tables: full port of imgui_tables.cpp (layout, borders, draw channel merge, sorting, headers, angled headers, context menu, .ini settings, reconcile, GC) + legacy Columns API; demo: ShowUserGuide, DemoWindowColumns; misc widget aliases
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4DBug
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-- Tables: basic, borders/rowbg, resizable+reorderable+hideable+sortable headers, scroll freeze + clipper, angled headers, legacy Columns, ini round trip
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local ReplicatedStorage = game:GetService("ReplicatedStorage")
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local RunService = game:GetService("RunService")
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local G = require(ReplicatedStorage:WaitForChild("ImGui"))
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local ImGui, ImVec2 = G.ImGui, G.ImVec2
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local TF, CF = G.ImGuiTableFlags, G.ImGuiTableColumnFlags
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local bor = bit32.bor
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ImGui.CreateContext()
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G.ImGui_ImplRoblox.Init()
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local frame = 0
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local sorted_specs = nil
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local visible_rows = 0
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local hovered_col = nil
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RunService.Stepped:Connect(function()
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frame += 1
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G.ImGui_ImplRoblox.NewFrame()
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local io = ImGui.GetIO()
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-- drag the border between column 0 and 1 of "sortable" on frames 10..20
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ImGui.NewFrame()
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ImGui.SetNextWindowPos(ImVec2(10, 10), G.ImGuiCond.Always)
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ImGui.SetNextWindowSize(ImVec2(700, 900), G.ImGuiCond.Always)
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ImGui.Begin("Tables")
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if ImGui.BeginTable("basic", 3) then
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for row = 0, 3 do
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ImGui.TableNextRow()
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for col = 0, 2 do
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ImGui.TableSetColumnIndex(col)
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ImGui.Text("Row %d Column %d", row, col)
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end
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end
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ImGui.EndTable()
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end
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if ImGui.BeginTable("borders", 3, bor(TF.Borders, TF.RowBg)) then
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for row = 0, 4 do
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ImGui.TableNextRow()
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for col = 0, 2 do
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ImGui.TableNextColumn()
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ImGui.Text("Hello %d,%d", col, row)
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if row == 2 and col == 1 then ImGui.TableSetBgColor(G.ImGuiTableBgTarget.CellBg, G.IM_COL32(255, 0, 0, 255)) end
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end
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end
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ImGui.EndTable()
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end
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if ImGui.BeginTable("sortable", 4, bor(TF.Resizable, TF.Reorderable, TF.Hideable, TF.Sortable, TF.SortMulti, TF.BordersOuter, TF.BordersV)) then
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ImGui.TableSetupColumn("ID", bor(CF.DefaultSort, CF.WidthFixed), 0.0, 0)
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ImGui.TableSetupColumn("Name", CF.WidthFixed, 0.0, 1)
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ImGui.TableSetupColumn("Action", bor(CF.NoSort, CF.WidthFixed), 0.0, 2)
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ImGui.TableSetupColumn("Quantity", bor(CF.PreferSortDescending, CF.WidthStretch), 0.0, 3)
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ImGui.TableHeadersRow()
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local specs = ImGui.TableGetSortSpecs()
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if specs and specs.SpecsDirty then sorted_specs = specs.SpecsCount; specs.SpecsDirty = false end
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for row = 0, 5 do
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ImGui.TableNextRow()
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ImGui.TableNextColumn(); ImGui.Text("%04d", row)
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ImGui.TableNextColumn(); ImGui.TextUnformatted("Item " .. row)
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ImGui.TableNextColumn(); ImGui.SmallButton("None##" .. row)
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ImGui.TableNextColumn(); ImGui.Text("%d", row * 3)
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end
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hovered_col = ImGui.TableGetHoveredColumn()
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ImGui.EndTable()
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end
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if ImGui.BeginTable("scroll", 3, bor(TF.ScrollY, TF.ScrollX, TF.RowBg, TF.BordersOuter, TF.BordersV, TF.Resizable, TF.SizingFixedFit), ImVec2(0, 200)) then
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ImGui.TableSetupScrollFreeze(1, 1)
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ImGui.TableSetupColumn("One", CF.None, 100)
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ImGui.TableSetupColumn("Two", CF.None, 200)
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ImGui.TableSetupColumn("Three", CF.None, 300)
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ImGui.TableHeadersRow()
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local clipper = G.ImGuiListClipper()
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clipper:Begin(1000)
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visible_rows = 0
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while clipper:Step() do
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for row = clipper.DisplayStart, clipper.DisplayEnd - 1 do
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visible_rows += 1
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ImGui.TableNextRow()
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for column = 0, 2 do
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ImGui.TableSetColumnIndex(column)
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ImGui.Text("Hello %d,%d", column, row)
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end
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end
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end
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if frame == 4 then ImGui.SetScrollY(500) end
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ImGui.EndTable()
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end
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if ImGui.BeginTable("angled", 4, bor(TF.Borders, TF.SizingFixedFit, TF.ScrollX), ImVec2(0, 150)) then
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ImGui.TableSetupColumn("Name", CF.NoHide)
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for i = 1, 3 do ImGui.TableSetupColumn("Angled " .. i, bor(CF.AngledHeader, CF.WidthFixed)) end
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ImGui.TableAngledHeadersRow()
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ImGui.TableHeadersRow()
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for row = 0, 3 do
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ImGui.TableNextRow()
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ImGui.TableNextColumn(); ImGui.Text("Track %d", row)
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for i = 1, 3 do ImGui.TableNextColumn(); ImGui.Checkbox("##c" .. row .. i, false) end
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end
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ImGui.EndTable()
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end
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-- nested + tree in table
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if ImGui.BeginTable("tree", 2, bor(TF.BordersV, TF.Resizable, TF.RowBg)) then
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ImGui.TableSetupColumn("Name", CF.NoHide)
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ImGui.TableSetupColumn("Size", CF.WidthFixed, 80)
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ImGui.TableHeadersRow()
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ImGui.TableNextRow(); ImGui.TableNextColumn()
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if ImGui.TreeNodeEx("Root", bor(G.ImGuiTreeNodeFlags.SpanAllColumns, G.ImGuiTreeNodeFlags.DefaultOpen)) then
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ImGui.TableNextColumn(); ImGui.TextDisabled("--")
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ImGui.TableNextRow(); ImGui.TableNextColumn()
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ImGui.TreeNodeEx("Leaf", bor(G.ImGuiTreeNodeFlags.Leaf, G.ImGuiTreeNodeFlags.NoTreePushOnOpen, G.ImGuiTreeNodeFlags.SpanAllColumns))
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ImGui.TableNextColumn(); ImGui.Text("123")
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ImGui.TreePop()
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end
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ImGui.EndTable()
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end
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ImGui.Columns(3, "legacy")
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for i = 0, 5 do ImGui.Text("col item %d", i); ImGui.NextColumn() end
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ImGui.Columns(1)
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ImGui.End()
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ImGui.Render()
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G.ImGui_ImplRoblox.RenderDrawData(ImGui.GetDrawData())
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if frame == 8 then
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assert(sorted_specs == 1, "sort specs " .. tostring(sorted_specs))
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assert(visible_rows > 3 and visible_rows < 30, "clipped rows " .. visible_rows)
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local ini = ImGui.SaveIniSettingsToMemory()
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assert(string.find(ini, "[Table][", 1, true), "table ini missing")
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print(ini)
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ImGui.LoadIniSettingsFromMemory(ini)
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assert(ImGui.SaveIniSettingsToMemory() == ini, "ini round trip")
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print("visible rows", visible_rows, "TABLES OK")
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end
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end)
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