Add hypr_mon_guard

sdata/subcmd-virtmon/0.run.sh

@@ -5,6 +5,21 @@
 
 ensure_cmds wayvnc lsof jq ip
 
+enable_hypr_mon_guard(){
+  if ! pgrep -x hypr_mon_guard >/dev/null 2>&1; then
+    if PATH=$PATH:${REPO_ROOT}/sdata/subcmd-virtmon command -v hypr_mon_guard ; then
+      echo "Running hypr_mon_guard."
+      PATH=$PATH:${REPO_ROOT}/sdata/subcmd-virtmon setsid hypr_mon_guard > $(mktemp) 2>&1 &
+    else
+      echo "Script hypr_mon_guard not found."
+      exit 1
+    fi
+  fi
+}
+if [[ "${ENABLE_HYPR_MON_GUARD}" = true ]]; then
+  enable_hypr_mon_guard
+fi
+
 readarray -t vmon_ids < <(hyprctl -j monitors all | jq -r '.[] | select(.name | test("^TESTER-")) | .name | sub("^TESTER-"; "")')
 
 if [[ "${CLEAN_TESTER_MONITORS}" = true ]]; then
@@ -43,7 +58,7 @@ vmon_tester=TESTER-$vnc_port
 echo "Creating tester monitor..."
 x hyprctl output create headless ${vmon_tester}
 
-echo "Setting geometry..."
+echo "Setting properties of tester monitor..."
 x hyprctl keyword monitor ${vmon_tester},${VMON_RESOLUTION}@${VMON_FPS},${VMON_POSITION},${VMON_SCALE}${VMON_EXTRA}
 
 e="%s${STY_RST}\n"

sdata/subcmd-virtmon/hypr_mon_guard

@@ -0,0 +1,11 @@
+#!/usr/bin/bash
+# This script is to prevent hyprland from not responding to any input when no monitor is enabled.
+# The shebang cannot be #!/usr/bin/env bash , idk why
+while true; do
+readarray -t enabled_mons < <(hyprctl -j monitors all | jq -r '.[] | select(.disabled == false) | .name')
+#if -z "$enabled_mons"; then
+if [ ${#enabled_mons[@]} -eq 0 ]; then
+hyprctl reload
+fi
+sleep 10
+done

sdata/subcmd-virtmon/options.sh

@@ -21,6 +21,8 @@ Options:
   -h, --help       Show this help message and exit
   -c, --clean      Clean all tester monitors and wayvnc sessions and exit
   -d, --daemon     Run in background
+  -g, --guard      Enable hypr_mon_guard so it will be safe to
+                   temporarily disable monitors using hyprctl.
 
 For the syntax of following options, see also Hyprland Wiki:
   https://wiki.hypr.land/Configuring/Monitors
@@ -29,7 +31,7 @@ For the syntax of following options, see also Hyprland Wiki:
       --pos <pos>  Position, by default ${STY_UNDERLINE}$VMON_POSITION${STY_RST}
                    Examples: ${STY_UNDERLINE}auto-left${STY_RST}, ${STY_UNDERLINE}0x-1080${STY_RST}
       --sca <sca>  Scale, by default ${STY_UNDERLINE}$VMON_SCALE${STY_RST}
-      --ext <ext>  Extra args, e.g. ${STY_UNDERLINE}transform, 1${STY_RST}
+      --ext <ext>  Extra properties, e.g. ${STY_UNDERLINE}transform, 1${STY_RST}
 
 Tip: Recommended VNC client:
 - Android: AVNC (https://github.com/gujjwal00/avnc)
@@ -39,8 +41,8 @@ Tip: Recommended VNC client:
 }
 # `man getopt` to see more
 para=$(getopt \
-  -o hcd \
+  -o hcdg \
-  -l help,clean,daemon,res:,fps:,pos:,sca:,ext: \
+  -l help,clean,daemon,guard,res:,fps:,pos:,sca:,ext: \
   -n "$0" -- "$@")
 [ $? != 0 ] && echo "$0: Error when getopt, please recheck parameters." && exit 1
 #####################################################################################
@@ -58,6 +60,7 @@ while true ; do
   case "$1" in
     -c|--clean) CLEAN_TESTER_MONITORS=true;shift;;
     -d|--daemon) RUNNING_IN_BACKGROUND=true;shift;;
+    -g|--guard) ENABLE_HYPR_MON_GUARD=true;shift;;
     --res) VMON_RESOLUTION="$2";shift 2;;
     --fps) VMON_FPS="$2";shift 2;;
     --pos) VMON_POSITION="$2";shift 2;;