[Lazarus] Edti's password char with bug?

[William Oliveira Ferreira]

But that code runs under GTK2 and i have this problem on Windows Seven Home
Basic (Where i tested), at night (now here is 05:28 PM) i'll test it on
my Debian 6/Gnome 2
________________________________
William de Oliveira Ferreira
Bacharel em Sistemas de Informação


2011/8/10 Gerard Visent <gerardusmercator at gmail.com>

> Hi Martin,
>
>>
>> Hm, on my system 158 results in a "z" with some tilde or accent.
>>
>
> Same here.
>
>
>>
>> But that is probably the correct behaviour.
>>
>> For some reason the PassWordchar field accepts an ansi char, rather than a
>> utf8 char. So what you will see depends on the codepage of the system on
>> which your app is run. Even if it displays fine on your PC, if you ship the
>> app, other people will see other chars.
>>
>> How or why it becomes an * I do not know...
>>
>
> I found why, but I can't explain the reason behind the code.
> In lcl/interfaces/gtk2/gtk2wsstdctrls :
>
> class procedure TGtk2WSCustomEdit.SetPasswordChar(
>   const ACustomEdit: TCustomEdit; NewChar: char);
> var
>   PWChar: Integer;
>   Entry: PGtkEntry;
> begin
>   if not WSCheckHandleAllocated(ACustomEdit, 'SetPasswordChar') then
>     Exit;
>   Entry := PGtkEntry(ACustomEdit.Handle);
>   if ACustomEdit.EchoMode=emNone then
>     PWChar:=0
>   else begin
>     PWChar:=ord(ACustomEdit.PasswordChar);
>     if (PWChar<192) or (PWChar=ord('*')) then
>       PWChar:=9679;
>   end;
>   gtk_entry_set_invisible_char(Entry,PWChar);
> end;
>
> Commenting the following lines
>
>   if (PWChar<192) or (PWChar=ord('*')) then
>       PWChar:=9679;
>
> allows to display any char. But there must be a reason for this check and
> whoever wrote didn't bother writing a comment.
>
> Regards,
>
> Gerard.
>
>
>
>>
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