905 lines
28 KiB
C#
905 lines
28 KiB
C#
using System;
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using System.ComponentModel;
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using System.Drawing;
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using OpenTK.Graphics;
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using OpenTK.Input;
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using OpenTK.Platform;
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namespace OpenTK
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{
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/// <summary>
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/// Instances of this class implement the <see cref="OpenTK.INativeWindow"/> interface on the current platform.
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/// </summary>
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public class NativeWindow : INativeWindow
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{
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#region --- Fields ---
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private bool disposed;
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private readonly INativeWindow implementation;
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#endregion
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#region --- Contructors ---
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#region NativeWindow()
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/// <summary>Constructs a new NativeWindow with default attributes without enabling events.</summary>
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public NativeWindow()
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: this(640, 480, "OpenTK Native Window", GameWindowFlags.Default, GraphicsMode.Default, DisplayDevice.Default, false) { }
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#endregion
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#region
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/// <summary>Constructs a new NativeWindow with default attributes.</summary>
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/// <param name="enableEvents">Indicates to enable event processing as part of the NativeWindow construction.</param>
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public NativeWindow(bool enableEvents)
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: this(640, 480, "OpenTK Native Window", GameWindowFlags.Default, GraphicsMode.Default, DisplayDevice.Default, enableEvents) { }
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#endregion
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// TODO: Remaining constructors.
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#region NativeWindow(int width, int height, string title, GameWindowFlags options, GraphicsMode mode, DisplayDevice device)
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/// <summary>Constructs a new centered NativeWindow with the specified attributes without enabling events.</summary>
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/// <param name="width">The width of the NativeWindow in pixels.</param>
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/// <param name="height">The height of the NativeWindow in pixels.</param>
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/// <param name="title">The title of the NativeWindow.</param>
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/// <param name="options">GameWindow options specifying window appearance and behavior.</param>
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/// <param name="mode">The OpenTK.Graphics.GraphicsMode of the NativeWindow.</param>
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/// <param name="device">The OpenTK.Graphics.DisplayDevice to construct the NativeWindow in.</param>
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/// <exception cref="System.ArgumentOutOfRangeException">If width or height is less than 1.</exception>
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/// <exception cref="System.ArgumentNullException">If mode or device is null.</exception>
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public NativeWindow(int width, int height, string title, GameWindowFlags options, GraphicsMode mode, DisplayDevice device)
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: this(width, height, title, options, mode, device, false) { }
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#endregion
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#region NativeWindow(int width, int height, string title, GameWindowFlags options, GraphicsMode mode, DisplayDevice device, bool enableEvents)
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/// <summary>Constructs a new centered NativeWindow with the specified attributes.</summary>
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/// <param name="width">The width of the NativeWindow in pixels.</param>
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/// <param name="height">The height of the NativeWindow in pixels.</param>
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/// <param name="title">The title of the NativeWindow.</param>
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/// <param name="options">GameWindow options specifying window appearance and behavior.</param>
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/// <param name="mode">The OpenTK.Graphics.GraphicsMode of the NativeWindow.</param>
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/// <param name="device">The OpenTK.Graphics.DisplayDevice to construct the NativeWindow in.</param>
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/// <param name="enableEvents">Indicates to enable event processing as part of the NativeWindow construction.</param>
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/// <exception cref="System.ArgumentOutOfRangeException">If width or height is less than 1.</exception>
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/// <exception cref="System.ArgumentNullException">If mode or device is null.</exception>
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public NativeWindow(int width, int height, string title, GameWindowFlags options, GraphicsMode mode, DisplayDevice device, bool enableEvents)
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: this(device.Bounds.Left + (device.Bounds.Width - width) / 2,
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device.Bounds.Top + (device.Bounds.Height - height) / 2,
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width, height, title, options, mode, device, enableEvents) { }
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#endregion
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#region NativeWindow0(int x, int y, int width, int height, string title, GameWindowFlags options, GraphicsMode mode, DisplayDevice device)
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/// <summary>Constructs a new NativeWindow with the specified attributes without enabling events.</summary>
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/// <param name="x">Horizontal screen space coordinate of the NativeWindow's origin.</param>
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/// <param name="y">Vertical screen space coordinate of the NativeWindow's origin.</param>
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/// <param name="width">The width of the NativeWindow in pixels.</param>
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/// <param name="height">The height of the NativeWindow in pixels.</param>
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/// <param name="title">The title of the NativeWindow.</param>
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/// <param name="options">GameWindow options specifying window appearance and behavior.</param>
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/// <param name="mode">The OpenTK.Graphics.GraphicsMode of the NativeWindow.</param>
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/// <param name="device">The OpenTK.Graphics.DisplayDevice to construct the NativeWindow in.</param>
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/// <exception cref="System.ArgumentOutOfRangeException">If width or height is less than 1.</exception>
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/// <exception cref="System.ArgumentNullException">If mode or device is null.</exception>
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public NativeWindow(int x, int y, int width, int height, string title, GameWindowFlags options, GraphicsMode mode, DisplayDevice device)
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: this(x, y, width, height, title, options, mode, device, false) { }
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#endregion
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#region NativeWindow0(int x, int y, int width, int height, string title, GameWindowFlags options, GraphicsMode mode, DisplayDevice device, bool enableEvents)
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/// <summary>Constructs a new NativeWindow with the specified attributes.</summary>
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/// <param name="x">Horizontal screen space coordinate of the NativeWindow's origin.</param>
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/// <param name="y">Vertical screen space coordinate of the NativeWindow's origin.</param>
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/// <param name="width">The width of the NativeWindow in pixels.</param>
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/// <param name="height">The height of the NativeWindow in pixels.</param>
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/// <param name="title">The title of the NativeWindow.</param>
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/// <param name="options">GameWindow options specifying window appearance and behavior.</param>
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/// <param name="mode">The OpenTK.Graphics.GraphicsMode of the NativeWindow.</param>
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/// <param name="device">The OpenTK.Graphics.DisplayDevice to construct the NativeWindow in.</param>
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/// <param name="enableEvents">Indicates to enable event processing as part of the NativeWindow construction.</param>
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/// <exception cref="System.ArgumentOutOfRangeException">If width or height is less than 1.</exception>
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/// <exception cref="System.ArgumentNullException">If mode or device is null.</exception>
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public NativeWindow(int x, int y, int width, int height, string title, GameWindowFlags options, GraphicsMode mode, DisplayDevice device, bool enableEvents)
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{
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// TODO: Should a constraint be added for the position?
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if (width < 1)
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throw new ArgumentOutOfRangeException("width", "Must be greater than zero.");
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if (height < 1)
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throw new ArgumentOutOfRangeException("height", "Must be greater than zero.");
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if (mode == null)
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throw new ArgumentNullException("mode");
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if (device == null)
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throw new ArgumentNullException("device");
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implementation = Factory.Default.CreateNativeWindow(x, y, width, height, title, mode, options, device);
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if ((options & GameWindowFlags.Fullscreen) != 0)
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{
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device.ChangeResolution(width, height, mode.ColorFormat.BitsPerPixel, 0);
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WindowState = WindowState.Fullscreen;
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}
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if (enableEvents) EnableEvents();
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}
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#endregion
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#endregion
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#region --- INativeWindow Members ---
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#region Methods
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#region Close
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/// <summary>
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/// Closes the NativeWindow.
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/// </summary>
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public void Close()
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{
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EnsureUndisposed();
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implementation.Close();
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}
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#endregion
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#region PointToClient
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/// <summary>
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/// Transforms the specified point from screen to client coordinates.
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/// </summary>
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/// <param name="point">
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/// A <see cref="System.Drawing.Point"/> to transform.
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/// </param>
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/// <returns>
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/// The point transformed to client coordinates.
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/// </returns>
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public System.Drawing.Point PointToClient(System.Drawing.Point point)
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{
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return implementation.PointToClient(point);
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}
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#endregion
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#region PointToScreen
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/// <summary>
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/// Transforms the specified point from client to screen coordinates.
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/// </summary>
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/// <param name="point">
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/// A <see cref="System.Drawing.Point"/> to transform.
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/// </param>
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/// <returns>
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/// The point transformed to screen coordinates.
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/// </returns>
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public System.Drawing.Point PointToScreen(System.Drawing.Point point)
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{
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// Here we use the fact that PointToClient just translates the point, and PointToScreen
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// should perform the inverse operation.
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System.Drawing.Point trans = PointToClient(System.Drawing.Point.Empty);
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point.X -= trans.X;
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point.Y -= trans.Y;
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return point;
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}
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#endregion
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#region ProcessEvents
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/// <summary>
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/// Processes operating system events until the NativeWindow becomes idle.
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/// </summary>
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public void ProcessEvents()
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{
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EnsureUndisposed();
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implementation.ProcessEvents();
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}
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#endregion
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#endregion
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#region Properties
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#region Bounds
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/// <summary>
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/// Gets or sets a <see cref="System.Drawing.Rectangle"/> structure that contains the external bounds of this window, in screen coordinates.
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/// External bounds include the title bar, borders and drawing area of the window.
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/// </summary>
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public Rectangle Bounds
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{
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get
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{
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EnsureUndisposed();
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return implementation.Bounds;
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}
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set
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{
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EnsureUndisposed();
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implementation.Bounds = value;
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}
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}
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#endregion
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#region ClientRectangle
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/// <summary>
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/// Gets or sets a <see cref="System.Drawing.Rectangle"/> structure that contains the internal bounds of this window, in client coordinates.
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/// The internal bounds include the drawing area of the window, but exclude the titlebar and window borders.
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/// </summary>
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public Rectangle ClientRectangle
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{
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get
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{
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EnsureUndisposed();
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return implementation.ClientRectangle;
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}
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set
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{
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EnsureUndisposed();
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implementation.ClientRectangle = value;
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}
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}
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#endregion
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#region ClientSize
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/// <summary>
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/// Gets or sets a <see cref="System.Drawing.Size"/> structure that contains the internal size this window.
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/// </summary>
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public Size ClientSize
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{
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get
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{
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EnsureUndisposed();
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return implementation.ClientSize;
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}
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set
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{
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EnsureUndisposed();
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implementation.ClientSize = value;
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}
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}
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#endregion
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#region Exists
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/// <summary>
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/// Gets a value indicating whether a render window exists.
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/// </summary>
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public bool Exists
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{
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get
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{
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return disposed ? false : implementation.Exists; // TODO: Should disposed be ignored instead?
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}
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}
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#endregion
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#region Focused
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/// <summary>
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/// Gets a System.Boolean that indicates whether this NativeWindow has input focus.
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/// </summary>
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public bool Focused
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{
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get
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{
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EnsureUndisposed();
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return implementation.Focused;
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}
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}
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#endregion
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#region Height
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/// <summary>
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/// Gets or sets the external height of this window.
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/// </summary>
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public int Height
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{
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get
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{
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EnsureUndisposed();
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return implementation.Height;
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}
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set
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{
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EnsureUndisposed();
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implementation.Height = value;
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}
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}
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#endregion
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#region InputDriver
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/// <summary>
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/// This property is deprecated.
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/// </summary>
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[Obsolete]
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public IInputDriver InputDriver
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{
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get
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{
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EnsureUndisposed();
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return implementation.InputDriver;
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}
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}
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#endregion
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#region Location
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/// <summary>
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/// Gets or sets a <see cref="System.Drawing.Point"/> structure that contains the location of this window on the desktop.
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/// </summary>
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public Point Location
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{
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get
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{
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EnsureUndisposed();
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return implementation.Location;
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}
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set
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{
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EnsureUndisposed();
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implementation.Location = value;
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}
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}
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#endregion
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#region Size
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/// <summary>
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/// Gets or sets a <see cref="System.Drawing.Size"/> structure that contains the external size of this window.
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/// </summary>
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public Size Size
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{
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get
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{
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EnsureUndisposed();
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return implementation.Size;
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}
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set
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{
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EnsureUndisposed();
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implementation.Size = value;
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}
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}
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#endregion
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#region Title
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/// <summary>
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/// Gets or sets the NativeWindow title.
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/// </summary>
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public string Title
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{
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get
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{
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EnsureUndisposed();
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return implementation.Title;
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}
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set
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{
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EnsureUndisposed();
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implementation.Title = value;
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}
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}
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#endregion
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#region Visible
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/// <summary>
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/// Gets or sets a System.Boolean that indicates whether this NativeWindow is visible.
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/// </summary>
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public bool Visible
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{
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get
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{
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EnsureUndisposed();
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return implementation.Visible;
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}
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set
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{
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EnsureUndisposed();
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implementation.Visible = value;
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}
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}
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#endregion
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#region Width
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/// <summary>
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/// Gets or sets the external width of this window.
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/// </summary>
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public int Width
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{
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get
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{
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EnsureUndisposed();
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return implementation.Width;
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}
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set
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{
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EnsureUndisposed();
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implementation.Width = value;
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}
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}
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#endregion
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#region WindowBorder
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/// <summary>
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/// Gets or states the border of the NativeWindow.
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/// </summary>
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public WindowBorder WindowBorder
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{
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get
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{
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return implementation.WindowBorder;
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}
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set
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{
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implementation.WindowBorder = value;
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}
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}
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#endregion
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#region WindowInfo
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/// <summary>
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/// Gets the <see cref="OpenTK.Platform.IWindowInfo"/> of this window.
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/// </summary>
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public IWindowInfo WindowInfo
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{
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get
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{
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EnsureUndisposed();
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return implementation.WindowInfo;
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}
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}
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#endregion
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#region WindowState
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/// <summary>
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/// Gets or states the state of the NativeWindow.
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/// </summary>
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public WindowState WindowState
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{
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get
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{
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return implementation.WindowState;
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}
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set
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{
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implementation.WindowState = value;
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}
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}
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#endregion
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#region X
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/// <summary>
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/// Gets or sets the horizontal location of this window on the desktop.
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/// </summary>
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public int X
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{
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get
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{
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EnsureUndisposed();
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return implementation.X;
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}
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set
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{
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EnsureUndisposed();
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implementation.X = value;
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}
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}
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#endregion
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#region Y
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/// <summary>
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/// Gets or sets the vertical location of this window on the desktop.
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/// </summary>
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public int Y
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{
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get
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{
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EnsureUndisposed();
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return implementation.Y;
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}
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set
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{
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EnsureUndisposed();
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implementation.Y = value;
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}
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}
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#endregion
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#endregion
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#region Events
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/// <summary>
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/// Occurs after the window has closed.
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/// </summary>
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public event EventHandler<EventArgs> Closed;
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/// <summary>
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/// Occurs when the window is about to close.
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/// </summary>
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public event EventHandler<CancelEventArgs> Closing;
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/// <summary>
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/// Occurs when the window is disposed.
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/// </summary>
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public event EventHandler<EventArgs> Disposed;
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/// <summary>
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/// Occurs when the <see cref="Focused"/> property of the window changes.
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/// </summary>
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public event EventHandler<EventArgs> FocusedChanged;
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/// <summary>
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/// Occurs whenever a character is typed.
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/// </summary>
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public event EventHandler<KeyPressEventArgs> KeyPress;
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/// <summary>
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/// Occurs whenever the window is moved.
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/// </summary>
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public event EventHandler<EventArgs> Move;
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/// <summary>
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/// Occurs whenever the window is resized.
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/// </summary>
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public event EventHandler<EventArgs> Resize;
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/// <summary>
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/// Occurs when the <see cref="Title"/> property of the window changes.
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/// </summary>
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public event EventHandler<EventArgs> TitleChanged;
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/// <summary>
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/// Occurs when the <see cref="Visible"/> property of the window changes.
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/// </summary>
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public event EventHandler<EventArgs> VisibleChanged;
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/// <summary>
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/// Occurs when the <see cref="WindowBorder"/> property of the window changes.
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/// </summary>
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public event EventHandler<EventArgs> WindowBorderChanged;
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/// <summary>
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/// Occurs when the <see cref="WindowState"/> property of the window changes.
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/// </summary>
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public event EventHandler<EventArgs> WindowStateChanged;
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#endregion
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#endregion
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#region --- IDisposable Members ---
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#region Dispose
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/// <summary>
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/// Releases all non-managed resources belonging to this NativeWindow.
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/// </summary>
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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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implementation.Dispose();
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GC.SuppressFinalize(this);
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disposed = true;
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}
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}
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#endregion
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#endregion
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#region --- Protected Members ---
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#region Methods
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#region DisableEvents
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/// <summary>
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/// Disables the propagation of OS events.
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/// </summary>
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protected void DisableEvents()
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{
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EnsureUndisposed();
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implementation.Closed -= OnClosedInternal;
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implementation.Closing -= OnClosingInternal;
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implementation.Disposed -= OnDisposedInternal;
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implementation.FocusedChanged -= OnFocusedChangedInternal;
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implementation.KeyPress -= OnKeyPressInternal;
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implementation.Move -= OnMoveInternal;
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implementation.Resize -= OnResizeInternal;
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implementation.TitleChanged -= OnTitleChangedInternal;
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implementation.VisibleChanged -= OnVisibleChangedInternal;
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implementation.WindowBorderChanged -= OnWindowBorderChangedInternal;
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implementation.WindowStateChanged -= OnWindowStateChangedInternal;
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}
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#endregion
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#region EnableEvents
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/// <summary>
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/// Enables the propagation of OS events.
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/// </summary>
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protected void EnableEvents()
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{
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EnsureUndisposed();
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implementation.Closed += OnClosedInternal;
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implementation.Closing += OnClosingInternal;
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implementation.Disposed += OnDisposedInternal;
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implementation.FocusedChanged += OnFocusedChangedInternal;
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implementation.KeyPress += OnKeyPressInternal;
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implementation.Move += OnMoveInternal;
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implementation.Resize += OnResizeInternal;
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implementation.TitleChanged += OnTitleChangedInternal;
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implementation.VisibleChanged += OnVisibleChangedInternal;
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implementation.WindowBorderChanged += OnWindowBorderChangedInternal;
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implementation.WindowStateChanged += OnWindowStateChangedInternal;
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}
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#endregion
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#region EnsureUndisposed
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/// <summary>
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/// Ensures that this NativeWindow has not been disposed.
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/// </summary>
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/// <exception cref="System.ObjectDisposedException">
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/// If this NativeWindow has been disposed.
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/// </exception>
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protected void EnsureUndisposed()
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{
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if (disposed) throw new ObjectDisposedException(GetType().Name);
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}
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#endregion
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#region IsDisposed
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protected bool IsDisposed() //TODO: Could be a property but with a different name than the variable because of the event. Alternatively the disposed variable could be renamed too.
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{
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return disposed;
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}
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#endregion
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#region OnClosed
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/// <summary>
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/// Called when the NativeWindow has closed.
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/// </summary>
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/// <param name="e">Not used.</param>
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protected virtual void OnClosed(EventArgs e) { }
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#endregion
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#region OnClosing
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/// <summary>
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/// Called when the NativeWindow is about to close.
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/// </summary>
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/// <param name="e">
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/// The <see cref="System.ComponentModel.CancelEventArgs" /> for this event.
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/// Set e.Cancel to true in order to stop the NativeWindow from closing.</param>
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protected virtual void OnClosing(CancelEventArgs e) { }
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#endregion
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#region OnMove
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/// <summary>
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/// Called when the NativeWindow is moved.
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/// </summary>
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/// <param name="e">Not used.</param>
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protected virtual void OnMove(EventArgs e) { }
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#endregion
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#region OnResize
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/// <summary>
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/// Called when the NativeWindow is resized.
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/// </summary>
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/// <param name="e">Not used.</param>
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protected virtual void OnResize(EventArgs e) { }
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#endregion
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#region OnWindowBorderChanged
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/// <summary>
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/// Called when the WindowBorder of this NativeWindow has changed.
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/// </summary>
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/// <param name="e">Not used.</param>
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protected virtual void OnWindowBorderChanged(EventArgs e) { }
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#endregion
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#region OnWindowStateChanged
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/// <summary>
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/// Called when the WindowState of this NativeWindow has changed.
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/// </summary>
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/// <param name="e">Not used.</param>
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protected virtual void OnWindowStateChanged(EventArgs e) { }
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#endregion
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#endregion
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#endregion
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#region --- Private Members ---
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#region OnClosedInternal
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private void OnClosedInternal(object sender, EventArgs e)
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{
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OnClosed(e);
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if (Closed != null) Closed(this, e);
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}
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#endregion
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#region OnClosingInternal
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private void OnClosingInternal(object sender, CancelEventArgs e)
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{
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OnClosing(e);
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if (Closing != null) Closing(this, e);
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//if (!e.Cancel) Close();
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}
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#endregion
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#region OnDisposedInternal
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private void OnDisposedInternal(object sender, EventArgs e)
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{
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// TODO: OnDisposed?
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if (Disposed != null) Disposed(this, e);
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}
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#endregion
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#region OnFocusedChangedInternal
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private void OnFocusedChangedInternal(object sender, EventArgs e)
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{
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// TODO: OnFocusedChanged?
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if (FocusedChanged != null) FocusedChanged(this, e);
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}
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#endregion
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#region OnKeyPressInternal
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private void OnKeyPressInternal(object sender, KeyPressEventArgs e)
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{
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// TODO: OnKeyPress?
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if (KeyPress != null) KeyPress(this, e);
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}
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#endregion
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#region OnMoveInternal
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private void OnMoveInternal(object sender, EventArgs e)
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{
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EnsureUndisposed();
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//if (!this.Exists || this.IsExiting) return; // TODO: See EnableEvents and DisableEvents.
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OnMove(e);
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if (Move != null) Move(this, e);
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}
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#endregion
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#region OnResizeInternal
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private void OnResizeInternal(object sender, EventArgs e)
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{
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EnsureUndisposed();
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//if (!this.Exists || this.IsExiting) return; // TODO: See EnableEvents and DisableEvents.
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OnResize(e);
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if (Resize != null) Resize(this, e);
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}
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#endregion
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#region OnTitleChangedInternal
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private void OnTitleChangedInternal(object sender, EventArgs e)
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{
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// TODO: OnTitleChanged?
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if (TitleChanged != null) TitleChanged(this, e);
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}
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#endregion
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#region OnVisibleChangedInternal
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private void OnVisibleChangedInternal(object sender, EventArgs e)
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{
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// TODO: OnVisibleChanged?
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if (VisibleChanged != null) VisibleChanged(this, e);
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}
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#endregion
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#region OnWindowBorderChangedInternal
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private void OnWindowBorderChangedInternal(object sender, EventArgs e)
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{
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OnWindowBorderChanged(e);
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if (WindowBorderChanged != null) WindowBorderChanged(this, e); // TODO: This was closed with EventArgs.Empty. Special reason?
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}
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#endregion
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#region OnWindowStateChangedInternal
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private void OnWindowStateChangedInternal(object sender, EventArgs e)
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{
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OnWindowStateChanged(e);
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if (WindowStateChanged != null) WindowStateChanged(this, e);
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}
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#endregion
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#endregion
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}
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}
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