Add ID overload to BeginPopup

imgui.cpp

@@ -12270,6 +12270,18 @@ bool ImGui::BeginPopup(const char* str_id, ImGuiWindowFlags flags)
     return BeginPopupEx(id, flags);
 }
 
+bool ImGui::BeginPopup(ImGuiID id, ImGuiWindowFlags flags)
+{
+    ImGuiContext& g = *GImGui;
+    if (g.OpenPopupStack.Size <= g.BeginPopupStack.Size) // Early out for performance
+    {
+        g.NextWindowData.ClearFlags(); // We behave like Begin() and need to consume those values
+        return false;
+    }
+    flags |= ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoSavedSettings;
+    return BeginPopupEx(id, flags);
+}
+
 // If 'p_open' is specified for a modal popup window, the popup will have a regular close button which will close the popup.
 // Note that popup visibility status is owned by Dear ImGui (and manipulated with e.g. OpenPopup).
 // - *p_open set back to false in BeginPopupModal() when popup is not open.

imgui.h

@@ -839,6 +839,7 @@ namespace ImGui
     //  - BeginPopup(): query popup state, if open start appending into the window. Call EndPopup() afterwards if returned true. ImGuiWindowFlags are forwarded to the window.
     //  - BeginPopupModal(): block every interaction behind the window, cannot be closed by user, add a dimming background, has a title bar.
     IMGUI_API bool          BeginPopup(const char* str_id, ImGuiWindowFlags flags = 0);                         // return true if the popup is open, and you can start outputting to it.
+    IMGUI_API bool          BeginPopup(ImGuiID id, ImGuiWindowFlags flags = 0);                                 // id overload.
     IMGUI_API bool          BeginPopupModal(const char* name, bool* p_open = NULL, ImGuiWindowFlags flags = 0); // return true if the modal is open, and you can start outputting to it.
     IMGUI_API void          EndPopup();                                                                         // only call EndPopup() if BeginPopupXXX() returns true!