mirror of
https://github.com/Ryujinx/Opentk.git
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69e2f36725
Reverted changes to GLControl.cs Updated sln to not build OpenTK.GLControl in MINIMAL mode
550 lines
16 KiB
C#
550 lines
16 KiB
C#
#region License
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//
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// LinuxNativeWindow.cs
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//
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// Author:
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// Stefanos A. <stapostol@gmail.com>
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//
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// Copyright (c) 2006-2014 Stefanos Apostolopoulos
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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
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do 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
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// all 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, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Diagnostics;
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#if !MINIMAL
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using System.Drawing;
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#endif
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using System.Runtime.InteropServices;
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using OpenTK.Graphics;
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using OpenTK.Input;
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using OpenTK.Platform.Egl;
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namespace OpenTK.Platform.Linux
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{
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using Egl = OpenTK.Platform.Egl.Egl;
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class LinuxNativeWindow : NativeWindowBase
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{
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LinuxWindowInfo window;
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string title;
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Icon icon;
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Rectangle bounds;
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Size client_size;
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bool exists;
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bool is_focused;
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bool is_cursor_visible = true;
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KeyboardState previous_keyboard;
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MouseState previous_mouse;
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MouseCursor cursor_current;
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BufferObject cursor_custom;
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BufferObject cursor_default;
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BufferObject cursor_empty;
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public LinuxNativeWindow(IntPtr display, IntPtr gbm, int fd,
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int x, int y, int width, int height, string title,
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GraphicsMode mode, GameWindowFlags options,
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DisplayDevice display_device)
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{
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Debug.Print("[KMS] Creating window on display {0:x}", display);
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Title = title;
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display_device = display_device ?? DisplayDevice.Default;
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if (display_device == null)
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{
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throw new NotSupportedException("[KMS] Driver does not currently support headless systems");
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}
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window = new LinuxWindowInfo(display, fd, gbm, display_device.Id as LinuxDisplay);
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// Note: we only support fullscreen windows on KMS.
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// We implicitly override the requested width and height
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// by the width and height of the DisplayDevice, if any.
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width = display_device.Width;
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height = display_device.Height;
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bounds = new Rectangle(0, 0, width, height);
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client_size = bounds.Size;
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if (!mode.Index.HasValue)
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{
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mode = new EglGraphicsMode().SelectGraphicsMode(window, mode, 0);
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}
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Debug.Print("[KMS] Selected EGL mode {0}", mode);
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SurfaceFormat format = GetSurfaceFormat(display, mode);
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SurfaceFlags usage = SurfaceFlags.Rendering | SurfaceFlags.Scanout;
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if (!Gbm.IsFormatSupported(gbm, format, usage))
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{
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Debug.Print("[KMS] Failed to find suitable surface format, using XRGB8888");
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format = SurfaceFormat.XRGB8888;
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}
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Debug.Print("[KMS] Creating GBM surface on {0:x} with {1}x{2} {3} [{4}]",
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gbm, width, height, format, usage);
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IntPtr gbm_surface = Gbm.CreateSurface(gbm,
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width, height, format, usage);
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if (gbm_surface == IntPtr.Zero)
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{
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throw new NotSupportedException("[KMS] Failed to create GBM surface for rendering");
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}
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window.Handle = gbm_surface;
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Debug.Print("[KMS] Created GBM surface {0:x}", window.Handle);
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window.CreateWindowSurface(mode.Index.Value);
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Debug.Print("[KMS] Created EGL surface {0:x}", window.Surface);
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cursor_default = CreateCursor(gbm, Cursors.Default);
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cursor_empty = CreateCursor(gbm, Cursors.Empty);
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Cursor = MouseCursor.Default;
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exists = true;
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}
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#region Private Members
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static BufferObject CreateCursor(IntPtr gbm, MouseCursor cursor)
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{
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if (cursor.Width > 64 || cursor.Height > 64)
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{
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Debug.Print("[KMS] Cursor size {0}x{1} unsupported. Maximum is 64x64.",
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cursor.Width, cursor.Height);
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return default(BufferObject);
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}
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int width = 64;
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int height = 64;
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SurfaceFormat format = SurfaceFormat.ARGB8888;
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SurfaceFlags usage = SurfaceFlags.Cursor64x64 | SurfaceFlags.Write;
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Debug.Print("[KMS] Gbm.CreateBuffer({0:X}, {1}, {2}, {3}, {4}).",
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gbm, width, height, format, usage);
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BufferObject bo = Gbm.CreateBuffer(
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gbm, width, height, format, usage);
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if (bo == BufferObject.Zero)
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{
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Debug.Print("[KMS] Failed to create buffer.");
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return bo;
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}
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// Copy cursor.Data into a new buffer of the correct size
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byte[] cursor_data = new byte[width * height * 4];
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for (int y = 0; y < cursor.Height; y++)
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{
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int dst_offset = y * width * 4;
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int src_offset = y * cursor.Width * 4;
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int src_length = cursor.Width * 4;
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Array.Copy(
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cursor.Data, src_offset,
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cursor_data, dst_offset,
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src_length);
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}
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bo.Write(cursor_data);
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return bo;
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}
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void SetCursor(MouseCursor cursor)
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{
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BufferObject bo = default(BufferObject);
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if (cursor == MouseCursor.Default)
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{
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bo = cursor_default;
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}
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else if (cursor == MouseCursor.Empty)
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{
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bo = cursor_empty;
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}
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else
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{
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if (cursor_custom != BufferObject.Zero)
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cursor_custom.Dispose();
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cursor_custom = CreateCursor(window.BufferManager, cursor);
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bo = cursor_custom;
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}
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// If we failed to create a proper cursor, try falling back
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// to the empty cursor. We do not want to crash here!
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if (bo == BufferObject.Zero)
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{
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bo = cursor_empty;
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}
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if (bo != BufferObject.Zero)
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{
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Drm.SetCursor(window.FD, window.DisplayDevice.Id,
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bo.Handle, bo.Width, bo.Height, cursor.X, cursor.Y);
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}
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}
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static SurfaceFormat GetSurfaceFormat(IntPtr display, GraphicsMode mode)
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{
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// Use EGL 1.4 EGL_NATIVE_VISUAL_ID to retrieve
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// the corresponding surface format. If that fails
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// fall back to a manual algorithm.
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int format;
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Egl.GetConfigAttrib(display, mode.Index.Value,
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Egl.NATIVE_VISUAL_ID, out format);
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if ((SurfaceFormat)format != 0)
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return (SurfaceFormat)format;
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Debug.Print("[KMS] Failed to retrieve EGL visual from GBM surface. Error: {0}",
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Egl.GetError());
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Debug.Print("[KMS] Falling back to hardcoded formats.");
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int r = mode.ColorFormat.Red;
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int g = mode.ColorFormat.Green;
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int b = mode.ColorFormat.Blue;
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int a = mode.ColorFormat.Alpha;
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if (mode.ColorFormat.IsIndexed)
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return SurfaceFormat.C8;
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if (r == 3 && g == 3 && b == 2 && a == 0)
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return SurfaceFormat.RGB332;
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if (r == 5 && g == 6 && b == 5 && a == 0)
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return SurfaceFormat.RGB565;
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if (r == 5 && g == 6 && b == 5 && a == 0)
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return SurfaceFormat.RGB565;
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if (r == 8 && g == 8 && b == 8 && a == 0)
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return SurfaceFormat.RGB888;
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if (r == 5 && g == 5 && b == 5 && a == 1)
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return SurfaceFormat.RGBA5551;
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if (r == 10 && g == 10 && b == 10 && a == 2)
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return SurfaceFormat.RGBA1010102;
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if (r == 4 && g == 4 && b == 4 && a == 4)
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return SurfaceFormat.RGBA4444;
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if (r == 8 && g == 8 && b == 8 && a == 8)
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return SurfaceFormat.RGBA8888;
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return SurfaceFormat.RGBA8888;
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}
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KeyboardState ProcessKeyboard(KeyboardState keyboard)
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{
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for (Key i = 0; i < Key.LastKey; i++)
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{
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if (keyboard[i])
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{
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OnKeyDown(i, previous_keyboard[i]);
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// Todo: implement libxkb-common binding for text input
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}
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if (!keyboard[i] && previous_keyboard[i])
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{
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OnKeyUp(i);
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}
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}
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return keyboard;
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}
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MouseState ProcessMouse(MouseState mouse)
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{
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// Handle mouse buttons
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for (MouseButton i = 0; i < MouseButton.LastButton; i++)
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{
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if (mouse[i] && !previous_mouse[i])
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{
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OnMouseDown(i);
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}
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if (!mouse[i] && previous_mouse[i])
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{
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OnMouseUp(i);
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}
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}
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// Handle mouse movement
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{
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int x = mouse.X;
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int y = mouse.Y;
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// Make sure the mouse cannot leave the GameWindow when captured
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if (!CursorVisible)
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{
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x = MathHelper.Clamp(mouse.X, Bounds.Left, Bounds.Right - 1);
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y = MathHelper.Clamp(mouse.Y, Bounds.Top, Bounds.Bottom - 1);
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if (x != mouse.X || y != mouse.Y)
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{
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Mouse.SetPosition(x, y);
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}
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}
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if (x != previous_mouse.X || y != previous_mouse.Y)
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{
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OnMouseMove(x, y);
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}
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}
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// Handle mouse scroll
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if (mouse.Scroll != previous_mouse.Scroll)
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{
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float dx = mouse.Scroll.X - previous_mouse.Scroll.X;
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float dy = mouse.Scroll.Y - previous_mouse.Scroll.Y;
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OnMouseWheel(dx, dy);
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}
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// Handle mouse focus
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// Note: focus follows mouse. Literally.
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bool cursor_in = Bounds.Contains(new Point(mouse.X, mouse.Y));
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if (!cursor_in && Focused)
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{
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OnMouseLeave(EventArgs.Empty);
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SetFocus(false);
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}
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else if (cursor_in && !Focused)
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{
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OnMouseEnter(EventArgs.Empty);
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SetFocus(true);
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}
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return mouse;
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}
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void SetFocus(bool focus)
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{
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if (is_focused != focus)
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{
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is_focused = focus;
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OnFocusedChanged(EventArgs.Empty);
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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 override void ProcessEvents()
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{
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// Note: there is no event-based keyboard/mouse input available.
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// We will fake that by polling OpenTK.Input.
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previous_keyboard = ProcessKeyboard(Keyboard.GetState());
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previous_mouse = ProcessMouse(Mouse.GetCursorState());
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base.ProcessEvents();
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}
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public override void Close()
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{
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exists = false;
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}
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public override Point PointToClient(Point point)
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{
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var origin = Point.Empty;
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var display = DisplayDevice.Default;
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if (display != null)
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{
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origin = display.Bounds.Location;
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}
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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 override Point PointToScreen(Point point)
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{
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var origin = Point.Empty;
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var display = DisplayDevice.Default;
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if (display != null)
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{
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origin = display.Bounds.Location;
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}
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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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protected override void Dispose(bool disposing)
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{
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if (disposing)
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{
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Debug.Print("[KMS] Destroying window {0}.", window.Handle);
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window.Dispose();
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Gbm.DestroySurface(window.Handle);
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}
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else
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{
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Debug.Print("[KMS] {0} leaked. Did you forget to call Dispose()?", GetType().FullName);
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}
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}
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public override 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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if (icon != value)
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{
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icon = value;
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OnIconChanged(EventArgs.Empty);
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}
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}
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}
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public override string Title
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{
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get
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{
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return title;
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}
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set
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{
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if (title != value)
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{
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title = value;
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OnTitleChanged(EventArgs.Empty);
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}
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}
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}
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public override 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 override bool Visible
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{
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get
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{
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return true;
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}
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set
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{
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}
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}
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public override 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 override 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 override WindowState WindowState
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{
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get
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{
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return WindowState.Fullscreen;
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}
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set
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{
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}
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}
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public override WindowBorder WindowBorder
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{
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get
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{
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return WindowBorder.Hidden;
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}
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set
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{
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}
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}
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public override Rectangle Bounds
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{
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get
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{
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return bounds;
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}
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set
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{
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}
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}
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public override Size ClientSize
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{
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get
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{
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return client_size;
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}
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set
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{
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}
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}
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public override bool CursorVisible
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{
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get
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{
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return is_cursor_visible;
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}
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set
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{
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if (value && !is_cursor_visible)
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{
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SetCursor(cursor_current);
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}
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else if (!value && is_cursor_visible)
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{
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SetCursor(MouseCursor.Empty);
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}
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is_cursor_visible = value;
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}
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}
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public override MouseCursor Cursor
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{
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get
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{
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return cursor_current;
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}
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set
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{
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if (cursor_current != value)
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{
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if (cursor_custom != BufferObject.Zero)
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{
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cursor_custom.Dispose();
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}
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if (CursorVisible)
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{
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SetCursor(value);
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}
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cursor_current = value;
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}
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}
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}
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#endregion
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}
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}
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