MultipleScreenPowersave

Warning

This repository has been archived and migrated to https://codeberg.org/moormaster/MultipleScreenPowersave

Experimental tool for automatically switching off unused monitors in a multiple monitor setup. Monitors are considered USED when at least one of the conditions is met

• at least one window is being shown
• the mouse cursor is located on it

Requirements:

• Monitors supporting to be switched on and of via DDC/CI
• Windows operating system
• Linux:
  • ddcutil
  • light
  • xdotool

Configuration file appsettings.json

Configuration file specifying regex-based blacklist entries for

• physical monitors
• windows by processName or windowTitle

The default appsettings.configuration provided

• always blacklists the primary monitor
• blacklists some basic windows processes
  • explorer used to display the desktop
  • TextInputHost used for redirecting text input

Build

You need to have .net sdk 8.x installed.

dotnet build --configuration Release

Executable files and their dependencies are being created in folder MultipleScreenPowersave/bin/Release/net8.0-windows/

Problems

• Some windows are reported as being "shown" though they are only returned by the API. To prevent such a window from keeping a monitor turned on indefinitely those programs need to be blacklisted manually, i.e.:

  {
  	"blacklist": {
  		"windows": [
  			{ "processName": "explorer", "windowTitle": "^(|Program Manager)$" },
  			{ "processName": "ApplicationFrameHost", "windowTitle": "^Einstellungen$" },
  			{ "processName": "LogiOverlay", "windowTitle": "^MainWindow$" },
  			{ "processName": "ShellExperienceHost", "windowTitle": "^Host für die Windows Shell-Oberfläche$" },
  			{ "processName": "SystemSettings", "windowTitle": "^CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US$" },
  			{ "processName": "TextInputHost" }
  		]
  	}
  }
  

  You can take a look at the debug output to see processNames and windowNames of existing windows.

• To enable debug output change restrictedToMinimumLevel in appsettings.json to "Debug":

  "WriteTo": {
    "ConsoleLog": {
      "Name": "Console",
      "Args": {
        "restrictedToMinimumLevel": "Debug"
      }
  },