Add keyboard layout to waybar.

script/.local/bin/keyboard_layout_monitor

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# prints the current keyboard layout and then any layout changes
+# taken from https://github.com/Alexays/Waybar/pull/85
+
+swaymsg --type get_inputs --raw | \
+  jq --raw-output \
+    '[
+        .[] |
+          select(.type == "keyboard") |
+          .xkb_active_layout_name |
+	  select(contains("English \\(US\\)") | not)
+     ] |
+     first |
+     sub("English \\(US\\)"; "us") | sub("Portuguese \\(Brazil\\)"; "br")
+    '
+
+swaymsg --type subscribe --monitor --raw '["input"]' | \
+  jq --raw-output --unbuffered \
+    '
+      select(.change == "xkb_layout") |
+        .input.xkb_active_layout_name |
+	sub("English \\(US\\)"; "us") | sub("Portuguese \\(Brazil\\)"; "br")
+    '
+

wm/.config/sway/config

@@ -42,10 +42,8 @@ bindsym $mod+Shift+e exec swaynag -t warning -m 'You pressed the exit shortcut.
 set $keyboard "1:1:AT_Translated_Set_2_keyboard"
 input $keyboard {
 	xkb_layout "us,br"
+	xkb_options grp:win_space_toggle
 }
-#TODO: make script that automatically switches inputs
-bindsym $mod+Space input $keyboard xkb_switch_layout 0
-bindsym $mod+Shift+Space input $keyboard xkb_switch_layout 1
 # Touchpad
 set $touchpad "1739:31251:SYNA2393:00_06CB:7A13_Touchpad" 
 input $touchpad {
@@ -227,9 +225,9 @@ assign [title="CubeMX"] $wsn
 exec swaymsg 'workspace pdf; layout tabbed'
 assign [class="okular"] $wsp
 # Return to first workspace
-exec swaymsg 'workspace 1'
+exec swaymsg 'workspace 1;'
 
 ## Application specific settings
 for_window [class="krunner"] floating enable;
 for_window [class="konsole"] floating enable;
-for_window [class="pavucontrol"] floating enable;
+for_window [class="pavucontrol"] floating enable;

wm/.config/waybar/config

@@ -4,9 +4,9 @@
     "height": 25, // Waybar height (to be removed for auto height)
     // "width": 1280, // Waybar width
     // Choose the order of the modules
-    "modules-left": ["sway/workspaces", "sway/mode", "custom/media"],
+    "modules-left": ["sway/workspaces", "sway/mode", "custom/media", "tray"],
     "modules-center": ["sway/window"],
-    "modules-right": ["mpd", "idle_inhibitor", "pulseaudio", "network", "cpu", "memory", "temperature", "backlight", "battery", "clock", "tray"],
+    "modules-right": ["mpd", "idle_inhibitor", "pulseaudio", "network", "cpu", "memory", "temperature", "backlight", "battery", "custom/keyboard_layout", "clock"],
     // Modules configuration
     // "sway/workspaces": {
     //     "disable-scroll": true,
@@ -142,5 +142,9 @@
         "escape": true,
         "exec": "$HOME/.config/waybar/mediaplayer.py 2> /dev/null" // Script in resources folder
         // "exec": "$HOME/.config/waybar/mediaplayer.py --player spotify 2> /dev/null" // Filter player based on name
+    },
+    "custom/keyboard_layout": {
+    	"format": "🎹 {}", // piano keyboard. Normal keyboard: ⌨️
+	"exec": "keyboard_layout_monitor"
     }
 }

wm/.config/waybar/style.css

@@ -75,12 +75,18 @@ window#waybar.chromium {
 #custom-media,
 #tray,
 #mode,
-#idle_inhibitor {
+#idle_inhibitor,
+#custom-keyboard_layout {
     padding: 0 10px;
     margin: 0 4px;
     color: #ffffff;
 }
 
+#custom-keyboard_layout {
+    background-color: #b190b1;
+    color: #ffffff;
+}
+
 #clock {
     background-color: #64727D;
 }