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Remove backend probing from XCUI panel canvas host

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ssdfasd
2026-04-05 17:03:02 +08:00
parent 94482ab98c
commit 3968083da7
11 changed files with 15 additions and 101 deletions
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docs/plan/XCUI_Phase_Status_2026-04-05.md
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@@ -46,6 +46,7 @@ Old `editor` replacement is explicitly out of scope for this phase.
- `XCUIShellChromeState` no longer carries the legacy host demo-window toggle or command id on the generic shell-state surface
- `Application.h` no longer exposes that legacy demo command through generic `ShellCommandIds`, `ShellCommandBindings`, or `RegisterShellViewCommands(...)`
- the legacy demo window toggle now lives as a compatibility-only command inside `ApplicationLegacyImGui.cpp`
- `Application.h` now also uses backend-neutral compatibility-host naming for the non-native window-host path, so the generic application header no longer names `LegacyImGui` in its mode enum or private host-frame method declarations
- generic `Application` host-mode/member naming is now also shifting from `LegacyImGui` toward `CompatibilityHost`, so the default shell surface does not have to encode ImGui into every host-facing method name
- Old `editor` replacement remains deferred; all active execution still stays inside XCUI shared code and `new_editor`.
@@ -109,7 +110,7 @@ Current gap:
- `new_editor` now also has an isolated `XCUIEditorCommandRouter` model with shortcut matching, enable predicates, and direct command invocation semantics covered by dedicated tests, ready for shell-frame integration.
- `XCUI Demo` now exports pending per-frame command ids through `DrainPendingCommandIds()`, so editor-side hosts have a clean seam for observing demo/runtime command traffic without parsing draw data.
- `XCUI Demo` and `LayoutLab` panel canvases are now being pulled behind a dedicated `IXCUIPanelCanvasHost` seam, so canvas surface presentation, hover/focus fallback state, and overlay draw hooks no longer have to stay hard-coded inside each ImGui panel implementation.
- The panel-canvas seam now also exposes explicit backend/capability metadata and a minimal `NullXCUIPanelCanvasHost`, so non-ImGui host paths have a concrete placeholder backend instead of relying on an implicit ImGui default.
- The panel-canvas seam now keeps the generic host contract on observable canvas behavior only; backend/capability identity probing has been removed from `IXCUIPanelCanvasHost`, and the minimal `NullXCUIPanelCanvasHost` remains the concrete placeholder host for non-ImGui paths.
- `XCUI Demo` and `LayoutLab` panel input now also flows through an explicit `IXCUIInputSnapshotSource` seam, so panel/runtime code no longer reads `ImGuiIO` / `ImGui::IsKeyPressed` / `ImGui::IsMouseClicked` directly when the shell wants to use an ImGui adapter.
- `new_editor` now also has an explicit `ImGuiXCUIInputSnapshotSource` adapter, keeping ImGui-specific input capture in the host adapter layer instead of inside panel/runtime update code.
- Panel diagnostics were expanded to clearly separate preview/runtime/input state and native vs legacy paths.
@@ -265,7 +266,7 @@ Current gap:
- `new_editor` now also has a pure `XCUIShellChromeState` model with dedicated tests, covering shell panel visibility, hosted-preview mode, and shell view toggles without depending on ImGui or `Application`.
- `XCUIShellChromeState` now also exposes effective hosted-preview state helpers and shell view-toggle command-id helpers, so shell routing code no longer has to manually combine enablement and requested preview mode.
- `XCUIShellChromeState` hosted-preview modes were renamed away from `LegacyImGui`, so XCUI shell state no longer treats ImGui as the generic fallback concept.
- The panel-canvas seam now has dedicated null/imgui backend coverage, including explicit backend/capability reporting and a non-ImGui placeholder host path for future native shell adoption.
- The panel-canvas seam now has dedicated null/compat/native coverage around stable debug names, passive-session safety, externally driven native snapshots, and compat-host factory creation without relying on explicit backend/capability reporting.
- The native host follow-up is now present in `new_editor`:
- `NativeWindowUICompositor` provides a swapchain-native XCUI packet present path beside the legacy ImGui compositor
- `Application` now defaults to that native host path and directly composes `XCUI Demo` plus `Layout Lab` into one native shell frame