mirror of
https://github.com/tmux-plugins/tmux-sensible.git
synced 2024-11-16 12:18:47 +00:00
141 lines
3.5 KiB
Bash
Executable File
141 lines
3.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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is_osx() {
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local platform=$(uname)
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[ "$platform" == "Darwin" ]
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}
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# returns prefix key, e.g. 'C-a'
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prefix() {
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tmux show-option -gv prefix
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}
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# if prefix is 'C-a', this function returns 'a'
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prefix_without_ctrl() {
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local prefix="$(prefix)"
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echo "$prefix" | cut -d '-' -f2
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}
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option_value_not_changed() {
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local option="$1"
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local default_value="$2"
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local option_value=$(tmux show-option -gv "$option")
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[ "$option_value" == "$default_value" ]
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}
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server_option_value_not_changed() {
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local option="$1"
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local default_value="$2"
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local option_value=$(tmux show-option -sv "$option")
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[ "$option_value" == "$default_value" ]
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}
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key_binding_not_set() {
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local key="$1"
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if $(tmux list-keys | grep -q "bind-key[[:space:]]\+${key}"); then
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return 1
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else
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return 0
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fi
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}
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key_binding_not_changed() {
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local key="$1"
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local default_value="$2"
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if $(tmux list-keys | grep -q "bind-key[[:space:]]\+${key}[[:space:]]\+${default_value}"); then
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# key still has the default binding
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return 0
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else
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return 1
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fi
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}
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main() {
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# OPTIONS
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# enable utf8
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tmux set-option -g utf8 on
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# enable utf8 in tmux status-left and status-right
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tmux set-option -g status-utf8 on
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# address vim mode switching delay (http://superuser.com/a/252717/65504)
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if server_option_value_not_changed "escape-time" "500"; then
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tmux set-option -s escape-time 0
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fi
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# increase scrollback buffer size
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if option_value_not_changed "history-limit" "2000"; then
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tmux set-option -g history-limit 50000
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fi
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# tmux messages are displayed for 4 seconds
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if option_value_not_changed "display-time" "750"; then
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tmux set-option -g display-time 4000
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fi
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# refresh 'status-left' and 'status-right' more often
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if option_value_not_changed "status-interval" "15"; then
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tmux set-option -g status-interval 5
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fi
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# required (only) on OS X
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if is_osx && option_value_not_changed "default-command" ""; then
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tmux set-option -g default-command "reattach-to-user-namespace -l $SHELL"
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fi
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# upgrade $TERM
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if option_value_not_changed "default-terminal" "screen"; then
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tmux set-option -g default-terminal "screen-256color"
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fi
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# enable mouse features for terminals that support it
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tmux set-option -g mouse-resize-pane on
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tmux set-option -g mouse-select-pane on
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tmux set-option -g mouse-select-window on
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# emacs key bindings in tmux command prompt (prefix + :) are better than
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# vi keys, even for vim users
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tmux set-option -g status-keys emacs
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# DEFAULT KEY BINDINGS
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local prefix="$(prefix)"
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local prefix_without_ctrl="$(prefix_without_ctrl)"
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# if C-b is not prefix
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if [ $prefix != "C-b" ]; then
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# unbind obsolte default binding
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if key_binding_not_changed "C-b" "send-prefix"; then
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tmux unbind-key C-b
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fi
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# pressing `prefix + prefix` sends <prefix> to the shell
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tmux bind-key "$prefix" send-prefix
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fi
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# If Ctrl-a is prefix then `Ctrl-a + a` switches between alternate windows.
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# Works for any prefix character.
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if key_binding_not_set "$prefix_without_ctrl"; then
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tmux bind-key "$prefix_without_ctrl" last-window
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fi
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# easier switching between next/prev window
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if key_binding_not_set "C-p"; then
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tmux bind-key C-p previous-window
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fi
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if key_binding_not_set "C-n"; then
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tmux bind-key C-n next-window
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fi
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# source `.tmux.conf` file - as suggested in `man tmux`
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if key_binding_not_set "R"; then
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tmux bind-key R run-shell -b ' \
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tmux source-file ~/.tmux.conf > /dev/null; \
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tmux display-message "Sourced .tmux.conf!"'
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fi
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}
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main
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