Текстовый редактор в Lazarus

unit Unit1;
 
{$MODE Delphi}
 
interface
 
uses
  LCLIntf, Messages, SysUtils, Classes, Graphics, Controls, Forms,
  Dialogs, Menus, StdCtrls, LResources;
 
type
  TForm1 = class(TForm)
    Memo1: TMemo;
    MainMenu1: TMainMenu;
    OpenDialog1: TOpenDialog;
    SaveDialog1: TSaveDialog;
    N1: TMenuItem;
    N2: TMenuItem;
    N3: TMenuItem;
    N4: TMenuItem;
    N5: TMenuItem;
    N6: TMenuItem;
    N7: TMenuItem;
    N8: TMenuItem;
    N9: TMenuItem;
    N10: TMenuItem;
    N11: TMenuItem;
    N12: TMenuItem;
    N13: TMenuItem;
    N14: TMenuItem;
    procedure N3Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure N4Click(Sender: TObject);
    procedure N5Click(Sender: TObject);
    procedure N6Click(Sender: TObject);
    procedure N7Click(Sender: TObject);
    procedure N9Click(Sender: TObject);
    procedure N8Click(Sender: TObject);
    procedure N10Click(Sender: TObject);
    procedure N11Click(Sender: TObject);
    procedure N13Click(Sender: TObject);
    procedure N14Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
  Rect: TRect;
  EditFile: String;
 
implementation
 
uses Unit2, Unit3;
 
 
procedure TForm1.N3Click(Sender: TObject);
begin
if OpenDialog1.Execute then
EditFile := Form1.OpenDialog1.FileName;
Memo1.Lines.LoadFromFile(EditFile);
Form1.Caption := ExtractFileName(EditFile)+' - Блокнот';
end;
 
procedure TForm1.FormCreate(Sender: TObject);
begin
SendMessage(Memo1.Handle, EM_GETRECT, 0, LongInt(@Rect));
Rect.Left:= 4;
Rect.Top:= 4;
SendMessage(Memo1.Handle, EM_SETRECT, 0, LongInt(@Rect));
Memo1.Refresh;
Form1.Caption := 'Blokonotik';
end;
 
procedure TForm1.N4Click(Sender: TObject);
begin
if EditFile='' then
if SaveDialog1.Execute then
begin
EditFile := SaveDialog1.FileName;
Case Form1.SaveDialog1.FilterIndex of
1 : EditFile:=ChangeFileExt(EditFile,'.txt');
end;
end;
 
Memo1.Lines.SaveToFile(EditFile);
 
Memo1.Lines.SaveToFile(EditFile);
end;
 
procedure TForm1.N5Click(Sender: TObject);
begin
if SaveDialog1.Execute then
begin
EditFile := SaveDialog1.FileName;
Case Form1.SaveDialog1.FilterIndex of
1 : EditFile:=ChangeFileExt(EditFile,'.txt');
end;
end;
 
Memo1.Lines.SaveToFile(EditFile);
 
end;
 
procedure TForm1.N6Click(Sender: TObject);
begin
Close;
end;
 
procedure TForm1.N7Click(Sender: TObject);
begin
Memo1.CutToClipboard;
end;
 
procedure TForm1.N9Click(Sender: TObject);
begin
Memo1.CopyToClipboard;
end;
 
procedure TForm1.N8Click(Sender: TObject);
begin
Memo1.PasteFromClipboard;
end;
 
procedure TForm1.N10Click(Sender: TObject);
begin
Memo1.ClearSelection;
end;
 
procedure TForm1.N11Click(Sender: TObject);
begin
Memo1.SelectAll;
end;
 
procedure TForm1.N13Click(Sender: TObject);
begin
Form2.ShowModal;
end;
 
procedure TForm1.N14Click(Sender: TObject);
begin
Form3.ShowModal;
end;
 
initialization
  {$i Unit1.lrs}
  {$i Unit1.lrs}
 
end.