private static void MoveToolTip(IInputElement? target, ToolTip? toolTip)
{
if (toolTip is null
|| target is null
|| toolTip.PlacementTarget is null)
{
return;
}
toolTip.SetCurrentValue(ToolTip.PlacementProperty, PlacementMode.Relative);
var hOffsetFromToolTip = GetAutoMoveHorizontalOffset(toolTip);
var vOffsetFromToolTip = GetAutoMoveVerticalOffset(toolTip);
var dpi = DpiHelper.GetDpi(toolTip);
Debug.WriteLine(">>dpi >> x: {0} \t y: {1}", dpi.DpiScaleX, dpi.DpiScaleY);
var hDPIOffset = DpiHelper.TransformToDeviceX(toolTip.PlacementTarget, hOffsetFromToolTip, dpi.DpiScaleX);
var vDPIOffset = DpiHelper.TransformToDeviceY(toolTip.PlacementTarget, vOffsetFromToolTip, dpi.DpiScaleY);
var position = Mouse.GetPosition(toolTip.PlacementTarget);
var newHorizontalOffset = position.X + hDPIOffset;
var newVerticalOffset = position.Y + vDPIOffset;
var topLeftFromScreen = toolTip.PlacementTarget.PointToScreen(new Point(0, 0));
if (MonitorHelper.TryGetMonitorInfoFromPoint(out var mInfo))
{
Debug.WriteLine(">>rcWork >> w: {0} \t h: {1}", mInfo.rcWork.GetWidth(), mInfo.rcWork.GetHeight());
Debug.WriteLine(">>rcMonitor >> w: {0} \t h: {1}", mInfo.rcMonitor.GetWidth(), mInfo.rcMonitor.GetHeight());
var monitorWorkWidth = Math.Abs(mInfo.rcWork.GetWidth());
var monitorWorkHeight = Math.Abs(mInfo.rcWork.GetHeight());
if (monitorWorkWidth == 0
|| monitorWorkHeight == 0)
{
Trace.TraceError("Got wrong monitor info values ({0})", mInfo.rcWork);
return;
}
topLeftFromScreen.X = -mInfo.rcWork.left + topLeftFromScreen.X;
topLeftFromScreen.Y = -mInfo.rcWork.top + topLeftFromScreen.Y;
var locationX = (int)topLeftFromScreen.X % monitorWorkWidth;
var locationY = (int)topLeftFromScreen.Y % monitorWorkHeight;
var renderDpiWidth = DpiHelper.TransformToDeviceX(toolTip.PlacementTarget, toolTip.RenderSize.Width, dpi.DpiScaleX);
var rightX = locationX + newHorizontalOffset + renderDpiWidth;
if (rightX > monitorWorkWidth)
{
newHorizontalOffset = position.X - toolTip.RenderSize.Width - (0.5 * hDPIOffset);
}
var renderDPIHeight = DpiHelper.TransformToDeviceY(toolTip.PlacementTarget, toolTip.RenderSize.Height, dpi.DpiScaleY);
var bottomY = locationY + newVerticalOffset + renderDPIHeight;
if (bottomY > monitorWorkHeight)
{
newVerticalOffset = position.Y - toolTip.RenderSize.Height - (0.5 * vDPIOffset);
}
Debug.WriteLine(">>tooltip >> bY: {0:F} \t rX: {1:F}", bottomY, rightX);
toolTip.HorizontalOffset = newHorizontalOffset;
toolTip.VerticalOffset = newVerticalOffset;
Debug.WriteLine(">>offset >> ho: {0:F} \t vo: {1:F}", toolTip.HorizontalOffset, toolTip.VerticalOffset);
}
}
private static void MoveToolTip(IInputElement target, ToolTip toolTip)
{
if (toolTip == null || target == null || toolTip.PlacementTarget == null)
{
return;
}
toolTip.Placement = PlacementMode.Relative;
var hOffsetFromToolTip = GetAutoMoveHorizontalOffset(toolTip);
var vOffsetFromToolTip = GetAutoMoveVerticalOffset(toolTip);
var dpi = DpiHelper.GetDpi(toolTip);
var hDPIOffset = DpiHelper.TransformToDeviceX(toolTip.PlacementTarget, hOffsetFromToolTip, dpi.DpiScaleX);
var vDPIOffset = DpiHelper.TransformToDeviceY(toolTip.PlacementTarget, vOffsetFromToolTip, dpi.DpiScaleY);
var position = Mouse.GetPosition(toolTip.PlacementTarget);
var newHorizontalOffset = position.X + hDPIOffset;
var newVerticalOffset = position.Y + vDPIOffset;
var topLeftFromScreen = toolTip.PlacementTarget.PointToScreen(new Point(0, 0));
MONITORINFO monitorINFO = null;
try
{
monitorINFO = MonitorHelper.GetMonitorInfoFromPoint();
}
catch (UnauthorizedAccessException ex)
{
Debug.WriteLine("UnauthorizedAccessException occurred getting MONITORINFO: {0}", ex.Message);
}
if (monitorINFO != null)
{
Debug.WriteLine(">>rcWork >> w: {0} h: {1}", monitorINFO.rcWork.Width, monitorINFO.rcWork.Height);
Debug.WriteLine(">>rcMonitor >> w: {0} h: {1}", monitorINFO.rcMonitor.Width, monitorINFO.rcMonitor.Height);
var monitorWorkWidth = Math.Abs(monitorINFO.rcWork.Width); // (int)DpiHelper.TransformToDeviceX(toolTip.PlacementTarget, SystemParameters.PrimaryScreenWidth);
var monitorWorkHeight = Math.Abs(monitorINFO.rcWork.Height); // (int)DpiHelper.TransformToDeviceY(toolTip.PlacementTarget, SystemParameters.PrimaryScreenHeight);
if (topLeftFromScreen.X < 0)
{
topLeftFromScreen.X = -monitorINFO.rcWork.Left + topLeftFromScreen.X;
}
if (topLeftFromScreen.Y < 0)
{
topLeftFromScreen.Y = -monitorINFO.rcWork.Top + topLeftFromScreen.Y;
}
var locationX = (int)topLeftFromScreen.X % monitorWorkWidth;
var locationY = (int)topLeftFromScreen.Y % monitorWorkHeight;
var renderDPIWidth = DpiHelper.TransformToDeviceX(toolTip.RenderSize.Width, dpi.DpiScaleX);
var rightX = locationX + newHorizontalOffset + renderDPIWidth;
if (rightX > monitorWorkWidth)
{
newHorizontalOffset = position.X - toolTip.RenderSize.Width - 0.5 * hDPIOffset;
}
var renderDPIHeight = DpiHelper.TransformToDeviceY(toolTip.RenderSize.Height, dpi.DpiScaleY);
var bottomY = locationY + newVerticalOffset + renderDPIHeight;
if (bottomY > monitorWorkHeight)
{
newVerticalOffset = position.Y - toolTip.RenderSize.Height - 0.5 * vDPIOffset;
}
Debug.WriteLine(">>tooltip >> bottomY: {0:F} rightX: {1:F}", bottomY, rightX);
toolTip.HorizontalOffset = newHorizontalOffset;
toolTip.VerticalOffset = newVerticalOffset;
Debug.WriteLine(">>offset >> ho: {0:F} vo: {1:F}", toolTip.HorizontalOffset, toolTip.VerticalOffset);
}
}
/// <summary>
/// Get DPI of monitor where the window is
/// </summary>
private void GetDpi()
{
DpiHelper.GetDpi(Handle, out var dpiX, out var dpiY);
DpiX = dpiX;
DpiY = dpiY;
}
