags, lparam);
}
else
{
ret = ChangeDisplaySettingsExW(nameW.Buffer, NULL, hwnd, flags, lparam);
}
if (devname) RtlFreeUnicodeString(&nameW);
return ret;
}
/***********************************************************************
* ChangeDisplaySettingsExW (USER32.@)
*/
LONG WINAPI ChangeDisplaySettingsExW( LPCWSTR devname, LPDEVMODEW devmode, HWND hwnd,
DWORD flags, LPVOID lparam )
{
/* Pass the request on to the driver */
if (!USER_Driver.pChangeDisplaySettingsExW) return DISP_CHANGE_FAILED;
return USER_Driver.pChangeDisplaySettingsExW( devname, devmode, hwnd, flags, lparam );
}
/***********************************************************************
* EnumDisplaySettingsW (USER32.@)
*
* RETURNS
* TRUE if nth setting exists found (described in the LPDEVMODEW struct)
* FALSE if we do not have the nth setting
*/
BOOL WINAPI EnumDisplaySettingsW(
LPCWSTR name, /* [in] huh? */
DWORD n, /* [in] nth entry in display settings list*/
LPDEVMODEW devmode /* [out] devmode for that setting */
) {
return EnumDisplaySettingsExW(name, n, devmode, 0);
}
/***********************************************************************
* EnumDisplaySettingsA (USER32.@)
*/
BOOL WINAPI EnumDisplaySettingsA(LPCSTR name,DWORD n,LPDEVMODEA devmode)
{
return EnumDisplaySettingsExA(name, n, devmode, 0);
}
/***********************************************************************
* EnumDisplaySettingsExA (USER32.@)
*/
BOOL WINAPI EnumDisplaySettingsExA(LPCSTR lpszDeviceName, DWORD iModeNum,
LPDEVMODEA lpDevMode, DWORD dwFlags)
{
DEVMODEW devmodeW;
BOOL ret;
UNICODE_STRING nameW;
if (lpszDeviceName) RtlCreateUnicodeStringFromAsciiz(&nameW, lpszDeviceName);
else nameW.Buffer = NULL;
ret = EnumDisplaySettingsExW(nameW.Buffer,iModeNum,&devmodeW,dwFlags);
if (ret)
{
lpDevMode->dmBitsPerPel = devmodeW.dmBitsPerPel;
lpDevMode->dmPelsHeight = devmodeW.dmPelsHeight;
lpDevMode->dmPelsWidth = devmodeW.dmPelsWidth;
lpDevMode->dmDisplayFlags = devmodeW.dmDisplayFlags;
lpDevMode->dmDisplayFrequency = devmodeW.dmDisplayFrequency;
lpDevMode->dmFields = devmodeW.dmFields;
}
if (lpszDeviceName) RtlFreeUnicodeString(&nameW);
return ret;
}
/***********************************************************************
* EnumDisplaySettingsExW (USER32.@)
*/
BOOL WINAPI EnumDisplaySettingsExW(LPCWSTR lpszDeviceName, DWORD iModeNum,
LPDEVMODEW lpDevMode, DWORD dwFlags)
{
/* Pass the request on to the driver */
if (!USER_Driver.pEnumDisplaySettingsExW) return FALSE;
return USER_Driver.pEnumDisplaySettingsExW(lpszDeviceName, iModeNum, lpDevMode, dwFlags);
}
/***********************************************************************
* EnumDisplayDevicesA (USER32.@)
*/
BOOL WINAPI EnumDisplayDevicesA(
LPVOID unused,DWORD i,LPDISPLAY_DEVICEA lpDisplayDevice,DWORD dwFlags
) {
if (i)
return FALSE;
FIXME("(%p,%ld,%p,0x%08lx), stub!\n",unused,i,lpDisplayDevice,dwFlags);
strcpy(lpDisplayDevice->DeviceName,"X11");
strcpy(lpDisplayDevice->DeviceString,"X 11 Windowing System");
lpDisplayDevice->StateFlags =
DISPLAY_DEVICE_ATTACHED_TO_DESKTOP |
DISPLAY_DEVICE_PRIMARY_DEVICE |
DISPLAY_DEVICE_VGA_COMPATIBLE;
return TRUE;
}
/***********************************************************************
* EnumDisplayDevicesW (USER32.@)
*/
BOOL WINAPI EnumDisplayDevicesW(
LPVOID unused,DWORD i,LPDISPLAY_DEVICEW lpDisplayDevice,DWORD dwFlags
) {
if (i)
return FALSE;
FIXME("(%p,%ld,%p,0x%08lx), stub!\n",unused,i,lpDisplayDevice,dwFlags);
MultiByteToWideChar( CP_ACP, 0, "X11", -1, lpDisplayDevice->DeviceName,
sizeof(lpDisplayDevice->DeviceName)/sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, "X11 Windowing System", -1, lpDisplayDevice->DeviceString,
sizeof(lpDisplayDevice->DeviceString)/sizeof(WCHAR) );
lpDisplayDevice->StateFlags =
DISPLAY_DEVICE_ATTACHED_TO_DESKTOP |
DISPLAY_DEVICE_PRIMARY_DEVICE |
DISPLAY_DEVICE_VGA_COMPATIBLE;
return TRUE;
}
/***********************************************************************
* UserSeeUserDo (USER.216)
*/
DWORD WINAPI UserSeeUserDo16(WORD wReqType, WORD wParam1, WORD wParam2, WORD wParam3)
{
switch (wReqType)
{
case USUD_LOCALALLOC:
return LOCAL_Alloc(USER_HeapSel, wParam1, wParam3);
case USUD_LOCALFREE:
return LOCAL_Free(USER_HeapSel, wParam1);
case USUD_LOCALCOMPACT:
return LOCAL_Compact(USER_HeapSel, wParam3);
case USUD_LOCALHEAP:
return USER_HeapSel;
case USUD_FIRSTCLASS:
FIXME("return a pointer to the first window class.\n");
return (DWORD)-1;
default:
WARN("wReqType %04x (unknown)\n", wReqType);
return (DWORD)-1;
}
}
/***********************************************************************
* SetSystemCursor (USER32.@)
*/
BOOL WINAPI SetSystemCursor(HCURSOR hcur, DWORD id)
{ FIXME("(%p,%08lx),stub!\n", hcur, id);
return TRUE;
}
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