From a3cd5664f1d4e205f22d2ab54c58a68476867a58 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Fri, 6 Jan 2017 17:25:57 +1300
Subject: Experimental/not-very-good-yet ksh bindings

Just starting with what I know and seeing if I can make ^L work the same
way it does in Bash. Once I understand this a bit better I intend to
have a crack at writing some dynamic completion for ksh93.
---
 ksh/kshrc.d/bind.ksh | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 ksh/kshrc.d/bind.ksh

(limited to 'ksh')

diff --git a/ksh/kshrc.d/bind.ksh b/ksh/kshrc.d/bind.ksh
new file mode 100644
index 00000000..22fb53a8
--- /dev/null
+++ b/ksh/kshrc.d/bind.ksh
@@ -0,0 +1,34 @@
+# Try to bind ^L to clear the screen
+case $KSH_VERSION in
+
+    # Works great
+    *'MIRBSD KSH'*)
+        bind ^L=clear-screen
+        ;;
+
+    # Works pretty well, but only on an empty line
+    *'PD KSH'*)
+        bind -m '^L'=clear'^J'
+        ;;
+
+    # Not great; only works on an empty line, and skips a line after clearing;
+    # need a better way to redraw the prompt after clearing, or some suitable
+    # way to fake it with tput (can I clear-but-one)?
+    *'93'*)
+
+        # Bind function to run on each KEYBD trap
+        bind() {
+            case ${.sh.edchar} in
+                $'\x0c') # ^L
+
+                    # Write a sequence to clear the screen
+                    tput clear
+
+                    # Change key to Enter to redraw the prompt
+                    .sh.edchar=$'\x0d'
+                    ;;
+            esac
+        }
+        trap bind KEYBD
+        ;;
+esac
-- 
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