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synedit: tsynmemo: fixed computing line ends

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git-svn-id: trunk@16330 -
This commit is contained in:
mattias 2008-08-31 12:23:17 +00:00
parent 8acfc91bed
commit 69487343c3
1 changed files with 11 additions and 3 deletions
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14
components/synedit/synmemo.pas
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@ -192,17 +192,21 @@ uses
function TCustomSynMemo.CharIndexToRowCol(Index: integer): TPoint;
var
x, y, Chars: integer;
e: string;
LineEndLen: Integer;
begin
x := 0;
y := 0;
e:=LineEnding;
LineEndLen:=length(e);
Chars := 0;
while y < Lines.Count do begin
x := Length(Lines[y]);
if Chars + x + 2 > Index then begin
if Chars + x + LineEndLen > Index then begin
x := Index - Chars;
break;
end;
Inc(Chars, x + 2);
Inc(Chars, x + LineEndLen);
x := 0;
Inc(y);
end;
@ -212,11 +216,15 @@ end;
function TCustomSynMemo.RowColToCharIndex(RowCol: TPoint): integer;
var
i: integer;
e: Char;
LineEndLen: Integer;
begin
Result := 0;
RowCol.y := Min(Lines.Count, RowCol.y) - 1;
e:=LineEnding;
LineEndLen:=length(e);
for i := 0 to RowCol.y - 1 do
Result := Result + Length(Lines[i]) + 2;
Result := Result + Length(Lines[i]) + LineEndLen;
Result := Result + RowCol.x;
end;