dmenu-nm

#!/bin/bash

FONT="Monospace"
NORMAL_BACKGROUND="#000000"
NORMAL_FOREGROUND="#8f8f8f"
SELECTED_BACKGROUND="#000000"
SELECTED_FOREGROUND="#00ff00"
FLAGS=(
    "-i"
    "-b"
    "-nb" "$NORMAL_BACKGROUND"
    "-nf" "$NORMAL_FOREGROUND"
    "-sb" "$SELECTED_BACKGROUND"
    "-sf" "$SELECTED_FOREGROUND"
    "-fn" "$FONT"
)

connect() {
    SSID="$1"
    notify-send --urgency=low "Attempting to connect to network: $SSID"
    if nmcli device wifi connect "$SSID"; then
        notify-send "Connected to network: $SSID"
        exit 0
    fi
    if ERROR=$(
        nmcli device wifi connect "$SSID" password "$(dmenu "${FLAGS[@]}" -p Password: </dev/null)"
    ); then
        notify-send "Connected to network: $SSID"
    else
        notify-send --urgency=critical \
            "Failed to connect to network: '$SSID' $ERROR"
    fi
}

networks() {
    nmcli --colors no --get-values ssid dev wifi list --rescan yes
}

SELECTION=$(networks | dmenu "${FLAGS[@]}") || exit 1
connect "$SELECTION"