david
7ebea5ffa7
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.jvcl@12 7f62d464-2af8-f54e-996c-e91b33f51cbe
106 lines
2.9 KiB
ObjectPascal
106 lines
2.9 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: JvAlignListbox.PAS, released on 2000-11-22.
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The Initial Developer of the Original Code is Peter Below <100113 dott 1101 att compuserve dott com>
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Portions created by Peter Below are Copyright (C) 2000 Peter Below.
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All Rights Reserved.
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Contributor(s): ______________________________________.
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Last Modified: 2000-mm-dd
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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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Known Issues:
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-----------------------------------------------------------------------------}
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{$I JVCL.INC}
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unit JvHighlighter;
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interface
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uses
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SysUtils, Classes, Graphics, Controls,
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JVCLVer;
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type
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TJvHighlighter = class(TGraphicControl)
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private
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FAboutJVCL: TJVCLAboutInfo;
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FFocusControl: TWinControl;
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FExtraBorder: Integer;
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protected
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procedure SetFocusControl(Value: TWinControl);
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procedure SetExtraBorder(Value: Integer);
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public
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constructor Create(AOwner: TComponent); override;
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procedure Paint; override;
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published
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property AboutJVCL: TJVCLAboutInfo read FAboutJVCL write FAboutJVCL stored False;
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property FocusControl: TWinControl read FFocusControl write SetFocusControl;
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property Color;
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property ExtraBorder: Integer read FExtraBorder write SetExtraBorder default 4;
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property Height default 30;
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property Width default 30;
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end;
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implementation
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constructor TJvHighlighter.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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ControlStyle := ControlStyle + [csOpaque];
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FExtraBorder := 4;
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Width := 30;
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Height := 30;
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Color := clBlue;
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end;
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procedure TJvHighlighter.SetFocusControl(Value: TWinControl);
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begin
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if Value = FFocusControl then
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Exit;
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Hide;
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if Value <> nil then
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begin
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FFocusControl := Value;
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Parent := Value.Parent;
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SetBounds(Value.Left - FExtraBorder,
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Value.Top - FExtraBorder,
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Value.Width + 2 * FExtraBorder,
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Value.Height + 2 * FExtraBorder);
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Show;
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end
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else
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Parent := nil;
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end;
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procedure TJvHighlighter.SetExtraBorder(Value: Integer);
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begin
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if Value <> FExtraBorder then
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begin
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FExtraBorder := Value;
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Invalidate;
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end;
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end;
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procedure TJvHighlighter.Paint;
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begin
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Canvas.Brush.Color := Color;
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Canvas.Brush.Style := bsSolid;
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Canvas.FillRect(ClientRect);
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end;
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end.
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