private void tm_Tick(object sender, EventArgs e)
{
tm.Stop();
//get place under mouse
var place = fctb.PointToPlace(lastMouseCoord);
//check distance
var p = fctb.PlaceToPoint(place);
if (Math.Abs(p.X - lastMouseCoord.X) > fctb.CharWidth * 2 ||
Math.Abs(p.Y - lastMouseCoord.Y) > fctb.CharHeight * 2)
return;
//get word under mouse
var r = new Range(fctb, place, place);
string hoverWord = r.GetFragment("[a-zA-Z]").Text;
if (hoverWord == "")
return;
//show tooltip
string text = "Help for " + hoverWord;
tt.ToolTipTitle = hoverWord;
tt.SetToolTip(fctb, text);
tt.Show(text, fctb, new Point(lastMouseCoord.X, lastMouseCoord.Y + fctb.CharHeight));
}
private TFunc GetSelectedFunction()
{
Place place = fastColoredTextBox1.Selection.Start;
var r = new Range(fastColoredTextBox1, place, place);
string hoveredWord = r.GetFragment("[_a-zA-Z0-9]").Text;
ListViewItem itm = listView3.FindItemWithText(hoveredWord);
if (itm != null) return (itm.Tag as TFunc);
return null;
}
