private void richEditControl1_DragOver(object sender, DragEventArgs e)
{
if (!customDragDropTarget)
{
return;
}
Point docPoint = Units.PixelsToDocuments(richEditControl1.PointToClient(Form.MousePosition),
richEditControl1.DpiX, richEditControl1.DpiY);
DocumentPosition pos = richEditControl1.GetPositionFromPoint(docPoint);
if (pos == null)
{
return;
}
Rectangle rect = Units.DocumentsToPixels(richEditControl1.GetBoundsFromPosition(pos),
richEditControl1.DpiX, richEditControl1.DpiY);
richEditControl1.Document.CaretPosition = pos;
if (richEditGraphics == null)
{
richEditGraphics = richEditControl1.CreateGraphics();
}
rect.Width = 2;
richEditControl1.Refresh();
richEditGraphics.FillRectangle(Brushes.Blue, rect);
richEditControl1.ScrollToCaret();
}
private void RichEditControl_ContentChanged(object sender, EventArgs e)
{
int maxKeyLength = Math.Max(keyTextTable.Length, keyTextView.Length);
string text = Document.GetText(Document.CreateRange(Math.Max(0, Document.CaretPosition.ToInt() - maxKeyLength), maxKeyLength));
if (text.EndsWith(keyTextTable) || text.EndsWith(keyTextView))
{
if (text.EndsWith(keyTextTable))
{
userCommand = keyTextTable;
}
else if (text.EndsWith(keyTextView))
{
userCommand = keyTextView;
}
else
{
userCommand = string.Empty;
}
System.Drawing.Rectangle rect = reEditor.GetBoundsFromPosition(Document.CaretPosition);
System.Drawing.Rectangle localRect = Units.DocumentsToPixels(rect, reEditor.DpiX, reEditor.DpiY);
System.Drawing.Point localPoint = new System.Drawing.Point(localRect.Right, localRect.Bottom);
GeneralTransform generalTransform = this.TransformToVisual(reEditor);
Point point = generalTransform.Transform(new Point(localPoint.X, localPoint.Y));
reEditor.ShowMenu(point);
}
}
Point GetWindowLocation()
{
DocumentPosition position = this.richEdit.Document.CaretPosition;
System.Drawing.Rectangle rect = this.richEdit.GetBoundsFromPosition(position);
System.Drawing.Point location = new System.Drawing.Point(rect.Right, rect.Bottom);
System.Drawing.Point localPoint = Units.DocumentsToPixels(location, this.richEdit.DpiX, this.richEdit.DpiY);
return(new Point(localPoint.X, localPoint.Y));
}
//This method places the form to the right of the cursor position:
Point GetFormLocation()
{
DocumentPosition position = this.richEditControl1.Document.CaretPosition;
Rectangle rect = this.richEditControl1.GetBoundsFromPosition(position);
Point location = new Point(rect.Right, rect.Bottom);
Point localPoint = Units.DocumentsToPixels(location, this.richEditControl1.DpiX, this.richEditControl1.DpiY);
return(this.richEditControl1.PointToScreen(localPoint));
}
void richEditControl1_MouseUp(object sender, MouseEventArgs e)
{
if (richEditControl1.Document.Selection.Length != 0)
{
DocumentPosition documentPosition = richEditControl1.Document.CaretPosition;
Rectangle documentRectangle = richEditControl1.GetBoundsFromPosition(documentPosition);
Point documentPoint = new Point(documentRectangle.Left, documentRectangle.Bottom);
Point clientPoint = Units.DocumentsToPixels(documentPoint, richEditControl1.DpiX, richEditControl1.DpiY);
Point screenPoint = richEditControl1.PointToScreen(clientPoint);
ribbonMiniToolbar1.Show(screenPoint);
}
}
System.Windows.Point GetFormLocation()
{
//Retrive the caret position
DocumentPosition position = this.richEditControl1.Document.CaretPosition;
Rectangle rect = this.richEditControl1.GetBoundsFromPosition(position);
//Set the startup location relative to the retrieved position
//within the application bounds
Rectangle richViewBounds = GetRichEditViewBounds();
System.Drawing.Point location = new System.Drawing.Point(rect.Right - richViewBounds.X, rect.Bottom - richViewBounds.Y);
System.Drawing.Point localPoint = Units.DocumentsToPixels(location, this.richEditControl1.DpiX, this.richEditControl1.DpiY);
return(new System.Windows.Point(localPoint.X, localPoint.Y));
}
private void richEditControl1_Paint(object sender, PaintEventArgs e)
{
DocumentRange range = richEditControl1.Document.Selection;
Rectangle rect = richEditControl1.GetBoundsFromPosition(range.Start);
rect = new Rectangle(
0,
(int)Units.DocumentsToPixels(rect.Top, richEditControl1.DpiX),
richEditControl1.ClientSize.Width,
(int)Units.DocumentsToPixels(rect.Height, richEditControl1.DpiX));
Brush brush = new SolidBrush(Color.FromArgb(100, Color.Red));
e.Graphics.FillRectangle(brush, rect);
}
private void richEditControl1_DragOver(object sender, DragEventArgs e)
{
if (!e.Data.GetDataPresent(typeof(GridCellData)))
{
return;
}
e.Effect = DragDropEffects.Move;
Point docPoint = Units.PixelsToDocuments(richEditControl1.PointToClient(new Point(e.X, e.Y)),
richEditControl1.DpiX, richEditControl1.DpiY);
DocumentPosition pos = richEditControl1.GetPositionFromPoint(docPoint);
if (pos == null)
{
return;
}
Rectangle rect = Units.DocumentsToPixels(richEditControl1.GetBoundsFromPosition(pos),
richEditControl1.DpiX, richEditControl1.DpiY);
richEditControl1.Document.CaretPosition = pos;
if (richEditGraphics == null)
{
richEditGraphics = richEditControl1.CreateGraphics();
}
if (oldPosition != pos)
{
rect.Width = 2;
richEditControl1.Refresh();
richEditGraphics.FillRectangle(Brushes.Black, rect);
richEditControl1.ScrollToCaret();
oldPosition = pos;
}
}
public static System.Drawing.Rectangle GetRectangleFromDocumentPosition(RichEditControl richEditControl, DocumentPosition pos)
{
return(Units.DocumentsToPixels(richEditControl.GetBoundsFromPosition(pos),
richEditControl.DpiX, richEditControl.DpiY));
}