mirror of
https://github.com/Ryujinx/Opentk.git
synced 2024-12-25 18:05:37 +00:00
638 lines
19 KiB
C#
638 lines
19 KiB
C#
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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 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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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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Icon icon;
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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 Sdl2KeyMap map = new Sdl2KeyMap();
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public Sdl2NativeWindow(int x, int y, int width, int height, 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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IntPtr handle = SDL.SDL_CreateWindow(title, bounds.Left + x, bounds.Right + y, width, height, flags);
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window = new Sdl2WindowInfo(handle, null);
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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;
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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_Keycode key)
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{
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Key result = Key.Unknown;
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if (map.ContainsKey(key))
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{
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result = map[key];
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}
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return result;
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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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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_MINIMIZED:
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case SDL.SDL_WindowEventID.SDL_WINDOWEVENT_RESTORED:
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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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#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.sym), (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.x, mouse.Y + e.motion.y);
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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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exists = false;
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SDL.SDL_DestroyWindow(window.Handle);
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window.Handle = IntPtr.Zero;
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}
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break;
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case SDL.SDL_EventType.SDL_WINDOWEVENT:
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ProcessWindowEvent(e.window);
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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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IntPtr surface = IntPtr.Zero;
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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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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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surface = SDL.SDL_CreateRGBSurfaceFrom(
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data.Scan0, data.Width, data.Height, 32, data.Height,
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0x0000ff00u, 0x00ff0000u, 0xff000000u, 0x000000ffu);
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bmp.UnlockBits(data);
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}
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}
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SDL.SDL_SetWindowIcon(window.Handle, surface);
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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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}
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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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var flags = (SDL.SDL_WindowFlags)SDL.SDL_GetWindowFlags(window.Handle);
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switch (flags)
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{
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case SDL.SDL_WindowFlags.SDL_WINDOW_FULLSCREEN:
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case SDL.SDL_WindowFlags.SDL_WINDOW_FULLSCREEN_DESKTOP:
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return WindowState.Fullscreen;
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case SDL.SDL_WindowFlags.SDL_WINDOW_MAXIMIZED:
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return WindowState.Maximized;
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case SDL.SDL_WindowFlags.SDL_WINDOW_MINIMIZED:
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return WindowState.Minimized;
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default:
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return WindowState.Normal;
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}
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}
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set
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{
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switch (value)
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{
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case WindowState.Fullscreen:
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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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SDL.SDL_SetWindowFullscreen(window.Handle, (uint)SDL.SDL_WindowFlags.SDL_WINDOW_FULLSCREEN_DESKTOP);
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}
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break;
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case WindowState.Maximized:
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SDL.SDL_MaximizeWindow(window.Handle);
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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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SDL.SDL_RestoreWindow(window.Handle);
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break;
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}
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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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var flags = (SDL.SDL_WindowFlags)SDL.SDL_GetWindowFlags(window.Handle);
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switch (flags)
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{
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case SDL.SDL_WindowFlags.SDL_WINDOW_BORDERLESS:
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return WindowBorder.Hidden;
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case SDL.SDL_WindowFlags.SDL_WINDOW_RESIZABLE:
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return WindowBorder.Resizable;
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default:
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return WindowBorder.Fixed;
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}
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}
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set
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{
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switch (value)
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{
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case WindowBorder.Resizable:
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SDL.SDL_SetWindowBordered(window.Handle, SDL.SDL_bool.SDL_TRUE);
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break;
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case WindowBorder.Hidden:
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SDL.SDL_SetWindowBordered(window.Handle, SDL.SDL_bool.SDL_TRUE);
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break;
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case WindowBorder.Fixed:
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Trace.WriteLine("SDL2 cannot change to fixed-size windows at runtime.");
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break;
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}
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}
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}
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public Rectangle Bounds
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{
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get
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{
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return new Rectangle(Location, Size);
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}
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set
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{
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Size = value.Size;
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Location = value.Location;
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}
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}
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public Point Location
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{
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get
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{
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int x, y;
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SDL.SDL_GetWindowPosition(window.Handle, out x, out y);
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return new Point(x, y);
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}
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set
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{
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SDL.SDL_SetWindowPosition(window.Handle, value.X, value.Y);
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}
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}
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public Size Size
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{
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get
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{
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int w, h;
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SDL.SDL_GetWindowSize(window.Handle, out w, out h);
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return new Size(w, h);
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}
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set
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{
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SDL.SDL_SetWindowSize(window.Handle, value.Width, value.Height);
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}
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}
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public int X
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{
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get
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{
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return Location.X;
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}
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set
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{
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Location = new Point(value, Y);
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}
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}
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public int Y
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{
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get
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{
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return Location.Y;
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}
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set
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{
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Location = new Point(X, value);
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}
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}
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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 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
|
||
|
{
|
||
|
SDL.SDL_ShowCursor(value ? 1 : 0);
|
||
|
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)
|
||
|
{
|
||
|
Close();
|
||
|
}
|
||
|
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
|
||
|
}
|
||
|
}
|
||
|
|