docs: update man page

man/waybar-keyboard-state.5.scd

@@ -26,7 +26,10 @@ You must be a member of the input group to use this module.
 *format-icons*: ++
 	typeof: object ++
 	default: {"locked": "locked", "unlocked": "unlocked"} ++
-	Based on the keyboard state, the corresponding icon gets selected. The same set of icons is used for number, caps, and scroll lock, but the icon is selected from the set independently for each. See *icons*.
+	Based on the keyboard state, the corresponding icon gets selected. Supports two syntaxes:
+	- Common format-icons: "locked" and "unlocked" keys apply to all lock types.
+	- Per-lock-type format-icons: per-lock-type objects with "numlock", "capslock", "scrolllock" keys, each containing "locked" and "unlocked" icons.
+	See *icons*.
 
 *numlock*: ++
 	typeof: bool ++
@@ -68,15 +71,21 @@ You must be a member of the input group to use this module.
 
 The following *format-icons* can be set.
 
+## Common format-icons for all lock types:
 - *locked*: Will be shown when the keyboard state is locked. Default "locked".
-- *unlocked*: Will be shown when the keyboard state is not locked. Default "unlocked"
+- *unlocked*: Will be shown when the keyboard state is not locked. Default "unlocked".
+
+## Per-lock-type format-icons:
+- *numlock*, *capslock*, *scrolllock*: Object containing "locked" and "unlocked" keys for lock-type-specific icons. Defaults to {"locked": "locked", "unlocked": "unlocked"} for each lock type.
 
 # EXAMPLE:
 
+## Common format-icons for all lock types:
 ```
 "keyboard-state": {
 	"numlock": true,
 	"capslock": true,
+	"scrolllock": true,
 	"format": "{name} {icon}",
 	"format-icons": {
 		"locked": "",
@@ -85,6 +94,30 @@ The following *format-icons* can be set.
 }
 ```
 
+## Per-lock-type format-icons:
+```
+"keyboard-state": {
+	"numlock": true,
+	"capslock": true,
+	"scrolllock": true,
+	"format": "{name} {icon}",
+	"format-icons": {
+		"numlock": {
+			"locked": "1",
+			"unlocked": "0"
+		},
+		"capslock": {
+			"locked": "A",
+			"unlocked": "a"
+		},
+		"scrolllock": {
+			"locked": "S",
+			"unlocked": "s"
+		}
+	}
+}
+```
+
 # STYLE
 
 - *#keyboard-state*

src/modules/keyboard_state.cpp

@@ -79,17 +79,22 @@ auto supportsLockStates(const libevdev* dev) -> bool {
 }
 
 auto isCommonFormatIcons(const Json::Value& config) -> bool {
-  return config["format-icons"].isObject() && (config["format-icons"]["locked"].isString() || config["format-icons"]["unlocked"].isString());
+  return config["format-icons"].isObject() && (config["format-icons"]["locked"].isString() ||
+                                               config["format-icons"]["unlocked"].isString());
 }
 
-auto keyStateToIcons(const Json::Value& config) -> std::unordered_map<std::string, std::vector<std::string>> {
+auto keyStateToIcons(const Json::Value& config)
+    -> std::unordered_map<std::string, std::vector<std::string>> {
   std::unordered_map<std::string, std::vector<std::string>> key_icon_states;
   std::vector<std::string> default_icons = {"unlocked", "locked"};
 
   if (isCommonFormatIcons(config)) {
     std::vector<std::string> icons = {
-      config["format-icons"]["unlocked"].isString() ? config["format-icons"]["unlocked"].asString() : "unlocked",
+        config["format-icons"]["unlocked"].isString()
-      config["format-icons"]["locked"].isString() ? config["format-icons"]["locked"].asString() : "locked",
+            ? config["format-icons"]["unlocked"].asString()
+            : "unlocked",
+        config["format-icons"]["locked"].isString() ? config["format-icons"]["locked"].asString()
+                                                    : "locked",
     };
     key_icon_states["Lock"] = icons;
     return key_icon_states;
@@ -100,8 +105,12 @@ auto keyStateToIcons(const Json::Value& config) -> std::unordered_map<std::strin
     std::string map_key = key.substr(0, key.length() - 4);
     map_key[0] = std::toupper(map_key[0]);
     if (config["format-icons"].isObject() && config["format-icons"][key].isObject()) {
-      std::string unlocked = config["format-icons"][key]["unlocked"].isString() ? config["format-icons"][key]["unlocked"].asString() : "unlocked";
+      std::string unlocked = config["format-icons"][key]["unlocked"].isString()
-      std::string locked = config["format-icons"][key]["locked"].isString() ? config["format-icons"][key]["locked"].asString() : "locked";
+                                 ? config["format-icons"][key]["unlocked"].asString()
+                                 : "unlocked";
+      std::string locked = config["format-icons"][key]["locked"].isString()
+                               ? config["format-icons"][key]["locked"].asString()
+                               : "locked";
       key_icon_states[map_key] = {unlocked, locked};
       found_any = true;
     }