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Sweden-Number/windows/user.c

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/*
* Misc. USER functions
*
* Copyright 1993 Robert J. Amstadt
* 1996 Alex Korobka
*/
#include <stdio.h>
#include <stdlib.h>
#include "windows.h"
#include "resource.h"
#include "heap.h"
#include "gdi.h"
#include "user.h"
#include "task.h"
#include "queue.h"
#include "win.h"
#include "clipboard.h"
#include "hook.h"
#include "debug.h"
#include "toolhelp.h"
#include "message.h"
#include "module.h"
#include "miscemu.h"
#include "shell.h"
extern BOOL32 MENU_PatchResidentPopup( HQUEUE16, WND* );
extern void QUEUE_FlushMessages(HQUEUE16);
/***********************************************************************
* GetFreeSystemResources (USER.284)
*/
WORD WINAPI GetFreeSystemResources( WORD resType )
{
int userPercent, gdiPercent;
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_HeapSel ) * 100 /
LOCAL_HeapSize( GDI_HeapSel );
userPercent = 100;
break;
case GFSR_SYSTEMRESOURCES:
userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
LOCAL_HeapSize( USER_HeapSel );
gdiPercent = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
LOCAL_HeapSize( GDI_HeapSel );
break;
default:
return 0;
}
return (WORD)MIN( userPercent, gdiPercent );
}
/***********************************************************************
* SystemHeapInfo (TOOLHELP.71)
*/
BOOL16 WINAPI SystemHeapInfo( SYSHEAPINFO *pHeapInfo )
{
pHeapInfo->wUserFreePercent = GetFreeSystemResources( GFSR_USERRESOURCES );
pHeapInfo->wGDIFreePercent = GetFreeSystemResources( GFSR_GDIRESOURCES );
pHeapInfo->hUserSegment = USER_HeapSel;
pHeapInfo->hGDISegment = GDI_HeapSel;
return TRUE;
}
/***********************************************************************
* TimerCount (TOOLHELP.80)
*/
BOOL16 WINAPI TimerCount( TIMERINFO *pTimerInfo )
{
/* FIXME
* In standard mode, dwmsSinceStart = dwmsThisVM
*
* I tested this, under Windows in enhanced mode, and
* if you never switch VM (ie start/stop DOS) these
* values should be the same as well.
*
* Also, Wine should adjust for the hardware timer
* to reduce the amount of error to ~1ms.
* I can't be bothered, can you?
*/
pTimerInfo->dwmsSinceStart = pTimerInfo->dwmsThisVM = GetTickCount();
return TRUE;
}
static RESOURCEHANDLER16 __r16loader = NULL;
/**********************************************************************
* USER_CallDefaultRsrcHandler
*
* Called by the LoadDIBIcon/CursorHandler().
*/
HGLOBAL16 USER_CallDefaultRsrcHandler( HGLOBAL16 hMemObj, HMODULE16 hModule, HRSRC16 hRsrc )
{
return __r16loader( hMemObj, hModule, hRsrc );
}
/**********************************************************************
* USER_InstallRsrcHandler
*/
static void USER_InstallRsrcHandler( HINSTANCE16 hInstance )
{
FARPROC16 proc;
/* SetResourceHandler() returns previous function which is set
* when a module's resource table is loaded. */
proc = SetResourceHandler( hInstance, RT_ICON16,
(FARPROC32)LoadDIBIconHandler );
if(!__r16loader )
__r16loader = (RESOURCEHANDLER16)proc;
proc = SetResourceHandler( hInstance, RT_CURSOR16,
(FARPROC32)LoadDIBCursorHandler );
if(!__r16loader )
__r16loader = (RESOURCEHANDLER16)proc;
}
/**********************************************************************
* InitApp (USER.5)
*/
INT16 WINAPI InitApp( HINSTANCE16 hInstance )
{
int queueSize;
/* InitTask() calls LibMain()'s of implicitly loaded DLLs
* prior to InitApp() so there is no clean way to do
* SetTaskSignalHandler() in time. So, broken Windows bypasses
* a pTask->userhandler on startup and simply calls a global
* function pointer to the default USER signal handler.
*/
USER_InstallRsrcHandler( hInstance );
/* Hack: restore the divide-by-zero handler */
/* FIXME: should set a USER-specific handler that displays a msg box */
INT_SetHandler( 0, INT_GetHandler( 0xff ) );
/* Create task message queue */
queueSize = GetProfileInt32A( "windows", "DefaultQueueSize", 8 );
if (!SetMessageQueue32( queueSize )) return 0;
return 1;
}
/**********************************************************************
* USER_ModuleUnload
*/
static void USER_ModuleUnload( HMODULE16 hModule )
{
HOOK_FreeModuleHooks( hModule );
CLASS_FreeModuleClasses( hModule );
}
/**********************************************************************
* USER_AppExit
*/
static void USER_AppExit( HTASK16 hTask, HINSTANCE16 hInstance, HQUEUE16 hQueue )
{
/* FIXME: empty clipboard if needed, maybe destroy menus (Windows
* only complains about them but does nothing);
*/
WND* desktop = WIN_GetDesktop();
/* Patch desktop window */
if( desktop->hmemTaskQ == hQueue )
desktop->hmemTaskQ = GetTaskQueue(TASK_GetNextTask(hTask));
/* Patch resident popup menu window */
MENU_PatchResidentPopup( hQueue, NULL );
TIMER_RemoveQueueTimers( hQueue );
QUEUE_FlushMessages( hQueue );
HOOK_FreeQueueHooks( hQueue );
QUEUE_SetExitingQueue( hQueue );
WIN_ResetQueueWindows( desktop, hQueue, (HQUEUE16)0);
CLIPBOARD_ResetLock( hQueue, 0 );
QUEUE_SetExitingQueue( 0 );
/* Free the message queue */
QUEUE_DeleteMsgQueue( hQueue );
/* ModuleUnload() in "Internals" */
hInstance = GetExePtr( hInstance );
if( GetModuleUsage( hInstance ) <= 1 )
USER_ModuleUnload( hInstance );
}
/***********************************************************************
* USER_ExitWindows
*
* Clean-up everything and exit the Wine process.
* This is the back-end of ExitWindows(), called when all windows
* have agreed to be terminated.
*/
void USER_ExitWindows(void)
{
/* Do the clean-up stuff */
WriteOutProfiles();
SHELL_SaveRegistry();
exit(0);
}
/***********************************************************************
* USER_SignalProc (USER.314)
*/
void WINAPI USER_SignalProc( HANDLE16 hTaskOrModule, UINT16 uCode,
UINT16 uExitFn, HINSTANCE16 hInstance,
HQUEUE16 hQueue )
{
switch( uCode )
{
case USIG_GPF:
case USIG_TERMINATION:
USER_AppExit( hTaskOrModule, hInstance, hQueue ); /* task */
break;
case USIG_DLL_LOAD:
USER_InstallRsrcHandler( hTaskOrModule ); /* module */
break;
case USIG_DLL_UNLOAD:
USER_ModuleUnload( hTaskOrModule ); /* module */
break;
default:
fprintf(stderr,"Unimplemented USER signal: %i\n", (int)uCode );
}
}
/***********************************************************************
* ExitWindows16 (USER.7)
*/
BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
{
return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
}
/***********************************************************************
* ExitWindowsExec16 (USER.246)
*/
BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
{
fprintf(stderr, "ExitWindowsExec() : Should run the following in DOS-mode :\n\t\"%s %s\"\n",
lpszExe, lpszParams);
return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
}
/***********************************************************************
* ExitWindowsEx (USER32.196)
*/
BOOL32 WINAPI ExitWindowsEx( UINT32 flags, DWORD reserved )
{
int i;
BOOL32 result;
WND **list, **ppWnd;
/* We have to build a list of all windows first, as in EnumWindows */
if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL ))) return FALSE;
/* Send a WM_QUERYENDSESSION message to every window */
for (ppWnd = list, i = 0; *ppWnd; ppWnd++, i++)
{
/* Make sure that the window still exists */
if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
if (!SendMessage16( (*ppWnd)->hwndSelf, WM_QUERYENDSESSION, 0, 0 ))
break;
}
result = !(*ppWnd);
/* Now notify all windows that got a WM_QUERYENDSESSION of the result */
for (ppWnd = list; i > 0; i--, ppWnd++)
{
if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
SendMessage16( (*ppWnd)->hwndSelf, WM_ENDSESSION, result, 0 );
}
HeapFree( SystemHeap, 0, list );
if (result) USER_ExitWindows();
return FALSE;
}
/***********************************************************************
* EnumDisplaySettingsA (USER32.592)
*/
BOOL32 WINAPI EnumDisplaySettings32A(LPCSTR name,DWORD n,LPDEVMODE32A devmode) {
fprintf(stderr,"EnumDisplaySettings32A(%s,%ld,%p)\n",name,n,devmode);
if (n==0) {
devmode->dmBitsPerPel = DefaultDepthOfScreen(screen);
devmode->dmPelsHeight = screenHeight;
devmode->dmPelsWidth = screenWidth;
return TRUE;
}
return FALSE;
}
/***********************************************************************
* SetEventHook (USER.321)
*
* Used by Turbo Debugger for Windows
*/
FARPROC16 SetEventHook(FARPROC16 lpfnEventHook)
{
fprintf(stderr, "SetEventHook(lpfnEventHook = %08x): stub !\n", (UINT32)lpfnEventHook);
return NULL;
}
/***********************************************************************
* UserSeeUserDo (USER.216)
*/
DWORD WINAPI UserSeeUserDo(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, 0);
case USUD_LOCALHEAP:
return USER_HeapSel;
case USUD_FIRSTCLASS:
FIXME(local, "return a pointer to the first window class.\n");
return (DWORD)-1;
default:
WARN(local, "wReqType %04x (unknown)", wReqType);
return (DWORD)-1;
}
}
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