mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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169 lines
3.8 KiB
C#
Executable file
169 lines
3.8 KiB
C#
Executable file
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#region ================== Copyright (c) 2007 Pascal vd Heiden
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/*
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* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
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* This program is released under GNU General Public License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#endregion
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#region ================== Namespaces
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using System;
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using System.Windows.Forms;
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using CodeImp.DoomBuilder.Geometry;
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using System.Runtime.InteropServices;
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using System.Drawing;
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#endregion
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namespace CodeImp.DoomBuilder.Actions
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{
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internal class MouseInput : IDisposable
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{
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#region ================== Variables
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// Mouse input
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private RawMouse mouse;
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private bool firstProcess = true;
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private Point lastPos = new Point();
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private Control source;
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#endregion
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#region ================== Constructor / Disposer
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// Constructor
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public MouseInput(Control source)
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{
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this.source = source;
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// Start mouse input
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try
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{
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mouse = new RawMouse(source);
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}
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catch
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{
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mouse = null;
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}
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// We have no destructor
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GC.SuppressFinalize(this);
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}
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// Disposer
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public void Dispose()
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{
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if(mouse != null)
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{
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mouse.Dispose();
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mouse = null;
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}
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}
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#endregion
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#region ================== Methods
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#endregion
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#region ================== Processing
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// This processes the input
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public Vector2D Process()
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{
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float msX, msY;
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if (mouse != null) // Windows version where RawInput is available
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{
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MouseState ms = mouse.Poll();
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msX = ms.X;
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msY = ms.Y;
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}
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else // Fallback implementation for unix
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{
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Point pos = Cursor.Position;
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Rectangle clipBox = source.RectangleToScreen(source.ClientRectangle); //Cursor.Clip;
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Cursor.Position = new Point(clipBox.X + clipBox.Width / 2, clipBox.Y + clipBox.Height / 2);
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if (firstProcess)
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{
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lastPos = Cursor.Position;
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firstProcess = false;
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}
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msX = (float)(pos.X - lastPos.X);
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msY = (float)(pos.Y - lastPos.Y);
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lastPos = Cursor.Position;
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}
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// Calculate changes depending on sensitivity
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float changex = msX * General.Settings.VisualMouseSensX * General.Settings.MouseSpeed * 0.01f;
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float changey = msY * General.Settings.VisualMouseSensY * General.Settings.MouseSpeed * 0.01f;
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return new Vector2D(changex, changey);
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}
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#endregion
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}
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public struct MouseState
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{
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public MouseState(float x, float y) { X = x; Y = y; }
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public float X { get; }
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public float Y { get; }
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}
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public class RawMouse
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{
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public RawMouse(System.Windows.Forms.Control control)
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{
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Handle = RawMouse_New(control.Handle);
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if (Handle == IntPtr.Zero)
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throw new Exception("RawMouse_New failed");
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}
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~RawMouse()
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{
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Dispose();
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}
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public MouseState Poll()
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{
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return new MouseState(RawMouse_GetX(Handle), RawMouse_GetY(Handle));
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}
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public bool Disposed { get { return Handle == IntPtr.Zero; } }
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public void Dispose()
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{
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if (!Disposed)
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{
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RawMouse_Delete(Handle);
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Handle = IntPtr.Zero;
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}
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}
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internal IntPtr Handle;
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[DllImport("BuilderNative.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr RawMouse_New(IntPtr windowHandle);
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[DllImport("BuilderNative.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern void RawMouse_Delete(IntPtr handle);
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[DllImport("BuilderNative.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern float RawMouse_GetX(IntPtr handle);
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[DllImport("BuilderNative.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern float RawMouse_GetY(IntPtr handle);
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}
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}
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