canvas_popup.h

Go to the documentation of this file.

#ifndef YAZE_APP_GUI_CANVAS_CANVAS_POPUP_H
#define YAZE_APP_GUI_CANVAS_CANVAS_POPUP_H
 
#include <functional>
#include <string>
#include <vector>
 
#include "imgui/imgui.h"
 
namespace yaze {
namespace gui {
 
struct PopupState {
  // Unique popup identifier (used with ImGui::OpenPopup/BeginPopup)
  std::string popup_id;
  
  // Whether the popup is currently open
  bool is_open = false;
  
  // Callback that renders the popup content
  // Should call ImGui::BeginPopup(popup_id) / ImGui::EndPopup()
  std::function<void()> render_callback;
  
  // Whether the popup should persist across frames
  bool persist = true;
  
  // Default constructor
  PopupState() = default;
  
  // Constructor with id and callback
  PopupState(const std::string& id, std::function<void()> callback)
      : popup_id(id), is_open(false), render_callback(std::move(callback)) {}
};
 
class PopupRegistry {
 public:
  PopupRegistry() = default;
  
  void Open(const std::string& popup_id, std::function<void()> render_callback);
  
  void Close(const std::string& popup_id);
  
  bool IsOpen(const std::string& popup_id) const;
  
  void RenderAll();
  
  size_t GetActiveCount() const;
  
  void Clear();
  
  std::vector<PopupState>& GetPopups() { return popups_; }
  const std::vector<PopupState>& GetPopups() const { return popups_; }
 
 private:
  // Internal storage for popup states
  std::vector<PopupState> popups_;
  
  // Helper to find a popup by ID
  std::vector<PopupState>::iterator FindPopup(const std::string& popup_id);
  std::vector<PopupState>::const_iterator FindPopup(const std::string& popup_id) const;
};
 
}  // namespace gui
}  // namespace yaze
 
#endif  // YAZE_APP_GUI_CANVAS_CANVAS_POPUP_H