private void Configure(Window view, object viewModel = null)
{
// without VieWModel we cannot uniquely identify the window
if (!(viewModel is IMaintainPosition) || _uiConfiguration == null || !_uiConfiguration.AreWindowLocationsStored)
{
return;
}
var windowName = viewModel.GetType().FullName;
var screenBounds = DisplayInfo.GetAllScreenBounds();
var hasPlacement = _uiConfiguration.WindowLocations.TryGetValue(windowName, out var placement);
if (!hasPlacement || placement.ShowCmd == ShowWindowCommands.Normal && !screenBounds.Contains(placement.NormalPosition))
{
view.WindowStartupLocation = view.Owner != null ? WindowStartupLocation.CenterOwner : _uiConfiguration.DefaultWindowStartupLocation;
hasPlacement = false;
}
if (hasPlacement)
{
view.WindowStartupLocation = WindowStartupLocation.Manual;
}
// Storage for the event handlers, so we can remove them again
EventHandler[] eventHandlers = new EventHandler[3];
// Store Placement
eventHandlers[1] = (sender, args) =>
{
// ReSharper disable once InvokeAsExtensionMethod
var newPlacement = WindowsExtensions.RetrievePlacement(view);
if (newPlacement.ShowCmd == ShowWindowCommands.Hide)
{
// Ignore
return;
}
Log.Debug().WriteLine("Stored placement {0} for Window {1}", newPlacement.NormalPosition, windowName);
_uiConfiguration.WindowLocations[windowName] = newPlacement;
};
// Cleanup handlers
eventHandlers[2] = (s, e) =>
{
view.LocationChanged -= eventHandlers[1];
view.Closed -= eventHandlers[2];
};
//Initialize handlers
eventHandlers[0] = (sender, args) =>
{
if (hasPlacement)
{
// Make sure the placement is set
WindowsExtensions.ApplyPlacement(view, placement);
}
view.LocationChanged -= eventHandlers[0];
view.LocationChanged += eventHandlers[1];
view.Closed += eventHandlers[2];
};
view.LocationChanged += eventHandlers[0];
}
/// <summary>
/// The coordinates need to be mapped from 0-65535 where 0 is left and 65535 is right
/// </summary>
/// <param name="location">NativePoint</param>
/// <returns>NativePoint</returns>
private static NativePoint RemapLocation(NativePoint location)
{
var bounds = DisplayInfo.GetAllScreenBounds();
if (bounds.Width * bounds.Height == 0)
{
return(location);
}
return(new NativePoint(location.X * (65535 / bounds.Width), location.Y * (65535 / bounds.Height)));
}
/// <inheritdoc />
protected override void OnActivate()
{
var bounds = DisplayInfo.GetAllScreenBounds();
Left = bounds.Left;
Top = bounds.Top;
Width = bounds.Width;
Height = bounds.Height;
base.OnActivate();
}
/// <summary>
/// Create a MouseInput struct for a mouse move
/// </summary>
/// <param name="location">Where is the click located</param>
/// <param name="timestamp">The time stamp for the event</param>
/// <returns>MouseInput</returns>
public static MouseInput MouseMove(NativePoint location, uint timestamp = 0)
{
location = RemapLocation(location);
var bounds = DisplayInfo.GetAllScreenBounds();
return(new MouseInput
{
dx = location.X * (65535 / bounds.Width),
dy = location.Y * (65535 / bounds.Height),
Timestamp = timestamp,
MouseEventFlags = MouseMoveMouseEventFlags
});
}
/// <summary>
/// Create a MouseInput struct for a mouse move
/// </summary>
/// <param name="location">Where is the click located</param>
/// <param name="timestamp">The time stamp for the event</param>
/// <returns>MouseInput</returns>
public static MouseInput MouseMove(NativePoint location, uint?timestamp = null)
{
location = RemapLocation(location);
var bounds = DisplayInfo.GetAllScreenBounds();
var messageTime = timestamp ?? (uint)Environment.TickCount;
return(new MouseInput
{
dx = location.X * (65535 / bounds.Width),
dy = location.Y * (65535 / bounds.Height),
Timestamp = messageTime,
MouseEventFlags = MouseMoveMouseEventFlags
});
}
