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https://gitlab.com/freepascal.org/lazarus/lazarus.git
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154 lines
3.8 KiB
ObjectPascal
154 lines
3.8 KiB
ObjectPascal
{
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/***************************************************************************
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Arrow.pp
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-------------------
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Component Library Calendar Component
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Initial Revision : Wed Dec 05 2001
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***************************************************************************/
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*****************************************************************************
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* *
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* This file is part of the Lazarus Component Library (LCL) *
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* *
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* See the file COPYING.LCL, included in this distribution, *
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* for details about the copyright. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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*****************************************************************************
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}
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{
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@abstract(Arrow component)
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@author(Shane Miller)
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@created(05 Dev 2001)
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}
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unit Arrow;
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{$mode objfpc}{$H+}
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interface
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uses
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SysUtils, Classes, LCLType, Controls, lMessages;
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Type
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TArrowType = (atUp, atDown, atLeft, atRight);
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TShadowType = (stNone, stIn, stOut, stEtchedIn, stEtchedOut);
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TArrow = class(TCustomControl)
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private
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FArrowType : TArrowType;
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FShadowType : TShadowType;
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function GetShadowType: TShadowType;
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procedure SetShadowType(const AValue: TShadowType);
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function GetArrowType: TArrowType;
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procedure SetArrowType(const AValue: TArrowType);
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procedure SetProps;
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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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procedure Loaded; override;
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procedure InitializeWnd; override;
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published
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property Align;
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property Anchors;
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property ArrowType: TArrowType read GetArrowType write SetArrowType default atLeft;
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property BorderSpacing;
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property ShadowType: TShadowType read fShadowType write SetShadowType default stEtchedIn;
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property Visible;
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property OnClick;
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property OnMouseMove;
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property OnMouseDown;
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property OnMouseUp;
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property OnChangeBounds;
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property OnResize;
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property OnContextPopup;
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property PopupMenu;
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end;
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procedure Register;
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implementation
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uses
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InterfaceBase, WSArrow;
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procedure Register;
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begin
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RegisterComponents('Misc',[TArrow]);
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end;
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{ TArrow }
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constructor TArrow.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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fCompStyle := csArrow;
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fArrowType := atLeft;
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fShadowType := stEtchedIn;
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SetInitialBounds(0,0,10,10);
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end;
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destructor TArrow.Destroy;
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begin
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inherited;
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end;
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procedure TArrow.Loaded;
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begin
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inherited Loaded;
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SetProps;
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end;
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procedure TArrow.Paint;
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begin
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InterfaceObject.DrawArrow(Self, Canvas);
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inherited Paint;
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end;
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procedure TArrow.InitializeWnd;
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begin
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inherited InitializeWnd;
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SetProps;
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end;
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function TArrow.GetArrowType: TArrowType;
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begin
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Result := FArrowType;
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end;
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procedure TArrow.SetArrowType(const AValue: TArrowType);
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begin
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fArrowType := AValue;
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SetProps;
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end;
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function TArrow.GetShadowType: TShadowType;
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begin
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Result := FShadowType;
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end;
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procedure TArrow.SetProps;
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begin
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if HandleAllocated and (not (csLoading in ComponentState)) then
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TWSArrowClass(WidgetSetClass).SetType(Self, FArrowType, FShadowType);
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end;
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procedure TArrow.SetShadowType(const AValue: TShadowType);
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begin
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FShadowType := aValue;
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SetProps;
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end;
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end.
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