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