特色按钮

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特色按钮

来源: 作者: 时间:2016-01-23 10:15 【

每当用到DELPHI自带的控件都感到少了一点什么,形状也好,颜色也好,变化的方式也好,都与自已的项目所需要的标准相差了一些,查阅了一些书籍后发现下面的控件很有可用之处!!
 

每当用到DELPHI自带的控件都感到少了一点什么,形状也好,颜色也好,变化的方式也好,都与自已的项目所需要的标准相差了一些,查阅了一些书籍后发现下面的控件很有可用之处!!!

以下是它的源代码:

unit DsFancyButton;

interface

uses
  SysUtils,Windows, Messages, Classes, Graphics, Controls, Forms;

type
  TTextStyle = (txNone, txLowered, txRaised, txShadowed);
  TShape = (shCapsule, shOval, shRectangle, shRoundRect);
  TDsFancyButton = class(TGraphicControl)
  private
    FButtonColor: TColor;
    FIsDown: Boolean;
    FFrameColor: TColor;
    FFrameWidth: Integer;
    FCornerRadius: Integer;
    FRgn, MRgn: HRgn;
    FShape: TShape;
    FTextColor: TColor;
    FTextStyle: TTextStyle;

    procedure SetButtonColor(Value: TColor);
    procedure CMEnabledChanged(var message: TMessage);
              message CM_ENABLEDCHANGED;
    procedure CMTextChanged(var message: TMessage);
              message CM_TEXTCHANGED;
    procedure CMDialogChar(var message: TCMDialogChar);
              message CM_DIALOGCHAR;
    procedure WMSize(var message: TWMSize); message WM_PAINT;
  protected
    procedure Click; override;
    procedure DrawShape;
    procedure Paint; override;
    procedure SetFrameColor(Value: TColor);
    procedure SetFrameWidth(Value: Integer);
    procedure SetCornerRadius(Value: Integer);
    procedure SetShape(Value: TShape);
    procedure SetTextStyle(Value: TTextStyle);
    procedure WMLButtonDown(var Message: TWMLButtonDown); message WM_LBUTTONDOWN;
    procedure WMLButtonUp(var Message: TWMLButtonUp); message WM_LBUTTONUP;
    procedure WriteCaption;
  public
    constructor Create(Aowner: TComponent); override;
    destructor Destroy; override;
  published
    property ButtonColor: TColor
             read FButtonColor write SetButtonColor;
    property Caption;
    property DragCursor;
    property DragMode;
    property Enabled;
    property Font;
    property FrameColor: TColor
             read FFrameColor write SetFrameColor;
    property FrameWidth: Integer
             read FFrameWidth write SetFrameWidth;
    property ParentFont;
    property ParentShowHint;
    property PopupMenu;
    property CornerRadius: Integer
             read FCornerRadius write SetCornerRadius;
    property Shape: TShape
             read FShape write SetShape default shRoundRect;
    property ShowHint;
    property TextStyle: TTextStyle
             read FTextStyle write SetTExtStyle;
    property Visible;

    property OnClick;   property OnDragDrop;
    property OnDragOver;  property OnEndDrag;
    property OnMouseDown; Property OnMouseUp;
    Property OnMouseMove;
  end;

procedure Register;

implementation

constructor TDsFancyButton.Create(AOwner: TComponent);
begin
  inherited Create(Aowner);
  ControlStyle := [csClickEvents,  csCaptureMouse,  csSetCaption];
  Enabled := True;
  FButtonColor := clBtnFace;
  FIsDown := False;
  FFrameColor := clGray;
  FFrameWidth := 6;
  FCornerRadius := 10;
  FRgn := 0;
  FShape := shRoundRect;
  FTextStyle := txRaised;
  Height := 25;
  Visible := True;
  Width := 97;
end;

destructor TDsFancyButton.Destroy;
begin
  DeleteObject(FRgn);
  DeleteObject(MRgn);
  inherited Destroy;
end;

procedure TDsFancyButton.Paint;
var Dia: integer;
    ClrUp,  ClrDown: TColor;
begin
  Canvas.Brush.Style := bsClear;

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