160 lines
4.3 KiB
ObjectPascal
160 lines
4.3 KiB
ObjectPascal
{-----------------------------------------------------------------------------
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The contents of this file are subject to the Mozilla Public License
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Version 1.1 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1.1.html
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
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the specific language governing rights and limitations under the License.
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The Original Code is: JvgSmallFontsDefense.PAS, released on 2003-01-15.
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The Initial Developer of the Original Code is Andrey V. Chudin, [chudin att yandex dott ru]
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Portions created by Andrey V. Chudin are Copyright (C) 2003 Andrey V. Chudin.
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All Rights Reserved.
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Contributor(s):
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Michael Beck [mbeck att bigfoot dott com].
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Burov Dmitry, translation of russian text.
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You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
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located at http://jvcl.sourceforge.net
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Description:
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Prevents your apps from BIG fonts.
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Known Issues:
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-----------------------------------------------------------------------------}
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// $Id: JvgSmallFontsDefense.pas,v 1.22 2005/09/15 07:22:55 marquardt Exp $
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unit JvgSmallFontsDefense;
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{$I jvcl.inc}
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interface
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uses
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{$IFDEF USEJVCL}
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{$IFDEF UNITVERSIONING}
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JclUnitVersioning,
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{$ENDIF UNITVERSIONING}
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{$ENDIF USEJVCL}
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Windows, Messages, SysUtils, Classes, Graphics,
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{$IFDEF USEJVCL}
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Controls, Forms, Dialogs, Grids,
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JvComponentBase;
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{$ELSE}
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Controls, Forms, Dialogs, Grids;
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{$ENDIF USEJVCL}
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type
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TglSmallFontsDefenseOption = (fdoExcludeGrids);
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TglSmallFontsDefenseOptions = set of TglSmallFontsDefenseOption;
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{$IFDEF USEJVCL}
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TJvgSmallFontsDefense = class(TJvComponent)
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{$ELSE}
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TJvgSmallFontsDefense = class(TComponent)
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{$ENDIF USEJVCL}
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private
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FOptions: TglSmallFontsDefenseOptions;
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procedure UpdateFonts(Control: TWinControl);
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procedure SetOptions(const Value: TglSmallFontsDefenseOptions);
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protected
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procedure Loaded; override;
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public
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constructor Create(AOwner: TComponent); override;
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published
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property Options: TglSmallFontsDefenseOptions read FOptions write SetOptions default [];
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end;
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{$IFDEF USEJVCL}
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{$IFDEF UNITVERSIONING}
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const
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UnitVersioning: TUnitVersionInfo = (
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RCSfile: '$RCSfile: JvgSmallFontsDefense.pas,v $';
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Revision: '$Revision: 1.22 $';
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Date: '$Date: 2005/09/15 07:22:55 $';
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LogPath: 'JVCL\run'
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);
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{$ENDIF UNITVERSIONING}
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{$ENDIF USEJVCL}
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implementation
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uses
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{$IFDEF USEJVCL}
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JvResources, JvConsts,
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{$ENDIF USEJVCL}
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JvgUtils;
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{$IFNDEF USEJVCL}
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resourcestring
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RsTJvgSmallFontsDefenseCannotBeUsedWi = 'TJvgSmallFontsDefense cannot be used with large fonts.';
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{$ENDIF !USEJVCL}
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constructor TJvgSmallFontsDefense.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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FOptions := [];
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end;
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procedure TJvgSmallFontsDefense.Loaded;
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begin
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inherited Loaded;
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if Owner is TForm then
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(Owner as TForm).Scaled := False;
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if csDesigning in ComponentState then
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if not IsSmallFonts then
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ShowMessage(RsTJvgSmallFontsDefenseCannotBeUsedWi);
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end;
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procedure TJvgSmallFontsDefense.SetOptions(const Value: TglSmallFontsDefenseOptions);
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begin
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FOptions := Value;
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if Owner is TCustomForm then
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UpdateFonts(Owner as TCustomForm);
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end;
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type
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TControlAccessProtected = class(TControl);
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procedure TJvgSmallFontsDefense.UpdateFonts(Control: TWinControl);
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var
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I: Integer;
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procedure UpdateFont(Font: TFont);
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begin
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if SameText(Font.Name, 'MS Sans Serif') then
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Font.Name := 'Arial';
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end;
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begin
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if IsSmallFonts then
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Exit;
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if (fdoExcludeGrids in Options) and (Control is TCustomGrid) then
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Exit;
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UpdateFont(TControlAccessProtected(Control).Font);
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with Control do
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for I := 0 to ControlCount - 1 do
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begin
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UpdateFont(TControlAccessProtected(Controls[I]).Font);
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if Controls[I] is TWinControl then
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UpdateFonts(Controls[I] as TWinControl);
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end;
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end;
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{$IFDEF USEJVCL}
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{$IFDEF UNITVERSIONING}
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initialization
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RegisterUnitVersion(HInstance, UnitVersioning);
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finalization
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UnregisterUnitVersion(HInstance);
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{$ENDIF UNITVERSIONING}
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{$ENDIF USEJVCL}
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end.
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