/usr/lib/lazarus/0.9.30.4/examples/scrollbar.pp is in lazarus-src-0.9.30.4 0.9.30.4-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/***************************************************************************
Scrollbar - example
------------------
Initial Revision : Thursday Feb 01 2001
by Shane Miller
***************************************************************************/
***************************************************************************
* *
* This source is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This code is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
***************************************************************************
}
program Scrollbar;
{$mode objfpc}{$H+}
uses
Interfaces, Classes, StdCtrls, Forms, Buttons, Menus, ComCtrls,
SysUtils, ExtCtrls, Controls;
type
TForm1 = class(TFORM)
Scrollbar1 : TScrollbar;
Button1 : TButton;
Button2 : TButton;
Button3 : TButton;
Button4 : TButton;
Procedure Button1Clicked(sender : tobject);
Procedure Button2Clicked(sender : tobject);
Procedure Button3Clicked(sender : tobject);
Procedure Button4Clicked(sender : tobject);
Procedure scrollbar1Changed(sender : tobject);
procedure Scrollbar1OnScroll(Sender: TObject; ScrollCode: TScrollCode; var ScrollPos: Integer);
public
constructor Create(AOwner: TComponent); override;
Procedure FormKill(Sender : TObject);
protected
end;
var
Form1 : TForm1;
constructor TForm1.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
Caption := 'Scrollbar Demo v0.1';
Height := 350;
ScrollBar1 := TSCrollBar.Create(self);
with SCrollbar1 do
Begin
Parent := self;
Kind := sbVertical;
Left := 100;
Top := 50;
Width := 15;
Height := 300;
// align := alRight;
visible := True;
OnChange := @scrollbar1Changed;
OnScroll := @ScrollBar1OnScroll;
end;
Button1 := TButton.create(self);
with Button1 do
begin
Parent := self;
Visible := True;
Caption := 'Button1';
onclick := @button1clicked;
Width := 65;
end;
Button2 := TButton.create(self);
with Button2 do
begin
Parent := self;
Left := 65;
Visible := True;
Caption := 'Button2';
onclick := @button2clicked;
Width := 65;
end;
Button3 := TButton.create(self);
with Button3 do
begin
Parent := self;
Left := 130;
Visible := True;
Caption := 'Button3';
onclick := @button3clicked;
Width := 65;
end;
Button4 := TButton.create(self);
with Button4 do
begin
Parent := self;
Left := 195;
Visible := True;
Caption := 'Button4';
onclick := @button4clicked;
Width := 65;
end;
end;
procedure TForm1.FormKill(Sender : TObject);
Begin
End;
Procedure TForm1.Button1Clicked(sender : tobject);
Begin
Writeln('[Button1cvlikced]');
if ScrollBar1.Kind = sbHorizontal then
Scrollbar1.Kind := sbVertical else
Scrollbar1.kind := sbHorizontal;
end;
Procedure TForm1.Button2Clicked(sender : tobject);
Begin
ScrollBar1.Min := ScrollBar1.Min + 20;
end;
Procedure TForm1.Button3Clicked(sender : tobject);
Begin
ScrollBar1.Max := ScrollBar1.Max + 25;
end;
Procedure TForm1.Button4Clicked(sender : tobject);
Begin
Scrollbar1.Position := ScrollBar1.Position + 5;
end;
Procedure TForm1.scrollbar1Changed(sender : tobject);
Begin
Caption := 'Scrollbar Demo - Position = '+Inttostr(Scrollbar1.Position);
End;
Procedure TForm1.Scrollbar1OnScroll(Sender: TObject; ScrollCode: TScrollCode; var ScrollPos: Integer);
Begin
Writeln('.............Scrolled...............');
End;
begin
Application.Initialize; { calls InitProcedure which starts up GTK }
Application.CreateForm(TForm1, Form1);
Application.Run;
end.
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