UPascal Code

{
 ***************************************************************************
 *                                                                         *
 *   This source is free software; you can redistribute it and/or modify   *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This code is distributed in the hope that it will be useful, but      *
 *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
 *   General Public License for more details.                              *
 *                                                                         *
 *   A copy of the GNU General Public License is available on the World    *
 *   Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also      *
 *   obtain it by writing to the Free Software Foundation,                 *
 *   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.        *
 *                                                                         *
 ***************************************************************************
}

unit UDrawGrid;

{$INCLUDE upascal.inc}

interface

uses
  Grids, Math;

type

  TCustomDrawGrid = Grids.TCustomDrawGrid;
  TDrawGrid = Grids.TDrawGrid;

  TDrawGridHelper = class helper for TCustomDrawGrid
    procedure _AutoExpandColumn(const AColumn: integer);
  end;

implementation

procedure TDrawGridHelper._AutoExpandColumn(const AColumn: integer);
var
  LColIndex, LWidth, LDefaultWidth: integer;
begin
  LDefaultWidth := 0;
  LWidth := ClientWidth;
  for LColIndex := 0 to ColCount - 1 do begin
    if LColIndex <> AColumn then begin
      Dec(LWidth, ColWidths[LColIndex]);
    end else begin
      LDefaultWidth := Max(LDefaultWidth, LWidth);
    end;
  end;
  if LWidth > 0 then begin
    ColWidths[AColumn] := LWidth;
  end else begin
    ColWidths[AColumn] := LDefaultWidth;
  end;
end;

end.