4 * Copyright 1993 Robert J. Amstadt
17 #include "clipboard.h"
28 /***********************************************************************
29 * GetFreeSystemResources (USER.284)
31 WORD WINAPI GetFreeSystemResources( WORD resType )
33 int userPercent, gdiPercent;
37 case GFSR_USERRESOURCES:
38 userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
39 LOCAL_HeapSize( USER_HeapSel );
43 case GFSR_GDIRESOURCES:
44 gdiPercent = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
45 LOCAL_HeapSize( GDI_HeapSel );
49 case GFSR_SYSTEMRESOURCES:
50 userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
51 LOCAL_HeapSize( USER_HeapSel );
52 gdiPercent = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
53 LOCAL_HeapSize( GDI_HeapSel );
59 return (WORD)MIN( userPercent, gdiPercent );
63 /***********************************************************************
64 * SystemHeapInfo (TOOLHELP.71)
66 BOOL16 WINAPI SystemHeapInfo( SYSHEAPINFO *pHeapInfo )
68 pHeapInfo->wUserFreePercent = GetFreeSystemResources( GFSR_USERRESOURCES );
69 pHeapInfo->wGDIFreePercent = GetFreeSystemResources( GFSR_GDIRESOURCES );
70 pHeapInfo->hUserSegment = USER_HeapSel;
71 pHeapInfo->hGDISegment = GDI_HeapSel;
76 /***********************************************************************
77 * TimerCount (TOOLHELP.80)
79 BOOL16 WINAPI TimerCount( TIMERINFO *pTimerInfo )
82 * In standard mode, dwmsSinceStart = dwmsThisVM
84 * I tested this, under Windows in enhanced mode, and
85 * if you never switch VM (ie start/stop DOS) these
86 * values should be the same as well.
88 * Also, Wine should adjust for the hardware timer
89 * to reduce the amount of error to ~1ms.
90 * I can't be bothered, can you?
92 pTimerInfo->dwmsSinceStart = pTimerInfo->dwmsThisVM = GetTickCount();
96 static RESOURCEHANDLER16 __r16loader = NULL;
98 /**********************************************************************
99 * USER_CallDefaultRsrcHandler
101 * Called by the LoadDIBIcon/CursorHandler().
103 HGLOBAL16 USER_CallDefaultRsrcHandler( HGLOBAL16 hMemObj, HMODULE16 hModule, HRSRC16 hRsrc )
105 return __r16loader( hMemObj, hModule, hRsrc );
108 /**********************************************************************
109 * USER_InstallRsrcHandler
111 static void USER_InstallRsrcHandler( HINSTANCE16 hInstance )
115 /* SetResourceHandler() returns previous function which is set
116 * when a module's resource table is loaded. */
118 proc = SetResourceHandler( hInstance, RT_ICON16,
119 (FARPROC32)LoadDIBIconHandler );
121 __r16loader = (RESOURCEHANDLER16)proc;
122 proc = SetResourceHandler( hInstance, RT_CURSOR16,
123 (FARPROC32)LoadDIBCursorHandler );
125 __r16loader = (RESOURCEHANDLER16)proc;
128 /**********************************************************************
131 INT16 WINAPI InitApp( HINSTANCE16 hInstance )
135 /* InitTask() calls LibMain()'s of implicitly loaded DLLs
136 * prior to InitApp() so there is no clean way to do
137 * SetTaskSignalHandler() in time. So, broken Windows bypasses
138 * a pTask->userhandler on startup and simply calls a global
139 * function pointer to the default USER signal handler.
142 USER_InstallRsrcHandler( hInstance );
144 /* Hack: restore the divide-by-zero handler */
145 /* FIXME: should set a USER-specific handler that displays a msg box */
146 INT_SetHandler( 0, INT_GetHandler( 0xff ) );
148 /* Create task message queue */
149 queueSize = GetProfileInt32A( "windows", "DefaultQueueSize", 8 );
150 if (!SetMessageQueue32( queueSize )) return 0;
155 /**********************************************************************
158 static void USER_ModuleUnload( HMODULE16 hModule )
160 HOOK_FreeModuleHooks( hModule );
161 CLASS_FreeModuleClasses( hModule );
164 /**********************************************************************
167 static void USER_AppExit( HTASK16 hTask, HINSTANCE16 hInstance, HQUEUE16 hQueue )
169 /* FIXME: empty clipboard if needed, maybe destroy menus (Windows
170 * only complains about them but does nothing);
173 WND* desktop = WIN_GetDesktop();
175 /* Patch desktop window */
176 if( desktop->hmemTaskQ == hQueue )
177 desktop->hmemTaskQ = GetTaskQueue(TASK_GetNextTask(hTask));
179 /* Patch resident popup menu window */
180 MENU_PatchResidentPopup( hQueue, NULL );
182 TIMER_RemoveQueueTimers( hQueue );
184 QUEUE_FlushMessages( hQueue );
185 HOOK_FreeQueueHooks( hQueue );
187 QUEUE_SetExitingQueue( hQueue );
188 WIN_ResetQueueWindows( desktop, hQueue, (HQUEUE16)0);
189 CLIPBOARD_ResetLock( hQueue, 0 );
190 QUEUE_SetExitingQueue( 0 );
192 /* Free the message queue */
194 QUEUE_DeleteMsgQueue( hQueue );
196 /* ModuleUnload() in "Internals" */
198 hInstance = GetExePtr( hInstance );
199 if( GetModuleUsage( hInstance ) <= 1 )
200 USER_ModuleUnload( hInstance );
204 /***********************************************************************
207 * Clean-up everything and exit the Wine process.
208 * This is the back-end of ExitWindows(), called when all windows
209 * have agreed to be terminated.
211 void USER_ExitWindows(void)
213 /* Do the clean-up stuff */
216 SHELL_SaveRegistry();
222 /***********************************************************************
223 * USER_SignalProc (USER.314)
225 void WINAPI USER_SignalProc( HANDLE16 hTaskOrModule, UINT16 uCode,
226 UINT16 uExitFn, HINSTANCE16 hInstance,
232 case USIG_TERMINATION:
233 USER_AppExit( hTaskOrModule, hInstance, hQueue ); /* task */
237 USER_InstallRsrcHandler( hTaskOrModule ); /* module */
240 case USIG_DLL_UNLOAD:
241 USER_ModuleUnload( hTaskOrModule ); /* module */
245 FIXME(msg,"Unimplemented USER signal: %i\n", (int)uCode );
250 /***********************************************************************
251 * ExitWindows16 (USER.7)
253 BOOL16 WINAPI ExitWindows16( DWORD dwReturnCode, UINT16 wReserved )
255 return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
259 /***********************************************************************
260 * ExitWindowsExec16 (USER.246)
262 BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
264 TRACE(system, "Should run the following in DOS-mode: \"%s %s\"\n",
265 lpszExe, lpszParams);
266 return ExitWindowsEx( EWX_LOGOFF, 0xffffffff );
270 /***********************************************************************
271 * ExitWindowsEx (USER32.196)
273 BOOL32 WINAPI ExitWindowsEx( UINT32 flags, DWORD reserved )
279 /* We have to build a list of all windows first, as in EnumWindows */
281 if (!(list = WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL ))) return FALSE;
283 /* Send a WM_QUERYENDSESSION message to every window */
285 for (ppWnd = list, i = 0; *ppWnd; ppWnd++, i++)
287 /* Make sure that the window still exists */
288 if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
289 if (!SendMessage16( (*ppWnd)->hwndSelf, WM_QUERYENDSESSION, 0, 0 ))
294 /* Now notify all windows that got a WM_QUERYENDSESSION of the result */
296 for (ppWnd = list; i > 0; i--, ppWnd++)
298 if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
299 SendMessage16( (*ppWnd)->hwndSelf, WM_ENDSESSION, result, 0 );
301 HeapFree( SystemHeap, 0, list );
303 if (result) USER_ExitWindows();
307 /***********************************************************************
308 * EnumDisplaySettingsA (USER32.592)
310 BOOL32 WINAPI EnumDisplaySettings32A(LPCSTR name,DWORD n,LPDEVMODE32A devmode) {
311 TRACE(system,"(%s,%ld,%p)\n",name,n,devmode);
313 devmode->dmBitsPerPel = DefaultDepthOfScreen(screen);
314 devmode->dmPelsHeight = screenHeight;
315 devmode->dmPelsWidth = screenWidth;
322 /***********************************************************************
323 * SetEventHook (USER.321)
325 * Used by Turbo Debugger for Windows
327 FARPROC16 SetEventHook(FARPROC16 lpfnEventHook)
329 FIXME(hook, "(lpfnEventHook=%08x): stub\n", (UINT32)lpfnEventHook);
333 /***********************************************************************
334 * UserSeeUserDo (USER.216)
336 DWORD WINAPI UserSeeUserDo(WORD wReqType, WORD wParam1, WORD wParam2, WORD wParam3)
340 case USUD_LOCALALLOC:
341 return LOCAL_Alloc(USER_HeapSel, wParam1, wParam3);
343 return LOCAL_Free(USER_HeapSel, wParam1);
344 case USUD_LOCALCOMPACT:
345 return LOCAL_Compact(USER_HeapSel, wParam3, 0);
348 case USUD_FIRSTCLASS:
349 FIXME(local, "return a pointer to the first window class.\n");
352 WARN(local, "wReqType %04x (unknown)", wReqType);