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{
***************************************************************************
* *
* 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
* *
***************************************************************************
Abstract:
This example demonstrates the html help components.
THTMLHelpDatabase is a database - it contains the mapping from Keyword to
page.
THTMLBrowserHelpViewer is a viewer for HTML pages. It simply starts a
browser.
How was the example created:
Put a THTMLHelpDatabase on a form.
Set AutoRegister to true.
Set KeywordPrefix to 'HTML/'
Set BaseURL to 'file://html/'
Put a THTMLBrowserHelpViewer on the form.
Set AutoRegister to true.
Put a TEdit on a form.
Set HelpType to htKeyword
Set HelpKeyword to 'HTML/edit1.html'
Run the program.
Focus the edit field and press F1. A browser will be started to show
the page 'html/edit1.html'.
}
unit Unit1;
{$mode objfpc}{$H+}
interface
uses
Forms, StdCtrls, LazHelpHTML, HelpIntfs;
type
{ TForm1 }
TForm1 = class(TForm)
HelpButton: TButton;
Edit1: TEdit;
Edit2: TEdit;
HTMLBrowserHelpViewer1: THTMLBrowserHelpViewer;
HTMLHelpDatabase1: THTMLHelpDatabase;
procedure FormCreate(Sender: TObject);
procedure HelpButtonClick(Sender: TObject);
private
{ private declarations }
public
{ public declarations }
end;
var
Form1: TForm1;
implementation
{ TForm1 }
procedure TForm1.HelpButtonClick(Sender: TObject);
begin
// This demonstrates how to show a help item manually:
ShowHelpOrErrorForKeyword('','HTML/index.html');
end;
procedure TForm1.FormCreate(Sender: TObject);
const
{$IFDEF Darwin}
HelpShortcut = #$e2#$8c#$98'?';
{$ELSE}
HelpShortcut = 'F1';
{$ENDIF}
begin
HTMLHelpDatabase1.BaseURL:='file://html';
Edit1.Text:='Edit1 - Press '+HelpShortcut+' for help';
Edit2.Text:='Edit2 - Press '+HelpShortcut+' for help';
end;
{$R *.lfm}
end.
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