aseprite/src/app/ui/input_chain_element.h

42 lines
1.0 KiB
C++

// Aseprite
// Copyright (C) 2001-2018 David Capello
//
// This program is distributed under the terms of
// the End-User License Agreement for Aseprite.
#ifndef APP_INPUT_CHAIN_ELEMENT_H_INCLUDED
#define APP_INPUT_CHAIN_ELEMENT_H_INCLUDED
#pragma once
namespace ui {
class Message;
}
namespace app {
class Context;
class InputChainElement {
public:
virtual ~InputChainElement() { }
// Called when a new element has priorty in the chain.
virtual void onNewInputPriority(InputChainElement* element,
const ui::Message* msg) = 0;
virtual bool onCanCut(Context* ctx) = 0;
virtual bool onCanCopy(Context* ctx) = 0;
virtual bool onCanPaste(Context* ctx) = 0;
virtual bool onCanClear(Context* ctx) = 0;
virtual bool onCut(Context* ctx) = 0;
virtual bool onCopy(Context* ctx) = 0;
virtual bool onPaste(Context* ctx) = 0;
virtual bool onClear(Context* ctx) = 0;
virtual void onCancel(Context* ctx) = 0;
};
} // namespace app
#endif