Find/Replace logic and fix to Copy/Paste of linked text

PROMS/Volian.Controls.Library/StepRTB.cs

@@ -1349,6 +1349,42 @@ namespace Volian.Controls.Library
 					break;
 			}
 		}
+
+		private string GetSelectedDisplayableText()
+		{
+			StepRTB srtb = new StepRTB();
+			srtb.Rtf = this.SelectedRtf.Replace(@"\u8209?", "-");
+			string rtnstr = "";
+			string ctxt = srtb.Text;//this.SelectedText;
+			if (ctxt.EndsWith("<START]"))
+				ctxt = ctxt.Substring(0, ctxt.Length - 7);
+			int idx = 0;
+			int strtidx = ctxt.IndexOf("<START]");
+			int lnkidx = ctxt.IndexOf("#Link");
+			int endidx = ctxt.IndexOf("[END>");
+			if ((strtidx == -1 || strtidx > lnkidx) && lnkidx > -1 && endidx > -1)
+			{
+				rtnstr += ctxt.Substring(idx, lnkidx);
+				idx = endidx + 5;
+				strtidx = ctxt.IndexOf("<START]", idx);
+				lnkidx = ctxt.IndexOf("#Link:", idx);
+				endidx = ctxt.IndexOf("[END>", idx);
+			}
+			while (strtidx > -1)
+			{
+				rtnstr += ctxt.Substring(idx, strtidx - idx);
+				idx = strtidx + 7;
+				rtnstr += ctxt.Substring(idx, lnkidx - idx);
+				idx = endidx + 5;
+				strtidx = ctxt.IndexOf("<START]", idx);
+				lnkidx = ctxt.IndexOf("#Link:", idx);
+				endidx = ctxt.IndexOf("[END>", idx);
+			}
+			if (idx < ctxt.Length)
+				rtnstr += ctxt.Substring(idx);
+			return rtnstr;
+		}
+
 		private bool IsControlChar = false;
 		private bool _SendBackSpace = false;
 		void StepRTB_KeyDown(object sender, KeyEventArgs e)
@@ -1358,6 +1394,16 @@ namespace Volian.Controls.Library
 				IsControlChar = true;
 				switch (e.KeyCode)
 				{
+					case Keys.X: //ctrl-X
+					case Keys.C: //ctrl-C
+						// handle the clipboard copy and cut when a Transition or RO is selected
+						// For now, we are coping/cutting just the displayed text to the clipboard (like 16-bit VE-PROMS)
+						Clipboard.SetText(GetSelectedDisplayableText());
+						e.Handled = true;
+						e.SuppressKeyPress = true;
+						if (e.KeyCode == Keys.X) // cut to clipboard - delete the selected text
+							HandleDeleteKeyWithSelectedText(e, null);
+						break;
 					case Keys.V:
 						IDataObject iData = Clipboard.GetDataObject();
 						if (!iData.GetDataPresent(DataFormats.Text) && !iData.GetDataPresent(DataFormats.Rtf))
@@ -1813,8 +1859,28 @@ namespace Volian.Controls.Library
 			}
 			return null;
 		}
+		public DialogResult ReplaceText(string rpltxt, string fndstr, bool caseSensitive, bool matchWholeWord, bool reverse, bool prompt, IWin32Window fndrpldlg)
+		{
+			DialogResult dlgrslt = DialogResult.Yes;
+			if (SelectionLength > 0)
+			{
+				if (IsSelectionLinked(SelectionStart, SelectionLength))
+				{
+					MessageBox.Show(fndrpldlg,"Cannot replace linked text!", "Find/Replace");
+					dlgrslt = DialogResult.No;
+				}
+				else
+				{
+					if (prompt)
+						dlgrslt = MessageBox.Show(fndrpldlg,"Replace This Occurence?", "Replace Text", MessageBoxButtons.YesNoCancel);
+					if (dlgrslt == DialogResult.Yes)
+						SelectedText = rpltxt;
+				}
+			}
+			return dlgrslt;
+		}
 		private RichTextBoxFinds _FindOptions = RichTextBoxFinds.None;
-		public void FindText(string str, bool caseSensitive, bool matchWholeWord, bool reverse)
+		public bool FindText(string str, bool caseSensitive, bool matchWholeWord, bool reverse)
 		{
 			StepRTB savRTF = new StepRTB();
 			int startpos = SelectionStart + SelectionLength;
@@ -1831,12 +1897,12 @@ namespace Volian.Controls.Library
 				savRTF.Text = this.Text.Substring(0, SelectionStart);
 				startpos = savRTF.Text.Length;
 				if (startpos == 0)
-					return; // at beginning of rtfbox during a reverse find
+					return false; // at beginning of rtfbox during a reverse find
 			}
 			else
 			{
 				if (startpos >= savRTF.Text.Length)
-					return; // at end of rtfbox during a forward find
+					return false; // at end of rtfbox during a forward find
 			}
 			// look for the find string in the temporary rtfbox
 			// then set the cursor selection in the real rtfbox
@@ -1865,7 +1931,10 @@ namespace Volian.Controls.Library
 						SelectionLength = str.Length;
 					}
 				}
+				else
+					return false;
 			}
+			return true;
 		}
 		private int FindStart()
 		{
@@ -2493,6 +2562,63 @@ namespace Volian.Controls.Library
 			if (NextLink != null)
 				Console.WriteLine("LinkLocation: {0}.NextLink {1}", str, NextLink);
 		}
+	//    #region ClipboardHandler
+	//    private const int WM_CUT = 0x0300;
+	//    private const int WM_COPY = 0x0301;
+	//    private const int WM_PASTE = 0x0302;
+
+	//    public delegate void ClipboardEventHandler(object sender, ClipboardEventArgs e);
+
+	//    [Category("Clipboard")]
+	//    public event ClipboardEventHandler CutText;
+	//    [Category("Clipboard")]
+	//    public event ClipboardEventHandler CopiedText;
+	//    [Category("Clipboard")]
+	//    public event ClipboardEventHandler PastedText;
+
+	//    protected override void WndProc(ref Message m)
+	//    {
+	//        if (m.Msg == WM_CUT)
+	//        {
+	//            if (CutText != null)
+	//                CutText(this, new ClipboardEventArgs(this.SelectedText));
+	//        }
+	//        else if (m.Msg == WM_COPY)
+	//        {
+	//            if (CopiedText != null)
+	//                CopiedText(this, new ClipboardEventArgs(this.SelectedText));
+	//        }
+	//        else if (m.Msg == WM_PASTE)
+	//        {
+	//            if (PastedText != null)
+	//                PastedText(this, new ClipboardEventArgs(Clipboard.GetText()));
+	//        }
+
+	//        base.WndProc(ref m);
+	//    }
+	//}
+
+	//public class ClipboardEventArgs : EventArgs
+	//{
+	//    private string clipboardText;
+	//    public string ClipboardText
+	//    {
+	//        get
+	//        {
+	//            return clipboardText;
+	//        }
+
+	//        set
+	//        {
+	//            clipboardText = value;
+	//        }
+	//    }
+
+	//    public ClipboardEventArgs(string clipboardText)
+	//    {
+	//        this.clipboardText = clipboardText;
+	//    }
+	//    #endregion
 
 	}
 	#endregion