void OnBreakEventRemoved(BreakEvent be)
{
OnChanged();
BreakEventRemoved?.Invoke(this, new BreakEventArgs(be));
if (be is Breakpoint bp)
{
BreakpointRemoved?.Invoke(this, new BreakpointEventArgs(bp));
}
else if (be is Catchpoint ce)
{
CatchpointRemoved?.Invoke(this, new CatchpointEventArgs(ce));
}
}
/// <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();
}
/// <summary>
/// Adds a breakpoint to the debugger.
/// </summary>
/// <param name="line">The line to add the breakpoint to.</param>
/// <returns>The breakpoint.</returns>
public DebuggerBreakpoint SetBreakpoint(int line)
{
if (_breakpoints.Any(x => x.Line == line))
{
throw new InvalidOperationException($"A breakpoint is already set at line {line}.");
}
var bp = new DebuggerBreakpoint(this, line);
bp.Destroyed.Event += () =>
{
_breakpoints.Remove(bp);
BreakpointRemoved.Fire(bp);
};
_breakpoints.Add(bp);
BreakpointAdded.Fire(bp);
return(bp);
}
