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-rw-r--r--ShiftOS.Frontend/GraphicsSubsystem/UIManager.cs353
1 files changed, 353 insertions, 0 deletions
diff --git a/ShiftOS.Frontend/GraphicsSubsystem/UIManager.cs b/ShiftOS.Frontend/GraphicsSubsystem/UIManager.cs
new file mode 100644
index 0000000..372c5a6
--- /dev/null
+++ b/ShiftOS.Frontend/GraphicsSubsystem/UIManager.cs
@@ -0,0 +1,353 @@
+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<GUI.Control> topLevels = new List<GUI.Control>();
+
+ public static GUI.Control FocusedControl = null;
+
+ public static void LayoutUpdate()
+ {
+ foreach (var toplevel in topLevels)
+ toplevel.Layout();
+ }
+
+ 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 void DrawControls(GraphicsDevice graphics, SpriteBatch batch)
+ {
+ foreach (var ctrl in topLevels.ToArray())
+ {
+ using(var bmp = new System.Drawing.Bitmap(ctrl.Width, ctrl.Height))
+ {
+ var gfx = System.Drawing.Graphics.FromImage(bmp);
+ ctrl.Paint(gfx);
+ bmp.SetOpacity((float)ctrl.Opacity);
+ //get the bits of the bitmap
+ var data = bmp.LockBits(new System.Drawing.Rectangle(0, 0, bmp.Width, bmp.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
+ byte[] rgb = new byte[Math.Abs(data.Stride) * data.Height];
+ Marshal.Copy(data.Scan0, rgb, 0, rgb.Length);
+ bmp.UnlockBits(data);
+ for(int i = 0; i < rgb.Length; i+=4)
+ {
+ byte r = rgb[i];
+ byte b = rgb[i + 2];
+ rgb[i] = b;
+ rgb[i + 2] = r;
+ }
+ var tex2 = new Texture2D(graphics, bmp.Width, bmp.Height);
+ tex2.SetData<byte>(rgb);
+ batch.Draw(tex2, new Rectangle(ctrl.X, ctrl.Y, ctrl.Width, ctrl.Height), Color.White);
+ }
+ }
+ }
+
+ public static void AddTopLevel(GUI.Control ctrl)
+ {
+ if (!topLevels.Contains(ctrl))
+ topLevels.Add(ctrl);
+ ctrl.Layout();
+ }
+
+ public static void ProcessMouseState(MouseState state)
+ {
+ foreach(var ctrl in topLevels.ToArray())
+ {
+ ctrl.ProcessMouseState(state);
+ }
+ }
+
+ public static void ProcessKeyEvent(KeyEvent e)
+ {
+ FocusedControl?.ProcessKeyEvent(e);
+ }
+
+ public static void DrawBackgroundLayer(GraphicsDevice graphics, SpriteBatch batch, int width, int height)
+ {
+ if (SkinEngine.LoadedSkin == null)
+ SkinEngine.Init();
+ graphics.Clear(SkinEngine.LoadedSkin.DesktopColor.ToMonoColor());
+ var desktopbg = SkinEngine.GetImage("desktopbackground");
+ if(desktopbg != null)
+ {
+ var tex2 = new Texture2D(graphics, desktopbg.Width, desktopbg.Height);
+ tex2.SetData<byte>(SkinEngine.LoadedSkin.DesktopBackgroundImage);
+ batch.Draw(tex2, new Rectangle(0, 0, width, 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);
+ 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 = ' ';
+ 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;
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.46.0) at 2026-06-22 12:56:59 +0000