Opentk/Source/OpenTK/Platform/X11/X11Mouse.cs
2007-11-10 18:24:56 +00:00

102 lines
3.7 KiB
C#

#region --- License ---
/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
* See license.txt for license info
*/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using OpenTK.Input;
namespace OpenTK.Platform.X11
{
/// <summary>
/// Drives Mouse devices on X11.
/// This class supports OpenTK, and is not intended for use by OpenTK programs.
/// </summary>
internal sealed class X11Mouse : IMouseDriver
{
WindowInfo window;
List<MouseDevice> mice = new List<MouseDevice>();
#region --- Constructor ---
public X11Mouse(WindowInfo window)
{
this.window = window;
// Just create one mouse now.
// TODO: support for multiple devices through evdev.
// TODO: Should call XSelectInput for mouse pointer events.
MouseDevice m = new MouseDevice();
m.Description = "Default X11 mouse";
m.DeviceID = IntPtr.Zero;
m.NumberOfButtons = 5;
m.NumberOfWheels = 1;
mice.Add(m);
}
#endregion
#region --- IMouseDriver Members ---
public IList<MouseDevice> Mouse
{
get { return mice; }
}
#endregion
/// <summary>
/// Processes XButtonEvents.
/// </summary>
/// <param name="e">The X11.XButtonEvent to process.</param>
/// <returns>True if the event was processed, false otherwise.</returns>
internal bool ProcessButton(ref X11.XButtonEvent e)
{
MouseDevice m = mice[0];
bool pressed = e.type == XEventName.ButtonPress;
//e.
if ((e.state & (int)X11.MouseMask.Button1Mask) != 0) m[OpenTK.Input.MouseButton.Left] = pressed;
if ((e.state & (int)X11.MouseMask.Button2Mask) != 0) m[OpenTK.Input.MouseButton.Middle] = pressed;
if ((e.state & (int)X11.MouseMask.Button3Mask) != 0) m[OpenTK.Input.MouseButton.Right] = pressed;
if ((e.state & (int)X11.MouseMask.Button4Mask) != 0) m.Wheel++;
if ((e.state & (int)X11.MouseMask.Button5Mask) != 0) m.Wheel--;
return true;
}
/// <summary>
/// Processes XMotionEvents.
/// </summary>
/// <param name="e">The X11.XMotionEvent to process.</param>
/// <returns>True if the event was processed, false otherwise.</returns>
internal bool ProcessMotion(ref X11.XMotionEvent e)
{
MouseDevice m = mice[0];
m.X = e.x;
m.Y = e.y;
return true;
}
/// <summary>
/// Queries the mouse pos.
/// </summary>
internal void Poll()
{
IntPtr root, child;
int state, root_x, root_y, win_x, win_y;
MouseDevice m = mice[0];
Functions.XQueryPointer(window.Display, window.Handle, out root, out child, out root_x, out root_y, out win_x, out win_y, out state);
m[OpenTK.Input.MouseButton.Left] = (state & (int)X11.MouseMask.Button1Mask) != 0;
m[OpenTK.Input.MouseButton.Middle] = (state & (int)X11.MouseMask.Button2Mask) != 0;
m[OpenTK.Input.MouseButton.Right] = (state & (int)X11.MouseMask.Button3Mask) != 0;
if ((state & (int)X11.MouseMask.Button4Mask) != 0) m.Wheel++;
if ((state & (int)X11.MouseMask.Button5Mask) != 0) m.Wheel--;
//m.Wheel += (state & (int)X11.MouseMask.Button4Mask);
//m.Wheel -= (state & (int)X11.MouseMask.Button5Mask);
m.X = root_x;
m.Y = root_y;
}
}
}