From e537ee9db95966af3439b550c15d8971805c73cf Mon Sep 17 00:00:00 2001
From: Alexei Danchenkov <adanchenkov@gmail.com>
Date: Thu, 20 Mar 2014 19:10:44 -0700
Subject: [PATCH] added terminfo keys verification

---
 lib/key-bindings.zsh | 32 ++++++++++++++++++++++++--------
 1 file changed, 24 insertions(+), 8 deletions(-)

diff --git a/lib/key-bindings.zsh b/lib/key-bindings.zsh
index 94f1842f..33046b0f 100644
--- a/lib/key-bindings.zsh
+++ b/lib/key-bindings.zsh
@@ -20,24 +20,40 @@ bindkey -e                                          # Use emacs key bindings
 bindkey '\ew' kill-region                           # [Esc-w] - Kill from the cursor to the mark
 bindkey -s '\el' 'ls\n'                             # [Esc-l] - run command: ls
 bindkey '^r' history-incremental-search-backward    # [Ctrl-r] - Search backward incrementally for a specified string. The string may begin with ^ to anchor the search to the beginning of the line.
-bindkey "${terminfo[kpp]}" up-line-or-history       # [PageUp] - Up a line of history
-bindkey "${terminfo[knp]}" down-line-or-history     # [PageDown] - Down a line of history
+if [[ "${terminfo[kpp]}" != "" ]]; then
+  bindkey "${terminfo[kpp]}" up-line-or-history       # [PageUp] - Up a line of history
+fi
+if [[ "${terminfo[knp]}" != "" ]]; then
+  bindkey "${terminfo[knp]}" down-line-or-history     # [PageDown] - Down a line of history
+fi
 
-bindkey "${terminfo[kcuu1]}" up-line-or-search      # start typing + [Up-Arrow] - fuzzy find history forward
-bindkey "${terminfo[kcud1]}" down-line-or-search    # start typing + [Down-Arrow] - fuzzy find history backward
+if [[ "${terminfo[kcuu1]}" != "" ]]; then
+  bindkey "${terminfo[kcuu1]}" up-line-or-search      # start typing + [Up-Arrow] - fuzzy find history forward
+fi
+if [[ "${terminfo[kcud1]}" != "" ]]; then
+  bindkey "${terminfo[kcud1]}" down-line-or-search    # start typing + [Down-Arrow] - fuzzy find history backward
+fi
 
-bindkey "${terminfo[khome]}" beginning-of-line      # [Home] - Go to beginning of line
-bindkey "${terminfo[kend]}"  end-of-line            # [End] - Go to end of line
+if [[ "${terminfo[khome]}" != "" ]]; then
+  bindkey "${terminfo[khome]}" beginning-of-line      # [Home] - Go to beginning of line
+fi
+if [[ "${terminfo[kend]}" != "" ]]; then
+  bindkey "${terminfo[kend]}"  end-of-line            # [End] - Go to end of line
+fi
 
 bindkey ' ' magic-space                             # [Space] - do history expansion
 
 bindkey '^[[1;5C' forward-word                      # [Ctrl-RightArrow] - move forward one word
 bindkey '^[[1;5D' backward-word                     # [Ctrl-LeftArrow] - move backward one word
 
-bindkey "${terminfo[kcbt]}" reverse-menu-complete   # [Shift-Tab] - move through the completion menu backwards
+if [[ "${terminfo[kdch1]}" != "" ]]; then
+  bindkey "${terminfo[kdch1]}" reverse-menu-complete   # [Shift-Tab] - move through the completion menu backwards
+fi
 
 bindkey '^?' backward-delete-char                   # [Backspace] - delete backward
-bindkey "${terminfo[kdch1]}" delete-char            # [Delete] - delete forward
+if [[ "${terminfo[kdch1]}" != "" ]]; then
+  bindkey "${terminfo[kdch1]}" delete-char            # [Delete] - delete forward
+fi
 
 # Edit the current command line in $EDITOR
 autoload -U edit-command-line