522 lines
15 KiB
C#
522 lines
15 KiB
C#
#define COMPAT_REV1519 // Keeps compatibility with revision 1519
|
|
|
|
#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 System.Drawing;
|
|
using System.ComponentModel;
|
|
|
|
namespace OpenTK.Input
|
|
{
|
|
/// <summary>
|
|
/// Represents a mouse device and provides methods to query its status.
|
|
/// </summary>
|
|
public sealed class MouseDevice : IInputDevice
|
|
{
|
|
#region --- Fields ---
|
|
|
|
string description;
|
|
IntPtr id;
|
|
int numButtons, numWheels;
|
|
readonly bool[] button_state = new bool[Enum.GetValues(typeof(MouseButton)).Length];
|
|
int wheel, last_wheel;
|
|
Point pos = new Point(), last_pos = new Point();
|
|
#if COMPAT_REV1519
|
|
int wheel_last_accessed = 0;
|
|
Point pos_last_accessed = new Point();
|
|
#endif
|
|
|
|
#endregion
|
|
|
|
#region --- IInputDevice Members ---
|
|
|
|
#region public string Description
|
|
|
|
/// <summary>
|
|
/// Gets a string describing this MouseDevice.
|
|
/// </summary>
|
|
public string Description
|
|
{
|
|
get { return description; }
|
|
internal set { description = value; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public InputDeviceType DeviceType
|
|
|
|
/// <summary>
|
|
/// Gets a value indicating the InputDeviceType of this InputDevice.
|
|
/// </summary>
|
|
public InputDeviceType DeviceType
|
|
{
|
|
get { return InputDeviceType.Mouse; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region --- Public Members ---
|
|
|
|
#region public int NumberOfButtons
|
|
|
|
/// <summary>
|
|
/// Gets an integer representing the number of buttons on this MouseDevice.
|
|
/// </summary>
|
|
public int NumberOfButtons
|
|
{
|
|
get { return numButtons; }
|
|
internal set { numButtons = value; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public int NumberOfWheels
|
|
|
|
/// <summary>
|
|
/// Gets an integer representing the number of wheels on this MouseDevice.
|
|
/// </summary>
|
|
public int NumberOfWheels
|
|
{
|
|
get { return numWheels; }
|
|
internal set { numWheels = value; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public IntPtr DeviceID
|
|
|
|
/// <summary>
|
|
/// Gets an IntPtr representing a device dependent ID.
|
|
/// </summary>
|
|
public IntPtr DeviceID
|
|
{
|
|
get { return id; }
|
|
internal set { id = value; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public int Wheel
|
|
|
|
/// <summary>
|
|
/// Gets an integer representing the absolute wheel position.
|
|
/// </summary>
|
|
public int Wheel
|
|
{
|
|
get { return wheel; }
|
|
internal set
|
|
{
|
|
wheel = value;
|
|
if (WheelChanged != null)
|
|
WheelChanged(
|
|
this,
|
|
new MouseWheelEventArgs(
|
|
pos.X,
|
|
pos.Y,
|
|
wheel,
|
|
wheel - last_wheel
|
|
)
|
|
);
|
|
last_wheel = wheel;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public int X
|
|
|
|
/// <summary>
|
|
/// Gets an integer representing the absolute x position of the pointer, in window pixel coordinates.
|
|
/// </summary>
|
|
public int X
|
|
{
|
|
get { return pos.X; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public int Y
|
|
|
|
/// <summary>
|
|
/// Gets an integer representing the absolute y position of the pointer, in window pixel coordinates.
|
|
/// </summary>
|
|
public int Y
|
|
{
|
|
get { return pos.Y; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public bool this[MouseButton b]
|
|
|
|
/// <summary>
|
|
/// Gets a System.Boolean indicating the state of the specified MouseButton.
|
|
/// </summary>
|
|
/// <param name="button">The MouseButton to check.</param>
|
|
/// <returns>True if the MouseButton is pressed, false otherwise.</returns>
|
|
public bool this[MouseButton button]
|
|
{
|
|
get
|
|
{
|
|
return button_state[(int)button];
|
|
}
|
|
internal set
|
|
{
|
|
bool previous_state = button_state[(int)button];
|
|
button_state[(int)button] = value;
|
|
|
|
MouseButtonEventArgs e = new MouseButtonEventArgs(pos.X, pos.Y, button, value);
|
|
if (value && !previous_state)
|
|
ButtonDown(this, e);
|
|
else if (!value && previous_state)
|
|
ButtonUp(this, e);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region --- Internal Members ---
|
|
|
|
#region internal Point Position
|
|
|
|
/// <summary>
|
|
/// Sets a System.Drawing.Point representing the absolute position of the pointer, in window pixel coordinates.
|
|
/// </summary>
|
|
internal Point Position
|
|
{
|
|
set
|
|
{
|
|
pos = value;
|
|
Move(this, new MouseMoveEventArgs(pos.X, pos.Y, pos.X - last_pos.X, pos.Y - last_pos.Y));
|
|
last_pos = pos;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region --- Events ---
|
|
|
|
/// <summary>
|
|
/// Occurs when the mouse's position is moved.
|
|
/// </summary>
|
|
public event MouseMoveEventHandler Move = delegate(object sender, MouseMoveEventArgs e) { };
|
|
|
|
/// <summary>
|
|
/// Occurs when a button is pressed.
|
|
/// </summary>
|
|
public event MouseButtonEventHandler ButtonDown = delegate(object sender, MouseButtonEventArgs e) { };
|
|
|
|
/// <summary>
|
|
/// Occurs when a button is released.
|
|
/// </summary>
|
|
public event MouseButtonEventHandler ButtonUp = delegate(object sender, MouseButtonEventArgs e) { };
|
|
|
|
/// <summary>
|
|
/// Occurs when one of the mouse wheels is moved.
|
|
/// </summary>
|
|
public event MouseWheelEventHandler WheelChanged = delegate(object sender, MouseWheelEventArgs e) { };
|
|
|
|
#region --- Overrides ---
|
|
|
|
public override int GetHashCode()
|
|
{
|
|
//return base.GetHashCode();
|
|
return (int)(numButtons ^ numWheels ^ id.GetHashCode() ^ description.GetHashCode());
|
|
}
|
|
|
|
public override string ToString()
|
|
{
|
|
return String.Format("ID: {0} ({1}). Buttons: {2}, Wheels: {3}",
|
|
DeviceID, Description, NumberOfButtons, NumberOfWheels);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region COMPAT_REV1519
|
|
|
|
#if COMPAT_REV1519
|
|
|
|
#region public int WheelDelta
|
|
|
|
/// <summary>
|
|
/// Gets an integer representing the relative wheel movement.
|
|
/// </summary>
|
|
[Obsolete("WheelDelta is only defined for a single WheelChanged event. Use the OpenTK.Input.MouseWheelEventArgs::Delta property with the OpenTK.Input.MouseDevice::WheelChanged event.", false)]
|
|
public int WheelDelta
|
|
{
|
|
get
|
|
{
|
|
int result = wheel - wheel_last_accessed;
|
|
wheel_last_accessed = wheel;
|
|
return result;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public int XDelta
|
|
|
|
/// <summary>
|
|
/// Gets an integer representing the relative x movement of the pointer, in pixel coordinates.
|
|
/// </summary>
|
|
[Obsolete("XDelta is only defined for a single Move event. Use the OpenTK.Input.MouseMoveEventArgs::Delta property with the OpenTK.Input.MouseDevice::Move event.", false)]
|
|
public int XDelta
|
|
{
|
|
get
|
|
{
|
|
int result = pos.X - pos_last_accessed.X;
|
|
pos_last_accessed.X = pos.X;
|
|
return result;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public int YDelta
|
|
|
|
/// <summary>
|
|
/// Gets an integer representing the relative y movement of the pointer, in pixel coordinates.
|
|
/// </summary>
|
|
[Obsolete("YDelta is only defined for a single Move event. Use the OpenTK.Input.MouseMoveEventArgs::Delta property with the OpenTK.Input.MouseDevice::Move event.", false)]
|
|
public int YDelta
|
|
{
|
|
get
|
|
{
|
|
int result = pos.Y - pos_last_accessed.Y;
|
|
pos_last_accessed.Y = pos.Y;
|
|
return result;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endif
|
|
|
|
#endregion
|
|
}
|
|
|
|
#region Event Arguments
|
|
|
|
public struct MouseMoveEventArgs
|
|
{
|
|
#region Fields
|
|
|
|
int x, y;
|
|
int x_delta, y_delta;
|
|
|
|
#endregion
|
|
|
|
#region Constructors
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="MouseMoveEventArgs"/> class.
|
|
/// </summary>
|
|
/// <param name="x">The X position.</param>
|
|
/// <param name="y">The Y position.</param>
|
|
/// <param name="xDelta">The change in X position produced by this event.</param>
|
|
/// <param name="yDelta">The change in Y position produced by this event.</param>
|
|
public MouseMoveEventArgs(int x, int y, int xDelta, int yDelta)
|
|
{
|
|
this.x = x;
|
|
this.y = y;
|
|
this.x_delta = xDelta;
|
|
this.y_delta = yDelta;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Public Members
|
|
|
|
/// <summary>
|
|
/// Gets the X position of the mouse for the event.
|
|
/// </summary>
|
|
public int X { get { return x; } }
|
|
|
|
/// <summary>
|
|
/// Gets the Y position of the mouse for the event.
|
|
/// </summary>
|
|
public int Y { get { return y; } }
|
|
|
|
/// <summary>
|
|
/// Gets a System.Drawing.Points representing the location of the mouse for the event.
|
|
/// </summary>
|
|
public Point Position { get { return new Point(x, y); } }
|
|
|
|
/// <summary>
|
|
/// Gets the change in X position produced by this event.
|
|
/// </summary>
|
|
public int XDelta { get { return x_delta; } }
|
|
|
|
/// <summary>
|
|
/// Gets the change in Y position produced by this event.
|
|
/// </summary>
|
|
public int YDelta { get { return y_delta; } }
|
|
|
|
#endregion
|
|
}
|
|
|
|
/// <summary>
|
|
/// Provides data for the <see cref="MouseDevice.ButtonDown"/> and <see cref="MouseDevice.ButtonUp"/> events.
|
|
/// </summary>
|
|
public struct MouseButtonEventArgs
|
|
{
|
|
#region Fields
|
|
|
|
MouseButton button;
|
|
bool pressed;
|
|
int x, y;
|
|
|
|
#endregion
|
|
|
|
#region Constructors
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="MouseButtonEventArgs"/> class.
|
|
/// </summary>
|
|
/// <param name="x">The X position.</param>
|
|
/// <param name="y">The Y position.</param>
|
|
/// <param name="button">The mouse button for the event.</param>
|
|
/// <param name="pressed">The current state of the button.</param>
|
|
internal MouseButtonEventArgs(int x, int y, MouseButton button, bool pressed)
|
|
{
|
|
this.x = x;
|
|
this.y = y;
|
|
this.button = button;
|
|
this.pressed = pressed;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Public Members
|
|
|
|
/// <summary>
|
|
/// Gets the X position of the mouse for the event.
|
|
/// </summary>
|
|
public int X { get { return x; } }
|
|
|
|
/// <summary>
|
|
/// Gets the Y position of the mouse for the event.
|
|
/// </summary>
|
|
public int Y { get { return y; } }
|
|
|
|
/// <summary>
|
|
/// Gets a System.Drawing.Points representing the location of the mouse for the event.
|
|
/// </summary>
|
|
public Point Position { get { return new Point(x, y); } }
|
|
|
|
/// <summary>
|
|
/// The mouse button for the event.
|
|
/// </summary>
|
|
public MouseButton Button { get { return this.button; } }
|
|
|
|
/// <summary>
|
|
/// Gets a System.Boolean representing the state of the mouse button for the event.
|
|
/// </summary>
|
|
public bool IsPressed { get { return pressed; } }
|
|
|
|
#endregion
|
|
}
|
|
|
|
/// <summary>
|
|
/// Provides data for the <see cref="MouseDevice.WheelChanged"/> event.
|
|
/// </summary>
|
|
public struct MouseWheelEventArgs
|
|
{
|
|
#region Fields
|
|
|
|
int value;
|
|
int delta;
|
|
int x, y;
|
|
|
|
#endregion
|
|
|
|
#region Constructors
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="MouseWheelEventArgs"/> class.
|
|
/// </summary>
|
|
/// <param name="x">The X position.</param>
|
|
/// <param name="y">The Y position.</param>
|
|
/// <param name="value">The value of the wheel.</param>
|
|
/// <param name="delta">The change in value of the wheel for this event.</param>
|
|
public MouseWheelEventArgs(int x, int y, int value, int delta)
|
|
{
|
|
this.x = x;
|
|
this.y = y;
|
|
this.value = value;
|
|
this.delta = delta;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Public Members
|
|
|
|
/// <summary>
|
|
/// Gets the X position of the mouse for the event.
|
|
/// </summary>
|
|
public int X { get { return x; } }
|
|
|
|
/// <summary>
|
|
/// Gets the Y position of the mouse for the event.
|
|
/// </summary>
|
|
public int Y { get { return y; } }
|
|
|
|
/// <summary>
|
|
/// Gets a System.Drawing.Points representing the location of the mouse for the event.
|
|
/// </summary>
|
|
public Point Position { get { return new Point(x, y); } }
|
|
|
|
/// <summary>
|
|
/// The value of the wheel.
|
|
/// </summary>
|
|
public int Value { get { return value; } }
|
|
|
|
/// <summary>
|
|
/// The change in value of the wheel for this event.
|
|
/// </summary>
|
|
public int Delta { get { return delta; } }
|
|
|
|
#endregion
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Event Handlers
|
|
|
|
/// <summary>
|
|
/// Defines a <see cref="MouseDevice.Move"/> event.
|
|
/// </summary>
|
|
/// <param name="sender">The MouseDevice that generated this event.</param>
|
|
/// <param name="e">A <see cref="MouseMoveEventArgs"/> that contains the event data.</param>
|
|
public delegate void MouseMoveEventHandler(object sender, MouseMoveEventArgs e);
|
|
|
|
/// <summary>
|
|
/// Defines a <see cref="MouseDevice.WheelChanged"/> event.
|
|
/// </summary>
|
|
/// <param name="sender">The MouseDevice that generated this event.</param>
|
|
/// <param name="e">A <see>MouseWheelEventArgs</see> that contains the event data.</param>
|
|
public delegate void MouseWheelEventHandler(object sender, MouseWheelEventArgs e);
|
|
|
|
/// <summary>
|
|
/// Defines the <see cref="MouseDevice.ButtonDown"/> and <see cref="MouseDevice.ButtonUp"/> events.
|
|
/// </summary>
|
|
/// <param name="sender">The MouseDevice that generated this event.</param>
|
|
/// <param name="e">A <see cref="MouseButtonEventArgs"/> that contains the event data.</param>
|
|
public delegate void MouseButtonEventHandler(object sender, MouseButtonEventArgs e);
|
|
|
|
#endregion
|
|
}
|