Reluctantly exposed GetActiveID(), GetHoveredID() in imgui_internal because the demo code will need it.

imgui.cpp

@@ -1974,6 +1974,12 @@ void ImGui::SetActiveID(ImGuiID id, ImGuiWindow* window)
     }
 }
 
+ImGuiID ImGui::GetActiveID()
+{
+    ImGuiContext& g = *GImGui;
+    return g.ActiveId;
+}
+
 // Assume that SetFocusID() is called in the context where its NavLayer is the current window nav layer.
 void ImGui::SetFocusID(ImGuiID id, ImGuiWindow* window)
 {
@@ -2000,6 +2006,12 @@ void ImGui::SetHoveredID(ImGuiID id)
     g.HoveredIdAllowOverlap = false;
 }
 
+ImGuiID ImGui::GetHoveredID()
+{
+    ImGuiContext& g = *GImGui;
+    return g.HoveredId ? g.HoveredId : g.HoveredIdPreviousFrame;
+}
+
 void ImGui::KeepAliveID(ImGuiID id)
 {
     ImGuiContext& g = *GImGui;

imgui_internal.h

@@ -865,9 +865,11 @@ namespace ImGui
     IMGUI_API void          EndFrame();                 // Ends the ImGui frame. Automatically called by Render()! you most likely don't need to ever call that yourself directly. If you don't need to render you can call EndFrame() but you'll have wasted CPU already. If you don't need to render, don't create any windows instead!
 
     IMGUI_API void          SetActiveID(ImGuiID id, ImGuiWindow* window);
+    IMGUI_API ImGuiID       GetActiveID();
     IMGUI_API void          SetFocusID(ImGuiID id, ImGuiWindow* window);
     IMGUI_API void          ClearActiveID();
     IMGUI_API void          SetHoveredID(ImGuiID id);
+    IMGUI_API ImGuiID       GetHoveredID();
     IMGUI_API void          KeepAliveID(ImGuiID id);
 
     IMGUI_API void          ItemSize(const ImVec2& size, float text_offset_y = 0.0f);