IGestureHandler.h

// Copyright @ MyScript. All rights reserved.
 
#pragma once
 
#include <iink/Engine.h>
#include <iink/ToolController.h>
 
#include <memory>
 
namespace myscript {
namespace iink {
 
class Editor;
class ContentSelection;
 
enum class GestureAction
{
  APPLY_GESTURE,
  IGNORE,
  ADD_STROKE,
};
 
enum class ShapeOnHoldAction
{
  DISPLAYED,
  APPLIED,
  CANCELED,
};
 
class IGestureHandler
{
public:
  virtual ~IGestureHandler() = default;
 
  virtual GestureAction onTap(std::shared_ptr<Editor> editor, PointerTool tool, const String& gestureStrokeId, float x, float y) = 0;
 
  virtual GestureAction onDoubleTap(std::shared_ptr<Editor> editor, PointerTool tool, const std::vector<String>& gestureStrokeIds, float x, float y) = 0;
 
  virtual GestureAction onLongPress(std::shared_ptr<Editor> editor, PointerTool tool, const String& gestureStrokeId, float x, float y) = 0;
 
  virtual GestureAction onUnderline(std::shared_ptr<Editor> editor, PointerTool tool, const String& gestureStrokeId, std::shared_ptr<ContentSelection> selection) = 0;
 
  virtual GestureAction onSurround(std::shared_ptr<Editor> editor, PointerTool tool, const String& gestureStrokeId, std::shared_ptr<ContentSelection> selection) = 0;
 
  virtual GestureAction onJoin(std::shared_ptr<Editor> editor, PointerTool tool, const String& gestureStrokeId, std::shared_ptr<ContentSelection> before, std::shared_ptr<ContentSelection> after) = 0;
 
  virtual GestureAction onInsert(std::shared_ptr<Editor> editor, PointerTool tool, const String& gestureStrokeId, std::shared_ptr<ContentSelection> before, std::shared_ptr<ContentSelection> after) = 0;
 
  virtual GestureAction onStrikethrough(std::shared_ptr<Editor> editor, PointerTool tool, const String& gestureStrokeId, std::shared_ptr<ContentSelection> selection) = 0;
 
  virtual GestureAction onScratch(std::shared_ptr<Editor> editor, PointerTool tool, const String& gestureStrokeId, std::shared_ptr<ContentSelection> selection) = 0;
 
  virtual void onShapeOnHold(std::shared_ptr<Editor> editor, PointerTool tool, const String& gestureStrokeId, ShapeOnHoldAction action, const String& shapeJiix) {}
};
 
}
}