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Jim Myhrberg
0810857131
When Emacs is launched within Tmux, and a windmove command fails (due to
it reaching the left/right/top/bottom edge of frame, instead trigger a
Tmux pane switch in that direction.
This allows a nearly seamless window/pane switching experience between
Emacs and Tmux.
It does require the following configuration in Tmux to work properly:
# Enable smart pane switching that's Emacs aware.
is_emacs='echo "#{pane_current_command}" | grep -iqE "(^|\/)emacs$"'
# Use Alt-[i/k/j/l] keys without prefix key to switch panes if current pane is
# not running Emacs. If the pane is running Emacs, let Emacs receive the
# keybindings instead.
bind -n M-i if-shell "$is_emacs" "send-keys M-i" "select-pane -U"
bind -n M-k if-shell "$is_emacs" "send-keys M-k" "select-pane -D"
bind -n M-j if-shell "$is_emacs" "send-keys M-j" "select-pane -L"
bind -n M-l if-shell "$is_emacs" "send-keys M-l" "select-pane -R"
bind -T copy-mode M-i if-shell "$is_emacs" "send-keys M-i" "select-pane -U"
bind -T copy-mode M-k if-shell "$is_emacs" "send-keys M-k" "select-pane -D"
bind -T copy-mode M-j if-shell "$is_emacs" "send-keys M-j" "select-pane -L"
bind -T copy-mode M-l if-shell "$is_emacs" "send-keys M-l" "select-pane -R"
bind -T copy-mode-vi M-i if-shell "$is_emacs" "send-keys M-i" "select-pane -U"
bind -T copy-mode-vi M-k if-shell "$is_emacs" "send-keys M-k" "select-pane -D"
bind -T copy-mode-vi M-j if-shell "$is_emacs" "send-keys M-j" "select-pane -L"
bind -T copy-mode-vi M-l if-shell "$is_emacs" "send-keys M-l" "select-pane -R"