using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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namespace DPumpHydr.WinFrmUI.WenSkin.Controls
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{
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[DefaultEvent("TextChanged")]
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[DefaultBindingProperty("Text")]
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public class WenLineTextBox : WenControl
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{
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public WenLineTextBox() : base()
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{
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textBox = new TextBox()
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{
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BorderStyle = BorderStyle.None,
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Anchor = AnchorStyles.Left | AnchorStyles.Right,
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};
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//鼠标移动
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textBox.MouseLeave += TextBox_MouseLeave;
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textBox.MouseEnter += TextBox_MouseEnter;
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this.MouseLeave += TextBox_MouseLeave;
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this.MouseEnter += TextBox_MouseEnter;
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this.MouseMove += WenLineTextBox_MouseMove;
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textBox.LostFocus += TextBox_LostFocus;
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textBox.GotFocus += TextBox_GotFocus;
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//创建消息 NativeWindow
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textBox.HandleCreated += TextBox_HandleCreated;
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textBox.HandleDestroyed += TextBox_HandleDestroyed;
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//鼠标点击事件
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this.MouseClick += WenLineTextBox_MouseClick;
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this.SizeChanged += WenLineTextBox_SizeChanged;
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this.Controls.Add(textBox);
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//初始化颜色
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BackColor = Color.FromArgb(37, 37, 38);
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BorderColor = Color.FromArgb(63, 63, 70);
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HotColor = Color.FromArgb(0, 122, 204);
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ForeColor = Color.FromArgb(241, 241, 241);
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WateTextColor = Color.FromArgb(153, 153, 153);
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PasswordChar = '\0';
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}
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#region 私有属性
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private Color hotColor;
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private Color borderColor;
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private bool isMouseOver;
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private string wateText;
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private Color wateTextColor;
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private bool buttonImageMouseOver;
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private HeaderNativeWindow headerNativeWindow;
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private Image buttonImage;
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private TextBox textBox { get; set; }
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private bool IsMouseOver { get => isMouseOver; set { isMouseOver = value; this.Invalidate(); } }
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private bool ButtonImageMouseOver { get => buttonImageMouseOver; set { buttonImageMouseOver = value; this.Invalidate(); } }
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#endregion
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#region 公用属性
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[Category("Wen颜色"), Description("背景颜色")]
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[DefaultValue(typeof(Color), "37, 37, 38")]
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public new Color BackColor
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{
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get => base.BackColor;
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set
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{
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value = value == Color.Transparent ? Color.FromArgb(37, 37, 38) : value;
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base.BackColor = value;
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textBox.BackColor = value;
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}
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}
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[Category("Wen颜色"), Description("前景颜色")]
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[DefaultValue(typeof(Color), "241, 241, 241")]
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public new Color ForeColor
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{
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get => base.ForeColor;
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set
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{
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value = value == Color.Transparent ? Color.FromArgb(37, 37, 38) : value;
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base.ForeColor = value;
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textBox.ForeColor = value;
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}
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}
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[Category("Wen颜色"), Description("热点颜色或者鼠标在控件颜色")]
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[DefaultValue(typeof(Color), "0,122,204")]
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public Color HotColor { get => this.hotColor; set { this.hotColor = value; this.Invalidate(); } }
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[Category("Wen颜色"), Description("获得或设置控件的边框颜色")]
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[DefaultValue(typeof(Color), "63,63,70")]
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public Color BorderColor { get => this.borderColor; set { this.borderColor = value; this.Invalidate(); } }
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[Category("Wen颜色"), Description("提示字符颜色")]
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[DefaultValue(typeof(Color), "153,153,153")]
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public Color WateTextColor { get => this.wateTextColor; set { this.wateTextColor = value; this.Invalidate(); } }
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[Category("Wen设计"), Description("当文本类容为空的时候提示内容")]
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[DefaultValue(null)]
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public string WateText { get => wateText; set { wateText = value; this.Invalidate(); } }
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[Category("Wen设计"), Description("尾部按钮图标")]
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[DefaultValue(null)]
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public Image ButtonImage
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{
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get => buttonImage;
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set
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{
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buttonImage = value;
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WenLineTextBox_SizeChanged(null, EventArgs.Empty);
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this.Invalidate();
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}
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}
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#endregion
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#region TextBox 属性
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[Category("Wen设计"), Description("文本内容")]
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[DefaultValue(null)]
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[Localizable(true)]
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public new string Text { get => textBox.Text; set => textBox.Text = value; }
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[Category("Wen设计"), Description("可编辑状态")]
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[DefaultValue(false)]
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public bool ReadOnly { get => textBox.ReadOnly; set => textBox.ReadOnly = value; }
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[Category("Wen设计"), Description("文本格式")]
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public new Font Font { get => textBox.Font; set { textBox.Font = value; base.Font = value; } }
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[Category("Wen设计"), Description("密码掩盖字符")]
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[DefaultValue('\0')]
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public char PasswordChar { get => textBox.PasswordChar; set => textBox.PasswordChar = value; }
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#endregion
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#region 委托
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[Category("Wen"), Description("图标按钮点击事件")]
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public event EventHandler ButtonClick;
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#endregion
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#region 创建消息 TextBox 消息拦截重绘
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private void TextBox_HandleDestroyed(object sender, EventArgs e)
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{
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if (headerNativeWindow != null)
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{
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headerNativeWindow = null;
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}
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}
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private void TextBox_HandleCreated(object sender, EventArgs e)
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{
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if (headerNativeWindow == null)
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{
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headerNativeWindow = new HeaderNativeWindow(this);
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}
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}
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private class HeaderNativeWindow : NativeWindow
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{
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private readonly WenLineTextBox owner;
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readonly IntPtr header;
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public HeaderNativeWindow(WenLineTextBox owner)
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{
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this.owner = owner;
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header = owner.textBox.Handle;
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base.AssignHandle(header);
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}
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protected override void WndProc(ref Message m)
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{
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base.WndProc(ref m);
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if (m.Msg == 0xf || m.Msg == 0x133)
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{
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using Graphics g = Graphics.FromHwnd(m.HWnd).SetGDIHigh();
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//当文本为空，提示文本不为空，水印TextBox
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if (string.IsNullOrEmpty(owner.Text) && !string.IsNullOrEmpty(owner.WateText))
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{
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using Brush b = new SolidBrush(owner.WateTextColor);
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g.DrawString(owner.WateText, owner.Font, b, new Rectangle(0, 0, owner.textBox.Width, owner.textBox.Height), ControlHelper.StringConters);
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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 鼠标移动 点击，获得焦点 失去事件
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private void TextBox_LostFocus(object sender, EventArgs e)
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{
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this.Invalidate();
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}
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private void TextBox_MouseEnter(object sender, EventArgs e)
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{
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IsMouseOver = true;
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}
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private void TextBox_MouseLeave(object sender, EventArgs e)
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{
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IsMouseOver = false;
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ButtonImageMouseOver = false;
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}
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private void TextBox_GotFocus(object sender, EventArgs e)
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{
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this.Invalidate();
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}
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//鼠标点击
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private void WenLineTextBox_MouseClick(object sender, MouseEventArgs e)
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{
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Rectangle recImageBack = new Rectangle(this.Width - textBox.Height - 10, 0, textBox.Height + 10, this.Height);
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if (recImageBack.Contains(e.Location) && e.Button == MouseButtons.Left && ButtonImage != null)
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{
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ButtonClick?.Invoke(this, e);
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}
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}
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//鼠标所在位置
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private void WenLineTextBox_MouseMove(object sender, MouseEventArgs e)
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{
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Rectangle recImageBack = new Rectangle(this.Width - textBox.Height - 10, 0, textBox.Height + 10, this.Height);
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if (recImageBack.Contains(e.Location) && ButtonImage != null && !ButtonImageMouseOver)
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{
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ButtonImageMouseOver = true;
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}
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else if (!recImageBack.Contains(e.Location) && ButtonImageMouseOver)
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{
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ButtonImageMouseOver = false;
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}
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}
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#endregion
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private void WenLineTextBox_SizeChanged(object sender, EventArgs e)
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{
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textBox.Width = ButtonImage == null ? Width - 4 : Width - 16 - textBox.Height;
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textBox.Location = new Point(2, 5);
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}
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#region 重写事件 保持控件高度
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//保持控件宽度
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protected override void SetBoundsCore(int x, int y, int width, int height, BoundsSpecified specified)
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{
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base.SetBoundsCore(x, y, width, textBox.Height + 8, specified);
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}
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#endregion
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#region 重绘 画外框
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protected override void WenOnPaint(Graphics g, Rectangle rec, PaintEventArgs e)
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{
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base.WenOnPaint(g, rec, e);
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Rectangle reck = new Rectangle(0, 0, Width - 1, Height - 1);
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if (IsMouseOver || textBox.Focused)
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g.DrawRectangle(new Pen(HotColor), reck);
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else
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g.DrawRectangle(new Pen(BorderColor), reck);
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if (ButtonImage != null)
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{
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Rectangle recImage = new Rectangle(this.Width - textBox.Height - 6, 4, textBox.Height, textBox.Height);
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if (ButtonImageMouseOver)
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{
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Rectangle recImageBack = new Rectangle(this.Width - textBox.Height - 10, 0, textBox.Height + 10, this.Height);
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g.FillRectangle(new SolidBrush(this.HotColor), recImageBack);
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}
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g.DrawImage(ButtonImage, recImage);
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}
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}
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#endregion
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}
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}
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