/// <summary>
/// Retrieves the bounding rectangle that encompasses the text range
/// with position measured from the top left of the <see cref="RichSuggestBox"/> control.
/// </summary>
/// <param name="range">Text range to retrieve the bounding box from.</param>
/// <returns>The bounding rectangle.</returns>
public Rect GetRectFromRange(ITextRange range)
{
var padding = _richEditBox.Padding;
range.GetRect(PointOptions.None, out var rect, out var hit);
rect.X += padding.Left - HorizontalOffset;
rect.Y += padding.Top - VerticalOffset;
var transform = _richEditBox.TransformToVisual(this);
return(transform.TransformBounds(rect));
}
/// <summary>
/// Sets up a breakpoint when the user taps on the breakpoints area
/// </summary>
/// <param name="sender">The <see cref="Canvas"/> instance in use</param>
/// <param name="e">The <see cref="TappedRoutedEventArgs"/> instance for the event</param>
private void BreakpointsCanvas_Tapped(object sender, TappedRoutedEventArgs e)
{
// Calculate the target vertical offset for the tap
double yOffset =
e.GetPosition((Border)sender).Y - 8 - // Tap Y offset and adjustment
CodeEditBox.VerticalScrollBarMargin.Top + // Top internal padding
CodeEditBox.ContentScroller !.VerticalOffset; // Vertical scroll offset
// Get the range aligned to the left edge of the tapped line
ITextRange range = CodeEditBox.Document.GetRangeFromPoint(new Point(0, yOffset), PointOptions.ClientCoordinates);
range.GetRect(PointOptions.Transform, out Rect line, out _);
// Get the line number
int lineNumber = CodeEditBox.Text.AsSpan(0, range.StartPosition).Count(Characters.CarriageReturn) + 1;
if (lineNumber == 1)
{
return;
}
// Store or remove the breakpoint
if (BreakpointIndicators.ContainsKey(lineNumber))
{
BreakpointIndicators.Remove(lineNumber);
if (BreakpointIndicators.Count == 0)
{
BreakpointsBorder.ContextFlyout = null;
}
BreakpointRemoved?.Invoke(this, new BreakpointToggleEventArgs(lineNumber, BreakpointIndicators.Count));
}
else
{
if (BreakpointIndicators.Count == 0)
{
BreakpointsBorder.ContextFlyout = BreakpointsMenuFlyout;
}
BreakpointIndicators.GetOrAddValueRef(lineNumber) = (float)line.Top;
BreakpointAdded?.Invoke(this, new BreakpointToggleEventArgs(lineNumber, BreakpointIndicators.Count));
}
UpdateBreakpointsInfo();
IdeOverlaysCanvas.Invalidate();
CodeEditBox.InvalidateOverlays();
}