desktop-test.out

$ xrandr --output HDMI2 --auto --right-of eDP1
WMeDP1:O1:o2:f3:f4:f5:LT:TT:G
monitor_geometry 0x00200001 1600x900+0+0
monitor_add 0x00200040 HDMI2 1920x1200+1600+0
WMeDP1:O1:o2:f3:f4:f5:LT:TT:G:mHDMI2
desktop_add 0x00200042 Desktop 0x00200040
WMeDP1:O1:o2:f3:f4:f5:LT:TT:G:mHDMI2:FDesktop:LT
monitor_geometry 0x00200001 1600x900+0+0
monitor_geometry 0x00200040 1920x1200+1600+0

RRScreenChangeNotify event, serial 18, synthetic NO, window 0xe2,
    root 0xe2, timestamp 36511384, config_timestamp 35751319
    size_index 65535, subpixel_order SubPixelUnknown
    rotation RR_Rotate_0
    width 3520, height 1200, mwidth 926, mheight 316

RRNotify event, serial 18, synthetic NO, window 0xe2,
    subtype XRRCrtcChangeNotifyEvent
    crtc 63, mode 1600x900, rotation RR_Rotate_0
    x 0, y 0, width 1600, height 900

RRNotify event, serial 18, synthetic NO, window 0xe2,
    subtype XRRCrtcChangeNotifyEvent
    crtc 64, mode 1920x1200, rotation RR_Rotate_0
    x 1600, y 0, width 1920, height 1200

RRNotify event, serial 18, synthetic NO, window 0xe2,
    subtype XRRCrtcChangeNotifyEvent
    crtc 65, mode None, rotation RR_Rotate_0
    x 0, y 0, width 0, height 0

RRNotify event, serial 18, synthetic NO, window 0xe2,
    subtype XRRCrtcChangeNotifyEvent
    crtc 66, mode None, rotation RR_Rotate_0
    x 0, y 0, width 0, height 0

RRNotify event, serial 18, synthetic NO, window 0xe2,
    subtype XRROutputChangeNotifyEvent
    output eDP1, crtc 63, mode 1600x900 (1600x900)
    rotation RR_Rotate_0
    connection RR_Connected, subpixel_order SubPixelUnknown

RRNotify event, serial 18, synthetic NO, window 0xe2,
    subtype XRROutputChangeNotifyEvent
    output DP1, crtc None, mode None
    rotation RR_Rotate_0
    connection RR_Disconnected, subpixel_order SubPixelUnknown

RRNotify event, serial 18, synthetic NO, window 0xe2,
    subtype XRROutputChangeNotifyEvent
    output HDMI1, crtc None, mode None
    rotation RR_Rotate_0
    connection RR_Disconnected, subpixel_order SubPixelUnknown

RRNotify event, serial 18, synthetic NO, window 0xe2,
    subtype XRROutputChangeNotifyEvent
    output HDMI2, crtc 64, mode 1920x1200 (1920x1200)
    rotation RR_Rotate_0
    connection RR_Connected, subpixel_order SubPixelUnknown

RRNotify event, serial 18, synthetic NO, window 0xe2,
    subtype XRROutputChangeNotifyEvent
    output VIRTUAL1, crtc None, mode None
    rotation RR_Rotate_0
    connection RR_Disconnected, subpixel_order SubPixelNone
$ bspc monitor HDMI2 -a new
desktop_add 0x00200043 new 0x00200040
WMeDP1:O1:o2:f3:f4:f5:LT:TT:G:mHDMI2:FDesktop:fnew:LT

PropertyNotify event, serial 35, synthetic NO, window 0xe2,
    atom 0x12f (_NET_NUMBER_OF_DESKTOPS), time 36512438, state PropertyNewValue

PropertyNotify event, serial 35, synthetic NO, window 0xe2,
    atom 0x133 (_NET_DESKTOP_NAMES), time 36512438, state PropertyNewValue
$ bspc desktop Desktop -r
desktop_remove 0x00200040 0x00200042
WMeDP1:O1:o2:f3:f4:f5:LT:TT:G:mHDMI2:fnew
WMeDP1:O1:o2:f3:f4:f5:LT:TT:G:mHDMI2:fnew

PropertyNotify event, serial 37, synthetic NO, window 0xe2,
    atom 0x132 (_NET_CURRENT_DESKTOP), time 36513443, state PropertyNewValue

PropertyNotify event, serial 37, synthetic NO, window 0xe2,
    atom 0x12f (_NET_NUMBER_OF_DESKTOPS), time 36513443, state PropertyNewValue

PropertyNotify event, serial 37, synthetic NO, window 0xe2,
    atom 0x133 (_NET_DESKTOP_NAMES), time 36513443, state PropertyNewValue
$ xrandr --output HDMI2 --off

RRScreenChangeNotify event, serial 38, synthetic NO, window 0xe2,
    root 0xe2, timestamp 36511384, config_timestamp 35751319
    size_index 65535, subpixel_order SubPixelUnknown
    rotation RR_Rotate_0
    width 3520, height 1200, mwidth 926, mheight 316
monitor_geometry 0x00200001 1600x900+0+0
desktop_add 0x00200044 Desktop 0x00200040
WMeDP1:O1:o2:f3:f4:f5:LT:TT:G:mHDMI2:FDesktop:LT
monitor_geometry 0x00200001 1600x900+0+0

RRNotify event, serial 38, synthetic NO, window 0xe2,
    subtype XRRCrtcChangeNotifyEvent
    crtc 64, mode None, rotation RR_Rotate_0
    x 0, y 0, width 0, height 0

RRNotify event, serial 38, synthetic NO, window 0xe2,
    subtype XRROutputChangeNotifyEvent
    output HDMI2, crtc None, mode None
    rotation RR_Rotate_0
    connection RR_Connected, subpixel_order SubPixelUnknown

ConfigureNotify event, serial 38, synthetic NO, window 0xe2,
    event 0xe2, window 0xe2, (0,0), width 3520, height 1200,
    border_width 0, above 0x0, override NO

ConfigureNotify event, serial 38, synthetic NO, window 0xe2,
    event 0xe2, window 0x7a, (0,0), width 1600, height 900,
    border_width 0, above 0x3200048, override YES

RRScreenChangeNotify event, serial 38, synthetic NO, window 0xe2,
    root 0xe2, timestamp 36514450, config_timestamp 35751319
    size_index 0, subpixel_order SubPixelUnknown
    rotation RR_Rotate_0
    width 1600, height 900, mwidth 421, mheight 237

ConfigureNotify event, serial 38, synthetic NO, window 0xe2,
    event 0xe2, window 0xe2, (0,0), width 1600, height 900,
    border_width 0, above 0x0, override NO

PropertyNotify event, serial 38, synthetic NO, window 0xe2,
    atom 0x12f (_NET_NUMBER_OF_DESKTOPS), time 36514489, state PropertyNewValue

PropertyNotify event, serial 38, synthetic NO, window 0xe2,
    atom 0x133 (_NET_DESKTOP_NAMES), time 36514489, state PropertyNewValue
$ bspc monitor HDMI2 -r
monitor_remove 0x00200040
desktop_remove 0x00200040 0x00200044
WMeDP1:O1:o2:f3:f4:f5:LT:TT:G:mHDMI2
WMeDP1:O1:o2:f3:f4:f5:LT:TT:G:mHDMI2
WMeDP1:O1:o2:f3:f4:f5:LT:TT:G

PropertyNotify event, serial 41, synthetic NO, window 0xe2,
    atom 0x132 (_NET_CURRENT_DESKTOP), time 36515489, state PropertyNewValue

PropertyNotify event, serial 41, synthetic NO, window 0xe2,
    atom 0x12f (_NET_NUMBER_OF_DESKTOPS), time 36515489, state PropertyNewValue

PropertyNotify event, serial 41, synthetic NO, window 0xe2,
    atom 0x133 (_NET_DESKTOP_NAMES), time 36515490, state PropertyNewValue

DestroyNotify event, serial 41, synthetic NO, window 0xe2,
    event 0xe2, window 0x200041

desktop-test.sh

#!/bin/bash

set -eu


output1=$1
output2=$2

trap 'kill $(jobs -pr)' SIGINT SIGTERM EXIT

function trace()
{
    echo "$ ""$@"
    "$@"
}

bspc config remove_disabled_monitors false
bspc config remove_unplugged_monitors false


bspc subscribe report monitor desktop node &
xev -root &

trace xrandr --output $output2 --auto --right-of $output1
sleep 1
trace bspc monitor $output2 -a new
sleep 1
trace bspc desktop Desktop -r
sleep 1
trace xrandr --output $output2 --off
sleep 1
trace bspc monitor $output2 -r
sleep 1