Supercompiler 1997/SUPERCOMPILER97.iso/Delphi 3.0/DATA.Z/SCRLIMPL.PAS

Pascal/Delphi Source File | 1997-01-30 | 5.9 KB | 227 lines

unit ScrlImpl;

interface

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

type
  TScrollBarX = class(TActiveXControl, IScrollBarX)
  private
    { Private declarations }
    FDelphiControl: TScrollBar;
    FEvents: IScrollBarXEvents;
    procedure ChangeEvent(Sender: TObject);
    procedure KeyPressEvent(Sender: TObject; var Key: Char);
    procedure ScrollEvent(Sender: TObject; ScrollCode: TScrollCode;
      var ScrollPos: Integer);
  protected
    { Protected declarations }
    procedure InitializeControl; override;
    procedure EventSinkChanged(const EventSink: IUnknown); override;
    procedure DefinePropertyPages(DefinePropertyPage: TDefinePropertyPage); override;
    function Get_Ctl3D: WordBool; safecall;
    function Get_Cursor: Smallint; safecall;
    function Get_DragCursor: Smallint; safecall;
    function Get_Enabled: WordBool; safecall;
    function Get_Kind: TxScrollBarKind; safecall;
    function Get_LargeChange: Smallint; safecall;
    function Get_Max: Integer; safecall;
    function Get_Min: Integer; safecall;
    function Get_Position: Integer; safecall;
    function Get_SmallChange: Smallint; safecall;
    function Get_Visible: WordBool; safecall;
    procedure AboutBox; safecall;
    procedure Set_Ctl3D(Value: WordBool); safecall;
    procedure Set_Cursor(Value: Smallint); safecall;
    procedure Set_DragCursor(Value: Smallint); safecall;
    procedure Set_Enabled(Value: WordBool); safecall;
    procedure Set_Kind(Value: TxScrollBarKind); safecall;
    procedure Set_LargeChange(Value: Smallint); safecall;
    procedure Set_Max(Value: Integer); safecall;
    procedure Set_Min(Value: Integer); safecall;
    procedure Set_Position(Value: Integer); safecall;
    procedure Set_SmallChange(Value: Smallint); safecall;
    procedure Set_Visible(Value: WordBool); safecall;
    procedure SetParams(APosition, AMin, AMax: Integer); safecall;
  end;

implementation
uses scrollPg;
{ TScrollBarX }

procedure TScrollBarX.InitializeControl;
begin
  FDelphiControl := Control as TScrollBar;
  FDelphiControl.OnChange := ChangeEvent;
  FDelphiControl.OnKeyPress := KeyPressEvent;
  FDelphiControl.OnScroll := ScrollEvent;
end;

procedure TScrollBarX.EventSinkChanged(const EventSink: IUnknown);
begin
  FEvents := EventSink as IScrollBarXEvents;
end;

procedure TScrollBarX.DefinePropertyPages(DefinePropertyPage: TDefinePropertyPage);
begin
  { Define property pages here.  Property pages are defined by calling
    DefinePropertyPage with the class id of the page.  For example,
      DefinePropertyPage(Class_ScrollBarXPage); }
end;

function TScrollBarX.Get_Ctl3D: WordBool;
begin
  Result := FDelphiControl.Ctl3D;
end;

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

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

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

function TScrollBarX.Get_Kind: TxScrollBarKind;
begin
  Result := Ord(FDelphiControl.Kind);
end;

function TScrollBarX.Get_LargeChange: Smallint;
begin
  Result := Smallint(FDelphiControl.LargeChange);
end;

function TScrollBarX.Get_Max: Integer;
begin
  Result := FDelphiControl.Max;
end;

function TScrollBarX.Get_Min: Integer;
begin
  Result := FDelphiControl.Min;
end;

function TScrollBarX.Get_Position: Integer;
begin
  Result := FDelphiControl.Position;
end;

function TScrollBarX.Get_SmallChange: Smallint;
begin
  Result := Smallint(FDelphiControl.SmallChange);
end;

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

procedure TScrollBarX.AboutBox;
begin
  ShowScrollBarXAbout;
end;

procedure TScrollBarX.Set_Ctl3D(Value: WordBool);
begin
  FDelphiControl.Ctl3D := Value;
end;

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

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

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

procedure TScrollBarX.Set_Kind(Value: TxScrollBarKind);
begin
  FDelphiControl.Kind := TScrollBarKind(Value);
end;

procedure TScrollBarX.Set_LargeChange(Value: Smallint);
begin
  FDelphiControl.LargeChange := TScrollBarInc(Value);
end;

procedure TScrollBarX.Set_Max(Value: Integer);
begin
  FDelphiControl.Max := Value;
end;

procedure TScrollBarX.Set_Min(Value: Integer);
begin
  FDelphiControl.Min := Value;
end;

procedure TScrollBarX.Set_Position(Value: Integer);
begin
  FDelphiControl.Position := Value;
end;

procedure TScrollBarX.Set_SmallChange(Value: Smallint);
begin
  FDelphiControl.SmallChange := TScrollBarInc(Value);
end;

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

procedure TScrollBarX.SetParams(APosition, AMin, AMax: Integer);
begin

end;

procedure TScrollBarX.ChangeEvent(Sender: TObject);
begin
  if FEvents <> nil then FEvents.OnChange;
end;

procedure TScrollBarX.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 TScrollBarX.ScrollEvent(Sender: TObject; ScrollCode: TScrollCode;
  var ScrollPos: Integer);
var
  TempScrollPos: Integer;
begin
  TempScrollPos := Integer(ScrollPos);
  if FEvents <> nil then FEvents.OnScroll(TxScrollCode(ScrollCode), TempScrollPos);
  ScrollPos := Integer(TempScrollPos);
end;

initialization
  TActiveXControlFactory.Create(
    ComServer,
    TScrollBarX,
    TScrollBar,
    Class_ScrollBarX,
    20,
    '{5A5659BC-7975-11D0-BE02-00A024D1875C}');
end.