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setup environment based on a connected display
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| # place in /usr/share/gdm/greeter/autostart/setup-tv.desktop | |
| [Desktop Entry] | |
| Type=Application | |
| Name=Setup TV | |
| Exec=/home/ichi/bin/setup_tv.zsh | |
| NoDisplay=true | |
| X-GNOME-AutoRestart=true |
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| #!/usr/bin/env zsh | |
| if [ "$(md5sum /sys/class/drm/card0-HDMI-A-1/edid)" = "82e44c737eaede4d7e947d1579d24474 /sys/class/drm/card0-HDMI-A-1/edid" ]; then | |
| echo "Identified the Samsung TV in the bedroom" | |
| # set underscan | |
| xrandr --output HDMI-0 --set underscan on | |
| xrandr --output HDMI-0 --set "underscan hborder" 48 --set "underscan vborder" 24 | |
| # disable laptop display | |
| xrandr --output VGA-0 --off --output LVDS --off --output HDMI-0 --primary --mode 1920x1080 --pos 118x184 --rotate normal | |
| # set a dpi of 200 so everything scales so I can see it from the couch | |
| tmp="$(mktemp)" | |
| echo "Xft.dpi: 200" > "$tmp" | |
| xrdb -merge "$tmp" | |
| notify-send hello "from tv" | |
| fi |
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