Stack Overflow
Stack Overflow

Questions tagged [display-manager]

45 questions
1
vote
0 answers

How to send message from PAM to Display Manager SDDM?

I'm trying to send a message from the PAM module to the SDDM Display Manager and ultimately reflect the message onto the login screen. I see that here there is a message daemon that the display manager receives but I can't figure out how to send the…
linux_help
  • 11
  • 1
1
vote
1 answer

Using Toolbar to submit SAS code from Editor

When submitting SAS code via the SAS Toolbar (eg cmjohns response) the compiler knows that the code is being "DM'd" and will not run certain code (eg %window). Is there a way to trick SAS into believing that code submitted from the Toolbar is…
Allan Bowe
  • 12,306
  • 19
  • 75
  • 124
1
vote
0 answers

Android MediaRouter splitting audio and video routes to play video on external display via Presentation and audio via bluetooth

I am writing an app that utilizes an external display (HDMI and/or wireless miracast or chromecast display) to play video in a Presentation via the DisplayManager I am trying to force the audio from that video to play via a bluetooth a2dp profile if…
Johnny C
  • 1,799
  • 1
  • 16
  • 27
1
vote
1 answer

How to launch a qt wayland compositor from terminal without a platform like weston launches

i have been using the Qt Wayland plugin for developing a display manager for linux. i tried running the display manager that i built, on a terminal session but it shows like qt.qpa.plugin: Could not find the Qt platform plugin "wyland" in "" This…
Selastin George
  • 75
  • 2
  • 8
1
vote
0 answers

Cannot revert lightdm to gdm3

I have Ubuntu 18.04 installed on my HP laptop. This morning after restart it wasn't able to find my second monitor, which is connected via HDMI. I had those issues before, and fixed them by restarting multiple times, connecting HDMI to my TV etc,…
Radoje Albijanic
  • 43
  • 8
1
vote
0 answers

How to fix: Android Api 28 DisplayManager#getDisplays() function crashes the app

I want to use second display in my compact android device with two screen, it already works in Android API 25 but when I try to work it with API 28, I receive an error like this. My main goal is to check whether display exists, if it exists, show…
esiranli
  • 11
  • 3
1
vote
1 answer

SDDM ignores custom configuration (/etc/sddm.conf)

I've been trying to configure a new theme for SDDM but whatever the changes I do the settings window or manually in /etc/sddm.conf, the embedded default greeter is still the one I get when booting, and the default lock-screen is still the one I get…
Sir Wrexes
  • 101
  • 1
  • 10
1
vote
1 answer

How to pop up a GTK window/widget on top of a full screen application of a different process in Linux?

System information - Debian 8 with gnome display manager. I have two process - say 'A' and 'B'. 'A' is running as a full screen application and another process 'B' is started. All that B does is it creates a GTK widget and displays it. I am trying…
Jainam MJ
  • 301
  • 4
  • 11
1
vote
0 answers

Ubuntu 17.10 doesn't boot after installation in VirtualBox

I have also switched to command interpreter mode by hitting (Ctrl-Alt-F2) and installed all the updates that had been published after the installation. But it still doesn't work. I am stuck here for now. How to I resolve this?
Abhi
  • 314
  • 1
  • 7
  • 23
1
vote
1 answer

Unaesthetic busy/loading animation under LXDE / Openbox

I set up my Raspberry Pi with Raspbian and LXDE as display manager. Now whenever I start an application this animation is shown in the top right corner of the screen. Does anybody know, what triggers this animation and if it can be disabled?
Holger Teske
  • 13
  • 2
1
vote
1 answer

Is there a way to use more than one LWJGL context

I am trying to show two displays at the same time, using threads and showing them on 2 different canvas. Stats of software: OS name Linux OS version 3.16.0-34-generic LWJGL version 2.9.3 OpenGL version 3.3 (Core Profile) Mesa 10.1.3 Code from my…
Eagle
  • 339
  • 1
  • 3
  • 14
1
vote
0 answers

Modifying displayed pixels

Is it possible to easily modify individual pixels displayed on a screen according to a function? For example, suppose a pixel on the screen had values in (Red,Green,Blue) = (25,50,100) and I want to replace that pixel by the ones…
Real
  • 192
  • 1
  • 8
1
vote
0 answers

X Server config used by lightdm

What I want to do is to start a x server just like the lightdm did. But I can't get the X server perform just like the one started by lightdm. I see the X server process executed by lightdm is: root 4984 4978 4 19:57 tty7 00:00:48…
CurtisGuo
  • 339
  • 1
  • 3
  • 10
1
vote
1 answer

Radeon ring buffer usage and modesetting

I'm looking through the drm radeon driver in my linux kernel source. There I have some understanding difficulties, on what settings/modes my Display is actually working. (from the kernel messages i can just tell what microcode is used, what…
k t
  • 343
  • 5
  • 15
1
vote
3 answers

display list management in actionscript 3 applications

Does anyone have suggestions for a good method to manage the display list in an actionscript 3 project? I'm building an application at the moment and keeping track of all the modules which need to be displayed and reordering them has become…
martin
  • 55
  • 1
  • 7
1
2
3