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#1 2025-04-21 07:31:38

budman85
Member
Registered: 2025-04-21
Posts: 6
LinuxFirefox 128.0

Double Clicking Folder Desktop Icon Launches Dolphin Filemgr

My Default file manager is Thunar, however, any time I double click a USB icon or Folder icon, Dolphin file manager launches.
I wouldn't mind, but a recent update seems to have introduced a bug in dolphin where the default background is black, can hardly see text.

Doing a chmod a-x /usr/bin/dolphin, works. When I double click the icons, Thunar is launched.
I'd rather find the reason than just remove permissions.

I tried moving thunar.desktop to the beginning of inode/directory, but still same results.

Any idea why dolphin is defaulting for double clicking desktop icons?



> grep inode /usr/share/applications/mimeinfo.cache
inode/directory=easytag.desktop;kfmclient_dir.desktop;org.kde.cervisia.desktop;org.kde.dolphin.desktop;org.kde.dolphinsu.desktop;org.kde.filelight.desktop;org.kde.gwenview.desktop;org.kde.kate.desktop;org.kde.kid3-qt.desktop;org.kde.kid3.desktop;org.kde.krusader.desktop;thunar.desktop;

> grep inode  /home/budman/.config/mimeapps.list
inode/directory=thunar.desktop
inode/directory=thunar.desktop;

> xdg-mime query default inode/directory
thunar.desktop

These all run Thunar:
xdg-open ~/Downloads
exo-open ~/Downloads
gio open ~/Downloads


Regards
Rich

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#2 2025-04-21 10:29:30

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 12,016
LinuxFirefox 137.0

Re: Double Clicking Folder Desktop Icon Launches Dolphin Filemgr

Hello and welcome.

What is the contents of the ~/.config/xfce4/helpers.rc file? Does it list dolphin there?


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#3 2025-04-21 17:38:00

budman85
Member
Registered: 2025-04-21
Posts: 6
LinuxFirefox 128.0

Re: Double Clicking Folder Desktop Icon Launches Dolphin Filemgr

ToZ wrote:

Hello and welcome.

What is the contents of the ~/.config/xfce4/helpers.rc file? Does it list dolphin there?

cat ~/.config/xfce4/helpers.rc
WebBrowser=opera
FileManager=thunar

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#4 2025-04-21 20:56:50

ToZ
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From: Canada
Registered: 2011-06-02
Posts: 12,016
LinuxFirefox 137.0

Re: Double Clicking Folder Desktop Icon Launches Dolphin Filemgr

How about:

ps -ef | grep -i desktop

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#5 2025-04-22 18:41:51

budman85
Member
Registered: 2025-04-21
Posts: 6
LinuxFirefox 128.0

Re: Double Clicking Folder Desktop Icon Launches Dolphin Filemgr

ToZ wrote:

How about:

ps -ef | grep -i desktop

ps -ef | grep -i desktop
budman    3162  3068  0 Mar23 tty1     00:02:26 xfdesktop
budman    3237     1  0 Mar23 ?        00:00:07 /usr/libexec/xdg-desktop-portal

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#6 2025-04-22 21:17:33

ToZ
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From: Canada
Registered: 2011-06-02
Posts: 12,016
LinuxFirefox 137.0

Re: Double Clicking Folder Desktop Icon Launches Dolphin Filemgr

What happens if you kill the xdg-desktop-portal process? Does it work then?

pkill xdg-desktop-portal

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#7 2025-04-23 05:45:19

budman85
Member
Registered: 2025-04-21
Posts: 6
LinuxFirefox 128.0

Re: Double Clicking Folder Desktop Icon Launches Dolphin Filemgr

After killing the process, double click still uses dolphin.
Checking the process is back again.

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#8 2025-04-23 09:56:36

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 12,016
LinuxFirefox 137.0

Re: Double Clicking Folder Desktop Icon Launches Dolphin Filemgr

See: https://wiki.archlinux.org/title/XDG_Desktop_Portal

Which xdg-desktop-portal backend do you have installed?
What are the contents of /usr/share/xdg-desktop-portal/DE-portals.conf file and ~/.config/xdg-desktop-portal/portals.conf?
What does the following return?

echo $XDG_CURRENT_DESKTOP

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#9 2025-04-23 22:21:20

budman85
Member
Registered: 2025-04-21
Posts: 6
LinuxFirefox 128.0

Re: Double Clicking Folder Desktop Icon Launches Dolphin Filemgr

echo $XDG_CURRENT_DESKTOP
XFCE

==========
No file - ~/.config/xdg-desktop-portal/portals.conf

==============
/usr/share/xdg-desktop-portal

kde-portals.conf
[preferred]
default=kde
org.freedesktop.impl.portal.Settings=kde;gtk;

labwc-portals.conf
[preferred]
default=wlr;*
org.freedesktop.impl.portal.Inhibit=none

xfce-portals.conf
[preferred]
default=gtk;
org.freedesktop.impl.portal.Wallpaper=xapp;gtk;
org.freedesktop.impl.portal.Screenshot=xapp;gtk;
org.freedesktop.impl.portal.Background=xapp;gtk;

===
/usr/share/xdg-desktop-portal/portals

gnome-keyring.portal
[portal]
DBusName=org.freedesktop.secrets
Interfaces=org.freedesktop.impl.portal.Secret
UseIn=gnome

kde.portal
[portal]
DBusName=org.freedesktop.impl.portal.desktop.kde
Interfaces=org.freedesktop.impl.portal.Access;org.freedesktop.impl.portal.Account;org.freedesktop.impl.portal.AppChooser;org.freedesktop.impl.portal.Background;org.freedesktop.impl.portal.Email;org.freedesktop.impl.portal.FileChooser;org.freedesktop.impl.portal.Inhibit;org.freedesktop.impl.portal.Notification;org.freedesktop.impl.portal.Print;org.freedesktop.impl.portal.ScreenCast;org.freedesktop.impl.portal.Screenshot;org.freedesktop.impl.portal.RemoteDesktop;org.freedesktop.impl.portal.Settings;org.freedesktop.impl.portal.DynamicLauncher;org.freedesktop.impl.portal.GlobalShortcuts
UseIn=KDE

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#10 2025-04-23 23:21:27

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 12,016
LinuxFirefox 137.0

Re: Double Clicking Folder Desktop Icon Launches Dolphin Filemgr

[preferred]
default=kde
org.freedesktop.impl.portal.Settings=kde;gtk;

I believe this is why.

Have a read of https://forum.xfce.org/viewtopic.php?id=17161 for a discussion a link to bug report about creating an Xfce portal.


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#11 2025-04-24 01:48:41

budman85
Member
Registered: 2025-04-21
Posts: 6
LinuxFirefox 128.0

Re: Double Clicking Folder Desktop Icon Launches Dolphin Filemgr

Tried adding file, but no difference.

I then went into Settings / Session and Startup / Advanced

Launch GNOME and KDE were not checked.
I checked them and restarted X.

Now the double-click is launching Thunar.
I unchecked GNOME and KDE, and rebooted.
Double click is loading Thunar.

Possible there was maybe a residual from KDE in a config.  Or maybe something I recently installed. hmm.
I'm stumped. smile

Last edited by budman85 (2025-04-24 01:51:03)

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