module/NixOnDroid.nix

@@ -1,9 +1,10 @@
 { pkgs, inputs, const, style, util, key, setting, secret, ... } @args: let
-	homePath = "/data/data/com.termux.nix/files/home";
+	homePath   = "/data/data/com.termux.nix/files/home";
-	tmux     = import ./common/tmux args;
+	tmux       = import ./common/tmux args;
-	bash     = import ./common/bash args;
+	tmuxScript = pkgs.writeShellScriptBin "tmux_script" tmux.script;
-	nvim     = import ./common/nvim args;
+	bash       = import ./common/bash args;
-	ssh      = import ./common/ssh  args;
+	nvim       = import ./common/nvim args;
+	ssh        = import ./common/ssh  args;
 	font = pkgs.runCommandNoCC "font" {} ''
 		cp ${pkgs.nerdfonts.override { fonts = [ "Terminus" ]; }}/share/fonts/truetype/NerdFonts/TerminessNerdFontMono-Regular.ttf $out
 	'';
@@ -110,7 +111,7 @@ in {
 		ripgrep
 		rsync
 		sqlite
-		pkgs.tmux
+		pkgs.tmux tmuxScript
 		tree
 		utillinux
 		wget

module/common/Tmux.nix

@@ -1,8 +1,10 @@
 { pkgs, style, key, util, ... } @args: let
-	tmux = import ./tmux args;
+	tmux   = import ./tmux args;
+	script = pkgs.writeShellScriptBin "tmux_script" tmux.script;
 in {
 	programs.tmux = {
 		enable = true;
 		extraConfig = tmux.config;
 	};
+	environment.systemPackages = [ script ];
 }

module/common/tmux/Script.nix

@@ -0,0 +1,150 @@
+{ setting, util, ... }: {
+	text = util.trimTabs ''
+		#!/usr/bin/env bash
+
+		function _tmux_battery() {
+			local IFS=$'\n'
+
+			local batteries=($(ls /sys/class/power_supply/ | grep ^BAT[0-9]$))
+			[[ "''${batteries}" = "" ]] && return 1
+
+			local battery="/sys/class/power_supply/''${batteries[0]}"
+			local level=$(cat ''${battery}/capacity)
+			local status=$(cat ''${battery}/status)
+			local is_charging=false
+			[[ "''${status}" = "Charging" ]] && is_charging=true
+
+			local icon
+			if ((level>=${toString(setting.tmux.status.battery.threshold.high)}))
+			then
+				icon="󱊣"
+			elif ((level>=${toString(setting.tmux.status.battery.threshold.medium)}))
+			then
+				icon="󱊢"
+			elif ((level>=${toString(setting.tmux.status.battery.threshold.low)}))
+			then
+				icon="󱊡"
+			else
+				icon="󰂎"
+			fi
+
+			echo -n "''${icon}"
+			''${is_charging} && echo -n "󱐋"
+			echo
+			echo -n "''${level}"
+		}
+
+		function _tmux_volume() {
+			local IFS=$'\n'
+			local level=$(wpctl get-volume @DEFAULT_SINK@ | cut -d\  -f2 | sed -e "s/^0//" -e "s/\.//")
+			[[ "''${level}" = "" ]] && return 1
+			[[ "''${level}" = "00" ]] && level="0"
+
+			local icon
+			if ((level>=${toString(setting.tmux.status.volume.threshold.high)}))
+			then
+				icon="󰕾"
+			elif ((level>=${toString(setting.tmux.status.volume.threshold.medium)}))
+			then
+				icon="󰖀"
+			elif ((level>=${toString(setting.tmux.status.volume.threshold.low)}))
+			then
+				icon=""
+			else
+				icon="󰝟"
+			fi
+
+			local muted=$(wpctl get-volume @DEFAULT_SINK@ | grep '[MUTED]')
+			if [[ "''${muted}" != "" ]]; then
+				icon="󰸈"
+			fi
+
+			echo "''${icon}"
+			echo -n "''${level}"
+		}
+
+		function _tmux_statusbar() {
+			local IFS=$'\n'
+			local sep=""
+			local thr_volume=${toString(setting.tmux.status.volume.threshold.show)}
+			local thr_battery=${toString(setting.tmux.status.battery.threshold.show)}
+			local is_uber=$(cat "/tmp/.tmux_uber" || echo -n false)
+
+			# Get data.
+			battery=($(_tmux_battery))
+			volume=($(_tmux_volume))
+
+			# Prepare separators.
+			sep_batvol=" "
+
+			if ''${is_uber} || [[ "''${battery[1]}" -lt "''${thr_battery}" ]] || [[ "''${volume[1]}" -gt "''${thr_volume}" ]]; then
+				sep_batvol=" ''${sep} "
+			fi
+			if [[ "''${battery[0]}" = "" ]]; then
+				sep_batvol=""
+			fi
+
+			# Print.
+			echo -n " "
+
+			# Assemble.
+			if ''${is_uber}; then
+				local lang=($(_tmux_language))
+				[[ "''${lang[0]}" != "" ]] && {
+					echo -n "''${lang[0]} ''${sep} "
+				};
+
+				[[ "''${volume[0]}"  != "" ]] && echo -n "''${volume[0]} ''${volume[1]}%''${sep_batvol}"
+				[[ "''${battery[0]}" != "" ]] && echo -n "''${battery[0]} ''${battery[1]}%"
+			else
+				[[ "''${volume[0]}"  != "" ]] && {
+					echo -n "''${volume[0]}"
+					[[ "''${volume[1]}" -gt 100 ]] && echo -n " ''${volume[1]}%"
+					echo -n "''${sep_batvol}"
+				};
+				[[ "''${battery[0]}" != "" ]] && {
+					echo -n "''${battery[0]}"
+					[[ "''${battery[1]}" -lt 40 ]] && echo -n " ''${battery[1]}%"
+				};
+			fi
+
+			echo -n " "
+		}
+
+		function _tmux_language() {
+			local IFS=$'\n'
+			local lang=$(swaymsg -t get_inputs | jq 'map(select(has("xkb_active_layout_name")))[0].xkb_active_layout_name')
+
+			echo -n ''${lang:1:2}
+		}
+
+		function _tmux_client_count() {
+			local IFS=$'\n'
+			local session=''${1}
+			local count=$(tmux list-clients -t ''${session} | wc -l)
+
+			[ ''${count} -gt 1 ] && echo -n "+''${count} "
+		}
+
+		function _tmux_toggle_statusbar() {
+			local file="/tmp/.tmux_uber"
+			if [[ ! -f ''${file} ]]; then
+				echo "true" > ''${file}
+			elif $(cat ''${file}); then
+				echo "false" > ''${file}
+			else
+				echo "true" > ''${file}
+			fi
+		}
+
+		IFS=$'\n'
+		action=''${1}
+		session=''${2}
+
+		case "''${action}" in
+			"statusbar")       _tmux_statusbar ;;
+			"client_count")    _tmux_client_count ''${session} ;;
+			"togglestatusbar") _tmux_toggle_statusbar ;;
+		esac
+	'';
+}

module/common/tmux/default.nix

@@ -1,3 +1,4 @@
 { style, key, util, setting, ... } @args: {
 	config = util.catAllText ./module args;
+	script = (import ./Script.nix args).text;
 }

module/common/tmux/module/Status.nix

@@ -7,15 +7,16 @@
 in {
 	text = ''
 		bind-key -n ${mod}-${key.tmux.status.toggle} set-option -g status;
+		bind-key -n ${mod}-${key.tmux.status.uber} run-shell 'tmux_script togglestatusbar'
 		set -g status-interval ${toString(setting.tmux.status.interval)}
 		set -g status-position bottom
 		set -g status-justify  left
 		set -g status-style "fg=#${fg}"
 
-		set -g status-left "#[bold] #H-#S "
+		set -g status-left "#[bold] #H-#S #(tmux_script client_count #S)"
 		set -g status-left-length  ${toString(setting.tmux.status.length)}
 		set -g status-right-length ${toString(setting.tmux.status.length)}
-		set -g status-right " %d %a #[bold] %H:%M "
+		set -g status-right "#(tmux_script statusbar) %d %a #[bold] %H:%M "
 
 		set-window-option -g window-status-separator ""
 

part/Key.nix

@@ -93,7 +93,8 @@
 			prev   = "9";
 		};
 		status = {
-			toggle = "f";
+			toggle = "F";
+			uber   = "f";
 		};
 		window = {
 			new        = "Escape";

user/common/keyd/module/Firefox.nix

@@ -5,10 +5,8 @@
 		alt.d = A-right
 		alt.s = down
 		alt.w = up
-		alt.e = C-pagedown
+		alt.e = C-tab
-		alt.E = C-S-pagedown
+		alt.q = C-S-tab
-		alt.q = C-pageup
-		alt.Q = C-S-pageup
 		alt.r = C-f5
 		alt.space = f6
 		alt.t = C-t