Wire XCUI layout lab panel keyboard navigation

new_editor/src/panels/XCUILayoutLabPanel.cpp

@@ -46,6 +46,33 @@ const char* GetPreviewStateLabel(
     return previewStats.presented ? "live" : "idle";
 }
 
+bool ShouldCaptureKeyboardNavigation(
+    const ::XCEngine::Editor::XCUIBackend::XCUIPanelCanvasSession& canvasSession,
+    const ::XCEngine::Editor::XCUIBackend::XCUILayoutLabFrameResult& previousFrame) {
+    if (!canvasSession.validCanvas) {
+        return false;
+    }
+
+    return canvasSession.hovered ||
+        (canvasSession.windowFocused &&
+            !previousFrame.stats.selectedElementId.empty());
+}
+
+void PopulateKeyboardNavigationInput(
+    ::XCEngine::Editor::XCUIBackend::XCUILayoutLabInputState& input,
+    bool captureKeyboardNavigation) {
+    if (!captureKeyboardNavigation) {
+        return;
+    }
+
+    input.navigatePrevious = ImGui::IsKeyPressed(ImGuiKey_UpArrow);
+    input.navigateNext = ImGui::IsKeyPressed(ImGuiKey_DownArrow);
+    input.navigateHome = ImGui::IsKeyPressed(ImGuiKey_Home);
+    input.navigateEnd = ImGui::IsKeyPressed(ImGuiKey_End);
+    input.navigateCollapse = ImGui::IsKeyPressed(ImGuiKey_LeftArrow);
+    input.navigateExpand = ImGui::IsKeyPressed(ImGuiKey_RightArrow);
+}
+
 } // namespace
 
 XCUILayoutLabPanel::XCUILayoutLabPanel(::XCEngine::Editor::XCUIBackend::XCUIWin32InputSource* inputSource)
@@ -79,6 +106,10 @@ const ::XCEngine::Editor::XCUIBackend::XCUIHostedPreviewStats& XCUILayoutLabPane
     return m_lastPreviewStats;
 }
 
+bool XCUILayoutLabPanel::TryGetElementRect(const std::string& elementId, ::XCEngine::UI::UIRect& outRect) const {
+    return m_runtime.TryGetElementRect(elementId, outRect);
+}
+
 void XCUILayoutLabPanel::SetHostedPreviewPresenter(
     std::unique_ptr<::XCEngine::Editor::XCUIBackend::IXCUIHostedPreviewPresenter> previewPresenter) {
     m_previewPresenter = std::move(previewPresenter);
@@ -168,6 +199,9 @@ void XCUILayoutLabPanel::Render() {
         input.pointerInside = validCanvas && canvasSession.hovered;
     }
     input.pointerPressed = input.pointerInside && ImGui::IsMouseClicked(ImGuiMouseButton_Left);
+    PopulateKeyboardNavigationInput(
+        input,
+        ShouldCaptureKeyboardNavigation(canvasSession, m_runtime.GetFrameResult()));
 
     const ::XCEngine::Editor::XCUIBackend::XCUILayoutLabFrameResult& frame = m_runtime.Update(input);
 

new_editor/src/panels/XCUILayoutLabPanel.h

@@ -8,6 +8,7 @@
 #include "XCUIBackend/XCUILayoutLabRuntime.h"
 
 #include <memory>
+#include <string>
 
 namespace XCEngine {
 namespace NewEditor {
@@ -31,6 +32,7 @@ public:
     bool IsUsingNativeHostedPreview() const;
     const ::XCEngine::Editor::XCUIBackend::XCUILayoutLabFrameResult& GetFrameResult() const;
     const ::XCEngine::Editor::XCUIBackend::XCUIHostedPreviewStats& GetLastPreviewStats() const;
+    bool TryGetElementRect(const std::string& elementId, ::XCEngine::UI::UIRect& outRect) const;
 
 private:
     bool m_lastReloadSucceeded = false;