bwEventDispatcher.h

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#pragma once
 
#include <optional>
 
#include "bwEvent.h"
#include "bwPoint.h"
 
namespace bWidgets {
 
struct bwContext;
namespace bwScreenGraph {
class ScreenGraph;
class Node;
}  // namespace bwScreenGraph
 
class bwEventDispatcher {
 public:
  bwEventDispatcher(bwScreenGraph::ScreenGraph& _screen_graph);
 
  void dispatchMouseMovement(bwEvent);
  void dispatchMouseButtonPress(bwMouseButtonEvent&);
  void dispatchMouseButtonRelease(bwMouseButtonEvent&);
  void dispatchMouseWheelScroll(bwMouseWheelEvent&);
 
 private:
  auto isDragging() -> bool;
  void changeContextHovered(bwScreenGraph::Node*, bwEvent&);
 
  bwScreenGraph::ScreenGraph& screen_graph;
  bwContext& context;
 
  std::optional<bwMouseButtonDragEvent> drag_event;
};
 
}  // namespace bWidgets