tmux: added dwm-like binds

src/.config/tmux/tmux.conf

@@ -2,16 +2,47 @@ unbind C-b
 set-option -g prefix C-a
 bind-key C-a send-prefix
 
-bind u split-window -h
-bind i split-window -v
-unbind '"'
-unbind %
-
-bind h select-pane -L
-bind l select-pane -R
-bind j select-pane -D
-bind k select-pane -U
-
 set -g status off
 
 set escape-time 20
+
+# https://github.com/saysjonathan/dwm.tmux
+# dwm-like binds for tmux
+setenv -g tmuxdwm_version 0.1.0
+setenv -g killlast 0 # Toggle killing last pane
+setenv -g mfact 50   # Main pane area factor
+
+set -g command-alias[100] newpane='run-shell "dwm.tmux newpane"'
+set -g command-alias[101] newpanecurdir='run-shell "dwm.tmux newpanecurdir"'
+set -g command-alias[102] killpane='run-shell "dwm.tmux killpane"'
+set -g command-alias[103] nextpane='run-shell "dwm.tmux nextpane"'
+set -g command-alias[104] prevpane='run-shell "dwm.tmux prevpane"'
+set -g command-alias[105] rotateccw='run-shell "dwm.tmux rotateccw"'
+set -g command-alias[106] rotatecw='run-shell "dwm.tmux rotatecw"'
+set -g command-alias[107] zoom='run-shell "dwm.tmux zoom"'
+set -g command-alias[108] layouttile='run-shell "dwm.tmux layouttile"'
+set -g command-alias[109] float='run-shell "dwm.tmux float"'
+set -g command-alias[110] incmfact='run-shell "dwm.tmux incmfact"'
+set -g command-alias[111] decmfact='run-shell "dwm.tmux decmfact"'
+set -g command-alias[112] window0='run-shell "dwm.tmux window 0"'
+set -g command-alias[113] window1='run-shell "dwm.tmux window 1"'
+set -g command-alias[114] window2='run-shell "dwm.tmux window 2"'
+set -g command-alias[115] window3='run-shell "dwm.tmux window 3"'
+set -g command-alias[116] window4='run-shell "dwm.tmux window 4"'
+set -g command-alias[117] window5='run-shell "dwm.tmux window 5"'
+set -g command-alias[118] window6='run-shell "dwm.tmux window 6"'
+set -g command-alias[119] window7='run-shell "dwm.tmux window 7"'
+set -g command-alias[120] window8='run-shell "dwm.tmux window 8"'
+set -g command-alias[121] window9='run-shell "dwm.tmux window 9"'
+
+set-hook -g pane-exited 'run-shell "dwm.tmux layouttile"'
+
+# these keybinds are odd because vim already has ctrl-hjkl for buffers
+bind -n C-e newpane
+bind -n C-w newpanecurdir
+bind -n C-c killpane
+bind -n C-u nextpane
+bind -n C-i prevpane
+bind -n C-Enter zoom
+bind h decmfact
+bind l incmfact

src/.local/bin/dwm.tmux

@@ -0,0 +1,114 @@
+#!/bin/sh
+# https://github.com/saysjonathan/dwm.tmux
+
+window_panes=
+killlast=
+mfact=
+
+newpane() {
+  tmux \
+    split-window -t :.0\; \
+    swap-pane -s :.0 -t :.1\; \
+    select-layout main-vertical\; \
+    resize-pane -t :.0 -x ${mfact}%
+}
+
+newpanecurdir() {
+  tmux \
+    split-window -t :.0 -c "#{pane_current_path}"\; \
+    swap-pane -s :.0 -t :.1\; \
+    select-layout main-vertical\; \
+    resize-pane -t :.0 -x ${mfact}%
+}
+
+killpane() {
+  if [ $window_panes -gt 1 ]; then
+    tmux kill-pane -t :.\; \
+         select-layout main-vertical\; \
+         resize-pane -t :.0 -x ${mfact}%
+  else
+    if [ $killlast -ne 0 ]; then
+      tmux kill-window
+    fi
+  fi
+}
+
+nextpane() {
+  tmux select-pane -t :.+
+}
+
+prevpane() {
+  tmux select-pane -t :.-
+}
+
+rotateccw() {
+  tmux rotate-window -U\; select-pane -t 0
+}
+
+rotatecw() {
+  tmux rotate-window -D\; select-pane -t 0
+}
+
+zoom() {
+  tmux swap-pane -s :. -t :.0\; select-pane -t :.0
+}
+
+layouttile() {
+  tmux select-layout main-vertical\; resize-pane -t :.0 -x ${mfact}%
+}
+
+float() {
+  tmux resize-pane -Z
+}
+
+incmfact() {
+  fact=$((mfact + 5))
+  if [ $fact -le 95 ]; then
+    tmux \
+      setenv mfact $fact\; \
+      resize-pane -t :.0 -x ${fact}%
+  fi
+}
+
+decmfact() {
+  fact=$((mfact - 5))
+  if [ $fact -ge 5 ]; then
+    tmux \
+      setenv mfact $fact\; \
+      resize-pane -t :.0 -x ${fact}%
+  fi
+}
+
+window() {
+  window=$1
+  tmux selectw -t $window
+}
+
+if [ $# -lt 1 ]; then
+  echo "dwm.tmux.sh [command]"
+  exit
+fi
+
+command=$1;shift
+args=$*
+set -- $(echo $(tmux display -p "#{window_panes}\n#{killlast}\n#{mfact}"))
+window_panes=$1
+killlast=$2
+mfact=$3
+
+case $command in
+  newpane) newpane;;
+  newpanecurdir) newpanecurdir;;
+  killpane) killpane;;
+  nextpane) nextpane;;
+  prevpane) prevpane;;
+  rotateccw) rotateccw;;
+  rotatecw) rotatecw;;
+  zoom) zoom;;
+  layouttile) layouttile;;
+  float) float;;
+  incmfact) incmfact;;
+  decmfact) decmfact;;
+  window) window $args;;
+  *) echo "unknown command"; exit 1;;
+esac