diff options
Diffstat (limited to 'ShiftOS.Frontend/Apps/Terminal.cs')
| -rw-r--r-- | ShiftOS.Frontend/Apps/Terminal.cs | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/ShiftOS.Frontend/Apps/Terminal.cs b/ShiftOS.Frontend/Apps/Terminal.cs new file mode 100644 index 0000000..22e0d12 --- /dev/null +++ b/ShiftOS.Frontend/Apps/Terminal.cs @@ -0,0 +1,274 @@ +using System; +using System.Collections.Generic; +using System.Drawing; +using System.Linq; +using System.Text; +using System.Threading.Tasks; +using ShiftOS.Engine; +using ShiftOS.Frontend.GraphicsSubsystem; +using static ShiftOS.Engine.SkinEngine; + +namespace ShiftOS.Frontend.Apps +{ + [FileHandler("Shell script", ".trm", "fileicontrm")] + [Launcher("{TITLE_TERMINAL}", false, null, "{AL_UTILITIES}")] + [WinOpen("{WO_TERMINAL}")] + [DefaultTitle("{TITLE_TERMINAL}")] + [DefaultIcon("iconTerminal")] + public class Terminal : GUI.Control, IShiftOSWindow + { + private TerminalControl _terminal = null; + + public Terminal() + { + Width = 493; + Height = 295; + } + + public void OnLoad() + { + _terminal = new Apps.TerminalControl(); + _terminal.Dock = GUI.DockStyle.Fill; + AddControl(_terminal); + _terminal.Layout(); + AppearanceManager.ConsoleOut = _terminal; + AppearanceManager.StartConsoleOut(); + } + + protected override void OnLayout() + { + if (ContainsFocusedControl || IsFocusedControl) + AppearanceManager.ConsoleOut = _terminal; + } + + public void OnSkinLoad() + { + + } + + public bool OnUnload() + { + return true; + } + + public void OnUpgrade() + { + } + } + + public class TerminalControl : GUI.TextInput, ITerminalWidget + { + public string[] Lines + { + get + { + return Text.Split(new[] { "\n" }, StringSplitOptions.None); + + } + } + + public void Clear() + { + Text = ""; + Index = 0; + Invalidate(); + } + + public void SelectBottom() + { + Index = Text.Length - 1; + RecalculateLayout(); + InvalidateTopLevel(); + } + + + + public void Write(string text) + { + Engine.Desktop.InvokeOnWorkerThread(() => + { + SelectBottom(); + Text = Text.Insert(Index, text); + Index += text.Length; + RecalculateLayout(); + InvalidateTopLevel(); + }); + } + + public void WriteLine(string text) + { + Write(text + Environment.NewLine); + } + + + public int GetCurrentLine() + { + int line = 0; + for(int i = 0; i < Text.Length; i++) + { + if(Text[i]=='\n') + { + line++; + continue; + } + if (i == Index) + return line; + } + return 0; + } + + float _vertOffset = 0.0f; + + protected void RecalculateLayout() + { + if(!string.IsNullOrEmpty(Text)) + using (var gfx = Graphics.FromImage(new Bitmap(1, 1))) + { + var cursorpos = GetPointAtIndex(gfx); + var caretSize = gfx.SmartMeasureString(Text.ToString(), LoadedSkin.TerminalFont, Width - 4); + float initial = ((caretSize.Height) - cursorpos.Y) - _vertOffset; + if (initial < 0) + { + float difference = initial - Height; + _vertOffset += initial + difference; + } + if (initial > Height) + { + float difference = initial - Height; + _vertOffset -= initial - difference; + } + + } + } + + /// <summary> + /// Gets the X and Y coordinates (in pixels) of the caret. + /// </summary> + /// <param name="gfx">A <see cref="System.Drawing.Graphics"/> object used for font measurements</param> + /// <returns>An absolute fucking mess. Seriously, can someone fix this method so it uhh WORKS PROPERLY?</returns> + public PointF GetPointAtIndex(Graphics gfx) + { + float vertMeasure = 2.0f; + float horizMeasure = 2.0f; + int lineindexes = 0; + for (int l = 0; l <= GetCurrentLine(); l++) + { + var measure = gfx.SmartMeasureString(Lines[l], LoadedSkin.TerminalFont, Width - 4); + vertMeasure += measure.Width; + if(l == GetCurrentLine()) + { + string _linetext = Text.Substring(lineindexes, Index - lineindexes); + var lMeasure = gfx.SmartMeasureString(_linetext, LoadedSkin.TerminalFont); + horizMeasure = lMeasure.Width; + if (horizMeasure > Width - 4) + horizMeasure -= (Width-4); + } + else + { + lineindexes += Lines[l].Length; + } + } + return new PointF(horizMeasure, vertMeasure); + } + + protected override void OnKeyEvent(KeyEvent e) + { + if (e.Key == Microsoft.Xna.Framework.Input.Keys.Enter) + { + Text = Text.Insert(Index, "\r\n"); + Index++; + } + base.OnKeyEvent(e); + RecalculateLayout(); + InvalidateTopLevel(); + } + + protected override void OnPaint(Graphics gfx) + { + RecalculateLayout(); + gfx.Clear(LoadedSkin.TerminalBackColorCC.ToColor()); + if (!string.IsNullOrEmpty(Text)) + { + //Draw the caret. + var caretPos = GetPointAtIndex(gfx); + var caretSize = gfx.SmartMeasureString(Text[Index - 1].ToString(), LoadedSkin.TerminalFont); + if (IsFocusedControl) + { + gfx.FillRectangle(new SolidBrush(LoadedSkin.TerminalForeColorCC.ToColor()), new RectangleF(new PointF(caretPos.X, caretPos.Y - _vertOffset), new SizeF(2, caretSize.Height))); + }//Draw the text + var textMeasure = gfx.MeasureString(Text, LoadedSkin.TerminalFont, Width - 4); + gfx.DrawString(Text, LoadedSkin.TerminalFont, new SolidBrush(LoadedSkin.TerminalForeColorCC.ToColor()), 2, 2 - _vertOffset); + + + } + } + + } + + public static class ConsoleColorExtensions + { + public static Color ToColor(this ConsoleColor cc) + { + switch (cc) + { + case ConsoleColor.Black: + return Color.Black; + case ConsoleColor.Blue: + return Color.Blue; + case ConsoleColor.Cyan: + return Color.Cyan; + case ConsoleColor.DarkBlue: + return Color.DarkBlue; + case ConsoleColor.DarkCyan: + return Color.DarkCyan; + case ConsoleColor.DarkGray: + return Color.DarkGray; + case ConsoleColor.DarkGreen: + return Color.DarkGreen; + case ConsoleColor.DarkMagenta: + return Color.DarkMagenta; + case ConsoleColor.DarkRed: + return Color.DarkRed; + case ConsoleColor.DarkYellow: + return Color.Orange; + case ConsoleColor.Gray: + return Color.Gray; + case ConsoleColor.Green: + return Color.Green; + case ConsoleColor.Magenta: + return Color.Magenta; + case ConsoleColor.Red: + return Color.Red; + case ConsoleColor.White: + return Color.White; + case ConsoleColor.Yellow: + return Color.Yellow; + } + return Color.Empty; + } + } + + public static class GraphicsExtensions + { + public static SizeF SmartMeasureString(this Graphics gfx, string s, Font font, int width) + { + if (string.IsNullOrEmpty(s)) + s = " "; + var textformat = new StringFormat(StringFormat.GenericTypographic); + textformat.FormatFlags = StringFormatFlags.MeasureTrailingSpaces; + textformat.Trimming = StringTrimming.None; + return gfx.MeasureString(s, font, width, textformat); + } + + public static SizeF SmartMeasureString(this Graphics gfx, string s, Font font) + { + if (string.IsNullOrEmpty(s)) + s = " "; + var textformat = new StringFormat(StringFormat.GenericTypographic); + textformat.FormatFlags = StringFormatFlags.MeasureTrailingSpaces; + textformat.Trimming = StringTrimming.None; + return gfx.MeasureString(s, font, int.MaxValue, textformat); + } + + } +} |