[Interest] When is QDir::Drives useful?

[Nikos Chantziaras]

Heh, mystery resolved.  Thanks for spotting it.


On 31/07/12 10:09, Scott Aron Bloom wrote:
> Actually.. Just found it!!!
>
> It can be used in QDirModel to filter the top level return values...
>
> Scott
>
>
> -----Original Message-----
> From: interest-bounces+scott.bloom=onshorecs.com at qt-project.org [mailto:interest-bounces+scott.bloom=onshorecs.com at qt-project.org] On Behalf Of Scott Aron Bloom
> Sent: Tuesday, July 31, 2012 12:08 AM
> To: Nikos Chantziaras; interest at qt-project.org
> Subject: Re: [Interest] When is QDir::Drives useful?
>
> AHHH... sorry...
>
> In that case.. I believe you are correct...
>
> int main( int argc, char ** argv )
> {
>      QDir root = QDir::root();
>      QStringList drives = root.entryList( QDir::Drives );
>
>      foreach( const QString & drive, drives )
>      {
>          qDebug() << drive;
>      }
> }
>
>
> Returns nothing at all.. Infact, I don’t see the QDir::Drives used in the qfsfilesystem _win.cpp code at all...
>
> It may have been created before the QDir::drives() existed...
>
> Scott
>
> -----Original Message-----
> From: interest-bounces+scott.bloom=onshorecs.com at qt-project.org [mailto:interest-bounces+scott.bloom=onshorecs.com at qt-project.org] On Behalf Of Nikos Chantziaras
> Sent: Monday, July 30, 2012 11:58 PM
> To: interest at qt-project.org
> Subject: Re: [Interest] When is QDir::Drives useful?
>
> "" is equivalent to ".", meaning the current directory.
>
> (Note: this isn't a question about how to get a list of drives.  The
> QDir::drives() function does that.  This is just a question about the intention of the QDir::Drives filter enum.)
>
>
> On 31/07/12 09:43, Scott Aron Bloom wrote:
>> That’s a different question...
>>
>> The contents of "/" on windows as defined by the win32 system calls, will return the data for the drive you are running the app on currently.. Ie, if you are running (your getcwd() return) is a C: drive, "/" will return the contents of C:, if running from D: it will return the contents of D:
>>
>> Loading the data on "/" is not the same as loadng the root for the system, I would try ""
>>
>> Scott
>>
>> -----Original Message-----
>> From: interest-bounces+scott.bloom=onshorecs.com at qt-project.org
>> [mailto:interest-bounces+scott.bloom=onshorecs.com at qt-project.org] On
>> Behalf Of Nikos Chantziaras
>> Sent: Monday, July 30, 2012 11:21 PM
>> To: interest at qt-project.org
>> Subject: Re: [Interest] When is QDir::Drives useful?
>>
>> Nope.  I just tested it under Windows XP and 7.  The contents of "/" are the contents of "C:/".  Which makes sense, since Windows completely lacks the concept of a single root directory.  So I guess the question remains open.
>>
>>
>> On 31/07/12 09:10, Scott Aron Bloom wrote:
>>> That has not been my experience... However, it has been a while since I have used it.  IIRC it would return the list of drives available ...
>>>
>>> Maybe some code would help us figure out what is going on.
>>>
>>> Scott
>>> -----Original Message-----
>>> From: interest-bounces+scott.bloom=onshorecs.com at qt-project.org
>>> [mailto:interest-bounces+scott.bloom=onshorecs.com at qt-project.org] On
>>> Behalf Of Nikos Chantziaras
>>> Sent: Monday, July 30, 2012 11:00 PM
>>> To: interest at qt-project.org
>>> Subject: Re: [Interest] When is QDir::Drives useful?
>>>
>>> The root directory on Windows contains the root directory of the currently active drive.  If the current drive is C:, then the contents consist of stuff like "Windows", "Program Files", "Users", etc.  No drives in there.
>>>
>>>
>>> On 31/07/12 08:26, André Somers wrote:
>>>> How about the root directory on windows, for instance?
>>>>
>>>> André
>>>>
>>>> Op 31 jul. 2012 om 07:21 heeft Nikos Chantziaras <realnc at gmail.com> het volgende geschreven:
>>>>
>>>>> According to:
>>>>>
>>>>>       http://qt-project.org/doc/qt-4.8/qdir.html#Filter-enum
>>>>>
>>>>> "QDir::Drives" lists drives.  Which directory would you have to
>>>>> open though that could possibly contain disk entries?