148 lines
3.7 KiB
C
148 lines
3.7 KiB
C
/*
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* Misc. USER functions
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*
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* Copyright 1993 Robert J. Amstadt
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* 1996 Alex Korobka
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "windows.h"
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#include "gdi.h"
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#include "user.h"
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#include "task.h"
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#include "queue.h"
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#include "win.h"
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#include "hook.h"
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#include "debug.h"
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#include "toolhelp.h"
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#include "message.h"
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WORD USER_HeapSel = 0;
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extern HTASK16 TASK_GetNextTask(HTASK16);
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extern BOOL32 MENU_SwitchTPWndTo(HTASK16);
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/***********************************************************************
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* GetFreeSystemResources (USER.284)
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*/
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WORD GetFreeSystemResources( WORD resType )
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{
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int userPercent, gdiPercent;
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switch(resType)
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{
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case GFSR_USERRESOURCES:
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userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
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LOCAL_HeapSize( USER_HeapSel );
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gdiPercent = 100;
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break;
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case GFSR_GDIRESOURCES:
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gdiPercent = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
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LOCAL_HeapSize( GDI_HeapSel );
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userPercent = 100;
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break;
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case GFSR_SYSTEMRESOURCES:
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userPercent = (int)LOCAL_CountFree( USER_HeapSel ) * 100 /
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LOCAL_HeapSize( USER_HeapSel );
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gdiPercent = (int)LOCAL_CountFree( GDI_HeapSel ) * 100 /
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LOCAL_HeapSize( GDI_HeapSel );
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break;
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default:
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return 0;
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}
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return (WORD)MIN( userPercent, gdiPercent );
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}
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/***********************************************************************
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* SystemHeapInfo (TOOLHELP.71)
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*/
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BOOL16 SystemHeapInfo( SYSHEAPINFO *pHeapInfo )
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{
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pHeapInfo->wUserFreePercent = GetFreeSystemResources( GFSR_USERRESOURCES );
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pHeapInfo->wGDIFreePercent = GetFreeSystemResources( GFSR_GDIRESOURCES );
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pHeapInfo->hUserSegment = USER_HeapSel;
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pHeapInfo->hGDISegment = GDI_HeapSel;
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return TRUE;
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}
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/***********************************************************************
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* TimerCount (TOOLHELP.80)
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*/
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BOOL16 TimerCount( TIMERINFO *pTimerInfo )
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{
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/* FIXME
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* In standard mode, dwmsSinceStart = dwmsThisVM
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*
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* I tested this, under Windows in enhanced mode, and
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* if you never switch VM (ie start/stop DOS) these
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* values should be the same as well.
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*
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* Also, Wine should adjust for the hardware timer
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* to reduce the amount of error to ~1ms.
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* I can't be bothered, can you?
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*/
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pTimerInfo->dwmsSinceStart = pTimerInfo->dwmsThisVM = GetTickCount();
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return TRUE;
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}
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/**********************************************************************
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* InitApp (USER.5)
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*/
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INT16 InitApp( HINSTANCE16 hInstance )
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{
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int queueSize;
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/* Create task message queue */
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queueSize = GetProfileInt( "windows", "DefaultQueueSize", 8 );
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if (!SetMessageQueue( queueSize )) return 0;
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return 1;
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}
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/**********************************************************************
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* USER_AppExit
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*/
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void USER_AppExit( HTASK16 hTask, HINSTANCE16 hInstance, HQUEUE16 hQueue )
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{
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/* FIXME: flush send messages (which are not implemented yet),
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* empty clipboard if needed, maybe destroy menus (Windows
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* only complains about them but does nothing);
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*/
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WND* desktop = WIN_GetDesktop();
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/* Patch desktop window */
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if( desktop->hmemTaskQ == hQueue )
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desktop->hmemTaskQ = GetTaskQueue(TASK_GetNextTask(hTask));
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/* Patch resident popup menu window */
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MENU_SwitchTPWndTo(0);
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/* Nuke timers */
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TIMER_RemoveQueueTimers( hQueue );
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HOOK_FreeQueueHooks( hQueue );
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QUEUE_SetDoomedQueue( hQueue );
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/* Nuke orphaned windows */
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WIN_DestroyQueueWindows( desktop->child, hQueue );
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QUEUE_SetDoomedQueue( 0 );
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/* Free the message queue */
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QUEUE_DeleteMsgQueue( hQueue );
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}
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