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Date:      Tue, 20 Feb 2018 18:04:08 +0000 (UTC)
From:      Kyle Evans <kevans@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r329645 - head/stand/lua
Message-ID:  <201802201804.w1KI48I3074401@repo.freebsd.org>

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Author: kevans
Date: Tue Feb 20 18:04:08 2018
New Revision: 329645
URL: https://svnweb.freebsd.org/changeset/base/329645

Log:
  lualoader: Move carousel storage out into config
  
  Carousel storage doesn't need to happen in the menu module, and indeed
  storing it there introduces a circular reference between drawer and menu
  that only works because of global pollution in loader.lua.
  
  Carousel choices generally map to config entries anyways, making it as good
  of place as any to store these. Move {get,set}CarouselIndex functionality
  out into config so that drawer and menu may both use it. If we had more
  carousel functionality, it might make sense to create a carousel module, but
  this is not the case.

Modified:
  head/stand/lua/config.lua
  head/stand/lua/drawer.lua
  head/stand/lua/menu.lua

Modified: head/stand/lua/config.lua
==============================================================================
--- head/stand/lua/config.lua	Tue Feb 20 17:46:50 2018	(r329644)
+++ head/stand/lua/config.lua	Tue Feb 20 18:04:08 2018	(r329645)
@@ -31,7 +31,10 @@ local config = {};
 
 local modules = {};
 
-local pattern_table = {
+local pattern_table;
+local carousel_choices = {};
+
+pattern_table = {
 	[1] = {
 		str = "^%s*(#.*)",
 		process = function(k, v)  end
@@ -124,6 +127,19 @@ local pattern_table = {
 config.env_changed = {};
 -- Values to restore env to (nil to unset)
 config.env_restore = {};
+
+-- The first item in every carousel is always the default item.
+function config.getCarouselIndex(id)
+	local val = carousel_choices[id];
+	if (val == nil) then
+		return 1;
+	end
+	return val;
+end
+
+function config.setCarouselIndex(id, idx)
+	carousel_choices[id] = idx;
+end
 
 function config.restoreEnv()
 	for k, v in pairs(config.env_changed) do

Modified: head/stand/lua/drawer.lua
==============================================================================
--- head/stand/lua/drawer.lua	Tue Feb 20 17:46:50 2018	(r329644)
+++ head/stand/lua/drawer.lua	Tue Feb 20 18:04:08 2018	(r329645)
@@ -28,6 +28,7 @@
 --
 
 local color = require("color");
+local config = require("config");
 local core = require("core");
 local screen = require("screen");
 
@@ -176,7 +177,7 @@ drawer.menu_name_handlers = {
 	-- types not specified here is to call and use entry.name().
 	[core.MENU_CAROUSEL_ENTRY] = function(drawing_menu, entry)
 		local carid = entry.carousel_id;
-		local caridx = menu.getCarouselIndex(carid);
+		local caridx = config.getCarouselIndex(carid);
 		local choices = entry.items();
 
 		if (#choices < caridx) then

Modified: head/stand/lua/menu.lua
==============================================================================
--- head/stand/lua/menu.lua	Tue Feb 20 17:46:50 2018	(r329644)
+++ head/stand/lua/menu.lua	Tue Feb 20 18:04:08 2018	(r329645)
@@ -39,7 +39,6 @@ local menu = {};
 local skip;
 local run;
 local autoboot;
-local carousel_choices = {};
 
 local OnOff = function(str, b)
 	if (b) then
@@ -65,12 +64,12 @@ menu.handlers = {
 	[core.MENU_CAROUSEL_ENTRY] = function(current_menu, entry)
 		-- carousel (rotating) functionality
 		local carid = entry.carousel_id;
-		local caridx = menu.getCarouselIndex(carid);
+		local caridx = config.getCarouselIndex(carid);
 		local choices = entry.items();
 
 		if (#choices > 0) then
 			caridx = (caridx % #choices) + 1;
-			menu.setCarouselIndex(carid, caridx);
+			config.setCarouselIndex(carid, caridx);
 			entry.func(caridx, choices[caridx], choices);
 		end
 	end,
@@ -326,19 +325,6 @@ menu.welcome = {
 		},
 	},
 };
-
--- The first item in every carousel is always the default item.
-function menu.getCarouselIndex(id)
-	local val = carousel_choices[id];
-	if (val == nil) then
-		return 1;
-	end
-	return val;
-end
-
-function menu.setCarouselIndex(id, idx)
-	carousel_choices[id] = idx;
-end
 
 function menu.run(m)
 



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