// COPYRIGHT (C) Tom. ALL RIGHTS RESERVED.
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// THE AntdUI PROJECT IS AN WINFORM LIBRARY LICENSED UNDER THE Apache-2.0 License.
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// LICENSED UNDER THE Apache License, VERSION 2.0 (THE "License")
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// YOU MAY NOT USE THIS FILE EXCEPT IN COMPLIANCE WITH THE License.
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// YOU MAY OBTAIN A COPY OF THE LICENSE AT
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING, SOFTWARE
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// DISTRIBUTED UNDER THE LICENSE IS DISTRIBUTED ON AN "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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// SEE THE LICENSE FOR THE SPECIFIC LANGUAGE GOVERNING PERMISSIONS AND
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// LIMITATIONS UNDER THE License.
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// GITEE: https://gitee.com/antdui/AntdUI
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// GITHUB: https://github.com/AntdUI/AntdUI
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// CSDN: https://blog.csdn.net/v_132
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// QQ: 17379620
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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Design;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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namespace AntdUI
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{
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/// <summary>
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/// Switch 开关
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/// </summary>
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/// <remarks>开关选择器。</remarks>
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[Description("Switch 开关")]
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[ToolboxItem(true)]
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[DefaultProperty("Checked")]
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[DefaultEvent("CheckedChanged")]
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public class Switch : IControl
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{
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#region 属性
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Color? fore;
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/// <summary>
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/// 文字颜色
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/// </summary>
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[Description("文字颜色"), Category("外观"), DefaultValue(null)]
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[Editor(typeof(Design.ColorEditor), typeof(UITypeEditor))]
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public new Color? ForeColor
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{
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get => fore;
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set
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{
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if (fore == value) fore = value;
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fore = value;
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Invalidate();
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}
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}
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Color? fill;
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/// <summary>
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/// 颜色
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/// </summary>
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[Description("颜色"), Category("外观"), DefaultValue(null)]
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[Editor(typeof(Design.ColorEditor), typeof(UITypeEditor))]
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public Color? Fill
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{
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get => fill;
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set
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{
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if (fill == value) return;
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fill = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 悬停颜色
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/// </summary>
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[Description("悬停颜色"), Category("外观"), DefaultValue(null)]
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[Editor(typeof(Design.ColorEditor), typeof(UITypeEditor))]
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public Color? FillHover { get; set; }
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bool AnimationCheck = false;
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float AnimationCheckValue = 0;
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bool _checked = false;
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/// <summary>
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/// 选中状态
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/// </summary>
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[Description("选中状态"), Category("数据"), DefaultValue(false)]
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public bool Checked
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{
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get => _checked;
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set
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{
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if (_checked == value) return;
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_checked = value;
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CheckedChanged?.Invoke(this, new BoolEventArgs(value));
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ThreadCheck?.Dispose();
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if (IsHandleCreated && Config.Animation)
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{
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AnimationCheck = true;
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if (value)
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{
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ThreadCheck = new ITask(this, () =>
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{
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AnimationCheckValue = AnimationCheckValue.Calculate(0.1F);
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if (AnimationCheckValue > 1) { AnimationCheckValue = 1F; return false; }
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Invalidate();
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return true;
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}, 10, () =>
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{
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AnimationCheck = false;
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Invalidate();
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});
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}
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else
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{
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ThreadCheck = new ITask(this, () =>
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{
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AnimationCheckValue = AnimationCheckValue.Calculate(-0.1F);
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if (AnimationCheckValue <= 0) { AnimationCheckValue = 0F; return false; }
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Invalidate();
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return true;
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}, 10, () =>
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{
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AnimationCheck = false;
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Invalidate();
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});
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}
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}
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else AnimationCheckValue = value ? 1F : 0F;
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Invalidate();
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}
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}
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/// <summary>
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/// 点击时自动改变选中状态
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/// </summary>
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[Description("点击时自动改变选中状态"), Category("行为"), DefaultValue(false)]
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public bool AutoCheck { get; set; } = true;
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/// <summary>
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/// 波浪大小
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/// </summary>
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[Description("波浪大小"), Category("外观"), DefaultValue(4)]
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public int WaveSize { get; set; } = 4;
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[Description("间距"), Category("外观"), DefaultValue(2)]
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public int Gap { get; set; } = 2;
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string? _checkedText = null, _unCheckedText = null;
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[Description("选中时显示的文本"), Category("外观"), DefaultValue(null)]
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public string? CheckedText
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{
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get => _checkedText;
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set
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{
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if (_checkedText == value) return;
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_checkedText = value;
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if (_checked) Invalidate();
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}
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}
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[Description("未选中时显示的文本"), Category("外观"), DefaultValue(null)]
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public string? UnCheckedText
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{
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get => _unCheckedText;
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set
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{
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if (_unCheckedText == value) return;
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_unCheckedText = value;
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if (!_checked) Invalidate();
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}
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}
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#endregion
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#region 事件
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/// <summary>
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/// Checked 属性值更改时发生
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/// </summary>
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[Description("Checked 属性值更改时发生"), Category("行为")]
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public event BoolEventHandler? CheckedChanged = null;
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#endregion
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#region 渲染
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protected override void OnPaint(PaintEventArgs e)
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{
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var rect = ClientRectangle;//绘制控件尺寸
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var g = e.Graphics.High();
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var rect_read = ReadRectangle;//读取控件尺寸
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bool enabled = Enabled;
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using (var path = rect_read.RoundPath(rect_read.Height))
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{
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Color _color = fill ?? Style.Db.Primary;
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PaintClick(g, path, rect, rect_read, _color);
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using (var brush = new SolidBrush(Style.Db.TextQuaternary))
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{
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g.FillPath(brush, path);
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if (AnimationHover)
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{
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using (var brush2 = new SolidBrush(Helper.ToColorN(AnimationHoverValue, brush.Color)))
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{
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g.FillPath(brush2, path);
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}
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}
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else if (ExtraMouseHover) g.FillPath(brush, path);
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}
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float gap = (int)(Gap * Config.Dpi), gap2 = gap * 2F;
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if (AnimationCheck)
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{
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var alpha = 255 * AnimationCheckValue;
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using (var brush = new SolidBrush(Helper.ToColor(alpha, _color)))
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{
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g.FillPath(brush, path);
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}
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var dot_rect = new RectangleF(rect_read.X + gap + (rect_read.Width - rect_read.Height) * AnimationCheckValue, rect_read.Y + gap, rect_read.Height - gap2, rect_read.Height - gap2);
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using (var brush = new SolidBrush(enabled ? Style.Db.BgBase : Color.FromArgb(200, Style.Db.BgBase)))
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{
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g.FillEllipse(brush, dot_rect);
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}
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}
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else if (_checked)
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{
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var colorhover = FillHover ?? Style.Db.PrimaryHover;
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using (var brush = new SolidBrush(enabled ? _color : Color.FromArgb(200, _color)))
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{
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g.FillPath(brush, path);
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}
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if (AnimationHover)
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{
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using (var brush2 = new SolidBrush(Helper.ToColorN(AnimationHoverValue, colorhover)))
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{
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g.FillPath(brush2, path);
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}
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}
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else if (ExtraMouseHover)
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{
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using (var brush = new SolidBrush(colorhover))
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{
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g.FillPath(brush, path);
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}
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}
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var dot_rect = new RectangleF(rect_read.X + gap + rect_read.Width - rect_read.Height, rect_read.Y + gap, rect_read.Height - gap2, rect_read.Height - gap2);
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using (var brush = new SolidBrush(enabled ? Style.Db.BgBase : Color.FromArgb(200, Style.Db.BgBase)))
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{
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g.FillEllipse(brush, dot_rect);
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}
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}
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else
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{
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var dot_rect = new RectangleF(rect_read.X + gap, rect_read.Y + gap, rect_read.Height - gap2, rect_read.Height - gap2);
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using (var brush = new SolidBrush(enabled ? Style.Db.BgBase : Color.FromArgb(200, Style.Db.BgBase)))
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{
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g.FillEllipse(brush, dot_rect);
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}
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}
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// 绘制文本
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string? textToRender = Checked ? CheckedText : UnCheckedText;
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if (textToRender != null)
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{
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Color _fore = fore ?? Style.Db.PrimaryColor;
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using (var brush = new SolidBrush(_fore))
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{
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var textSize = g.MeasureString(textToRender, Font);
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var textRect = Checked
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? new RectangleF(rect_read.X + (rect_read.Width - rect_read.Height + gap2) / 2 - textSize.Width / 2, rect_read.Y + rect_read.Height / 2 - textSize.Height / 2, textSize.Width, textSize.Height)
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: new RectangleF(rect_read.X + (rect_read.Height - gap + (rect_read.Width - rect_read.Height + gap) / 2 - textSize.Width / 2), rect_read.Y + rect_read.Height / 2 - textSize.Height / 2, textSize.Width, textSize.Height);
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g.DrawStr(textToRender, Font, brush, textRect);
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}
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}
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}
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this.PaintBadge(g);
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base.OnPaint(e);
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}
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internal void PaintClick(Graphics g, GraphicsPath path, Rectangle rect, RectangleF rect_read, Color color)
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{
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if (AnimationClick)
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{
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float maxw = rect_read.Width + ((rect.Width - rect_read.Width) * AnimationClickValue), maxh = rect_read.Height + ((rect.Height - rect_read.Height) * AnimationClickValue),
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alpha = 100 * (1F - AnimationClickValue);
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using (var brush = new SolidBrush(Helper.ToColor(alpha, color)))
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{
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using (var path_click = new RectangleF((rect.Width - maxw) / 2F, (rect.Height - maxh) / 2F, maxw, maxh).RoundPath(maxh))
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{
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path_click.AddPath(path, false);
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g.FillPath(brush, path_click);
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}
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}
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}
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}
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public override Rectangle ReadRectangle
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{
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get => ClientRectangle.PaddingRect(Padding, WaveSize * Config.Dpi);
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}
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public override GraphicsPath RenderRegion
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{
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get
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{
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var rect_read = ReadRectangle;
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return rect_read.RoundPath(rect_read.Height);
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}
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}
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#endregion
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#region 鼠标
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protected override void OnClick(EventArgs e)
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{
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if (AutoCheck) Checked = !_checked;
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base.OnClick(e);
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}
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protected override void OnMouseDown(MouseEventArgs e)
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{
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Focus();
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base.OnMouseDown(e);
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}
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float AnimationHoverValue = 0;
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bool AnimationHover = false;
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bool _mouseHover = false;
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bool ExtraMouseHover
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{
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get => _mouseHover;
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set
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{
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if (_mouseHover == value) return;
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_mouseHover = value;
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var enabled = Enabled;
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SetCursor(value && enabled);
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if (enabled)
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{
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if (Config.Animation)
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{
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ThreadHover?.Dispose();
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AnimationHover = true;
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if (value)
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{
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ThreadHover = new ITask(this, () =>
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{
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AnimationHoverValue = AnimationHoverValue.Calculate(0.1F);
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if (AnimationHoverValue > 1) { AnimationHoverValue = 1F; return false; }
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Invalidate();
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return true;
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}, 10, () =>
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{
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AnimationHover = false;
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Invalidate();
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});
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}
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else
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{
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ThreadHover = new ITask(this, () =>
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{
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AnimationHoverValue = AnimationHoverValue.Calculate(-0.1F);
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if (AnimationHoverValue <= 0) { AnimationHoverValue = 0F; return false; }
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Invalidate();
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return true;
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}, 10, () =>
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{
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AnimationHover = false;
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Invalidate();
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});
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}
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}
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else AnimationHoverValue = 255;
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Invalidate();
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}
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}
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}
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#region 动画
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protected override void Dispose(bool disposing)
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{
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ThreadClick?.Dispose();
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ThreadCheck?.Dispose();
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ThreadHover?.Dispose();
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base.Dispose(disposing);
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}
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ITask? ThreadHover = null;
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ITask? ThreadCheck = null;
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ITask? ThreadClick = null;
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bool AnimationClick = false;
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float AnimationClickValue = 0;
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protected override void OnMouseUp(MouseEventArgs e)
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{
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base.OnMouseUp(e);
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if (Config.Animation && e.Button == MouseButtons.Left)
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{
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ThreadClick?.Dispose();
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AnimationClickValue = 0;
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AnimationClick = true;
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ThreadClick = new ITask(this, () =>
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{
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if (AnimationClickValue > 0.6) AnimationClickValue = AnimationClickValue.Calculate(0.04F);
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else AnimationClickValue = AnimationClickValue.Calculate(0.1F);
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if (AnimationClickValue > 1) { AnimationClickValue = 0F; return false; }
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Invalidate();
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return true;
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}, 50, () =>
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{
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AnimationClick = false;
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Invalidate();
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});
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}
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}
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#endregion
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protected override void OnMouseEnter(EventArgs e)
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{
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base.OnMouseEnter(e);
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ExtraMouseHover = true;
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}
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protected override void OnMouseLeave(EventArgs e)
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{
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base.OnMouseLeave(e);
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ExtraMouseHover = false;
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}
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protected override void OnLeave(EventArgs e)
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{
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base.OnLeave(e);
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ExtraMouseHover = false;
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}
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#endregion
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}
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}
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