Commands Without Prefix Key in Tmux are Intercepted

[MrCh1ppy]

When I use Tmux, due to frequent operations caused by window changes, I use the command bind -n M-Left select-pane -L to switch panes.

However, when I actually execute this command, the terminal only displays the value of the directional key, which is 8C.

When I use the default Ubuntu terminal, Tmux on it can use this method to switch panes.

my config.toml

# Cursor
#
# Default cursor is Block
# Other available options are: '_' and '|'
#
cursor = '_'

# Blinking Cursor
#
# Default is false
#
blinking-cursor = true

# Scroll Speed Multiplier
#
# You can change how many lines are scrolled each time by setting this option.
# Defaul is 3.0.
# Example:
scroll-multiplier = 3.0

# Ignore theme selection foreground color
#
# Default is false
#
# Example:
# ignore-selection-foreground-color = false

# Enable Kitty Keyboard protocol
#
# Default is false
#
# Example:
#use-kitty-keyboard-protocol = true

# Performance
#
# Set WGPU rendering performance
# High: Adapter that has the highest performance. This is often a discrete GPU.
# Low: Adapter that uses the least possible power. This is often an integrated GPU.
#
performance = "High"

# Theme
#
# It makes Rio look for the specified theme in the themes folder
# (macos and linux: ~/.config/rio/themes/dracula.toml)
# (windows: C:\Users\USER\AppData\Local\rio\themes\dracula.toml)
#
# Example:
#theme = "dracula"

# Padding-x
#
# define x axis padding (default is 10)
#
# Example:
# padding-x = 10

# Option as Alt
#
# This config only works on MacOs.
# Possible choices: 'both', 'left' and 'right'.
#
# Example:
# option-as-alt = 'left'

# Window configuration
#
# • width - define the intial window width.
#   Default: 600
#
# • height - define the inital window height.
#   Default: 400
#
# • mode - define how the window will be created
#     - "Windowed" (default) is based on width and height
#     - "Maximized" window is created with maximized
#     - "Fullscreen" window is created with fullscreen
#
# Example:
[window]
width = 1200
height = 800
mode = "Windowed"

# Background configuration
#
# • opacity - changes the background transparency state
#   Default: 1.0
#
# • mode - defines background mode bewteen "Color" and "Image"
#
# • image - Set an image as background
#   Default: None
#
# Example:
# [background]
# mode = "Image"
# opacity = 1.0
#
# [background.image]
# path = "/Users/rapha/Desktop/eastward.jpg"
# width = 200.0
# height = 200.0
# x = 0.0
# y = 0.0

# Window Height
#
# window-height changes the inital window height.
#   Default: 400
#
# Example:
# window-height = 400

# Fonts
#
# Configure fonts used by the terminal
#
# Note: You can set different font families but Rio terminal
# will always look for regular font bounds whene
#
# You can also set family on root to overwritte all fonts
# [fonts]
#   family = "cascadiamono"
#
# You can also specify extra fonts to load
# [fonts]
# extras = [{ family = "Microsoft JhengHei" }]
#
#
# Example:
# [fonts]
# size = 18
#
# [fonts.regular]
# family = "cascadiamono"
# style = "normal"
# weight = 400
#
# [fonts.bold]
# family = "cascadiamono"
# style = "normal"
# weight = 800
#
# [fonts.italic]
# family = "cascadiamono"
# style = "italic"
# weight = 400
#
# [fonts.bold-italic]
# family = "cascadiamono"
# style = "italic"
# weight = 800

# Navigation
#
# "mode" - Define navigation mode
#   • NativeTab (MacOs only)
#   • CollapsedTab
#   • BottomTab
#   • TopTab
#   • Breadcrumb
#   • Plain
#
# "clickable" - Enable click on tabs to switch.
# "use-current-path" - Use same path whenever a new tab is created.
# "color-automation" - Set a specific color for the tab whenever a specific program is running.
# "macos-hide-window-buttons" - (MacOS only) Hide window buttons
#
# Example:
# [navigation]
# mode = "CollapsedTab"
# clickable = false
# use-current-path = false
# color-automation = []
# macos-hide-window-buttons = false
[fonts]
family = "fira code"
size = 25

# Shell
#
# You can set `shell.program` to the path of your favorite shell, e.g. `/bin/fish`.
# Entries in `shell.args` are passed unmodified as arguments to the shell.
#
# Default:
#   - (macOS) user login shell
#   - (Linux/BSD) user login shell
#   - (Windows) powershell
#
# Example 1 using fish shell from bin path:
#
# shell = { program = "/bin/fish", args = ["--login"] }
#
# Example 2 for Windows using powershell
#
# shell = { program = "pwsh", args = [] }
#
# Example 3 for Windows using powershell with login
#
# shell = { program = "pwsh", args = ["-l"] }

# Startup directory
#
# Directory the shell is started in. If this is unset the working
# directory of the parent process will be used.
#
# This configuration only has effect if use-fork is disabled
#
# Example:
# working-dir = "/Users/raphael/Documents/"

# Environment variables
#
# The example below sets fish as the default SHELL using env vars
# please do not copy this if you do not need
#
# Example:
# env-vars = []

# Disable render when unfocused
#
# This property disable renderer processes while Rio is unfocused.
#
# Example:
# disable-renderer-when-unfocused = false

# Use fork
#
# Defaults for POSIX-based systems (Windows is not configurable):
# MacOS: spawn processes
# Linux/BSD: fork processes
#
# Example:
# use-fork = false

# Colors
#
# Colors definition will overwrite any property in theme
# (considering if theme folder does exists and is being used)
#
# Example:
# [colors]
# background = '#0F0D0E'
# foreground = '#F9F4DA'
# cursor = '#F38BA3'
# tabs = '#443d40'
# tabs-active = '#F38BA3'
# green = '#0BA95B'
# red = '#ED203D'
# blue = '#12B5E5'
# yellow = '#FCBA28'

# Bindings
#
# Create custom Key bindings for Rio terminal
# More information in: raphamorim.io/rio/docs/custom-key-bindings
#
# Example:
# [bindings]
# keys = [
#   { key = "q", with = "super", action = "Quit" },
#   # Bytes[27, 91, 53, 126] is equivalent to "\x1b[5~"
#   { key = "home", with = "super | shift", bytes = [27, 91, 53, 126] }
# ]

# Log level
#
# This property enables log level filter. Default is "OFF".
#
# Example:
# [developer]
# log-level = "OFF"

my .tmux.conf

set -g prefix M-a
unbind-key C-b

bind R source-file ~/.tmux.conf \; display "Reload config ..."

# switch panes using Alt-arrow without prefix
bind -n M-Left select-pane -L
bind -n M-Right select-pane -R
bind -n M-Up select-pane -U
bind -n M-Down select-pane -D

bind v split-window -h
bind V split-window -v

bind-key -T prefix C-b display-message "wait command....."

If this is due to a configuration issue on my part, I apologize in advance for the disturbance.

[raphamorim]

Hey @MrCh1ppy thanks for the issue!

Could you if it was fixed in main? I just fixed a bug that might be connected to your issue.

[jsanta]

Perhaps you're missing a line in the tmux config for changing the prefix:

set -g prefix M-a
bind M-a send-prefix
unbind C-b