X2Go Bug report logs - #1010
Slow repaint on window move (single application)

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Message #5 received at submit@bugs.x2go.org (full text, mbox, reply):

From: Sebastian Loncar <sebastian.loncar@gmail.com>

To: submit@bugs.x2go.org

Subject: Slow repaint on window move (single application)

Date: Sat, 19 Mar 2016 01:25:31 +0100

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Package: x2goclient
Version: 4.0.5.1

When connecting in single application mode, and you move the window by
dragging the title bar,  the app freezes. If you have two windows open, you
see on the windows behind the top window a very slow repaint (up to a
minute, depends on how long you moved the window before). After repaint,
the app works again.

This issue does not happen, if you maximize/restore the window or move them
to another monitor via keyboard shortcut.

Please see the attachment. I moved the xterm from the middle to the right,
i took the screenshot while the very long repaint process.

With this bug, the single app mode is nearly useless.

I'm using XFCE4 on Arch Linux.

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[Screenshot_2016-03-19_01-11-00.jpg (image/jpeg, attachment)]

Message #10 received at 1010@bugs.x2go.org (full text, mbox, reply):

From: Thomas Watson <twatson52@icloud.com>

To: 1010@bugs.x2go.org

Subject: Issue on OS X

Date: Mon, 16 May 2016 14:48:08 -0400

I have the exact problem with an Ubuntu 14.04 server and OSX 10.11 client. I set single application mode to launch /usr/bin/xterm. Moving the window incurs a 3 or 4 second delay before the application is responsive again. For the app I want to use (MATLAB), this makes single app mode completely useless for me as well. It pops up lots of small windows as GUI elements and these also have a slightly faster 1 or 2 second delay.

Message #17 received at 1010@bugs.x2go.org (full text, mbox, reply):

From: Sukhu patel <sukhupatel@hotmail.com>

Subject: Get Rank On first Page in Search Engine.

Date: Mon, 6 Feb 2017 09:43:23 +0000

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Message #22 received at 1010@bugs.x2go.org (full text, mbox, reply):

From: Sebastian Loncar <sebastian.loncar@gmail.com>

To: 1010@bugs.x2go.org

Subject: Feedback

Date: Wed, 8 Mar 2017 10:13:02 +0100

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This issue is now 1 year old. It would be nice, if somebody could give a
short feedback if this issue wold be fixed in the future. I found out, this
issue occurs not in my local LAN, only via Internet. But the application
itself is very responsive (via internet, and the connection is fast), only
when moving the windows, there's a horrible slow repaint of the background.

Mit freundlichen Grüßen,
Sebastian Loncar
Geschäftsführer der Tamani UG
Mobil 0151-22389000

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Message #27 received at 1010@bugs.x2go.org (full text, mbox, reply):

From: Aki Ketolainen <akik@mykolab.com>

To: sebastian.loncar@gmail.com, 1010@bugs.x2go.org

Subject: Re: Slow repaint on window move (single application)

Date: Fri, 31 Mar 2017 10:29:49 +0300

Hi,

I noticed yesterday that disabling "show window contents while moving"
in Mate desktop and XFCE fix this behaviour. I haven't found the setting
to do this in Unity, though. Also KDE, LXDE and Windows on the client 
side
don't show this behaviour.

@sunweaver on #x2go on freenode commented that
"21:55 <@sunweaver> I guess a sustainabe fix is grabbing the window 
content client side and keep
                    that static pixmap until movement is over."

Best regards,

Aki

Message #32 received at 1010-quiet@bugs.x2go.org (full text, mbox, reply):

From: Stefan Baur <X2Go-ML-1@baur-itcs.de>

To: 1010-quiet@bugs.x2go.org

Subject: Closing

Date: Mon, 15 Jan 2024 21:33:45 +0100

Control: close -1
Control: archive -1


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