778 lines
22 KiB
C#
778 lines
22 KiB
C#
/******************************************************************************
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* SunnyUI 开源控件库、工具类库、扩展类库、多页面开发框架。
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* CopyRight (C) 2012-2020 ShenYongHua(沈永华).
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* QQ群：56829229 QQ：17612584 EMail：SunnyUI@qq.com
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*
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* Blog: https://www.cnblogs.com/yhuse
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* Gitee: https://gitee.com/yhuse/SunnyUI
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* GitHub: https://github.com/yhuse/SunnyUI
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*
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* SunnyUI.dll can be used for free under the GPL-3.0 license.
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* If you use this code, please keep this note.
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* 如果您使用此代码，请保留此说明。
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******************************************************************************
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* 文件名称: UITextBox.cs
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* 文件说明: 输入框
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* 当前版本: V3.0
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* 创建日期: 2020-01-01
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*
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* 2020-01-01: V2.2.0 增加文件说明
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* 2020-06-03: V2.2.5 增加多行，增加滚动条
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* 2020-09-03: V2.2.7 增加FocusedSelectAll属性，激活时全选。
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******************************************************************************/
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using System;
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using System.Collections;
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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.Windows.Forms;
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namespace Sunny.UI
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{
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[DefaultEvent("TextChanged")]
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[DefaultProperty("Text")]
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public sealed partial class UITextBox : UIPanel
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{
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private readonly UIEdit edit = new UIEdit();
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private readonly UIScrollBar bar = new UIScrollBar();
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public UITextBox()
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{
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InitializeComponent();
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CalcEditHeight();
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Height = MiniHeight;
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ShowText = false;
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Font = UIFontColor.Font;
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edit.Top = (Height - edit.Height) / 2;
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edit.Left = 4;
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edit.Width = Width - 8;
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edit.Text = String.Empty;
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edit.BorderStyle = BorderStyle.None;
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edit.TextChanged += EditTextChanged;
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edit.KeyDown += EditOnKeyDown;
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edit.KeyUp += EditOnKeyUp;
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edit.KeyPress += EditOnKeyPress;
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edit.MouseEnter += Edit_MouseEnter;
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edit.Click += Edit_Click;
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edit.DoubleClick += Edit_DoubleClick;
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edit.Leave += Edit_Leave;
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edit.Invalidate();
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Controls.Add(edit);
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fillColor = Color.White;
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Width = 150;
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bar.Parent = this;
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bar.Dock = DockStyle.None;
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bar.Style = UIStyle.Custom;
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bar.Visible = false;
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bar.ValueChanged += Bar_ValueChanged;
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edit.MouseWheel += OnMouseWheel;
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bar.MouseEnter += Bar_MouseEnter;
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SizeChange();
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editCursor = Cursor;
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TextAlignmentChange += UITextBox_TextAlignmentChange;
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}
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private void Edit_Leave(object sender, EventArgs e)
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{
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Leave?.Invoke(sender, e);
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}
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protected override void OnEnabledChanged(EventArgs e)
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{
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base.OnEnabledChanged(e);
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edit.BackColor = Enabled ? Color.White : FillDisableColor;
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edit.Enabled = Enabled;
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}
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public override bool Focused
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{
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get => edit.Focused;
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}
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[DefaultValue(false)]
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[Description("激活时选中全部文字"), Category("SunnyUI")]
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public bool FocusedSelectAll
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{
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get => edit.FocusedSelectAll;
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set => edit.FocusedSelectAll = value;
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}
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private void UITextBox_TextAlignmentChange(object sender, ContentAlignment alignment)
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{
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if (edit == null) return;
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if (alignment == ContentAlignment.TopLeft || alignment == ContentAlignment.MiddleLeft ||
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alignment == ContentAlignment.BottomLeft)
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edit.TextAlign = HorizontalAlignment.Left;
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if (alignment == ContentAlignment.TopCenter || alignment == ContentAlignment.MiddleCenter ||
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alignment == ContentAlignment.BottomCenter)
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edit.TextAlign = HorizontalAlignment.Center;
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if (alignment == ContentAlignment.TopRight || alignment == ContentAlignment.MiddleRight ||
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alignment == ContentAlignment.BottomRight)
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edit.TextAlign = HorizontalAlignment.Right;
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}
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private void Edit_DoubleClick(object sender, EventArgs e)
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{
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DoubleClick?.Invoke(this, e);
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}
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public new event EventHandler DoubleClick;
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public new event EventHandler Click;
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private void Edit_Click(object sender, EventArgs e)
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{
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Click?.Invoke(this, e);
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}
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protected override void OnCursorChanged(EventArgs e)
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{
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base.OnCursorChanged(e);
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edit.Cursor = Cursor;
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}
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private Cursor editCursor;
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private void Bar_MouseEnter(object sender, EventArgs e)
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{
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editCursor = Cursor;
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Cursor = Cursors.Default;
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}
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private void Edit_MouseEnter(object sender, EventArgs e)
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{
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Cursor = editCursor;
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if (FocusedSelectAll)
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{
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SelectAll();
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}
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}
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private void OnMouseWheel(object sender, MouseEventArgs e)
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{
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base.OnMouseWheel(e);
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if (bar != null && bar.Visible && edit != null)
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{
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var si = ScrollBarInfo.GetInfo(edit.Handle);
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if (e.Delta > 10)
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{
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if (si.nPos > 0)
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{
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ScrollBarInfo.ScrollUp(edit.Handle);
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}
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}
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else if (e.Delta < -10)
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{
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if (si.nPos < si.ScrollMax)
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{
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ScrollBarInfo.ScrollDown(edit.Handle);
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}
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}
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}
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SetScrollInfo();
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}
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private void Bar_ValueChanged(object sender, EventArgs e)
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{
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if (edit != null)
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{
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ScrollBarInfo.SetScrollValue(edit.Handle, bar.Value);
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}
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}
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private bool multiline;
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[DefaultValue(false)]
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public bool Multiline
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{
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get => multiline;
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set
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{
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multiline = value;
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edit.Multiline = value;
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edit.ScrollBars = value ? ScrollBars.Vertical : ScrollBars.None;
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bar.Visible = multiline;
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SizeChange();
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}
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}
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[DefaultValue(true)]
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public bool WordWarp
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{
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get => edit.WordWrap;
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set => edit.WordWrap = value;
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}
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public void Select(int start, int length)
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{
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edit.Focus();
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edit.Select(start, length);
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}
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public void ScrollToCaret()
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{
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edit.ScrollToCaret();
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}
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private void EditOnKeyPress(object sender, KeyPressEventArgs e)
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{
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KeyPress?.Invoke(sender, e);
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}
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private void EditOnKeyDown(object sender, KeyEventArgs e)
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{
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if (e.KeyCode == Keys.Enter)
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{
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DoEnter?.Invoke(sender, e);
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}
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KeyDown?.Invoke(sender, e);
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}
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public event EventHandler DoEnter;
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private void EditOnKeyUp(object sender, KeyEventArgs e)
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{
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KeyUp?.Invoke(sender, e);
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}
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[DefaultValue(null)]
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[Description("水印文字"), Category("SunnyUI")]
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public string Watermark
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{
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get => edit.Watermark;
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set => edit.Watermark = value;
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}
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public void SelectAll()
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{
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edit.Focus();
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edit.SelectAll();
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}
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public void CheckMaxMin()
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{
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edit.CheckMaxMin();
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}
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[Browsable(true)]
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public new event EventHandler TextChanged;
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public new event KeyEventHandler KeyDown;
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public new event KeyEventHandler KeyUp;
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public new event KeyPressEventHandler KeyPress;
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public new event EventHandler Leave;
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private void EditTextChanged(object s, EventArgs e)
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{
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TextChanged?.Invoke(this, e);
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SetScrollInfo();
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}
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protected override void OnFontChanged(EventArgs e)
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{
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base.OnFontChanged(e);
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edit.Font = Font;
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CalcEditHeight();
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SizeChange();
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Invalidate();
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}
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protected override void OnSizeChanged(EventArgs e)
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{
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SizeChange();
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}
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public void SetScrollInfo()
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{
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if (bar == null)
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{
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return;
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}
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var si = ScrollBarInfo.GetInfo(edit.Handle);
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if (si.ScrollMax > 0)
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{
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bar.Maximum = si.ScrollMax;
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bar.Value = si.nPos;
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}
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else
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{
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bar.Maximum = si.ScrollMax;
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}
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}
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private int MiniHeight;
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private void CalcEditHeight()
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{
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UIEdit edt = new UIEdit();
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edt.Font = edit.Font;
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edt.Invalidate();
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MiniHeight = edt.Height;
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edt.Dispose();
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}
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private void SizeChange()
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{
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if (!multiline)
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{
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if (Height != MiniHeight)
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{
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Height = MiniHeight;
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}
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edit.Top = (Height - edit.Height) / 2;
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edit.Left = 4;
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edit.Width = Width - 8;
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}
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else
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{
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edit.Top = 3;
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edit.Height = Height - 6;
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edit.Left = 1;
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edit.Width = Width - 2;
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bar.Top = 2;
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bar.Width = ScrollBarInfo.VerticalScrollBarWidth();
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bar.Left = Width - bar.Width - 1;
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bar.Height = Height - 4;
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bar.BringToFront();
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SetScrollInfo();
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}
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}
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protected override void OnGotFocus(EventArgs e)
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{
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base.OnGotFocus(e);
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edit.Focus();
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}
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public void Clear()
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{
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edit.Clear();
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}
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[DefaultValue('\0')]
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[Description("密码掩码"), Category("SunnyUI")]
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public char PasswordChar
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{
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get => edit.PasswordChar;
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set => edit.PasswordChar = value;
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}
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[DefaultValue(false)]
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[Description("是否只读"), Category("SunnyUI")]
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public bool ReadOnly
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{
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get => edit.ReadOnly;
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set
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{
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edit.ReadOnly = value;
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edit.BackColor = Enabled ? Color.White : FillDisableColor;
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}
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}
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[Description("输入类型"), Category("SunnyUI")]
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[DefaultValue(UIEditType.String)]
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public UIEditType Type
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{
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get => edit.Type;
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set => edit.Type = value;
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}
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/// <summary>
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/// 当InputType为数字类型时，能输入的最大值
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/// </summary>
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[Description("当InputType为数字类型时，能输入的最大值。"), Category("SunnyUI")]
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[DefaultValue(int.MaxValue)]
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public double Maximum
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{
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get => edit.MaxValue;
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set => edit.MaxValue = value;
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}
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/// <summary>
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/// 当InputType为数字类型时，能输入的最小值
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/// </summary>
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[Description("当InputType为数字类型时，能输入的最小值。"), Category("SunnyUI")]
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[DefaultValue(int.MinValue)]
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public double Minimum
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{
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get => edit.MinValue;
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set => edit.MinValue = value;
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}
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[DefaultValue(false)]
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[Description("是否判断最大值显示"), Category("SunnyUI")]
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public bool HasMaximum
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{
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get => edit.HasMaxValue;
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set => edit.HasMaxValue = value;
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}
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[DefaultValue(false)]
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[Description("是否判断最小值显示"), Category("SunnyUI")]
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public bool HasMinimum
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{
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get => edit.HasMinValue;
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set => edit.HasMinValue = value;
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}
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[DefaultValue(0.00)]
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[Description("浮点返回值"), Category("SunnyUI")]
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public double DoubleValue
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{
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get => edit.DoubleValue;
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set => edit.DoubleValue = value;
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}
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[DefaultValue(0)]
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[Description("整形返回值"), Category("SunnyUI")]
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public int IntValue
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{
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get => edit.IntValue;
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set => edit.IntValue = value;
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}
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[Description("文本返回值"), Category("SunnyUI")]
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[Browsable(true)]
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[DefaultValue("")]
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public override string Text
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{
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get => edit.Text;
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set => edit.Text = value;
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}
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/// <summary>
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/// 当InputType为数字类型时，小数位数。
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/// </summary>
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[Description("当InputType为数字类型时，小数位数。")]
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[DefaultValue(2), Category("SunnyUI")]
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public int DecLength
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{
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get => edit.DecLength;
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set => edit.DecLength = Math.Max(value, 0);
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}
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[DefaultValue(false)]
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[Description("整形或浮点输入时，是否可空显示"), Category("SunnyUI")]
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public bool CanEmpty
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{
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get => edit.CanEmpty;
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set => edit.CanEmpty = value;
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}
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public void Empty()
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{
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if (edit.CanEmpty)
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edit.Text = "";
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}
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public bool IsEmpty => edit.Text == "";
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protected override void OnMouseDown(MouseEventArgs e)
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{
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ActiveControl = edit;
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}
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[DefaultValue(32767)]
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public int MaxLength
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{
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get => edit.MaxLength;
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set => edit.MaxLength = Math.Max(value, 1);
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}
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public override void SetStyleColor(UIBaseStyle uiColor)
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{
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base.SetStyleColor(uiColor);
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if (uiColor.IsCustom()) return;
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edit.BackColor = fillColor = Enabled ? Color.White : FillDisableColor;
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edit.ForeColor = foreColor = UIFontColor.Primary;
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if (bar != null)
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{
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bar.ForeColor = uiColor.PrimaryColor;
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bar.HoverColor = uiColor.ButtonFillHoverColor;
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bar.PressColor = uiColor.ButtonFillPressColor;
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bar.FillColor = Color.White;
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}
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Invalidate();
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}
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protected override void AfterSetForeColor(Color color)
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{
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base.AfterSetForeColor(color);
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edit.ForeColor = color;
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}
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protected override void AfterSetFillColor(Color color)
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{
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base.AfterSetFillColor(color);
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edit.BackColor = Enabled ? color : FillDisableColor;
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}
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public enum UIEditType
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{
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/// <summary>
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/// 字符串
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/// </summary>
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String,
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/// <summary>
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/// 整数
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/// </summary>
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Integer,
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/// <summary>
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/// 浮点数
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/// </summary>
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Double
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}
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[DefaultValue(false)]
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public bool AcceptsReturn
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{
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get => edit.AcceptsReturn;
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set => edit.AcceptsReturn = value;
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}
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[DefaultValue(AutoCompleteMode.None), Browsable(true), EditorBrowsable(EditorBrowsableState.Always)]
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public AutoCompleteMode AutoCompleteMode
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{
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get => edit.AutoCompleteMode;
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set => edit.AutoCompleteMode = value;
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}
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[
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DefaultValue(AutoCompleteSource.None),
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TypeConverterAttribute(typeof(TextBoxAutoCompleteSourceConverter)),
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Browsable(true),
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EditorBrowsable(EditorBrowsableState.Always)
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]
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public AutoCompleteSource AutoCompleteSource
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{
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get => edit.AutoCompleteSource;
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set => edit.AutoCompleteSource = value;
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}
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[
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DesignerSerializationVisibility(DesignerSerializationVisibility.Content),
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Localizable(true),
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Editor("System.Windows.Forms.Design.ListControlStringCollectionEditor, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", typeof(UITypeEditor)),
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Browsable(true),
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EditorBrowsable(EditorBrowsableState.Always)
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]
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public AutoCompleteStringCollection AutoCompleteCustomSource
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{
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get => edit.AutoCompleteCustomSource;
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set => edit.AutoCompleteCustomSource = value;
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}
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[DefaultValue(CharacterCasing.Normal)]
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public CharacterCasing CharacterCasing
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{
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get => edit.CharacterCasing;
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set => edit.CharacterCasing = value;
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}
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public void Paste(string text)
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{
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edit.Paste(text);
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}
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internal class TextBoxAutoCompleteSourceConverter : EnumConverter
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{
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public TextBoxAutoCompleteSourceConverter(Type type) : base(type)
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{
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}
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public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
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{
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StandardValuesCollection values = base.GetStandardValues(context);
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ArrayList list = new ArrayList();
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||
int count = values.Count;
|
||
for (int i = 0; i < count; i++)
|
||
{
|
||
string currentItemText = values[i].ToString();
|
||
if (!currentItemText.Equals("ListItems"))
|
||
{
|
||
list.Add(values[i]);
|
||
}
|
||
}
|
||
|
||
return new StandardValuesCollection(list);
|
||
}
|
||
}
|
||
|
||
[DefaultValue(false)]
|
||
public bool AcceptsTab
|
||
{
|
||
get => edit.AcceptsTab;
|
||
set => edit.AcceptsTab = value;
|
||
}
|
||
|
||
[DefaultValue(false)]
|
||
public bool EnterAsTab
|
||
{
|
||
get => edit.EnterAsTab;
|
||
set => edit.EnterAsTab = value;
|
||
}
|
||
|
||
[DefaultValue(true)]
|
||
public bool ShortcutsEnabled
|
||
{
|
||
get => edit.ShortcutsEnabled;
|
||
set => edit.ShortcutsEnabled = value;
|
||
}
|
||
|
||
[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
|
||
public bool CanUndo
|
||
{
|
||
get => edit.CanUndo;
|
||
}
|
||
|
||
[DefaultValue(true)]
|
||
public bool HideSelection
|
||
{
|
||
get => edit.HideSelection;
|
||
set => edit.HideSelection = value;
|
||
}
|
||
|
||
[
|
||
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
|
||
MergableProperty(false),
|
||
Localizable(true),
|
||
Editor("System.Windows.Forms.Design.StringArrayEditor, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", typeof(UITypeEditor))
|
||
]
|
||
public string[] Lines
|
||
{
|
||
get => edit.Lines;
|
||
set => edit.Lines = value;
|
||
}
|
||
|
||
[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
|
||
public bool Modified
|
||
{
|
||
get => edit.Modified;
|
||
set => edit.Modified = value;
|
||
}
|
||
|
||
[
|
||
Browsable(false), EditorBrowsable(EditorBrowsableState.Advanced),
|
||
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
|
||
]
|
||
public int PreferredHeight
|
||
{
|
||
get => edit.PreferredHeight;
|
||
}
|
||
|
||
[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
|
||
public string SelectedText
|
||
{
|
||
get => edit.SelectedText;
|
||
set => edit.SelectedText = value;
|
||
}
|
||
|
||
[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
|
||
public int SelectionLength
|
||
{
|
||
get => edit.SelectionLength;
|
||
set => edit.SelectionLength = value;
|
||
}
|
||
|
||
[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
|
||
public int SelectionStart
|
||
{
|
||
get => edit.SelectionStart;
|
||
set => edit.SelectionStart = value;
|
||
}
|
||
|
||
[Browsable(false)]
|
||
public int TextLength
|
||
{
|
||
get => edit.TextLength;
|
||
}
|
||
|
||
public void AppendText(string text)
|
||
{
|
||
edit.AppendText(text);
|
||
}
|
||
|
||
public void ClearUndo()
|
||
{
|
||
edit.ClearUndo();
|
||
}
|
||
|
||
public void Copy()
|
||
{
|
||
edit.Copy();
|
||
}
|
||
|
||
public void Cut()
|
||
{
|
||
edit.Cut();
|
||
}
|
||
|
||
public void Paste()
|
||
{
|
||
edit.Paste();
|
||
}
|
||
|
||
public char GetCharFromPosition(Point pt)
|
||
{
|
||
return edit.GetCharFromPosition(pt);
|
||
}
|
||
|
||
public int GetCharIndexFromPosition(Point pt)
|
||
{
|
||
return edit.GetCharIndexFromPosition(pt);
|
||
}
|
||
|
||
public int GetLineFromCharIndex(int index)
|
||
{
|
||
return edit.GetLineFromCharIndex(index);
|
||
}
|
||
|
||
public Point GetPositionFromCharIndex(int index)
|
||
{
|
||
return edit.GetPositionFromCharIndex(index);
|
||
}
|
||
|
||
public int GetFirstCharIndexFromLine(int lineNumber)
|
||
{
|
||
return edit.GetFirstCharIndexFromLine(lineNumber);
|
||
}
|
||
|
||
public int GetFirstCharIndexOfCurrentLine()
|
||
{
|
||
return edit.GetFirstCharIndexOfCurrentLine();
|
||
}
|
||
|
||
public void DeselectAll()
|
||
{
|
||
edit.DeselectAll();
|
||
}
|
||
|
||
public void Undo()
|
||
{
|
||
edit.Undo();
|
||
}
|
||
}
|
||
} |