[pob1-port] Allow calc panes to become overlay windows

spec/System/TestCalcSectionOverlay_spec.lua

@@ -0,0 +1,162 @@
+describe("TestCalcSectionOverlay", function()
+	before_each(function()
+		newBuild()
+	end)
+
+	local function findSections()
+		local pinnable
+		local controlled
+		for _, section in ipairs(build.calcsTab.sectionList) do
+			if section.hasControls then
+				controlled = controlled or section
+			else
+				pinnable = pinnable or section
+			end
+		end
+		return pinnable, controlled
+	end
+
+	it("initializes overlay state and pop-out controls", function()
+		assert.same({ }, build.overlayPanes)
+
+		local pinnable, controlled = findSections()
+		assert.is_not_nil(pinnable)
+		assert.is_not_nil(controlled)
+		assert.is_not_nil(pinnable.controls.popOut)
+		assert.is_not_nil(controlled.controls.popOut)
+
+		pinnable.enabled = true
+		controlled.enabled = true
+		assert.is_true(pinnable.controls.popOut.shown())
+		assert.is_false(controlled.controls.popOut.shown())
+	end)
+
+	it("adds, raises, and removes overlay panes", function()
+		local first = findSections()
+		local second
+		for _, section in ipairs(build.calcsTab.sectionList) do
+			if section ~= first and not section.hasControls then
+				second = section
+				break
+			end
+		end
+		assert.is_not_nil(second)
+
+		first.x, first.y = 100, 120
+		second.x, second.y = 200, 220
+		first:ToggleOverlay()
+		second:ToggleOverlay()
+		assert.same({ first, second }, build.overlayPanes)
+		assert.is_true(first.isOverlay)
+		assert.is_false(first.shown())
+
+		first:RaiseOverlay()
+		assert.same({ second, first }, build.overlayPanes)
+
+		first:ToggleOverlay()
+		assert.same({ second }, build.overlayPanes)
+		assert.is_false(first.isOverlay)
+		assert.is_false(first.dragging)
+	end)
+
+	it("closes an overlay through its close button", function()
+		local section = findSections()
+		section.x, section.y = 100, 120
+		section:ToggleOverlay()
+
+		section:HandleOverlayClick("LEFTBUTTON", section.overlayX + section.width - 10, section.overlayY + 10)
+
+		assert.is_false(section.isOverlay)
+		assert.same({ }, build.overlayPanes)
+	end)
+
+	it("draws a populated overlay outside the Calcs tab", function()
+		build.viewMode = "CALCS"
+		runCallback("OnFrame")
+		local section
+		for _, candidate in ipairs(build.calcsTab.sectionList) do
+			if candidate.enabled and not candidate.hasControls then
+				section = candidate
+				break
+			end
+		end
+		assert.is_not_nil(section)
+		section:ToggleOverlay()
+		build.viewMode = "TREE"
+
+		assert.has_no.errors(function()
+			runCallback("OnFrame")
+		end)
+	end)
+
+	it("routes a click only to the topmost overlay", function()
+		local clicked = { }
+		local function fakePane(name)
+			return {
+				isOverlay = true,
+				IsMouseInOverlay = function()
+					return true
+				end,
+				HandleOverlayClick = function()
+					table.insert(clicked, name)
+				end,
+				HandleOverlayRelease = function()
+				end,
+				DrawOverlay = function()
+				end,
+			}
+		end
+		build.overlayPanes = { fakePane("bottom"), fakePane("top") }
+		local inputEvents = { { type = "KeyDown", key = "LEFTBUTTON" } }
+
+		build:OnFrame(inputEvents)
+
+		assert.same({ "top" }, clicked)
+		assert.is_nil(inputEvents[1])
+	end)
+
+	it("unpins a stat breakdown when its cell is clicked again", function()
+		local displayData
+		for _, section in ipairs(build.calcsTab.sectionList) do
+			for _, subSection in ipairs(section.subSection) do
+				for _, rowData in ipairs(subSection.data) do
+					for _, colData in ipairs(rowData) do
+						if colData.format then
+							displayData = colData
+							break
+						end
+					end
+					if displayData then break end
+				end
+				if displayData then break end
+			end
+			if displayData then break end
+		end
+		assert.is_not_nil(displayData)
+		assert.is_not_nil(displayData.calcSection)
+		build.calcsTab.controls.breakdown.SetBreakdownData = function()
+		end
+
+		build.calcsTab:SetDisplayStat(displayData, true)
+		assert.are.equal(displayData, build.calcsTab.displayData)
+		assert.is_true(build.calcsTab.displayPinned)
+
+		build.calcsTab:SetDisplayStat(displayData, true)
+		assert.is_nil(build.calcsTab.displayData)
+		assert.is_nil(build.calcsTab.displayPinned)
+	end)
+
+	it("does not attach another pane's pinned breakdown to a hovered overlay", function()
+		local section = findSections()
+		local pinnedData = { calcSection = section }
+		local hoveredData = { calcSection = section }
+		build.calcsTab.controls.breakdown.SetBreakdownData = function()
+		end
+		build.calcsTab:SetDisplayStat(pinnedData, true)
+
+		section:SetOverlayDisplayStat(hoveredData)
+
+		assert.are.equal(pinnedData, build.calcsTab.displayData)
+		assert.is_false(section.overlayBreakdownCell)
+	end)
+end)