Add mouse-free exit to sway

sway/config

@@ -294,8 +294,8 @@ exec sudo ~/.configs_pointer/bin/switch_keyboard.sh pc
 bindsym $mod1+i exec ~/.config/sway/toggle_fcitx.sh
   # Mako notifications
 exec mako
-  # Exit sway (logs you out of your Wayland session)
-bindsym $mod2+Escape exec swaynag -t warning -m 'Are you sure you want to exit sway?' -b 'Yes, exit sway' 'swaymsg exit'
+  # Exit sway (hit 3 times repeatedly to force exit)
+bindsym $mod2+Escape exec ~/.config/sway/sway_exit.sh
 
 # Screenshots ====
 bindsym $mod2+6 mode "screenshots"

sway/sway_exit.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+# Prompts for confirmation. 3 consecutive calls force exit without confirmation
+declare -r CNT_FILE=~/.config/sway/sway_exit_counter
+declare -ri MAX_COUNT=3
+
+if [[ -e "$CNT_FILE" ]]; then
+  declare -i count="$(cat "$CNT_FILE")"
+else
+  declare -i count=0
+fi
+
+(( count++ ))
+
+if [[ $count -ge $MAX_COUNT ]]; then
+  swaymsg exit
+else
+  echo "$count" > "$CNT_FILE"
+
+  swaynag -t warning \
+    -m 'Are you sure you want to exit sway?' \
+    -Z 'Yes, exit sway' \
+    "swaymsg exit; rm $CNT_FILE"
+fi
+
+rm ~/.config/sway/sway_exit_counter &>/dev/null