public DebugConsoleTestView()
{
this.InitializeComponent();
this.CollapseReleaseBuildWarning();
DC.ShowLog();
DC.Expand();
}
private async void InitializeTest()
{
_grids.Add(testPanel);
await this.WaitForLoadedAsync();
var random = new Random();
var colors = ColorExtensions.GetNamedColors();
for (int i = 0; i < 20; i++)
{
var panel = _grids[random.Next(0, _grids.Count)];
if (panel.ActualWidth - 10 <= 10 ||
panel.ActualHeight - 10 <= 10)
{
i--;
continue;
}
var border = new Border();
border.HorizontalAlignment = HorizontalAlignment.Left;
border.VerticalAlignment = VerticalAlignment.Top;
border.Width = random.Next((int)(panel.ActualWidth / 2), (int)(panel.ActualWidth - 10));
border.Height = random.Next((int)(panel.ActualHeight / 2), (int)(panel.ActualHeight - 10));
border.Margin =
new Thickness(
random.Next(0, (int)(panel.ActualWidth - border.Width) + 1),
random.Next(0, (int)(panel.ActualHeight - border.Height) + 1),
0,
0);
border.Background = new SolidColorBrush(colors[random.Next(colors.Count)]);
var childGrid = new Grid {
VerticalAlignment = VerticalAlignment.Stretch, HorizontalAlignment = HorizontalAlignment.Stretch
};
_grids.Add(childGrid);
border.Child = childGrid;
panel.Children.Add(border);
var tb =
new TextBlock
{
Text = string.Format("Panel {0}", i + 1),
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top
};
childGrid.Children.Add(tb);
await childGrid.WaitForNonZeroSizeAsync();
}
await DC.ShowVisualTreeAsync(_grids[random.Next(_grids.Count)]);
DC.Expand();
}
internal async Task SelectElementUnderPointer(bool showDebugger = true)
{
var roots =
VisualTreeHelper.GetOpenPopups(Window.Current)
.Where(p => p.Child != null)
.Select(p => p.Child)
.Reverse()
.ToList();
roots.Add(VisualTreeHelperExtensions.GetRealWindowRoot());
UIElement hoveredElement = null;
foreach (var root in roots)
{
var hoveredElements = VisualTreeHelper.FindElementsInHostCoordinates(
_pointerPosition,
root);
var hoveredElementCandidate = hoveredElements.FirstOrDefault();
if (hoveredElementCandidate != null)
{
if (hoveredElement == null)
{
hoveredElement = hoveredElementCandidate;
}
// If multiple popups are overlaid and possibly also overlay a non-popup
// - how to select the right root?
// Consider if the selected element is actually hoverable -
// popups might have a canvas that will show as being in host coordinates
// even though it's not necessarily hit test visible.
var control = hoveredElementCandidate as Control;
var panel = hoveredElementCandidate as Panel;
if (control != null &&
control.Background == null ||
panel != null &&
panel.Background == null)
{
continue;
}
hoveredElement = hoveredElementCandidate;
break;
}
}
if (hoveredElement != null)
{
await SelectItem(hoveredElement, true);
}
if (showDebugger)
{
DC.Show();
DC.Expand();
}
}