Refactor variables, add text right align setting, add input reader

.shellcheckrc

@@ -0,0 +1 @@
+external-sources=true

examples/custom_input.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+#
+#   ./custom_input.sh
+#
+#   Reverses the given input word.
+#   A word is terminated with space.
+#
+SCRIPT_DIR=$(dirname "${BASH_SOURCE[0]}")
+pushd "$SCRIPT_DIR" || exit
+. ../simple_curses.sh
+WORD=""
+main() {
+    window "ReverseInput" "white" "20%"
+        append "$WORD" "left"
+    endwin
+}
+
+update() {
+    local input_str=$2
+    local input=($2)
+    if [ -n "${input[0]}" ] && [ "${input_str: -1}" == " " ]
+    then
+        WORD=$(rev <<<"${input[0]}")
+        RETURN_VALUE=${input[*]:1}
+    fi
+    return 0
+}
+
+main_loop "$@" --enable-input
+popd || exit

examples/progress.sh

@@ -5,7 +5,9 @@
 #   Shows animated progress bar.
 #   returns 255 when progress exceeds maxprogress
 #
-source $(dirname $0)/../simple_curses.sh
+SCRIPT_DIR="$(dirname "${BASH_SOURCE[0]}")"
+pushd "$SCRIPT_DIR" || exit
+source ../simple_curses.sh
 progress=0
 maxprogress=97
 main(){

examples/wintest.sh

@@ -1,6 +1,8 @@
 #!/bin/bash
 
-source $(dirname $0)/../simple_curses.sh
+SCRIPT_DIR="$(dirname "${BASH_SOURCE[0]}")"
+pushd "$SCRIPT_DIR" || exit
+source ../simple_curses.sh
 main(){
     window "Test 1" "red" "33%"
         append "First simple window"
@@ -9,7 +11,7 @@ main(){
     endwin
 
     window "Tree files" "green" "33%"
-        if [[ -x `which tree 2> /dev/null` ]]; then
+        if [[ -x $(which tree 2> /dev/null) ]]; then
             append_command "tree -L 2 -C -A ./"
         else
             append "Please install tree command"
@@ -30,14 +32,14 @@ main(){
 
     window "Test 4" "grey" "33%"
         append "Example using command"
-        append "`date`"
+        append "$(date)"
         append "I only ask for date"
     endwin
 
     window "Let's play with libcaca" "green" "33%"
-        command="img2txt $(dirname $0)/../tux.gif -y 12 -W 45 -d ordered2 -f utf8"
+        command="img2txt $(dirname "$0")/../tux.gif -y 12 -W 45 -d ordered2 -f utf8"
         append "$command"
-        if [[ -x `which img2txt 2> /dev/null` ]]; then
+        if [[ -x $(which img2txt 2> /dev/null) ]]; then
             append_command "$command"
         else
             append "You should install caca-utils"
@@ -48,7 +50,8 @@ main(){
     move_up
 
     window "Test 5" "red" "34%"
-        append "We can add some little windows... rememeber that very long lines are wrapped to fit window !" "left"
+        append "Left-aligned: We can add some little windows... rememeber that very long lines are wrapped to fit window !" "left"
+        append "Right-aligned: We can add some little windows... rememeber that very long lines are wrapped to fit window !" "right"
     endwin
 
     window "Tabbed values" "red" "34%"
@@ -64,7 +67,7 @@ main(){
     col_right
     window "Other window" "blue" "23%"
         append "And this is\nanother little window"
-        append "`date`"
+        append "$(date)"
     endwin
 
     move_up
@@ -74,3 +77,4 @@ main(){
     endwin
 }
 main_loop "$@"
+popd || exit