filemon.c

kmd开发驱动程序的文档

/******************************************************************************
*
*	FUNCTION:	CCHookProc
*
*	PURPOSE:	We use a hook procedure to force the stupid color
*				selection dialog to do what we want, including preview
*				the highlight text.
*
*****************************************************************************/
UINT CALLBACK CCHookProc( HWND hDlg, 
					  UINT uiMsg, WPARAM wParam,  
					  LPARAM lParam )
{
	static HWND	 sample;
	static DWORD  newFg, newBg;
	static UINT colorOkString, setRgbString;

	switch( uiMsg ) {
	case WM_INITDIALOG:
		sample = GetDlgItem( hDlg, IDC_SAMPLE );
		newFg = HighlightFg;
		newBg = HighlightBg;
		colorOkString = RegisterWindowMessage( COLOROKSTRING );
		setRgbString  = RegisterWindowMessage( SETRGBSTRING ); 
		CheckRadioButton( hDlg, IDC_RADIOFG, IDC_RADIOBG, IDC_RADIOFG );
		SendMessage(hDlg, setRgbString, 0, newFg); 
		SetFocus( GetDlgItem( hDlg, IDC_DONE ));
		break;
	case WM_CTLCOLORSTATIC:
		if( (HWND) lParam == sample ) {
			SetBkColor(GET_WM_CTLCOLOR_HDC(wParam, lParam, msg), 
                    newBg); 
			SetTextColor(GET_WM_CTLCOLOR_HDC(wParam, lParam, msg), 
                    newFg); 
            return (BOOL)GetStockObject(WHITE_BRUSH); 		
		}
		break;
	case WM_COMMAND:
		if( wParam == IDC_DONE ) {
			HighlightFg = newFg;
			HighlightBg = newBg;
			PostMessage( hDlg, WM_COMMAND, IDABORT, 0 );
			return FALSE;
		}
		break;
	default:
		if( uiMsg == colorOkString ) {
			if( !IsDlgButtonChecked( hDlg, IDC_RADIOBG )) {
				newFg = ((LPCHOOSECOLOR) lParam)->rgbResult;
				InvalidateRect( sample, NULL, TRUE );
				SendMessage(hDlg, setRgbString, 0, newBg); 
				return TRUE;
			} else {
				newBg = ((LPCHOOSECOLOR) lParam)->rgbResult;
				InvalidateRect( sample, NULL, TRUE );
				SendMessage(hDlg, setRgbString, 0, newFg); 
				return TRUE;
			}
		}
		break;
	}
	return 0;
}


/******************************************************************************
*
*	FUNCTION:	SelectHighlightColors
*
*	PURPOSE:	Let's the user pick the highlight foreground and background
*				colors.
*
*****************************************************************************/
VOID SelectHighlightColors( HWND hWnd )
{
	DWORD			dwColor;
	DWORD			dwCustClrs [16];
	BOOL			fSetColor = FALSE;
	int				i;
	CHOOSECOLOR		chsclr;

	for (i = 0; i < 15; i++)
		dwCustClrs [i] = RGB (255, 255, 255);
	dwColor = RGB (0, 0, 0);
	chsclr.lStructSize = sizeof (CHOOSECOLOR);
	chsclr.hwndOwner = hWnd;
	chsclr.hInstance = (HANDLE) hInst;
	chsclr.rgbResult = dwColor;
	chsclr.lpCustColors = (LPDWORD)dwCustClrs;
	chsclr.lCustData = 0L;
	chsclr.rgbResult = HighlightFg;
	chsclr.lpTemplateName = "CHOOSECOLORFG";
	chsclr.lpfnHook = (LPCCHOOKPROC)(FARPROC)CCHookProc;
	chsclr.Flags = CC_RGBINIT|CC_PREVENTFULLOPEN|
					CC_ENABLEHOOK|CC_ENABLETEMPLATE;
	ChooseColor (&chsclr);
	// Redraw to apply
	InvalidateRect( hWndList, NULL, TRUE );
} 


/******************************************************************************
*
*	FUNCTION:	FindInListview:
*
*	PURPOSE:	Searches for a string in the listview. Note: its okay if
*				items are being added to the list view or the list view
*				is cleared while this search is in progress - the effect
*				is harmless.
*
*****************************************************************************/
BOOLEAN FindInListview(HWND hWnd, LPFINDREPLACE FindInfo )
{
	int		currentItem, clearItem;
	DWORD	i;
	int		subitem, numItems;
	TCHAR	fieldtext[MAXITEMLENGTH];
	BOOLEAN match = FALSE;
	TCHAR	errmsg[MAX_PATH];
	BOOLEAN	goUp;

	// get the search direction
	goUp = ((FindInfo->Flags & FR_DOWN) == FR_DOWN);

	// initialize stuff
	if( !(numItems = ListView_GetItemCount( hWndList ))) {

		MessageBox( hWnd, TEXT("No items to search"), TEXT(APPNAME), 
			MB_OK|MB_ICONWARNING );
		if( hWndFind ) SetForegroundWindow( hWndFind );
		return FALSE;
	}

	// find the item with the focus
	currentItem = ListView_GetNextItem( hWndList, -1, LVNI_SELECTED );

	// if no current item, start at the top or the bottom
	if( currentItem == -1 ) {
		if( goUp )
			currentItem = 0;
		else {
			if( PrevMatch ) {
				sprintf(errmsg, TEXT("Cannot find string \"%s\""), FindInfo->lpstrFindWhat );
				MessageBox( hWnd, errmsg, TEXT(APPNAME), MB_OK|MB_ICONWARNING );
				if( hWndFind ) SetForegroundWindow( hWndFind );
				else SetFocus( hWndList );
				return FALSE;
			}
			currentItem = numItems;
		}
	}

	// if we're continuing a search, start with the next item
	if( PrevMatch && !strcmp( FindString, PrevMatchString ) ) {
		if( goUp ) currentItem++;
		else currentItem--;

		if( (!goUp && currentItem < 0) ||
			(goUp && currentItem >= numItems )) {

			sprintf(errmsg, TEXT("Cannot find string \"%s\""), FindInfo->lpstrFindWhat );
			MessageBox( hWnd, errmsg, TEXT(APPNAME), MB_OK|MB_ICONWARNING );
			if( hWndFind ) SetForegroundWindow( hWndFind );
			else SetFocus( hWndList );
			return FALSE;
		}
	}

	// loop through each item looking for the string
	while( 1 ) {

		// get the item text
		for( subitem = 0; subitem < NUMCOLUMNS; subitem++ ) {
			fieldtext[0] = 0;
			ListView_GetItemText( hWndList, currentItem, subitem, fieldtext, 256 );

			// make sure enought string for a match
			if( strlen( fieldtext ) < strlen( FindInfo->lpstrFindWhat ))
				continue;

			// do a scan all the way through for the substring
			if( FindInfo->Flags & FR_WHOLEWORD ) {

				i = 0;
				while( fieldtext[i] ) {
					while( fieldtext[i] && fieldtext[i] != ' ' ) i++;
					if( FindInfo->Flags & FR_MATCHCASE ) 
						match = !strcmp( fieldtext, FindInfo->lpstrFindWhat );
					else
						match = !stricmp( fieldtext, FindInfo->lpstrFindWhat );
					if( match) break;
					i++;
				}	
			} else {
				for( i = 0; i < strlen( fieldtext ) - strlen(FindInfo->lpstrFindWhat)+1; i++ ) {
					if( FindInfo->Flags & FR_MATCHCASE ) 
						match = !strncmp( &fieldtext[i], FindInfo->lpstrFindWhat, 
											strlen(FindInfo->lpstrFindWhat) );
					else
						match = !strnicmp( &fieldtext[i], FindInfo->lpstrFindWhat,
											strlen(FindInfo->lpstrFindWhat) );
					if( match ) break;
				}		
			}

			if( match ) {

				strcpy( PrevMatchString, FindInfo->lpstrFindWhat );
				PrevMatch = TRUE;
				// Clear all previously-selected items
				while( (clearItem = ListView_GetNextItem( hWndList, -1, LVNI_SELECTED )) != -1 ) {
					ListView_SetItemState( hWndList, clearItem, 0, LVIS_SELECTED|LVIS_FOCUSED );
				}
				ListView_SetItemState( hWndList, currentItem, 
							LVIS_SELECTED|LVIS_FOCUSED,
							LVIS_SELECTED|LVIS_FOCUSED );
				ListView_EnsureVisible( hWndList, currentItem, FALSE ); 
				SetFocus( hWndList );
				return TRUE;
			}
		}
		currentItem = currentItem + (goUp ? 1:-1);
		if( currentItem <= 0 || currentItem == numItems+1 ) {
			// end of the road
			break;
		}
	}
	sprintf(errmsg, TEXT("Cannot find string \"%s\""), FindInfo->lpstrFindWhat );
	MessageBox( hWnd, errmsg, TEXT(APPNAME), MB_OK|MB_ICONWARNING );
	if( hWndFind ) SetForegroundWindow( hWndFind );
	else SetFocus( hWndList );
	return FALSE;
}


/******************************************************************************
*
*	FUNCTION:	PopFindDialog:
*
*	PURPOSE:	Calls the find message dialog box.
*
*****************************************************************************/
void PopFindDialog(HWND hWnd)
{
	_tcscpy( FindString, PrevMatchString );
    FindTextInfo.lStructSize = sizeof( FindTextInfo );
    FindTextInfo.hwndOwner = hWnd;
    FindTextInfo.hInstance = hInst;
    FindTextInfo.lpstrFindWhat = FindString;
    FindTextInfo.lpstrReplaceWith = NULL;
    FindTextInfo.wFindWhatLen = sizeof(FindString);
    FindTextInfo.wReplaceWithLen = 0;
    FindTextInfo.lCustData = 0;
    FindTextInfo.Flags =  FindFlags;
    FindTextInfo.lpfnHook = (LPFRHOOKPROC)(FARPROC)NULL;
    FindTextInfo.lpTemplateName = NULL;

    if ((hWndFind = FindText(&FindTextInfo)) == NULL)
		MessageBox( hWnd, _T("Unable to create Find dialog"), APPNAME, MB_OK|MB_ICONERROR );      
}

/****************************************************************************
*
*	FUNCTION: MatchOkay
*
*	PURPOSE: Only thing left after compare is more mask. This routine makes
*	sure that its a valid wild card ending so that its really a match.
*
****************************************************************************/
BOOLEAN MatchOkay( PCHAR Pattern )
{
    // If pattern isn't empty, it must be a wildcard
    if( *Pattern && *Pattern != '*' ) {
 
       return FALSE;
    }

    // Matched
    return TRUE;
}


/****************************************************************************
*
*	FUNCTION: MatchWithPattern
*
*	PURPOSE: Performs nifty wildcard comparison.
*
****************************************************************************/
BOOLEAN MatchWithPattern( PCHAR Pattern, PCHAR Name )
{
	char matchchar;

    // End of pattern?
    if( !*Pattern ) {
        return FALSE;
    }

    // If we hit a wild card, do recursion
    if( *Pattern == '*' ) {

        Pattern++;
        while( *Name && *Pattern ) {

			matchchar = *Name;
			if( matchchar >= 'a' && 
				matchchar <= 'z' ) {

				matchchar -= 'a' - 'A';
			}

            // See if this substring matches
		    if( *Pattern == matchchar ) {

  		        if( MatchWithPattern( Pattern+1, Name+1 )) {

                    return TRUE;
                }
            }

            // Try the next substring
            Name++;
        }

        // See if match condition was met
        return MatchOkay( Pattern );
    } 

    // Do straight compare until we hit a wild card
    while( *Name && *Pattern != '*' ) {

		matchchar = *Name;
		if( matchchar >= 'a' && 
			matchchar <= 'z' ) {

			matchchar -= 'a' - 'A';
		}

        if( *Pattern == matchchar ) {
            Pattern++;
            Name++;

        } else {

            return FALSE;
		}
    }

    // If not done, recurse
    if( *Name ) {

        return MatchWithPattern( Pattern, Name );
    }

    // Make sure its a match
    return MatchOkay( Pattern );
}


/****************************************************************************
*
*	FUNCTION: MatchWithHighlightPattern
*
*	PURPOSE: Converts strings to upper-case before calling core 
*	comparison routine.
*
****************************************************************************/
BOOLEAN MatchWithHighlightPattern( PCHAR String )
{
	char	   *filterPtr;
	char	   curFilterBuf[MAXFILTERLEN];
	char		curMatchTest[MAXFILTERLEN];
	char	   *curFilter, *endFilter;

	// Is there a highlight filter?
	if( !HighlightString[0] ||
		(HighlightString[0] == ' ' && !HighlightString[1] )) return FALSE;

	// see if its in an highlight
	filterPtr = HighlightString;
	curFilter = curFilterBuf;
	while( 1 ) {

		endFilter = strchr( filterPtr, ';' );
		if( !endFilter )
			curFilter = filterPtr;
		else {
			strncpy( curFilter, filterPtr, (int) (endFilter - filterPtr ) );
			curFilter[ (int) (endFilter - filterPtr ) ] = 0;
		}

		// Now do the comparison
		sprintf( curMatchTest, "%s%s%s",
			*curFilter == '*' ? "" : "*",
			curFilter,
			curFilter[ strlen(curFilter)-1] == '*' ? "" : "*" );
		if( MatchWithPattern( curMatchTest, String ) ) {

			return TRUE;
		}

		if( endFilter ) filterPtr = endFilter+1;
		else break;
	}
	return FALSE;	
}


/****************************************************************************
*
*	FUNCTION:	FilterProc
*
*	PURPOSE:	Processes messages for "Filter" dialog box
*
****************************************************************************/
BOOL APIENTRY FilterProc( HWND hDlg, UINT message, UINT wParam, LONG lParam )
{
	char			newFilter[MAXFILTERLEN];
	char			newExFilter[MAXFILTERLEN];
	char			newHiFilter[MAXFILTERLEN], oldHighlight[MAXFILTERLEN];
	int				i, j, nb;
	static HWND		hInFilter;
	static HWND		hExFilter;
	static HWND		hHiFilter;

	switch ( message )  {
	case WM_INITDIALOG:

		// initialize the controls to reflect the current filter
		// We use a ' ' as a placeholder in the filter strings to represent no filter ("")
		hInFilter = GetDlgItem( hDlg, IDC_FILTERSTRING );
		for( i = 0; i < NUMRECENTFILTERS; i++ ) {
			if( RecentInFilters[i][0] ) {
				SendMessage( hInFilter,	CB_ADDSTRING, 0, 
					(LPARAM ) (strcmp( RecentInFilters[i], " ") ? 
							RecentInFilters[i] : ""));
			}
		}
		hExFilter = GetDlgItem( hDlg, IDC_EXFILTERSTRING );
		for( i = 0; i < NUMRECENTFILTERS; i++ ) {
			if( RecentExFilters[i][0] ) {
				SendMessage( hExFilter, CB_ADDSTRING, 0, 
					(LPARAM ) (strcmp( RecentExFilters[i], " ") ? 
							RecentExFilters[i] : ""));
			}
		}
		hHiFilter = GetDlgItem( hDlg, IDC_HIFILTERSTRING );
		for( i = 0; i < NUMRECENTFILTERS; i++ ) {