96 lines
2.6 KiB
Bash
96 lines
2.6 KiB
Bash
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#!/bin/bash
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# Get the coluns and lines of the "screen"
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cols=$(tput cols)
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lines=$(tput lines)
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# Settings to improve accessibility of dialog.
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export DIALOGOPTS='--insecure --no-lines --visit-items'
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inputbox() {
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# Returns: text entered by the user
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# Args 1, Instructions for box.
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# args: 2 initial text (optional)
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dialog --backtitle "$(gettext "Enter text and press enter.")" \
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--clear \
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--inputbox "$1" 0 0 "$2" --stdout
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}
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msgbox() {
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# Returns: None
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# Shows the provided message on the screen with an ok button.
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dialog --clear --msgbox "$*" 10 72
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}
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infobox() {
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# Returns: None
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# Shows the provided message on the screen with no buttons.
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local timeout=3
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dialog --infobox "$*" 0 0
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read -n1 -t $timeout continue
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# Clear any keypresses from the buffer
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clear_buffer
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}
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yesno() {
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# Returns: Yes or No
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# Args: Question to user.
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# Called in if $(yesno) == "Yes"
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# Or variable=$(yesno)
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if dialog --clear --backtitle "$(gettext "Press 'Enter' for \"yes\" or 'Escape' for \"no\".")" --yesno "$*" 0 0 ; then
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echo "Yes"
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else
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echo "No"
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fi
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}
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get_keypress() {
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# Returnes the pressed key.
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# There arre two ways to use this function.
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# first way, get_keypress variableName
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# Second way variableName="$(get_keypress)"
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# This variable name is long to absolutely minimize possibility of collision.
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local getKeypressFunctionReturnVariable=$1
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local returnedKeypress
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# Unset IFS to capture any key that is pressed.
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local ifs="$IFS"
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unset IFS
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read -sn1 returnedKeypress
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# Restore IFS
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IFS="$ifs"
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if [[ $getKeypressFunctionReturnVariable ]]; then
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eval $getKeypressFunctionReturnVariable="'$returnedKeypress'"
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else
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echo "$returnedKeypress"
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fi
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}
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menulist() {
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# Args: menu options
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# returns: selected option
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# set gameMenu to control the message.
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declare -a menuList
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for i in $@ ; do
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menuList+=("$i" "$i")
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done
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dialog --backtitle "${menuMessage:-Game menu...}" \
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--clear \
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--no-tags \
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--menu "Please make your selection" 0 0 0 "${menuList[@]}" --stdout
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}
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numpicker() {
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# Args: max number, Min numberr optional.
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# returns: selected number
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# set gameMenu to control the message.
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declare -a menuList
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local max=$1
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local min=${2:-10}
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for i in $(seq $min $max) ; do
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menuList+=("$i" "$i")
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done
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dialog --backtitle "${menuMessage:-Numeric menu...}" \
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--clear \
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--no-tags \
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--menu "Please select a number between $min and $max." 0 0 0 "${menuList[@]}" --stdout
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}
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