mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-30 01:38:01 +01:00
423 lines
12 KiB
C#
423 lines
12 KiB
C#
//
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// FakeDriver.cs: A fake ConsoleDriver for unit tests.
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//
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// Authors:
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// Charlie Kindel (github.com/tig)
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//
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using NStack;
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namespace Terminal.Gui {
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/// <summary>
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/// Implements a mock ConsoleDriver for unit testing
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/// </summary>
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public class FakeDriver : ConsoleDriver {
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#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
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int cols, rows;
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public override int Cols => cols;
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public override int Rows => rows;
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public override int Top => 0;
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public override bool HeightAsBuffer { get; set; }
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// The format is rows, columns and 3 values on the last column: Rune, Attribute and Dirty Flag
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int [,,] contents;
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bool [] dirtyLine;
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void UpdateOffscreen ()
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{
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int cols = Cols;
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int rows = Rows;
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contents = new int [rows, cols, 3];
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for (int r = 0; r < rows; r++) {
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for (int c = 0; c < cols; c++) {
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contents [r, c, 0] = ' ';
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contents [r, c, 1] = MakeColor (ConsoleColor.Gray, ConsoleColor.Black);
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contents [r, c, 2] = 0;
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}
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}
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dirtyLine = new bool [rows];
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for (int row = 0; row < rows; row++)
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dirtyLine [row] = true;
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}
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static bool sync = false;
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public FakeDriver ()
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{
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cols = FakeConsole.WindowWidth;
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rows = FakeConsole.WindowHeight; // - 1;
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UpdateOffscreen ();
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}
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bool needMove;
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// Current row, and current col, tracked by Move/AddCh only
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int ccol, crow;
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public override void Move (int col, int row)
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{
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ccol = col;
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crow = row;
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if (Clip.Contains (col, row)) {
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FakeConsole.CursorTop = row;
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FakeConsole.CursorLeft = col;
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needMove = false;
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} else {
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FakeConsole.CursorTop = Clip.Y;
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FakeConsole.CursorLeft = Clip.X;
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needMove = true;
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}
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}
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public override void AddRune (Rune rune)
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{
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rune = MakePrintable (rune);
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if (Clip.Contains (ccol, crow)) {
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if (needMove) {
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//MockConsole.CursorLeft = ccol;
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//MockConsole.CursorTop = crow;
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needMove = false;
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}
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contents [crow, ccol, 0] = (int)(uint)rune;
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contents [crow, ccol, 1] = currentAttribute;
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contents [crow, ccol, 2] = 1;
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dirtyLine [crow] = true;
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} else
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needMove = true;
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ccol++;
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//if (ccol == Cols) {
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// ccol = 0;
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// if (crow + 1 < Rows)
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// crow++;
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//}
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if (sync)
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UpdateScreen ();
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}
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public override void AddStr (ustring str)
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{
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foreach (var rune in str)
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AddRune (rune);
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}
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public override void End ()
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{
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FakeConsole.ResetColor ();
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FakeConsole.Clear ();
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}
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static Attribute MakeColor (ConsoleColor f, ConsoleColor b)
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{
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// Encode the colors into the int value.
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return new Attribute (
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value: ((((int)f) & 0xffff) << 16) | (((int)b) & 0xffff),
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foreground: (Color)f,
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background: (Color)b
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);
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}
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public override void Init (Action terminalResized)
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{
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Colors.TopLevel = new ColorScheme ();
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Colors.Base = new ColorScheme ();
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Colors.Dialog = new ColorScheme ();
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Colors.Menu = new ColorScheme ();
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Colors.Error = new ColorScheme ();
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Clip = new Rect (0, 0, Cols, Rows);
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Colors.TopLevel.Normal = MakeColor (ConsoleColor.Green, ConsoleColor.Black);
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Colors.TopLevel.Focus = MakeColor (ConsoleColor.White, ConsoleColor.DarkCyan);
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Colors.TopLevel.HotNormal = MakeColor (ConsoleColor.DarkYellow, ConsoleColor.Black);
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Colors.TopLevel.HotFocus = MakeColor (ConsoleColor.DarkBlue, ConsoleColor.DarkCyan);
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Colors.Base.Normal = MakeColor (ConsoleColor.White, ConsoleColor.Blue);
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Colors.Base.Focus = MakeColor (ConsoleColor.Black, ConsoleColor.Cyan);
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Colors.Base.HotNormal = MakeColor (ConsoleColor.Yellow, ConsoleColor.Blue);
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Colors.Base.HotFocus = MakeColor (ConsoleColor.Yellow, ConsoleColor.Cyan);
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// Focused,
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// Selected, Hot: Yellow on Black
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// Selected, text: white on black
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// Unselected, hot: yellow on cyan
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// unselected, text: same as unfocused
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Colors.Menu.HotFocus = MakeColor (ConsoleColor.Yellow, ConsoleColor.Black);
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Colors.Menu.Focus = MakeColor (ConsoleColor.White, ConsoleColor.Black);
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Colors.Menu.HotNormal = MakeColor (ConsoleColor.Yellow, ConsoleColor.Cyan);
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Colors.Menu.Normal = MakeColor (ConsoleColor.White, ConsoleColor.Cyan);
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Colors.Menu.Disabled = MakeColor (ConsoleColor.DarkGray, ConsoleColor.Cyan);
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Colors.Dialog.Normal = MakeColor (ConsoleColor.Black, ConsoleColor.Gray);
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Colors.Dialog.Focus = MakeColor (ConsoleColor.Black, ConsoleColor.Cyan);
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Colors.Dialog.HotNormal = MakeColor (ConsoleColor.Blue, ConsoleColor.Gray);
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Colors.Dialog.HotFocus = MakeColor (ConsoleColor.Blue, ConsoleColor.Cyan);
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Colors.Error.Normal = MakeColor (ConsoleColor.White, ConsoleColor.Red);
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Colors.Error.Focus = MakeColor (ConsoleColor.Black, ConsoleColor.Gray);
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Colors.Error.HotNormal = MakeColor (ConsoleColor.Yellow, ConsoleColor.Red);
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Colors.Error.HotFocus = Colors.Error.HotNormal;
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//MockConsole.Clear ();
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}
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public override Attribute MakeAttribute (Color fore, Color back)
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{
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return MakeColor ((ConsoleColor)fore, (ConsoleColor)back);
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}
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int redrawColor = -1;
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void SetColor (int color)
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{
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redrawColor = color;
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IEnumerable<int> values = Enum.GetValues (typeof (ConsoleColor))
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.OfType<ConsoleColor> ()
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.Select (s => (int)s);
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if (values.Contains (color & 0xffff)) {
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FakeConsole.BackgroundColor = (ConsoleColor)(color & 0xffff);
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}
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if (values.Contains ((color >> 16) & 0xffff)) {
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FakeConsole.ForegroundColor = (ConsoleColor)((color >> 16) & 0xffff);
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}
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}
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public override void UpdateScreen ()
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{
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int rows = Rows;
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int cols = Cols;
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FakeConsole.CursorTop = 0;
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FakeConsole.CursorLeft = 0;
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for (int row = 0; row < rows; row++) {
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dirtyLine [row] = false;
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for (int col = 0; col < cols; col++) {
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contents [row, col, 2] = 0;
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var color = contents [row, col, 1];
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if (color != redrawColor)
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SetColor (color);
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FakeConsole.Write ((char)contents [row, col, 0]);
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}
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}
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}
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public override void Refresh ()
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{
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int rows = Rows;
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int cols = Cols;
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var savedRow = FakeConsole.CursorTop;
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var savedCol = FakeConsole.CursorLeft;
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for (int row = 0; row < rows; row++) {
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if (!dirtyLine [row])
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continue;
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dirtyLine [row] = false;
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for (int col = 0; col < cols; col++) {
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if (contents [row, col, 2] != 1)
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continue;
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FakeConsole.CursorTop = row;
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FakeConsole.CursorLeft = col;
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for (; col < cols && contents [row, col, 2] == 1; col++) {
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var color = contents [row, col, 1];
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if (color != redrawColor)
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SetColor (color);
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FakeConsole.Write ((char)contents [row, col, 0]);
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contents [row, col, 2] = 0;
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}
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}
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}
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FakeConsole.CursorTop = savedRow;
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FakeConsole.CursorLeft = savedCol;
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}
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public override void UpdateCursor ()
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{
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//
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}
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public override void StartReportingMouseMoves ()
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{
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}
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public override void StopReportingMouseMoves ()
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{
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}
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public override void Suspend ()
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{
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}
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int currentAttribute;
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public override void SetAttribute (Attribute c)
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{
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currentAttribute = c.Value;
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}
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Key MapKey (ConsoleKeyInfo keyInfo)
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{
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switch (keyInfo.Key) {
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case ConsoleKey.Escape:
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return MapKeyModifiers (keyInfo, Key.Esc);
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case ConsoleKey.Tab:
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return keyInfo.Modifiers == ConsoleModifiers.Shift ? Key.BackTab : Key.Tab;
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case ConsoleKey.Home:
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return MapKeyModifiers (keyInfo, Key.Home);
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case ConsoleKey.End:
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return MapKeyModifiers (keyInfo, Key.End);
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case ConsoleKey.LeftArrow:
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return MapKeyModifiers (keyInfo, Key.CursorLeft);
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case ConsoleKey.RightArrow:
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return MapKeyModifiers (keyInfo, Key.CursorRight);
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case ConsoleKey.UpArrow:
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return MapKeyModifiers (keyInfo, Key.CursorUp);
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case ConsoleKey.DownArrow:
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return MapKeyModifiers (keyInfo, Key.CursorDown);
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case ConsoleKey.PageUp:
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return MapKeyModifiers (keyInfo, Key.PageUp);
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case ConsoleKey.PageDown:
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return MapKeyModifiers (keyInfo, Key.PageDown);
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case ConsoleKey.Enter:
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return MapKeyModifiers (keyInfo, Key.Enter);
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case ConsoleKey.Spacebar:
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return MapKeyModifiers (keyInfo, Key.Space);
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case ConsoleKey.Backspace:
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return MapKeyModifiers (keyInfo, Key.Backspace);
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case ConsoleKey.Delete:
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return MapKeyModifiers (keyInfo, Key.DeleteChar);
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case ConsoleKey.Insert:
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return MapKeyModifiers (keyInfo, Key.InsertChar);
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case ConsoleKey.Oem1:
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case ConsoleKey.Oem2:
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case ConsoleKey.Oem3:
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case ConsoleKey.Oem4:
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case ConsoleKey.Oem5:
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case ConsoleKey.Oem6:
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case ConsoleKey.Oem7:
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case ConsoleKey.Oem8:
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case ConsoleKey.Oem102:
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case ConsoleKey.OemPeriod:
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case ConsoleKey.OemComma:
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case ConsoleKey.OemPlus:
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case ConsoleKey.OemMinus:
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if (keyInfo.KeyChar == 0)
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return Key.Unknown;
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return (Key)((uint)keyInfo.KeyChar);
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}
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var key = keyInfo.Key;
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if (key >= ConsoleKey.A && key <= ConsoleKey.Z) {
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var delta = key - ConsoleKey.A;
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if (keyInfo.Modifiers == ConsoleModifiers.Control) {
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return (Key)(((uint)Key.CtrlMask) | ((uint)Key.A + delta));
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}
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if (keyInfo.Modifiers == ConsoleModifiers.Alt) {
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return (Key)(((uint)Key.AltMask) | ((uint)Key.A + delta));
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}
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if ((keyInfo.Modifiers & (ConsoleModifiers.Alt | ConsoleModifiers.Control)) != 0) {
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if (keyInfo.KeyChar == 0) {
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return (Key)(((uint)Key.AltMask | (uint)Key.CtrlMask) | ((uint)Key.A + delta));
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} else {
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return (Key)((uint)keyInfo.KeyChar);
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}
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}
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return (Key)((uint)keyInfo.KeyChar);
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}
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if (key >= ConsoleKey.D0 && key <= ConsoleKey.D9) {
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var delta = key - ConsoleKey.D0;
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if (keyInfo.Modifiers == ConsoleModifiers.Alt) {
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return (Key)(((uint)Key.AltMask) | ((uint)Key.D0 + delta));
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}
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if (keyInfo.Modifiers == ConsoleModifiers.Control) {
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return (Key)(((uint)Key.CtrlMask) | ((uint)Key.D0 + delta));
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}
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if (keyInfo.KeyChar == 0 || keyInfo.KeyChar == 30) {
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return MapKeyModifiers (keyInfo, (Key)((uint)Key.D0 + delta));
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}
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return (Key)((uint)keyInfo.KeyChar);
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}
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if (key >= ConsoleKey.F1 && key <= ConsoleKey.F12) {
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var delta = key - ConsoleKey.F1;
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if ((keyInfo.Modifiers & (ConsoleModifiers.Shift | ConsoleModifiers.Alt | ConsoleModifiers.Control)) != 0) {
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return MapKeyModifiers (keyInfo, (Key)((uint)Key.F1 + delta));
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}
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return (Key)((uint)Key.F1 + delta);
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}
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return (Key)(0xffffffff);
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}
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KeyModifiers keyModifiers;
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private Key MapKeyModifiers (ConsoleKeyInfo keyInfo, Key key)
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{
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Key keyMod = new Key ();
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if ((keyInfo.Modifiers & ConsoleModifiers.Shift) != 0)
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keyMod = Key.ShiftMask;
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if ((keyInfo.Modifiers & ConsoleModifiers.Control) != 0)
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keyMod |= Key.CtrlMask;
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if ((keyInfo.Modifiers & ConsoleModifiers.Alt) != 0)
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keyMod |= Key.AltMask;
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return keyMod != Key.Null ? keyMod | key : key;
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}
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public override void PrepareToRun (MainLoop mainLoop, Action<KeyEvent> keyHandler, Action<KeyEvent> keyDownHandler, Action<KeyEvent> keyUpHandler, Action<MouseEvent> mouseHandler)
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{
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// Note: Net doesn't support keydown/up events and thus any passed keyDown/UpHandlers will never be called
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(mainLoop.Driver as FakeMainLoop).KeyPressed = delegate (ConsoleKeyInfo consoleKey) {
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var map = MapKey (consoleKey);
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if (map == (Key)0xffffffff)
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return;
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if (keyModifiers == null)
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keyModifiers = new KeyModifiers ();
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switch (consoleKey.Modifiers) {
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case ConsoleModifiers.Alt:
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keyModifiers.Alt = true;
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break;
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case ConsoleModifiers.Shift:
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keyModifiers.Shift = true;
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break;
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case ConsoleModifiers.Control:
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keyModifiers.Ctrl = true;
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break;
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}
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keyHandler (new KeyEvent (map, keyModifiers));
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keyUpHandler (new KeyEvent (map, keyModifiers));
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keyModifiers = new KeyModifiers ();
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};
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}
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public override Attribute GetAttribute ()
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{
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return currentAttribute;
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}
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#region Unused
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public override void SetColors (ConsoleColor foreground, ConsoleColor background)
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{
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}
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public override void SetColors (short foregroundColorId, short backgroundColorId)
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{
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throw new NotImplementedException ();
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}
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public override void CookMouse ()
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{
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}
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public override void UncookMouse ()
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{
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}
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#endregion
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#pragma warning restore CS1591 // Missing XML comment for publicly visible type or member
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}
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} |