[Users] [Bug 3922] minimize to tray on startup not working

[noreply at thewildbeast.co.uk]

https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=3922

--- Comment #8 from Daniel Kirchner <daniel at ekpyron.org> ---
Detailed steps to reproduce the issue:

I tested in a default-configured libvirt QEMU/KVM Virtual Machine with a clean
Debian 10 netinst installation. During setup I selected all available desktop
environments (GNOME, Xfce, KDE Plasma, Cinnamon, MATE, LXDE, LXQt) and I chose
sddm as display manager.

After setup I installed claws-mails from git as follows:

  sudo apt-get install build-essential git autoconf automake bison flex libtool
pkg-config libglib2.0-dev libgtk2.0-dev gnutls-dev libetpan-dev

  git clone https://git.claws-mail.org/readonly/claws.git
  cd claws
  ./autogen.sh && make
  sudo make install


Now (on KDE plasma) I ran claws-mail, enabled the notifications plugin and in
Configuration->Preferences->Plugins->Notification->SysTrayIcon I enabled
"Enable Trayicon", "Hide at start-up", "Close to tray" and "Hide when
iconified". And closed claws-mail again.

Now I tried the following on each Display Environment:

KDE Plasma:
 - Running "claws-mail" from terminal in a running session works (hides in
tray).
 - Enable in System Settings -> Startup and Shutdown -> Autostart -> Add
Program "Claws Mail"
 - Logout
 - Login
 - claws mail windows *opens* and does *not* hide in tray.

GNOME:
 - Running "claws-mail" from terminal in a running session does *not* work
(opens window, no tray icon).

MATE:
 - Respects autostart as setup in Plasma, but opens claws-mail window on first
login.
 - However, exiting and opening again from terminal correctly hides in tray.

Xfce:
 - Running "claws-mail" from terminal works (hides in tray).
 - "Settings Manager -> Session and Startup -> Application Autostart -> Add"
command "claws-mail".
 - On next login: works perfectly, claws-mail correctly hides in tray.


Cinnamon:
 - Respects autostart as setup in Plasma, but opens claws-mail window on first
login.
 - Exiting and starting claws-mail again does not work either (opens a window).


LXDE:
 - Running "claws-mail" from terminal in a running session works (hides in
tray).
 - "Preferences->Desktop Session Settings->Automatically Started Applications"
enable "claws-mail" entry.
 - Logout
 - Login
 - Works, correctly hides in tray.

LXQt (using KWin):
 - Respects autostart as setup in Plasma, but opens claws-mail window on first
login.
 - Closing and reopening from terminal does not work (also opens window).

LXQt (using Openbox): same as LXQt with KWin

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