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I wrote an QT-application, which shows a "QTreeWidget" of a certain directory and its sub-directories. Now I would like to make unity open a folder e.g. /home/Username/, by clicking one of the applications "QTreeWidgetItems".

Unfortunately i don't know how the communication between Unity and the Qt-app works.
Can somebody tell me how that could be done ?

Thank you,
DocCruiser

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There's no such thing as a Unity folder. Can you update your answer to explain exactly what you want to happen? I don't understand what you mean by making Unity open a folder. –  Jo-Erlend Schinstad Mar 5 '12 at 15:33
    
I mean the usual folder from the filemanager. –  DocCruiser Mar 5 '12 at 16:25
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1 Answer

The default manager is Ubuntu is nautilus. You can open a folder with nautilus with this command

nautilus /path/to/folder

But this will only work when nautilus is installed (i.e. in gnome or plain Ubuntu). You can also use this command:

xdg-open /path/to/folder

This should open the folder with the default file-manager of the user. It will work the same way that the above command for plain Ubuntu, but will open Konkeror in Kubuntu or Thunar in Xubuntu.

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Thank you Javier. I solved the problem allready yesterday after reading an article about nautilus. help.ubuntu.com/community/DefaultFileManager. Thank you for your help. –  DocCruiser Mar 6 '12 at 14:44
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