david
7ebea5ffa7
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.jvcl@12 7f62d464-2af8-f54e-996c-e91b33f51cbe
142 lines
3.8 KiB
ObjectPascal
142 lines
3.8 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: JvgShape.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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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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// $Id: JvgShape.pas 10610 2006-05-19 13:35:08Z elahn $
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unit JvgShape;
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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, Classes, Controls, Graphics, ExtCtrls,
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JvgTypes, JvgUtils;
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type
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TJvgShape = class(TShape)
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private
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FOnMouseLeave: TNotifyEvent;
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FOnMouseEnter: TNotifyEvent;
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FWallpaper: TBitmap;
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procedure CMMouseEnter(var Msg: TMessage); message CM_MOUSEENTER;
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procedure CMMouseLeave(var Msg: TMessage); message CM_MOUSELEAVE;
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function GetWallpaper: TBitmap;
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protected
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procedure Paint; override;
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public
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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property Wallpaper: TBitmap read GetWallpaper write FWallpaper;
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published
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property PopupMenu;
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property OnMouseEnter: TNotifyEvent read FOnMouseEnter write FOnMouseEnter;
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property OnMouseLeave: TNotifyEvent read FOnMouseLeave write FOnMouseLeave;
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property OnClick;
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property OnDblClick;
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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$';
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Revision: '$Revision: 10610 $';
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Date: '$Date: 2006-05-19 15:35:08 +0200 (ven., 19 mai 2006) $';
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LogPath: 'JVCL\run'
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);
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{$ENDIF UNITVERSIONING}
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{$ENDIF USEJVCL}
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implementation
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constructor TJvgShape.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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ControlStyle := ControlStyle + [csClickEvents, csDoubleClicks];
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end;
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destructor TJvgShape.Destroy;
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begin
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FWallpaper.Free;
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inherited Destroy;
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end;
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procedure TJvgShape.CMMouseEnter(var Msg: TMessage);
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begin
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if Assigned(FOnMouseEnter) then
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FOnMouseEnter(Self);
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end;
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procedure TJvgShape.CMMouseLeave(var Msg: TMessage);
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begin
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if Assigned(FOnMouseLeave) then
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FOnMouseLeave(Self);
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end;
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function TJvgShape.GetWallpaper: TBitmap;
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begin
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if FWallpaper = nil then
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FWallpaper := TBitmap.Create;
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Result := FWallpaper;
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end;
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procedure TJvgShape.Paint;
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var
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R: TRect;
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OldBrush: TBrushStyle;
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begin
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if not Assigned(FWallpaper) or FWallpaper.Empty then
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inherited Paint
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else
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begin
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R := ClientRect;
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OldBrush := Canvas.Brush.Style;
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Canvas.Brush.Style := bsClear;
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Canvas.Pen := Pen;
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Canvas.Rectangle(R);
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Canvas.Brush.Style := OldBrush;
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InflateRect(R, -1, -1);
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DrawBitmapExt(Canvas.Handle, FWallpaper, R, 0, 0, fwoTile, fdsDefault, False, 0, 0);
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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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