94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
// Copyright (c) 2016-2018 Easy2D - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include "../2d/Sprite.h"
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#include <functional>
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namespace easy2d
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{
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class E2D_API Button
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: public Sprite
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{
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using Callback = std::function<void()>;
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public:
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Button();
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explicit Button(
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Callback const& click /* 按钮点击回调函数 */
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);
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explicit Button(
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Callback const& click, /* 按钮点击回调函数 */
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Callback const& pressed, /* 按钮按下回调函数 */
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Callback const& mouse_over, /* 按钮移入回调函数 */
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Callback const& mouse_out /* 按钮移出回调函数 */
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);
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virtual ~Button();
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// 获取按钮状态是启用还是禁用
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bool IsEnable() const;
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// 设置按钮启用或禁用
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void SetEnabled(
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bool enabled
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);
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// 设置按钮点击后的回调函数
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void SetClickCallback(
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const Callback& func
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);
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// 设置按钮被按下时的回调函数
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void SetPressedCallback(
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const Callback& func
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);
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// 设置鼠标移入按钮时的回调函数
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void SetMouseOverCallback(
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const Callback& func
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);
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// 设置鼠标移出按钮时的回调函数
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void SetMouseOutCallback(
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const Callback& func
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);
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private:
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enum class Status { Normal, Hover, Pressed };
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void SetStatus(
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Status status
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);
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void UpdateStatus(Event const& evt);
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private:
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bool enabled_;
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bool is_selected_;
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Status status_;
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Callback click_callback_;
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Callback pressed_callback_;
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Callback mouse_over_callback_;
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Callback mouse_out_callback_;
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};
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} |