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DRKB - это самая большая и удобная в использовании база знаний по Дельфи в рунете, составленная Виталием Невзоровым

Как выделить URL в TRichEdit?

01.01.2007
{....}
 
 
protected
    procedure
WndProc(var Message: TMessage); override;
 
{....}
 
 
uses
Richedit, ShellApi;
 
{Today I want to show how to implement URL highlighting and URL navigation
without any third
-party components. This functionality is implemented in
RichEdit from Microsoft (and MS Outlook use this feature, for example) and
only
Borland's developers didn't publish it for us.}
 
procedure TForm1
.FormCreate(Sender: TObject);
var
  mask
: Word;
begin
  mask
:= SendMessage(RichEdit1.Handle, EM_GETEVENTMASK, 0, 0);
 
SendMessage(RichEdit1.Handle, EM_SETEVENTMASK, 0, mask or ENM_LINK);
 
SendMessage(RichEdit1.Handle, EM_AUTOURLDETECT, Integer(True), 0);
 
 
//Some text in RichEdit
  RichEdit1
.Text := 'Scalabium Software'#13#10 +
   
' Site is located at www.scalabium.com. Welcome to our site.';
end;
 
procedure TForm1
.WndProc(var Message: TMessage);
var
  p
: TENLink;
  strURL
: string;
begin
 
if (Message.Msg = WM_NOTIFY) then
 
begin
   
if (PNMHDR(Message.lParam).code = EN_LINK) then
   
begin
      p
:= TENLink(Pointer(TWMNotify(Message).NMHdr)^);
     
if (p.Msg = WM_LBUTTONDOWN) then
     
begin
       
SendMessage(RichEdit1.Handle, EM_EXSETSEL, 0, Longint(@(p.chrg)));
        strURL
:= RichEdit1.SelText;
       
ShellExecute(Handle, 'open', PChar(strURL), 0, 0, SW_SHOWNORMAL);
     
end
   
end
 
end;
 
  inherited
;
end;

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