protected void OnDragOver(object sender, DragEventArgs e) { if (!textArea.Focused) { textArea.Focus(); } Point p = textArea.PointToClient(new Point(e.X, e.Y)); if (textArea.TextView.DrawingPosition.Contains(p.X, p.Y)) { TextLocation realmousepos = textArea.TextView.GetLogicalPosition(p.X - textArea.TextView.DrawingPosition.X, p.Y - textArea.TextView.DrawingPosition.Y); int lineNr = Math.Min(textArea.Document.TotalNumberOfLines - 1, Math.Max(0, realmousepos.Y)); textArea.Caret.Position = new TextLocation(realmousepos.X, lineNr); textArea.SetDesiredColumn(); if (e.Data.GetDataPresent(typeof(string)) && !textArea.IsReadOnly(textArea.Caret.Offset)) { e.Effect = GetDragDropEffect(e); } else { e.Effect = DragDropEffects.None; } } else { e.Effect = DragDropEffects.None; } }
public void JumpTo(int line, int column) { textArea.Focus(); textArea.SelectionManager.ClearSelection(); textArea.Caret.Position = new TextLocation(column, line); textArea.SetDesiredColumn(); ScrollToCaret(); }
void OnMouseDown(object sender, MouseEventArgs e) { Point mousepos; textArea.mousepos = e.Location; mousepos = e.Location; if (dodragdrop) { return; } if (doubleclick) { doubleclick = false; return; } if (textArea.TextView.DrawingPosition.Contains(mousepos.X, mousepos.Y)) { gotmousedown = true; textArea.SelectionManager.selectFrom.where = WhereFrom.TArea; button = e.Button; // double-click if (button == MouseButtons.Left && e.Clicks == 2) { int deltaX = Math.Abs(lastmousedownpos.X - e.X); int deltaY = Math.Abs(lastmousedownpos.Y - e.Y); if (deltaX <= SystemInformation.DoubleClickSize.Width && deltaY <= SystemInformation.DoubleClickSize.Height) { DoubleClickSelectionExtend(); lastmousedownpos = new Point(e.X, e.Y); if (textArea.SelectionManager.selectFrom.where == WhereFrom.Gutter) { if (!minSelection.IsEmpty && !maxSelection.IsEmpty && textArea.SelectionManager.SelectionCollection.Count > 0) { textArea.SelectionManager.SelectionCollection[0].StartPosition = minSelection; textArea.SelectionManager.SelectionCollection[0].EndPosition = maxSelection; textArea.SelectionManager.SelectionStart = minSelection; minSelection = TextLocation.Empty; maxSelection = TextLocation.Empty; } } return; } } minSelection = TextLocation.Empty; maxSelection = TextLocation.Empty; lastmousedownpos = mousedownpos = new Point(e.X, e.Y); if (button == MouseButtons.Left) { FoldMarker marker = textArea.TextView.GetFoldMarkerFromPosition(mousepos.X - textArea.TextView.DrawingPosition.X, mousepos.Y - textArea.TextView.DrawingPosition.Y); if (marker != null && marker.IsFolded) { if (textArea.SelectionManager.HasSomethingSelected) { clickedOnSelectedText = true; } TextLocation startLocation = new TextLocation(marker.StartColumn, marker.StartLine); TextLocation endLocation = new TextLocation(marker.EndColumn, marker.EndLine); textArea.SelectionManager.SetSelection(new DefaultSelection(textArea.TextView.Document, startLocation, endLocation)); textArea.Caret.Position = startLocation; textArea.SetDesiredColumn(); textArea.Focus(); return; } if ((Control.ModifierKeys & Keys.Shift) == Keys.Shift) { ExtendSelectionToMouse(); } else { TextLocation realmousepos = textArea.TextView.GetLogicalPosition(mousepos.X - textArea.TextView.DrawingPosition.X, mousepos.Y - textArea.TextView.DrawingPosition.Y); clickedOnSelectedText = false; int offset = textArea.Document.PositionToOffset(realmousepos); if (textArea.SelectionManager.HasSomethingSelected && textArea.SelectionManager.IsSelected(offset)) { clickedOnSelectedText = true; } else { textArea.SelectionManager.ClearSelection(); if (mousepos.Y > 0 && mousepos.Y < textArea.TextView.DrawingPosition.Height) { TextLocation pos = new TextLocation(); pos.Y = Math.Min(textArea.Document.TotalNumberOfLines - 1, realmousepos.Y); pos.X = realmousepos.X; textArea.Caret.Position = pos; textArea.SetDesiredColumn(); } } } } else if (button == MouseButtons.Right) { // Rightclick sets the cursor to the click position unless // the previous selection was clicked TextLocation realmousepos = textArea.TextView.GetLogicalPosition(mousepos.X - textArea.TextView.DrawingPosition.X, mousepos.Y - textArea.TextView.DrawingPosition.Y); int offset = textArea.Document.PositionToOffset(realmousepos); if (!textArea.SelectionManager.HasSomethingSelected || !textArea.SelectionManager.IsSelected(offset)) { textArea.SelectionManager.ClearSelection(); if (mousepos.Y > 0 && mousepos.Y < textArea.TextView.DrawingPosition.Height) { TextLocation pos = new TextLocation(); pos.Y = Math.Min(textArea.Document.TotalNumberOfLines - 1, realmousepos.Y); pos.X = realmousepos.X; textArea.Caret.Position = pos; textArea.SetDesiredColumn(); } } } } textArea.Focus(); }