page up in zsh should forward to tmux

1 files changed, 15 insertions, 0 deletions

diff --git a/zshinput b/zshinput
index 71685b7..642afe0 100644
--- a/zshinput
+++ b/zshinput
@@ -28,3 +28,18 @@ bindkey "^H" backward-delete-char
 bindkey "^U" backward-kill-line
 
 bindkey "^[[3~" delete-char
+
+page-up-within-tmux() {
+  if [[ $TMUX == '' ]]; then
+    # no-op; default behavior isn't useful, and anyway you don't want to do
+    # something TOO cool here since you won't be able to do it inside tmux.
+    # TODO if there's any way to command the /emu/ to scroll up one page, i
+    # would love to hear about it
+  else
+    tmux copy-mode -u
+  fi
+}
+zle -N page-up-within-tmux
+
+# page up
+bindkey "${terminfo[kpp]}" page-up-within-tmux