use snake_case consistently in lua function names

lua/browser.lua

@@ -10,7 +10,7 @@ local theme = require("theme")
 local screen = require("screen")
 
 return screen:new{
-    createUi = function(self)
+    create_ui = function(self)
         self.root = lvgl.Object(nil, {
             flex = {
                 flex_direction = "column",

lua/file_browser.lua

@@ -11,7 +11,7 @@ local screen = require("screen")
 local filesystem = require("filesystem")
 
 return screen:new {
-  createUi = function(self)
+  create_ui = function(self)
     self.root = lvgl.Object(nil, {
       flex = {
         flex_direction = "column",

lua/licenses.lua

@@ -8,8 +8,8 @@ local function show_license(text)
   backstack.push(widgets.MenuScreen:new {
     show_back = true,
     title = "Licenses",
-    createUi = function(self)
-      widgets.MenuScreen.createUi(self)
+    create_ui = function(self)
+      widgets.MenuScreen.create_ui(self)
       self.root:Label {
         w = lvgl.PCT(100),
         h = lvgl.SIZE_CONTENT,

lua/main.lua

@@ -65,7 +65,7 @@ local function init_ui()
       elseif time.ticks() - lock_time > 8000 then
         local queue = require("queue")
         if queue.size:get() > 0 then
-          require("playing"):pushIfNotShown()
+          require("playing"):push_if_not_shown()
         end
       end
     end),

lua/main_menu.lua

@@ -13,8 +13,8 @@ local img = require("images")
 local playback = require("playback")
 
 return widgets.MenuScreen:new {
-  createUi = function(self)
-    widgets.MenuScreen.createUi(self)
+  create_ui = function(self)
+    widgets.MenuScreen.create_ui(self)
 
     -- At the top, a card showing details about the current track. Hidden if
     -- there is no track currently playing.

lua/playing.lua

@@ -20,7 +20,7 @@ local icon_enabled_class = "icon_enabled"
 local icon_disabled_class = "icon_disabled"
 
 return screen:new {
-  createUi = function(self)
+  create_ui = function(self)
     self.root = lvgl.Object(nil, {
       flex = {
         flex_direction = "column",
@@ -281,9 +281,9 @@ return screen:new {
       end),
     }
   end,
-  onShown = function() is_now_playing_shown = true end,
-  onHidden = function() is_now_playing_shown = false end,
-  pushIfNotShown = function(self)
+  on_show = function() is_now_playing_shown = true end,
+  on_hide = function() is_now_playing_shown = false end,
+  push_if_not_shown = function(self)
     if not is_now_playing_shown then
       backstack.push(self:new())
     end

lua/settings.lua

@@ -15,8 +15,8 @@ local main_menu = require("main_menu")
 
 local SettingsScreen = widgets.MenuScreen:new {
   show_back = true,
-  createUi = function(self)
-    widgets.MenuScreen.createUi(self)
+  create_ui = function(self)
+    widgets.MenuScreen.create_ui(self)
     self.content = self.root:Object {
       flex = {
         flex_direction = "column",
@@ -35,8 +35,8 @@ local SettingsScreen = widgets.MenuScreen:new {
 
 local BluetoothPairing = SettingsScreen:new {
   title = "Nearby Devices",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
 
     local devices = self.content:List {
       w = lvgl.PCT(100),
@@ -55,14 +55,14 @@ local BluetoothPairing = SettingsScreen:new {
       end)
     }
   end,
-  onShown = function() bluetooth.discovering:set(true) end,
-  onHidden = function() bluetooth.discovering:set(false) end,
+  on_show = function() bluetooth.discovering:set(true) end,
+  on_hide = function() bluetooth.discovering:set(false) end,
 }
 
 local BluetoothSettings = SettingsScreen:new {
   title = "Bluetooth",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
 
     -- Enable/Disable switch
     local enable_container = self.content:Object {
@@ -203,8 +203,8 @@ local BluetoothSettings = SettingsScreen:new {
 
 local HeadphonesSettings = SettingsScreen:new {
   title = "Headphones",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
 
     theme.set_style(self.content:Label {
       text = "Maxiumum volume limit",
@@ -266,8 +266,8 @@ local HeadphonesSettings = SettingsScreen:new {
 
 local DisplaySettings = SettingsScreen:new {
   title = "Display",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
 
     local brightness_title = self.content:Object {
       flex = {
@@ -303,8 +303,8 @@ local DisplaySettings = SettingsScreen:new {
 
 local ThemeSettings = SettingsScreen:new {
   title = "Theme",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
 
     theme.set_style(self.content:Label {
       text = "Theme",
@@ -361,8 +361,8 @@ local ThemeSettings = SettingsScreen:new {
 
 local InputSettings = SettingsScreen:new {
   title = "Input Method",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
 
     theme.set_style(self.content:Label {
       text = "Control scheme",
@@ -420,8 +420,8 @@ local InputSettings = SettingsScreen:new {
 
 local MassStorageSettings = SettingsScreen:new {
   title = "USB Storage",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
 
     local version = require("version").samd()
     if tonumber(version) < 3 then
@@ -478,15 +478,15 @@ local MassStorageSettings = SettingsScreen:new {
       end)
     }
   end,
-  canPop = function()
+  can_pop = function()
     return not usb.msc_enabled:get()
   end
 }
 
 local DatabaseSettings = SettingsScreen:new {
   title = "Database",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
 
     local db = require("database")
     widgets.Row(self.content, "Schema version", db.version())
@@ -545,8 +545,8 @@ local DatabaseSettings = SettingsScreen:new {
 
 local PowerSettings = SettingsScreen:new {
   title = "Power",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
     local power = require("power")
 
     local charge_pct = widgets.Row(self.content, "Charge").right
@@ -598,8 +598,8 @@ local PowerSettings = SettingsScreen:new {
 
 local SamdConfirmation = SettingsScreen:new {
   title = "Are you sure?",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
     self.content:Label {
       w = lvgl.PCT(100),
       text = "After selecting 'flash', copy the new UF2 file onto the USB drive that appears. The screen will be blank until the update is finished.",
@@ -630,8 +630,8 @@ local SamdConfirmation = SettingsScreen:new {
 
 local FirmwareSettings = SettingsScreen:new {
   title = "Firmware",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
     local version = require("version")
     widgets.Row(self.content, "ESP32", version.esp())
     widgets.Row(self.content, "SAMD21", version.samd())
@@ -661,16 +661,16 @@ local FirmwareSettings = SettingsScreen:new {
 
 local LicensesScreen = SettingsScreen:new {
   title = "Licenses",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
     require("licenses")(self)
   end
 }
 
 local FccStatementScreen = SettingsScreen:new {
   title = "FCC Statement",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
 
     local text_part = function(text)
       self.content:Label {
@@ -698,8 +698,8 @@ local FccStatementScreen = SettingsScreen:new {
 
 local RegulatoryScreen = SettingsScreen:new {
   title = "Regulatory",
-  createUi = function(self)
-    SettingsScreen.createUi(self)
+  create_ui = function(self)
+    SettingsScreen.create_ui(self)
     local version = require("version")
 
     local small_row = function(left, right)
@@ -770,8 +770,8 @@ local RegulatoryScreen = SettingsScreen:new {
 return widgets.MenuScreen:new {
   show_back = true,
   title = "Settings",
-  createUi = function(self)
-    widgets.MenuScreen.createUi(self)
+  create_ui = function(self)
+    widgets.MenuScreen.create_ui(self)
     local list = self.root:List {
       w = lvgl.PCT(100),
       h = lvgl.PCT(100),

lua/widgets.lua

@@ -37,7 +37,7 @@ end
 widgets.MenuScreen = screen:new {
   show_back = false,
   title = "",
-  createUi = function(self)
+  create_ui = function(self)
     self.root = lvgl.Object(nil, {
       flex = {
         flex_direction = "column",

luals-stubs/screen.lua

@@ -12,19 +12,19 @@ local screen = {}
 function screen:new(params) end
 
 --- Called just before this screen is first displayed to the user.
-function screen:createUi() end
+function screen:create_ui() end
 
 --- Called whenever this screen is displayed to the user.
-function screen:onShown() end
+function screen:on_show() end
 
 --- Called whenever this screen is being hidden by the user; either because a
 --- new screen is being pushed on top of this way, or because this screen has
 --- been popped off of the stack.
-function screen:onHidden() end
+function screen:on_hide() end
 
 --- Called when this screen is about to be popped off of the stack. If this
 --- returns false, it will not be popped. May be a function, or any boolean
 --- convertable value.
-function screen:canPop() end
+function screen:can_pop() end
 
 return screen

src/tangara/lua/lua_screen.cpp

@@ -56,9 +56,9 @@ static auto screen_true(lua_State* state) -> int {
 }
 
 static const struct luaL_Reg kScreenFuncs[] = {
-    {"new", screen_new},      {"createUi", screen_noop},
-    {"onShown", screen_noop}, {"onHidden", screen_noop},
-    {"canPop", screen_true},  {NULL, NULL}};
+    {"new", screen_new},      {"create_ui", screen_noop},
+    {"on_show", screen_noop}, {"on_hide", screen_noop},
+    {"can_pop", screen_true}, {NULL, NULL}};
 
 static auto lua_screen(lua_State* state) -> int {
   luaL_newlib(state, kScreenFuncs);

src/tangara/ui/screen_lua.cpp

@@ -29,7 +29,7 @@ Lua::~Lua() {
 }
 
 auto Lua::onShown() -> void {
-  callMethod("onShown");
+  callMethod("on_show");
   forEachBinding([&](lua::Binding* b) {
     b->active = true;
     lua::Binding::apply(s_, -1);
@@ -37,7 +37,7 @@ auto Lua::onShown() -> void {
 }
 
 auto Lua::onHidden() -> void {
-  callMethod("onHidden");
+  callMethod("on_hide");
   forEachBinding([&](lua::Binding* b) { b->active = false; });
 }
 
@@ -46,7 +46,7 @@ auto Lua::canPop() -> bool {
     return true;
   }
   lua_rawgeti(s_, LUA_REGISTRYINDEX, *obj_ref_);
-  lua_pushliteral(s_, "canPop");
+  lua_pushliteral(s_, "can_pop");
 
   if (lua_gettable(s_, -2) == LUA_TFUNCTION) {
     // If we got a callback instead of a value, then invoke it to turn it into

src/tangara/ui/ui_fsm.cpp

@@ -754,7 +754,7 @@ auto Lua::PushLuaScreen(lua_State* s, bool replace) -> int {
 
   // Call the constructor for this screen.
   // lua_settop(s, 1);  // Make sure the screen is actually at top of stack
-  lua_pushliteral(s, "createUi");
+  lua_pushliteral(s, "create_ui");
   if (lua_gettable(s, 1) == LUA_TFUNCTION) {
     lua_pushvalue(s, 1);
     lua::CallProtected(s, 1, 0);