initial commit

1 files changed, 83 insertions, 0 deletions

diff --git a/typr.sh b/typr.sh
new file mode 100755
index 0000000..7177153
--- /dev/null
+++ b/typr.sh
@@ -0,0 +1,83 @@
+#!/bin/sh
+
+entered_text=""
+text="the quick brown fox jumps over the lazy dog"
+
+tty_init () {
+    tput clear
+    export SAVED_TTY_SETTINGS=$(stty -g)
+    stty raw -echo
+    trap typr_cleanup 1 2 3 6
+
+    printf "[3 q"
+
+}
+
+tty_cleanup () {
+    tput clear
+    stty $SAVED_TTY_SETTINGS
+}
+
+tty_readc () {
+    stty -echo -icanon min 1 time 0
+    s="$(dd bs=1 count=1 of=/dev/stdout 2>/dev/null)"
+    stty -icanon min 0 time 0
+    [ "$s" = "" ]  && {
+        s="$s$(dd bs=1 count=2 of=/dev/stdout 2>/dev/null)"
+    }
+    printf "$s"
+}
+
+typr_draw_text () {
+    tput civis
+    tput clear
+    printf ""
+
+    t="$text"
+    e="$entered_text"
+    while [ "$t" ] ; do
+        ct=${t%${t#?}}
+        ce=${e%${e#?}}
+        t="${t#?}"
+        e="${e#?}"
+
+        [ "$ct" = "$ce" ] \
+            && printf "" \
+            || {
+            [ "$e" ] \
+                    && printf "" \
+                    || printf ""
+            }
+
+        printf "$ct"
+    done
+    printf "[1;$((${#entered_text} + 1))H"
+    tput cnorm
+}
+
+
+typr_main () {
+    while true; do
+        typr_draw_text
+        c="$(tty_readc)"
+        case "$c" in
+            '
') break;;
+            '')
+                entered_text="${entered_text%?}"
+                ;;
+            *)
+                echo "$c" >> LOG
+                entered_text="$entered_text$c"
+                ;;
+
+        esac
+    done
+}
+
+typr_init () {
+    tty_init
+    typr_main
+    tty_cleanup
+}
+
+typr_init