From a1e431d3e135015c34594e6056cbabd5fea9d196 Mon Sep 17 00:00:00 2001
From: Julian Prein <druckdev@protonmail.com>
Date: Thu, 8 Sep 2022 18:34:18 +0200
Subject: [PATCH] tmux: Use shell script to complete `selfinsert`

Use a short shell script to complete the `selfinsert` keytable by
binding all keys that have a mapping in the root table.
---
 .config/tmux/tmux.conf          | 13 ++++++++++---
 .config/tmux/tmux_selfinsert.sh |  8 ++++++++
 2 files changed, 18 insertions(+), 3 deletions(-)
 create mode 100755 .config/tmux/tmux_selfinsert.sh

diff --git a/.config/tmux/tmux.conf b/.config/tmux/tmux.conf
index a3c1f5b..e39cb9b 100644
--- a/.config/tmux/tmux.conf
+++ b/.config/tmux/tmux.conf
@@ -97,9 +97,16 @@ bind -T resize 4 selectl main-vertical   \; switchc -T resize
 bind -T resize 5 selectl tiled           \; switchc -T resize
 bind r switchc -T resize
 
-# Allow C-h to still be passed (when programs expect it as backspace, e.g. UEFI
-# shell)
-bind -r -T selfinsert C-h send C-h
+# Create a key-table which self-inserts all keys that are bound in the root key
+# table. (C-h for example is sometimes needed as backspace sequence)
+#
+# tmux_selfinsert.sh:
+#
+# tmux list-keys -T root | awk '{print $4}' | while read key; do
+#   tmux bind -r -T selfinsert "$key" send
+# done
+
+run-shell -b "$XDG_CONFIG_HOME/tmux/tmux_selfinsert.sh"
 bind C-v switchc -T selfinsert
 
 # Synchronize the panes in the current window with `<prefix>S`
diff --git a/.config/tmux/tmux_selfinsert.sh b/.config/tmux/tmux_selfinsert.sh
new file mode 100755
index 0000000..d5b3362
--- /dev/null
+++ b/.config/tmux/tmux_selfinsert.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+#
+# Create a key-table which self-inserts all keys that are bound in the root key
+# table. (C-h for example is sometimes needed as backspace sequence)
+
+tmux list-keys -T root | awk '{print $4}' | while read key; do
+	tmux bind -r -T selfinsert "$key" send
+done