docking: runs end to end (dock/undock by drag, builder, ini round trip), test scripts

2026-10-08 05:43:00 -05:00
parent fee9a84902
commit 2381a232ee
17 changed files with 492 additions and 107 deletions
@@ -0,0 +1,80 @@
+local ReplicatedStorage = game:GetService("ReplicatedStorage")
+local RunService = game:GetService("RunService")
+local G = require(ReplicatedStorage:WaitForChild("ImGui"))
+local ImGui, ImVec2 = G.ImGui, G.ImVec2
+ImGui.CreateContext()
+local io = ImGui.GetIO()
+io.ConfigFlags = bit32.bor(io.ConfigFlags, G.ImGuiConfigFlags.DockingEnable)
+G.ImGui_ImplRoblox.Init()
+local frame = 0
+local seed = 7
+local function rnd(n) seed = (seed * 1103515245 + 12345) % 2147483648; return seed % n end
+local names = {"A", "B", "C", "D", "E"}
+local drag -- {fx,fy,tx,ty,start}
+local last_down = false
+local docks, undocks = 0, 0
+local function check_tree()
+    local g = ImGui.GetCurrentContext()
+    for id, node in pairs(g.DockContext.Nodes) do
+        assert(node.ID == id)
+        if node.ParentNode then
+            assert(node.ParentNode.ChildNodes[0] == node or node.ParentNode.ChildNodes[1] == node, "parent link")
+        end
+        for _, w in node.Windows:iter() do assert(w.DockNode == node or w.DockNode == nil, "window->node link") end
+        if node:IsSplitNode() then assert(node.ChildNodes[1] ~= nil and node.Windows.Size == 0, "split node has two children and no windows") end
+    end
+    for _, n in ipairs(names) do
+        local w = ImGui.FindWindowByName(n)
+        if w and w.DockNode then assert(w.DockNode.Windows:find_index(w) ~= nil, "node contains window") end
+    end
+end
+RunService.Stepped:Connect(function()
+    frame += 1
+    G.ImGui_ImplRoblox.NewFrame()
+    -- scripted drag
+    local x, y, down = (drag and drag.x or 5), (drag and drag.y or 5), false
+    if not drag and frame % 45 == 0 then
+        local w = ImGui.FindWindowByName(names[rnd(#names) + 1])
+        if w and w.Active then
+            local sx, sy
+            if w.DockNode and w.DockNode.TabBar and w.DockNode.TabBar.Tabs.Size > 0 and rnd(2) == 0 then
+                local tb = w.DockNode.TabBar; local t = tb.Tabs.Data[rnd(tb.Tabs.Size) + 1]
+                sx, sy = tb.BarRect.Min.x + t.Offset + 4, tb.BarRect.Min.y + 8
+            else sx, sy = w.Pos.x + 40, w.Pos.y + 8 end
+            local mode = rnd(3)
+            local tx, ty
+            if mode == 0 then local o = ImGui.FindWindowByName(names[rnd(#names) + 1]); tx, ty = o.Pos.x + o.Size.x * (0.1 + rnd(80) / 100), o.Pos.y + o.Size.y * (0.1 + rnd(80) / 100)
+            else tx, ty = 50 + rnd(1800), 50 + rnd(980) end
+            drag = { sx = sx, sy = sy, tx = tx, ty = ty, start = frame, x = sx, y = sy }
+            x, y = sx, sy
+        end
+    end
+    if drag then
+        local f = frame - drag.start
+        local t = math.min(f / 14, 1)
+        drag.x = drag.sx + (drag.tx - drag.sx) * t; drag.y = drag.sy + (drag.ty - drag.sy) * t
+        x, y = drag.x, drag.y
+        down = f >= 1 and f <= 24
+        if f > 26 then drag = nil end
+    end
+    io:AddMousePosEvent(x, y)
+    if down ~= last_down then io:AddMouseButtonEvent(0, down); last_down = down end
+    ImGui.NewFrame()
+    ImGui.DockSpaceOverViewport(0, nil, G.ImGuiDockNodeFlags.PassthruCentralNode)
+    for i, n in ipairs(names) do
+        ImGui.SetNextWindowPos(ImVec2(60 + i * 90, 60 + i * 50), G.ImGuiCond.FirstUseEver)
+        ImGui.SetNextWindowSize(ImVec2(260, 180), G.ImGuiCond.FirstUseEver)
+        if ImGui.Begin(n) then ImGui.Text("window " .. n) end
+        ImGui.End()
+    end
+    ImGui.Render()
+    G.ImGui_ImplRoblox.RenderDrawData(ImGui.GetDrawData())
+    if frame % 50 == 0 then check_tree() end
+    if frame % 1000 == 0 then
+        local nodes, docked = 0, 0
+        for _ in pairs(ImGui.GetCurrentContext().DockContext.Nodes) do nodes += 1 end
+        for _, n in ipairs(names) do local w = ImGui.FindWindowByName(n); if w and w.DockNode then docked += 1 end end
+        print("frame", frame, "nodes", nodes, "docked windows", docked)
+        local ini = ImGui.SaveIniSettingsToMemory()
+    end
+end)