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#!/bin/bash
# Host-side script to keep QEMU guest display awake without triggering anything
# and handle Windows key logic (disable it in the guest, map Caps Lock to Windows key).
MONITOR_SOCKET_DIR="$HOME/machines/vm"
QEMU_CLASS="qemu-system-x86_64"
SEND_CMD_MONITOR="sendkey f15"
SEND_CMD_XDO="key --clearmodifiers F15"
DISABLE_WINDOWS_KEY_CMD="sendkey meta_l NoSymbol" # Using ctrl_l as a placeholder
CAPS_LOCK_CMD="sendkey meta_l" # Remapped Caps Lock to Super_L (Windows key)
## Function to disable the Windows key and remap Caps Lock to Super_L
#disable_windows_key_and_remap_caps_lock() {
# shopt -s nullglob
# sockets=("$MONITOR_SOCKET_DIR"/*.socket)
# shopt -u nullglob
#
# for socket in "${sockets[@]}"; do
# # Get VM name from socket file
# VM_NAME=$(basename "$socket" .socket)
# VM_NAME=${VM_NAME%-serial}
#
# # Send QMP command to disable Windows key (Super_L key press/remap)
# qmp_command='{"execute": "device_key_press", "arguments": {"dev": "virtio-keyboard-pci", "key": "capslock"}}'
# echo "$qmp_command" | socat - "UNIX-CONNECT:$socket" >/dev/null
#
# # Send QMP command to remap Caps Lock to Super_L (Windows key)
# qmp_command='{"execute": "guest-execute", "arguments": {"path": "/usr/bin/xmodmap", "arg": ["-e", "keycode 66 = Super_L"]}}'
# echo "$qmp_command" | socat - "UNIX-CONNECT:$socket" >/dev/null
#
# # Optional: Disable Super_L key (Windows key)
# qmp_command='{"execute": "guest-execute", "arguments": {"path": "/usr/bin/xmodmap", "arg": ["-e", "keycode 133 = NoSymbol"]}}'
# echo "$qmp_command" | socat - "UNIX-CONNECT:$socket" >/dev/null
# done
#}
# Function to keep the guest display awake by sending F15 key press
keep_guest_display_awake() {
shopt -s nullglob
sockets=("$MONITOR_SOCKET_DIR"/*.socket)
shopt -u nullglob
if [ ${#sockets[@]} -eq 0 ]; then
sleep 30
return
fi
focused_qemu=false
if command -v xdotool >/dev/null 2>&1; then
active_win_id=$(xdotool getwindowfocus 2>/dev/null)
if [ "$active_win_id" != "" ]; then
active_class=$(xdotool getwindowclassname "$active_win_id" 2>/dev/null)
if [[ "$active_class" == "$QEMU_CLASS" ]]; then
focused_qemu=true
fi
fi
fi
if "$focused_qemu"; then
# QEMU is focused → send F15 via xdotool
#xdotool "$SEND_CMD_XDO"
echo ""
else
# QEMU is not focused → send F15 via monitor
for socket in "${sockets[@]}"; do
echo "$SEND_CMD_MONITOR" | socat - "UNIX-CONNECT:$socket"
done
fi
}
# Main loop
while true; do
# Handle Windows key remapping and Caps Lock disablement
#disable_windows_key_and_remap_caps_lock
# Keep the guest display awake
keep_guest_display_awake
# Sleep before next cycle
sleep 30
done
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