//...........................................................
public void Draw(avalon.Rendering.TextView VIEW, DrawingContext CONTEXT)
{
if (m_editor.Document == null)
{
return;
}
VIEW.EnsureVisualLines();
if (m_editor.ExtentWidth < 1)
{
return; // happens on init
}
// draw full-width, not just text width
var size = new Size(
m_editor.ExtentWidth,
VIEW.DefaultLineHeight
);
for (var i = 0; i < Lines.Count; ++i)
{
var diff = Lines[i];
Brush brush = null;
if (diff.Text == null)
{
brush = PaddingBrush;
}
else
{
switch (diff.Type)
{
case diffplex.Model.ChangeType.Modified: brush = ModifiedBrush; break;
case diffplex.Model.ChangeType.Deleted: brush = DeletedBrush; break;
case diffplex.Model.ChangeType.Inserted: brush = InsertedBrush; break;
}
}
if (brush == null)
{
continue;
}
var line = m_editor.Document.GetLineByNumber(i + 1);
// usually only 1 rect per line, but may have more
foreach (var rect in avalon.Rendering.BackgroundGeometryBuilder.GetRectsForSegment(VIEW, line))
{
var extents = new Rect(rect.Location, size);
CONTEXT.DrawRectangle(brush, null, extents);
}
}
}
/*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;
}
