Magic_Game/core/e2dcomponent.h

// Copyright (c) 2016-2018 Easy2D - Nomango
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#pragma once
#include "e2dobject.h"

namespace easy2d
{


	class Button
		: public Node
	{
	public:
		Button();

		explicit Button(
			Node * normal,					/* <20><>ͨ״̬ */
			const Function& func = nullptr	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
		);

		explicit Button(
			Node * normal,					/* <20><>ͨ״̬ */
			Node * selected,				/* <20><><EFBFBD>갴<EFBFBD><EAB0B4>״̬ */
			const Function& func = nullptr	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
		);

		explicit Button(
			Node * normal,					/* <20><>ͨ״̬ */
			Node * mouseover,				/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ */
			Node * selected,				/* <20><><EFBFBD>갴<EFBFBD><EAB0B4>״̬ */
			const Function& func = nullptr	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
		);

		explicit Button(
			Node * normal,					/* <20><>ͨ״̬ */
			Node * mouseover,				/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ */
			Node * selected,				/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬ */
			Node * disabled,				/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>״̬ */
			const Function& func = nullptr	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD> */
		);

		// <20><>ȡ<EFBFBD><C8A1>ť״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB>ǽ<EFBFBD><C7BD><EFBFBD>
		bool IsEnable() const;

		// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD>
		void SetEnabled(
			bool enabled
		);

		// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>İ<EFBFBD>ť
		virtual void SetNormal(
			Node * normal
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>밴ťʱ<C5A5><CAB1>ʾ<EFBFBD>İ<EFBFBD>ť
		virtual void SetMouseOver(
			Node * mouseover
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>갴<EFBFBD>°<EFBFBD>ťʱ<C5A5><CAB1>ʾ<EFBFBD>İ<EFBFBD>ť
		virtual void SetSelected(
			Node * selected
		);

		// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>ʾ<EFBFBD>İ<EFBFBD>ť
		virtual void SetDisabled(
			Node * disabled
		);

		// <20><><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
		void SetCallbackOnClick(
			const Function& func
		);

		// <20><><EFBFBD><EFBFBD>֧<EFBFBD><D6A7>λ<EFBFBD><CEBB>
		// Ĭ<><C4AC>Ϊ (0, 0), <20><>Χ [0, 1]
		virtual void SetPivot(
			float pivot_x,
			float pivot_y
		) override;

	protected:
		E2D_DISABLE_COPY(Button);

		// <20><>ť״̬ö<CCAC><C3B6>
		enum class Status { Normal, Mouseover, Selected };

		// <20><><EFBFBD>ð<EFBFBD>ť״̬
		virtual void SetStatus(
			Status status
		);

		// ˢ<>°<EFBFBD>ť<EFBFBD><C5A5>ʾ
		virtual void UpdateVisible();

		// <20>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
		virtual bool Dispatch(
			const MouseEvent& e,
			bool handled
		) override;

		// <20><><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>
		virtual void Visit() override;

	protected:
		Node * normal_;
		Node *		mouseover_;
		Node *		selected_;
		Node *		disabled_;
		bool		enabled_;
		bool		is_selected_;
		Status		status_;
		Function	callback_;
	};


	// <20>˵<EFBFBD>
	class Menu
		: public Node
	{
	public:
		Menu();

		explicit Menu(
			const std::vector<Button*>& buttons	/* <20><>ť<EFBFBD><C5A5><EFBFBD><EFBFBD> */
		);

		// <20><>ȡ<EFBFBD>˵<EFBFBD><CBB5>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
		bool IsEnable() const;

		// <20><>ȡ<EFBFBD>˵<EFBFBD><CBB5>еİ<D0B5>ť<EFBFBD><C5A5><EFBFBD><EFBFBD>
		size_t GetButtonCount() const;

		// <20><><EFBFBD>ò˵<C3B2><CBB5><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD>
		void SetEnabled(
			bool enabled
		);

		// <20><><EFBFBD>Ӱ<EFBFBD>ť
		void AddButton(
			Button * button
		);

		// <20>Ƴ<EFBFBD><C6B3><EFBFBD>ť
		bool RemoveButton(
			Button * button
		);

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD>а<EFBFBD>ť
		const std::vector<Button*>& GetAllButtons() const;

	protected:
		E2D_DISABLE_COPY(Menu);

	protected:
		bool enabled_;
		std::vector<Button*> buttons_;
	};


}