From c37793f6498865e8bbb358b1a4d6339a586bdf8b Mon Sep 17 00:00:00 2001
From: Ismo Vuorinen <ismo@ivuorinen.net>
Date: Tue, 7 Jan 2025 21:29:25 +0200
Subject: [PATCH] chore(config): tmux config tweaks, new settings

---
 config/tmux/tmux.conf    | 54 ++++++++++++++++++++++++++++++----------
 docs/tmux-keybindings.md |  4 ---
 2 files changed, 41 insertions(+), 17 deletions(-)

diff --git a/config/tmux/tmux.conf b/config/tmux/tmux.conf
index 5ffd406..8437ebf 100644
--- a/config/tmux/tmux.conf
+++ b/config/tmux/tmux.conf
@@ -13,16 +13,11 @@
 # -t = binds to a certain key-table (root, copy-mode, prefix, etc.)
 
 # Set <prefix> to Control + Space, keeping the default of C-b intact.
+# C-Space send-prefix line doubles the prefix when in nested tmux session.
 # unbind C-b
 set -g prefix C-Space
 bind C-Space send-prefix
 
-# Vim style pane selection
-bind h select-pane -L
-bind j select-pane -D
-bind k select-pane -U
-bind l select-pane -R
-
 # Use Alt-arrow keys without prefix key to switch panes
 bind -n M-Left  select-pane -L
 bind -n M-Right select-pane -R
@@ -37,12 +32,29 @@ bind -n C-k if-shell "$is_vim" "send-keys C-k" "select-pane -U"
 bind -n C-l if-shell "$is_vim" "send-keys C-l" "select-pane -R"
 
 # Reload tmux config with <prefix> + r
+unbind r
 bind r source-file ~/.dotfiles/config/tmux/tmux.conf \; display "tmux cfg reloaded!"
 
 # Switch to next client with <prefix>( and previous with <prefix>)
+# Repeatable, only needs prefix once
 bind -r '(' switch-client -p\; refresh-client -S
 bind -r ')' switch-client -n\; refresh-client -S
 
+# Switch between previous and next windows with repeatable
+# <prefix> + n and <prefix> + p
+bind -r n next-window
+bind -r p previous-window
+
+# Switch between two most recently used windows
+bind Space last-window
+
+# Move the current window to the next window or previous window position
+bind -r N run-shell "tmux swap-window -t $(expr $(tmux list-windows | grep \"(active)\" | cut -d \":\" -f 1) + 1)"
+bind -r P run-shell "tmux swap-window -t $(expr $(tmux list-windows | grep \"(active)\" | cut -d \":\" -f 1) - 1)"
+
+bind-key > swap-window -t +1 \; next
+bind-key < swap-window -t -1 \; prev
+
 # Open a new window with <prefix> + N
 bind N new-window
 
@@ -52,13 +64,14 @@ bind M-c attach-session -c "#{pane_current_path}"
 # Open a new window in the current directory
 bind C new-window -c "#{pane_current_path}"
 
-# keybindings
-bind-key -T copy-mode-vi v send-keys -X begin-selection
-bind-key -T copy-mode-vi C-v send-keys -X rectangle-toggle
-bind-key -T copy-mode-vi y send-keys -X copy-selection-and-cancel
+# Copy mode
+bind -T copy-mode-vi v send-keys -X begin-selection
+bind -T copy-mode-vi C-v send-keys -X rectangle-toggle
+bind -T copy-mode-vi y send-keys -X copy-selection-and-cancel
+
+# Splits
 bind '"' split-window -v -c "#{pane_current_path}"
 bind '!' split-window -h -c "#{pane_current_path}"
-bind '^' switch-client -t'{marked}'
 
 # .local/bin/t triggers
 bind -r T new-window ~/.local/bin/t
@@ -80,17 +93,23 @@ bind p paste-buffer
 #  │ Settings                                                 │
 #  ╰──────────────────────────────────────────────────────────╯
 
+# set -g default-terminal "tmux-256color"
+# set -ag terminal-overrides ",xterm-256color:RGB"
+
 # Undercurl
 set -g default-terminal "${TERM}"
 set -as terminal-overrides ',*:Smulx=\E[4::%p1%dm'  # undercurl support
 set -as terminal-overrides ',*:Setulc=\E[58::2::::%p1%{65536}%/%d::%p1%{256}%/%{255}%&%d::%p1%{255}%&%d%;m'  # underscore colors - needs tmux-3.0
 
-# set -g default-terminal "tmux-256color"
-# set -ag terminal-overrides ",xterm-256color:RGB"
+# Enable hyperlinks
+set -as terminal-overrides ',*:Hls=\E]8;id=%p1%s;%p2%s\E\\:Hlr=\E]8;;\E\\''
 
 # Setting status on
 set -g status "on"
 
+# Allow tmux to set the terminal title
+set -g set-titles on
+
 # Hide clock
 set -g display-time 0
 
@@ -99,6 +118,9 @@ set -g monitor-activity on
 set -g visual-activity off
 set -g visual-bell off
 
+# A bell in another window should cause a bell in the current window
+set -g bell-action any
+
 # Expose window title
 set-option -g set-titles on
 
@@ -129,6 +151,12 @@ set -g detach-on-destroy off
 # address vim mode switching delay (http://superuser.com/a/252717/65504)
 set -s escape-time 0
 
+# Focus events enabled for terminals that support them
+set -g focus-events on
+
+# Useful when using sharing a session with different size terminals
+setw -g aggressive-resize on
+
 #  ╭──────────────────────────────────────────────────────────╮
 #  │ Theme                                                    │
 #  ╰──────────────────────────────────────────────────────────╯
diff --git a/docs/tmux-keybindings.md b/docs/tmux-keybindings.md
index 0b63b39..9d32a09 100644
--- a/docs/tmux-keybindings.md
+++ b/docs/tmux-keybindings.md
@@ -3,8 +3,6 @@
 Leader: `<ctrl><space>`
 
 ```txt
-    Space   Select next layout
-    #       List all paste buffers
     $       Rename current session
     %       Split window horizontally
     &       Kill current window
@@ -27,7 +25,6 @@ Leader: `<ctrl><space>`
     ;       Move to the previously active pane
     =       Choose a paste buffer from a list
     ?       List key bindings
-    D       Choose and detach a client from a list
     E       Spread panes out evenly
     L       Switch to the last client
     M       Clear the marked pane
@@ -37,7 +34,6 @@ Leader: `<ctrl><space>`
     f       Search for a pane
     i       Display window information
     m       Toggle the marked pane
-    n       Select the next window
     o       Select the next pane
     q       Display pane numbers
     s       Choose a session from a list