public void UpdateMouse()
{
MouseState cursorState = Mouse.GetCursorState();
MouseState mouseState = Mouse.GetState();
if (window.Focused)
{
Point windowPoint = window.PointToClient(new Point(cursorState.X, cursorState.Y));
io.MousePosition = new System.Numerics.Vector2(windowPoint.X / io.DisplayFramebufferScale.X, windowPoint.Y / io.DisplayFramebufferScale.Y);
}
else
{
io.MousePosition = new System.Numerics.Vector2(-1f, -1f);
}
io.MouseDown[0] = mouseState.LeftButton == ButtonState.Pressed;
io.MouseDown[1] = mouseState.RightButton == ButtonState.Pressed;
io.MouseDown[2] = mouseState.MiddleButton == ButtonState.Pressed;
float newWheelPos = mouseState.WheelPrecise;
float delta = newWheelPos - _wheelPosition;
_wheelPosition = newWheelPos;
io.MouseWheel = delta;
}
public void Update(bool windowIsActive)
{
if (windowIsActive)
{
keyboardEvents.Update();
keyboardState.Update();
mouseState.Update();
MousePosition = toVector(nativeWindow.PointToClient(
new System.Drawing.Point(mouseState.Current.X, mouseState.Current.Y)));
if (!windowWasActiveLastUpdate)
{
// mouse state is updated in a special way so that scroll delta doesnt jump
mouseState.UpdateTo(mouseState.Current);
}
}
else
{
keyboardState.UpdateToDefault();
}
foreach (var gamepad in GamePads)
{
gamepad.Update(windowIsActive);
}
windowWasActiveLastUpdate = windowIsActive;
}
public bool HandleMouseInput(INativeWindow window, MouseState mouseState)
{
ImGuiIOPtr io = ImGui.GetIO();
io.MouseDown[0] = mouseState.LeftButton == ButtonState.Pressed;
io.MouseDown[1] = mouseState.RightButton == ButtonState.Pressed;
io.MouseDown[2] = mouseState.MiddleButton == ButtonState.Pressed;
var screenPoint = new System.Drawing.Point(mouseState.X, mouseState.Y);
var point = window.PointToClient(screenPoint);
io.MousePos = new Vector2(point.X, point.Y);
io.MouseWheel = mouseState.Scroll.Y - prevMouseState.Scroll.Y;
io.MouseWheelH = mouseState.Scroll.X - prevMouseState.Scroll.X;
prevMouseState = mouseState;
return(io.WantCaptureMouse);
}
/// <summary>
/// Transforms the specified point from screen to client coordinates.
/// </summary>
/// <param name="point">
/// A <see cref="System.Drawing.Point"/> to transform.
/// </param>
/// <returns>
/// The point transformed to client coordinates.
/// </returns>
public Point PointToClient(Point point)
{
return(implementation.PointToClient(point));
}