// 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.Globalization;
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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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/// InputNumber 数字输入框
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/// </summary>
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/// <remarks>通过鼠标或键盘，输入范围内的数值。</remarks>
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[Description("InputNumber 数字输入框")]
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[ToolboxItem(true)]
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[DefaultProperty("Value")]
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[DefaultEvent("ValueChanged")]
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public class InputNumber : Input
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{
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#region 属性
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/// <summary>
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/// 支持清除
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/// </summary>
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[Browsable(false), Description("支持清除"), Category("行为"), DefaultValue(false)]
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public new bool AllowClear
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{
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get => false;
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set { base.AllowClear = false; }
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}
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decimal? minimum = null, maximum = null;
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[Description("最小值"), Category("数据"), DefaultValue(null)]
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public decimal? Minimum
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{
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get => minimum;
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set
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{
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minimum = value;
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if (minimum.HasValue && maximum.HasValue && minimum.Value > maximum.Value) maximum = minimum.Value;
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Value = Constrain(currentValue);
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}
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}
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[Description("最大值"), Category("数据"), DefaultValue(null)]
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public decimal? Maximum
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{
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get => maximum;
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set
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{
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maximum = value;
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if (minimum.HasValue && maximum.HasValue && minimum.Value > maximum.Value) minimum = maximum.Value;
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Value = Constrain(currentValue);
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}
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}
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decimal Constrain(decimal value)
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{
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if (minimum.HasValue && value < minimum.Value) value = minimum.Value;
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if (maximum.HasValue && value > maximum.Value) value = maximum.Value;
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return value;
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}
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decimal currentValue = 0;
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[Description("当前值"), Category("数据"), DefaultValue(typeof(decimal), "0")]
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public decimal Value
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{
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get => currentValue;
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set
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{
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if (currentValue == value) return;
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currentValue = Constrain(value);
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Text = GetNumberText(currentValue);
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ValueChanged?.Invoke(this, new DecimalEventArgs(currentValue));
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}
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}
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bool showcontrol = true;
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/// <summary>
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/// 显示控制器
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/// </summary>
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[Description("显示控制器"), Category("交互"), DefaultValue(true)]
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public bool ShowControl
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{
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get => showcontrol;
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set
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{
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if (showcontrol == value) return;
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showcontrol = value;
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Invalidate();
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}
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}
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int decimalPlaces = 0;
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/// <summary>
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/// 显示的小数点位数
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/// </summary>
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[Description("显示的小数点位数"), Category("数据"), DefaultValue(0)]
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public int DecimalPlaces
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{
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get => decimalPlaces;
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set
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{
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if (decimalPlaces == value) return;
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decimalPlaces = value;
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Text = GetNumberText(currentValue);
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}
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}
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bool thousandsSeparator = false;
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/// <summary>
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/// 是否显示千分隔符
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/// </summary>
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[Description("是否显示千分隔符"), Category("数据"), DefaultValue(false)]
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public bool ThousandsSeparator
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{
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get => thousandsSeparator;
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set
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{
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if (thousandsSeparator == value) return;
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thousandsSeparator = value;
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Text = GetNumberText(currentValue);
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}
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}
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bool hexadecimal = false;
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/// <summary>
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/// 值是否应以十六进制显示
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/// </summary>
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[Description("值是否应以十六进制显示"), Category("数据"), DefaultValue(false)]
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public bool Hexadecimal
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{
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get => hexadecimal;
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set
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{
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if (hexadecimal == value) return;
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hexadecimal = value;
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Text = GetNumberText(currentValue);
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}
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}
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/// <summary>
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/// 当按下箭头键时，是否持续增加/减少
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/// </summary>
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[Description("当按下箭头键时，是否持续增加/减少"), Category("行为"), DefaultValue(true)]
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public bool InterceptArrowKeys { get; set; } = true;
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string GetNumberText(decimal num)
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{
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if (Hexadecimal) return ((long)num).ToString("X", CultureInfo.InvariantCulture);
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return num.ToString((ThousandsSeparator ? "N" : "F") + DecimalPlaces.ToString(CultureInfo.CurrentCulture), CultureInfo.CurrentCulture);
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}
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/// <summary>
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/// 每次单击箭头键时增加/减少的数量
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/// </summary>
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[Description("每次单击箭头键时增加/减少的数量"), Category("数据"), DefaultValue(typeof(decimal), "1")]
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public decimal Increment { get; set; } = 1;
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protected override void OnHandleCreated(EventArgs e)
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{
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Text = GetNumberText(currentValue);
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base.OnHandleCreated(e);
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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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/// Value 属性值更改时发生
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/// </summary>
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[Description("Value 属性值更改时发生"), Category("行为")]
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public event DecimalEventHandler? ValueChanged;
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#endregion
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#region 渲染
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ITaskOpacity hover_button, hover_button_up, hover_button_bottom;
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RectangleF rect_button, rect_button_up, rect_button_bottom;
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public InputNumber()
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{
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hover_button = new ITaskOpacity(this);
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hover_button_up = new ITaskOpacity(this);
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hover_button_bottom = new ITaskOpacity(this);
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}
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protected override void Dispose(bool disposing)
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{
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hover_button.Dispose();
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hover_button_up.Dispose();
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hover_button_bottom.Dispose();
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base.Dispose(disposing);
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}
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static NumberFormatInfo numberFormatInfo = CultureInfo.CurrentCulture.NumberFormat;
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static string decimalSeparator = numberFormatInfo.NumberDecimalSeparator, groupSeparator = numberFormatInfo.NumberGroupSeparator, negativeSign = numberFormatInfo.NegativeSign;
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protected override bool Verify(char key, out string? change)
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{
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change = null;
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string keyInput = key.ToString();
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if (char.IsDigit(key))
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{
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// 数字可以
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return true;
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}
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else if (keyInput.Equals(decimalSeparator) || keyInput.Equals(groupSeparator) || keyInput.Equals(negativeSign))
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{
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// 小数分隔符可以
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return true;
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}
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else if (key == '\b')
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{
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// Backspace键可以
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return true;
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}
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else if (Hexadecimal && ((key >= 'a' && key <= 'f') || (key >= 'A' && key <= 'F')))
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{
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// 十六进制数字可以
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return true;
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}
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return false;
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}
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protected override void PaintOtherBor(Graphics g, RectangleF rect_read, float _radius, Color back, Color borColor, Color borderActive)
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{
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if (hover_button.Animation || hover_button.Switch)
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{
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float radius = round ? rect_read.Height / 2F : _radius;
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int width = (int)(22 * Config.Dpi);
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rect_button = new RectangleF(rect_read.Right - width, rect_read.Y, width, rect_read.Height);
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rect_button_up = new RectangleF(rect_button.X, rect_button.Y, rect_button.Width, rect_button.Height / 2);
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rect_button_bottom = new RectangleF(rect_button.X, rect_button_up.Bottom, rect_button.Width, rect_button_up.Height);
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using (var path = rect_button.RoundPath(radius, false, true, true, false))
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{
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using (var brush = new SolidBrush(back))
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{ g.FillPath(brush, path); }
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}
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if (hover_button.Animation)
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{
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using (var pen = new Pen(Helper.ToColor(hover_button.Value, borColor), 1 * Config.Dpi))
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{
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using (var path = rect_button_up.RoundPath(radius, false, true, false, false))
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{
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g.DrawPath(pen, path);
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}
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using (var path = rect_button_bottom.RoundPath(radius, false, false, true, false))
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{
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g.DrawPath(pen, path);
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}
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}
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}
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else if (hover_button.Switch)
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{
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using (var pen = new Pen(borColor, 1 * Config.Dpi))
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{
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using (var path = rect_button_up.RoundPath(radius, false, true, false, false))
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{
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g.DrawPath(pen, path);
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}
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using (var path = rect_button_bottom.RoundPath(radius, false, false, true, false))
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{
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g.DrawPath(pen, path);
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}
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}
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}
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if (hover_button_up.Animation)
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{
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using (var pen_def = new Pen(borColor, 1 * Config.Dpi))
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{
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g.DrawLines(pen_def, TAlignMini.Top.TriangleLines(rect_button_up));
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using (var brush_hove = new Pen(Helper.ToColor(hover_button_up.Value, borderActive), pen_def.Width))
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{
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g.DrawLines(brush_hove, TAlignMini.Top.TriangleLines(rect_button_up));
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}
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}
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}
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else if (hover_button_up.Switch)
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{
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using (var pen = new Pen(borderActive, 1 * Config.Dpi))
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{
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g.DrawLines(pen, TAlignMini.Top.TriangleLines(rect_button_up));
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}
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}
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else
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{
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using (var pen_def = new Pen(borColor, 1 * Config.Dpi))
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{
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g.DrawLines(pen_def, TAlignMini.Top.TriangleLines(rect_button_up));
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}
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}
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if (hover_button_bottom.Animation)
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{
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using (var pen_def = new Pen(borColor, 1 * Config.Dpi))
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{
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g.DrawLines(pen_def, TAlignMini.Bottom.TriangleLines(rect_button_bottom));
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using (var brush_hove = new Pen(Helper.ToColor(hover_button_bottom.Value, borderActive), pen_def.Width))
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{
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g.DrawLines(brush_hove, TAlignMini.Bottom.TriangleLines(rect_button_bottom));
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}
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}
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}
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else if (hover_button_bottom.Switch)
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{
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using (var pen = new Pen(borderActive, 1 * Config.Dpi))
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{
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g.DrawLines(pen, TAlignMini.Bottom.TriangleLines(rect_button_bottom));
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}
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}
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else
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{
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using (var pen_def = new Pen(borColor, 1 * Config.Dpi))
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{
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g.DrawLines(pen_def, TAlignMini.Bottom.TriangleLines(rect_button_bottom));
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}
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}
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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 ChangeMouseHover(bool Hover, bool Focus)
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{
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hover_button.Switch = showcontrol && !ReadOnly && (Hover || Focus);
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}
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protected override void OnMouseMove(MouseEventArgs e)
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{
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if (showcontrol)
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{
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if (!ReadOnly && rect_button.Contains(e.Location))
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{
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if (rect_button_up.Contains(e.Location))
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{
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hover_button_bottom.Switch = false;
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hover_button_up.Switch = true;
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}
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else
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{
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hover_button_up.Switch = false;
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hover_button_bottom.Switch = true;
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}
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SetCursor(true);
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return;
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}
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else
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{
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hover_button_up.Switch = hover_button_bottom.Switch = false;
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SetCursor(false);
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}
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}
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base.OnMouseMove(e);
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}
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bool isdownup = false, isdowndown = false;
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int downid = 0, temp_old = 0;
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protected override void OnMouseDown(MouseEventArgs e)
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{
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if (showcontrol && !ReadOnly && rect_button.Contains(e.Location))
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{
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if (decimal.TryParse(Text, out var _d)) Value = _d;
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if (rect_button_up.Contains(e.Location))
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{
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Value = currentValue + Increment;
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isdownup = true;
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}
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else
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{
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Value = currentValue - Increment;
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isdowndown = true;
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}
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if ((isdownup || isdowndown) && InterceptArrowKeys)
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{
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int _downid = downid = temp_old;
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temp_old++;
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if (temp_old > 9999) temp_old = 0;
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ITask.Run(() =>
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{
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System.Threading.Thread.Sleep(500);
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while (isdownup || isdowndown && _downid == downid)
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{
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var old = currentValue;
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Invoke(new Action(() =>
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{
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if (isdownup) Value = currentValue + Increment;
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else if (isdowndown) Value = currentValue - Increment;
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}));
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if (old == currentValue) return;
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System.Threading.Thread.Sleep(200);
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}
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});
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}
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}
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base.OnMouseDown(e);
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}
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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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isdownup = isdowndown = false;
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}
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protected override bool ProcessCmdKey(ref System.Windows.Forms.Message msg, Keys keyData)
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{
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if (keyData == Keys.Enter)
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{
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if (decimal.TryParse(Text, out var _d)) Value = _d;
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}
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return base.ProcessCmdKey(ref msg, keyData);
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}
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protected override void OnLostFocus(EventArgs e)
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{
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if (IsHandleCreated)
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{
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if (decimal.TryParse(Text, out var _d)) Value = _d;
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else Text = GetNumberText(currentValue);
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}
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base.OnLostFocus(e);
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}
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protected override void OnMouseWheel(MouseEventArgs e)
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{
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if (e.Delta > 0) Value = currentValue + Increment;
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else Value = currentValue - Increment;
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base.OnMouseWheel(e);
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}
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#endregion
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}
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}
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