making config editable

engine/include/sophia/ui/panel.hpp

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <imgui.h>
+
 #include <glm/glm.hpp>
 #include <optional>
 #include <sophia/frame_info.hpp>
@@ -11,9 +13,11 @@ namespace sophia {
 class Panel {
  public:
   struct Config {
-    std::string name;
+    const std::string name;
+
+    ImGuiWindowFlags windowFlags = ImGuiWindowFlags_None;
+    ImGuiDockNodeFlags dockNodeFlags = ImGuiDockNodeFlags_None;
 
-    // Locked panels can't be moved, resized, docked, collapsed or closed.
     bool locked = false;
     bool closable = true;
 
@@ -21,20 +25,27 @@ class Panel {
     // every frame when locked.
     glm::vec2 size{0.0f, 0.0f};
     std::optional<glm::vec2> position;
+
+    ImGuiWindowFlags getWindowFlags() const;
+    ImGuiDockNodeFlags getDockNodeFlags() const;
+    bool hasCloseButton() const;
+    ImGuiCond getPlacementCond() const;
   };
 
   Panel(const Panel&) = delete;
   Panel& operator=(const Panel&) = delete;
 
   Panel(Panel&&) noexcept = default;
-  Panel& operator=(Panel&&) noexcept = default;
+  Panel& operator=(Panel&&) = delete;
 
   explicit Panel(Config config) : config{std::move(config)} {}
   virtual ~Panel() = default;
 
-  // Owns the ImGui window: Begin, onUpdate, End.
   void draw(const FrameInfo& frameInfo);
 
+  Config& getConfig() { return config; }
+  const Config& getConfig() const { return config; }
+
   const std::string& getName() const { return config.name; }
   bool isLocked() const { return config.locked; }
 
@@ -43,7 +54,6 @@ class Panel {
   void toggleVisible() { this->visible = !this->visible; }
 
  protected:
-  // Draw the panel's contents; the window is already open.
   virtual void onUpdate(const FrameInfo& frameInfo) = 0;
 
   bool visible = true;