filemon.c

kmd开发驱动程序的文档

	char		*secondsPtr;
	FILETIME	localTime;
	SYSTEMTIME	systemTime;
	int			msIndex;

	// Split line into columns
	itemcnt = Split( line, '\t', items );
	if ( itemcnt == 0 )
		return FALSE;

	// Determine row number for request
	if ( *items[0] )  {
		// Its a new request.  Put at end.
		row = 0x7FFFFFFF;
	} else {
		// Its a status.  Locate its associated request.
		lvI.mask = LVIF_PARAM;
		lvI.iSubItem = 0;
		for ( row = ListView_GetItemCount(hWndList) - 1; row >= 0; --row )  {
			lvI.iItem = row;
			if ( ListView_GetItem( hWndList, &lvI )  &&  (DWORD)lvI.lParam == seq )
				break;
		}
		if ( row == -1 )
			// No request associated with status.
			return FALSE;
	}

	// Sequence number if a new item
	if ( *items[0] )  {
		_stprintf( msgbuf, _T("%d"), seq );
		lvI.mask		= LVIF_TEXT | LVIF_PARAM;
		lvI.iItem		= row;
		lvI.iSubItem	= 0;
		lvI.pszText		= msgbuf;
		lvI.cchTextMax	= lstrlen( lvI.pszText ) + 1;
		lvI.lParam		= seq;
		row = ListView_InsertItem( hWndList, &lvI );
		if ( row == -1 )  {
			_stprintf( msgbuf, _T("Error adding item %d to list view"), seq );
			MessageBox( hWndList, msgbuf, APPNAME, MB_OK|MB_ICONERROR );
			return FALSE;
		}
        LastRow = row;
	}
	if( !TimeIsDuration ) {

		// no timestamp for completions
		if( dateTime ) {

			if( IsNT ) {
				FileTimeToLocalFileTime( (PFILETIME) &dateTime, &localTime );
				FileTimeToSystemTime( &localTime, &systemTime );
			} else {
				DosDateTimeToFileTime( (WORD) (dateTime >> 48), (WORD) (dateTime >> 32), &localTime );
				FileTimeToSystemTime( &localTime, &systemTime );
				systemTime.wSecond += ((WORD) dateTime) / 1000;
				systemTime.wMilliseconds = ((WORD) dateTime) % 1000;
			}
			GetTimeFormat( LOCALE_USER_DEFAULT, 0,
						   &systemTime, NULL, timeBuf, 64 );
			if( ShowMs ) {

				secondsPtr = strrchr( timeBuf, ':');
				msIndex = (DWORD) (secondsPtr - timeBuf);
				while( timeBuf[msIndex] && timeBuf[msIndex] != ' ') msIndex++;
				strcpy( timeSub, &timeBuf[msIndex] );
				timeBuf[ msIndex ] = 0;
				sprintf( msgbuf, "%s.%03d%s", timeBuf, systemTime.wMilliseconds, timeSub );
			} else {

				strcpy( msgbuf, timeBuf );
			}
			ListView_SetItemText( hWndList, row, 1, msgbuf );
		}

	} else {

		if( IsNT ) {
			elapsed = ((float) perfTime)/(float)PerfFrequency.QuadPart;
			sprintf( msgbuf, "%10.8f", elapsed );
		} else {
			sprintf( msgbuf, "%10.8f", (float) perfTime * 0.8 / 1e6);
		}
		ListView_SetItemText( hWndList, row, 1, msgbuf );
	}

	// Process name
	if ( itemcnt>0 && *items[0] ) {

		ListView_SetItemText( hWndList, row, 2, items[0] );
	}

	// Request type
	if ( itemcnt>1 && *items[1] )  {

		ListView_SetItemText( hWndList, row, 3, items[1] );
	}

	// Path
	if ( itemcnt>2 && *items[2] )  {

		ListView_SetItemText( hWndList, row, 4, items[2] );
	}

	// Result
	if ( itemcnt>4 && *items[4] )  {

		ListView_SetItemText( hWndList, row, 5, items[4] );
	}

	// Additional
	if ( itemcnt>3 && *items[3] )  {

		ListView_SetItemText( hWndList, row, 6, items[3] );
	}
	return TRUE;
}


/******************************************************************************
*
*	FUNCTION:	UpdateStatistics
*
*	PURPOSE:	Clear the statistics window and refill it with the current 
*				contents of the statistics buffer.  Does not refresh the 
*				buffer from the device driver.
*
******************************************************************************/
void UpdateStatistics( HWND hWnd, HWND hList, BOOL Clear )
{
	PENTRY	ptr;
	BOOLEAN itemsAdded = FALSE;
	int		totitems, i;

	// Just return if nothing to do
	if ( !Clear  &&  StatsLen < sizeof(int)+2 )
		return;

	// post hourglass icon
	if( !IsNT ) {
		
		hSaveCursor = SetCursor(hHourGlass);
		SendMessage(hList, WM_SETREDRAW, FALSE, 0);
	}

	// Start with empty list
	if( Clear ) {

		if( IsNT ) {

			ListView_DeleteAllItems( hList );
		} else {

			// Win9x listview clear (or delete) is *very* slow
			Deleting = TRUE;
			totitems = ListView_GetItemCount( hList );
			for(i = 0; i < totitems; i++) {
				ListView_DeleteItem( hList, 0 );
			}
			Deleting = FALSE;
		}
		LastRow = 0;
	}

	// Add all List items from Stats[] data
	for ( ptr = (void *)Stats; (char *)ptr < min(Stats+StatsLen,Stats + sizeof (Stats)); )  {
	 	// Add to list
		size_t len = strlen(ptr->text);
        
		itemsAdded |= ListAppend( hList, ptr->seq, ptr->perftime.QuadPart, 
								ptr->datetime.QuadPart, ptr->text );

		if( IsNT ) {
			
			len += 4; len &= 0xFFFFFFFC; // +1 for null-terminator +3 for 32bit alignment
			ptr = (void *)(ptr->text + len);
		} else 
			ptr = (void *)(ptr->text + len + 1);
	}

	// Empty the buffer
	StatsLen = 0;

	// only do stuff if we added stuff
	if( itemsAdded ) {

		// limit number of lines saved
		if (MaxLines) {
			SendMessage(hList, WM_SETREDRAW, FALSE, 0);
			while ( LastRow > MaxLines ) {
				ListView_DeleteItem ( hList, 0 );
				LastRow--;
			}
			SendMessage(hList, WM_SETREDRAW, TRUE, 0);
		}

		// Scroll so newly added items are visible
		if ( Autoscroll ) {
			if( hBalloon ) DestroyWindow( hBalloon );
			ListView_EnsureVisible( hList, ListView_GetItemCount(hList)-1, FALSE ); 
		}
	}

	if( !IsNT) {
		SendMessage(hList, WM_SETREDRAW, TRUE, 0);
		InvalidateRect( hList, NULL, FALSE );
		SetCursor( hSaveCursor );
	}
}

/****************************************************************************
*
*    FUNCTION: CalcStringEllipsis
*
*    PURPOSE:  Determines if an item will fit in a listview row, and if
*			   not, attaches the appropriate number of '.' to a truncated 
*			   version.
*
****************************************************************************/
BOOL WINAPI CalcStringEllipsis (HDC     hdc, 
                                LPTSTR  szString, 
                                int     cchMax, 
                                UINT    uColWidth) 
{ 
    static TCHAR szEllipsis3[] = TEXT("..."); 
    static TCHAR szEllipsis2[] = TEXT(".."); 
    static TCHAR szEllipsis1[] = TEXT("."); 
    SIZE		sizeString; 
    SIZE		sizeEllipsis3, sizeEllipsis2, sizeEllipsis1; 
    int			cbString; 
    LPTSTR		lpszTemp; 
     
    // Adjust the column width to take into account the edges 
    uColWidth -= 4; 

	// Allocate a string for us to work with.  This way we can mangle the 
    // string and still preserve the return value 
    lpszTemp = (LPTSTR)HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, cchMax); 
    if (!lpszTemp) return FALSE;
    lstrcpy (lpszTemp, szString); 
 
    // Get the width of the string in pixels 
    cbString = lstrlen(lpszTemp); 
    if (!GetTextExtentPoint32 (hdc, lpszTemp, cbString, &sizeString)) {
        HeapFree (GetProcessHeap(), 0, (LPVOID)lpszTemp); 
		return FALSE;
    } 
 
    // If the width of the string is greater than the column width shave 
    // the string and add the ellipsis 
    if ((ULONG)sizeString.cx > uColWidth) {
		
        if (!GetTextExtentPoint32 (hdc, 
                                   szEllipsis3, 
                                   lstrlen(szEllipsis3), 
                                   &sizeEllipsis3)) {
			HeapFree (GetProcessHeap(), 0, (LPVOID)lpszTemp); 
			return FALSE;
        } 
        if (!GetTextExtentPoint32 (hdc, 
                                   szEllipsis2, 
                                   lstrlen(szEllipsis2), 
                                   &sizeEllipsis2)) {
			HeapFree (GetProcessHeap(), 0, (LPVOID)lpszTemp); 
			return FALSE;
        } 
        if (!GetTextExtentPoint32 (hdc, 
                                   szEllipsis1, 
                                   lstrlen(szEllipsis1), 
                                   &sizeEllipsis1)) {
			HeapFree (GetProcessHeap(), 0, (LPVOID)lpszTemp); 
			return FALSE;
        } 
 
        while (cbString > 0) { 

			lpszTemp[--cbString] = 0; 
			if (!GetTextExtentPoint32 (hdc, lpszTemp, cbString, &sizeString)) {
 				HeapFree (GetProcessHeap(), 0, (LPVOID)lpszTemp); 
				return FALSE;
			} 
			if ((ULONG)(sizeString.cx + DOTOFFSET + sizeEllipsis3.cx) <= uColWidth) { 
				break;
			} 
        } 
		lpszTemp[0] = szString[0];
 		if((ULONG)(sizeString.cx + DOTOFFSET + sizeEllipsis3.cx) <= uColWidth) { 
			lstrcat (lpszTemp, szEllipsis3); 
		} else if((ULONG)(sizeString.cx + DOTOFFSET + sizeEllipsis2.cx) <= uColWidth) { 
			lstrcat (lpszTemp, szEllipsis2); 
		} else if((ULONG)(sizeString.cx + DOTOFFSET + sizeEllipsis1.cx) <= uColWidth) { 
			lstrcat (lpszTemp, szEllipsis1); 
		} else {
			lpszTemp[0] = szString[0];
		}
        lstrcpy (szString, lpszTemp); 
 		HeapFree (GetProcessHeap(), 0, (LPVOID)lpszTemp); 
		return TRUE;

    } else {

		HeapFree (GetProcessHeap(), 0, (LPVOID)lpszTemp); 
		return TRUE;
	}

	HeapFree (GetProcessHeap(), 0, (LPVOID)lpszTemp); 
	return FALSE;
} 


/****************************************************************************
*
*    FUNCTION: DrawItemColumn
*
*    PURPOSE:  Draws text to the listview.
*
****************************************************************************/
void WINAPI DrawItemColumn (HDC hdc, LPTSTR szText, LPRECT prcClip) 
{ 
    TCHAR szString[MAXITEMLENGTH]; 

    // Check to see if the string fits in the clip rect.  If not, truncate 
    // the string and add "...". 
    lstrcpy(szString, szText); 
    CalcStringEllipsis (hdc, szString, sizeof( szString ), prcClip->right - prcClip->left); 
    ExtTextOut (hdc, 
                prcClip->left + 2, 
                prcClip->top + 1, 
                ETO_CLIPPED | ETO_OPAQUE, 
                prcClip, 
                szString, 
                lstrlen(szString), 
                NULL); 
} 


/****************************************************************************
*
*    FUNCTION: DrawListViewItem
*
*    PURPOSE:  Handles a request from Windows to draw one of the lines
*				in the listview window.
*
****************************************************************************/
void DrawListViewItem(LPDRAWITEMSTRUCT lpDrawItem)
{
	TCHAR 		colString[NUMCOLUMNS][MAXITEMLENGTH];
	BOOLEAN		highlight = FALSE;
    LV_ITEM		lvi;
    RECT		rcClip;
    int			iColumn;
	DWORD		width, leftOffset;
	UINT		uiFlags = ILD_TRANSPARENT;

    // Get the item image to be displayed
    lvi.mask = LVIF_IMAGE | LVIF_STATE;
    lvi.iItem = lpDrawItem->itemID;
    lvi.iSubItem = 0;
    ListView_GetItem(lpDrawItem->hwndItem, &lvi);

	// Get the column text and see if there is a highlight
	for( iColumn = 0; iColumn < NUMCOLUMNS; iColumn++ ) {
		colString[iColumn][0] = 0;
		ListView_GetItemText( hWndList, lpDrawItem->itemID,
							  iColumn, colString[iColumn], 
							  MAXITEMLENGTH);
		if( !highlight && iColumn != 0) {

			highlight = MatchWithHighlightPattern( colString[iColumn] );
		}
	}

    // Check to see if this item is selected
	if (lpDrawItem->itemState & ODS_SELECTED) {

        // Set the text background and foreground colors
		SetTextColor(lpDrawItem->hDC, GetSysColor(COLOR_HIGHLIGHTTEXT));
        SetBkColor(lpDrawItem->hDC, GetSysColor(COLOR_HIGHLIGHT));

		// Also add the ILD_BLEND50 so the images come out selected
		uiFlags |= ILD_BLEND50;
    } else {
        // Set the text background and foreground colors to the standard window
        // colors
		if( highlight ) {
			SetTextColor(lpDrawItem->hDC, HighlightFg ); 
	        SetBkColor(lpDrawItem->hDC, HighlightBg );
		} else {
			SetTextColor(lpDrawItem->hDC, GetSysColor(COLOR_WINDOWTEXT));
			SetBkColor(lpDrawItem->hDC, GetSysColor(COLOR_WINDOW));
		}
    }

    // Set up the new clipping rect for the first column text and draw it
	leftOffset = 0;
	for( iColumn = 0; iColumn< NUMCOLUMNS; iColumn++ ) {

		width = ListView_GetColumnWidth( hWndList, iColumn );
		rcClip.left		= lpDrawItem->rcItem.left + leftOffset;
		rcClip.right	= lpDrawItem->rcItem.left + leftOffset + width;
		rcClip.top		= lpDrawItem->rcItem.top;
		rcClip.bottom	= lpDrawItem->rcItem.bottom;

		DrawItemColumn(lpDrawItem->hDC, colString[iColumn], &rcClip);
		leftOffset += width;
	}

    // If we changed the colors for the selected item, undo it
    if (lpDrawItem->itemState & ODS_SELECTED) {
        // Set the text background and foreground colors
        SetTextColor(lpDrawItem->hDC, GetSysColor(COLOR_WINDOWTEXT));
        SetBkColor(lpDrawItem->hDC, GetSysColor(COLOR_WINDOW));
    }

    // If the item is focused, now draw a focus rect around the entire row
    if (lpDrawItem->itemState & ODS_FOCUS)
    {
        // Adjust the left edge to exclude the image
        rcClip = lpDrawItem->rcItem;

        // Draw the focus rect
        DrawFocusRect(lpDrawItem->hDC, &rcClip);
    }
}


/****************************************************************************
* 
*    FUNCTION: ListViewSubclass(HWND,UINT,WPARAM)
*
*    PURPOSE:  Subclasses the listview so that we can do tooltips
*
****************************************************************************/
LRESULT CALLBACK ListViewSubclass(HWND hWnd, UINT uMsg, WPARAM wParam,
        LPARAM lParam)
{
	ITEM_CLICK		itemClick;
	LVHITTESTINFO	hitItem;
	static initTrack = FALSE;
	POINT           hitPoint, topleftPoint, bottomrightPoint;
	RECT			listRect;
	static POINTS  mousePosition;

	if( !initTrack ) {

		SetTimer( hWnd,	2, BALLOONDELAY, NULL );
		initTrack = TRUE;