pimped the battery indicator with a heat palette

.tmux.conf

@@ -244,13 +244,16 @@ run 'for name in $(printenv | grep -Eo ^tmux_conf_[^=]+); do tmux setenv -gu $na
 #       window_status_last_attr=default
 #       tmux setw -g window-status-last-style $window_status_last_attr,fg=$window_status_last_fg
 #
-#       time_date_fg=colour245  # light gray
-#       time_date_bg=colour232  # dark gray
-#       whoami_fg=colour254     # white
-#       whoami_bg=colour160     # red
-#       host_fg=colour16        # black
-#       host_bg=colour254       # white
-#       status_right="${tmux_conf_battery:-#(cut -c3- ~/.tmux.conf | sh -s battery ${tmux_conf_battery_symbol:-block} ${tmux_conf_battery_symbol_count:-auto})} #[fg=$time_date_fg,nobold]$right_separator %R $right_separator %d %b #[fg=$whoami_bg,bg=$time_date_bg,nobold]$right_separator_black#[fg=$whoami_fg,bg=$whoami_bg,nobold] #(whoami) $right_separator_black#[fg=$host_fg,bg=$host_bg,bold] #h "
+#       battery_full_fg=colour160   # red
+#       battery_empty_fg=colour254  # white
+#       battery_bg=colour160        # black
+#       time_date_fg=colour245      # light gray
+#       time_date_bg=colour232      # dark gray
+#       whoami_fg=colour254         # white
+#       whoami_bg=colour160         # red
+#       host_fg=colour16            # black
+#       host_bg=colour254           # white
+#       status_right="${tmux_conf_battery:-#(cut -c3- ~/.tmux.conf | sh -s battery ${tmux_conf_battery_symbol:-block} ${tmux_conf_battery_symbol_count:-auto} ${tmux_conf_battery_palette:-colour160,colour254,colour16})} #[fg=$time_date_fg,nobold]$right_separator %R $right_separator %d %b #[fg=$whoami_bg,bg=$time_date_bg,nobold]$right_separator_black#[fg=$whoami_fg,bg=$whoami_bg,nobold] #(whoami) $right_separator_black#[fg=$host_fg,bg=$host_bg,bold] #h "
 #       tmux set -g status-right-length 64 \; set -g status-right "$status_right"
 #
 #       # clock
@@ -314,6 +317,7 @@ run 'for name in $(printenv | grep -Eo ^tmux_conf_[^=]+); do tmux setenv -gu $na
 # battery() {
 #   battery_symbol=$1
 #   battery_symbol_count=$2
+#   battery_palette=$3
 #   if [ $battery_symbol_count = auto ]; then
 #     columns=$(tmux display -p '#{client_width}' || echo 80)
 #     if [ $columns -ge 80 ]; then
@@ -322,11 +326,6 @@ run 'for name in $(printenv | grep -Eo ^tmux_conf_[^=]+); do tmux setenv -gu $na
 #       battery_symbol_count=5
 #     fi
 #   fi
-#   battery_full_fg=colour160
-#   battery_full_bg=colour16
-#   battery_empty_fg=colour254
-#   battery_empty_bg=colour16
-#
 #   battery_symbol_heart_full=♥
 #   battery_symbol_heart_empty=♥
 #   battery_symbol_block_full=◼
@@ -352,14 +351,42 @@ run 'for name in $(printenv | grep -Eo ^tmux_conf_[^=]+); do tmux setenv -gu $na
 #     charge="$(cat $batnow) / $(cat $batfull)" || return
 #   fi
 #
-#   full=$(printf %.0f $(echo "$charge * $battery_symbol_count" | bc -l))
-#   [ $full -gt 0 ] && \
-#     printf '#[fg=%s,bg=%s]' $battery_full_fg $battery_full_bg && \
-#     printf "%0.s$battery_symbol_full" $(seq 1 $full)
-#   empty=$(($battery_symbol_count - $full))
-#   [ $empty -gt 0 ] && \
-#     printf '#[fg=%s,bg=%s]' $battery_empty_fg $battery_empty_bg && \
-#     printf "%0.s$battery_symbol_empty" $(seq 1 $empty)
+#   if echo $battery_palette | grep -q -E '^(colour[0-9]{1,3},?){3}$'; then
+#     battery_full_fg=$(echo $battery_palette | cut -d, -f1)
+#     battery_empty_fg=$(echo $battery_palette | cut -d, -f2)
+#     battery_bg=$(echo $battery_palette | cut -d, -f3)
+#
+#     full=$(printf %.0f $(echo "$charge * $battery_symbol_count" | bc -l))
+#     [ $full -gt 0 ] && \
+#       printf '#[fg=%s,bg=%s]' $battery_full_fg $battery_bg && \
+#       printf "%0.s$battery_symbol_full" $(seq 1 $full)
+#     empty=$(($battery_symbol_count - $full))
+#     [ $empty -gt 0 ] && \
+#       printf '#[fg=%s,bg=%s]' $battery_empty_fg $battery_bg && \
+#       printf "%0.s$battery_symbol_empty" $(seq 1 $empty)
+#   elif echo $battery_palette | grep -q -E '^heat(,colour[0-9]{1,3})?$'; then
+#     battery_bg=$(echo $battery_palette | cut -s -d, -f2)
+#     battery_bg=${battery_bg:-colour16}
+#     heat="233 234 235 237 239 241 243 245 247 144 143 142 184 214 208 202 196"
+#     heat_count=$(echo $(echo $heat | wc -w))
+#
+#     eval set -- "$heat"
+#     heat=$(eval echo $(eval echo $(printf "\\$\{\$(expr %s \* $heat_count / $battery_symbol_count)\} " $(seq 1 $battery_symbol_count))))
+#
+#     full=$(printf %.0f $(echo "$charge * $battery_symbol_count" | bc -l))
+#     printf '#[bg=%s]' $battery_bg
+#     [ $full -gt 0 ] && \
+#       printf "#[fg=colour%s]$battery_symbol_full" $(echo $heat | cut -d' ' -f1-$full)
+#     empty=$(($battery_symbol_count - $full))
+#     if [ x"$battery_symbol" = x"heart" ]; then
+#       [ $empty -gt 0 ] && \
+#         printf '#[fg=%s]' $battery_bg && \
+#         printf "%0.s$battery_symbol_empty" $(seq 1 $empty)
+#     else
+#       [ $empty -gt 0 ] && \
+#         printf "#[fg=colour%s]$battery_symbol_empty" $(echo $heat | cut -d' ' -f$full-$(expr $full + $empty))
+#     fi
+#   fi
 # }
 #
 # apply_configurable_bindings() {

.tmux.conf.local

@@ -5,6 +5,9 @@
 #tmux_conf_battery_symbol=heart
 #tmux_conf_battery_symbol_count=5
 
+# use the heat palette for the battery status
+#tmux_conf_battery_palette=heat
+
 # or alternatively use an external tool, e.g. https://github.com/Goles/Battery
 #tmux_conf_battery='#(battery -t) '
 

README.md

@@ -3,7 +3,7 @@
 
 Self-contained, opinionated `.tmux.conf` configuration file.
 
-![Screenshot](screenshot.png)
+![Screenshot](https://cloud.githubusercontent.com/assets/553208/6979291/36999f48-d9e2-11e4-8815-449f7372b496.png)
 
 The `master` branch targets tmux 1.9+. You may want to use the `1.7` or `1.8`
 branch.
@@ -58,6 +58,11 @@ Edit your `~/.tmux.conf.local` file and uncomment the following lines:
     #tmux_conf_battery_symbol=heart
     #tmux_conf_battery_symbol_count=5
 
+To use a heat palette for the battery indicator, edit your `~/.tmux.conf.local`
+file and uncomment the following line:
+
+    #tmux_conf_battery_palette=heat
+
 See `~/.tmux.conf.local` for more details.
 
 ### Configuring new windows and new panes creation