Make low fuel color configurable

src/c/main.c

@@ -54,10 +54,10 @@ static void batt_callback(BatteryChargeState state) {
 	s_batt_level = state.charge_percent / 5;
 	layer_mark_dirty(s_fuel_layer);
 	if (!s_low_fuel_indicator && s_batt_level <= settings.LowFuelBars) {
-		replace_gbitmap_color(s_applied_fg, GColorChromeYellow, s_e_icon, s_e_layer);
+		replace_gbitmap_color(s_applied_fg, settings.ColorLowFuel, s_e_icon, s_e_layer);
 		s_low_fuel_indicator = true;
 	} else if (s_low_fuel_indicator && s_batt_level > settings.LowFuelBars) {
-		replace_gbitmap_color(GColorChromeYellow, s_applied_fg, s_e_icon, s_e_layer);
+		replace_gbitmap_color(settings.ColorLowFuel, s_applied_fg, s_e_icon, s_e_layer);
 		s_low_fuel_indicator = false;
 	}
 }
@@ -307,6 +307,7 @@ static void inbox_received_handler(DictionaryIterator *iter, void *context) {
 	Tuple *color_mg_bar_tuple = dict_find(iter, MESSAGE_KEY_CLAY_BAR_MG_COLOR);
 	Tuple *color_mg_time_tuple = dict_find(iter, MESSAGE_KEY_CLAY_TIME_MG_COLOR);
 	Tuple *color_fg_tuple = dict_find(iter, MESSAGE_KEY_CLAY_FG_COLOR);
+	Tuple *color_low_fuel_tuple = dict_find(iter, MESSAGE_KEY_CLAY_LOW_FUEL_COLOR);
 	if (show_time_mg_tuple) {
 		settings.ShowTimeMG = show_time_mg_tuple->value->uint8;
 	}
@@ -328,6 +329,9 @@ static void inbox_received_handler(DictionaryIterator *iter, void *context) {
 	if (color_fg_tuple) {
 		settings.ColorFG = GColorFromHEX(color_fg_tuple->value->int32);
 	}
+	if (color_low_fuel_tuple) {
+		settings.ColorLowFuel = GColorFromHEX(color_low_fuel_tuple->value->int32);
+	}
 	persist_write_data(STORAGE_KEY_SETTINGS, &settings, sizeof(settings));
 	apply_settings(false);
 }
@@ -344,6 +348,7 @@ static void init() {
 		settings.ColorMGBars = GColorDarkGray;
 		settings.ColorMGTime = GColorDarkGray;
 		settings.ColorFG = GColorWhite;
+		settings.ColorLowFuel = GColorChromeYellow;
 	}
 
 	// load bitmaps

src/c/settings.h

@@ -11,6 +11,7 @@ typedef struct ClaySettings {
   GColor ColorMGBars;
   GColor ColorMGTime;
   GColor ColorFG;
+  GColor ColorLowFuel;
 } __attribute__((__packed__)) ClaySettings;
 
 _Static_assert(sizeof(ClaySettings) <= 256, "ClaySettings exceeds Pebble 256-byte persist limit!");

src/pkjs/config.js

@@ -123,6 +123,14 @@ module.exports = [
                 "defaultValue": "ffffff",
                 "label": "Foreground color",
                 "sunlight": false,
+            },
+            {
+                "id": "custom_color_low_fuel",
+                "type": "color",
+                "messageKey": "CLAY_LOW_FUEL_COLOR",
+                "defaultValue": "ffaa00",
+                "label": "Low fuel indicator color",
+                "sunlight": false,
             }
         ]
     },

src/pkjs/customClay.js

@@ -13,6 +13,7 @@ module.exports = function (minified) {
                 clayConfig.getItemById('custom_color_mg_bars').set('555555');
                 clayConfig.getItemById('custom_color_mg_time').set('555555');
                 clayConfig.getItemById('custom_color_fg').set('ff0000');
+                clayConfig.getItemById('custom_color_low_fuel').set('ffaa00');
                 break
             default:
                 clayConfig.getItemById('custom_color_led').set('ffffff');
@@ -32,6 +33,7 @@ module.exports = function (minified) {
             clayConfig.getItemById('custom_color_mg_bars').show();
             clayConfig.getItemById('custom_color_mg_time').show();
             clayConfig.getItemById('custom_color_fg').show();
+            clayConfig.getItemById('custom_color_low_fuel').show();
         } else {
             setColorsToPreset();
             clayConfig.getItemById('color_preset_selector').show();
@@ -40,6 +42,7 @@ module.exports = function (minified) {
             clayConfig.getItemById('custom_color_mg_bars').hide();
             clayConfig.getItemById('custom_color_mg_time').hide();
             clayConfig.getItemById('custom_color_fg').hide();
+            clayConfig.getItemById('custom_color_low_fuel').hide();
         }
     }