(scripts) added kb layout switcher for hyprland

scripts/hyprland-kb-layout-switcher.sh

@@ -1,6 +1,38 @@
 #!/usr/bin/env bash
 
 function switch_kb_layout {
-    layouts="$(hyprctl devices -j | grep -iP '"layout"' -m 1)"
-    # TODO:
+    devices="$(hyprctl devices -j)"
+    languages="$(echo "${devices}" | grep -ioP '(?<="layout": ").*(?=")' -m 1)"
+    variants="$(echo "${devices}" | grep -ioP '(?<="variant": ").*(?=")' -m 1)"
+    current="$(echo "${devices}" | grep -ioP '(?<="active_layout_index": ).*(?=,)' -m 1)"
+
+    languages=(${languages})
+    variants=(${variants})
+
+    number=$((${#languages[@]} - 1))
+    for n in $(seq 0 $number); do
+        layouts+=("${languages[$n]//,/} - ${variants[$n]//,/}")
+    done
+
+    if $(which fuzzel &>/dev/null); then
+        selection="$(printf "%s\n" "${layouts[@]}" | fuzzel --lines ${#layouts[@]} --dmenu --select-index ${current})"
+    else
+        notify-send "layout-switcher" "requires [fuzzel]"
+        return 1
+    fi
+
+    for n in $(seq 0 $number); do
+        if [[ "${layouts[$n]}" == "${selection}" ]]; then
+            index=$n
+            break
+        fi
+    done
+    if [[ -z "${index}" ]]; then
+        notify-send "layout-switcher" "selection failed"
+        return 1
+    fi
+
+    hyprctl switchxkblayout all "${index}" >/dev/null
 }
+
+switch_kb_layout