483 lines
16 KiB
C#
483 lines
16 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using Microsoft.Xna.Framework.Input;
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using ShiftOS.Engine;
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using ShiftOS.Frontend.Desktop;
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using ShiftOS.Frontend.GUI;
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namespace ShiftOS.Frontend.GraphicsSubsystem
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{
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public static class UIManager
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{
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private static List<GUI.Control> topLevels = new List<GUI.Control>();
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public static System.Drawing.Size Viewport { get; set; }
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public static GUI.Control FocusedControl = null;
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public static void LayoutUpdate()
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{
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foreach (var toplevel in topLevels.ToArray())
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toplevel.Layout();
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}
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public static void Animate(object owner, System.Reflection.PropertyInfo prop, double from, double to, int timeMs)
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{
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var t = new System.Threading.Thread(() =>
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{
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for(int i = 0; i < timeMs; i++)
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{
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double value = ProgressBar.linear(i, 0, timeMs, from, to);
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prop.SetValue(owner, value);
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System.Threading.Thread.Sleep(1);
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}
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});
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t.IsBackground = true;
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t.Start();
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}
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public static Dictionary<int, RenderTarget2D> TextureCaches = new Dictionary<int, RenderTarget2D>();
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public static void DrawTArgets(SpriteBatch batch)
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{
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foreach(var ctrl in topLevels.ToArray())
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{
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if (ctrl.Visible == true)
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{
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int hc = ctrl.GetHashCode();
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if (!TextureCaches.ContainsKey(hc))
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{
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ctrl.Invalidate();
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continue;
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}
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var _target = TextureCaches[hc];
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if (ExperimentalEffects)
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{
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for (int i = 5; i > 0; i--)
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{
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batch.Draw(_target, new Rectangle(ctrl.X - i, ctrl.Y - i, ctrl.Width+(i*2), ctrl.Height+(i*2)), new Color(Color.Black, 255 / (i * 2)));
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}
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}
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batch.Draw(_target, new Rectangle(ctrl.X, ctrl.Y, ctrl.Width, ctrl.Height), Color.White);
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}
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}
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}
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public static void SendToBack(Control ctrl)
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{
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topLevels.Remove(ctrl);
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topLevels.Insert(0, ctrl);
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}
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public static void DrawControlsToTargets(GraphicsDevice graphics, SpriteBatch batch, int width, int height)
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{
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foreach (var ctrl in topLevels.ToArray().Where(x=>x.Visible==true))
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{
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RenderTarget2D _target;
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int hc = ctrl.GetHashCode();
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if (!TextureCaches.ContainsKey(hc))
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{
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_target = new RenderTarget2D(
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graphics,
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ctrl.Width,
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ctrl.Height,
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false,
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graphics.PresentationParameters.BackBufferFormat,
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DepthFormat.Depth24);
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TextureCaches.Add(hc, _target);
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}
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else
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{
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_target = TextureCaches[hc];
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if(_target.Width != ctrl.Width || _target.Height != ctrl.Height)
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{
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_target = new RenderTarget2D(
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graphics,
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ctrl.Width,
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ctrl.Height,
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false,
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graphics.PresentationParameters.BackBufferFormat,
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DepthFormat.Depth24);
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TextureCaches[hc] = _target;
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}
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}
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if (ctrl.RequiresPaint)
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{
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graphics.SetRenderTarget(_target);
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graphics.DepthStencilState = new DepthStencilState() { DepthBufferEnable = true };
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batch.Begin(SpriteSortMode.Immediate, BlendState.NonPremultiplied,
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SamplerState.LinearClamp, DepthStencilState.Default,
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RasterizerState.CullNone);
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graphics.Clear(Color.Transparent);
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var gfxContext = new GraphicsContext(graphics, batch, 0, 0, _target.Width, _target.Height);
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ctrl.Paint(gfxContext);
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graphics.SetRenderTarget(null);
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TextureCaches[hc] = _target;
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batch.End();
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}
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}
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}
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public static void AddTopLevel(GUI.Control ctrl)
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{
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if (!topLevels.Contains(ctrl))
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topLevels.Add(ctrl);
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ctrl.Layout();
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}
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public static void InvalidateAll()
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{
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foreach(var ctrl in topLevels)
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{
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ctrl.Invalidate();
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}
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}
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public static void ProcessMouseState(MouseState state)
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{
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foreach(var ctrl in topLevels.ToArray())
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{
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ctrl.ProcessMouseState(state);
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}
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}
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public static void ProcessKeyEvent(KeyEvent e)
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{
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if (e.ControlDown && e.Key == Keys.T)
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{
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AppearanceManager.SetupWindow(new Apps.Terminal());
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return;
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}
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FocusedControl?.ProcessKeyEvent(e);
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}
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private static Texture2D DesktopBackground = null;
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public static Dictionary<string, Texture2D> SkinTextures = new Dictionary<string, Texture2D>();
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public static void ResetSkinTextures(GraphicsDevice graphics)
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{
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SkinTextures.Clear();
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foreach(var byteArray in SkinEngine.LoadedSkin.GetType().GetFields(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance).Where(x=>x.FieldType == typeof(byte[])))
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{
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var imgAttrib = byteArray.GetCustomAttributes(false).FirstOrDefault(x => x is ImageAttribute) as ImageAttribute;
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if(imgAttrib != null)
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{
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var img = SkinEngine.GetImage(imgAttrib.Name);
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if(img != null)
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{
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var bmp = (System.Drawing.Bitmap)img;
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var lck = bmp.LockBits(new System.Drawing.Rectangle(0, 0, bmp.Width, bmp.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
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var data = new byte[Math.Abs(lck.Stride) * lck.Height];
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Marshal.Copy(lck.Scan0, data, 0, data.Length);
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bmp.UnlockBits(lck);
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var tex2 = new Texture2D(graphics, bmp.Width, bmp.Height);
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for(int i = 0; i < data.Length; i += 4)
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{
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byte r = data[i];
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byte b = data[i + 2];
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if (r == 1 && b == 1 && data[i + 1] == 1)
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{
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data[i + 3] = 0;
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}
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data[i] = b;
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data[i + 2] = r;
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}
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tex2.SetData<byte>(data);
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SkinTextures.Add(imgAttrib.Name, tex2);
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}
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}
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}
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foreach(var colorfield in SkinEngine.LoadedSkin.GetType().GetFields(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance).Where(x=>x.FieldType == typeof(System.Drawing.Color)))
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{
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var color = (System.Drawing.Color)colorfield.GetValue(SkinEngine.LoadedSkin);
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var tex2 = new Texture2D(graphics, 1, 1);
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tex2.SetData<byte>(new[] { color.R, color.G, color.B, color.A });
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SkinTextures.Add(colorfield.Name, tex2);
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}
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}
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public static bool ExperimentalEffects = true;
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public static Queue<Action> CrossThreadOperations = new Queue<Action>();
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internal static GraphicsDevice GraphicsDevice;
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public static void DrawBackgroundLayer(GraphicsDevice graphics, SpriteBatch batch, int width, int height)
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{
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if (SkinEngine.LoadedSkin == null)
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SkinEngine.Init();
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graphics.Clear(SkinEngine.LoadedSkin.DesktopColor.ToMonoColor());
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if (SkinTextures.ContainsKey("desktopbackground"))
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{
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batch.Draw(SkinTextures["desktopbackground"], new Rectangle(0, 0, Viewport.Width, Viewport.Height), Color.White);
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}
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}
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public static Color ToMonoColor(this System.Drawing.Color color)
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{
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return new Color(color.R, color.G, color.B, color.A);
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}
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internal static void StopHandling(GUI.Control ctrl)
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{
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if (topLevels.Contains(ctrl))
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topLevels.Remove(ctrl);
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int hc = ctrl.GetHashCode();
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if (TextureCaches.ContainsKey(hc))
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{
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TextureCaches[hc].Dispose();
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TextureCaches.Remove(hc);
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}
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ctrl = null;
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}
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}
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public class KeyEvent
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{
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public KeyEvent(bool control, bool alt, bool shift, Keys key)
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{
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ControlDown = control;
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AltDown = alt;
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ShiftDown = shift;
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Key = key;
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KeyChar = key.ToCharacter(shift);
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}
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public bool ControlDown { get; private set; }
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public bool AltDown { get; private set; }
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public bool ShiftDown { get; set; }
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public Keys Key { get; private set; }
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public char KeyChar { get; private set; }
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}
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public static class KeysExtensions
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{
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public static char ToCharacter(this Keys key, bool shift)
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{
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char c = '\0';
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switch (key)
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{
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case Keys.Space:
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c = ' ';
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break;
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case Keys.A:
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c = 'a';
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break;
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case Keys.B:
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c = 'b';
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break;
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case Keys.C:
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c = 'c';
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break;
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case Keys.D:
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c = 'd';
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break;
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case Keys.E:
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c = 'e';
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break;
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case Keys.F:
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c = 'f';
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break;
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case Keys.G:
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c = 'g';
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break;
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case Keys.H:
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c = 'h';
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break;
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case Keys.I:
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c = 'i';
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break;
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case Keys.J:
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c = 'j';
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break;
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case Keys.K:
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c = 'k';
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break;
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case Keys.L:
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c = 'l';
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break;
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case Keys.M:
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c = 'm';
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break;
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case Keys.N:
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c = 'n';
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break;
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case Keys.O:
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c = 'o';
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break;
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case Keys.P:
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c = 'p';
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break;
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case Keys.Q:
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c = 'q';
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break;
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case Keys.R:
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c = 'r';
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break;
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case Keys.S:
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c = 's';
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break;
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case Keys.T:
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c = 't';
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break;
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case Keys.U:
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c = 'u';
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break;
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case Keys.V:
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c = 'v';
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break;
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case Keys.W:
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c = 'w';
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break;
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case Keys.X:
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c = 'x';
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break;
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case Keys.Y:
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c = 'y';
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break;
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case Keys.Z:
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c = 'z';
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break;
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case Keys.D0:
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if (shift)
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c = ')';
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else
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c = '0';
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break;
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case Keys.D1:
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if (shift)
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c = '!';
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else
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c = '1';
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break;
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case Keys.D2:
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if (shift)
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c = '@';
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else
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c = '2';
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break;
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case Keys.D3:
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if (shift)
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c = '#';
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else
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c = '3';
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break;
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case Keys.D4:
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if (shift)
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c = '$';
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else
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c = '4';
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break;
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case Keys.D5:
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if (shift)
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c = '%';
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else
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c = '5';
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break;
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case Keys.D6:
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if (shift)
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c = '^';
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else
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c = '6';
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break;
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case Keys.D7:
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if (shift)
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c = '&';
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else
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c = '7';
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break;
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case Keys.D8:
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if (shift)
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c = '*';
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else
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c = '8';
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break;
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case Keys.D9:
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if (shift)
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c = '(';
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else
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c = '9';
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break;
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case Keys.OemBackslash:
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if (shift)
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c = '|';
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else
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c = '\\';
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break;
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case Keys.OemCloseBrackets:
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if (shift)
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c = '}';
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else
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c = ']';
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break;
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case Keys.OemComma:
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if (shift)
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c = '<';
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else
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c = ',';
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break;
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case Keys.OemPeriod:
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if (shift)
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c = '>';
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else
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c = '.';
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break;
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case Keys.OemQuestion:
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if (shift)
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c = '?';
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else
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c = '/';
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break;
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case Keys.OemSemicolon:
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if (shift)
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c = ':';
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else
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c = ';';
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break;
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case Keys.OemQuotes:
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if (shift)
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c = '"';
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else
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c = '\'';
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break;
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case Keys.OemTilde:
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if (shift)
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c = '~';
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else
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c = '`';
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break;
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case Keys.OemMinus:
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if (shift)
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c = '_';
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else
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c = '-';
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break;
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case Keys.OemPlus:
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if (shift)
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c = '+';
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else
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c = '=';
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break;
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}
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if (char.IsLetter(c))
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if (shift)
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c = char.ToUpper(c);
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return c;
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}
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}
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}
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