public static void GetSelectionBounds(this TextArea textArea, out int startLine, out int endLine)
{
startLine = textArea.Selection.StartPosition.Line;
ICSharpCode.AvalonEdit.TextViewPosition endPosition = textArea.Selection.EndPosition;
endLine = endPosition.Line;
if (endLine < startLine) // Swap
{
int saveEndLine = endLine;
endLine = startLine;
startLine = saveEndLine;
endPosition = textArea.Selection.StartPosition;
}
TextDocument document = textArea.Document;
string lineLeft = null;
if (endPosition.Location.Line != 0 || endPosition.Location.Column != 0)
{
lineLeft = document.GetLineLeftOf(document.GetOffset(endPosition.Location));
}
if (string.IsNullOrWhiteSpace(lineLeft))
{
endLine--;
}
}
/*public void UpdatePosition(){
* Main main = Main.Get();
*
* //this.SetPosition();
* }*/
/*protected void SetPosition(TextViewPosition position)
* {
* TextView textView = this.TextArea.TextView;
*
*
* UpdatePosition();
* }*/
public void UpdatePosition()
{
Main main = Main.Get();
ICSharpCode.AvalonEdit.Rendering.TextView textView = main.editor.TextArea.TextView;
ICSharpCode.AvalonEdit.TextViewPosition position = new ICSharpCode.AvalonEdit.TextViewPosition(main.editor.Document.GetLocation(main.completionStartPosition));
Point visualLocation = textView.GetVisualPosition(position, ICSharpCode.AvalonEdit.Rendering.VisualYPosition.LineBottom);
Point visualLocationTop = textView.GetVisualPosition(position, ICSharpCode.AvalonEdit.Rendering.VisualYPosition.LineTop);
// PointToScreen returns device dependent units (physical pixels)
Point location = textView.PointToScreen(visualLocation - textView.ScrollOffset);
Point locationTop = textView.PointToScreen(visualLocationTop - textView.ScrollOffset);
// Let's use device dependent units for everything
//Size completionWindowSize = new Size(this.Width, this.Height).TransformToDevice(textView);
Rect bounds = new Rect(location, new Size(this.Width, this.Height));
System.Drawing.Rectangle systemRect = System.Windows.Forms.Screen.GetWorkingArea(new System.Drawing.Point((int)location.X, (int)location.Y));
Rect workingScreen = new Rect(new Point(systemRect.Location.X, systemRect.Location.Y), new Size(systemRect.Size.Width, systemRect.Size.Height));//.ToWpf();
if (!workingScreen.Contains(bounds))
{
if (bounds.Left < workingScreen.Left)
{
bounds.X = workingScreen.Left;
}
else if (bounds.Right > workingScreen.Right)
{
bounds.X = workingScreen.Right - bounds.Width;
}
if (bounds.Bottom > workingScreen.Bottom)
{
bounds.Y = locationTop.Y - bounds.Height;
}
if (bounds.Y < workingScreen.Top)
{
bounds.Y = workingScreen.Top;
}
}
// Convert the window bounds to device independent units
Matrix matrix = PresentationSource.FromVisual(textView).CompositionTarget.TransformFromDevice;
bounds = Rect.Transform(bounds, matrix);
this.Left = (int)bounds.X - 29 - main.Left;
this.Top = (int)bounds.Y - 30 - main.Top;
}
