291 lines
12 KiB
C#
291 lines
12 KiB
C#
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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.Drawing;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using my.utils;
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using System.Drawing.Drawing2D;
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namespace SzNPProjects.TextBox
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{
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public partial class MSGerTextBox : UserControl
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{ //2015.06.06. - TO!DO: Kurzor megjelenítése, tulajdonságok kezelése (Font), képek kezelése
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private LineRenderer linerenderer; //2015.06.10.
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public MSGerTextBox()
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{ //TO!DO: WordWrap
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InitializeComponent();
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Lines.Add("");
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linerenderer = new LineRenderer(panel1); //2015.06.10.
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panel1.Paint += OnPanelPaint; //2015.06.10.
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CursorRendererTimer.Tick += OnCursorRender; //2015.06.11.
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CursorRendererTimer.Interval = SystemInformation.CaretBlinkTime; //2015.06.11.
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CursorRendererTimer.Start(); //2015.06.11.
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}
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public override string Text
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{
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get
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{
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return Lines.Aggregate((entry1, entry2) => entry1 + "\n" + entry2);
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}
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set
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{
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var results = Diff.DiffText(Lines.Aggregate((entry1, entry2) => entry1 + "\n" + entry2), value, false, false, false);
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List<int> changedlines = new List<int>();
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string[] vlines = value.Split(new char[] { '\n', '\r' }); //Itt az Enter-t \r jelzi
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if (vlines.Length > Lines.Count)
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lines.Add("");
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for (int i = 0; i < results.Length; i++)
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{
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var result = results[i];
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if (result.deletedA > result.insertedB)
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lines.RemoveAt(result.StartA);
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if (result.StartA >= 0 && result.StartA < Lines.Count && result.StartB >= 0 && result.StartB < vlines.Length) //<-- 2015.06.10.
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Lines[result.StartA] = vlines[result.StartB];
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}
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//RefreshControls(changedlines); //TODO: Event handler-eket a BindingList-hoz, és ezt átrakni oda
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//linerenderer.Render(); //2015.06.10.
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//this.Refresh(); //2015.06.10.
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panel1.Text = this.Text; //2015.06.10.
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panel1.Refresh(); //2015.06.10.
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}
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}
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private BindingList<string> lines = new BindingList<string>();
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public BindingList<string> Lines
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{
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get
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{
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return lines;
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}
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set
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{
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lines = value;
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//RefreshControls(new int[] { });
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this.Refresh(); //2015.06.10.
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}
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}
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//public int CursorPosition { get; set; }
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private int currentline;
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public int CurrentLine
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{
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get
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{
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return currentline;
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}
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set
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{
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if (value >= Lines.Count)
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Lines.Add("");
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currentline = value;
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}
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}
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private bool wordwrap; //2015.06.11.
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public bool WordWrap
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{ //2015.06.11.
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get
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{
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return wordwrap;
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}
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set
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{
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wordwrap = value;
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panel1.Refresh();
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}
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}
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private int cursorposition; //2015.06.11.
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public int CursorPosition
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{ //2015.06.11.
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get
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{
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return cursorposition;
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}
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set
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{
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cursorposition = value;
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panel1.Refresh();
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}
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}
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public Dictionary<string, Image> Emoticons = new Dictionary<string, Image>();
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/*private List<Label> labels = new List<Label>();
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private void RefreshControls(IEnumerable<int> changedlines)
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{
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int y = Lines.Count - 1;
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while (Lines.Count > labels.Count)
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CreateLabel(y++);
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if (changedlines.Count() == 0)
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{
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for(int i=0; i<Lines.Count; i++)
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{
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labels[i].Text = Lines[i];
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}
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}
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foreach (int item in changedlines)
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{
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if (item >= labels.Count)
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CreateLabel(item);
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while (item >= lines.Count)
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lines.Add("");
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labels[item].Text = Lines[item];
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}
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}
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private Label CreateLabel(int y)
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{
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using (Graphics g = this.CreateGraphics())
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{
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var label = new Label { Location = new Point(0, y * (int)(Font.SizeInPoints * g.DpiX / 72)), AutoSize = true };
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labels.Add(label);
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this.Controls.Add(label);
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return label;
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}
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}*/
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private void MSGerTextBox_KeyPress(object sender, KeyPressEventArgs e)
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{
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//Lines[CurrentLine] += e.KeyChar;
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TextChangedToPaint = true; //2015.06.14.
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if (e.KeyChar != '\n' && e.KeyChar != '\r') //2015.06.11.
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cursorposition++; //2015.06.11.
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else //2015.06.11.
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{ //2015.06.11.
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cursorposition = 0;
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currentline++;
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}
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this.Text += e.KeyChar;
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//RefreshControls(new int[] { CurrentLine });
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}
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/*protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
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{
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if (keyData == Keys.Enter)
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CurrentLine++;
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if (char.IsLetterOrDigit((char)keyData) || char.IsSymbol((char)keyData))
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{
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//lines[CurrentLine] += (char)keyData;
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//char[] c = Encoding.Unicode.GetChars(Encoding.Convert(Encoding.ASCII, Encoding.Unicode, Encoding.ASCII.GetBytes(new char[] { (char)keyData })));
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//lines[CurrentLine] += c[0];
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*var converter = new KeysConverter();
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lines[CurrentLine] += converter.ConvertToInvariantString(keyData);*
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//lines[CurrentLine] += new string(new char[] { (char)keyData });
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this.Text += (char)keyData;
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RefreshControls(new int[] { CurrentLine });
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}
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else if(false)
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{
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}
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return base.ProcessCmdKey(ref msg, keyData);
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}*/
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private bool TextChangedToPaint = false; //2015.06.14.
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//protected override void OnPaint(PaintEventArgs e)
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public void OnPanelPaint(object sender, PaintEventArgs e)
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{ //2015.06.10.
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//base.OnPaint(e);
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var gr = linerenderer.Render(WordWrap);
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SizeF size;
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/*if (cursorposition == 16) //2015.06.11.
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Console.WriteLine(); //2015.06.11.*/
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string linebefrorecursor = lines[currentline].Substring(0, cursorposition); //2015.06.11.
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if (linebefrorecursor.Length == 0)
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linebefrorecursor = " "; //2015.06.11.
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if (wordwrap) //2015.06.11.
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size = gr.MeasureString(linebefrorecursor, this.Font, panel1.Width); //2015.06.11.
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else //2015.06.11.
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size = gr.MeasureString(linebefrorecursor, this.Font); //2015.06.11.
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//this.HorizontalScroll.Maximum = panel1.Width; //2015.06.11.
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//this.VerticalScroll.Maximum = panel1.Height; //2015.06.11.
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if (TextChangedToPaint)
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{
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this.HorizontalScroll.Value = ((int)size.Width / panel1.Width) * this.HorizontalScroll.Maximum; //2015.06.11.
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//this.VerticalScroll.Value = this.Height; //2015.06.11.
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this.VerticalScroll.Value = ((int)(size.Height * lines.Count) / panel1.Height) * this.VerticalScroll.Maximum; //2015.06.11. //TODO: Ne állítsa be minden rajzoláskor
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//TO!DO: size.Height * lines.Count helyett mérje meg az előző sorok magasságát a sortörések miatt (if(wordwrap))
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CursorRenderPosition1 = new Point((int)size.Width, 0); //2015.06.11. //TODO
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CursorRenderPosition2 = new Point((int)size.Width, (int)size.Height); //2015.06.11.
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TextChangedToPaint = false; //2015.06.14.
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}
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}
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private Timer CursorRendererTimer = new Timer(); //2015.06.11.
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private bool CursorRendered = false; //2015.06.11.
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private Point CursorRenderPosition1; //2015.06.11.
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private Point CursorRenderPosition2; //2015.06.11.
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private void OnCursorRender(object sender, EventArgs e)
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{ //2015.06.11.
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using (var gr = panel1.CreateGraphics())
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{
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if (CursorRenderPosition1.IsEmpty || CursorRenderPosition2.IsEmpty)
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return;
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Color color;
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if (!CursorRendered)
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{
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color = this.ForeColor;
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}
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else
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{
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color = this.BackColor;
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}
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gr.DrawLine(new Pen(new SolidBrush(color), SystemInformation.CaretWidth), CursorRenderPosition1, CursorRenderPosition2);
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CursorRendered = !CursorRendered;
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}
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}
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private class LineRenderer
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{
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//public string Text { get; set; }
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public Control OwnerControl { get; private set; } //2015.06.10.
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private Graphics Graphics; //2015.06.10.
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public Graphics Render(bool wordwrap)
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{ //2015.06.10.
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//TO!DO
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//Console.WriteLine("Strlen: " + OwnerControl.Text.Length); //2015.06.11.
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if (Graphics == null)
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Graphics = OwnerControl.CreateGraphics();
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/*Graphics.ResetClip(); //2015.06.11.
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Graphics.Clip = new Region(OwnerControl.Bounds); //2015.06.11.
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Graphics.ResetClip(); //2015.06.11.*/
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Graphics.Clear(OwnerControl.BackColor);
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//Graphics.DrawString(OwnerControl.Text, OwnerControl.Font, new LinearGradientBrush(new Point(OwnerControl.Size.Width / 4 * 1, OwnerControl.Size.Height / 4 * 1), new Point(OwnerControl.Size.Width / 4 * 3, OwnerControl.Size.Height / 4 * 3), Color.Black, Color.Blue), OwnerControl.Bounds, new StringFormat { Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Near });
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SizeF strsize;
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if (wordwrap) //2015.06.11.
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strsize = Graphics.MeasureString(OwnerControl.Text, OwnerControl.Font, OwnerControl.Width);
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else
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strsize = Graphics.MeasureString(OwnerControl.Text, OwnerControl.Font); //2015.06.11.
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//Console.WriteLine("strsize: " + strsize);
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/*float linecountf = strsize.Width / OwnerControl.Width;
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if (linecountf - (int)linecountf > 0)
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linecountf++;*/
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if ((int)strsize.Width > OwnerControl.Width)
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OwnerControl.Width = (int)strsize.Width;
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if ((int)strsize.Height > OwnerControl.Height)
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OwnerControl.Height = (int)strsize.Height;
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Graphics.Dispose(); //2015.06.11.
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Graphics = OwnerControl.CreateGraphics(); //2015.06.11.
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if (!strsize.IsEmpty)
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Graphics.DrawString(OwnerControl.Text, OwnerControl.Font,
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new LinearGradientBrush(new RectangleF(new PointF(), strsize),
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Color.Black, Color.Blue, LinearGradientMode.Horizontal),
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new RectangleF(new PointF(), strsize),
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new StringFormat { Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Near });
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//TO!DO: Ténylegesen soronként renderelje, a sortörést a MeasureString-nél ki lehetne használni, és utána külön sornak venni rendereléskor
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return Graphics;
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}
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public LineRenderer(Control control)
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{
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OwnerControl = control;
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}
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}
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}
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}
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