cardimpl.pas

《Delphi开发人员指南》配书原码

unit CardImpl;

interface

uses
  Windows, ActiveX, Classes, Controls, Graphics, Menus, Forms, StdCtrls,
  ComServ, StdVCL, AXCtrls, AxCard_TLB, Cards;

type
  TCardX = class(TActiveXControl, ICardX)
  private
    { Private declarations }
    FDelphiControl: TCard;
    FEvents: ICardXEvents;
    procedure ClickEvent(Sender: TObject);
    procedure DblClickEvent(Sender: TObject);
    procedure KeyPressEvent(Sender: TObject; var Key: Char);
  protected
    { Protected declarations }
    procedure DefinePropertyPages(DefinePropertyPage: TDefinePropertyPage); override;
    procedure EventSinkChanged(const EventSink: IUnknown); override;
    procedure InitializeControl; override;
    function ClassNameIs(const Name: WideString): WordBool; safecall;
    function DrawTextBiDiModeFlags(Flags: Integer): Integer; safecall;
    function DrawTextBiDiModeFlagsReadingOnly: Integer; safecall;
    function Get_BackColor: OLE_COLOR; safecall;
    function Get_BiDiMode: TxBiDiMode; safecall;
    function Get_Color: OLE_COLOR; safecall;
    function Get_Cursor: Smallint; safecall;
    function Get_DoubleBuffered: WordBool; safecall;
    function Get_DragCursor: Smallint; safecall;
    function Get_DragMode: TxDragMode; safecall;
    function Get_Enabled: WordBool; safecall;
    function Get_FaceUp: WordBool; safecall;
    function Get_ParentColor: WordBool; safecall;
    function Get_Suit: TxCardSuit; safecall;
    function Get_Value: TxCardValue; safecall;
    function Get_Visible: WordBool; safecall;
    function GetControlsAlignment: TxAlignment; safecall;
    function IsRightToLeft: WordBool; safecall;
    function UseRightToLeftAlignment: WordBool; safecall;
    function UseRightToLeftReading: WordBool; safecall;
    function UseRightToLeftScrollBar: WordBool; safecall;
    procedure FlipChildren(AllLevels: WordBool); safecall;
    procedure InitiateAction; safecall;
    procedure Set_BackColor(Value: OLE_COLOR); safecall;
    procedure Set_BiDiMode(Value: TxBiDiMode); safecall;
    procedure Set_Color(Value: OLE_COLOR); safecall;
    procedure Set_Cursor(Value: Smallint); safecall;
    procedure Set_DoubleBuffered(Value: WordBool); safecall;
    procedure Set_DragCursor(Value: Smallint); safecall;
    procedure Set_DragMode(Value: TxDragMode); safecall;
    procedure Set_Enabled(Value: WordBool); safecall;
    procedure Set_FaceUp(Value: WordBool); safecall;
    procedure Set_ParentColor(Value: WordBool); safecall;
    procedure Set_Suit(Value: TxCardSuit); safecall;
    procedure Set_Value(Value: TxCardValue); safecall;
    procedure Set_Visible(Value: WordBool); safecall;
    procedure AboutBox; safecall;
  end;

implementation

uses ComObj, About, CardPP;

{ TCardX }

procedure TCardX.DefinePropertyPages(DefinePropertyPage: TDefinePropertyPage);
begin
  DefinePropertyPage(Class_DColorPropPage);
  DefinePropertyPage(Class_CardPropPage);
end;

procedure TCardX.EventSinkChanged(const EventSink: IUnknown);
begin
  FEvents := EventSink as ICardXEvents;
end;

procedure TCardX.InitializeControl;
begin
  FDelphiControl := Control as TCard;
  FDelphiControl.OnClick := ClickEvent;
  FDelphiControl.OnDblClick := DblClickEvent;
  FDelphiControl.OnKeyPress := KeyPressEvent;
end;

function TCardX.ClassNameIs(const Name: WideString): WordBool;
begin
  Result := FDelphiControl.ClassNameIs(Name);
end;

function TCardX.DrawTextBiDiModeFlags(Flags: Integer): Integer;
begin
  Result := FDelphiControl.DrawTextBiDiModeFlags(Flags);
end;

function TCardX.DrawTextBiDiModeFlagsReadingOnly: Integer;
begin
  Result := FDelphiControl.DrawTextBiDiModeFlagsReadingOnly;
end;

function TCardX.Get_BackColor: OLE_COLOR;
begin
  Result := OLE_COLOR(FDelphiControl.BackColor);
end;

function TCardX.Get_BiDiMode: TxBiDiMode;
begin
  Result := Ord(FDelphiControl.BiDiMode);
end;

function TCardX.Get_Color: OLE_COLOR;
begin
  Result := OLE_COLOR(FDelphiControl.Color);
end;

function TCardX.Get_Cursor: Smallint;
begin
  Result := Smallint(FDelphiControl.Cursor);
end;

function TCardX.Get_DoubleBuffered: WordBool;
begin
  Result := FDelphiControl.DoubleBuffered;
end;

function TCardX.Get_DragCursor: Smallint;
begin
  Result := Smallint(FDelphiControl.DragCursor);
end;

function TCardX.Get_DragMode: TxDragMode;
begin
  Result := Ord(FDelphiControl.DragMode);
end;

function TCardX.Get_Enabled: WordBool;
begin
  Result := FDelphiControl.Enabled;
end;

function TCardX.Get_FaceUp: WordBool;
begin
  Result := FDelphiControl.FaceUp;
end;

function TCardX.Get_ParentColor: WordBool;
begin
  Result := FDelphiControl.ParentColor;
end;

function TCardX.Get_Suit: TxCardSuit;
begin
  Result := Ord(FDelphiControl.Suit);
end;

function TCardX.Get_Value: TxCardValue;
begin
  Result := Ord(FDelphiControl.Value);
end;

function TCardX.Get_Visible: WordBool;
begin
  Result := FDelphiControl.Visible;
end;

function TCardX.GetControlsAlignment: TxAlignment;
begin
 Result := TxAlignment(FDelphiControl.GetControlsAlignment);
end;

function TCardX.IsRightToLeft: WordBool;
begin
  Result := FDelphiControl.IsRightToLeft;
end;

function TCardX.UseRightToLeftAlignment: WordBool;
begin
  Result := FDelphiControl.UseRightToLeftAlignment;
end;

function TCardX.UseRightToLeftReading: WordBool;
begin
  Result := FDelphiControl.UseRightToLeftReading;
end;

function TCardX.UseRightToLeftScrollBar: WordBool;
begin
  Result := FDelphiControl.UseRightToLeftScrollBar;
end;

procedure TCardX.FlipChildren(AllLevels: WordBool);
begin
  FDelphiControl.FlipChildren(AllLevels);
end;

procedure TCardX.InitiateAction;
begin
  FDelphiControl.InitiateAction;
end;

procedure TCardX.Set_BackColor(Value: OLE_COLOR);
begin
  FDelphiControl.BackColor := TColor(Value);
end;

procedure TCardX.Set_BiDiMode(Value: TxBiDiMode);
begin
  FDelphiControl.BiDiMode := TBiDiMode(Value);
end;

procedure TCardX.Set_Color(Value: OLE_COLOR);
begin
  FDelphiControl.Color := TColor(Value);
end;

procedure TCardX.Set_Cursor(Value: Smallint);
begin
  FDelphiControl.Cursor := TCursor(Value);
end;

procedure TCardX.Set_DoubleBuffered(Value: WordBool);
begin
  FDelphiControl.DoubleBuffered := Value;
end;

procedure TCardX.Set_DragCursor(Value: Smallint);
begin
  FDelphiControl.DragCursor := TCursor(Value);
end;

procedure TCardX.Set_DragMode(Value: TxDragMode);
begin
  FDelphiControl.DragMode := TDragMode(Value);
end;

procedure TCardX.Set_Enabled(Value: WordBool);
begin
  FDelphiControl.Enabled := Value;
end;

procedure TCardX.Set_FaceUp(Value: WordBool);
begin
  FDelphiControl.FaceUp := Value;
end;

procedure TCardX.Set_ParentColor(Value: WordBool);
begin
  FDelphiControl.ParentColor := Value;
end;

procedure TCardX.Set_Suit(Value: TxCardSuit);
begin
  FDelphiControl.Suit := TCardSuit(Value);
end;

procedure TCardX.Set_Value(Value: TxCardValue);
begin
  FDelphiControl.Value := TCardValue(Value);
end;

procedure TCardX.Set_Visible(Value: WordBool);
begin
  FDelphiControl.Visible := Value;
end;

procedure TCardX.ClickEvent(Sender: TObject);
begin
  if FEvents <> nil then FEvents.OnClick;
end;

procedure TCardX.DblClickEvent(Sender: TObject);
begin
  if FEvents <> nil then FEvents.OnDblClick;
end;

procedure TCardX.KeyPressEvent(Sender: TObject; var Key: Char);
var
  TempKey: Smallint;
begin
  TempKey := Smallint(Key);
  if FEvents <> nil then FEvents.OnKeyPress(TempKey);
  Key := Char(TempKey);
end;

procedure TCardX.AboutBox;
begin
  ShowCardXAbout;
end;

initialization
  TActiveXControlFactory.Create(ComServer, TCardX, TCard, Class_CardX,
    1, '', 0, tmApartment);
end.