// 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.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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/// Alert 警告提示
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/// </summary>
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/// <remarks>警告提示，展现需要关注的信息。</remarks>
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[Description("Alert 警告提示")]
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[ToolboxItem(true)]
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[DefaultProperty("Text")]
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[Designer(typeof(IControlDesigner))]
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public class Alert : IControl
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{
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#region 属性
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int radius = 6;
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/// <summary>
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/// 圆角
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/// </summary>
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[Description("圆角"), Category("外观"), DefaultValue(6)]
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public int Radius
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{
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get => radius;
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set
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{
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if (radius == value) return;
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radius = value;
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Invalidate();
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}
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}
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float borWidth = 0F;
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/// <summary>
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/// 边框宽度
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/// </summary>
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[Description("边框宽度"), Category("边框"), DefaultValue(0F)]
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public float BorderWidth
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{
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get => borWidth;
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set
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{
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if (borWidth == value) return;
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borWidth = value;
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Invalidate();
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}
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}
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string? text = null;
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/// <summary>
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/// 文本
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/// </summary>
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[Description("文本"), Category("外观"), DefaultValue(null)]
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public override string? Text
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{
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get => text;
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set
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{
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if (text == value) return;
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if (loop && string.IsNullOrEmpty(value))
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{
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task?.Dispose();
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task = null;
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}
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font_size = null;
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text = value;
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Invalidate();
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OnTextChanged(EventArgs.Empty);
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}
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}
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string? textTitle = null;
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/// <summary>
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/// 标题
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/// </summary>
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[Description("标题"), Category("外观"), DefaultValue(null)]
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public string? TextTitle
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{
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get => textTitle;
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set
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{
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if (textTitle == value) return;
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textTitle = value;
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Invalidate();
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}
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}
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TType icon = TType.None;
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/// <summary>
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/// 样式
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/// </summary>
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[Description("样式"), Category("外观"), DefaultValue(TType.None)]
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public TType Icon
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{
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get => icon;
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set
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{
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if (icon == value) return;
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icon = value;
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Invalidate();
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}
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}
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bool loop = false;
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/// <summary>
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/// 文本轮播
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/// </summary>
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[Description("文本轮播"), Category("外观"), DefaultValue(false)]
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public bool Loop
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{
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get => loop;
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set
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{
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if (loop == value) return;
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loop = value;
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if (IsHandleCreated) StartTask();
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}
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}
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protected override void OnHandleCreated(EventArgs e)
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{
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base.OnHandleCreated(e);
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if (loop) StartTask();
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}
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protected override void OnFontChanged(EventArgs e)
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{
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font_size = null;
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base.OnFontChanged(e);
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}
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/// <summary>
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/// 文本轮播速率
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/// </summary>
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[Description("文本轮播速率"), Category("外观"), DefaultValue(10)]
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public int LoopSpeed { get; set; } = 10;
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#region 动画
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ITask? task = null;
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private void StartTask()
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{
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task?.Dispose();
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if (loop)
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{
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task = new ITask(this, () =>
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{
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if (font_size.HasValue)
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{
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val += 1F;
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if (val > font_size.Value.Width)
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{
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if (Width > font_size.Value.Width) val = 0F;
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else val = -(Width - Padding.Horizontal);
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}
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Invalidate();
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}
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return loop;
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}, LoopSpeed);
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}
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else Invalidate();
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}
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#endregion
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#region 参数
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float val = 0;
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SizeF? font_size = null;
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#endregion
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/// <summary>
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/// 显示区域（容器）
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/// </summary>
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public override Rectangle DisplayRectangle
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{
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get => ClientRectangle.DeflateRect(Padding);
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}
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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 = DisplayRectangle;
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var g = e.Graphics.High();
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if (icon == TType.None)
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{
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if (loop)
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{
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if (font_size == null && !string.IsNullOrEmpty(text)) font_size = g.MeasureString(text, Font);
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if (font_size.HasValue)
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{
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g.SetClip(rect);
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PaintText(g, rect, font_size.Value, ForeColor);
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g.ResetClip();
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}
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}
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else
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{
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if (string.IsNullOrEmpty(textTitle))
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{
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var size = g.MeasureString(text, Font);
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font_size = size;
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float icon_size = size.Height * 0.86F, gap = icon_size * 0.4F;
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using (var brush = new SolidBrush(ForeColor))
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{
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var rect_txt = new RectangleF(rect.X + gap, rect.Y, rect.Width - gap * 2, rect.Height);
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g.DrawStr(text, Font, brush, rect_txt, stringLeft);
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}
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}
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else
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{
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using (var font_title = new Font(Font.FontFamily, Font.Size * 1.14F, Font.Style))
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{
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var size_title = g.MeasureString(textTitle, font_title);
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float icon_size = size_title.Height * 1.2F, gap = icon_size * 0.5F;
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using (var brush = new SolidBrush(ForeColor))
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{
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var rect_txt = new RectangleF(rect.X + gap, rect.Y + gap, rect.Width - (gap * 2), size_title.Height);
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g.DrawStr(textTitle, font_title, brush, rect_txt, stringLeft);
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var desc_y = rect_txt.Bottom + icon_size * 0.33F;
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var rect_txt_desc = new RectangleF(rect_txt.X, desc_y, rect_txt.Width, rect.Height - (desc_y + gap));
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g.DrawStr(text, Font, brush, rect_txt_desc, stringLTEllipsis);
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}
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}
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}
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}
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}
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else
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{
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float _radius = radius * Config.Dpi;
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Color back, bor_color, color = Style.Db.Text;
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switch (icon)
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{
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case TType.Success:
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back = Style.Db.SuccessBg;
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bor_color = Style.Db.SuccessBorder;
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break;
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case TType.Info:
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back = Style.Db.InfoBg;
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bor_color = Style.Db.InfoBorder;
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break;
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case TType.Warn:
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back = Style.Db.WarningBg;
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bor_color = Style.Db.WarningBorder;
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break;
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case TType.Error:
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back = Style.Db.ErrorBg;
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bor_color = Style.Db.ErrorBorder;
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break;
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default:
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back = Style.Db.SuccessBg;
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bor_color = Style.Db.SuccessBorder;
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break;
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}
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using (var path = rect.RoundPath(_radius))
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{
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using (var brush = new SolidBrush(back))
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{
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g.FillPath(brush, path);
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}
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if (loop)
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{
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if (font_size == null && !string.IsNullOrEmpty(text)) font_size = g.MeasureString(text, Font);
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if (font_size.HasValue)
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{
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int icon_size = (int)(font_size.Value.Height * .86F), gap = (int)(icon_size * .4F);
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var rect_icon = new Rectangle(gap, rect.Y + (rect.Height - icon_size) / 2, icon_size, icon_size);
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PaintText(g, rect, rect_icon, font_size.Value, color, back, _radius);
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g.ResetClip();
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g.PaintIcons(icon, rect_icon, Style.Db.BgBase);
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}
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}
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else
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{
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var size = g.MeasureString(text, Font);
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font_size = size;
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if (string.IsNullOrEmpty(textTitle))
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{
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int icon_size = (int)(font_size.Value.Height * .86F), gap = (int)(icon_size * .4F);
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var rect_icon = new Rectangle(rect.X + gap, rect.Y + (rect.Height - icon_size) / 2, icon_size, icon_size);
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g.PaintIcons(icon, rect_icon, Style.Db.BgBase);
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using (var brush = new SolidBrush(color))
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{
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var rect_txt = new RectangleF(rect_icon.X + rect_icon.Width + gap, rect.Y, rect.Width - (rect_icon.Width + gap * 2), rect.Height);
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g.DrawStr(text, Font, brush, rect_txt, stringLeft);
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}
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}
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else
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{
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using (var font_title = new Font(Font.FontFamily, Font.Size * 1.14F, Font.Style))
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{
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var size_title = g.MeasureString(textTitle, font_title);
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int icon_size = (int)(font_size.Value.Height * 1.2F), gap = (int)(icon_size * .5F);
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var rect_icon = new Rectangle(rect.X + gap, rect.Y + gap, icon_size, icon_size);
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g.PaintIcons(icon, rect_icon, Style.Db.BgBase);
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using (var brush = new SolidBrush(color))
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{
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var rect_txt = new RectangleF(rect_icon.X + rect_icon.Width + icon_size / 2F, rect_icon.Y, rect.Width - (rect_icon.Width + gap * 2), rect_icon.Height);
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g.DrawStr(textTitle, font_title, brush, rect_txt, stringLeft);
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var desc_y = rect_txt.Bottom + icon_size * 0.2F;
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var rect_txt_desc = new RectangleF(rect_txt.X, desc_y, rect_txt.Width, rect.Height - (desc_y + gap));
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g.DrawStr(text, Font, brush, rect_txt_desc, stringLTEllipsis);
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}
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}
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}
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}
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if (borWidth > 0)
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{
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using (var brush_bor = new Pen(bor_color, borWidth * Config.Dpi))
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{
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g.DrawPath(brush_bor, path);
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}
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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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#region 渲染帮助
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readonly StringFormat stringLTEllipsis = Helper.SF_Ellipsis(tb: StringAlignment.Near, lr: StringAlignment.Near);
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readonly StringFormat stringCenter = Helper.SF_NoWrap();
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readonly StringFormat stringLeft = Helper.SF_ALL(lr: StringAlignment.Near);
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/// <summary>
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/// 渲染文字
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/// </summary>
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/// <param name="g">GDI</param>
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/// <param name="rect">区域</param>
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/// <param name="size">文字大小</param>
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/// <param name="fore">文字颜色</param>
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void PaintText(Graphics g, RectangleF rect, SizeF size, Color fore)
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{
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using (var brush = new SolidBrush(fore))
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{
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if (string.IsNullOrEmpty(textTitle))
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{
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var rect_txt = new RectangleF(rect.X - val, rect.Y, size.Width, rect.Height);
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g.DrawStr(text, Font, brush, rect_txt, stringCenter);
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if (rect.Width > size.Width)
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{
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var maxw = rect.Width + rect_txt.Width / 2;
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var rect_txt2 = new RectangleF(rect_txt.Right, rect_txt.Y, rect_txt.Width, rect_txt.Height);
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while (rect_txt2.X < maxw)
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{
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g.DrawStr(text, Font, brush, rect_txt2, stringCenter);
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rect_txt2.X = rect_txt2.Right;
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}
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}
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}
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else
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{
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var size_title = g.MeasureString(textTitle, Font);
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var rect_txt = new RectangleF(rect.X + size_title.Width - val, rect.Y, size.Width, rect.Height);
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g.DrawStr(text, Font, brush, rect_txt, stringCenter);
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if (rect.Width > size.Width)
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{
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var maxw = rect.Width + rect_txt.Width / 2;
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var rect_txt2 = new RectangleF(rect_txt.Right, rect_txt.Y, rect_txt.Width, rect_txt.Height);
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while (rect_txt2.X < maxw)
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{
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g.DrawStr(text, Font, brush, rect_txt2, stringCenter);
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rect_txt2.X = rect_txt2.Right;
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}
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}
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var rect_icon_l = new RectangleF(rect.X, rect.Y, (size.Height + size_title.Width) * 2, rect.Height);
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using (var brush2 = new LinearGradientBrush(rect_icon_l, BackColor, Color.Transparent, 0F))
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{
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g.FillRectangle(brush2, rect_icon_l);
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g.FillRectangle(brush2, rect_icon_l);
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}
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g.DrawStr(TextTitle, Font, brush, new RectangleF(rect.X, rect.Y, size_title.Width, rect.Height), stringCenter);
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}
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}
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}
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/// <summary>
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/// 渲染文字（渐变遮罩）
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/// </summary>
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/// <param name="g">GDI</param>
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/// <param name="rect">区域</param>
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/// <param name="size">文字大小</param>
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/// <param name="fore">文字颜色</param>
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/// <param name="back">背景颜色</param>
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void PaintText(Graphics g, RectangleF rect, RectangleF rect_icon, SizeF size, Color fore, Color back, float radius)
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{
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using (var brush_fore = new SolidBrush(fore))
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{
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var rect_txt = new RectangleF(rect.X - val, rect.Y, size.Width, rect.Height);
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g.SetClip(new RectangleF(rect.X, rect_txt.Y + ((rect.Height - size.Height) / 2), rect.Width, size.Height));
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g.DrawStr(text, Font, brush_fore, rect_txt, stringCenter);
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if (rect.Width > size.Width)
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{
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var maxw = rect.Width + rect_txt.Width / 2;
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var rect_txt2 = new RectangleF(rect_txt.Right, rect_txt.Y, rect_txt.Width, rect_txt.Height);
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while (rect_txt2.X < maxw)
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{
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g.DrawStr(text, Font, brush_fore, rect_txt2, stringCenter);
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rect_txt2.X = rect_txt2.Right;
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}
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}
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RectangleF rect_icon_l;
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if (string.IsNullOrEmpty(textTitle))
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{
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rect_icon_l = new RectangleF(rect.X, rect.Y, size.Height * 2, rect.Height);
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using (var brush = new LinearGradientBrush(rect_icon_l, back, Color.Transparent, 0F))
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{
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rect_icon_l.Width -= 1F;
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g.FillRectangle(brush, rect_icon_l);
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g.FillRectangle(brush, rect_icon_l);
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}
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}
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else
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{
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var size_title = g.MeasureString(TextTitle, Font).Size();
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rect_icon_l = new RectangleF(rect.X, rect.Y, (size.Height + size_title.Width) * 2, rect.Height);
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using (var brush = new LinearGradientBrush(rect_icon_l, back, Color.Transparent, 0F))
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{
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g.FillRectangle(brush, rect_icon_l);
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g.FillRectangle(brush, rect_icon_l);
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}
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g.DrawStr(TextTitle, Font, brush_fore, new RectangleF(rect_icon.Right, rect.Y, size_title.Width, rect.Height), stringCenter);
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}
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var rect_icon_r = new RectangleF(rect.Right - rect_icon_l.Width, rect_icon_l.Y, rect_icon_l.Width, rect_icon_l.Height);
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using (var brush = new LinearGradientBrush(rect_icon_r, Color.Transparent, back, 0F))
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{
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rect_icon_r.X += 1F;
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rect_icon_r.Width -= 1F;
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g.FillRectangle(brush, rect_icon_r);
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g.FillRectangle(brush, rect_icon_r);
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}
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}
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}
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#endregion
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public override Rectangle ReadRectangle
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{
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get => DisplayRectangle;
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}
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public override GraphicsPath RenderRegion
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{
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get => DisplayRectangle.RoundPath(radius * Config.Dpi);
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}
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#endregion
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#region 事件
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protected override void OnMouseEnter(EventArgs e)
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{
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task?.Dispose();
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base.OnMouseEnter(e);
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}
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protected override void OnMouseLeave(EventArgs e)
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{
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if (loop) StartTask();
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base.OnMouseLeave(e);
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}
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#endregion
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}
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}
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