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Implement relative mouse mode (raw input) for SDL platform

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This commit is contained in:
Ari Vuollet
2024-07-25 21:29:38 +03:00
committed by Ari Vuollet
parent 2da908d9b8
commit e5ca67618f
18 changed files with 276 additions and 23 deletions
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35
Source/Engine/Platform/Window.cs
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@@ -17,31 +17,37 @@ namespace FlaxEngine
/// <summary>
/// Perform window hit test delegate.
/// </summary>
/// <param name="mouse">The mouse position. The coordinate is relative to the upper-left corner of the screen. Use <see cref="ScreenToClient"/> to convert position into client space coordinates.</param>
/// <param name="mousePosition">The mouse position. The coordinate is relative to the upper-left corner of the screen. Use <see cref="ScreenToClient"/> to convert position into client space coordinates.</param>
/// <returns>Hit result.</returns>
public delegate WindowHitCodes HitTestDelegate(ref Float2 mouse);
public delegate WindowHitCodes HitTestDelegate(ref Float2 mousePosition);
/// <summary>
/// Perform mouse buttons action.
/// </summary>
/// <param name="mouse">The mouse position.</param>
/// <param name="mousePosition">The mouse position.</param>
/// <param name="button">The mouse buttons state.</param>
/// <param name="handled">The flag that indicated that event has been handled by the custom code and should not be passed further. By default it is set to false.</param>
public delegate void MouseButtonDelegate(ref Float2 mouse, MouseButton button, ref bool handled);
public delegate void MouseButtonDelegate(ref Float2 mousePosition, MouseButton button, ref bool handled);
/// <summary>
/// Perform mouse move action.
/// </summary>
/// <param name="mouse">The mouse position.</param>
public delegate void MouseMoveDelegate(ref Float2 mouse);
/// <param name="mousePosition">The mouse position.</param>
public delegate void MouseMoveDelegate(ref Float2 mousePosition);
/// <summary>
/// Perform mouse move action in relative mode.
/// </summary>
/// <param name="mouseMotion">The relative mouse motion.</param>
public delegate void MouseMoveRelativeDelegate(ref Float2 mouseMotion);
/// <summary>
/// Perform mouse wheel action.
/// </summary>
/// <param name="mouse">The mouse position.</param>
/// <param name="mousePosition">The mouse position.</param>
/// <param name="delta">The mouse wheel move delta (can be positive or negative; normalized to [-1;1] range).</param>
/// <param name="handled">The flag that indicated that event has been handled by the custom code and should not be passed further. By default it is set to false.</param>
public delegate void MouseWheelDelegate(ref Float2 mouse, float delta, ref bool handled);
public delegate void MouseWheelDelegate(ref Float2 mousePosition, float delta, ref bool handled);
/// <summary>
/// Perform touch action.
@@ -99,9 +105,14 @@ namespace FlaxEngine
public event MouseWheelDelegate MouseWheel;
/// <summary>
/// Event fired when mouse moves
/// Event fired when mouse moves.
/// </summary>
public event MouseMoveDelegate MouseMove;
/// <summary>
/// Event fired when mouse moves in relative mode.
/// </summary>
public event MouseMoveRelativeDelegate MouseMoveRelative;
/// <summary>
/// Event fired when mouse leaves window.
@@ -273,6 +284,12 @@ namespace FlaxEngine
MouseMove?.Invoke(ref pos);
GUI.OnMouseMove(pos);
}
internal void Internal_OnMouseMoveRelative(ref Float2 mouseMotion)
{
MouseMoveRelative?.Invoke(ref mouseMotion);
GUI.OnMouseMoveRelative(mouseMotion);
}
internal void Internal_OnMouseLeave()
{