Adding popup to specify new user path if default one fails

src/Modules/Main.lua

@@ -50,16 +50,44 @@ function main:Init()
 	self.modes["LIST"] = LoadModule("Modules/BuildList")
 	self.modes["BUILD"] = LoadModule("Modules/Build")
 
+	self.popups = { }
+	self.sharedItemList = { }
+	self.sharedItemSetList = { }
+	self.gameAccounts = { }
+
+	local ignoreBuild
+	if arg[1] then
+		buildSites.DownloadBuild(arg[1], nil, function(isSuccess, data)
+			if not isSuccess then
+				self:SetMode("BUILD", false, data)
+			else
+				local xmlText = Inflate(common.base64.decode(data:gsub("-","+"):gsub("_","/")))
+				self:SetMode("BUILD", false, "Imported Build", xmlText)
+				self.newModeChangeToTree = true
+			end
+		end)
+		arg[1] = nil -- Protect against downloading again this session.
+		ignoreBuild = true
+	end
+
+	if not ignoreBuild then
+		self:SetMode("BUILD", false, "Unnamed build")
+	end
 	if launch.devMode or (GetScriptPath() == GetRuntimePath() and not launch.installedMode) then
 		-- If running in dev mode or standalone mode, put user data in the script path
 		self.userPath = GetScriptPath().."/"
 	else
-		self.userPath = GetUserPath().."/Path of Building/"
-		MakeDir(self.userPath)
+		local invalidPath
+		self.userPath, invalidPath = GetUserPath()
+		if not self.userPath then
+			self:OpenPathPopup(invalidPath, ignoreBuild)
+		else
+			self.userPath = self.userPath.."/Path of Building/"
+		end
+	end
+	if self.userPath then
+		self:ChangeUserPath(self.userPath, ignoreBuild)
 	end
-	self.defaultBuildPath = self.userPath.."Builds/"
-	self.buildPath = self.defaultBuildPath
-	MakeDir(self.buildPath)
 
 	if launch.devMode and IsKeyDown("CTRL") then
 		-- If modLib.parseMod doesn't find a cache entry it generates it.
@@ -76,11 +104,8 @@ function main:Init()
 
 
 	self.inputEvents = { }
-	self.popups = { }
 	self.tooltipLines = { }
 
-	self.gameAccounts = { }
-
 	self.buildSortMode = "NAME"
 	self.connectionProtocol = 0
 	self.nodePowerTheme = "RED/BLUE"
@@ -96,26 +121,6 @@ function main:Init()
 	self.slotOnlyTooltips = true
 	self.POESESSID = ""
 
-	local ignoreBuild
-	if arg[1] then
-		buildSites.DownloadBuild(arg[1], nil, function(isSuccess, data)
-			if not isSuccess then
-				self:SetMode("BUILD", false, data)
-			else
-				local xmlText = Inflate(common.base64.decode(data:gsub("-","+"):gsub("_","/")))
-				self:SetMode("BUILD", false, "Imported Build", xmlText)
-				self.newModeChangeToTree = true
-			end
-		end)
-		arg[1] = nil -- Protect against downloading again this session.
-		ignoreBuild = true
-	end
-
-	if not ignoreBuild then
-		self:SetMode("BUILD", false, "Unnamed build")
-	end
-	self:LoadSettings(ignoreBuild)
-
 	self.tree = { }
 	self:LoadTree(latestTreeVersion)
 
@@ -160,7 +165,7 @@ function main:Init()
 		self.rareDB.loading = nil
 		ConPrintf("Rares loaded")
 	end
-	
+
 	if self.saveNewModCache then
 		local saved = self.defaultItemAffixQuality
 		self.defaultItemAffixQuality = 0.5
@@ -169,9 +174,6 @@ function main:Init()
 		self.defaultItemAffixQuality = saved
 	end
 
-	self.sharedItemList = { }
-	self.sharedItemSetList = { }
-
 	self.anchorMain = new("Control", nil, 4, 0, 0, 0)
 	self.anchorMain.y = function()
 		return self.screenH - 4
@@ -235,8 +237,6 @@ please reinstall using one of the installers from
 the "Releases" section of the GitHub page.]])
 	end
 
-	self:LoadSharedItems()
-
 	self.onFrameFuncs = {
 		["FirstFrame"] = function()
 			self.onFrameFuncs["FirstFrame"] = nil
@@ -249,7 +249,7 @@ the "Releases" section of the GitHub page.]])
 
 	if not self.saveNewModCache then
 		local itemsCoroutine = coroutine.create(loadItemDBs)
-		
+
 		self.onFrameFuncs["LoadItems"] = function()
 			local res, errMsg = coroutine.resume(itemsCoroutine)
 			if coroutine.status(itemsCoroutine) == "dead" then
@@ -717,6 +717,52 @@ function main:SaveSettings()
 	end
 end
 
+function main:OpenPathPopup(invalidPath, ignoreBuild)
+	local controls = { }
+	local defaultLabelPlacementX = 8
+
+	controls.label = new("LabelControl", { "TOPLEFT", nil, "TOPLEFT" }, defaultLabelPlacementX, 20, 206, 16, function()
+		return "^7User settings path contains unicode characters and cannot be loaded."..
+		"\nCurrent Path: "..invalidPath:gsub("?", "^1?^7").."/Path of Building/"..
+		"\nSpecify a new location for your Settings.xml:"
+	end)
+	controls.explainButton = new("ButtonControl", { "LEFT", controls.label, "RIGHT" }, 4, 0, 20, 20, "?", function()
+		OpenURL("https://github.com/PathOfBuildingCommunity/PathOfBuilding/wiki/Why-do-I-have-to-change-my-Settings-path%3F")
+	end)
+	controls.userPath = new("EditControl", { "TOPLEFT", controls.label, "TOPLEFT" }, 0, 60, 206, 20, invalidPath, nil, nil, nil, function(buf)
+		invalidPath = sanitiseText(buf)
+		if not invalidPath:match("?") then
+			controls.save.enabled = true
+		else
+			controls.save.enabled = false
+		end
+	end)
+	controls.save = new("ButtonControl", { "TOPLEFT", controls.userPath, "TOPLEFT" }, 0, 26, 206, 20, "Save", function()
+		local res, msg = MakeDir(controls.userPath.buf)
+		if not res and msg ~= "No error" then
+			self:OpenMessagePopup("Error", "Couldn't create '"..controls.userPath.buf.."' : "..msg)
+		else
+			self:ChangeUserPath(controls.userPath.buf, ignoreBuild)
+			self:ClosePopup()
+		end
+	end)
+	controls.save.enabled = false
+	controls.cancel = new("ButtonControl", nil, 0, 0, 0, 0, "Cancel", function()
+		-- Do nothing, require user to enter a location
+	end)
+	self:OpenPopup(600, 150, "Change Settings Path", controls, "save", nil, "cancel")
+end
+
+function main:ChangeUserPath(newUserPath, ignoreBuild)
+	self.userPath = newUserPath
+	MakeDir(self.userPath)
+	self.defaultBuildPath = self.userPath.."Builds/"
+	self.buildPath = self.defaultBuildPath
+	MakeDir(self.buildPath)
+	self:LoadSettings(ignoreBuild)
+	self:LoadSharedItems()
+end
+
 function main:OpenOptionsPopup()
 	local controls = { }