mirror of
https://github.com/Ryujinx/Opentk.git
synced 2024-12-26 05:15:32 +00:00
a85cecdc59
Added IDisposable interface to all classes holding native data that must be freed. OpenTK.Toolkit.Init() now returns an IDisposable instance that can be used to cleanup all native data held by OpenTK. This is useful when re-initializing OpenTK (possibly in a new AppDomain), as is the case in the Example browser.
811 lines
25 KiB
C#
811 lines
25 KiB
C#
#region License
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//
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// The Open Toolkit Library License
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//
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// Copyright (c) 2006 - 2013 Stefanos Apostolopoulos for the Open Toolkit library.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do
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// so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Runtime.InteropServices;
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using OpenTK;
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using OpenTK.Input;
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namespace OpenTK.Platform.SDL2
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{
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class Sdl2NativeWindow : INativeWindow, IInputDriver
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{
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Sdl2WindowInfo window;
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uint window_id;
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bool is_visible;
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bool is_focused;
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bool is_cursor_visible = true;
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bool exists;
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bool disposed;
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WindowState window_state = WindowState.Normal;
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WindowState previous_window_state = WindowState.Normal;
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WindowBorder window_border = WindowBorder.Resizable;
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Icon icon;
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string window_title;
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KeyboardDevice keyboard = new KeyboardDevice();
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MouseDevice mouse = new MouseDevice();
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IList<KeyboardDevice> keyboards = new List<KeyboardDevice>(1);
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IList<MouseDevice> mice = new List<MouseDevice>(1);
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static readonly SDL.SDL_EventFilter EventFilterDelegate = FilterEvents;
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static readonly Dictionary<uint, Sdl2NativeWindow> windows =
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new Dictionary<uint, Sdl2NativeWindow>();
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static readonly Sdl2KeyMap map = new Sdl2KeyMap();
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static Sdl2NativeWindow()
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{
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// store the filter delegate to protect it from the GC
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SDL.SDL_AddEventWatch(EventFilterDelegate, IntPtr.Zero);
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}
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public Sdl2NativeWindow(int x, int y, int width, int height,
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string title, GameWindowFlags options, DisplayDevice device)
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{
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var bounds = device.Bounds;
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var flags = TranslateFlags(options);
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flags |= SDL.SDL_WindowFlags.SDL_WINDOW_OPENGL;
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flags |= SDL.SDL_WindowFlags.SDL_WINDOW_RESIZABLE;
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if ((flags & SDL.SDL_WindowFlags.SDL_WINDOW_FULLSCREEN_DESKTOP) != 0 ||
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(flags & SDL.SDL_WindowFlags.SDL_WINDOW_FULLSCREEN) != 0)
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window_state = WindowState.Fullscreen;
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IntPtr handle = SDL.SDL_CreateWindow(title, bounds.Left + x, bounds.Top + y, width, height, flags);
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window = new Sdl2WindowInfo(handle, null);
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window_id = SDL.SDL_GetWindowID(handle);
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windows.Add(window_id, this);
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window_title = title;
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keyboard.Description = "Standard Windows keyboard";
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keyboard.NumberOfFunctionKeys = 12;
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keyboard.NumberOfKeys = 101;
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keyboard.NumberOfLeds = 3;
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mouse.Description = "Standard Windows mouse";
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mouse.NumberOfButtons = 3;
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mouse.NumberOfWheels = 1;
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keyboards.Add(keyboard);
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mice.Add(mouse);
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exists = true;
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}
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#region Private Members
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static SDL.SDL_WindowFlags TranslateFlags(GameWindowFlags flags)
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{
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switch (flags)
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{
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case GameWindowFlags.Fullscreen:
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return SDL.SDL_WindowFlags.SDL_WINDOW_FULLSCREEN_DESKTOP;
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default:
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return (SDL.SDL_WindowFlags)0;
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}
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}
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static Key TranslateKey(SDL.SDL_Scancode scan)
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{
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Key result = Key.Unknown;
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if (map.ContainsKey(scan))
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{
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result = map[scan];
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}
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return result;
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}
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static Key TranslateKey(SDL.SDL_Keycode key)
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{
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SDL.SDL_Scancode scan = SDL.SDL_GetScancodeFromKey(key);
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return TranslateKey(scan);
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}
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static int FilterEvents(IntPtr user_data, IntPtr e)
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{
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var type = (SDL.SDL_EventType)Marshal.ReadInt32(e);
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if (type == SDL.SDL_EventType.SDL_WINDOWEVENT)
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{
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unsafe
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{
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SDL.SDL_Event ev = *(SDL.SDL_Event*)e;
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// Dispatch this event to the correct window
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Sdl2NativeWindow window;
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if (windows.TryGetValue(ev.window.windowID, out window))
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{
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window.ProcessWindowEvent(ev.window);
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}
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}
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return 0; // event processed, drop from queue
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}
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return 1; // event not processed, add to queue
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}
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void ProcessWindowEvent(SDL.SDL_WindowEvent e)
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{
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switch (e.windowEvent)
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{
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_CLOSE:
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Closed(this, EventArgs.Empty);
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break;
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_ENTER:
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MouseEnter(this, EventArgs.Empty);
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break;
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_LEAVE:
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MouseLeave(this, EventArgs.Empty);
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break;
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_EXPOSED:
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// do nothing
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break;
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_FOCUS_GAINED:
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is_focused = true;
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FocusedChanged(this, EventArgs.Empty);
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break;
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_FOCUS_LOST:
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is_focused = false;
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FocusedChanged(this, EventArgs.Empty);
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break;
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_HIDDEN:
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is_visible = false;
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VisibleChanged(this, EventArgs.Empty);
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break;
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_SHOWN:
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is_visible = true;
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VisibleChanged(this, EventArgs.Empty);
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break;
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_MAXIMIZED:
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previous_window_state = window_state;
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window_state = OpenTK.WindowState.Maximized;
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WindowStateChanged(this, EventArgs.Empty);
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break;
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_MINIMIZED:
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previous_window_state = window_state;
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window_state = OpenTK.WindowState.Minimized;
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WindowStateChanged(this, EventArgs.Empty);
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break;
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_RESTORED:
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window_state = previous_window_state;
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WindowStateChanged(this, EventArgs.Empty);
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break;
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_MOVED:
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Move(this, EventArgs.Empty);
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break;
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_RESIZED:
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_SIZE_CHANGED:
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Resize(this, EventArgs.Empty);
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break;
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default:
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Debug.Print("SDL2 unhandled event: {0}", e.type);
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break;
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}
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}
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void DestroyWindow()
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{
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exists = false;
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SDL.SDL_DelEventWatch(EventFilterDelegate, IntPtr.Zero);
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if (windows.ContainsKey(window_id))
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{
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windows.Remove(window_id);
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}
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SDL.SDL_DestroyWindow(window.Handle);
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window_id = 0;
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window.Handle = IntPtr.Zero;
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}
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void GrabCursor(bool grab)
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{
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SDL.SDL_ShowCursor(grab ? 0 : 1);
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SDL.SDL_SetWindowGrab(window.Handle,
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grab ? SDL.SDL_bool.SDL_TRUE : SDL.SDL_bool.SDL_FALSE);
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SDL.SDL_SetRelativeMouseMode(
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grab ? SDL.SDL_bool.SDL_TRUE : SDL.SDL_bool.SDL_FALSE);
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//if (grab)
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//{
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// mouse.Position = new Point(0, 0);
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//}
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}
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// Hack to force WindowState events to be pumped
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void HideShowWindowHack()
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{
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SDL.SDL_HideWindow(window.Handle);
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SDL.SDL_PumpEvents();
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SDL.SDL_ShowWindow(window.Handle);
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SDL.SDL_PumpEvents();
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}
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// Revert to WindowState.Normal if necessary
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void RestoreWindow()
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{
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WindowState state = WindowState;
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switch (state)
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{
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case WindowState.Fullscreen:
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SDL.SDL_SetWindowFullscreen(window.Handle, 0);
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break;
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case WindowState.Maximized:
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SDL.SDL_RestoreWindow(window.Handle);
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HideShowWindowHack();
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break;
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case WindowState.Minimized:
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SDL.SDL_RestoreWindow(window.Handle);
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break;
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}
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SDL.SDL_PumpEvents();
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window_state = WindowState.Normal;
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}
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#endregion
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#region INativeWindow Members
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public event EventHandler<EventArgs> Move = delegate { };
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public event EventHandler<EventArgs> Resize = delegate { };
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public event EventHandler<System.ComponentModel.CancelEventArgs> Closing = delegate { };
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public event EventHandler<EventArgs> Closed = delegate { };
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public event EventHandler<EventArgs> Disposed = delegate { };
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public event EventHandler<EventArgs> IconChanged = delegate { };
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public event EventHandler<EventArgs> TitleChanged = delegate { };
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public event EventHandler<EventArgs> VisibleChanged = delegate { };
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public event EventHandler<EventArgs> FocusedChanged = delegate { };
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public event EventHandler<EventArgs> WindowBorderChanged = delegate { };
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public event EventHandler<EventArgs> WindowStateChanged = delegate { };
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public event EventHandler<KeyboardKeyEventArgs> KeyDown = delegate { };
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public event EventHandler<KeyPressEventArgs> KeyPress = delegate { };
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public event EventHandler<KeyboardKeyEventArgs> KeyUp = delegate { };
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public event EventHandler<EventArgs> MouseEnter = delegate { };
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public event EventHandler<EventArgs> MouseLeave = delegate { };
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public void Close()
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{
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if (Exists)
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{
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Debug.Print("SDL2 destroying window {0}", window.Handle);
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SDL.SDL_Event e = new SDL.SDL_Event();
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e.type = SDL.SDL_EventType.SDL_QUIT;
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SDL.SDL_PushEvent(ref e);
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SDL.SDL_PumpEvents();
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}
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}
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public void ProcessEvents()
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{
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SDL.SDL_Event e;
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while (SDL.SDL_PollEvent(out e) != 0)
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{
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switch (e.type)
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{
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case SDL.SDL_EventType.SDL_KEYDOWN:
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case SDL.SDL_EventType.SDL_KEYUP:
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bool key_pressed = e.key.state == SDL.SDL_PRESSED;
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var key = e.key.keysym;
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keyboard.SetKey(TranslateKey(key.scancode), (uint)key.scancode, key_pressed);
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break;
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case SDL.SDL_EventType.SDL_MOUSEBUTTONDOWN:
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case SDL.SDL_EventType.SDL_MOUSEBUTTONUP:
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bool button_pressed = e.button.state == SDL.SDL_PRESSED;
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switch (e.button.button)
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{
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case (byte)SDL.SDL_BUTTON_LEFT:
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mouse[MouseButton.Left] = button_pressed;
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break;
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case (byte)SDL.SDL_BUTTON_MIDDLE:
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mouse[MouseButton.Middle] = button_pressed;
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break;
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case (byte)SDL.SDL_BUTTON_RIGHT:
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mouse[MouseButton.Right] = button_pressed;
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break;
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case (byte)SDL.SDL_BUTTON_X1:
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mouse[MouseButton.Button1] = button_pressed;
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break;
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case (byte)SDL.SDL_BUTTON_X2:
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mouse[MouseButton.Button2] = button_pressed;
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break;
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}
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break;
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case SDL.SDL_EventType.SDL_MOUSEMOTION:
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if (CursorVisible)
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{
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mouse.Position = new Point(e.motion.x, e.motion.y);
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}
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else
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{
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mouse.Position = new Point(mouse.X + e.motion.xrel, mouse.Y + e.motion.yrel);
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}
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break;
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case SDL.SDL_EventType.SDL_MOUSEWHEEL:
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mouse.Wheel += e.wheel.y;
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break;
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case SDL.SDL_EventType.SDL_QUIT:
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var close_args = new System.ComponentModel.CancelEventArgs();
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Closing(this, close_args);
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if (!close_args.Cancel)
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{
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DestroyWindow();
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}
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break;
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case SDL.SDL_EventType.SDL_WINDOWEVENT:
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// do nothing (this is processed in the event filter)
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break;
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}
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}
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}
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public Point PointToClient(Point point)
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{
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var origin = DisplayDevice.Default.Bounds.Location;
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var client = Location;
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return new Point(point.X + client.X - origin.X, point.Y + client.Y - origin.Y);
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}
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public Point PointToScreen(Point point)
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{
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var origin = DisplayDevice.Default.Bounds.Location;
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var client = Location;
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return new Point(point.X + origin.X - client.X, point.Y + origin.Y - client.Y);
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}
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public Icon Icon
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{
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get
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{
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return icon;
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}
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set
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{
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// Set the new icon, if any, or clear the current
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// icon if null
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if (value != null)
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{
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using (Bitmap bmp = value.ToBitmap())
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{
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// Decode the icon into a SDL surface
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var data = bmp.LockBits(
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new Rectangle(0, 0, value.Width, value.Height),
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ImageLockMode.ReadWrite,
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PixelFormat.Format32bppArgb);
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IntPtr surface = SDL.SDL_CreateRGBSurfaceFrom(
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data.Scan0, data.Width, data.Height, 32, data.Stride,
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0x00ff0000u, 0x0000ff00u, 0x000000ffu, 0xff000000u);
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// Update the window icon
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SDL.SDL_SetWindowIcon(window.Handle, surface);
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// Free the SDL surface as it is no longer needed
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SDL.SDL_FreeSurface(surface);
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bmp.UnlockBits(data);
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}
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}
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else
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{
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// Clear the window icon
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SDL.SDL_SetWindowIcon(window.Handle, IntPtr.Zero);
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}
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icon = value;
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IconChanged(this, EventArgs.Empty);
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}
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}
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public string Title
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{
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get
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{
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return SDL.SDL_GetWindowTitle(window.Handle);
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}
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set
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{
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SDL.SDL_SetWindowTitle(window.Handle, value);
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window_title = value;
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}
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}
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public bool Focused
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{
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get
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{
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return is_focused;
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}
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}
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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 is_visible;
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}
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set
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{
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if (value)
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SDL.SDL_ShowWindow(window.Handle);
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else
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SDL.SDL_HideWindow(window.Handle);
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}
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}
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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 exists;
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}
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}
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public IWindowInfo WindowInfo
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{
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get
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{
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return window;
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}
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}
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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 window_state;
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}
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set
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{
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if (WindowState == value)
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{
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return;
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}
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// Set the new WindowState
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switch (value)
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{
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case WindowState.Fullscreen:
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RestoreWindow();
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if (SDL.SDL_SetWindowFullscreen(window.Handle, (uint)SDL.SDL_WindowFlags.SDL_WINDOW_FULLSCREEN_DESKTOP) < 0)
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{
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if (SDL.SDL_SetWindowFullscreen(window.Handle, (uint)SDL.SDL_WindowFlags.SDL_WINDOW_FULLSCREEN) < 0)
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{
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Debug.Print("SDL2 failed to enter fullscreen mode: {0}", SDL.SDL_GetError());
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}
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}
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SDL.SDL_RaiseWindow(window.Handle);
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// There is no "fullscreen" message in the event loop
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// so we have to mark that ourselves
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window_state = WindowState.Fullscreen;
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break;
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case WindowState.Maximized:
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RestoreWindow();
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SDL.SDL_MaximizeWindow(window.Handle);
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HideShowWindowHack();
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break;
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case WindowState.Minimized:
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SDL.SDL_MinimizeWindow(window.Handle);
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break;
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case WindowState.Normal:
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RestoreWindow();
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break;
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}
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if (!CursorVisible)
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GrabCursor(true);
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}
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}
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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 window_border;
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}
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set
|
|
{
|
|
if (value != WindowBorder)
|
|
{
|
|
switch (value)
|
|
{
|
|
case WindowBorder.Resizable:
|
|
SDL.SDL_SetWindowBordered(window.Handle, SDL.SDL_bool.SDL_TRUE);
|
|
window_border = WindowBorder.Resizable;
|
|
break;
|
|
|
|
case WindowBorder.Hidden:
|
|
SDL.SDL_SetWindowBordered(window.Handle, SDL.SDL_bool.SDL_FALSE);
|
|
window_border = WindowBorder.Hidden;
|
|
break;
|
|
|
|
case WindowBorder.Fixed:
|
|
Debug.WriteLine("SDL2 cannot change to fixed-size windows at runtime.");
|
|
break;
|
|
}
|
|
|
|
WindowBorderChanged(this, EventArgs.Empty);
|
|
}
|
|
}
|
|
}
|
|
|
|
public Rectangle Bounds
|
|
{
|
|
get
|
|
{
|
|
return new Rectangle(Location, Size);
|
|
}
|
|
set
|
|
{
|
|
Size = value.Size;
|
|
Location = value.Location;
|
|
}
|
|
}
|
|
|
|
public Point Location
|
|
{
|
|
get
|
|
{
|
|
int x, y;
|
|
SDL.SDL_GetWindowPosition(window.Handle, out x, out y);
|
|
return new Point(x, y);
|
|
}
|
|
set
|
|
{
|
|
SDL.SDL_SetWindowPosition(window.Handle, value.X, value.Y);
|
|
}
|
|
}
|
|
|
|
public Size Size
|
|
{
|
|
get
|
|
{
|
|
int w, h;
|
|
SDL.SDL_GetWindowSize(window.Handle, out w, out h);
|
|
return new Size(w, h);
|
|
}
|
|
set
|
|
{
|
|
SDL.SDL_SetWindowSize(window.Handle, value.Width, value.Height);
|
|
}
|
|
}
|
|
|
|
public int X
|
|
{
|
|
get
|
|
{
|
|
return Location.X;
|
|
}
|
|
set
|
|
{
|
|
Location = new Point(value, Y);
|
|
}
|
|
}
|
|
|
|
public int Y
|
|
{
|
|
get
|
|
{
|
|
return Location.Y;
|
|
}
|
|
set
|
|
{
|
|
Location = new Point(X, value);
|
|
}
|
|
}
|
|
|
|
public int Width
|
|
{
|
|
get
|
|
{
|
|
return Size.Width;
|
|
}
|
|
set
|
|
{
|
|
Size = new Size(value, Height);
|
|
}
|
|
}
|
|
|
|
public int Height
|
|
{
|
|
get
|
|
{
|
|
return Size.Height;
|
|
}
|
|
set
|
|
{
|
|
Size = new Size(Width, value);
|
|
}
|
|
}
|
|
|
|
public Rectangle ClientRectangle
|
|
{
|
|
get
|
|
{
|
|
// Todo: SDL2 does not have any APIs to get
|
|
// the border size or the bounds of the window
|
|
// (everything is defined in terms of the client
|
|
// area)
|
|
return Bounds;
|
|
}
|
|
set
|
|
{
|
|
Bounds = value;
|
|
}
|
|
}
|
|
|
|
public Size ClientSize
|
|
{
|
|
get
|
|
{
|
|
return Size;
|
|
}
|
|
set
|
|
{
|
|
Size = value;
|
|
}
|
|
}
|
|
|
|
public IInputDriver InputDriver
|
|
{
|
|
get
|
|
{
|
|
return this;
|
|
}
|
|
}
|
|
|
|
public bool CursorVisible
|
|
{
|
|
get
|
|
{
|
|
return is_cursor_visible;
|
|
}
|
|
set
|
|
{
|
|
GrabCursor(!value);
|
|
is_cursor_visible = value;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IInputDriver Members
|
|
|
|
public void Poll()
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IJoystickDriver Members
|
|
|
|
public IList<JoystickDevice> Joysticks
|
|
{
|
|
get
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IMouseDriver Members
|
|
|
|
public IList<MouseDevice> Mouse
|
|
{
|
|
get
|
|
{
|
|
return mice;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IKeyboardDriver Members
|
|
|
|
public IList<KeyboardDevice> Keyboard
|
|
{
|
|
get
|
|
{
|
|
return keyboards;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IDisposable implementation
|
|
|
|
void Dispose(bool manual)
|
|
{
|
|
if (manual)
|
|
{
|
|
if (!disposed)
|
|
{
|
|
if (Exists)
|
|
{
|
|
DestroyWindow();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Debug.Print("[Warning] INativeWindow leaked ({0}). Did you forget to call INativeWindow.Dispose()?", this);
|
|
}
|
|
disposed = true;
|
|
}
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
Dispose(true);
|
|
GC.SuppressFinalize(this);
|
|
}
|
|
|
|
~Sdl2NativeWindow()
|
|
{
|
|
Dispose(true);
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|
|
|