Default to 'sensible-terminal' for Sway

.config/rofi/config.rasi

@@ -4,7 +4,7 @@ configuration {
 	matching: "prefix";
 	modi: "run,calc";
 	sidebar-mode: false;
-	terminal: "alacritty";
+	terminal: "sensible-terminal";
 }
 
 @theme "base16"

.config/sway/config

@@ -23,8 +23,7 @@ set {
 
 # Application aliases.
 set {
-    $terminal alacritty
-    $launcher rofi -terminal $terminal -run-command 'bash -ic "{cmd}"'
+    $launcher rofi -run-command 'bash -ic "{cmd}"'
     $locker   swaylock -f
     $mixer    pulsemixer --max-volume 100
 }
@@ -90,7 +89,7 @@ floating_modifier $mod
 
 bindsym --to-code {
     # Application launching
-    $mod+Return  exec $terminal
+    $mod+Return  exec sensible-terminal
     $mod+d       exec $launcher -show drun -show-icons
     $mod+Shift+d exec $launcher -show run
     $mod+o       exec $launcher -show filebrowser -show-icons

.config/waybar/config

@@ -25,7 +25,7 @@
         "interval": 10,
         "format": "<span color='#585858' size='smaller'>cpu</span> {usage}%",
         "max-length": 10,
-        "on-click": "alacritty -e htop"
+        "on-click": "sensible-terminal -e htop"
     },
     "custom/mpris": {
         "format": "{} {icon}",
@@ -46,7 +46,7 @@
     "memory": {
         "interval": 30,
         "format": "<span color='#585858' size='smaller'>mem</span> {}%",
-        "on-click": "alacritty -e htop"
+        "on-click": "sensible-terminal -e htop"
     },
     "network": {
         "format": "<span color='#585858' size='smaller'>net</span> {ifname}",
@@ -63,7 +63,7 @@
         "format-muted": "<span color='#585858' size='smaller'>vol</span> <span color='#ab4642'>{volume}%</span>",
         "tooltip-format": "{desc}",
         "scroll-step": 1,
-        "on-click": "alacritty -e pulsemixer"
+        "on-click": "sensible-terminal -e pulsemixer"
     },
     "sway/language": {
         "format": "<span color='#585858' size='smaller'>key</span> {}",

.local/bin/sensible-terminal

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+for terminal in $TERMINAL x-terminal-emulator xterm gnome-terminal alacritty kitty; do
+    if command -v $terminal >/dev/null 2>&1; then
+        exec $terminal "$@"
+    fi
+done
+
+swaynag --message "Failed to find a suitable terminal"