unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ComCtrls;
type
TForm1 =
class(TForm)
RichEdit1: TRichEdit;
RichEdit2: TRichEdit;
procedure FormCreate(Sender: TObject);
private
procedure InitRichEditURLDetection(RE : TRichEdit);
public
{ Public declarations }
protected
procedure WndProc(
var Msg: TMessage);
override;
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
uses ShellApi, RichEdit;
procedure TForm1.InitRichEditURLDetection(RE: TRichEdit);
var
mask: Word;
begin
mask := SendMessage(RE.Handle, EM_GETEVENTMASK, 0, 0);
SendMessage(RE.Handle, EM_SETEVENTMASK, 0, mask
or ENM_LINK);
SendMessage(RE.Handle, EM_AUTOURLDETECT, Integer(True), 0);
end;
procedure TForm1.FormCreate(Sender: TObject);
var
s:
string;
begin
InitRichEditURLDetection(RichEdit1);
s:='
Great Delphi tutorials and articles at ' +
'
http://www.delphi.about.com.' + #13#10 +
'
About Delphi Programming site!' + #13#10 +
'
Send an email to your Guide: mailto:delphi.guide@about.com';
RichEdit1.Text := s;
s:= '
http://www.delphi.about.com. ' +
'
This Rich Edit does not recognize URLs!';
RichEdit2.Text := s
end;
procedure TForm1.WndProc(
var Msg: TMessage);
var
p: TENLink;
sURL:
string;
CE : TRichEdit;
begin
if (Msg.Msg = WM_NOTIFY)
then
begin
if (PNMHDR(Msg.lParam).code = EN_LINK)
then
begin
p := TENLink(Pointer(TWMNotify(Msg).NMHdr)^);
if (p.Msg = WM_LBUTTONDOWN)
then
begin
try
CE := TRichEdit(Form1.ActiveControl);
SendMessage(CE.Handle, EM_EXSETSEL, 0, Longint(@(p.chrg)));
sURL := CE.SelText;
ShellExecute(
Handle, '
open', PChar(sURL), 0, 0, SW_SHOWNORMAL);
except
end;
end;
end;
end;
inherited;
end;
(* TForm1.WndProc *)
end.
(* unit1.pas *)
{
********************************************
Zarko Gajic
About.com Guide to Delphi Programming
[url]http://delphi.about.com[/url]
email: [email]delphi.guide@about.com[/email]
free newsletter: [url]http://delphi.about.com/library/blnewsletter.htm[/url]
forum: [url]http://forums.about.com/ab-delphi/start/[/url]
********************************************