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‎ST.Library.UI/NodeEditor/FrmNodePreviewPanel.cs‎

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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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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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using System.Runtime.InteropServices;
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namespace ST.Library.UI.NodeEditor
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{
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internal class FrmNodePreviewPanel : Form
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{
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public Color BorderColor { get; set; }
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public bool AutoBorderColor { get; set; }
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private bool m_bRight;
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private Point m_ptHandle;
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private int m_nHandleSize;
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private Rectangle m_rect_handle;
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private Rectangle m_rect_panel;
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private Rectangle m_rect_exclude;
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private Region m_region;
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private Type m_type;
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private STNode m_node;
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private STNodeEditor m_editor;
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private STNodePropertyGrid m_property;
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private Pen m_pen = new Pen(Color.Black);
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private SolidBrush m_brush = new SolidBrush(Color.Black);
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private static FrmNodePreviewPanel m_last_frm;
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[DllImport("user32.dll")]
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private static extern int SetWindowRgn(IntPtr hWnd, IntPtr hRgn, bool bRedraw);
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public FrmNodePreviewPanel(Type stNodeType, Point ptHandle, int nHandleSize, bool bRight, STNodeEditor editor, STNodePropertyGrid propertyGrid) {
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this.SetStyle(ControlStyles.UserPaint, true);
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this.SetStyle(ControlStyles.ResizeRedraw, true);
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this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
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this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
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if (m_last_frm != null) m_last_frm.Close();
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m_last_frm = this;
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m_editor = editor;
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m_property = propertyGrid;
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m_editor.Size = new Size(200, 200);
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m_property.Size = new Size(200, 200);
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m_editor.Location = new Point(1 + (bRight ? nHandleSize : 0), 1);
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m_property.Location = new Point(m_editor.Right, 1);
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m_property.InfoFirstOnDraw = true;
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this.Controls.Add(m_editor);
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this.Controls.Add(m_property);
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this.ShowInTaskbar = false;
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this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
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this.Size = new Size(402 + nHandleSize, 202);
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m_type = stNodeType;
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m_ptHandle = ptHandle;
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m_nHandleSize = nHandleSize;
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m_bRight = bRight;
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this.AutoBorderColor = true;
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this.BorderColor = Color.DodgerBlue;
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}
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protected override void OnLoad(EventArgs e) {
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base.OnLoad(e);
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m_node = (STNode)Activator.CreateInstance(m_type);
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m_node.Left = 20; m_node.Top = 20;
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m_editor.Nodes.Add(m_node);
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m_property.SetNode(m_node);
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m_rect_panel = new Rectangle(0, 0, 402, 202);
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m_rect_handle = new Rectangle(m_ptHandle.X, m_ptHandle.Y, m_nHandleSize, m_nHandleSize);
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m_rect_exclude = new Rectangle(0, m_nHandleSize, m_nHandleSize, this.Height - m_nHandleSize);
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if (m_bRight) {
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this.Left = m_ptHandle.X;
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m_rect_panel.X = m_ptHandle.X + m_nHandleSize;
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} else {
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this.Left = m_ptHandle.X - this.Width + m_nHandleSize;
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m_rect_exclude.X = this.Width - m_nHandleSize;
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m_rect_panel.X = this.Left;
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}
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if (m_ptHandle.Y + this.Height > Screen.GetWorkingArea(this).Bottom) {
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this.Top = m_ptHandle.Y - this.Height + m_nHandleSize;
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m_rect_exclude.Y -= m_nHandleSize;
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} else this.Top = m_ptHandle.Y;
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m_rect_panel.Y = this.Top;
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m_region = new Region(new Rectangle(Point.Empty, this.Size));
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m_region.Exclude(m_rect_exclude);
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using (Graphics g = this.CreateGraphics()) {
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IntPtr h = m_region.GetHrgn(g);
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FrmNodePreviewPanel.SetWindowRgn(this.Handle, h, false);
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m_region.ReleaseHrgn(h);
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}
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this.MouseLeave += Event_MouseLeave;
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m_editor.MouseLeave += Event_MouseLeave;
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m_property.MouseLeave += Event_MouseLeave;
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this.BeginInvoke(new MethodInvoker(() => {
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m_property.Focus();
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}));
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}
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protected override void OnClosing(CancelEventArgs e) {
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base.OnClosing(e);
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this.Controls.Clear();
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m_editor.Nodes.Clear();
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m_editor.MouseLeave -= Event_MouseLeave;
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m_property.MouseLeave -= Event_MouseLeave;
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m_last_frm = null;
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}
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void Event_MouseLeave(object sender, EventArgs e) {
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Point pt = Control.MousePosition;
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if (m_rect_panel.Contains(pt) || m_rect_handle.Contains(pt)) return;
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this.Close();
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}
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protected override void OnPaint(PaintEventArgs e) {
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base.OnPaint(e);
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Graphics g = e.Graphics;
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m_pen.Color = this.AutoBorderColor ? m_node.TitleColor : this.BorderColor;
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m_brush.Color = m_pen.Color;
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g.DrawRectangle(m_pen, 0, 0, this.Width - 1, this.Height - 1);
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g.FillRectangle(m_brush, m_rect_exclude.X - 1, m_rect_exclude.Y - 1, m_rect_exclude.Width + 2, m_rect_exclude.Height + 2);
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Rectangle rect = this.RectangleToClient(m_rect_handle);
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rect.Y = (m_nHandleSize - 14) / 2;
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rect.X += rect.Y + 1;
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rect.Width = rect.Height = 14;
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m_pen.Width = 2;
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g.DrawLine(m_pen, rect.X + 4, rect.Y + 3, rect.X + 10, rect.Y + 3);
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g.DrawLine(m_pen, rect.X + 4, rect.Y + 6, rect.X + 10, rect.Y + 6);
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g.DrawLine(m_pen, rect.X + 4, rect.Y + 11, rect.X + 10, rect.Y + 11);
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g.DrawLine(m_pen, rect.X + 7, rect.Y + 7, rect.X + 7, rect.Y + 10);
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m_pen.Width = 1;
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g.DrawRectangle(m_pen, rect.X, rect.Y, rect.Width - 1, rect.Height - 1);
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}
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}
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}

‎ST.Library.UI/NodeEditor/FrmSTNodePropertyInput.cs‎

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using System;
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using System.Collections.Generic;
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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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using System.Drawing;
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using ST.Library.UI.NodeEditor;
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namespace ST.Library.UI
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{
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internal class FrmSTNodePropertyInput : Form
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{
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private STNodePropertyDescriptor m_descriptor;
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private Rectangle m_rect;
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private Pen m_pen;
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private SolidBrush m_brush;
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private TextBox m_tbx;
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public FrmSTNodePropertyInput(STNodePropertyDescriptor descriptor) {
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this.SetStyle(ControlStyles.UserPaint, true);
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this.SetStyle(ControlStyles.ResizeRedraw, true);
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this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
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this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
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m_rect = descriptor.RectangleR;
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m_descriptor = descriptor;
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this.ShowInTaskbar = false;
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this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
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this.BackColor = descriptor.Control.AutoColor ? descriptor.Node.TitleColor : descriptor.Control.ItemSelectedColor;
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m_pen = new Pen(descriptor.Control.ForeColor, 1);
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m_brush = new SolidBrush(this.BackColor);
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}
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protected override void OnLoad(EventArgs e) {
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base.OnLoad(e);
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Point pt = m_descriptor.Control.PointToScreen(m_rect.Location);
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pt.Y += m_descriptor.Control.ScrollOffset;
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this.Location = pt;
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this.Size = new System.Drawing.Size(m_rect.Width + m_rect.Height, m_rect.Height);
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m_tbx = new TextBox();
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m_tbx.Font = m_descriptor.Control.Font;
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m_tbx.ForeColor = m_descriptor.Control.ForeColor;
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m_tbx.BackColor = Color.FromArgb(255, m_descriptor.Control.ItemValueBackColor);
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m_tbx.BorderStyle = BorderStyle.None;
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m_tbx.Size = new Size(this.Width - 4 - m_rect.Height, this.Height - 2);
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m_tbx.Text = m_descriptor.GetStringFromValue();
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this.Controls.Add(m_tbx);
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m_tbx.Location = new Point(2, (this.Height - m_tbx.Height) / 2);
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m_tbx.SelectAll();
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m_tbx.LostFocus += (s, ea) => this.Close();
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m_tbx.KeyDown += new KeyEventHandler(tbx_KeyDown);
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}
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protected override void OnPaint(PaintEventArgs e) {
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base.OnPaint(e);
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Graphics g = e.Graphics;
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m_brush.Color = m_tbx.BackColor;
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g.FillRectangle(m_brush, 1, 1, this.Width - 2 - m_rect.Height, this.Height - 2);
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m_brush.Color = m_descriptor.Control.ForeColor;
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//Enter
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g.FillPolygon(m_brush, new Point[]{
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new Point(this.Width - 21, this.Height - 2),
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new Point(this.Width - 14, this.Height - 2),
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new Point(this.Width - 14, this.Height - 8)
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});
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g.DrawLine(m_pen, this.Width - 14, this.Height - 3, this.Width - 4, this.Height - 3);
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g.DrawLine(m_pen, this.Width - 4, this.Height - 3, this.Width - 4, 14);
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g.DrawLine(m_pen, this.Width - 8, 13, this.Width - 4, 13);
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//----
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g.DrawLine(m_pen, this.Width - 19, 11, this.Width - 4, 11);
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//E
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g.DrawLine(m_pen, this.Width - 19, 3, this.Width - 16, 3);
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g.DrawLine(m_pen, this.Width - 19, 6, this.Width - 16, 6);
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g.DrawLine(m_pen, this.Width - 19, 9, this.Width - 16, 9);
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g.DrawLine(m_pen, this.Width - 19, 3, this.Width - 19, 9);
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//S
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g.DrawLine(m_pen, this.Width - 13, 3, this.Width - 10, 3);
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g.DrawLine(m_pen, this.Width - 13, 6, this.Width - 10, 6);
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g.DrawLine(m_pen, this.Width - 13, 9, this.Width - 10, 9);
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g.DrawLine(m_pen, this.Width - 13, 3, this.Width - 13, 6);
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g.DrawLine(m_pen, this.Width - 10, 6, this.Width - 10, 9);
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//C
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g.DrawLine(m_pen, this.Width - 7, 3, this.Width - 4, 3);
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g.DrawLine(m_pen, this.Width - 7, 9, this.Width - 4, 9);
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g.DrawLine(m_pen, this.Width - 7, 3, this.Width - 7, 9);
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}
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void tbx_KeyDown(object sender, KeyEventArgs e) {
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if (e.KeyCode == Keys.Escape) this.Close();
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if (e.KeyCode != Keys.Enter) return;
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try {
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m_descriptor.SetValue(((TextBox)sender).Text, null);
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m_descriptor.Control.Invalidate();//add rect;
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} catch (Exception ex) {
99+
m_descriptor.OnSetValueError(ex);
100+
}
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this.Close();
102+
}
103+
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private void InitializeComponent() {
105+
this.SuspendLayout();
106+
//
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// FrmSTNodePropertyInput
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//
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this.ClientSize = new System.Drawing.Size(292, 273);
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this.Name = "FrmSTNodePropertyInput";
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this.ResumeLayout(false);
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}
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}
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}

‎ST.Library.UI/NodeEditor/FrmSTNodePropertySelect.cs‎

Lines changed: 116 additions & 0 deletions
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using System;
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using System.Collections.Generic;
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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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using System.Drawing;
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namespace ST.Library.UI.NodeEditor
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{
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internal class FrmSTNodePropertySelect : Form
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{
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private STNodePropertyDescriptor m_descriptor;
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private int m_nItemHeight = 25;
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private static Type m_t_bool = typeof(bool);
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private Pen m_pen;
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private SolidBrush m_brush;
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private StringFormat m_sf;
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private Color m_clr_item_1 = Color.FromArgb(10, 0, 0, 0);// Color.FromArgb(255, 40, 40, 40);
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private Color m_clr_item_2 = Color.FromArgb(10, 255, 255, 255);// Color.FromArgb(255, 50, 50, 50);
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private object m_item_hover;
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public FrmSTNodePropertySelect(STNodePropertyDescriptor descriptor) {
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this.SetStyle(ControlStyles.UserPaint, true);
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this.SetStyle(ControlStyles.ResizeRedraw, true);
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this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
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this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
30+
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m_descriptor = descriptor;
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this.Size = descriptor.RectangleR.Size;
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this.ShowInTaskbar = false;
34+
this.BackColor = descriptor.Control.BackColor;
35+
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
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m_pen = new Pen(descriptor.Control.AutoColor ? descriptor.Node.TitleColor : descriptor.Control.ItemSelectedColor, 1);
37+
m_brush = new SolidBrush(this.BackColor);
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m_sf = new StringFormat();
39+
m_sf.LineAlignment = StringAlignment.Center;
40+
m_sf.FormatFlags = StringFormatFlags.NoWrap;
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}
42+
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private List<object> m_lst_item = new List<object>();
44+
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protected override void OnLoad(EventArgs e) {
46+
base.OnLoad(e);
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Point pt = m_descriptor.Control.PointToScreen(m_descriptor.RectangleR.Location);
48+
pt.Y += m_descriptor.Control.ScrollOffset;
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this.Location = pt;
50+
if (m_descriptor.PropertyInfo.PropertyType.IsEnum) {
51+
foreach (var v in Enum.GetValues(m_descriptor.PropertyInfo.PropertyType)) m_lst_item.Add(v);
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} else if (m_descriptor.PropertyInfo.PropertyType == m_t_bool) {
53+
m_lst_item.Add(true);
54+
m_lst_item.Add(false);
55+
} else {
56+
this.Close();
57+
return;
58+
}
59+
this.Height = m_lst_item.Count * m_nItemHeight;
60+
Rectangle rect = Screen.GetWorkingArea(this);
61+
if (this.Bottom > rect.Bottom) this.Top -= (this.Bottom - rect.Bottom);
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this.MouseLeave += (s, ea) => this.Close();
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this.LostFocus += (s, ea) => this.Close();
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}
65+
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protected override void OnPaint(PaintEventArgs e) {
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base.OnPaint(e);
68+
Graphics g = e.Graphics;
69+
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
70+
Rectangle rect_back = new Rectangle(0, 0, this.Width, m_nItemHeight);
71+
Rectangle rect_font = new Rectangle(10, 0, this.Width - 13, m_nItemHeight);
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int nIndex = 0;
73+
string strVal = m_descriptor.GetStringFromValue();
74+
foreach (var v in m_lst_item) {
75+
m_brush.Color = nIndex++ % 2 == 0 ? m_clr_item_1 : m_clr_item_2;
76+
g.FillRectangle(m_brush, rect_back);
77+
if (v == m_item_hover) {
78+
m_brush.Color = m_descriptor.Control.ItemHoverColor;
79+
g.FillRectangle(m_brush, rect_back);
80+
}
81+
if (v.ToString() == strVal) {
82+
m_brush.Color = m_descriptor.Control.ItemSelectedColor;
83+
g.FillRectangle(m_brush, 4, rect_back.Top + 10, 5, 5);
84+
}
85+
m_brush.Color = m_descriptor.Control.ForeColor;
86+
g.DrawString(v.ToString(), m_descriptor.Control.Font, m_brush, rect_font, m_sf);
87+
rect_back.Y += m_nItemHeight;
88+
rect_font.Y += m_nItemHeight;
89+
}
90+
g.DrawRectangle(m_pen, 0, 0, this.Width - 1, this.Height - 1);
91+
}
92+
93+
protected override void OnMouseMove(MouseEventArgs e) {
94+
base.OnMouseMove(e);
95+
int nIndex = e.Y / m_nItemHeight;
96+
if (nIndex < 0 || nIndex >= m_lst_item.Count) return;
97+
var item = m_lst_item[e.Y / m_nItemHeight];
98+
if (m_item_hover == item) return;
99+
m_item_hover = item;
100+
this.Invalidate();
101+
}
102+
103+
protected override void OnMouseClick(MouseEventArgs e) {
104+
base.OnMouseClick(e);
105+
this.Close();
106+
int nIndex = e.Y / m_nItemHeight;
107+
if (nIndex < 0) return;
108+
if (nIndex > m_lst_item.Count) return;
109+
try {
110+
m_descriptor.SetValue(m_lst_item[nIndex], null);
111+
} catch (Exception ex) {
112+
m_descriptor.OnSetValueError(ex);
113+
}
114+
}
115+
}
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}

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