PC Plus SuperCD (UK) 2000 March/pcp161b.iso/full/delphi/INSTALL/data.z/REDTIMPL.PAS

Pascal/Delphi Source File | 1997-08-05 | 12.9 KB | 502 lines

unit RedtImpl;

interface

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

type
  TRichEditX = class(TActiveXControl, IRichEditX)
  private
    { Private declarations }
    FDelphiControl: TRichEdit;
    FEvents: IRichEditXEvents;
    procedure ChangeEvent(Sender: TObject);
    procedure KeyPressEvent(Sender: TObject; var Key: Char);
    procedure ProtectChangeEvent(Sender: TObject; StartPos, EndPos: Integer;
      var AllowChange: Boolean);
    procedure SaveClipboardEvent(Sender: TObject; NumObjects,
      NumChars: Integer; var SaveClipboard: Boolean);
    procedure SelectionChangeEvent(Sender: TObject);
  protected
    { Protected declarations }
    procedure InitializeControl; override;
    procedure EventSinkChanged(const EventSink: IUnknown); override;
    procedure DefinePropertyPages(DefinePropertyPage: TDefinePropertyPage); override;
    function Get_Alignment: TxAlignment; safecall;
    function Get_BorderStyle: TxBorderStyle; safecall;
    function Get_Color: TColor; safecall;
    function Get_Ctl3D: WordBool; safecall;
    function Get_Cursor: Smallint; safecall;
    function Get_DragCursor: Smallint; safecall;
    function Get_DragMode: TxDragMode; safecall;
    function Get_Enabled: WordBool; safecall;
    function Get_Font: Font; safecall;
    function Get_HideScrollBars: WordBool; safecall;
    function Get_HideSelection: WordBool; safecall;
    function Get_ImeMode: TxImeMode; safecall;
    function Get_ImeName: WideString; safecall;
    function Get_Lines: IStrings; safecall;
    function Get_MaxLength: Integer; safecall;
    function Get_Modified: WordBool; safecall;
    function Get_ParentColor: WordBool; safecall;
    function Get_ParentCtl3D: WordBool; safecall;
    function Get_PlainText: WordBool; safecall;
    function Get_ReadOnly: WordBool; safecall;
    function Get_ScrollBars: TxScrollStyle; safecall;
    function Get_SelLength: Integer; safecall;
    function Get_SelStart: Integer; safecall;
    function Get_SelText: WideString; safecall;
    function Get_Text: WideString; safecall;
    function Get_Visible: WordBool; safecall;
    function Get_WantReturns: WordBool; safecall;
    function Get_WantTabs: WordBool; safecall;
    function Get_WordWrap: WordBool; safecall;
    procedure AboutBox; safecall;
    procedure Clear; safecall;
    procedure ClearSelection; safecall;
    procedure CopyToClipboard; safecall;
    procedure CutToClipboard; safecall;
    procedure PasteFromClipboard; safecall;
    procedure Print(const Caption: WideString); safecall;
    procedure SelectAll; safecall;
    procedure Set_Alignment(Value: TxAlignment); safecall;
    procedure Set_BorderStyle(Value: TxBorderStyle); safecall;
    procedure Set_Color(Value: TColor); safecall;
    procedure Set_Ctl3D(Value: WordBool); safecall;
    procedure Set_Cursor(Value: Smallint); safecall;
    procedure Set_DragCursor(Value: Smallint); safecall;
    procedure Set_DragMode(Value: TxDragMode); safecall;
    procedure Set_Enabled(Value: WordBool); safecall;
    procedure Set_Font(const Value: Font); safecall;
    procedure Set_HideScrollBars(Value: WordBool); safecall;
    procedure Set_HideSelection(Value: WordBool); safecall;
    procedure Set_ImeMode(Value: TxImeMode); safecall;
    procedure Set_ImeName(const Value: WideString); safecall;
    procedure Set_Lines(const Value: IStrings); safecall;
    procedure Set_MaxLength(Value: Integer); safecall;
    procedure Set_Modified(Value: WordBool); safecall;
    procedure Set_ParentColor(Value: WordBool); safecall;
    procedure Set_ParentCtl3D(Value: WordBool); safecall;
    procedure Set_PlainText(Value: WordBool); safecall;
    procedure Set_ReadOnly(Value: WordBool); safecall;
    procedure Set_ScrollBars(Value: TxScrollStyle); safecall;
    procedure Set_SelLength(Value: Integer); safecall;
    procedure Set_SelStart(Value: Integer); safecall;
    procedure Set_SelText(const Value: WideString); safecall;
    procedure Set_Text(const Value: WideString); safecall;
    procedure Set_Visible(Value: WordBool); safecall;
    procedure Set_WantReturns(Value: WordBool); safecall;
    procedure Set_WantTabs(Value: WordBool); safecall;
    procedure Set_WordWrap(Value: WordBool); safecall;
  end;

implementation

uses About23;

{ TRichEditX }

procedure TRichEditX.InitializeControl;
begin
  FDelphiControl := Control as TRichEdit;
  FDelphiControl.OnChange := ChangeEvent;
  FDelphiControl.OnKeyPress := KeyPressEvent;
  FDelphiControl.OnProtectChange := ProtectChangeEvent;
  FDelphiControl.OnSaveClipboard := SaveClipboardEvent;
  FDelphiControl.OnSelectionChange := SelectionChangeEvent;
end;

procedure TRichEditX.EventSinkChanged(const EventSink: IUnknown);
begin
  FEvents := EventSink as IRichEditXEvents;
end;

procedure TRichEditX.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_RichEditXPage); }
end;

function TRichEditX.Get_Alignment: TxAlignment;
begin
  Result := Ord(FDelphiControl.Alignment);
end;

function TRichEditX.Get_BorderStyle: TxBorderStyle;
begin
  Result := Ord(FDelphiControl.BorderStyle);
end;

function TRichEditX.Get_Color: TColor;
begin
  Result := FDelphiControl.Color;
end;

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

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

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

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

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

function TRichEditX.Get_Font: Font;
begin
  GetOleFont(FDelphiControl.Font, Result);
end;

function TRichEditX.Get_HideScrollBars: WordBool;
begin
  Result := FDelphiControl.HideScrollBars;
end;

function TRichEditX.Get_HideSelection: WordBool;
begin
  Result := FDelphiControl.HideSelection;
end;

function TRichEditX.Get_ImeMode: TxImeMode;
begin
  Result := Ord(FDelphiControl.ImeMode);
end;

function TRichEditX.Get_ImeName: WideString;
begin
  Result := WideString(FDelphiControl.ImeName);
end;

function TRichEditX.Get_Lines: IStrings;
begin
  GetOleStrings(FDelphiControl.Lines, Result);
end;

function TRichEditX.Get_MaxLength: Integer;
begin
  Result := FDelphiControl.MaxLength;
end;

function TRichEditX.Get_Modified: WordBool;
begin
  Result := FDelphiControl.Modified;
end;

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

function TRichEditX.Get_ParentCtl3D: WordBool;
begin
  Result := FDelphiControl.ParentCtl3D;
end;

function TRichEditX.Get_PlainText: WordBool;
begin
  Result := FDelphiControl.PlainText;
end;

function TRichEditX.Get_ReadOnly: WordBool;
begin
  Result := FDelphiControl.ReadOnly;
end;

function TRichEditX.Get_ScrollBars: TxScrollStyle;
begin
  Result := Ord(FDelphiControl.ScrollBars);
end;

function TRichEditX.Get_SelLength: Integer;
begin
  Result := FDelphiControl.SelLength;
end;

function TRichEditX.Get_SelStart: Integer;
begin
  Result := FDelphiControl.SelStart;
end;

function TRichEditX.Get_SelText: WideString;
begin
  Result := WideString(FDelphiControl.SelText);
end;

function TRichEditX.Get_Text: WideString;
begin
  Result := WideString(FDelphiControl.Text);
end;

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

function TRichEditX.Get_WantReturns: WordBool;
begin
  Result := FDelphiControl.WantReturns;
end;

function TRichEditX.Get_WantTabs: WordBool;
begin
  Result := FDelphiControl.WantTabs;
end;

function TRichEditX.Get_WordWrap: WordBool;
begin
  Result := FDelphiControl.WordWrap;
end;

procedure TRichEditX.AboutBox;
begin
  ShowRichEditXAbout;
end;

procedure TRichEditX.Clear;
begin

end;

procedure TRichEditX.ClearSelection;
begin

end;

procedure TRichEditX.CopyToClipboard;
begin

end;

procedure TRichEditX.CutToClipboard;
begin

end;

procedure TRichEditX.PasteFromClipboard;
begin

end;

procedure TRichEditX.Print(const Caption: WideString);
begin

end;

procedure TRichEditX.SelectAll;
begin

end;

procedure TRichEditX.Set_Alignment(Value: TxAlignment);
begin
  FDelphiControl.Alignment := TAlignment(Value);
end;

procedure TRichEditX.Set_BorderStyle(Value: TxBorderStyle);
begin
  FDelphiControl.BorderStyle := TBorderStyle(Value);
end;

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

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

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

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

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

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

procedure TRichEditX.Set_Font(const Value: Font);
begin
  SetOleFont(FDelphiControl.Font, Value);
end;

procedure TRichEditX.Set_HideScrollBars(Value: WordBool);
begin
  FDelphiControl.HideScrollBars := Value;
end;

procedure TRichEditX.Set_HideSelection(Value: WordBool);
begin
  FDelphiControl.HideSelection := Value;
end;

procedure TRichEditX.Set_ImeMode(Value: TxImeMode);
begin
  FDelphiControl.ImeMode := TImeMode(Value);
end;

procedure TRichEditX.Set_ImeName(const Value: WideString);
begin
  FDelphiControl.ImeName := TImeName(Value);
end;

procedure TRichEditX.Set_Lines(const Value: IStrings);
begin
  SetOleStrings(FDelphiControl.Lines, Value);
end;

procedure TRichEditX.Set_MaxLength(Value: Integer);
begin
  FDelphiControl.MaxLength := Value;
end;

procedure TRichEditX.Set_Modified(Value: WordBool);
begin
  FDelphiControl.Modified := Value;
end;

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

procedure TRichEditX.Set_ParentCtl3D(Value: WordBool);
begin
  FDelphiControl.ParentCtl3D := Value;
end;

procedure TRichEditX.Set_PlainText(Value: WordBool);
begin
  FDelphiControl.PlainText := Value;
end;

procedure TRichEditX.Set_ReadOnly(Value: WordBool);
begin
  FDelphiControl.ReadOnly := Value;
end;

procedure TRichEditX.Set_ScrollBars(Value: TxScrollStyle);
begin
  FDelphiControl.ScrollBars := TScrollStyle(Value);
end;

procedure TRichEditX.Set_SelLength(Value: Integer);
begin
  FDelphiControl.SelLength := Value;
end;

procedure TRichEditX.Set_SelStart(Value: Integer);
begin
  FDelphiControl.SelStart := Value;
end;

procedure TRichEditX.Set_SelText(const Value: WideString);
begin
  FDelphiControl.SelText := String(Value);
end;

procedure TRichEditX.Set_Text(const Value: WideString);
begin
  FDelphiControl.Text := TCaption(Value);
end;

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

procedure TRichEditX.Set_WantReturns(Value: WordBool);
begin
  FDelphiControl.WantReturns := Value;
end;

procedure TRichEditX.Set_WantTabs(Value: WordBool);
begin
  FDelphiControl.WantTabs := Value;
end;

procedure TRichEditX.Set_WordWrap(Value: WordBool);
begin
  FDelphiControl.WordWrap := Value;
end;

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

procedure TRichEditX.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 TRichEditX.ProtectChangeEvent(Sender: TObject; StartPos,
  EndPos: Integer; var AllowChange: Boolean);
var
  TempAllowChange: WordBool;
begin
  TempAllowChange := WordBool(AllowChange);
  if FEvents <> nil then FEvents.OnProtectChange(StartPos, EndPos, TempAllowChange);
  AllowChange := Boolean(TempAllowChange);
end;

procedure TRichEditX.SaveClipboardEvent(Sender: TObject; NumObjects,
  NumChars: Integer; var SaveClipboard: Boolean);
var
  TempSaveClipboard: WordBool;
begin
  TempSaveClipboard := WordBool(SaveClipboard);
  if FEvents <> nil then FEvents.OnSaveClipboard(NumObjects, NumChars, TempSaveClipboard);
  SaveClipboard := Boolean(TempSaveClipboard);
end;

procedure TRichEditX.SelectionChangeEvent(Sender: TObject);
begin
  if FEvents <> nil then FEvents.OnSelectionChange;
end;

initialization
  TActiveXControlFactory.Create(
    ComServer,
    TRichEditX,
    TRichEdit,
    Class_RichEditX,
    23,
    '{FA7B855E-9ED7-11D0-AA40-444553540000}',
    0);
end.