mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-27 00:07:58 +01:00
351 lines
8.9 KiB
C#
351 lines
8.9 KiB
C#
//
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// NetDriver.cs: The System.Console-based .NET driver, works on Windows and Unix, but is not particularly efficient.
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//
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// Authors:
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// Miguel de Icaza (miguel@gnome.org)
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//
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using System;
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using Mono.Terminal;
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using NStack;
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namespace Terminal.Gui {
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internal class NetDriver : ConsoleDriver {
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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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// 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;
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public NetDriver ()
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{
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cols = Console.WindowWidth;
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rows = Console.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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Console.CursorTop = row;
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Console.CursorLeft = col;
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needMove = false;
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} else {
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Console.CursorTop = Clip.Y;
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Console.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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if (Clip.Contains (ccol, crow)) {
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if (needMove) {
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//Console.CursorLeft = ccol;
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//Console.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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Console.ResetColor ();
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Console.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 () { value = ((((int)f) & 0xffff) << 16) | (((int)b) & 0xffff) };
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}
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public override void Init (Action terminalResized)
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{
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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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HLine = '\u2500';
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VLine = '\u2502';
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Stipple = '\u2592';
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Diamond = '\u25c6';
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ULCorner = '\u250C';
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LLCorner = '\u2514';
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URCorner = '\u2510';
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LRCorner = '\u2518';
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LeftTee = '\u251c';
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RightTee = '\u2524';
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TopTee = '\u22a4';
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BottomTee = '\u22a5';
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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.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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Console.Clear ();
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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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Console.BackgroundColor = (ConsoleColor)(color & 0xffff);
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Console.ForegroundColor = (ConsoleColor)((color >> 16) & 0xffff);
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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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Console.CursorTop = 0;
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Console.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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Console.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 = Console.CursorTop;
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var savedCol = Console.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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Console.CursorTop = row;
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Console.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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Console.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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Console.CursorTop = savedRow;
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Console.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 Key.Esc;
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case ConsoleKey.Tab:
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return Key.Tab;
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case ConsoleKey.Home:
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return Key.Home;
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case ConsoleKey.End:
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return Key.End;
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case ConsoleKey.LeftArrow:
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return Key.CursorLeft;
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case ConsoleKey.RightArrow:
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return Key.CursorRight;
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case ConsoleKey.UpArrow:
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return Key.CursorUp;
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case ConsoleKey.DownArrow:
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return Key.CursorDown;
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case ConsoleKey.PageUp:
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return Key.PageUp;
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case ConsoleKey.PageDown:
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return Key.PageDown;
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case ConsoleKey.Enter:
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return Key.Enter;
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case ConsoleKey.Spacebar:
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return Key.Space;
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case ConsoleKey.Backspace:
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return Key.Backspace;
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case ConsoleKey.Delete:
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return Key.Delete;
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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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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.ControlA + delta);
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if (keyInfo.Modifiers == ConsoleModifiers.Alt)
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return (Key)(((uint)Key.AltMask) | ((uint)'A' + delta));
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if (keyInfo.Modifiers == ConsoleModifiers.Shift)
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return (Key)((uint)'A' + delta);
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else
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return (Key)((uint)'a' + delta);
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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)'0' + delta));
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if (keyInfo.Modifiers == ConsoleModifiers.Shift)
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return (Key)((uint)keyInfo.KeyChar);
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return (Key)((uint)'0' + delta);
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}
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if (key >= ConsoleKey.F1 && key <= ConsoleKey.F10) {
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var delta = key - ConsoleKey.F1;
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return (Key)((int)Key.F1 + delta);
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}
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return (Key)(0xffffffff);
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}
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public override void PrepareToRun (MainLoop mainLoop, Action<KeyEvent> keyHandler, Action<MouseEvent> mouseHandler)
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{
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(mainLoop.Driver as NetMainLoop).WindowsKeyPressed = 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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keyHandler (new KeyEvent (map));
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};
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}
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public override void SetColors (ConsoleColor foreground, ConsoleColor background)
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{
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throw new NotImplementedException ();
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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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//
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// These are for the .NET driver, but running natively on Windows, wont run
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// on the Mono emulation
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//
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}
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} |