david
7ebea5ffa7
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.jvcl@12 7f62d464-2af8-f54e-996c-e91b33f51cbe
134 lines
3.7 KiB
ObjectPascal
134 lines
3.7 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: JvFormAnimatedIcon.PAS, released on 2001-02-28.
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The Initial Developer of the Original Code is Sébastien Buysse [sbuysse att buypin dott com]
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Portions created by Sébastien Buysse are Copyright (C) 2001 Sébastien Buysse.
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All Rights Reserved.
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Contributor(s): 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: JvFormAnimatedIcon.pas 11400 2007-06-28 21:24:06Z ahuser $
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unit JvFormAnimatedIcon;
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{$I jvcl.inc}
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interface
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uses
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{$IFDEF UNITVERSIONING}
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JclUnitVersioning,
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{$ENDIF UNITVERSIONING}
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SysUtils, Classes, Controls, Forms, ExtCtrls,
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ImgList, Graphics, // clx required
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JvComponentBase;
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type
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TJvFormAnimatedIcon = class(TJvComponent)
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private
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FForm: TCustomForm;
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FActive: Boolean;
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FDelay: Cardinal;
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FIcons: TImageList;
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FTimer: TTimer;
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FNumber: Integer;
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procedure SetActive(const Value: Boolean);
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procedure SetDelay(const Value: Cardinal);
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procedure Animate(Sender: TObject);
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protected
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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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published
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property Icons: TImageList read FIcons write FIcons;
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property Active: Boolean read FActive write SetActive default True;
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property Delay: Cardinal read FDelay write SetDelay default 100;
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end;
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{$IFDEF UNITVERSIONING}
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const
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UnitVersioning: TUnitVersionInfo = (
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RCSfile: '$URL: https://jvcl.svn.sourceforge.net/svnroot/jvcl/branches/JVCL3_36_PREPARATION/run/JvFormAnimatedIcon.pas $';
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Revision: '$Revision: 11400 $';
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Date: '$Date: 2007-06-28 23:24:06 +0200 (jeu., 28 juin 2007) $';
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LogPath: 'JVCL\run'
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);
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{$ENDIF UNITVERSIONING}
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implementation
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constructor TJvFormAnimatedIcon.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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FForm := GetParentForm(TControl(AOwner));
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FActive := True;
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FNumber := 0;
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FDelay := 100;
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FTimer := nil;
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if not (csDesigning in ComponentState) then
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begin
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FTimer := TTimer.Create(Self);
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FTimer.OnTimer := Animate;
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FTimer.Interval := FDelay;
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FTimer.Enabled := FActive;
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end;
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end;
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destructor TJvFormAnimatedIcon.Destroy;
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begin
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FTimer.Free;
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inherited Destroy;
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end;
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procedure TJvFormAnimatedIcon.Animate(Sender: TObject);
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begin
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if (FIcons <> nil) and (FIcons.Count <> 0) then
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begin
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FNumber := (FNumber + 1) mod FIcons.Count;
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FIcons.GetIcon(FNumber, TForm(FForm).Icon);
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end;
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end;
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procedure TJvFormAnimatedIcon.SetActive(const Value: Boolean);
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begin
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FActive := Value;
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if not (csDesigning in ComponentState) then
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FTimer.Enabled := FActive;
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end;
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procedure TJvFormAnimatedIcon.SetDelay(const Value: Cardinal);
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begin
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FDelay := Value;
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if not (csDesigning in ComponentState) then
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FTimer.Interval := FDelay;
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end;
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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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end.
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