Add tooltips to buttons (rojo-rbx#637)

* Add tooltips

* Fix whitespace

* Avoid overloaded word canvas

* Clean render function

* Switch folder to fragment

plugin/src/App/Components/BorderedContainer.lua

@@ -26,6 +26,7 @@ local function BorderedContainer(props)
 			Content = e("Frame", {
 				Size = UDim2.new(1, 0, 1, 0),
 				BackgroundTransparency = 1,
+				ZIndex = 2,
 			}, props[Roact.Children]),
 
 			Border = e(SlicedImage, {

plugin/src/App/Components/Checkbox.lua

@@ -10,6 +10,7 @@ local Theme = require(Plugin.App.Theme)
 local bindingUtil = require(Plugin.App.bindingUtil)
 
 local SlicedImage = require(script.Parent.SlicedImage)
+local Tooltip = require(script.Parent.Tooltip)
 
 local e = Roact.createElement
 
@@ -52,6 +53,10 @@ function Checkbox:render()
 
 			[Roact.Event.Activated] = self.props.onClick,
 		}, {
+			StateTip = e(Tooltip.Trigger, {
+				text = if self.props.active then "Enabled" else "Disabled",
+			}),
+
 			Active = e(SlicedImage, {
 				slice = Assets.Slices.RoundedBackground,
 				color = theme.Active.BackgroundColor,

plugin/src/App/Components/IconButton.lua

@@ -75,6 +75,8 @@ function IconButton:render()
 
 			BackgroundTransparency = 1,
 		}),
+
+		Children = Roact.createFragment(self.props[Roact.Children]),
 	})
 end
 

plugin/src/App/Components/TextButton.lua

@@ -131,6 +131,8 @@ function TextButton:render()
 
 				zIndex = -2,
 			}),
+
+			Children = Roact.createFragment(self.props[Roact.Children]),
 		})
 	end)
 end

plugin/src/App/Components/Tooltip.lua

@@ -0,0 +1,226 @@
+local TextService = game:GetService("TextService")
+local HttpService = game:GetService("HttpService")
+
+local Rojo = script:FindFirstAncestor("Rojo")
+local Plugin = Rojo.Plugin
+local Packages = Rojo.Packages
+
+local Roact = require(Packages.Roact)
+local Theme = require(Plugin.App.Theme)
+
+local BorderedContainer = require(Plugin.App.Components.BorderedContainer)
+
+local e = Roact.createElement
+
+local DELAY = 0.75 -- How long to hover before a popup is shown (seconds)
+local TEXT_PADDING = Vector2.new(8 * 2, 6 * 2) -- Padding for the popup text containers
+local TAIL_SIZE = 16 -- Size of the triangle tail piece
+local X_OFFSET = 30 -- How far right (from left) the tail will be (assuming enough space)
+local Y_OVERLAP = 10 -- Let the triangle tail piece overlap the target a bit to help "connect" it
+
+local TooltipContext = Roact.createContext({})
+
+local function Popup(props)
+	local textSize = TextService:GetTextSize(
+		props.Text, 16, Enum.Font.GothamMedium, Vector2.new(math.min(props.parentSize.X, 160), math.huge)
+	) + TEXT_PADDING
+
+	local trigger = props.Trigger:getValue()
+
+	local spaceBelow = props.parentSize.Y - (trigger.AbsolutePosition.Y + trigger.AbsoluteSize.Y - Y_OVERLAP + TAIL_SIZE)
+	local spaceAbove = trigger.AbsolutePosition.Y + Y_OVERLAP - TAIL_SIZE
+
+	-- If there's not enough space below, and there's more space above, then show the tooltip above the trigger
+	local displayAbove = spaceBelow < textSize.Y and spaceAbove > spaceBelow
+
+	local X = math.clamp(props.Position.X - X_OFFSET, 0, props.parentSize.X - textSize.X)
+	local Y = 0
+
+	if displayAbove then
+		Y = math.max(trigger.AbsolutePosition.Y - TAIL_SIZE - textSize.Y + Y_OVERLAP, 0)
+	else
+		Y = math.min(trigger.AbsolutePosition.Y + trigger.AbsoluteSize.Y + TAIL_SIZE - Y_OVERLAP, props.parentSize.Y - textSize.Y)
+	end
+
+	return Theme.with(function(theme)
+		return e(BorderedContainer, {
+			position = UDim2.fromOffset(X, Y),
+			size = UDim2.fromOffset(textSize.X, textSize.Y),
+			transparency = props.transparency,
+		}, {
+			Label = e("TextLabel", {
+				BackgroundTransparency = 1,
+				Position = UDim2.fromScale(0.5, 0.5),
+				Size = UDim2.new(1, -TEXT_PADDING.X, 1, -TEXT_PADDING.Y),
+				AnchorPoint = Vector2.new(0.5, 0.5),
+				Text = props.Text,
+				TextSize = 16,
+				Font = Enum.Font.GothamMedium,
+				TextWrapped = true,
+				TextXAlignment = Enum.TextXAlignment.Left,
+				TextColor3 = theme.Button.Bordered.Enabled.TextColor,
+				TextTransparency = props.transparency,
+			}),
+
+			Tail = e("ImageLabel", {
+				ZIndex = 100,
+				Position =
+					if displayAbove then
+						UDim2.new(
+							0, math.clamp(props.Position.X - X, 6, textSize.X-6),
+							1, -3
+						)
+					else
+						UDim2.new(
+							0, math.clamp(props.Position.X - X, 6, textSize.X-6),
+							0, -TAIL_SIZE+3
+						),
+				Size = UDim2.fromOffset(TAIL_SIZE, TAIL_SIZE),
+				AnchorPoint = Vector2.new(0.5, 0),
+				Rotation = if displayAbove then 180 else 0,
+				BackgroundTransparency = 1,
+				Image = "rbxassetid://10983945016",
+				ImageColor3 = theme.BorderedContainer.BackgroundColor,
+				ImageTransparency = props.transparency,
+			}, {
+				Border = e("ImageLabel", {
+					Size = UDim2.fromScale(1, 1),
+					BackgroundTransparency = 1,
+					Image = "rbxassetid://10983946430",
+					ImageColor3 = theme.BorderedContainer.BorderColor,
+					ImageTransparency = props.transparency,
+				}),
+			})
+		})
+	end)
+end
+
+local Provider = Roact.Component:extend("TooltipManager")
+
+function Provider:init()
+	self:setState({
+		tips = {},
+		addTip = function(id: string, data: { Text: string, Position: Vector2, Trigger: any })
+			self:setState(function(state)
+				state.tips[id] = data
+				return state
+			end)
+		end,
+		removeTip = function(id: string)
+			self:setState(function(state)
+				state.tips[id] = nil
+				return state
+			end)
+		end,
+	})
+end
+
+function Provider:render()
+	return Roact.createElement(TooltipContext.Provider, {
+		value = self.state,
+	}, self.props[Roact.Children])
+end
+
+local Container = Roact.Component:extend("TooltipContainer")
+
+function Container:init()
+	self:setState({
+		size = Vector2.new(200, 100),
+	})
+end
+
+function Container:render()
+	return Roact.createElement(TooltipContext.Consumer, {
+		render = function(context)
+			local tips = context.tips
+			local popups = {}
+
+			for key, value in tips do
+				popups[key] = e(Popup, {
+					Text = value.Text or "",
+					Position = value.Position or Vector2.zero,
+					Trigger = value.Trigger,
+
+					parentSize = self.state.size,
+				})
+			end
+
+			return e("Frame", {
+				[Roact.Change.AbsoluteSize] = function(rbx)
+					self:setState({
+						size = rbx.AbsoluteSize,
+					})
+				end,
+				ZIndex = 100,
+				BackgroundTransparency = 1,
+				Size = UDim2.fromScale(1, 1),
+			}, popups)
+		end,
+	})
+end
+
+local Trigger = Roact.Component:extend("TooltipTrigger")
+
+function Trigger:init()
+	self.id = HttpService:GenerateGUID(false)
+	self.ref = Roact.createRef()
+	self.mousePos = Vector2.zero
+
+	self.destroy = function()
+		self.props.context.removeTip(self.id)
+	end
+end
+
+function Trigger:willUnmount()
+	if self.showDelayThread then
+		task.cancel(self.showDelayThread)
+	end
+	if self.destroy then
+		self.destroy()
+	end
+end
+
+function Trigger:render()
+	return e("Frame", {
+		Size = UDim2.fromScale(1, 1),
+		BackgroundTransparency = 1,
+		ZIndex = self.props.zIndex or 100,
+		[Roact.Ref] = self.ref,
+
+		[Roact.Event.MouseMoved] = function(_rbx, x, y)
+			self.mousePos = Vector2.new(x, y)
+		end,
+		[Roact.Event.MouseEnter] = function()
+			self.showDelayThread = task.delay(DELAY, function()
+				self.props.context.addTip(self.id, {
+					Text = self.props.text,
+					Position = self.mousePos,
+					Trigger = self.ref,
+				})
+			end)
+		end,
+		[Roact.Event.MouseLeave] = function()
+			if self.showDelayThread then
+				task.cancel(self.showDelayThread)
+			end
+			self.props.context.removeTip(self.id)
+		end,
+	})
+end
+
+local function TriggerConsumer(props)
+	return Roact.createElement(TooltipContext.Consumer, {
+		render = function(context)
+			local innerProps = table.clone(props)
+			innerProps.context = context
+
+			return e(Trigger, innerProps)
+		end,
+	})
+end
+
+return {
+	Provider = Provider,
+	Container = Container,
+	Trigger = TriggerConsumer,
+}

plugin/src/App/StatusPages/Connected.lua

@@ -10,6 +10,7 @@ local Assets = require(Plugin.Assets)
 local Header = require(Plugin.App.Components.Header)
 local IconButton = require(Plugin.App.Components.IconButton)
 local BorderedContainer = require(Plugin.App.Components.BorderedContainer)
+local Tooltip = require(Plugin.App.Components.Tooltip)
 
 local e = Roact.createElement
 
@@ -90,6 +91,10 @@ local function ConnectionDetails(props)
 				anchorPoint = Vector2.new(1, 0.5),
 
 				onClick = props.onDisconnect,
+			}, {
+				Tip = e(Tooltip.Trigger, {
+					text = "Disconnect from the Rojo sync server"
+				}),
 			}),
 
 			Padding = e("UIPadding", {

plugin/src/App/StatusPages/Error.lua

@@ -11,6 +11,7 @@ local Theme = require(Plugin.App.Theme)
 local TextButton = require(Plugin.App.Components.TextButton)
 local BorderedContainer = require(Plugin.App.Components.BorderedContainer)
 local ScrollingFrame = require(Plugin.App.Components.ScrollingFrame)
+local Tooltip = require(Plugin.App.Components.Tooltip)
 
 local e = Roact.createElement
 
@@ -123,6 +124,10 @@ function ErrorPage:render()
 				transparency = self.props.transparency,
 				layoutOrder = 1,
 				onClick = self.props.onClose,
+			}, {
+				Tip = e(Tooltip.Trigger, {
+					text = "Dismiss message"
+				}),
 			}),
 
 			Layout = e("UIListLayout", {

plugin/src/App/StatusPages/NotConnected.lua

@@ -10,6 +10,7 @@ local Theme = require(Plugin.App.Theme)
 local BorderedContainer = require(Plugin.App.Components.BorderedContainer)
 local TextButton = require(Plugin.App.Components.TextButton)
 local Header = require(Plugin.App.Components.Header)
+local Tooltip = require(Plugin.App.Components.Tooltip)
 
 local PORT_WIDTH = 74
 local DIVIDER_WIDTH = 1
@@ -116,6 +117,10 @@ function NotConnectedPage:render()
 				transparency = self.props.transparency,
 				layoutOrder = 1,
 				onClick = self.props.onNavigateSettings,
+			}, {
+				Tip = e(Tooltip.Trigger, {
+					text = "View and modify plugin settings"
+				}),
 			}),
 
 			Connect = e(TextButton, {
@@ -124,6 +129,10 @@ function NotConnectedPage:render()
 				transparency = self.props.transparency,
 				layoutOrder = 2,
 				onClick = self.props.onConnect,
+			}, {
+				Tip = e(Tooltip.Trigger, {
+					text = "Connect to a Rojo sync server"
+				}),
 			}),
 
 			Layout = e("UIListLayout", {

plugin/src/App/StatusPages/Settings/init.lua

@@ -11,6 +11,7 @@ local Theme = require(Plugin.App.Theme)
 
 local IconButton = require(Plugin.App.Components.IconButton)
 local ScrollingFrame = require(Plugin.App.Components.ScrollingFrame)
+local Tooltip = require(Plugin.App.Components.Tooltip)
 local Setting = require(script.Setting)
 
 local e = Roact.createElement
@@ -44,6 +45,10 @@ local function Navbar(props)
 				anchorPoint = Vector2.new(0, 0.5),
 
 				onClick = props.onBack,
+			}, {
+				Tip = e(Tooltip.Trigger, {
+					text = "Back"
+				}),
 			}),
 
 			Text = e("TextLabel", {