mirror of
https://github.com/Ryujinx/Opentk.git
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704 lines
22 KiB
C#
704 lines
22 KiB
C#
#region --- License ---
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/* Copyright (c) 2007 Stefanos Apostolopoulos
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* See license.txt for license info
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*/
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#endregion
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#region --- Using directives ---
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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using System.Diagnostics;
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using OpenTK.Graphics.OpenGL;
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using OpenTK.Input;
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using OpenTK.Graphics;
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using System.Drawing;
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#endregion
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namespace OpenTK.Platform.Windows
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{
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/// <summary>
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/// Drives GameWindow on Windows.
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/// This class supports OpenTK, and is not intended for use by OpenTK programs.
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/// </summary>
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internal sealed class WinGLNative : System.Windows.Forms.NativeWindow, INativeGLWindow
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{
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#region --- Fields ---
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private IInputDriver driver;
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private bool visible = true;
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private bool disposed;
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private bool isExiting;
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private bool exists;
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private WinWindowInfo window;
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private WindowBorder windowBorder = WindowBorder.Resizable, previous_window_border;
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private WindowState windowState = WindowState.Normal;
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private int top, bottom, left, right;
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//private int width = 0, height = 0;
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private Rectangle previous_client_area;
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private Point position = new Point();
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private Rectangle client_rectangle = new Rectangle();
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private Size window_size = new Size();
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//private Rectangle borders = new Rectangle();
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private ResizeEventArgs resizeEventArgs = new ResizeEventArgs();
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/// <summary>
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/// For use in PeekMessage.
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/// </summary>
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private MSG myGoodMsg = new MSG();
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private int left_border, right_border, top_border, bottom_border;
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#endregion
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#region --- Contructors ---
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/// <internal />
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/// <summary>
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/// Constructs a new WinGLNative class. Call CreateWindow to create the
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/// actual render window.
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/// </summary>
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internal WinGLNative()
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{
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Debug.Print("Native window driver: {0}", this.ToString());
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}
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#endregion
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#region --- Protected Members ---
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#region protected override void WndProc(ref Message m)
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/// <summary>
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/// Processes incoming WM_* messages.
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/// </summary>
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/// <param name="m">Reference to the incoming Windows Message.</param>
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protected override void WndProc(ref Message m)
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{
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switch ((WindowMessage)m.Msg)
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{
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case WindowMessage.ACTIVATE:
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break;
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case WindowMessage.WINDOWPOSCHANGED:
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WindowPosition pos = (WindowPosition)Marshal.PtrToStructure(m.LParam, typeof(WindowPosition));
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position.X = pos.x;
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position.Y = pos.y;
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window_size.Width = pos.cx;
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window_size.Height = pos.cy;
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Functions.GetClientRect(Handle, out client_rectangle);
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break;
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case WindowMessage.STYLECHANGED:
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WindowStyle style = (WindowStyle)(long)Functions.GetWindowLong(Handle, GetWindowLongOffsets.STYLE);
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if ((style & WindowStyle.Popup) != 0)
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windowBorder = WindowBorder.Hidden;
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else if ((style & WindowStyle.ThickFrame) != 0)
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windowBorder = WindowBorder.Resizable;
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else if ((style & ~(WindowStyle.ThickFrame | WindowStyle.MaximizeBox)) != 0)
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windowBorder = WindowBorder.Fixed;
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break;
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case WindowMessage.SIZE:
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long state = m.WParam.ToInt64();
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switch (state)
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{
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case 0: windowState = WindowState.Normal; break;
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case 1: windowState = WindowState.Minimized; break;
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case 2:
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windowState = WindowBorder == WindowBorder.Hidden ? WindowState.Fullscreen : WindowState.Maximized;
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break;
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}
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break;
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//case WindowMessage.MOUSELEAVE:
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// Cursor.Current = Cursors.Default;
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// break;
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//case WindowMessage.MOUSE_ENTER:
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// Cursor.Current = Cursors.Default;
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// break;
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case WindowMessage.CREATE:
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// Set the window width and height:
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pos = (WindowPosition)Marshal.PtrToStructure(m.LParam, typeof(WindowPosition));
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position.X = pos.x;
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position.Y = pos.y;
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window_size.Width = pos.cx;
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window_size.Height = pos.cy;
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// Raise the Create event
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this.OnCreate(EventArgs.Empty);
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return;
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case WindowMessage.CLOSE:
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//this.DestroyWindow();
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this.OnDestroy(EventArgs.Empty);
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return;
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//break;
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case WindowMessage.DESTROY:
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//this.OnDestroy(EventArgs.Empty);
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exists = false;
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isExiting = true;
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break;
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case WindowMessage.QUIT:
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isExiting = true;
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//this.Dispose();
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//Debug.WriteLine("Application quit.");
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return;
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}
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//DefWndProc(ref m);
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base.WndProc(ref m);
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}
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#endregion
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#endregion
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#region --- INativeGLWindow Members ---
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#region public void ProcessEvents()
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private int ret;
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MSG msg;
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public void ProcessEvents()
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{
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while (!IsIdle)
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{
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ret = Functions.GetMessage(ref msg, Handle, 0, 0);
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if (ret == -1)
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{
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throw new ApplicationException(String.Format(
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"An error happened while processing the message queue. Windows error: {0}",
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Marshal.GetLastWin32Error()));
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}
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Functions.DispatchMessage(ref msg);
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//WndProc(ref msg);
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}
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}
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#endregion
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#region public IInputDriver InputDriver
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public IInputDriver InputDriver
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{
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get
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{
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return driver;
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}
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}
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#endregion
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#region public bool Exists
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/// <summary>
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/// Returns true if a render window/context exists.
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/// </summary>
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public bool Exists
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{
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get { return exists; }
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}
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#endregion
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#region public bool IsExiting
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public bool IsExiting
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{
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get { return isExiting; }
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}
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#endregion
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#region public bool IsIdle
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public bool IsIdle
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{
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get
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{
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//return !API.PeekMessage(out msg, IntPtr.Zero, 0, 0, 0);
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return !Functions.PeekMessage(ref myGoodMsg, this.Handle, 0, 0, 0);
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//return API.GetQueueStatus(API.QueueStatusFlags.ALLEVENTS) == 0;
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}
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}
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#endregion
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#region public string Text
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public string Title
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{
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get
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{
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StringBuilder title = new StringBuilder(256);
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Functions.GetWindowText(window.WindowHandle, title, title.Capacity);
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return title.ToString();
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}
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set
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{
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#if DEBUG
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bool ret = Functions.SetWindowText(window.WindowHandle, value);
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if (ret)
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Debug.Print("Window {0} title changed to {1}.", window.WindowHandle, value);
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else
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Debug.Print("Window {0} title failed to change to {1}.", window.WindowHandle, value);
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#else
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Functions.SetWindowText(window.WindowHandle, value);
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#endif
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}
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}
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#endregion
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#region public bool Visible
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/// <summary>
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/// TODO
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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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return visible;
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}
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set
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{
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if (value && !Visible)
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{
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Functions.ShowWindow(Handle, ShowWindowCommand.SHOWNORMAL);
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visible = true;
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}
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else if (!value && Visible)
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{
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Functions.ShowWindow(Handle, ShowWindowCommand.HIDE);
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visible = false;
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}
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}
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}
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#endregion
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#region public IWindowInfo WindowInfo
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public IWindowInfo WindowInfo
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{
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get { return window; }
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//private set { window = value as WindowInfo; }
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}
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#endregion
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#region public void CreateWindow(int width, int height, GraphicsMode mode, out IGraphicsContext context)
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public void CreateWindow(int width, int height, GraphicsMode mode, out IGraphicsContext context)
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{
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Debug.Print("Creating native window.");
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Debug.Indent();
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//Debug.Print("GraphicsMode: {0}", format.ToString());
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CreateParams cp = new CreateParams();
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cp.ClassStyle =
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(int)WindowClassStyle.OwnDC |
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(int)WindowClassStyle.VRedraw |
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(int)WindowClassStyle.HRedraw |
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(int)WindowClassStyle.Ime;
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cp.Style =
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(int)WindowStyle.Visible |
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(int)WindowStyle.ClipChildren |
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(int)WindowStyle.ClipSiblings |
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(int)WindowStyle.OverlappedWindow;
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Rectangle rect = new Rectangle();
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rect.top = rect.left = 0;
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rect.bottom = height;
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rect.right = width;
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Functions.AdjustWindowRect(ref rect, WindowStyle.OverlappedWindow, false);
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// Not used
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Top = 0;
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Left = 0;
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Right = width;
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Bottom = height;
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// --------
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top_border = -rect.top;
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left_border = -rect.left;
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bottom_border = rect.bottom - height;
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right_border = rect.right - width;
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//cp.Width = rect.right - rect.left;
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//cp.Height = rect.bottom - rect.top;
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//cp.Caption = "OpenTK Game Window";
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// Keep in mind that some construction code runs in WM_CREATE,
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// which is raised CreateHandle()
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CreateHandle(cp);
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if (this.Handle != IntPtr.Zero)
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{
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Debug.WriteLine("Window creation succesful.");
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//context.Info = new OpenTK.Platform.WindowInfo(this);
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//context.CreateContext();
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//Debug.WriteLine("Context creation successful.");
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exists = true;
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}
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else throw new ApplicationException(String.Format(
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"Could not create native window and/or context. Handle: {0}",
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this.Handle));
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Functions.SetWindowPos(this.Handle, WindowPlacementOptions.TOP, Left, Top, rect.right - rect.left,
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rect.bottom - rect.top, SetWindowPosFlags.SHOWWINDOW);
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context = new GraphicsContext(mode, window);
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Cursor.Current = Cursors.Default;
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Debug.Unindent();
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}
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#endregion
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#region OnCreate
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public event CreateEvent Create;
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public void OnCreate(EventArgs e)
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{
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this.window = new WinWindowInfo(Handle, null);
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//driver = new WinRawInput(this.window); // Disabled until the mouse issues are resolved.
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driver = new WMInput(this.window);
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Debug.Print("Window created: {0}", window);
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if (this.Create != null)
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this.Create(this, e);
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}
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#endregion
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#region private void DestroyWindow()
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/// <summary>
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/// Starts the teardown sequence for the current window.
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/// </summary>
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public void DestroyWindow()
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{
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Debug.Print("Destroying window: {0}", window.ToString());
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//Functions.PostMessage(this.Handle, WindowMessage.DESTROY, IntPtr.Zero, IntPtr.Zero);
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Functions.DestroyWindow(this.Handle);
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}
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#endregion
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#region OnDestroy
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public void OnDestroy(EventArgs e)
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{
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Debug.Print("Destroy event fired from window: {0}", window.ToString());
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if (this.Destroy != null)
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this.Destroy(this, e);
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/*
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if (this.Handle != IntPtr.Zero)
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{
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Debug.Print("Window handle {0} destroyed.", this.Handle);
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//this.DestroyHandle(); // Destroyed automatically by DefWndProc
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//this.Dispose();
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exists = false;
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}
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*/
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//API.PostQuitMessage(0);
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}
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public event DestroyEvent Destroy;
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#endregion
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#region PointToClient
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public void PointToClient(ref System.Drawing.Point p)
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{
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if (!Functions.ScreenToClient(this.Handle, ref p))
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throw new InvalidOperationException(String.Format(
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"Could not convert point {0} from client to screen coordinates. Windows error: {1}",
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p.ToString(), Marshal.GetLastWin32Error()));
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}
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#endregion
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#region PointToScreen
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public void PointToScreen(ref System.Drawing.Point p)
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{
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throw new NotImplementedException();
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}
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#endregion
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#region public WindowState WindowState
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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 windowState;
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}
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set
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{
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if (WindowState == value)
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return;
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IntPtr style = Functions.GetWindowLong(Handle, GetWindowLongOffsets.STYLE);
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ShowWindowCommand command = (ShowWindowCommand)0;
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SetWindowPosFlags flags = SetWindowPosFlags.NOREPOSITION;
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int new_width = 0, new_height = 0;
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switch (value)
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{
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case WindowState.Normal:
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command = ShowWindowCommand.RESTORE;
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flags |= SetWindowPosFlags.SHOWWINDOW | SetWindowPosFlags.FRAMECHANGED;
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if (WindowState == WindowState.Fullscreen || WindowState == WindowState.Maximized)
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WindowBorder = previous_window_border;
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new_width = previous_client_area.Width;
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new_height = previous_client_area.Height;
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break;
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case WindowState.Minimized:
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command = ShowWindowCommand.SHOWMINIMIZED;
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flags |= SetWindowPosFlags.NOSIZE;
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break;
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case WindowState.Maximized:
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case WindowState.Fullscreen:
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if (WindowState == WindowState.Normal || WindowState == WindowState.Minimized)
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{
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// Get the normal size of the window, so we can set it when reverting from fullscreen/maximized to normal.
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previous_client_area = new Rectangle(window_size.Width, window_size.Height);
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previous_window_border = WindowBorder;
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}
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command = ShowWindowCommand.SHOWMAXIMIZED;
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flags |= SetWindowPosFlags.SHOWWINDOW | SetWindowPosFlags.DRAWFRAME | SetWindowPosFlags.NOSIZE;
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if (value == WindowState.Fullscreen)
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this.WindowBorder = WindowBorder.Hidden;
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else
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this.WindowBorder = previous_window_border;
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break;
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}
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Functions.ShowWindow(Handle, command);
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Functions.SetWindowPos(Handle, WindowPlacementOptions.TOP, 0, 0, new_width, new_height, flags);
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//windowState = value;
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}
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}
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#endregion
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#region public WindowBorder WindowBorder
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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 windowBorder;
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}
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set
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{
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if (windowBorder == value)
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return;
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WindowStyle style = WindowStyle.ClipChildren | WindowStyle.ClipSiblings;
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switch (value)
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{
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case WindowBorder.Resizable:
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style |= WindowStyle.OverlappedWindow;
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break;
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case WindowBorder.Fixed:
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style |= WindowStyle.OverlappedWindow & ~(WindowStyle.ThickFrame | WindowStyle.MaximizeBox |
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WindowStyle.SizeBox);
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break;
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case WindowBorder.Hidden:
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style |= WindowStyle.Popup;
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break;
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}
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Functions.SetWindowLong(Handle, GetWindowLongOffsets.STYLE, (IntPtr)(int)style);
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Functions.SetWindowPos(Handle, WindowPlacementOptions.TOP, 0, 0, 0, 0, SetWindowPosFlags.NOMOVE |
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SetWindowPosFlags.NOSIZE | SetWindowPosFlags.FRAMECHANGED | SetWindowPosFlags.SHOWWINDOW);
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//windowBorder = value;
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}
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}
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#endregion
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#endregion
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#region --- IResizable Members ---
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#region public int Width
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/// <summary>Gets a System.Int32 containing the Width of this GameWindow.</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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return client_rectangle.Width;
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}
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set
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{
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if (value <= 0) throw new ArgumentOutOfRangeException("Window width must be higher than zero.");
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//if (WindowState == WindowState.Fullscreen || WindowState == WindowState.Maximized)
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// throw new InvalidOperationException("Cannot resize a fullscreen or maximized window.");
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Functions.SetWindowPos(Handle, WindowPlacementOptions.TOP, 0, 0, value, Height, SetWindowPosFlags.NOMOVE);
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}
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}
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#endregion
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#region public int Height
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/// <summary>Gets a System.Int32 containing the Heights of this GameWindow.</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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return client_rectangle.Height;
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}
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set
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{
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if (value <= 0) throw new ArgumentOutOfRangeException("Window height must be higher than zero.");
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Functions.SetWindowPos(Handle, WindowPlacementOptions.TOP, 0, 0, Width, value, SetWindowPosFlags.NOMOVE);
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}
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}
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#endregion
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#region public void OnResize
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public event ResizeEvent Resize;
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public void OnResize(ResizeEventArgs e)
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{
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if (Resize != null)
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Resize(this, e);
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|
|
|
throw new NotImplementedException("Use GameWindow.OnResize instead.");
|
|
//this.width = e.Width;
|
|
//this.height = e.Height;
|
|
//if (this.Resize != null)
|
|
// this.Resize(this, e);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Top, Bottom, Left and Right
|
|
|
|
public int Top
|
|
{
|
|
get { return top; }
|
|
private set { top = value; }
|
|
}
|
|
|
|
public int Bottom
|
|
{
|
|
get { return bottom; }
|
|
private set { bottom = value; }
|
|
}
|
|
|
|
public int Left
|
|
{
|
|
get { return left; }
|
|
private set { left = value; }
|
|
}
|
|
|
|
public int Right
|
|
{
|
|
get { return right; }
|
|
private set { right = value; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region --- IDisposable Members ---
|
|
|
|
public void Dispose()
|
|
{
|
|
this.Dispose(true);
|
|
//GC.SuppressFinalize(this);
|
|
}
|
|
|
|
private void Dispose(bool calledManually)
|
|
{
|
|
if (!disposed)
|
|
{
|
|
// Clean unmanaged resources here:
|
|
|
|
if (calledManually)
|
|
{
|
|
// Safe to clean managed resources
|
|
//base.DestroyHandle();
|
|
}
|
|
disposed = true;
|
|
}
|
|
}
|
|
/*
|
|
~WinGLNative()
|
|
{
|
|
Dispose(false);
|
|
}
|
|
*/
|
|
#endregion
|
|
}
|
|
|
|
#region class WindowHandle : Microsoft.Win32.SafeHandles.SafeHandleZeroOrMinusOneIsInvalid
|
|
|
|
/*
|
|
class WindowHandle : Microsoft.Win32.SafeHandles.SafeHandleZeroOrMinusOneIsInvalid
|
|
{
|
|
protected override bool ReleaseHandle()
|
|
{
|
|
throw new Exception("The method or operation is not implemented.");
|
|
}
|
|
|
|
public override bool IsInvalid
|
|
{
|
|
get
|
|
{
|
|
return base.IsInvalid;
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
|
|
#endregion
|
|
}
|