customizing tmux-powerline UI*

*note that this assumes changes I made to `tmux-powerline` locally will be accepted
upstream: see [here](erikw/tmux-powerline#362).

also added TODO to fix mode_indicator color scheme

Author: izzygomez

tmux/tmux-powerline/config.sh

@@ -29,7 +29,6 @@ fi
 
 	# The theme to use.
 	export TMUX_POWERLINE_THEME="izzy-default"
-	# TODO shouldn't assume that dotfiles/ dir lives in ~/code/
 	# Overlay directory to look for themes. There you can put your own themes outside the repo. Fallback will still be the "themes" directory in the repo.
 	export TMUX_POWERLINE_DIR_USER_THEMES="${XDG_CONFIG_HOME:-$HOME/.config}/tmux-powerline/themes"
 	# Overlay directory to look for segments. There you can put your own segments outside the repo. Fallback will still be the "segments" directory in the repo.
@@ -52,6 +51,9 @@ fi
 	# The maximum length of the right status bar.
 	export TMUX_POWERLINE_STATUS_RIGHT_LENGTH="90"
 
+	# The separator to use between windows on the status bar.
+	export TMUX_POWERLINE_WINDOW_STATUS_SEPARATOR=""
+
 	# Uncomment these if you want to enable tmux bindings for muting (hiding) one of the status bars.
 	# E.g. this example binding would mute the left status bar when pressing <prefix> followed by Ctrl-[
 	#export TMUX_POWERLINE_MUTE_LEFT_KEYBINDING="C-["

tmux/tmux-powerline/themes/izzy-default.sh

@@ -12,14 +12,15 @@ else
 	TMUX_POWERLINE_SEPARATOR_RIGHT_THIN="❯"
 fi
 
-TMUX_POWERLINE_DEFAULT_BACKGROUND_COLOR=${TMUX_POWERLINE_DEFAULT_BACKGROUND_COLOR:-'0'}
-TMUX_POWERLINE_DEFAULT_FOREGROUND_COLOR=${TMUX_POWERLINE_DEFAULT_FOREGROUND_COLOR:-'255'}
+# See Color formatting section below for details on what colors can be used here.
+TMUX_POWERLINE_DEFAULT_BACKGROUND_COLOR=${TMUX_POWERLINE_DEFAULT_BACKGROUND_COLOR:-'235'}
+TMUX_POWERLINE_DEFAULT_FOREGROUND_COLOR=${TMUX_POWERLINE_DEFAULT_FOREGROUND_COLOR:-'136'}
 
 TMUX_POWERLINE_DEFAULT_LEFTSIDE_SEPARATOR=${TMUX_POWERLINE_DEFAULT_LEFTSIDE_SEPARATOR:-$TMUX_POWERLINE_SEPARATOR_RIGHT_BOLD}
 TMUX_POWERLINE_DEFAULT_RIGHTSIDE_SEPARATOR=${TMUX_POWERLINE_DEFAULT_RIGHTSIDE_SEPARATOR:-$TMUX_POWERLINE_SEPARATOR_LEFT_BOLD}
 
-# See man tmux.conf for additional formatting options for the status line.
-# The `format regular` and `format inverse` functions are provided as conveniences
+# See `man tmux` for additional formatting options for the status line.
+# The `format regular` and `format inverse` functions are provided as conveniences.
 
 if [ -z $TMUX_POWERLINE_WINDOW_STATUS_CURRENT ]; then
 	TMUX_POWERLINE_WINDOW_STATUS_CURRENT=(
@@ -50,10 +51,12 @@ fi
 
 # Format: segment_name background_color foreground_color [non_default_separator] [separator_background_color] [separator_foreground_color] [spacing_disable] [separator_disable]
 #
-# * background_color and foreground_color. Formats:
-#   * Named colors (chech man page of tmux for complete list) e.g. black, red, green, yellow, blue, magenta, cyan, white
-#   * a hexadecimal RGB string e.g. #ffffff
-#   * 'default' for the defalt tmux color.
+# * background_color and foreground_color. Color formatting (see `man tmux` for complete list):
+#   * Named colors, e.g. black, red, green, yellow, blue, magenta, cyan, white
+#   * Hexadecimal RGB string e.g. #ffffff
+#   * 'default' for the default tmux color.
+#   * 'terminal' for the terminal's default background/foreground color
+#   * The numbers 0-255 for the 256-color palette. Run `tmux-powerline/color-palette.sh` to see the colors.
 # * non_default_separator - specify an alternative character for this segment's separator
 # * separator_background_color - specify a unique background color for the separator
 # * separator_foreground_color - specify a unique foreground color for the separator
@@ -77,8 +80,10 @@ fi
 
 if [ -z $TMUX_POWERLINE_LEFT_STATUS_SEGMENTS ]; then
 	TMUX_POWERLINE_LEFT_STATUS_SEGMENTS=(
-		"tmux_session_info 235 136 ${TMUX_POWERLINE_SEPARATOR_RIGHT_THIN}" \
-		"hostname 235 136" \
+		"tmux_session_info ${TMUX_POWERLINE_DEFAULT_BACKGROUND_COLOR} ${TMUX_POWERLINE_DEFAULT_FOREGROUND_COLOR} ${TMUX_POWERLINE_SEPARATOR_RIGHT_THIN}" \
+		"hostname ${TMUX_POWERLINE_DEFAULT_BACKGROUND_COLOR} ${TMUX_POWERLINE_DEFAULT_FOREGROUND_COLOR} ${TMUX_POWERLINE_SEPARATOR_RIGHT_THIN}" \
+		# TODO hack on this so that background isn't blue
+		"mode_indicator ${TMUX_POWERLINE_DEFAULT_BACKGROUND_COLOR} ${TMUX_POWERLINE_DEFAULT_FOREGROUND_COLOR} ${TMUX_POWERLINE_SEPARATOR_RIGHT_THIN}" \
 		#"ifstat 30 255" \
 		#"ifstat_sys 30 255" \
 		#"lan_ip 24 255 ${TMUX_POWERLINE_SEPARATOR_RIGHT_THIN}" \
@@ -105,9 +110,9 @@ if [ -z $TMUX_POWERLINE_RIGHT_STATUS_SEGMENTS ]; then
 		# "weather 37 255" \
 		#"rainbarf 0 ${TMUX_POWERLINE_DEFAULT_FOREGROUND_COLOR}" \
 		#"xkb_layout 125 117" \
-		"date_day 235 136" \
-		"date 235 136 ${TMUX_POWERLINE_SEPARATOR_LEFT_THIN}" \
-		"time 235 136 ${TMUX_POWERLINE_SEPARATOR_LEFT_THIN}" \
+		"date_day ${TMUX_POWERLINE_DEFAULT_BACKGROUND_COLOR} ${TMUX_POWERLINE_DEFAULT_FOREGROUND_COLOR} ${TMUX_POWERLINE_SEPARATOR_LEFT_THIN}" \
+		"date ${TMUX_POWERLINE_DEFAULT_BACKGROUND_COLOR} ${TMUX_POWERLINE_DEFAULT_FOREGROUND_COLOR} ${TMUX_POWERLINE_SEPARATOR_LEFT_THIN}" \
+		"time ${TMUX_POWERLINE_DEFAULT_BACKGROUND_COLOR} ${TMUX_POWERLINE_DEFAULT_FOREGROUND_COLOR} ${TMUX_POWERLINE_SEPARATOR_LEFT_THIN}" \
 		#"utc_time 235 136 ${TMUX_POWERLINE_SEPARATOR_LEFT_THIN}" \
 	)
 fi

tmux/tmux.conf

@@ -110,10 +110,12 @@ set -g @plugin 'tmux-plugins/tpm'
 # `confirm-before` usage for these shortcuts.
 set -g @plugin 'tmux-plugins/tmux-resurrect'
 
+# No longer using this plugin since UI is being customized through
+# tmux-powerline.
 # https://github.com/seebi/tmux-colors-solarized
-set -g @plugin 'seebi/tmux-colors-solarized'
+# set -g @plugin 'seebi/tmux-colors-solarized'
 # different themes are '256', 'dark', 'light', 'base16'
-set -g @colors-solarized 'dark'
+# set -g @colors-solarized 'dark'
 
 # tmux-powerline: https://github.com/erikw/tmux-powerline
 # note that powerline's config is in a separate file, `./tmux-powerlinerc`,