diff --git a/Terminal.Gui/Views/TextView.cs b/Terminal.Gui/Views/TextView.cs index 1c4dceee1..76618c8a1 100644 --- a/Terminal.Gui/Views/TextView.cs +++ b/Terminal.Gui/Views/TextView.cs @@ -13,10 +13,11 @@ using System.Text.Json.Serialization; using System.Threading; using Terminal.Gui.Resources; -namespace Terminal.Gui; +namespace Terminal.Gui; /// -/// Represents a single row/column within the . Includes the glyph and the foreground/background colors. +/// Represents a single row/column within the . Includes the glyph and the foreground/background +/// colors. /// [DebuggerDisplay ("{DebuggerDisplay}")] public class RuneCell : IEquatable { @@ -32,11 +33,19 @@ public class RuneCell : IEquatable { [JsonConverter (typeof (ColorSchemeJsonConverter))] public ColorScheme? ColorScheme { get; set; } + string DebuggerDisplay { + get { + var colorSchemeStr = ColorSchemeDebuggerDisplay (); + return $"U+{Rune.Value:X4} '{Rune.ToString ()}'; {colorSchemeStr}"; + } + } + /// Indicates whether the current object is equal to another object of the same type. /// An object to compare with this object. /// - /// if the current object is equal to the parameter; - /// otherwise, . + /// if the current object is equal to the parameter; + /// otherwise, . + /// public bool Equals (RuneCell? other) => other != null && Rune.Equals (other.Rune) && ColorScheme == other.ColorScheme; @@ -45,35 +54,37 @@ public class RuneCell : IEquatable { /// A string that represents the current object. public override string ToString () { - string colorSchemeStr = ColorSchemeDebuggerDisplay (); + var colorSchemeStr = ColorSchemeDebuggerDisplay (); return DebuggerDisplay; } string ColorSchemeDebuggerDisplay () { - string colorSchemeStr = "null"; + var colorSchemeStr = "null"; if (ColorScheme != null) { colorSchemeStr = $"Normal: {ColorScheme.Normal.Foreground},{ColorScheme.Normal.Background}; " + - $"Focus: {ColorScheme.Focus.Foreground},{ColorScheme.Focus.Background}; " + - $"HotNormal: {ColorScheme.HotNormal.Foreground},{ColorScheme.HotNormal.Background}; " + - $"HotFocus: {ColorScheme.HotFocus.Foreground},{ColorScheme.HotFocus.Background}; " + - $"Disabled: {ColorScheme.Disabled.Foreground},{ColorScheme.Disabled.Background}"; + $"Focus: {ColorScheme.Focus.Foreground},{ColorScheme.Focus.Background}; " + + $"HotNormal: {ColorScheme.HotNormal.Foreground},{ColorScheme.HotNormal.Background}; " + + $"HotFocus: {ColorScheme.HotFocus.Foreground},{ColorScheme.HotFocus.Background}; " + + $"Disabled: {ColorScheme.Disabled.Foreground},{ColorScheme.Disabled.Background}"; } return colorSchemeStr; } - - string DebuggerDisplay { - get { - string colorSchemeStr = ColorSchemeDebuggerDisplay (); - return $"U+{Rune.Value:X4} '{Rune.ToString ()}'; {colorSchemeStr}"; - } - } } class TextModel { List> _lines = new (); + (Point startPointToFind, Point currentPointToFind, bool found) _toFind; + + public string? FilePath { get; set; } + + /// + /// The number of text lines in the model + /// + public int Count => _lines.Count; + public event EventHandler? LinesLoaded; public bool LoadFile (string file) @@ -122,7 +133,7 @@ class TextModel { // Splits a string into a List that contains a List for each line public static List> StringToLinesOfRuneCells (string content, ColorScheme? colorScheme = null) { - var cells = content.EnumerateRunes ().Select (x => new RuneCell () { Rune = x, ColorScheme = colorScheme }).ToList (); + var cells = content.EnumerateRunes ().Select (x => new RuneCell { Rune = x, ColorScheme = colorScheme }).ToList (); return SplitNewLines (cells); } @@ -131,7 +142,7 @@ class TextModel { { var lines = new List> (); int start = 0, i = 0; - bool hasCR = false; + var hasCR = false; // ASCII code 13 = Carriage Return. // ASCII code 10 = Line Feed. for (; i < cells.Count; i++) { @@ -157,7 +168,7 @@ class TextModel { void Append (List line) { - string str = StringExtensions.ToString (line.ToArray ()); + var str = StringExtensions.ToString (line.ToArray ()); _lines.Add (StringToRuneCells (str)); } @@ -171,7 +182,7 @@ class TextModel { var buff = new BufferedStream (input); int v; var line = new List (); - bool wasNewLine = false; + var wasNewLine = false; while ((v = buff.ReadByte ()) != -1) { if (v == 13) { continue; @@ -230,7 +241,7 @@ class TextModel { public override string ToString () { var sb = new StringBuilder (); - for (int i = 0; i < _lines.Count; i++) { + for (var i = 0; i < _lines.Count; i++) { sb.Append (ToString (_lines [i])); if (i + 1 < _lines.Count) { sb.AppendLine (); @@ -239,13 +250,6 @@ class TextModel { return sb.ToString (); } - public string? FilePath { get; set; } - - /// - /// The number of text lines in the model - /// - public int Count => _lines.Count; - /// /// Returns the specified line as a List of Rune /// @@ -256,13 +260,11 @@ class TextModel { if (_lines.Count > 0) { if (line < Count) { return _lines [line]; - } else { - return _lines [Count - 1]; } - } else { - _lines.Add (new List ()); - return _lines [0]; + return _lines [Count - 1]; } + _lines.Add (new List ()); + return _lines [0]; } public List> GetAllLines () => _lines; @@ -305,12 +307,12 @@ class TextModel { /// The tab width. public int GetMaxVisibleLine (int first, int last, int tabWidth) { - int maxLength = 0; + var maxLength = 0; last = last < _lines.Count ? last : _lines.Count; - for (int i = first; i < last; i++) { + for (var i = first; i < last; i++) { var line = GetLine (i); - int tabSum = line.Sum (c => c.Rune.Value == '\t' ? Math.Max (tabWidth - 1, 0) : 0); - int l = line.Count + tabSum; + var tabSum = line.Sum (c => c.Rune.Value == '\t' ? Math.Max (tabWidth - 1, 0) : 0); + var l = line.Count + tabSum; if (l > maxLength) { maxLength = l; } @@ -343,9 +345,9 @@ class TextModel { if (x < 0) { return x; } - int size = start; - int pX = x + start; - for (int i = start; i < t.Count; i++) { + var size = start; + var pX = x + start; + for (var i = start; i < t.Count; i++) { var r = t [i]; size += r.GetColumns (); if (r.Value == '\t') { @@ -358,8 +360,11 @@ class TextModel { return t.Count - start; } - internal static (int size, int length) DisplaySize (List t, int start = -1, int end = -1, - bool checkNextRune = true, int tabWidth = 0) + internal static (int size, int length) DisplaySize (List t, + int start = -1, + int end = -1, + bool checkNextRune = true, + int tabWidth = 0) { var runes = new List (); foreach (var cell in t) { @@ -369,16 +374,19 @@ class TextModel { } // Returns the size and length in a range of the string. - internal static (int size, int length) DisplaySize (List t, int start = -1, int end = -1, - bool checkNextRune = true, int tabWidth = 0) + internal static (int size, int length) DisplaySize (List t, + int start = -1, + int end = -1, + bool checkNextRune = true, + int tabWidth = 0) { if (t == null || t.Count == 0) { return (0, 0); } - int size = 0; - int len = 0; - int tcount = end == -1 ? t.Count : end > t.Count ? t.Count : end; - int i = start == -1 ? 0 : start; + var size = 0; + var len = 0; + var tcount = end == -1 ? t.Count : end > t.Count ? t.Count : end; + var i = start == -1 ? 0 : start; for (; i < tcount; i++) { var rune = t [i]; size += rune.GetColumns (); @@ -387,8 +395,7 @@ class TextModel { size += tabWidth + 1; len += tabWidth - 1; } - if (checkNextRune && i == tcount - 1 && t.Count > tcount - && IsWideRune (t [i + 1], tabWidth, out int s, out int l)) { + if (checkNextRune && i == tcount - 1 && t.Count > tcount && IsWideRune (t [i + 1], tabWidth, out var s, out var l)) { size += s; len += l; } @@ -424,11 +431,11 @@ class TextModel { if (t == null || t.Count == 0) { return 0; } - int size = 0; - int tcount = end > t.Count - 1 ? t.Count - 1 : end; - int col = 0; + var size = 0; + var tcount = end > t.Count - 1 ? t.Count - 1 : end; + var col = 0; - for (int i = tcount; i >= 0; i--) { + for (var i = tcount; i >= 0; i--) { var rune = t [i]; size += rune.GetColumns (); if (rune.Value == '\t') { @@ -439,7 +446,8 @@ class TextModel { col++; } break; - } else if (end < t.Count && col > 0 && start < end && col == start || end - col == width - 1) { + } + if (end < t.Count && col > 0 && start < end && col == start || end - col == width - 1) { break; } col = i; @@ -448,8 +456,6 @@ class TextModel { return col; } - (Point startPointToFind, Point currentPointToFind, bool found) _toFind; - internal (Point current, bool found) FindNextText (string text, out bool gaveFullTurn, bool matchCase = false, bool matchWholeWord = false) { if (text == null || _lines.Count == 0) { @@ -479,7 +485,7 @@ class TextModel { if (_toFind.found) { _toFind.currentPointToFind.X++; } - int linesCount = _toFind.currentPointToFind.IsEmpty ? _lines.Count - 1 : _toFind.currentPointToFind.Y; + var linesCount = _toFind.currentPointToFind.IsEmpty ? _lines.Count - 1 : _toFind.currentPointToFind.Y; var foundPos = GetFoundPreviousTextPoint (text, linesCount, matchCase, matchWholeWord, _toFind.currentPointToFind); if (!foundPos.found && _toFind.currentPointToFind != _toFind.startPointToFind) { foundPos = GetFoundPreviousTextPoint (text, _lines.Count - 1, matchCase, matchWholeWord, @@ -492,14 +498,14 @@ class TextModel { internal (Point current, bool found) ReplaceAllText (string text, bool matchCase = false, bool matchWholeWord = false, string? textToReplace = null) { - bool found = false; + var found = false; var pos = Point.Empty; - for (int i = 0; i < _lines.Count; i++) { + for (var i = 0; i < _lines.Count; i++) { var x = _lines [i]; - string txt = GetText (x); - string matchText = !matchCase ? text.ToUpper () : text; - int col = txt.IndexOf (matchText); + var txt = GetText (x); + var matchText = !matchCase ? text.ToUpper () : text; + var col = txt.IndexOf (matchText); while (col > -1) { if (matchWholeWord && !MatchWholeWord (txt, matchText, col)) { if (col + 1 > txt.Length) { @@ -527,7 +533,7 @@ class TextModel { string GetText (List x) { - string txt = ToString (x); + var txt = ToString (x); if (!matchCase) { txt = txt.ToUpper (); } @@ -539,19 +545,19 @@ class TextModel { string ReplaceText (List source, string textToReplace, string matchText, int col) { - string origTxt = ToString (source); - (int _, int len) = DisplaySize (source, 0, col, false); - (int _, int len2) = DisplaySize (source, col, col + matchText.Length, false); - (int _, int len3) = DisplaySize (source, col + matchText.Length, origTxt.GetRuneCount (), false); + var origTxt = ToString (source); + (var _, var len) = DisplaySize (source, 0, col, false); + (var _, var len2) = DisplaySize (source, col, col + matchText.Length, false); + (var _, var len3) = DisplaySize (source, col + matchText.Length, origTxt.GetRuneCount (), false); return origTxt [..len] + - textToReplace + - origTxt.Substring (len + len2, len3); + textToReplace + + origTxt.Substring (len + len2, len3); } bool ApplyToFind ((Point current, bool found) foundPos) { - bool gaveFullTurn = false; + var gaveFullTurn = false; if (foundPos.found) { _toFind.currentPointToFind = foundPos.current; if (_toFind.found && _toFind.currentPointToFind == _toFind.startPointToFind) { @@ -568,22 +574,21 @@ class TextModel { (Point current, bool found) GetFoundNextTextPoint (string text, int linesCount, bool matchCase, bool matchWholeWord, Point start) { - for (int i = start.Y; i < linesCount; i++) { + for (var i = start.Y; i < linesCount; i++) { var x = _lines [i]; - string txt = ToString (x); + var txt = ToString (x); if (!matchCase) { txt = txt.ToUpper (); } - string matchText = !matchCase ? text.ToUpper () : text; - int col = txt.IndexOf (matchText, Math.Min (start.X, txt.Length)); + var matchText = !matchCase ? text.ToUpper () : text; + var col = txt.IndexOf (matchText, Math.Min (start.X, txt.Length)); if (col > -1 && matchWholeWord && !MatchWholeWord (txt, matchText, col)) { continue; } - if (col > -1 && (i == start.Y && col >= start.X - || i > start.Y) - && txt.Contains (matchText)) { + if (col > -1 && (i == start.Y && col >= start.X || i > start.Y) && txt.Contains (matchText)) { return (new Point (col, i), true); - } else if (col == -1 && start.X > 0) { + } + if (col == -1 && start.X > 0) { start.X = 0; } } @@ -593,23 +598,21 @@ class TextModel { (Point current, bool found) GetFoundPreviousTextPoint (string text, int linesCount, bool matchCase, bool matchWholeWord, Point start) { - for (int i = linesCount; i >= 0; i--) { + for (var i = linesCount; i >= 0; i--) { var x = _lines [i]; - string txt = ToString (x); + var txt = ToString (x); if (!matchCase) { txt = txt.ToUpper (); } if (start.Y != i) { start.X = Math.Max (x.Count - 1, 0); } - string matchText = !matchCase ? text.ToUpper () : text; - int col = txt.LastIndexOf (matchText, _toFind.found ? start.X - 1 : start.X); + var matchText = !matchCase ? text.ToUpper () : text; + var col = txt.LastIndexOf (matchText, _toFind.found ? start.X - 1 : start.X); if (col > -1 && matchWholeWord && !MatchWholeWord (txt, matchText, col)) { continue; } - if (col > -1 && (i <= linesCount && col <= start.X - || i < start.Y) - && txt.Contains (matchText)) { + if (col > -1 && (i <= linesCount && col <= start.X || i < start.Y) && txt.Contains (matchText)) { return (new Point (col, i), true); } } @@ -623,12 +626,11 @@ class TextModel { return false; } - string txt = matchText.Trim (); - int start = index > 0 ? index - 1 : 0; - int end = index + txt.Length; + var txt = matchText.Trim (); + var start = index > 0 ? index - 1 : 0; + var end = index + txt.Length; - if ((start == 0 || Rune.IsWhiteSpace ((Rune)source [start])) - && (end == source.Length || Rune.IsWhiteSpace ((Rune)source [end]))) { + if ((start == 0 || Rune.IsWhiteSpace ((Rune)source [start])) && (end == source.Length || Rune.IsWhiteSpace ((Rune)source [end]))) { return true; } @@ -650,9 +652,8 @@ class TextModel { var line = GetLine (row); if (line.Count > 0) { return line [col > line.Count - 1 ? line.Count - 1 : col]; - } else { - return default!; } + return default!; } bool MoveNext (ref int col, ref int row, out Rune rune) @@ -661,12 +662,12 @@ class TextModel { if (col + 1 < line.Count) { col++; rune = line [col].Rune; - if (col + 1 == line.Count && !Rune.IsLetterOrDigit (rune) - && !Rune.IsWhiteSpace (line [col - 1].Rune)) { + if (col + 1 == line.Count && !Rune.IsLetterOrDigit (rune) && !Rune.IsWhiteSpace (line [col - 1].Rune)) { col++; } return true; - } else if (col + 1 == line.Count) { + } + if (col + 1 == line.Count) { col++; } while (row + 1 < Count) { @@ -708,23 +709,18 @@ class TextModel { return false; } - enum RuneType { - IsSymbol, - IsWhiteSpace, - IsLetterOrDigit, - IsPunctuation, - IsUnknow - } - RuneType GetRuneType (Rune rune) { if (Rune.IsSymbol (rune)) { return RuneType.IsSymbol; - } else if (Rune.IsWhiteSpace (rune)) { + } + if (Rune.IsWhiteSpace (rune)) { return RuneType.IsWhiteSpace; - } else if (Rune.IsLetterOrDigit (rune)) { + } + if (Rune.IsLetterOrDigit (rune)) { return RuneType.IsLetterOrDigit; - } else if (Rune.IsPunctuation (rune)) { + } + if (Rune.IsPunctuation (rune)) { return RuneType.IsPunctuation; } return RuneType.IsUnknow; @@ -742,12 +738,12 @@ class TextModel { return null; } - int col = fromCol; - int row = fromRow; + var col = fromCol; + var row = fromRow; try { var rune = RuneAt (col, row).Rune; var runeType = GetRuneType (rune); - int lastValidCol = IsSameRuneType (rune, runeType) && (Rune.IsLetterOrDigit (rune) || Rune.IsPunctuation (rune) || Rune.IsSymbol (rune)) ? col : -1; + var lastValidCol = IsSameRuneType (rune, runeType) && (Rune.IsLetterOrDigit (rune) || Rune.IsPunctuation (rune) || Rune.IsSymbol (rune)) ? col : -1; void ProcMoveNext (ref int nCol, ref int nRow, Rune nRune) { @@ -771,7 +767,8 @@ class TextModel { if (nRow != fromRow) { break; } - lastValidCol = IsSameRuneType (nRune, runeType) && Rune.IsLetterOrDigit (nRune) || Rune.IsPunctuation (nRune) || Rune.IsSymbol (nRune) ? nCol : lastValidCol; + lastValidCol = IsSameRuneType (nRune, runeType) && Rune.IsLetterOrDigit (nRune) || Rune.IsPunctuation (nRune) || Rune.IsSymbol (nRune) ? nCol + : lastValidCol; } if (lastValidCol > -1) { nCol = lastValidCol; @@ -814,8 +811,8 @@ class TextModel { return null; } - int col = Math.Max (fromCol - 1, 0); - int row = fromRow; + var col = Math.Max (fromCol - 1, 0); + var row = fromRow; try { var cell = RuneAt (col, row); Rune rune; @@ -824,16 +821,16 @@ class TextModel { } else { if (col > 0) { return (col, row); - } else if (col == 0 && row > 0) { + } + if (col == 0 && row > 0) { row--; var line = GetLine (row); return (line.Count, row); - } else { - return null; } + return null; } var runeType = GetRuneType (rune); - int lastValidCol = IsSameRuneType (rune, runeType) && (Rune.IsLetterOrDigit (rune) || Rune.IsPunctuation (rune) || Rune.IsSymbol (rune)) ? col : -1; + var lastValidCol = IsSameRuneType (rune, runeType) && (Rune.IsLetterOrDigit (rune) || Rune.IsPunctuation (rune) || Rune.IsSymbol (rune)) ? col : -1; void ProcMovePrev (ref int nCol, ref int nRow, Rune nRune) { @@ -860,7 +857,8 @@ class TextModel { if (nRow != fromRow) { break; } - lastValidCol = IsSameRuneType (nRune, runeType) && Rune.IsLetterOrDigit (nRune) || Rune.IsPunctuation (nRune) || Rune.IsSymbol (nRune) ? nCol : lastValidCol; + lastValidCol = IsSameRuneType (nRune, runeType) && Rune.IsLetterOrDigit (nRune) || Rune.IsPunctuation (nRune) || Rune.IsSymbol (nRune) ? nCol + : lastValidCol; } if (lastValidCol > -1) { nCol = lastValidCol; @@ -921,7 +919,7 @@ class TextModel { /// public static string ToString (IEnumerable cells) { - string str = string.Empty; + var str = string.Empty; foreach (var cell in cells) { str += cell.Rune.ToString (); @@ -929,6 +927,14 @@ class TextModel { return str; } + + enum RuneType { + IsSymbol, + IsWhiteSpace, + IsLetterOrDigit, + IsPunctuation, + IsUnknow + } } partial class HistoryText { @@ -939,7 +945,7 @@ partial class HistoryText { Added } - List _historyTextItems = new (); + readonly List _historyTextItems = new (); int _idxHistoryText = -1; string? _originalText; @@ -951,12 +957,10 @@ partial class HistoryText { public void Add (List> lines, Point curPos, LineStatus lineStatus = LineStatus.Original) { - if (lineStatus == LineStatus.Original && _historyTextItems.Count > 0 - && _historyTextItems.Last ().LineStatus == LineStatus.Original) { + if (lineStatus == LineStatus.Original && _historyTextItems.Count > 0 && _historyTextItems.Last ().LineStatus == LineStatus.Original) { return; } - if (lineStatus == LineStatus.Replaced && _historyTextItems.Count > 0 - && _historyTextItems.Last ().LineStatus == LineStatus.Replaced) { + if (lineStatus == LineStatus.Replaced && _historyTextItems.Count > 0 && _historyTextItems.Last ().LineStatus == LineStatus.Replaced) { return; } @@ -1018,15 +1022,15 @@ partial class HistoryText { void ProcessChanges (ref HistoryTextItem historyTextItem) { if (historyTextItem.IsUndoing) { - if (_idxHistoryText - 1 > -1 && (_historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Added - || _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Removed - || historyTextItem.LineStatus == LineStatus.Replaced && - _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Original)) { + if (_idxHistoryText - 1 > -1 && + (_historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Added || + _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Removed || + historyTextItem.LineStatus == LineStatus.Replaced && + _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Original)) { _idxHistoryText--; - while (_historyTextItems [_idxHistoryText].LineStatus == LineStatus.Added - && _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Removed) { + while (_historyTextItems [_idxHistoryText].LineStatus == LineStatus.Added && _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Removed) { _idxHistoryText--; } @@ -1039,12 +1043,12 @@ partial class HistoryText { historyTextItem.RemovedOnAdded = new HistoryTextItem (_historyTextItems [_idxHistoryText + 1]); } - if (historyTextItem.LineStatus == LineStatus.Added && _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Original - || historyTextItem.LineStatus == LineStatus.Removed && _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Original - || historyTextItem.LineStatus == LineStatus.Added && _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Removed) { + if (historyTextItem.LineStatus == LineStatus.Added && _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Original || + historyTextItem.LineStatus == LineStatus.Removed && _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Original || + historyTextItem.LineStatus == LineStatus.Added && _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Removed) { - if (!historyTextItem.Lines [0].SequenceEqual (_historyTextItems [_idxHistoryText - 1].Lines [0]) - && historyTextItem.CursorPosition == _historyTextItems [_idxHistoryText - 1].CursorPosition) { + if (!historyTextItem.Lines [0].SequenceEqual (_historyTextItems [_idxHistoryText - 1].Lines [0]) && + historyTextItem.CursorPosition == _historyTextItems [_idxHistoryText - 1].CursorPosition) { historyTextItem.Lines [0] = new List (_historyTextItems [_idxHistoryText - 1].Lines [0]); } if (historyTextItem.LineStatus == LineStatus.Added && _historyTextItems [_idxHistoryText - 1].LineStatus == LineStatus.Removed) { @@ -1057,15 +1061,15 @@ partial class HistoryText { } OnChangeText (historyTextItem); - while (_historyTextItems [_idxHistoryText].LineStatus == LineStatus.Removed - || _historyTextItems [_idxHistoryText].LineStatus == LineStatus.Added) { + while (_historyTextItems [_idxHistoryText].LineStatus == LineStatus.Removed || _historyTextItems [_idxHistoryText].LineStatus == LineStatus.Added) { _idxHistoryText--; } } else if (!historyTextItem.IsUndoing) { - if (_idxHistoryText + 1 < _historyTextItems.Count && (historyTextItem.LineStatus == LineStatus.Original - || _historyTextItems [_idxHistoryText + 1].LineStatus == LineStatus.Added - || _historyTextItems [_idxHistoryText + 1].LineStatus == LineStatus.Removed)) { + if (_idxHistoryText + 1 < _historyTextItems.Count && + (historyTextItem.LineStatus == LineStatus.Original || + _historyTextItems [_idxHistoryText + 1].LineStatus == LineStatus.Added || + _historyTextItems [_idxHistoryText + 1].LineStatus == LineStatus.Removed)) { _idxHistoryText++; historyTextItem = new HistoryTextItem (_historyTextItems [_idxHistoryText]); @@ -1077,12 +1081,11 @@ partial class HistoryText { historyTextItem.RemovedOnAdded = new HistoryTextItem (_historyTextItems [_idxHistoryText - 1]); } - if (historyTextItem.LineStatus == LineStatus.Removed && _historyTextItems [_idxHistoryText + 1].LineStatus == LineStatus.Replaced - || historyTextItem.LineStatus == LineStatus.Removed && _historyTextItems [_idxHistoryText + 1].LineStatus == LineStatus.Original - || historyTextItem.LineStatus == LineStatus.Added && _historyTextItems [_idxHistoryText + 1].LineStatus == LineStatus.Replaced) { + if (historyTextItem.LineStatus == LineStatus.Removed && _historyTextItems [_idxHistoryText + 1].LineStatus == LineStatus.Replaced || + historyTextItem.LineStatus == LineStatus.Removed && _historyTextItems [_idxHistoryText + 1].LineStatus == LineStatus.Original || + historyTextItem.LineStatus == LineStatus.Added && _historyTextItems [_idxHistoryText + 1].LineStatus == LineStatus.Replaced) { - if (historyTextItem.LineStatus == LineStatus.Removed - && !historyTextItem.Lines [0].SequenceEqual (_historyTextItems [_idxHistoryText + 1].Lines [0])) { + if (historyTextItem.LineStatus == LineStatus.Removed && !historyTextItem.Lines [0].SequenceEqual (_historyTextItems [_idxHistoryText + 1].Lines [0])) { historyTextItem.Lines [0] = new List (_historyTextItems [_idxHistoryText + 1].Lines [0]); } historyTextItem.FinalCursorPosition = _historyTextItems [_idxHistoryText + 1].CursorPosition; @@ -1091,8 +1094,7 @@ partial class HistoryText { } OnChangeText (historyTextItem); - while (_historyTextItems [_idxHistoryText].LineStatus == LineStatus.Removed - || _historyTextItems [_idxHistoryText].LineStatus == LineStatus.Added) { + while (_historyTextItems [_idxHistoryText].LineStatus == LineStatus.Removed || _historyTextItems [_idxHistoryText].LineStatus == LineStatus.Added) { _idxHistoryText++; } @@ -1113,46 +1115,49 @@ partial class HistoryText { } class WordWrapManager { - class WrappedLine { - public int ModelLine; - public int Row; - public int RowIndex; - public int ColWidth; - } - - List _wrappedModelLines = new (); int _frameWidth; bool _isWrapModelRefreshing; - public TextModel Model { get; private set; } + List _wrappedModelLines = new (); public WordWrapManager (TextModel model) => Model = model; - public TextModel WrapModel (int width, out int nRow, out int nCol, out int nStartRow, out int nStartCol, - int row = 0, int col = 0, int startRow = 0, int startCol = 0, int tabWidth = 0, bool preserveTrailingSpaces = true) + public TextModel Model { get; private set; } + + public TextModel WrapModel (int width, + out int nRow, + out int nCol, + out int nStartRow, + out int nStartCol, + int row = 0, + int col = 0, + int startRow = 0, + int startCol = 0, + int tabWidth = 0, + bool preserveTrailingSpaces = true) { _frameWidth = width; - int modelRow = _isWrapModelRefreshing ? row : GetModelLineFromWrappedLines (row); - int modelCol = _isWrapModelRefreshing ? col : GetModelColFromWrappedLines (row, col); - int modelStartRow = _isWrapModelRefreshing ? startRow : GetModelLineFromWrappedLines (startRow); - int modelStartCol = _isWrapModelRefreshing ? startCol : GetModelColFromWrappedLines (startRow, startCol); + var modelRow = _isWrapModelRefreshing ? row : GetModelLineFromWrappedLines (row); + var modelCol = _isWrapModelRefreshing ? col : GetModelColFromWrappedLines (row, col); + var modelStartRow = _isWrapModelRefreshing ? startRow : GetModelLineFromWrappedLines (startRow); + var modelStartCol = _isWrapModelRefreshing ? startCol : GetModelColFromWrappedLines (startRow, startCol); var wrappedModel = new TextModel (); - int lines = 0; + var lines = 0; nRow = 0; nCol = 0; nStartRow = 0; nStartCol = 0; - bool isRowAndColSetted = row == 0 && col == 0; - bool isStartRowAndColSetted = startRow == 0 && startCol == 0; + var isRowAndColSetted = row == 0 && col == 0; + var isStartRowAndColSetted = startRow == 0 && startCol == 0; var wModelLines = new List (); - for (int i = 0; i < Model.Count; i++) { + for (var i = 0; i < Model.Count; i++) { var line = Model.GetLine (i); var wrappedLines = ToListRune ( TextFormatter.Format (TextModel.ToString (line), width, TextAlignment.Left, true, preserveTrailingSpaces, tabWidth)); - int sumColWidth = 0; - for (int j = 0; j < wrappedLines.Count; j++) { + var sumColWidth = 0; + for (var j = 0; j < wrappedLines.Count; j++) { var wrapLine = wrappedLines [j]; if (!isRowAndColSetted && modelRow == i) { if (nCol + wrapLine.Count <= modelCol) { @@ -1166,7 +1171,7 @@ class WordWrapManager { isRowAndColSetted = true; } } else { - int offset = nCol + wrapLine.Count - modelCol; + var offset = nCol + wrapLine.Count - modelCol; nCol = wrapLine.Count - offset; nRow = lines; isRowAndColSetted = true; @@ -1184,18 +1189,18 @@ class WordWrapManager { isStartRowAndColSetted = true; } } else { - int offset = nStartCol + wrapLine.Count - modelStartCol; + var offset = nStartCol + wrapLine.Count - modelStartCol; nStartCol = wrapLine.Count - offset; nStartRow = lines; isStartRowAndColSetted = true; } } - for (int k = j; k < wrapLine.Count; k++) { + for (var k = j; k < wrapLine.Count; k++) { wrapLine [k].ColorScheme = line [k].ColorScheme; } wrappedModel.AddLine (lines, wrapLine); sumColWidth += wrapLine.Count; - var wrappedLine = new WrappedLine () { + var wrappedLine = new WrappedLine { ModelLine = i, Row = lines, RowIndex = j, @@ -1214,7 +1219,7 @@ class WordWrapManager { { var runesList = new List> (); - foreach (string text in textList) { + foreach (var text in textList) { runesList.Add (TextModel.ToRuneCellList (text)); } @@ -1231,11 +1236,11 @@ class WordWrapManager { return 0; } - int modelLine = GetModelLineFromWrappedLines (line); - int firstLine = _wrappedModelLines.IndexOf (r => r.ModelLine == modelLine); - int modelCol = 0; + var modelLine = GetModelLineFromWrappedLines (line); + var firstLine = _wrappedModelLines.IndexOf (r => r.ModelLine == modelLine); + var modelCol = 0; - for (int i = firstLine; i <= Math.Min (line, _wrappedModelLines!.Count - 1); i++) { + for (var i = firstLine; i <= Math.Min (line, _wrappedModelLines!.Count - 1); i++) { var wLine = _wrappedModelLines [i]; if (i < line) { @@ -1252,15 +1257,15 @@ class WordWrapManager { public void AddLine (int row, int col) { - int modelRow = GetModelLineFromWrappedLines (row); - int modelCol = GetModelColFromWrappedLines (row, col); + var modelRow = GetModelLineFromWrappedLines (row); + var modelCol = GetModelColFromWrappedLines (row, col); var line = GetCurrentLine (modelRow); - int restCount = line.Count - modelCol; + var restCount = line.Count - modelCol; var rest = line.GetRange (modelCol, restCount); line.RemoveRange (modelCol, restCount); Model.AddLine (modelRow + 1, rest); _isWrapModelRefreshing = true; - WrapModel (_frameWidth, out _, out _, out _, out _, modelRow + 1, 0); + WrapModel (_frameWidth, out _, out _, out _, out _, modelRow + 1); _isWrapModelRefreshing = false; } @@ -1270,16 +1275,15 @@ class WordWrapManager { line.Insert (GetModelColFromWrappedLines (row, col), cell); if (line.Count > _frameWidth) { return true; - } else { - return false; } + return false; } public bool RemoveAt (int row, int col) { - int modelRow = GetModelLineFromWrappedLines (row); + var modelRow = GetModelLineFromWrappedLines (row); var line = GetCurrentLine (modelRow); - int modelCol = GetModelColFromWrappedLines (row, col); + var modelCol = GetModelColFromWrappedLines (row, col); if (modelCol > line.Count) { Model.RemoveLine (modelRow); @@ -1289,8 +1293,7 @@ class WordWrapManager { if (modelCol < line.Count) { line.RemoveAt (modelCol); } - if (line.Count > _frameWidth || row + 1 < _wrappedModelLines.Count - && _wrappedModelLines [row + 1].ModelLine == modelRow) { + if (line.Count > _frameWidth || row + 1 < _wrappedModelLines.Count && _wrappedModelLines [row + 1].ModelLine == modelRow) { return true; } @@ -1300,18 +1303,20 @@ class WordWrapManager { public bool RemoveLine (int row, int col, out bool lineRemoved, bool forward = true) { lineRemoved = false; - int modelRow = GetModelLineFromWrappedLines (row); + var modelRow = GetModelLineFromWrappedLines (row); var line = GetCurrentLine (modelRow); - int modelCol = GetModelColFromWrappedLines (row, col); + var modelCol = GetModelColFromWrappedLines (row, col); if (modelCol == 0 && line.Count == 0) { Model.RemoveLine (modelRow); return false; - } else if (modelCol < line.Count) { + } + if (modelCol < line.Count) { if (forward) { line.RemoveAt (modelCol); return true; - } else if (modelCol - 1 > -1) { + } + if (modelCol - 1 > -1) { line.RemoveAt (modelCol - 1); return true; } @@ -1346,9 +1351,9 @@ class WordWrapManager { public bool RemoveRange (int row, int index, int count) { - int modelRow = GetModelLineFromWrappedLines (row); + var modelRow = GetModelLineFromWrappedLines (row); var line = GetCurrentLine (modelRow); - int modelCol = GetModelColFromWrappedLines (row, index); + var modelCol = GetModelColFromWrappedLines (row, index); try { line.RemoveRange (modelCol, count); @@ -1359,8 +1364,16 @@ class WordWrapManager { return true; } - public void UpdateModel (TextModel model, out int nRow, out int nCol, out int nStartRow, out int nStartCol, - int row, int col, int startRow, int startCol, bool preserveTrailingSpaces) + public void UpdateModel (TextModel model, + out int nRow, + out int nCol, + out int nStartRow, + out int nStartCol, + int row, + int col, + int startRow, + int startCol, + bool preserveTrailingSpaces) { _isWrapModelRefreshing = true; Model = model; @@ -1375,11 +1388,11 @@ class WordWrapManager { } var wModelLines = wrapManager._wrappedModelLines; - int modelLine = GetModelLineFromWrappedLines (line); - int firstLine = _wrappedModelLines.IndexOf (r => r.ModelLine == modelLine); - int modelCol = 0; - int colWidthOffset = 0; - int i = firstLine; + var modelLine = GetModelLineFromWrappedLines (line); + var firstLine = _wrappedModelLines.IndexOf (r => r.ModelLine == modelLine); + var modelCol = 0; + var colWidthOffset = 0; + var i = firstLine; while (modelCol < col) { var wLine = _wrappedModelLines! [i]; @@ -1399,186 +1412,180 @@ class WordWrapManager { return modelCol - colWidthOffset; } + + class WrappedLine { + public int ColWidth; + public int ModelLine; + public int Row; + public int RowIndex; + } } /// -/// Multi-line text editing . +/// Multi-line text editing . /// /// -/// -/// provides a multi-line text editor. Users interact -/// with it with the standard Windows, Mac, and Linux (Emacs) commands. -/// -/// -/// -/// Shortcut -/// Action performed -/// -/// -/// Left cursor, Control-b -/// -/// Moves the editing point left. -/// -/// -/// -/// Right cursor, Control-f -/// -/// Moves the editing point right. -/// -/// -/// -/// Alt-b -/// -/// Moves one word back. -/// -/// -/// -/// Alt-f -/// -/// Moves one word forward. -/// -/// -/// -/// Up cursor, Control-p -/// -/// Moves the editing point one line up. -/// -/// -/// -/// Down cursor, Control-n -/// -/// Moves the editing point one line down -/// -/// -/// -/// Home key, Control-a -/// -/// Moves the cursor to the beginning of the line. -/// -/// -/// -/// End key, Control-e -/// -/// Moves the cursor to the end of the line. -/// -/// -/// -/// Control-Home -/// -/// Scrolls to the first line and moves the cursor there. -/// -/// -/// -/// Control-End -/// -/// Scrolls to the last line and moves the cursor there. -/// -/// -/// -/// Delete, Control-d -/// -/// Deletes the character in front of the cursor. -/// -/// -/// -/// Backspace -/// -/// Deletes the character behind the cursor. -/// -/// -/// -/// Control-k -/// -/// Deletes the text until the end of the line and replaces the kill buffer -/// with the deleted text. You can paste this text in a different place by -/// using Control-y. -/// -/// -/// -/// Control-y -/// -/// Pastes the content of the kill ring into the current position. -/// -/// -/// -/// Alt-d -/// -/// Deletes the word above the cursor and adds it to the kill ring. You -/// can paste the contents of the kill ring with Control-y. -/// -/// -/// -/// Control-q -/// -/// Quotes the next input character, to prevent the normal processing of -/// key handling to take place. -/// -/// -/// +/// +/// provides a multi-line text editor. Users interact +/// with it with the standard Windows, Mac, and Linux (Emacs) commands. +/// +/// +/// +/// Shortcut +/// Action performed +/// +/// +/// Left cursor, Control-b +/// +/// Moves the editing point left. +/// +/// +/// +/// Right cursor, Control-f +/// +/// Moves the editing point right. +/// +/// +/// +/// Alt-b +/// +/// Moves one word back. +/// +/// +/// +/// Alt-f +/// +/// Moves one word forward. +/// +/// +/// +/// Up cursor, Control-p +/// +/// Moves the editing point one line up. +/// +/// +/// +/// Down cursor, Control-n +/// +/// Moves the editing point one line down +/// +/// +/// +/// Home key, Control-a +/// +/// Moves the cursor to the beginning of the line. +/// +/// +/// +/// End key, Control-e +/// +/// Moves the cursor to the end of the line. +/// +/// +/// +/// Control-Home +/// +/// Scrolls to the first line and moves the cursor there. +/// +/// +/// +/// Control-End +/// +/// Scrolls to the last line and moves the cursor there. +/// +/// +/// +/// Delete, Control-d +/// +/// Deletes the character in front of the cursor. +/// +/// +/// +/// Backspace +/// +/// Deletes the character behind the cursor. +/// +/// +/// +/// Control-k +/// +/// Deletes the text until the end of the line and replaces the kill buffer +/// with the deleted text. You can paste this text in a different place by +/// using Control-y. +/// +/// +/// +/// Control-y +/// +/// Pastes the content of the kill ring into the current position. +/// +/// +/// +/// Alt-d +/// +/// Deletes the word above the cursor and adds it to the kill ring. You +/// can paste the contents of the kill ring with Control-y. +/// +/// +/// +/// Control-q +/// +/// Quotes the next input character, to prevent the normal processing of +/// key handling to take place. +/// +/// +/// /// public class TextView : View { - TextModel _model = new (); - int _topRow; - int _leftColumn; - int _currentRow; - int _currentColumn; - int _selectionStartColumn, _selectionStartRow; - bool _selecting; - bool _wordWrap; - WordWrapManager? _wrapManager; - bool _continuousFind; - int _bottomOffset, _rightOffset; - int _tabWidth = 4; - bool _allowsTab = true; bool _allowsReturn = true; - bool _multiline = true; - HistoryText _historyText = new (); + bool _allowsTab = true; + int _bottomOffset, _rightOffset; + bool _clickWithSelecting; + + // The column we are tracking, or -1 if we are not tracking any column + int _columnTrack = -1; + bool _continuousFind; + + bool _copyWithoutSelection; + + string? _currentCaller; CultureInfo? _currentCulture; + CursorVisibility _desiredCursorVisibility = CursorVisibility.Default; + readonly HistoryText _historyText = new (); + + bool _isButtonShift; + bool _isDrawing; + bool _isReadOnly; + + bool _lastWasKill; + int _leftColumn; + TextModel _model = new (); + bool _multiline = true; + + CursorVisibility _savedCursorVisibility; + int _selectionStartColumn, _selectionStartRow; + bool _shiftSelecting; + int _tabWidth = 4; + int _topRow; + bool _wordWrap; + WordWrapManager? _wrapManager; + bool _wrapNeeded; + + Dim? savedHeight; + /// - /// Raised when the property of the changes. + /// Initializes a on the specified area, with absolute position and size. /// /// - /// The property of only changes when it is explicitly - /// set, not as the user types. To be notified as the user changes the contents of the TextView - /// see . /// - public event EventHandler? TextChanged; + public TextView (Rect frame) : base (frame) => SetInitialProperties (); /// - /// Raised when the contents of the are changed. + /// Initializes a on the specified area, + /// with dimensions controlled with the X, Y, Width and Height properties. /// - /// - /// Unlike the event, this event is raised whenever the user types or - /// otherwise changes the contents of the . - /// - public event EventHandler? ContentsChanged; - - /// - /// Invoked with the unwrapped . - /// - public event EventHandler? UnwrappedCursorPosition; - - /// - /// Invoked when the normal color is drawn. - /// - public event EventHandler? DrawNormalColor; - - /// - /// Invoked when the selection color is drawn. - /// - public event EventHandler? DrawSelectionColor; - - /// - /// Invoked when the ready only color is drawn. - /// - public event EventHandler? DrawReadOnlyColor; - - /// - /// Invoked when the used color is drawn. The Used Color is used to indicate - /// if the was pressed and enabled. - /// - public event EventHandler? DrawUsedColor; + public TextView () => SetInitialProperties (); /// /// Provides autocomplete context menu based on suggestions at the current cursor @@ -1586,287 +1593,14 @@ public class TextView : View { /// public IAutocomplete Autocomplete { get; protected set; } = new TextViewAutocomplete (); - /// - /// Initializes a on the specified area, with absolute position and size. - /// - /// - /// - public TextView (Rect frame) : base (frame) => SetInitialProperties (); - - /// - /// Initializes a on the specified area, - /// with dimensions controlled with the X, Y, Width and Height properties. - /// - public TextView () : base () => SetInitialProperties (); - - void SetInitialProperties () - { - CanFocus = true; - Used = true; - - _model.LinesLoaded += Model_LinesLoaded!; - _historyText.ChangeText += HistoryText_ChangeText!; - - Initialized += TextView_Initialized!; - - // Things this view knows how to do - AddCommand (Command.PageDown, () => { ProcessPageDown (); return true; }); - AddCommand (Command.PageDownExtend, () => { ProcessPageDownExtend (); return true; }); - AddCommand (Command.PageUp, () => { ProcessPageUp (); return true; }); - AddCommand (Command.PageUpExtend, () => { ProcessPageUpExtend (); return true; }); - AddCommand (Command.LineDown, () => { ProcessMoveDown (); return true; }); - AddCommand (Command.LineDownExtend, () => { ProcessMoveDownExtend (); return true; }); - AddCommand (Command.LineUp, () => { ProcessMoveUp (); return true; }); - AddCommand (Command.LineUpExtend, () => { ProcessMoveUpExtend (); return true; }); - AddCommand (Command.Right, () => ProcessMoveRight ()); - AddCommand (Command.RightExtend, () => { ProcessMoveRightExtend (); return true; }); - AddCommand (Command.Left, () => ProcessMoveLeft ()); - AddCommand (Command.LeftExtend, () => { ProcessMoveLeftExtend (); return true; }); - AddCommand (Command.DeleteCharLeft, () => { ProcessDeleteCharLeft (); return true; }); - AddCommand (Command.StartOfLine, () => { ProcessMoveStartOfLine (); return true; }); - AddCommand (Command.StartOfLineExtend, () => { ProcessMoveStartOfLineExtend (); return true; }); - AddCommand (Command.DeleteCharRight, () => { ProcessDeleteCharRight (); return true; }); - AddCommand (Command.EndOfLine, () => { ProcessMoveEndOfLine (); return true; }); - AddCommand (Command.EndOfLineExtend, () => { ProcessMoveEndOfLineExtend (); return true; }); - AddCommand (Command.CutToEndLine, () => { KillToEndOfLine (); return true; }); - AddCommand (Command.CutToStartLine, () => { KillToStartOfLine (); return true; }); - AddCommand (Command.Paste, () => { ProcessPaste (); return true; }); - AddCommand (Command.ToggleExtend, () => { ToggleSelecting (); return true; }); - AddCommand (Command.Copy, () => { ProcessCopy (); return true; }); - AddCommand (Command.Cut, () => { ProcessCut (); return true; }); - AddCommand (Command.WordLeft, () => { ProcessMoveWordBackward (); return true; }); - AddCommand (Command.WordLeftExtend, () => { ProcessMoveWordBackwardExtend (); return true; }); - AddCommand (Command.WordRight, () => { ProcessMoveWordForward (); return true; }); - AddCommand (Command.WordRightExtend, () => { ProcessMoveWordForwardExtend (); return true; }); - AddCommand (Command.KillWordForwards, () => { ProcessKillWordForward (); return true; }); - AddCommand (Command.KillWordBackwards, () => { ProcessKillWordBackward (); return true; }); - AddCommand (Command.NewLine, () => ProcessReturn ()); - AddCommand (Command.BottomEnd, () => { MoveBottomEnd (); return true; }); - AddCommand (Command.BottomEndExtend, () => { MoveBottomEndExtend (); return true; }); - AddCommand (Command.TopHome, () => { MoveTopHome (); return true; }); - AddCommand (Command.TopHomeExtend, () => { MoveTopHomeExtend (); return true; }); - AddCommand (Command.SelectAll, () => { ProcessSelectAll (); return true; }); - AddCommand (Command.ToggleOverwrite, () => { ProcessSetOverwrite (); return true; }); - AddCommand (Command.EnableOverwrite, () => { SetOverwrite (true); return true; }); - AddCommand (Command.DisableOverwrite, () => { SetOverwrite (false); return true; }); - AddCommand (Command.Tab, () => ProcessTab ()); - AddCommand (Command.BackTab, () => ProcessBackTab ()); - AddCommand (Command.NextView, () => ProcessMoveNextView ()); - AddCommand (Command.PreviousView, () => ProcessMovePreviousView ()); - AddCommand (Command.Undo, () => { Undo (); return true; }); - AddCommand (Command.Redo, () => { Redo (); return true; }); - AddCommand (Command.DeleteAll, () => { DeleteAll (); return true; }); - AddCommand (Command.ShowContextMenu, () => { - ContextMenu!.Position = new Point (CursorPosition.X - _leftColumn + 2, CursorPosition.Y - _topRow + 2); - ShowContextMenu (); - return true; - }); - - // Default keybindings for this view - KeyBindings.Add (KeyCode.PageDown, Command.PageDown); - KeyBindings.Add (KeyCode.V | KeyCode.CtrlMask, Command.PageDown); - - KeyBindings.Add (KeyCode.PageDown | KeyCode.ShiftMask, Command.PageDownExtend); - - KeyBindings.Add (KeyCode.PageUp, Command.PageUp); - KeyBindings.Add ((int)'V' + KeyCode.AltMask, Command.PageUp); - - KeyBindings.Add (KeyCode.PageUp | KeyCode.ShiftMask, Command.PageUpExtend); - - KeyBindings.Add (KeyCode.N | KeyCode.CtrlMask, Command.LineDown); - KeyBindings.Add (KeyCode.CursorDown, Command.LineDown); - - KeyBindings.Add (KeyCode.CursorDown | KeyCode.ShiftMask, Command.LineDownExtend); - - KeyBindings.Add (KeyCode.P | KeyCode.CtrlMask, Command.LineUp); - KeyBindings.Add (KeyCode.CursorUp, Command.LineUp); - - KeyBindings.Add (KeyCode.CursorUp | KeyCode.ShiftMask, Command.LineUpExtend); - - KeyBindings.Add (KeyCode.F | KeyCode.CtrlMask, Command.Right); - KeyBindings.Add (KeyCode.CursorRight, Command.Right); - - KeyBindings.Add (KeyCode.CursorRight | KeyCode.ShiftMask, Command.RightExtend); - - KeyBindings.Add (KeyCode.B | KeyCode.CtrlMask, Command.Left); - KeyBindings.Add (KeyCode.CursorLeft, Command.Left); - - KeyBindings.Add (KeyCode.CursorLeft | KeyCode.ShiftMask, Command.LeftExtend); - - KeyBindings.Add (KeyCode.Backspace, Command.DeleteCharLeft); - - KeyBindings.Add (KeyCode.Home, Command.StartOfLine); - KeyBindings.Add (KeyCode.A | KeyCode.CtrlMask, Command.StartOfLine); - - KeyBindings.Add (KeyCode.Home | KeyCode.ShiftMask, Command.StartOfLineExtend); - - KeyBindings.Add (KeyCode.Delete, Command.DeleteCharRight); - KeyBindings.Add (KeyCode.D | KeyCode.CtrlMask, Command.DeleteCharRight); - - KeyBindings.Add (KeyCode.End, Command.EndOfLine); - KeyBindings.Add (KeyCode.E | KeyCode.CtrlMask, Command.EndOfLine); - - KeyBindings.Add (KeyCode.End | KeyCode.ShiftMask, Command.EndOfLineExtend); - - KeyBindings.Add (KeyCode.K | KeyCode.CtrlMask, Command.CutToEndLine); // kill-to-end - KeyBindings.Add (KeyCode.Delete | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.CutToEndLine); // kill-to-end - - KeyBindings.Add (KeyCode.K | KeyCode.AltMask, Command.CutToStartLine); // kill-to-start - KeyBindings.Add (KeyCode.Backspace | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.CutToStartLine); // kill-to-start - - KeyBindings.Add (KeyCode.Y | KeyCode.CtrlMask, Command.Paste); // Control-y, yank - KeyBindings.Add (KeyCode.Space | KeyCode.CtrlMask, Command.ToggleExtend); - - KeyBindings.Add ((int)'C' + KeyCode.AltMask, Command.Copy); - KeyBindings.Add (KeyCode.C | KeyCode.CtrlMask, Command.Copy); - - KeyBindings.Add ((int)'W' + KeyCode.AltMask, Command.Cut); - KeyBindings.Add (KeyCode.W | KeyCode.CtrlMask, Command.Cut); - KeyBindings.Add (KeyCode.X | KeyCode.CtrlMask, Command.Cut); - - KeyBindings.Add (KeyCode.CursorLeft | KeyCode.CtrlMask, Command.WordLeft); - KeyBindings.Add ((KeyCode)((int)'B' + KeyCode.AltMask), Command.WordLeft); - - KeyBindings.Add (KeyCode.CursorLeft | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.WordLeftExtend); - - KeyBindings.Add (KeyCode.CursorRight | KeyCode.CtrlMask, Command.WordRight); - KeyBindings.Add ((KeyCode)((int)'F' + KeyCode.AltMask), Command.WordRight); - - KeyBindings.Add (KeyCode.CursorRight | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.WordRightExtend); - KeyBindings.Add (KeyCode.Delete | KeyCode.CtrlMask, Command.KillWordForwards); // kill-word-forwards - KeyBindings.Add (KeyCode.Backspace | KeyCode.CtrlMask, Command.KillWordBackwards); // kill-word-backwards - - // BUGBUG: If AllowsReturn is false, Key.Enter should not be bound (so that Toplevel can cause Command.Accept). - KeyBindings.Add (KeyCode.Enter, Command.NewLine); - KeyBindings.Add (KeyCode.End | KeyCode.CtrlMask, Command.BottomEnd); - KeyBindings.Add (KeyCode.End | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.BottomEndExtend); - KeyBindings.Add (KeyCode.Home | KeyCode.CtrlMask, Command.TopHome); - KeyBindings.Add (KeyCode.Home | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.TopHomeExtend); - KeyBindings.Add (KeyCode.T | KeyCode.CtrlMask, Command.SelectAll); - KeyBindings.Add (KeyCode.Insert, Command.ToggleOverwrite); - KeyBindings.Add (KeyCode.Tab, Command.Tab); - KeyBindings.Add (KeyCode.Tab | KeyCode.ShiftMask, Command.BackTab); - - KeyBindings.Add (KeyCode.Tab | KeyCode.CtrlMask, Command.NextView); - KeyBindings.Add ((KeyCode)Application.AlternateForwardKey, Command.NextView); - - KeyBindings.Add (KeyCode.Tab | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.PreviousView); - KeyBindings.Add ((KeyCode)Application.AlternateBackwardKey, Command.PreviousView); - - KeyBindings.Add (KeyCode.Z | KeyCode.CtrlMask, Command.Undo); - KeyBindings.Add (KeyCode.R | KeyCode.CtrlMask, Command.Redo); - - KeyBindings.Add (KeyCode.G | KeyCode.CtrlMask, Command.DeleteAll); - KeyBindings.Add (KeyCode.D | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.DeleteAll); - - _currentCulture = Thread.CurrentThread.CurrentUICulture; - - ContextMenu = new ContextMenu () { MenuItems = BuildContextMenuBarItem () }; - ContextMenu.KeyChanged += ContextMenu_KeyChanged!; - - KeyBindings.Add ((KeyCode)ContextMenu.Key, KeyBindingScope.HotKey, Command.ShowContextMenu); - } - - MenuBarItem BuildContextMenuBarItem () => new (new MenuItem [] { - new (Strings.ctxSelectAll, "", () => SelectAll (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.SelectAll)), - new (Strings.ctxDeleteAll, "", () => DeleteAll (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.DeleteAll)), - new (Strings.ctxCopy, "", () => Copy (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.Copy)), - new (Strings.ctxCut, "", () => Cut (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.Cut)), - new (Strings.ctxPaste, "", () => Paste (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.Paste)), - new (Strings.ctxUndo, "", () => Undo (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.Undo)), - new (Strings.ctxRedo, "", () => Redo (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.Redo)) - }); - - void ContextMenu_KeyChanged (object sender, KeyChangedEventArgs e) => KeyBindings.Replace ((KeyCode)e.OldKey, (KeyCode)e.NewKey); - - void Model_LinesLoaded (object sender, EventArgs e) - { - // This call is not needed. Model_LinesLoaded gets invoked when - // model.LoadString (value) is called. LoadString is called from one place - // (Text.set) and historyText.Clear() is called immediately after. - // If this call happens, HistoryText_ChangeText will get called multiple times - // when Text is set, which is wrong. - //historyText.Clear (Text); - - if (!_multiline && !IsInitialized) { - _currentColumn = Text.GetRuneCount (); - _leftColumn = _currentColumn > Frame.Width + 1 ? _currentColumn - Frame.Width + 1 : 0; - } - } - - void HistoryText_ChangeText (object sender, HistoryText.HistoryTextItem obj) - { - SetWrapModel (); - - if (obj != null) { - int startLine = obj.CursorPosition.Y; - - if (obj.RemovedOnAdded != null) { - int offset; - if (obj.IsUndoing) { - offset = Math.Max (obj.RemovedOnAdded.Lines.Count - obj.Lines.Count, 1); - } else { - offset = obj.RemovedOnAdded.Lines.Count - 1; - } - for (int i = 0; i < offset; i++) { - if (Lines > obj.RemovedOnAdded.CursorPosition.Y) { - _model.RemoveLine (obj.RemovedOnAdded.CursorPosition.Y); - } else { - break; - } - } - } - - for (int i = 0; i < obj.Lines.Count; i++) { - if (i == 0) { - _model.ReplaceLine (startLine, obj.Lines [i]); - } else if (obj.IsUndoing && obj.LineStatus == HistoryText.LineStatus.Removed - || !obj.IsUndoing && obj.LineStatus == HistoryText.LineStatus.Added) { - _model.AddLine (startLine, obj.Lines [i]); - } else if (Lines > obj.CursorPosition.Y + 1) { - _model.RemoveLine (obj.CursorPosition.Y + 1); - } - startLine++; - } - - CursorPosition = obj.FinalCursorPosition; - } - - UpdateWrapModel (); - - Adjust (); - OnContentsChanged (); - } - - void TextView_Initialized (object sender, EventArgs e) - { - Autocomplete.HostControl = this; - if (Application.Top != null) { - Application.Top.AlternateForwardKeyChanged += Top_AlternateForwardKeyChanged!; - Application.Top.AlternateBackwardKeyChanged += Top_AlternateBackwardKeyChanged!; - } - OnContentsChanged (); - } - - void Top_AlternateBackwardKeyChanged (object sender, KeyChangedEventArgs e) => KeyBindings.Replace ((KeyCode)e.OldKey, (KeyCode)e.NewKey); - - void Top_AlternateForwardKeyChanged (object sender, KeyChangedEventArgs e) => KeyBindings.Replace ((KeyCode)e.OldKey, (KeyCode)e.NewKey); - /// /// Tracks whether the text view should be considered "used", that is, that the user has moved in the entry, /// so new input should be appended at the cursor position, rather than clearing the entry /// public bool Used { get; set; } - void ResetPosition () - { - _topRow = _leftColumn = _currentRow = _currentColumn = 0; - StopSelecting (); - ResetCursorVisibility (); - } - /// - /// Sets or gets the text in the . + /// Sets or gets the text in the . /// /// /// The event is fired whenever this property is set. Note, however, @@ -1876,9 +1610,8 @@ public class TextView : View { get { if (_wordWrap) { return _wrapManager!.Model.ToString (); - } else { - return _model.ToString (); } + return _model.ToString (); } set { @@ -1895,35 +1628,6 @@ public class TextView : View { } } - /// - public override Rect Frame { - get => base.Frame; - set { - base.Frame = value; - if (IsInitialized) { - WrapTextModel (); - Adjust (); - } - } - } - - void WrapTextModel () - { - if (_wordWrap && _wrapManager != null) { - _model = _wrapManager.WrapModel (_frameWidth, - out int nRow, out int nCol, - out int nStartRow, out int nStartCol, - _currentRow, _currentColumn, - _selectionStartRow, _selectionStartColumn, - _tabWidth, true); - _currentRow = nRow; - _currentColumn = nCol; - _selectionStartRow = nStartRow; - _selectionStartColumn = nStartCol; - SetNeedsDisplay (); - } - } - int _frameWidth => Math.Max (Frame.Width - (RightOffset != 0 ? 2 : 1), 0); /// @@ -1955,14 +1659,14 @@ public class TextView : View { public int Lines => _model.Count; /// - /// Sets or gets the current cursor position. + /// Sets or gets the current cursor position. /// public Point CursorPosition { - get => new (_currentColumn, _currentRow); + get => new (CurrentColumn, CurrentRow); set { var line = _model.GetLine (Math.Max (Math.Min (value.Y, _model.Count - 1), 0)); - _currentColumn = value.X < 0 ? 0 : value.X > line.Count ? line.Count : value.X; - _currentRow = value.Y < 0 ? 0 : value.Y > _model.Count - 1 + CurrentColumn = value.X < 0 ? 0 : value.X > line.Count ? line.Count : value.X; + CurrentRow = value.Y < 0 ? 0 : value.Y > _model.Count - 1 ? Math.Max (_model.Count - 1, 0) : value.Y; SetNeedsDisplay (); Adjust (); @@ -1977,7 +1681,7 @@ public class TextView : View { set { var line = _model.GetLine (_selectionStartRow); _selectionStartColumn = value < 0 ? 0 : value > line.Count ? line.Count : value; - _selecting = true; + Selecting = true; SetNeedsDisplay (); Adjust (); } @@ -1991,7 +1695,7 @@ public class TextView : View { set { _selectionStartRow = value < 0 ? 0 : value > _model.Count - 1 ? Math.Max (_model.Count - 1, 0) : value; - _selecting = true; + Selecting = true; SetNeedsDisplay (); Adjust (); } @@ -2002,7 +1706,7 @@ public class TextView : View { /// public string SelectedText { get { - if (!_selecting || _model.Count == 1 && _model.GetLine (0).Count == 0) { + if (!Selecting || _model.Count == 1 && _model.GetLine (0).Count == 0) { return string.Empty; } @@ -2018,10 +1722,7 @@ public class TextView : View { /// /// Get or sets the selecting. /// - public bool Selecting { - get => _selecting; - set => _selecting = value; - } + public bool Selecting { get; set; } /// /// Allows word wrap the to fit the available container width. @@ -2054,7 +1755,7 @@ public class TextView : View { public int BottomOffset { get => _bottomOffset; set { - if (_currentRow == Lines - 1 && _bottomOffset > 0 && value == 0) { + if (CurrentRow == Lines - 1 && _bottomOffset > 0 && value == 0) { _topRow = Math.Max (_topRow - _bottomOffset, 0); } _bottomOffset = value; @@ -2069,7 +1770,7 @@ public class TextView : View { public int RightOffset { get => _rightOffset; set { - if (!_wordWrap && _currentColumn == GetCurrentLine ().Count && _rightOffset > 0 && value == 0) { + if (!_wordWrap && CurrentColumn == GetCurrentLine ().Count && _rightOffset > 0 && value == 0) { _leftColumn = Math.Max (_leftColumn - _rightOffset, 0); } _rightOffset = value; @@ -2097,9 +1798,9 @@ public class TextView : View { } /// - /// Gets or sets whether the inserts a tab character into the text or ignores + /// Gets or sets whether the inserts a tab character into the text or ignores /// tab input. If set to `false` and the user presses the tab key (or shift-tab) the focus will move to the - /// next view (or previous with shift-tab). The default is `true`; if the user presses the tab key, a tab + /// next view (or previous with shift-tab). The default is `true`; if the user presses the tab key, a tab /// character will be inserted into the text. /// public bool AllowsTab { @@ -2133,8 +1834,6 @@ public class TextView : View { } } - Dim? savedHeight = null; - /// /// Gets or sets a value indicating whether this is a multiline text view. /// @@ -2153,8 +1852,8 @@ public class TextView : View { AllowsReturn = false; AllowsTab = false; WordWrap = false; - _currentColumn = 0; - _currentRow = 0; + CurrentColumn = 0; + CurrentRow = 0; savedHeight = Height; //var prevLayoutStyle = LayoutStyle; //if (LayoutStyle == LayoutStyle.Computed) { @@ -2199,16 +1898,508 @@ public class TextView : View { public ContextMenu? ContextMenu { get; private set; } /// - /// If and the current is null + /// If and the current is null /// will inherit from the previous, otherwise if (default) do nothing. - /// If the text is load with this + /// If the text is load with this /// property is automatically sets to . /// public bool InheritsPreviousColorScheme { get; set; } - int GetSelectedLength () => SelectedText.Length; + /// + /// Gets the current cursor row. + /// + public int CurrentRow { get; private set; } - CursorVisibility _savedCursorVisibility; + /// + /// Gets the cursor column. + /// + /// The cursor column. + public int CurrentColumn { get; private set; } + + /// + /// Gets or sets whether the is in read-only mode or not + /// + /// Boolean value(Default false) + public bool ReadOnly { + get => _isReadOnly; + set { + if (value != _isReadOnly) { + _isReadOnly = value; + + SetNeedsDisplay (); + Adjust (); + } + } + } + + /// + /// Get / Set the wished cursor when the field is focused + /// + public CursorVisibility DesiredCursorVisibility { + get => _desiredCursorVisibility; + set { + if (HasFocus) { + Application.Driver.SetCursorVisibility (value); + } + + _desiredCursorVisibility = value; + SetNeedsDisplay (); + } + } + + /// + public override bool CanFocus { + get => base.CanFocus; + set => base.CanFocus = value; + } + + /// + /// Raised when the property of the changes. + /// + /// + /// The property of only changes when it is explicitly + /// set, not as the user types. To be notified as the user changes the contents of the TextView + /// see . + /// + public event EventHandler? TextChanged; + + /// + /// Raised when the contents of the are changed. + /// + /// + /// Unlike the event, this event is raised whenever the user types or + /// otherwise changes the contents of the . + /// + public event EventHandler? ContentsChanged; + + /// + /// Invoked with the unwrapped . + /// + public event EventHandler? UnwrappedCursorPosition; + + /// + /// Invoked when the normal color is drawn. + /// + public event EventHandler? DrawNormalColor; + + /// + /// Invoked when the selection color is drawn. + /// + public event EventHandler? DrawSelectionColor; + + /// + /// Invoked when the ready only color is drawn. + /// + public event EventHandler? DrawReadOnlyColor; + + /// + /// Invoked when the used color is drawn. The Used Color is used to indicate + /// if the was pressed and enabled. + /// + public event EventHandler? DrawUsedColor; + + void SetInitialProperties () + { + CanFocus = true; + Used = true; + + _model.LinesLoaded += Model_LinesLoaded!; + _historyText.ChangeText += HistoryText_ChangeText!; + + Initialized += TextView_Initialized!; + + LayoutComplete += TextView_LayoutComplete; + + // Things this view knows how to do + AddCommand (Command.PageDown, () => { + ProcessPageDown (); + return true; + }); + AddCommand (Command.PageDownExtend, () => { + ProcessPageDownExtend (); + return true; + }); + AddCommand (Command.PageUp, () => { + ProcessPageUp (); + return true; + }); + AddCommand (Command.PageUpExtend, () => { + ProcessPageUpExtend (); + return true; + }); + AddCommand (Command.LineDown, () => { + ProcessMoveDown (); + return true; + }); + AddCommand (Command.LineDownExtend, () => { + ProcessMoveDownExtend (); + return true; + }); + AddCommand (Command.LineUp, () => { + ProcessMoveUp (); + return true; + }); + AddCommand (Command.LineUpExtend, () => { + ProcessMoveUpExtend (); + return true; + }); + AddCommand (Command.Right, () => ProcessMoveRight ()); + AddCommand (Command.RightExtend, () => { + ProcessMoveRightExtend (); + return true; + }); + AddCommand (Command.Left, () => ProcessMoveLeft ()); + AddCommand (Command.LeftExtend, () => { + ProcessMoveLeftExtend (); + return true; + }); + AddCommand (Command.DeleteCharLeft, () => { + ProcessDeleteCharLeft (); + return true; + }); + AddCommand (Command.StartOfLine, () => { + ProcessMoveStartOfLine (); + return true; + }); + AddCommand (Command.StartOfLineExtend, () => { + ProcessMoveStartOfLineExtend (); + return true; + }); + AddCommand (Command.DeleteCharRight, () => { + ProcessDeleteCharRight (); + return true; + }); + AddCommand (Command.EndOfLine, () => { + ProcessMoveEndOfLine (); + return true; + }); + AddCommand (Command.EndOfLineExtend, () => { + ProcessMoveEndOfLineExtend (); + return true; + }); + AddCommand (Command.CutToEndLine, () => { + KillToEndOfLine (); + return true; + }); + AddCommand (Command.CutToStartLine, () => { + KillToStartOfLine (); + return true; + }); + AddCommand (Command.Paste, () => { + ProcessPaste (); + return true; + }); + AddCommand (Command.ToggleExtend, () => { + ToggleSelecting (); + return true; + }); + AddCommand (Command.Copy, () => { + ProcessCopy (); + return true; + }); + AddCommand (Command.Cut, () => { + ProcessCut (); + return true; + }); + AddCommand (Command.WordLeft, () => { + ProcessMoveWordBackward (); + return true; + }); + AddCommand (Command.WordLeftExtend, () => { + ProcessMoveWordBackwardExtend (); + return true; + }); + AddCommand (Command.WordRight, () => { + ProcessMoveWordForward (); + return true; + }); + AddCommand (Command.WordRightExtend, () => { + ProcessMoveWordForwardExtend (); + return true; + }); + AddCommand (Command.KillWordForwards, () => { + ProcessKillWordForward (); + return true; + }); + AddCommand (Command.KillWordBackwards, () => { + ProcessKillWordBackward (); + return true; + }); + AddCommand (Command.NewLine, () => ProcessReturn ()); + AddCommand (Command.BottomEnd, () => { + MoveBottomEnd (); + return true; + }); + AddCommand (Command.BottomEndExtend, () => { + MoveBottomEndExtend (); + return true; + }); + AddCommand (Command.TopHome, () => { + MoveTopHome (); + return true; + }); + AddCommand (Command.TopHomeExtend, () => { + MoveTopHomeExtend (); + return true; + }); + AddCommand (Command.SelectAll, () => { + ProcessSelectAll (); + return true; + }); + AddCommand (Command.ToggleOverwrite, () => { + ProcessSetOverwrite (); + return true; + }); + AddCommand (Command.EnableOverwrite, () => { + SetOverwrite (true); + return true; + }); + AddCommand (Command.DisableOverwrite, () => { + SetOverwrite (false); + return true; + }); + AddCommand (Command.Tab, () => ProcessTab ()); + AddCommand (Command.BackTab, () => ProcessBackTab ()); + AddCommand (Command.NextView, () => ProcessMoveNextView ()); + AddCommand (Command.PreviousView, () => ProcessMovePreviousView ()); + AddCommand (Command.Undo, () => { + Undo (); + return true; + }); + AddCommand (Command.Redo, () => { + Redo (); + return true; + }); + AddCommand (Command.DeleteAll, () => { + DeleteAll (); + return true; + }); + AddCommand (Command.ShowContextMenu, () => { + ContextMenu!.Position = new Point (CursorPosition.X - _leftColumn + 2, CursorPosition.Y - _topRow + 2); + ShowContextMenu (); + return true; + }); + + // Default keybindings for this view + KeyBindings.Add (KeyCode.PageDown, Command.PageDown); + KeyBindings.Add (KeyCode.V | KeyCode.CtrlMask, Command.PageDown); + + KeyBindings.Add (KeyCode.PageDown | KeyCode.ShiftMask, Command.PageDownExtend); + + KeyBindings.Add (KeyCode.PageUp, Command.PageUp); + KeyBindings.Add ('V' + KeyCode.AltMask, Command.PageUp); + + KeyBindings.Add (KeyCode.PageUp | KeyCode.ShiftMask, Command.PageUpExtend); + + KeyBindings.Add (KeyCode.N | KeyCode.CtrlMask, Command.LineDown); + KeyBindings.Add (KeyCode.CursorDown, Command.LineDown); + + KeyBindings.Add (KeyCode.CursorDown | KeyCode.ShiftMask, Command.LineDownExtend); + + KeyBindings.Add (KeyCode.P | KeyCode.CtrlMask, Command.LineUp); + KeyBindings.Add (KeyCode.CursorUp, Command.LineUp); + + KeyBindings.Add (KeyCode.CursorUp | KeyCode.ShiftMask, Command.LineUpExtend); + + KeyBindings.Add (KeyCode.F | KeyCode.CtrlMask, Command.Right); + KeyBindings.Add (KeyCode.CursorRight, Command.Right); + + KeyBindings.Add (KeyCode.CursorRight | KeyCode.ShiftMask, Command.RightExtend); + + KeyBindings.Add (KeyCode.B | KeyCode.CtrlMask, Command.Left); + KeyBindings.Add (KeyCode.CursorLeft, Command.Left); + + KeyBindings.Add (KeyCode.CursorLeft | KeyCode.ShiftMask, Command.LeftExtend); + + KeyBindings.Add (KeyCode.Backspace, Command.DeleteCharLeft); + + KeyBindings.Add (KeyCode.Home, Command.StartOfLine); + KeyBindings.Add (KeyCode.A | KeyCode.CtrlMask, Command.StartOfLine); + + KeyBindings.Add (KeyCode.Home | KeyCode.ShiftMask, Command.StartOfLineExtend); + + KeyBindings.Add (KeyCode.Delete, Command.DeleteCharRight); + KeyBindings.Add (KeyCode.D | KeyCode.CtrlMask, Command.DeleteCharRight); + + KeyBindings.Add (KeyCode.End, Command.EndOfLine); + KeyBindings.Add (KeyCode.E | KeyCode.CtrlMask, Command.EndOfLine); + + KeyBindings.Add (KeyCode.End | KeyCode.ShiftMask, Command.EndOfLineExtend); + + KeyBindings.Add (KeyCode.K | KeyCode.CtrlMask, Command.CutToEndLine); // kill-to-end + KeyBindings.Add (KeyCode.Delete | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.CutToEndLine); // kill-to-end + + KeyBindings.Add (KeyCode.K | KeyCode.AltMask, Command.CutToStartLine); // kill-to-start + KeyBindings.Add (KeyCode.Backspace | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.CutToStartLine); // kill-to-start + + KeyBindings.Add (KeyCode.Y | KeyCode.CtrlMask, Command.Paste); // Control-y, yank + KeyBindings.Add (KeyCode.Space | KeyCode.CtrlMask, Command.ToggleExtend); + + KeyBindings.Add ('C' + KeyCode.AltMask, Command.Copy); + KeyBindings.Add (KeyCode.C | KeyCode.CtrlMask, Command.Copy); + + KeyBindings.Add ('W' + KeyCode.AltMask, Command.Cut); + KeyBindings.Add (KeyCode.W | KeyCode.CtrlMask, Command.Cut); + KeyBindings.Add (KeyCode.X | KeyCode.CtrlMask, Command.Cut); + + KeyBindings.Add (KeyCode.CursorLeft | KeyCode.CtrlMask, Command.WordLeft); + KeyBindings.Add ('B' + KeyCode.AltMask, Command.WordLeft); + + KeyBindings.Add (KeyCode.CursorLeft | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.WordLeftExtend); + + KeyBindings.Add (KeyCode.CursorRight | KeyCode.CtrlMask, Command.WordRight); + KeyBindings.Add ('F' + KeyCode.AltMask, Command.WordRight); + + KeyBindings.Add (KeyCode.CursorRight | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.WordRightExtend); + KeyBindings.Add (KeyCode.Delete | KeyCode.CtrlMask, Command.KillWordForwards); // kill-word-forwards + KeyBindings.Add (KeyCode.Backspace | KeyCode.CtrlMask, Command.KillWordBackwards); // kill-word-backwards + + // BUGBUG: If AllowsReturn is false, Key.Enter should not be bound (so that Toplevel can cause Command.Accept). + KeyBindings.Add (KeyCode.Enter, Command.NewLine); + KeyBindings.Add (KeyCode.End | KeyCode.CtrlMask, Command.BottomEnd); + KeyBindings.Add (KeyCode.End | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.BottomEndExtend); + KeyBindings.Add (KeyCode.Home | KeyCode.CtrlMask, Command.TopHome); + KeyBindings.Add (KeyCode.Home | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.TopHomeExtend); + KeyBindings.Add (KeyCode.T | KeyCode.CtrlMask, Command.SelectAll); + KeyBindings.Add (KeyCode.Insert, Command.ToggleOverwrite); + KeyBindings.Add (KeyCode.Tab, Command.Tab); + KeyBindings.Add (KeyCode.Tab | KeyCode.ShiftMask, Command.BackTab); + + KeyBindings.Add (KeyCode.Tab | KeyCode.CtrlMask, Command.NextView); + KeyBindings.Add ((KeyCode)Application.AlternateForwardKey, Command.NextView); + + KeyBindings.Add (KeyCode.Tab | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.PreviousView); + KeyBindings.Add ((KeyCode)Application.AlternateBackwardKey, Command.PreviousView); + + KeyBindings.Add (KeyCode.Z | KeyCode.CtrlMask, Command.Undo); + KeyBindings.Add (KeyCode.R | KeyCode.CtrlMask, Command.Redo); + + KeyBindings.Add (KeyCode.G | KeyCode.CtrlMask, Command.DeleteAll); + KeyBindings.Add (KeyCode.D | KeyCode.CtrlMask | KeyCode.ShiftMask, Command.DeleteAll); + + _currentCulture = Thread.CurrentThread.CurrentUICulture; + + ContextMenu = new ContextMenu { MenuItems = BuildContextMenuBarItem () }; + ContextMenu.KeyChanged += ContextMenu_KeyChanged!; + + KeyBindings.Add ((KeyCode)ContextMenu.Key, KeyBindingScope.HotKey, Command.ShowContextMenu); + } + + void TextView_LayoutComplete (object? sender, LayoutEventArgs e) + { + WrapTextModel (); + Adjust (); + } + + MenuBarItem BuildContextMenuBarItem () => new (new MenuItem [] { + new (Strings.ctxSelectAll, "", () => SelectAll (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.SelectAll)), + new (Strings.ctxDeleteAll, "", () => DeleteAll (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.DeleteAll)), + new (Strings.ctxCopy, "", () => Copy (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.Copy)), + new (Strings.ctxCut, "", () => Cut (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.Cut)), + new (Strings.ctxPaste, "", () => Paste (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.Paste)), + new (Strings.ctxUndo, "", () => Undo (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.Undo)), + new (Strings.ctxRedo, "", () => Redo (), null, null, (KeyCode)KeyBindings.GetKeyFromCommands (Command.Redo)) + }); + + void ContextMenu_KeyChanged (object sender, KeyChangedEventArgs e) => KeyBindings.Replace ((KeyCode)e.OldKey, (KeyCode)e.NewKey); + + void Model_LinesLoaded (object sender, EventArgs e) + { + // This call is not needed. Model_LinesLoaded gets invoked when + // model.LoadString (value) is called. LoadString is called from one place + // (Text.set) and historyText.Clear() is called immediately after. + // If this call happens, HistoryText_ChangeText will get called multiple times + // when Text is set, which is wrong. + //historyText.Clear (Text); + + if (!_multiline && !IsInitialized) { + CurrentColumn = Text.GetRuneCount (); + _leftColumn = CurrentColumn > Frame.Width + 1 ? CurrentColumn - Frame.Width + 1 : 0; + } + } + + void HistoryText_ChangeText (object sender, HistoryText.HistoryTextItem obj) + { + SetWrapModel (); + + if (obj != null) { + var startLine = obj.CursorPosition.Y; + + if (obj.RemovedOnAdded != null) { + int offset; + if (obj.IsUndoing) { + offset = Math.Max (obj.RemovedOnAdded.Lines.Count - obj.Lines.Count, 1); + } else { + offset = obj.RemovedOnAdded.Lines.Count - 1; + } + for (var i = 0; i < offset; i++) { + if (Lines > obj.RemovedOnAdded.CursorPosition.Y) { + _model.RemoveLine (obj.RemovedOnAdded.CursorPosition.Y); + } else { + break; + } + } + } + + for (var i = 0; i < obj.Lines.Count; i++) { + if (i == 0) { + _model.ReplaceLine (startLine, obj.Lines [i]); + } else if (obj.IsUndoing && obj.LineStatus == HistoryText.LineStatus.Removed || !obj.IsUndoing && obj.LineStatus == HistoryText.LineStatus.Added) { + _model.AddLine (startLine, obj.Lines [i]); + } else if (Lines > obj.CursorPosition.Y + 1) { + _model.RemoveLine (obj.CursorPosition.Y + 1); + } + startLine++; + } + + CursorPosition = obj.FinalCursorPosition; + } + + UpdateWrapModel (); + + Adjust (); + OnContentsChanged (); + } + + void TextView_Initialized (object sender, EventArgs e) + { + Autocomplete.HostControl = this; + if (Application.Top != null) { + Application.Top.AlternateForwardKeyChanged += Top_AlternateForwardKeyChanged!; + Application.Top.AlternateBackwardKeyChanged += Top_AlternateBackwardKeyChanged!; + } + OnContentsChanged (); + } + + void Top_AlternateBackwardKeyChanged (object sender, KeyChangedEventArgs e) => KeyBindings.Replace ((KeyCode)e.OldKey, (KeyCode)e.NewKey); + + void Top_AlternateForwardKeyChanged (object sender, KeyChangedEventArgs e) => KeyBindings.Replace ((KeyCode)e.OldKey, (KeyCode)e.NewKey); + + void ResetPosition () + { + _topRow = _leftColumn = CurrentRow = CurrentColumn = 0; + StopSelecting (); + ResetCursorVisibility (); + } + + void WrapTextModel () + { + if (_wordWrap && _wrapManager != null) { + _model = _wrapManager.WrapModel (_frameWidth, + out var nRow, out var nCol, + out var nStartRow, out var nStartCol, + CurrentRow, CurrentColumn, + _selectionStartRow, _selectionStartColumn, + _tabWidth); + CurrentRow = nRow; + CurrentColumn = nCol; + _selectionStartRow = nStartRow; + _selectionStartColumn = nStartCol; + SetNeedsDisplay (); + } + } + + int GetSelectedLength () => SelectedText.Length; void SaveCursorVisibility () { @@ -2242,8 +2433,6 @@ public class TextView : View { res = _model.LoadFile (path); _historyText.Clear (Text); ResetPosition (); - } catch (Exception) { - throw; } finally { UpdateWrapModel (); SetNeedsDisplay (); @@ -2305,7 +2494,7 @@ public class TextView : View { public bool CloseFile () { SetWrapModel (); - bool res = _model.CloseFile (); + var res = _model.CloseFile (); ResetPosition (); SetNeedsDisplay (); UpdateWrapModel (); @@ -2313,18 +2502,7 @@ public class TextView : View { } /// - /// Gets the current cursor row. - /// - public int CurrentRow => _currentRow; - - /// - /// Gets the cursor column. - /// - /// The cursor column. - public int CurrentColumn => _currentColumn; - - /// - /// Positions the cursor on the current row and column + /// Positions the cursor on the current row and column /// public override void PositionCursor () { @@ -2334,36 +2512,35 @@ public class TextView : View { return; } - if (_selecting) { + if (Selecting) { // BUGBUG: customized rect aren't supported now because the Redraw isn't using the Intersect method. //var minRow = Math.Min (Math.Max (Math.Min (selectionStartRow, currentRow) - topRow, 0), Frame.Height); //var maxRow = Math.Min (Math.Max (Math.Max (selectionStartRow, currentRow) - topRow, 0), Frame.Height); //SetNeedsDisplay (new Rect (0, minRow, Frame.Width, maxRow)); SetNeedsDisplay (); } - var line = _model.GetLine (_currentRow); - int col = 0; + var line = _model.GetLine (CurrentRow); + var col = 0; if (line.Count > 0) { - for (int idx = _leftColumn; idx < line.Count; idx++) { - if (idx >= _currentColumn) { + for (var idx = _leftColumn; idx < line.Count; idx++) { + if (idx >= CurrentColumn) { break; } - int cols = line [idx].Rune.GetColumns (); + var cols = line [idx].Rune.GetColumns (); if (line [idx].Rune.Value == '\t') { cols += TabWidth + 1; } if (!TextModel.SetCol (ref col, Frame.Width, cols)) { - col = _currentColumn; + col = CurrentColumn; break; } } } - int posX = _currentColumn - _leftColumn; - int posY = _currentRow - _topRow; - if (posX > -1 && col >= posX && posX < Frame.Width - RightOffset - && _topRow <= _currentRow && posY < Frame.Height - BottomOffset) { + var posX = CurrentColumn - _leftColumn; + var posY = CurrentRow - _topRow; + if (posX > -1 && col >= posX && posX < Frame.Width - RightOffset && _topRow <= CurrentRow && posY < Frame.Height - BottomOffset) { ResetCursorVisibility (); - Move (col, _currentRow - _topRow); + Move (col, CurrentRow - _topRow); } else { SaveCursorVisibility (); } @@ -2371,9 +2548,9 @@ public class TextView : View { void ClearRegion (int left, int top, int right, int bottom) { - for (int row = top; row < bottom; row++) { + for (var row = top; row < bottom; row++) { Move (left, row); - for (int col = left; col < right; col++) { + for (var col = left; col < right; col++) { AddRune (col, row, (Rune)' '); } } @@ -2390,13 +2567,15 @@ public class TextView : View { } /// - /// Sets the driver to the default color for the control where no text is being rendered. Defaults to . + /// Sets the driver to the default color for the control where no text is being rendered. Defaults to + /// . /// protected virtual void SetNormalColor () => Driver.SetAttribute (GetNormalColor ()); /// /// Sets the to an appropriate color for rendering the given of the - /// current . Override to provide custom coloring by calling + /// current . Override to provide custom coloring by calling + /// /// Defaults to . /// /// The line. @@ -2418,12 +2597,14 @@ public class TextView : View { /// /// Sets the to an appropriate color for rendering the given of the - /// current . Override to provide custom coloring by calling + /// current . Override to provide custom coloring by calling + /// /// Defaults to . /// /// The line. /// The col index. - /// /// The row index. + /// /// + /// The row index. protected virtual void OnDrawSelectionColor (List line, int idxCol, int idxRow) { var unwrappedPos = GetUnwrappedPosition (idxRow, idxCol); @@ -2440,12 +2621,14 @@ public class TextView : View { /// /// Sets the to an appropriate color for rendering the given of the - /// current . Override to provide custom coloring by calling + /// current . Override to provide custom coloring by calling + /// /// Defaults to . /// /// The line. /// The col index. - /// /// The row index. + /// /// + /// The row index. protected virtual void OnDrawReadOnlyColor (List line, int idxCol, int idxRow) { var unwrappedPos = GetUnwrappedPosition (idxRow, idxCol); @@ -2464,12 +2647,14 @@ public class TextView : View { /// /// Sets the to an appropriate color for rendering the given of the - /// current . Override to provide custom coloring by calling + /// current . Override to provide custom coloring by calling + /// /// Defaults to . /// /// The line. /// The col index. - /// /// The row index. + /// /// + /// The row index. protected virtual void OnDrawUsedColor (List line, int idxCol, int idxRow) { var unwrappedPos = GetUnwrappedPosition (idxRow, idxCol); @@ -2489,44 +2674,6 @@ public class TextView : View { //if ((colorScheme!.HotNormal.Foreground & colorScheme.Focus.Background) == colorScheme.Focus.Foreground) { Driver.SetAttribute (new Attribute (colorScheme.Focus.Background, colorScheme.Focus.Foreground)); - //} else { - //Driver.SetAttribute (new Attribute (colorScheme!.HotNormal.Foreground & colorScheme.Focus.Background, colorScheme.Focus.Foreground)); - //} - bool _isReadOnly = false; - - /// - /// Gets or sets whether the is in read-only mode or not - /// - /// Boolean value(Default false) - public bool ReadOnly { - get => _isReadOnly; - set { - if (value != _isReadOnly) { - _isReadOnly = value; - - SetNeedsDisplay (); - Adjust (); - } - } - } - - CursorVisibility _desiredCursorVisibility = CursorVisibility.Default; - - /// - /// Get / Set the wished cursor when the field is focused - /// - public CursorVisibility DesiredCursorVisibility { - get => _desiredCursorVisibility; - set { - if (HasFocus) { - Application.Driver.SetCursorVisibility (value); - } - - _desiredCursorVisibility = value; - SetNeedsDisplay (); - } - } - /// public override bool OnEnter (View view) { @@ -2547,14 +2694,18 @@ public class TextView : View { } // Returns an encoded region start..end (top 32 bits are the row, low32 the column) - void GetEncodedRegionBounds (out long start, out long end, - int? startRow = null, int? startCol = null, int? cRow = null, int? cCol = null) + void GetEncodedRegionBounds (out long start, + out long end, + int? startRow = null, + int? startCol = null, + int? cRow = null, + int? cCol = null) { long selection; long point; if (startRow == null || startCol == null || cRow == null || cCol == null) { selection = (long)(uint)_selectionStartRow << 32 | (uint)_selectionStartColumn; - point = (long)(uint)_currentRow << 32 | (uint)_currentColumn; + point = (long)(uint)CurrentRow << 32 | (uint)CurrentColumn; } else { selection = (long)(uint)startRow << 32 | (uint)startCol; point = (long)(uint)cRow << 32 | (uint)cCol; @@ -2572,7 +2723,7 @@ public class TextView : View { { long start, end; GetEncodedRegionBounds (out start, out end); - long q = (long)(uint)row << 32 | (uint)col; + var q = (long)(uint)row << 32 | (uint)col; return q >= start && q <= end - 1; } @@ -2587,21 +2738,23 @@ public class TextView : View { if (start == end) { return string.Empty; } - int startRow = (int)(start >> 32); - int maxrow = (int)(end >> 32); - int startCol = (int)(start & 0xffffffff); - int endCol = (int)(end & 0xffffffff); + var startRow = (int)(start >> 32); + var maxrow = (int)(end >> 32); + var startCol = (int)(start & 0xffffffff); + var endCol = (int)(end & 0xffffffff); var line = model == null ? _model.GetLine (startRow) : model.GetLine (startRow); if (startRow == maxrow) { return StringFromRunes (line.GetRange (startCol, endCol - startCol)); } - string res = StringFromRunes (line.GetRange (startCol, line.Count - startCol)); + var res = StringFromRunes (line.GetRange (startCol, line.Count - startCol)); - for (int row = startRow + 1; row < maxrow; row++) { - res = res + Environment.NewLine + StringFromRunes (model == null - ? _model.GetLine (row) : model.GetLine (row)); + for (var row = startRow + 1; row < maxrow; row++) { + res = res + + Environment.NewLine + + StringFromRunes (model == null + ? _model.GetLine (row) : model.GetLine (row)); } line = model == null ? _model.GetLine (maxrow) : model.GetLine (maxrow); res = res + Environment.NewLine + StringFromRunes (line.GetRange (0, endCol)); @@ -2616,15 +2769,15 @@ public class TextView : View { SetWrapModel (); long start, end; - long currentEncoded = (long)(uint)_currentRow << 32 | (uint)_currentColumn; + var currentEncoded = (long)(uint)CurrentRow << 32 | (uint)CurrentColumn; GetEncodedRegionBounds (out start, out end); - int startRow = (int)(start >> 32); - int maxrow = (int)(end >> 32); - int startCol = (int)(start & 0xffffffff); - int endCol = (int)(end & 0xffffffff); + var startRow = (int)(start >> 32); + var maxrow = (int)(end >> 32); + var startCol = (int)(start & 0xffffffff); + var endCol = (int)(end & 0xffffffff); var line = _model.GetLine (startRow); - _historyText.Add (new List> () { new (line) }, new Point (startCol, startRow)); + _historyText.Add (new List> { new (line) }, new Point (startCol, startRow)); var removedLines = new List> (); @@ -2632,7 +2785,7 @@ public class TextView : View { removedLines.Add (new List (line)); line.RemoveRange (startCol, endCol - startCol); - _currentColumn = startCol; + CurrentColumn = startCol; if (_wordWrap) { SetNeedsDisplay (); } else { @@ -2653,16 +2806,16 @@ public class TextView : View { line.RemoveRange (startCol, line.Count - startCol); var line2 = _model.GetLine (maxrow); line.AddRange (line2.Skip (endCol)); - for (int row = startRow + 1; row <= maxrow; row++) { + for (var row = startRow + 1; row <= maxrow; row++) { removedLines.Add (new List (_model.GetLine (startRow + 1))); _model.RemoveLine (startRow + 1); } if (currentEncoded == end) { - _currentRow -= maxrow - startRow; + CurrentRow -= maxrow - startRow; } - _currentColumn = startCol; + CurrentColumn = startCol; _historyText.Add (new List> (removedLines), CursorPosition, HistoryText.LineStatus.Removed); @@ -2684,8 +2837,8 @@ public class TextView : View { StartSelecting (); _selectionStartColumn = 0; _selectionStartRow = 0; - _currentColumn = _model.GetLine (_model.Count - 1).Count; - _currentRow = _model.Count - 1; + CurrentColumn = _model.GetLine (_model.Count - 1).Count; + CurrentRow = _model.Count - 1; SetNeedsDisplay (); } @@ -2699,8 +2852,12 @@ public class TextView : View { /// The text to replace. /// trueIf is replacing.falseotherwise. /// trueIf the text was found.falseotherwise. - public bool FindNextText (string textToFind, out bool gaveFullTurn, bool matchCase = false, - bool matchWholeWord = false, string? textToReplace = null, bool replace = false) + public bool FindNextText (string textToFind, + out bool gaveFullTurn, + bool matchCase = false, + bool matchWholeWord = false, + string? textToReplace = null, + bool replace = false) { if (_model.Count == 0) { gaveFullTurn = false; @@ -2724,8 +2881,12 @@ public class TextView : View { /// The text to replace. /// trueIf the text was found.falseotherwise. /// trueIf the text was found.falseotherwise. - public bool FindPreviousText (string textToFind, out bool gaveFullTurn, bool matchCase = false, - bool matchWholeWord = false, string? textToReplace = null, bool replace = false) + public bool FindPreviousText (string textToFind, + out bool gaveFullTurn, + bool matchCase = false, + bool matchWholeWord = false, + string? textToReplace = null, + bool replace = false) { if (_model.Count == 0) { gaveFullTurn = false; @@ -2752,8 +2913,10 @@ public class TextView : View { /// The match whole word setting. /// The text to replace. /// trueIf the text was found.falseotherwise. - public bool ReplaceAllText (string textToFind, bool matchCase = false, bool matchWholeWord = false, - string? textToReplace = null) + public bool ReplaceAllText (string textToFind, + bool matchCase = false, + bool matchWholeWord = false, + string? textToReplace = null) { if (_isReadOnly || _model.Count == 0) { return false; @@ -2766,25 +2929,28 @@ public class TextView : View { return SetFoundText (textToFind, foundPos, textToReplace, false, true); } - bool SetFoundText (string text, (Point current, bool found) foundPos, - string? textToReplace = null, bool replace = false, bool replaceAll = false) + bool SetFoundText (string text, + (Point current, bool found) foundPos, + string? textToReplace = null, + bool replace = false, + bool replaceAll = false) { if (foundPos.found) { StartSelecting (); _selectionStartColumn = foundPos.current.X; _selectionStartRow = foundPos.current.Y; if (!replaceAll) { - _currentColumn = _selectionStartColumn + text.GetRuneCount (); + CurrentColumn = _selectionStartColumn + text.GetRuneCount (); } else { - _currentColumn = _selectionStartColumn + textToReplace!.GetRuneCount (); + CurrentColumn = _selectionStartColumn + textToReplace!.GetRuneCount (); } - _currentRow = foundPos.current.Y; + CurrentRow = foundPos.current.Y; if (!_isReadOnly && replace) { Adjust (); ClearSelectedRegion (); InsertAllText (textToReplace!); StartSelecting (); - _selectionStartColumn = _currentColumn - textToReplace!.GetRuneCount (); + _selectionStartColumn = CurrentColumn - textToReplace!.GetRuneCount (); } else { UpdateWrapModel (); SetNeedsDisplay (); @@ -2802,14 +2968,12 @@ public class TextView : View { void ResetContinuousFind () { if (!_continuousFind) { - int col = _selecting ? _selectionStartColumn : _currentColumn; - int row = _selecting ? _selectionStartRow : _currentRow; + var col = Selecting ? _selectionStartColumn : CurrentColumn; + var row = Selecting ? _selectionStartRow : CurrentRow; _model.ResetContinuousFind (new Point (col, row)); } } - string? _currentCaller; - /// /// Restore from original model. /// @@ -2822,8 +2986,8 @@ public class TextView : View { if (_wordWrap) { _currentCaller = caller; - _currentColumn = _wrapManager!.GetModelColFromWrappedLines (_currentRow, _currentColumn); - _currentRow = _wrapManager.GetModelLineFromWrappedLines (_currentRow); + CurrentColumn = _wrapManager!.GetModelColFromWrappedLines (CurrentRow, CurrentColumn); + CurrentRow = _wrapManager.GetModelLineFromWrappedLines (CurrentRow); _selectionStartColumn = _wrapManager.GetModelColFromWrappedLines (_selectionStartRow, _selectionStartColumn); _selectionStartRow = _wrapManager.GetModelLineFromWrappedLines (_selectionStartRow); _model = _wrapManager.Model; @@ -2842,12 +3006,12 @@ public class TextView : View { if (_wordWrap) { _currentCaller = null; - _wrapManager!.UpdateModel (_model, out int nRow, out int nCol, - out int nStartRow, out int nStartCol, - _currentRow, _currentColumn, + _wrapManager!.UpdateModel (_model, out var nRow, out var nCol, + out var nStartRow, out var nStartCol, + CurrentRow, CurrentColumn, _selectionStartRow, _selectionStartColumn, true); - _currentRow = nRow; - _currentColumn = nCol; + CurrentRow = nRow; + CurrentColumn = nCol; _selectionStartRow = nStartRow; _selectionStartColumn = nStartCol; _wrapNeeded = true; @@ -2864,25 +3028,25 @@ public class TextView : View { /// public virtual void OnUnwrappedCursorPosition (int? cRow = null, int? cCol = null) { - int? row = cRow == null ? _currentRow : cRow; - int? col = cCol == null ? _currentColumn : cCol; + var row = cRow == null ? CurrentRow : cRow; + var col = cCol == null ? CurrentColumn : cCol; if (cRow == null && cCol == null && _wordWrap) { - row = _wrapManager!.GetModelLineFromWrappedLines (_currentRow); - col = _wrapManager.GetModelColFromWrappedLines (_currentRow, _currentColumn); + row = _wrapManager!.GetModelLineFromWrappedLines (CurrentRow); + col = _wrapManager.GetModelColFromWrappedLines (CurrentRow, CurrentColumn); } UnwrappedCursorPosition?.Invoke (this, new PointEventArgs (new Point ((int)col, (int)row))); } string GetSelectedRegion () { - int cRow = _currentRow; - int cCol = _currentColumn; - int startRow = _selectionStartRow; - int startCol = _selectionStartColumn; + var cRow = CurrentRow; + var cCol = CurrentColumn; + var startRow = _selectionStartRow; + var startCol = _selectionStartColumn; var model = _model; if (_wordWrap) { - cRow = _wrapManager!.GetModelLineFromWrappedLines (_currentRow); - cCol = _wrapManager.GetModelColFromWrappedLines (_currentRow, _currentColumn); + cRow = _wrapManager!.GetModelLineFromWrappedLines (CurrentRow); + cCol = _wrapManager.GetModelColFromWrappedLines (CurrentRow, CurrentColumn); startRow = _wrapManager.GetModelLineFromWrappedLines (_selectionStartRow); startCol = _wrapManager.GetModelColFromWrappedLines (_selectionStartRow, _selectionStartColumn); model = _wrapManager.Model; @@ -2891,8 +3055,6 @@ public class TextView : View { return GetRegion (startRow, startCol, cRow, cCol, model); } - bool _isDrawing = false; - /// public override void OnDrawContent (Rect contentArea) { @@ -2901,22 +3063,21 @@ public class TextView : View { SetNormalColor (); var offB = OffSetBackground (); - int right = Frame.Width + offB.width + RightOffset; - int bottom = Frame.Height + offB.height + BottomOffset; - int row = 0; - for (int idxRow = _topRow; idxRow < _model.Count; idxRow++) { + var right = Frame.Width + offB.width + RightOffset; + var bottom = Frame.Height + offB.height + BottomOffset; + var row = 0; + for (var idxRow = _topRow; idxRow < _model.Count; idxRow++) { var line = _model.GetLine (idxRow); - int lineRuneCount = line.Count; - int col = 0; + var lineRuneCount = line.Count; + var col = 0; Move (0, row); - for (int idxCol = _leftColumn; idxCol < lineRuneCount; idxCol++) { + for (var idxCol = _leftColumn; idxCol < lineRuneCount; idxCol++) { var rune = idxCol >= lineRuneCount ? (Rune)' ' : line [idxCol].Rune; - int cols = rune.GetColumns (); - if (idxCol < line.Count && _selecting && PointInSelection (idxCol, idxRow)) { + var cols = rune.GetColumns (); + if (idxCol < line.Count && Selecting && PointInSelection (idxCol, idxRow)) { OnDrawSelectionColor (line, idxCol, idxRow); - } else if (idxCol == _currentColumn && idxRow == _currentRow && !_selecting && !Used - && HasFocus && idxCol < lineRuneCount) { + } else if (idxCol == CurrentColumn && idxRow == CurrentRow && !Selecting && !Used && HasFocus && idxCol < lineRuneCount) { OnDrawUsedColor (line, idxCol, idxRow); } else if (ReadOnly) { OnDrawReadOnlyColor (line, idxCol, idxRow); @@ -2929,7 +3090,7 @@ public class TextView : View { if (col + cols > right) { cols = right - col; } - for (int i = 0; i < cols; i++) { + for (var i = 0; i < cols; i++) { if (col + i < right) { AddRune (col + i, row, (Rune)' '); } @@ -2995,7 +3156,7 @@ public class TextView : View { void GenerateSuggestions () { - var currentLine = this.GetCurrentLine (); + var currentLine = GetCurrentLine (); var cursorPosition = Math.Min (CurrentColumn, currentLine.Count); Autocomplete.Context = new AutocompleteContext (currentLine, cursorPosition, Autocomplete.Context != null ? Autocomplete.Context.Canceled : false); @@ -3003,12 +3164,6 @@ public class TextView : View { Autocomplete.Context); } - /// - public override bool CanFocus { - get => base.CanFocus; - set => base.CanFocus = value; - } - void SetClipboard (string text) { if (text != null) { @@ -3025,7 +3180,7 @@ public class TextView : View { /// Text to add public void InsertText (string toAdd) { - foreach (char ch in toAdd) { + foreach (var ch in toAdd) { KeyCode key; try { key = (KeyCode)ch; @@ -3044,214 +3199,209 @@ public class TextView : View { } void Insert (RuneCell cell) - { - var line = GetCurrentLine (); - if (Used) { - line.Insert (Math.Min (_currentColumn, line.Count), cell); - } else { - if (_currentColumn < line.Count) { - line.RemoveAt (_currentColumn); - } - line.Insert (Math.Min (_currentColumn, line.Count), cell); - } - int prow = _currentRow - _topRow; - if (!_wrapNeeded) { - // BUGBUG: customized rect aren't supported now because the Redraw isn't using the Intersect method. - //SetNeedsDisplay (new Rect (0, prow, Math.Max (Frame.Width, 0), Math.Max (prow + 1, 0))); - SetNeedsDisplay (); + { + var line = GetCurrentLine (); + if (Used) { + line.Insert (Math.Min (CurrentColumn, line.Count), cell); + } else { + if (CurrentColumn < line.Count) { + line.RemoveAt (CurrentColumn); } + line.Insert (Math.Min (CurrentColumn, line.Count), cell); + } + var prow = CurrentRow - _topRow; + if (!_wrapNeeded) { + // BUGBUG: customized rect aren't supported now because the Redraw isn't using the Intersect method. + //SetNeedsDisplay (new Rect (0, prow, Math.Max (Frame.Width, 0), Math.Max (prow + 1, 0))); + SetNeedsDisplay (); + } + } + + string StringFromRunes (List cells) + { + if (cells == null) { + throw new ArgumentNullException (nameof (cells)); + } + var size = 0; + foreach (var cell in cells) { + size += cell.Rune.GetEncodingLength (); + } + var encoded = new byte [size]; + var offset = 0; + foreach (var cell in cells) { + offset += cell.Rune.Encode (encoded, offset); + } + return StringExtensions.ToString (encoded); + } + + /// + /// Returns the characters on the current line (where the cursor is positioned). + /// Use to determine the position of the cursor within + /// that line + /// + /// + public List GetCurrentLine () => _model.GetLine (CurrentRow); + + /// + /// Returns the characters on the . + /// + /// The intended line. + /// + public List GetLine (int line) => _model.GetLine (line); + + /// + /// Gets all lines of characters. + /// + /// + public List> GetAllLines () => _model.GetAllLines (); + + void InsertAllText (string text) + { + if (string.IsNullOrEmpty (text)) { + return; } - string StringFromRunes (List cells) - { - if (cells == null) { - throw new ArgumentNullException (nameof (cells)); - } - int size = 0; - foreach (var cell in cells) { - size += cell.Rune.GetEncodingLength (); - } - byte [] encoded = new byte [size]; - int offset = 0; - foreach (var cell in cells) { - offset += cell.Rune.Encode (encoded, offset); - } - return StringExtensions.ToString (encoded); + var lines = TextModel.StringToLinesOfRuneCells (text); + + if (lines.Count == 0) { + return; } - /// - /// Returns the characters on the current line (where the cursor is positioned). - /// Use to determine the position of the cursor within - /// that line - /// - /// - public List GetCurrentLine () => _model.GetLine (_currentRow); + SetWrapModel (); - /// - /// Returns the characters on the . - /// - /// The intended line. - /// - public List GetLine (int line) => _model.GetLine (line); + var line = GetCurrentLine (); - /// - /// Gets all lines of characters. - /// - /// - public List> GetAllLines () => _model.GetAllLines (); + _historyText.Add (new List> { new (line) }, CursorPosition); - void InsertAllText (string text) - { - if (string.IsNullOrEmpty (text)) { - return; - } + // Optimize single line + if (lines.Count == 1) { + line.InsertRange (CurrentColumn, lines [0]); + CurrentColumn += lines [0].Count; - var lines = TextModel.StringToLinesOfRuneCells (text); - - if (lines.Count == 0) { - return; - } - - SetWrapModel (); - - var line = GetCurrentLine (); - - _historyText.Add (new List> () { new (line) }, CursorPosition); - - // Optimize single line - if (lines.Count == 1) { - line.InsertRange (_currentColumn, lines [0]); - _currentColumn += lines [0].Count; - - _historyText.Add (new List> () { new (line) }, CursorPosition, - HistoryText.LineStatus.Replaced); - - if (!_wordWrap && _currentColumn - _leftColumn > Frame.Width) { - _leftColumn = Math.Max (_currentColumn - Frame.Width + 1, 0); - } - if (_wordWrap) { - SetNeedsDisplay (); - } else { - // BUGBUG: customized rect aren't supported now because the Redraw isn't using the Intersect method. - //SetNeedsDisplay (new Rect (0, currentRow - topRow, Frame.Width, Math.Max (currentRow - topRow + 1, 0))); - SetNeedsDisplay (); - } - - UpdateWrapModel (); - - OnContentsChanged (); - - return; - } - - List? rest = null; - int lastp = 0; - - if (_model.Count > 0 && line.Count > 0 && !_copyWithoutSelection) { - // Keep a copy of the rest of the line - int restCount = line.Count - _currentColumn; - rest = line.GetRange (_currentColumn, restCount); - line.RemoveRange (_currentColumn, restCount); - } - - // First line is inserted at the current location, the rest is appended - line.InsertRange (_currentColumn, lines [0]); - //model.AddLine (currentRow, lines [0]); - - var addedLines = new List> () { new (line) }; - - for (int i = 1; i < lines.Count; i++) { - _model.AddLine (_currentRow + i, lines [i]); - - addedLines.Add (new List (lines [i])); - } - - if (rest != null) { - var last = _model.GetLine (_currentRow + lines.Count - 1); - lastp = last.Count; - last.InsertRange (last.Count, rest); - - addedLines.Last ().InsertRange (addedLines.Last ().Count, rest); - } - - _historyText.Add (addedLines, CursorPosition, HistoryText.LineStatus.Added); - - // Now adjust column and row positions - _currentRow += lines.Count - 1; - _currentColumn = rest != null ? lastp : lines [lines.Count - 1].Count; - Adjust (); - - _historyText.Add (new List> () { new (line) }, CursorPosition, + _historyText.Add (new List> { new (line) }, CursorPosition, HistoryText.LineStatus.Replaced); - UpdateWrapModel (); - OnContentsChanged (); - } - - // The column we are tracking, or -1 if we are not tracking any column - int _columnTrack = -1; - - // Tries to snap the cursor to the tracking column - void TrackColumn () - { - // Now track the column - var line = GetCurrentLine (); - if (line.Count < _columnTrack) { - _currentColumn = line.Count; - } else if (_columnTrack != -1) { - _currentColumn = _columnTrack; - } else if (_currentColumn > line.Count) { - _currentColumn = line.Count; + if (!_wordWrap && CurrentColumn - _leftColumn > Frame.Width) { + _leftColumn = Math.Max (CurrentColumn - Frame.Width + 1, 0); } - Adjust (); - } - - void Adjust () - { - var offB = OffSetBackground (); - var line = GetCurrentLine (); - bool need = NeedsDisplay || _wrapNeeded || !Used; - var tSize = TextModel.DisplaySize (line, -1, -1, false, TabWidth); - var dSize = TextModel.DisplaySize (line, _leftColumn, _currentColumn, true, TabWidth); - if (!_wordWrap && _currentColumn < _leftColumn) { - _leftColumn = _currentColumn; - need = true; - } else if (!_wordWrap && (_currentColumn - _leftColumn + RightOffset > Frame.Width + offB.width - || dSize.size + RightOffset >= Frame.Width + offB.width)) { - _leftColumn = TextModel.CalculateLeftColumn (line, _leftColumn, _currentColumn, - Frame.Width + offB.width - RightOffset, TabWidth); - need = true; - } else if (_wordWrap && _leftColumn > 0 || dSize.size + RightOffset < Frame.Width + offB.width - && tSize.size + RightOffset < Frame.Width + offB.width) { - if (_leftColumn > 0) { - _leftColumn = 0; - need = true; - } - } - - if (_currentRow < _topRow) { - _topRow = _currentRow; - need = true; - } else if (_currentRow - _topRow + BottomOffset >= Frame.Height + offB.height) { - _topRow = Math.Min (Math.Max (_currentRow - Frame.Height + 1 + BottomOffset, 0), _currentRow); - need = true; - } else if (_topRow > 0 && _currentRow < _topRow) { - _topRow = Math.Max (_topRow - 1, 0); - need = true; - } - if (need) { - if (_wrapNeeded) { - WrapTextModel (); - _wrapNeeded = false; - } + if (_wordWrap) { SetNeedsDisplay (); } else { - PositionCursor (); + // BUGBUG: customized rect aren't supported now because the Redraw isn't using the Intersect method. + //SetNeedsDisplay (new Rect (0, currentRow - topRow, Frame.Width, Math.Max (currentRow - topRow + 1, 0))); + SetNeedsDisplay (); } - OnUnwrappedCursorPosition (); + UpdateWrapModel (); + + OnContentsChanged (); + + return; } + List? rest = null; + var lastp = 0; + + if (_model.Count > 0 && line.Count > 0 && !_copyWithoutSelection) { + // Keep a copy of the rest of the line + var restCount = line.Count - CurrentColumn; + rest = line.GetRange (CurrentColumn, restCount); + line.RemoveRange (CurrentColumn, restCount); + } + + // First line is inserted at the current location, the rest is appended + line.InsertRange (CurrentColumn, lines [0]); + //model.AddLine (currentRow, lines [0]); + + var addedLines = new List> { new (line) }; + + for (var i = 1; i < lines.Count; i++) { + _model.AddLine (CurrentRow + i, lines [i]); + + addedLines.Add (new List (lines [i])); + } + + if (rest != null) { + var last = _model.GetLine (CurrentRow + lines.Count - 1); + lastp = last.Count; + last.InsertRange (last.Count, rest); + + addedLines.Last ().InsertRange (addedLines.Last ().Count, rest); + } + + _historyText.Add (addedLines, CursorPosition, HistoryText.LineStatus.Added); + + // Now adjust column and row positions + CurrentRow += lines.Count - 1; + CurrentColumn = rest != null ? lastp : lines [lines.Count - 1].Count; + Adjust (); + + _historyText.Add (new List> { new (line) }, CursorPosition, + HistoryText.LineStatus.Replaced); + + UpdateWrapModel (); + OnContentsChanged (); + } + + // Tries to snap the cursor to the tracking column + void TrackColumn () + { + // Now track the column + var line = GetCurrentLine (); + if (line.Count < _columnTrack) { + CurrentColumn = line.Count; + } else if (_columnTrack != -1) { + CurrentColumn = _columnTrack; + } else if (CurrentColumn > line.Count) { + CurrentColumn = line.Count; + } + Adjust (); + } + + void Adjust () + { + var offB = OffSetBackground (); + var line = GetCurrentLine (); + var need = NeedsDisplay || _wrapNeeded || !Used; + var tSize = TextModel.DisplaySize (line, -1, -1, false, TabWidth); + var dSize = TextModel.DisplaySize (line, _leftColumn, CurrentColumn, true, TabWidth); + if (!_wordWrap && CurrentColumn < _leftColumn) { + _leftColumn = CurrentColumn; + need = true; + } else if (!_wordWrap && (CurrentColumn - _leftColumn + RightOffset > Frame.Width + offB.width || dSize.size + RightOffset >= Frame.Width + offB.width)) { + _leftColumn = TextModel.CalculateLeftColumn (line, _leftColumn, CurrentColumn, + Frame.Width + offB.width - RightOffset, TabWidth); + need = true; + } else if (_wordWrap && _leftColumn > 0 || dSize.size + RightOffset < Frame.Width + offB.width && tSize.size + RightOffset < Frame.Width + offB.width) { + if (_leftColumn > 0) { + _leftColumn = 0; + need = true; + } + } + + if (CurrentRow < _topRow) { + _topRow = CurrentRow; + need = true; + } else if (CurrentRow - _topRow + BottomOffset >= Frame.Height + offB.height) { + _topRow = Math.Min (Math.Max (CurrentRow - Frame.Height + 1 + BottomOffset, 0), CurrentRow); + need = true; + } else if (_topRow > 0 && CurrentRow < _topRow) { + _topRow = Math.Max (_topRow - 1, 0); + need = true; + } + if (need) { + if (_wrapNeeded) { + WrapTextModel (); + _wrapNeeded = false; + } + SetNeedsDisplay (); + } else { + PositionCursor (); + } + + OnUnwrappedCursorPosition (); + } + /// /// Called when the contents of the TextView change. E.g. when the user types text or deletes text. Raises /// the event. @@ -3283,14 +3433,14 @@ public class TextView : View { line = GetLine (row); lineToSet = line; } - int colWithColor = Math.Max (Math.Min (col - 2, line.Count - 1), 0); + var colWithColor = Math.Max (Math.Min (col - 2, line.Count - 1), 0); var cell = line [colWithColor]; - int colWithoutColor = Math.Max (col - 1, 0); + var colWithoutColor = Math.Max (col - 1, 0); if (cell.ColorScheme != null && colWithColor == 0 && lineToSet [colWithoutColor].ColorScheme != null) { - for (int r = row - 1; r > -1; r--) { + for (var r = row - 1; r > -1; r--) { var l = GetLine (r); - for (int c = l.Count - 1; c > -1; c--) { + for (var c = l.Count - 1; c > -1; c--) { if (l [c].ColorScheme == null) { l [c].ColorScheme = cell.ColorScheme; } else { @@ -3299,8 +3449,9 @@ public class TextView : View { } } return; - } else if (cell.ColorScheme == null) { - for (int r = row; r > -1; r--) { + } + if (cell.ColorScheme == null) { + for (var r = row; r > -1; r--) { var l = GetLine (r); colWithColor = l.FindLastIndex (colWithColor > -1 ? colWithColor : l.Count - 1, rc => rc.ColorScheme != null); if (colWithColor > -1 && l [colWithColor].ColorScheme != null) { @@ -3309,7 +3460,7 @@ public class TextView : View { } } } else { - int cRow = row; + var cRow = row; while (cell.ColorScheme == null) { if ((colWithColor == 0 || cell.ColorScheme == null) && cRow > 0) { line = GetLine (--cRow); @@ -3334,8 +3485,8 @@ public class TextView : View { (int width, int height) OffSetBackground () { - int w = 0; - int h = 0; + var w = 0; + var h = 0; if (SuperView?.Frame.Right - Frame.Right < 0) { w = SuperView!.Frame.Right - Frame.Right - 1; } @@ -3347,10 +3498,13 @@ public class TextView : View { /// /// Will scroll the to display the specified row at the top if is true or - /// will scroll the to display the specified column at the left if is false. + /// will scroll the to display the specified column at the left if is + /// false. /// - /// Row that should be displayed at the top or Column that should be displayed at the left, - /// if the value is negative it will be reset to zero + /// + /// Row that should be displayed at the top or Column that should be displayed at the left, + /// if the value is negative it will be reset to zero + /// /// If true (default) the is a row, column otherwise. public void ScrollTo (int idx, bool isRow = true) { @@ -3360,16 +3514,12 @@ public class TextView : View { if (isRow) { _topRow = Math.Max (idx > _model.Count - 1 ? _model.Count - 1 : idx, 0); } else if (!_wordWrap) { - int maxlength = _model.GetMaxVisibleLine (_topRow, _topRow + Frame.Height + RightOffset, TabWidth); + var maxlength = _model.GetMaxVisibleLine (_topRow, _topRow + Frame.Height + RightOffset, TabWidth); _leftColumn = Math.Max (!_wordWrap && idx > maxlength - 1 ? maxlength - 1 : idx, 0); } SetNeedsDisplay (); } - bool _lastWasKill; - bool _wrapNeeded; - bool _shiftSelecting; - /// public override bool? OnInvokingKeyBindings (Key a) { @@ -3463,7 +3613,7 @@ public class TextView : View { void MoveTopHome () { ResetAllTrack (); - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { StopSelecting (); } MoveHome (); @@ -3479,7 +3629,7 @@ public class TextView : View { void MoveBottomEnd () { ResetAllTrack (); - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { StopSelecting (); } MoveEnd (); @@ -3507,7 +3657,7 @@ public class TextView : View { void ProcessMoveWordForward () { ResetAllTrack (); - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { StopSelecting (); } MoveWordForward (); @@ -3523,7 +3673,7 @@ public class TextView : View { void ProcessMoveWordBackward () { ResetAllTrack (); - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { StopSelecting (); } MoveWordBackward (); @@ -3544,9 +3694,9 @@ public class TextView : View { void ToggleSelecting () { ResetColumnTrack (); - _selecting = !_selecting; - _selectionStartColumn = _currentColumn; - _selectionStartRow = _currentRow; + Selecting = !Selecting; + _selectionStartColumn = CurrentColumn; + _selectionStartRow = CurrentRow; } void ProcessPaste () @@ -3568,7 +3718,7 @@ public class TextView : View { void ProcessMoveEndOfLine () { ResetAllTrack (); - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { StopSelecting (); } MoveEndOfLine (); @@ -3590,7 +3740,7 @@ public class TextView : View { void ProcessMoveStartOfLine () { ResetAllTrack (); - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { StopSelecting (); } MoveStartOfLine (); @@ -3612,13 +3762,13 @@ public class TextView : View { bool ProcessMoveLeft () { // if the user presses Left (without any control keys) and they are at the start of the text - if (_currentColumn == 0 && _currentRow == 0) { + if (CurrentColumn == 0 && CurrentRow == 0) { // do not respond (this lets the key press fall through to navigation system - which usually changes focus backward) return false; } ResetAllTrack (); - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { StopSelecting (); } MoveLeft (); @@ -3636,16 +3786,16 @@ public class TextView : View { { // if the user presses Right (without any control keys) // determine where the last cursor position in the text is - int lastRow = _model.Count - 1; - int lastCol = _model.GetLine (lastRow).Count; + var lastRow = _model.Count - 1; + var lastCol = _model.GetLine (lastRow).Count; // if they are at the very end of all the text do not respond (this lets the key press fall through to navigation system - which usually changes focus forward) - if (_currentColumn == lastCol && _currentRow == lastRow) { + if (CurrentColumn == lastCol && CurrentRow == lastRow) { return false; } ResetAllTrack (); - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { StopSelecting (); } MoveRight (); @@ -3662,7 +3812,7 @@ public class TextView : View { void ProcessMoveUp () { ResetContinuousFindTrack (); - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { StopSelecting (); } MoveUp (); @@ -3678,7 +3828,7 @@ public class TextView : View { void ProcessMoveDown () { ResetContinuousFindTrack (); - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { StopSelecting (); } MoveDown (); @@ -3694,7 +3844,7 @@ public class TextView : View { void ProcessPageUp () { ResetColumnTrack (); - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { StopSelecting (); } MovePageUp (); @@ -3710,7 +3860,7 @@ public class TextView : View { void ProcessPageDown () { ResetColumnTrack (); - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { StopSelecting (); } MovePageDown (); @@ -3741,18 +3891,18 @@ public class TextView : View { if (!AllowsTab || _isReadOnly) { return ProcessMovePreviousView (); } - if (_currentColumn > 0) { + if (CurrentColumn > 0) { SetWrapModel (); var currentLine = GetCurrentLine (); - if (currentLine.Count > 0 && currentLine [_currentColumn - 1].Rune.Value == '\t') { + if (currentLine.Count > 0 && currentLine [CurrentColumn - 1].Rune.Value == '\t') { - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition); + _historyText.Add (new List> { new (currentLine) }, CursorPosition); - currentLine.RemoveAt (_currentColumn - 1); - _currentColumn--; + currentLine.RemoveAt (CurrentColumn - 1); + CurrentColumn--; - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition, + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition, HistoryText.LineStatus.Replaced); } @@ -3795,37 +3945,37 @@ public class TextView : View { var currentLine = GetCurrentLine (); - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition); + _historyText.Add (new List> { new (currentLine) }, CursorPosition); - if (_selecting) { + if (Selecting) { ClearSelectedRegion (); currentLine = GetCurrentLine (); } - int restCount = currentLine.Count - _currentColumn; - var rest = currentLine.GetRange (_currentColumn, restCount); - currentLine.RemoveRange (_currentColumn, restCount); + var restCount = currentLine.Count - CurrentColumn; + var rest = currentLine.GetRange (CurrentColumn, restCount); + currentLine.RemoveRange (CurrentColumn, restCount); - var addedLines = new List> () { new List (currentLine) }; + var addedLines = new List> { new (currentLine) }; - _model.AddLine (_currentRow + 1, rest); + _model.AddLine (CurrentRow + 1, rest); - addedLines.Add (new List (_model.GetLine (_currentRow + 1))); + addedLines.Add (new List (_model.GetLine (CurrentRow + 1))); _historyText.Add (addedLines, CursorPosition, HistoryText.LineStatus.Added); - _currentRow++; + CurrentRow++; - bool fullNeedsDisplay = false; - if (_currentRow >= _topRow + Frame.Height) { + var fullNeedsDisplay = false; + if (CurrentRow >= _topRow + Frame.Height) { _topRow++; fullNeedsDisplay = true; } - _currentColumn = 0; + CurrentColumn = 0; - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition, + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition, HistoryText.LineStatus.Replaced); - if (!_wordWrap && _currentColumn < _leftColumn) { + if (!_wordWrap && CurrentColumn < _leftColumn) { fullNeedsDisplay = true; _leftColumn = 0; } @@ -3855,42 +4005,42 @@ public class TextView : View { var currentLine = GetCurrentLine (); - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition); + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition); - if (_currentColumn == 0) { + if (CurrentColumn == 0) { DeleteTextBackwards (); - _historyText.ReplaceLast (new List> () { new List (GetCurrentLine ()) }, CursorPosition, + _historyText.ReplaceLast (new List> { new (GetCurrentLine ()) }, CursorPosition, HistoryText.LineStatus.Replaced); UpdateWrapModel (); return; } - var newPos = _model.WordBackward (_currentColumn, _currentRow); - if (newPos.HasValue && _currentRow == newPos.Value.row) { - int restCount = _currentColumn - newPos.Value.col; + var newPos = _model.WordBackward (CurrentColumn, CurrentRow); + if (newPos.HasValue && CurrentRow == newPos.Value.row) { + var restCount = CurrentColumn - newPos.Value.col; currentLine.RemoveRange (newPos.Value.col, restCount); if (_wordWrap) { _wrapNeeded = true; } - _currentColumn = newPos.Value.col; + CurrentColumn = newPos.Value.col; } else if (newPos.HasValue) { - int restCount = currentLine.Count - _currentColumn; - currentLine.RemoveRange (_currentColumn, restCount); + var restCount = currentLine.Count - CurrentColumn; + currentLine.RemoveRange (CurrentColumn, restCount); if (_wordWrap) { _wrapNeeded = true; } - _currentColumn = newPos.Value.col; - _currentRow = newPos.Value.row; + CurrentColumn = newPos.Value.col; + CurrentRow = newPos.Value.row; } - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition, + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition, HistoryText.LineStatus.Replaced); UpdateWrapModel (); - DoSetNeedsDisplay (new Rect (0, _currentRow - _topRow, Frame.Width, Frame.Height)); + DoSetNeedsDisplay (new Rect (0, CurrentRow - _topRow, Frame.Width, Frame.Height)); DoNeededAction (); } @@ -3904,46 +4054,46 @@ public class TextView : View { var currentLine = GetCurrentLine (); - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition); + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition); - if (currentLine.Count == 0 || _currentColumn == currentLine.Count) { + if (currentLine.Count == 0 || CurrentColumn == currentLine.Count) { DeleteTextForwards (); - _historyText.ReplaceLast (new List> () { new List (GetCurrentLine ()) }, CursorPosition, + _historyText.ReplaceLast (new List> { new (GetCurrentLine ()) }, CursorPosition, HistoryText.LineStatus.Replaced); UpdateWrapModel (); return; } - var newPos = _model.WordForward (_currentColumn, _currentRow); - int restCount = 0; - if (newPos.HasValue && _currentRow == newPos.Value.row) { - restCount = newPos.Value.col - _currentColumn; - currentLine.RemoveRange (_currentColumn, restCount); + var newPos = _model.WordForward (CurrentColumn, CurrentRow); + var restCount = 0; + if (newPos.HasValue && CurrentRow == newPos.Value.row) { + restCount = newPos.Value.col - CurrentColumn; + currentLine.RemoveRange (CurrentColumn, restCount); } else if (newPos.HasValue) { - restCount = currentLine.Count - _currentColumn; - currentLine.RemoveRange (_currentColumn, restCount); + restCount = currentLine.Count - CurrentColumn; + currentLine.RemoveRange (CurrentColumn, restCount); } if (_wordWrap) { _wrapNeeded = true; } - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition, + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition, HistoryText.LineStatus.Replaced); UpdateWrapModel (); - DoSetNeedsDisplay (new Rect (0, _currentRow - _topRow, Frame.Width, Frame.Height)); + DoSetNeedsDisplay (new Rect (0, CurrentRow - _topRow, Frame.Width, Frame.Height)); DoNeededAction (); } void MoveWordForward () { - var newPos = _model.WordForward (_currentColumn, _currentRow); + var newPos = _model.WordForward (CurrentColumn, CurrentRow); if (newPos.HasValue) { - _currentColumn = newPos.Value.col; - _currentRow = newPos.Value.row; + CurrentColumn = newPos.Value.col; + CurrentRow = newPos.Value.row; } Adjust (); DoNeededAction (); @@ -3951,10 +4101,10 @@ public class TextView : View { void MoveWordBackward () { - var newPos = _model.WordBackward (_currentColumn, _currentRow); + var newPos = _model.WordBackward (CurrentColumn, CurrentRow); if (newPos.HasValue) { - _currentColumn = newPos.Value.col; - _currentRow = newPos.Value.row; + CurrentColumn = newPos.Value.col; + CurrentRow = newPos.Value.row; } Adjust (); DoNeededAction (); @@ -3973,22 +4123,22 @@ public class TextView : View { SetWrapModel (); var currentLine = GetCurrentLine (); - bool setLastWasKill = true; - if (currentLine.Count > 0 && _currentColumn == 0) { + var setLastWasKill = true; + if (currentLine.Count > 0 && CurrentColumn == 0) { UpdateWrapModel (); DeleteTextBackwards (); return; } - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition); + _historyText.Add (new List> { new (currentLine) }, CursorPosition); if (currentLine.Count == 0) { - if (_currentRow > 0) { - _model.RemoveLine (_currentRow); + if (CurrentRow > 0) { + _model.RemoveLine (CurrentRow); if (_model.Count > 0 || _lastWasKill) { - string val = Environment.NewLine; + var val = Environment.NewLine; if (_lastWasKill) { AppendClipboard (val); } else { @@ -4000,21 +4150,21 @@ public class TextView : View { setLastWasKill = false; } - _currentRow--; - currentLine = _model.GetLine (_currentRow); + CurrentRow--; + currentLine = _model.GetLine (CurrentRow); - var removedLine = new List> () { new List (currentLine) }; + var removedLine = new List> { new (currentLine) }; removedLine.Add (new List ()); _historyText.Add (new List> (removedLine), CursorPosition, HistoryText.LineStatus.Removed); - _currentColumn = currentLine.Count; + CurrentColumn = currentLine.Count; } } else { - int restCount = _currentColumn; + var restCount = CurrentColumn; var rest = currentLine.GetRange (0, restCount); - string val = string.Empty; + var val = string.Empty; val += StringFromRunes (rest); if (_lastWasKill) { AppendClipboard (val); @@ -4022,15 +4172,15 @@ public class TextView : View { SetClipboard (val); } currentLine.RemoveRange (0, restCount); - _currentColumn = 0; + CurrentColumn = 0; } - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition, + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition, HistoryText.LineStatus.Replaced); UpdateWrapModel (); - DoSetNeedsDisplay (new Rect (0, _currentRow - _topRow, Frame.Width, Frame.Height)); + DoSetNeedsDisplay (new Rect (0, CurrentRow - _topRow, Frame.Width, Frame.Height)); _lastWasKill = setLastWasKill; DoNeededAction (); @@ -4049,21 +4199,21 @@ public class TextView : View { SetWrapModel (); var currentLine = GetCurrentLine (); - bool setLastWasKill = true; - if (currentLine.Count > 0 && _currentColumn == currentLine.Count) { + var setLastWasKill = true; + if (currentLine.Count > 0 && CurrentColumn == currentLine.Count) { UpdateWrapModel (); DeleteTextForwards (); return; } - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition); + _historyText.Add (new List> { new (currentLine) }, CursorPosition); if (currentLine.Count == 0) { - if (_currentRow < _model.Count - 1) { - var removedLines = new List> () { new List (currentLine) }; + if (CurrentRow < _model.Count - 1) { + var removedLines = new List> { new (currentLine) }; - _model.RemoveLine (_currentRow); + _model.RemoveLine (CurrentRow); removedLines.Add (new List (GetCurrentLine ())); @@ -4071,7 +4221,7 @@ public class TextView : View { HistoryText.LineStatus.Removed); } if (_model.Count > 0 || _lastWasKill) { - string val = Environment.NewLine; + var val = Environment.NewLine; if (_lastWasKill) { AppendClipboard (val); } else { @@ -4083,24 +4233,24 @@ public class TextView : View { setLastWasKill = false; } } else { - int restCount = currentLine.Count - _currentColumn; - var rest = currentLine.GetRange (_currentColumn, restCount); - string val = string.Empty; + var restCount = currentLine.Count - CurrentColumn; + var rest = currentLine.GetRange (CurrentColumn, restCount); + var val = string.Empty; val += StringFromRunes (rest); if (_lastWasKill) { AppendClipboard (val); } else { SetClipboard (val); } - currentLine.RemoveRange (_currentColumn, restCount); + currentLine.RemoveRange (CurrentColumn, restCount); } - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition, + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition, HistoryText.LineStatus.Replaced); UpdateWrapModel (); - DoSetNeedsDisplay (new Rect (0, _currentRow - _topRow, Frame.Width, Frame.Height)); + DoSetNeedsDisplay (new Rect (0, CurrentRow - _topRow, Frame.Width, Frame.Height)); _lastWasKill = setLastWasKill; DoNeededAction (); @@ -4109,7 +4259,7 @@ public class TextView : View { void MoveEndOfLine () { var currentLine = GetCurrentLine (); - _currentColumn = currentLine.Count; + CurrentColumn = currentLine.Count; Adjust (); DoNeededAction (); } @@ -4119,7 +4269,7 @@ public class TextView : View { if (_leftColumn > 0) { SetNeedsDisplay (); } - _currentColumn = 0; + CurrentColumn = 0; _leftColumn = 0; Adjust (); DoNeededAction (); @@ -4136,15 +4286,14 @@ public class TextView : View { SetWrapModel (); - if (_selecting) { - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition, - HistoryText.LineStatus.Original); + if (Selecting) { + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition); ClearSelectedRegion (); var currentLine = GetCurrentLine (); - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition, + _historyText.Add (new List> { new (currentLine) }, CursorPosition, HistoryText.LineStatus.Replaced); UpdateWrapModel (); @@ -4176,15 +4325,14 @@ public class TextView : View { SetWrapModel (); - if (_selecting) { - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition, - HistoryText.LineStatus.Original); + if (Selecting) { + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition); ClearSelectedRegion (); var currentLine = GetCurrentLine (); - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition, + _historyText.Add (new List> { new (currentLine) }, CursorPosition, HistoryText.LineStatus.Replaced); UpdateWrapModel (); @@ -4207,17 +4355,17 @@ public class TextView : View { void MoveLeft () { - if (_currentColumn > 0) { - _currentColumn--; + if (CurrentColumn > 0) { + CurrentColumn--; } else { - if (_currentRow > 0) { - _currentRow--; - if (_currentRow < _topRow) { + if (CurrentRow > 0) { + CurrentRow--; + if (CurrentRow < _topRow) { _topRow--; SetNeedsDisplay (); } var currentLine = GetCurrentLine (); - _currentColumn = currentLine.Count; + CurrentColumn = currentLine.Count; } } Adjust (); @@ -4227,13 +4375,13 @@ public class TextView : View { void MoveRight () { var currentLine = GetCurrentLine (); - if (_currentColumn < currentLine.Count) { - _currentColumn++; + if (CurrentColumn < currentLine.Count) { + CurrentColumn++; } else { - if (_currentRow + 1 < _model.Count) { - _currentRow++; - _currentColumn = 0; - if (_currentRow >= _topRow + Frame.Height) { + if (CurrentRow + 1 < _model.Count) { + CurrentRow++; + CurrentColumn = 0; + if (CurrentRow >= _topRow + Frame.Height) { _topRow++; SetNeedsDisplay (); } @@ -4245,13 +4393,13 @@ public class TextView : View { void MovePageUp () { - int nPageUpShift = Frame.Height - 1; - if (_currentRow > 0) { + var nPageUpShift = Frame.Height - 1; + if (CurrentRow > 0) { if (_columnTrack == -1) { - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; } - _currentRow = _currentRow - nPageUpShift < 0 ? 0 : _currentRow - nPageUpShift; - if (_currentRow < _topRow) { + CurrentRow = CurrentRow - nPageUpShift < 0 ? 0 : CurrentRow - nPageUpShift; + if (CurrentRow < _topRow) { _topRow = _topRow - nPageUpShift < 0 ? 0 : _topRow - nPageUpShift; SetNeedsDisplay (); } @@ -4263,16 +4411,16 @@ public class TextView : View { void MovePageDown () { - int nPageDnShift = Frame.Height - 1; - if (_currentRow >= 0 && _currentRow < _model.Count) { + var nPageDnShift = Frame.Height - 1; + if (CurrentRow >= 0 && CurrentRow < _model.Count) { if (_columnTrack == -1) { - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; } - _currentRow = _currentRow + nPageDnShift > _model.Count + CurrentRow = CurrentRow + nPageDnShift > _model.Count ? _model.Count > 0 ? _model.Count - 1 : 0 - : _currentRow + nPageDnShift; - if (_topRow < _currentRow - nPageDnShift) { - _topRow = _currentRow >= _model.Count ? _currentRow - nPageDnShift : _topRow + nPageDnShift; + : CurrentRow + nPageDnShift; + if (_topRow < CurrentRow - nPageDnShift) { + _topRow = CurrentRow >= _model.Count ? CurrentRow - nPageDnShift : _topRow + nPageDnShift; SetNeedsDisplay (); } TrackColumn (); @@ -4315,32 +4463,32 @@ public class TextView : View { SetWrapModel (); - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition); + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition); - if (_selecting) { + if (Selecting) { ClearSelectedRegion (); } if ((uint)a.KeyCode == '\n') { - _model.AddLine (_currentRow + 1, new List ()); - _currentRow++; - _currentColumn = 0; + _model.AddLine (CurrentRow + 1, new List ()); + CurrentRow++; + CurrentColumn = 0; } else if ((uint)a.KeyCode == '\r') { - _currentColumn = 0; + CurrentColumn = 0; } else { if (Used) { Insert (new RuneCell { Rune = a.AsRune, ColorScheme = colorScheme }); - _currentColumn++; - if (_currentColumn >= _leftColumn + Frame.Width) { + CurrentColumn++; + if (CurrentColumn >= _leftColumn + Frame.Width) { _leftColumn++; SetNeedsDisplay (); } } else { Insert (new RuneCell { Rune = a.AsRune, ColorScheme = colorScheme }); - _currentColumn++; + CurrentColumn++; } } - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition, + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition, HistoryText.LineStatus.Replaced); UpdateWrapModel (); @@ -4401,46 +4549,46 @@ public class TextView : View { SetWrapModel (); var currentLine = GetCurrentLine (); - if (_currentColumn == currentLine.Count) { - if (_currentRow + 1 == _model.Count) { + if (CurrentColumn == currentLine.Count) { + if (CurrentRow + 1 == _model.Count) { UpdateWrapModel (); return true; } - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition); + _historyText.Add (new List> { new (currentLine) }, CursorPosition); - var removedLines = new List> () { new List (currentLine) }; + var removedLines = new List> { new (currentLine) }; - var nextLine = _model.GetLine (_currentRow + 1); + var nextLine = _model.GetLine (CurrentRow + 1); removedLines.Add (new List (nextLine)); _historyText.Add (removedLines, CursorPosition, HistoryText.LineStatus.Removed); currentLine.AddRange (nextLine); - _model.RemoveLine (_currentRow + 1); + _model.RemoveLine (CurrentRow + 1); - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition, + _historyText.Add (new List> { new (currentLine) }, CursorPosition, HistoryText.LineStatus.Replaced); if (_wordWrap) { _wrapNeeded = true; } - DoSetNeedsDisplay (new Rect (0, _currentRow - _topRow, Frame.Width, _currentRow - _topRow + 1)); + DoSetNeedsDisplay (new Rect (0, CurrentRow - _topRow, Frame.Width, CurrentRow - _topRow + 1)); } else { - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition); + _historyText.Add (new List> { new (currentLine) }, CursorPosition); - currentLine.RemoveAt (_currentColumn); + currentLine.RemoveAt (CurrentColumn); - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition, + _historyText.Add (new List> { new (currentLine) }, CursorPosition, HistoryText.LineStatus.Replaced); if (_wordWrap) { _wrapNeeded = true; } - DoSetNeedsDisplay (new Rect (_currentColumn - _leftColumn, _currentRow - _topRow, Frame.Width, _currentRow - _topRow + 1)); + DoSetNeedsDisplay (new Rect (CurrentColumn - _leftColumn, CurrentRow - _topRow, Frame.Width, CurrentRow - _topRow + 1)); } UpdateWrapModel (); @@ -4463,22 +4611,22 @@ public class TextView : View { { SetWrapModel (); - if (_currentColumn > 0) { + if (CurrentColumn > 0) { // Delete backwards var currentLine = GetCurrentLine (); - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition); + _historyText.Add (new List> { new (currentLine) }, CursorPosition); - currentLine.RemoveAt (_currentColumn - 1); + currentLine.RemoveAt (CurrentColumn - 1); if (_wordWrap) { _wrapNeeded = true; } - _currentColumn--; + CurrentColumn--; - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition, + _historyText.Add (new List> { new (currentLine) }, CursorPosition, HistoryText.LineStatus.Replaced); - if (_currentColumn < _leftColumn) { + if (CurrentColumn < _leftColumn) { _leftColumn--; SetNeedsDisplay (); } else { @@ -4488,33 +4636,33 @@ public class TextView : View { } } else { // Merges the current line with the previous one. - if (_currentRow == 0) { + if (CurrentRow == 0) { return true; } - int prowIdx = _currentRow - 1; + var prowIdx = CurrentRow - 1; var prevRow = _model.GetLine (prowIdx); - _historyText.Add (new List> () { new (prevRow) }, CursorPosition); + _historyText.Add (new List> { new (prevRow) }, CursorPosition); List> removedLines = new () { new List (prevRow) }; removedLines.Add (new List (GetCurrentLine ())); - _historyText.Add (removedLines, new Point (_currentColumn, prowIdx), + _historyText.Add (removedLines, new Point (CurrentColumn, prowIdx), HistoryText.LineStatus.Removed); - int prevCount = prevRow.Count; + var prevCount = prevRow.Count; _model.GetLine (prowIdx).AddRange (GetCurrentLine ()); - _model.RemoveLine (_currentRow); + _model.RemoveLine (CurrentRow); if (_wordWrap) { _wrapNeeded = true; } - _currentRow--; + CurrentRow--; - _historyText.Add (new List> () { GetCurrentLine () }, new Point (_currentColumn, prowIdx), + _historyText.Add (new List> { GetCurrentLine () }, new Point (CurrentColumn, prowIdx), HistoryText.LineStatus.Replaced); - _currentColumn = prevCount; + CurrentColumn = prevCount; SetNeedsDisplay (); } @@ -4523,15 +4671,13 @@ public class TextView : View { return false; } - bool _copyWithoutSelection; - /// /// Copy the selected text to the clipboard contents. /// public void Copy () { SetWrapModel (); - if (_selecting) { + if (Selecting) { SetClipboard (GetRegion ()); _copyWithoutSelection = false; } else { @@ -4553,11 +4699,11 @@ public class TextView : View { if (!_isReadOnly) { ClearRegion (); - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition, + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition, HistoryText.LineStatus.Replaced); } UpdateWrapModel (); - _selecting = false; + Selecting = false; DoNeededAction (); OnContentsChanged (); } @@ -4572,62 +4718,62 @@ public class TextView : View { } SetWrapModel (); - string? contents = Clipboard.Contents; + var contents = Clipboard.Contents; if (_copyWithoutSelection && contents.FirstOrDefault (x => x == '\n' || x == '\r') == 0) { var runeList = contents == null ? new List () : TextModel.ToRuneCellList (contents); var currentLine = GetCurrentLine (); - _historyText.Add (new List> () { new List (currentLine) }, CursorPosition); + _historyText.Add (new List> { new (currentLine) }, CursorPosition); var addedLine = new List> { - new List (currentLine), + new (currentLine), runeList }; _historyText.Add (new List> (addedLine), CursorPosition, HistoryText.LineStatus.Added); - _model.AddLine (_currentRow, runeList); - _currentRow++; + _model.AddLine (CurrentRow, runeList); + CurrentRow++; - _historyText.Add (new List> () { new List (GetCurrentLine ()) }, CursorPosition, + _historyText.Add (new List> { new (GetCurrentLine ()) }, CursorPosition, HistoryText.LineStatus.Replaced); SetNeedsDisplay (); OnContentsChanged (); } else { - if (_selecting) { + if (Selecting) { ClearRegion (); } _copyWithoutSelection = false; InsertAllText (contents); - if (_selecting) { - _historyText.ReplaceLast (new List> () { new List (GetCurrentLine ()) }, CursorPosition, + if (Selecting) { + _historyText.ReplaceLast (new List> { new (GetCurrentLine ()) }, CursorPosition, HistoryText.LineStatus.Original); } SetNeedsDisplay (); } UpdateWrapModel (); - _selecting = false; + Selecting = false; DoNeededAction (); } void StartSelecting () { - if (_shiftSelecting && _selecting) { + if (_shiftSelecting && Selecting) { return; } _shiftSelecting = true; - _selecting = true; - _selectionStartColumn = _currentColumn; - _selectionStartRow = _currentRow; + Selecting = true; + _selectionStartColumn = CurrentColumn; + _selectionStartRow = CurrentRow; } void StopSelecting () { _shiftSelecting = false; - _selecting = false; + Selecting = false; _isButtonShift = false; } @@ -4638,18 +4784,18 @@ public class TextView : View { ClearRegion (); } UpdateWrapModel (); - _selecting = false; + Selecting = false; DoNeededAction (); } void MoveUp () { - if (_currentRow > 0) { + if (CurrentRow > 0) { if (_columnTrack == -1) { - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; } - _currentRow--; - if (_currentRow < _topRow) { + CurrentRow--; + if (CurrentRow < _topRow) { _topRow--; SetNeedsDisplay (); } @@ -4661,18 +4807,18 @@ public class TextView : View { void MoveDown () { - if (_currentRow + 1 < _model.Count) { + if (CurrentRow + 1 < _model.Count) { if (_columnTrack == -1) { - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; } - _currentRow++; - if (_currentRow + BottomOffset >= _topRow + Frame.Height) { + CurrentRow++; + if (CurrentRow + BottomOffset >= _topRow + Frame.Height) { _topRow++; SetNeedsDisplay (); } TrackColumn (); PositionCursor (); - } else if (_currentRow > Frame.Height) { + } else if (CurrentRow > Frame.Height) { Adjust (); } DoNeededAction (); @@ -4692,7 +4838,7 @@ public class TextView : View { } while (row < _model.Count) { - for (int c = col; c < line.Count; c++) { + for (var c = col; c < line.Count; c++) { yield return (c, row, line [c]); } col = 0; @@ -4706,9 +4852,9 @@ public class TextView : View { /// public void MoveEnd () { - _currentRow = _model.Count - 1; + CurrentRow = _model.Count - 1; var line = GetCurrentLine (); - _currentColumn = line.Count; + CurrentColumn = line.Count; TrackColumn (); PositionCursor (); } @@ -4718,30 +4864,29 @@ public class TextView : View { /// public void MoveHome () { - _currentRow = 0; + CurrentRow = 0; _topRow = 0; - _currentColumn = 0; + CurrentColumn = 0; _leftColumn = 0; TrackColumn (); PositionCursor (); SetNeedsDisplay (); } - bool _isButtonShift; - bool _clickWithSelecting; - /// public override bool MouseEvent (MouseEvent ev) { - if (!ev.Flags.HasFlag (MouseFlags.Button1Clicked) && !ev.Flags.HasFlag (MouseFlags.Button1Pressed) - && !ev.Flags.HasFlag (MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition) - && !ev.Flags.HasFlag (MouseFlags.Button1Released) - && !ev.Flags.HasFlag (MouseFlags.Button1Pressed | MouseFlags.ButtonShift) - && !ev.Flags.HasFlag (MouseFlags.WheeledDown) && !ev.Flags.HasFlag (MouseFlags.WheeledUp) - && !ev.Flags.HasFlag (MouseFlags.Button1DoubleClicked) - && !ev.Flags.HasFlag (MouseFlags.Button1DoubleClicked | MouseFlags.ButtonShift) - && !ev.Flags.HasFlag (MouseFlags.Button1TripleClicked) - && !ev.Flags.HasFlag (ContextMenu!.MouseFlags)) { + if (!ev.Flags.HasFlag (MouseFlags.Button1Clicked) && + !ev.Flags.HasFlag (MouseFlags.Button1Pressed) && + !ev.Flags.HasFlag (MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition) && + !ev.Flags.HasFlag (MouseFlags.Button1Released) && + !ev.Flags.HasFlag (MouseFlags.Button1Pressed | MouseFlags.ButtonShift) && + !ev.Flags.HasFlag (MouseFlags.WheeledDown) && + !ev.Flags.HasFlag (MouseFlags.WheeledUp) && + !ev.Flags.HasFlag (MouseFlags.Button1DoubleClicked) && + !ev.Flags.HasFlag (MouseFlags.Button1DoubleClicked | MouseFlags.ButtonShift) && + !ev.Flags.HasFlag (MouseFlags.Button1TripleClicked) && + !ev.Flags.HasFlag (ContextMenu!.MouseFlags)) { return false; } @@ -4771,41 +4916,39 @@ public class TextView : View { SetNeedsDisplay (); } _lastWasKill = false; - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; } else if (ev.Flags == MouseFlags.WheeledDown) { _lastWasKill = false; - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; ScrollTo (_topRow + 1); } else if (ev.Flags == MouseFlags.WheeledUp) { _lastWasKill = false; - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; ScrollTo (_topRow - 1); } else if (ev.Flags == MouseFlags.WheeledRight) { _lastWasKill = false; - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; ScrollTo (_leftColumn + 1, false); } else if (ev.Flags == MouseFlags.WheeledLeft) { _lastWasKill = false; - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; ScrollTo (_leftColumn - 1, false); } else if (ev.Flags.HasFlag (MouseFlags.Button1Pressed | MouseFlags.ReportMousePosition)) { ProcessMouseClick (ev, out var line); PositionCursor (); - if (_model.Count > 0 && _shiftSelecting && _selecting) { - if (_currentRow - _topRow + BottomOffset >= Frame.Height - 1 - && _model.Count + BottomOffset > _topRow + _currentRow) { + if (_model.Count > 0 && _shiftSelecting && Selecting) { + if (CurrentRow - _topRow + BottomOffset >= Frame.Height - 1 && _model.Count + BottomOffset > _topRow + CurrentRow) { ScrollTo (_topRow + Frame.Height); - } else if (_topRow > 0 && _currentRow <= _topRow) { + } else if (_topRow > 0 && CurrentRow <= _topRow) { ScrollTo (_topRow - Frame.Height); } else if (ev.Y >= Frame.Height) { ScrollTo (_model.Count + BottomOffset); } else if (ev.Y < 0 && _topRow > 0) { ScrollTo (0); } - if (_currentColumn - _leftColumn + RightOffset >= Frame.Width - 1 - && line.Count + RightOffset > _leftColumn + _currentColumn) { + if (CurrentColumn - _leftColumn + RightOffset >= Frame.Width - 1 && line.Count + RightOffset > _leftColumn + CurrentColumn) { ScrollTo (_leftColumn + Frame.Width, false); - } else if (_leftColumn > 0 && _currentColumn <= _leftColumn) { + } else if (_leftColumn > 0 && CurrentColumn <= _leftColumn) { ScrollTo (_leftColumn - Frame.Width, false); } else if (ev.X >= Frame.Width) { ScrollTo (line.Count + RightOffset, false); @@ -4814,7 +4957,7 @@ public class TextView : View { } } _lastWasKill = false; - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; } else if (ev.Flags.HasFlag (MouseFlags.Button1Pressed | MouseFlags.ButtonShift)) { if (!_shiftSelecting) { _isButtonShift = true; @@ -4823,7 +4966,7 @@ public class TextView : View { ProcessMouseClick (ev, out _); PositionCursor (); _lastWasKill = false; - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; } else if (ev.Flags.HasFlag (MouseFlags.Button1Pressed)) { if (_shiftSelecting) { _clickWithSelecting = true; @@ -4831,11 +4974,11 @@ public class TextView : View { } ProcessMouseClick (ev, out _); PositionCursor (); - if (!_selecting) { + if (!Selecting) { StartSelecting (); } _lastWasKill = false; - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; if (Application.MouseGrabView == null) { Application.GrabMouse (this); } @@ -4843,45 +4986,44 @@ public class TextView : View { Application.UngrabMouse (); } else if (ev.Flags.HasFlag (MouseFlags.Button1DoubleClicked)) { if (ev.Flags.HasFlag (MouseFlags.ButtonShift)) { - if (!_selecting) { + if (!Selecting) { StartSelecting (); } - } else if (_selecting) { + } else if (Selecting) { StopSelecting (); } ProcessMouseClick (ev, out var line); (int col, int row)? newPos; - if (_currentColumn == line.Count || _currentColumn > 0 && (line [_currentColumn - 1].Rune.Value != ' ' - || line [_currentColumn].Rune.Value == ' ')) { + if (CurrentColumn == line.Count || CurrentColumn > 0 && (line [CurrentColumn - 1].Rune.Value != ' ' || line [CurrentColumn].Rune.Value == ' ')) { - newPos = _model.WordBackward (_currentColumn, _currentRow); + newPos = _model.WordBackward (CurrentColumn, CurrentRow); if (newPos.HasValue) { - _currentColumn = _currentRow == newPos.Value.row ? newPos.Value.col : 0; + CurrentColumn = CurrentRow == newPos.Value.row ? newPos.Value.col : 0; } } - if (!_selecting) { + if (!Selecting) { StartSelecting (); } - newPos = _model.WordForward (_currentColumn, _currentRow); + newPos = _model.WordForward (CurrentColumn, CurrentRow); if (newPos != null && newPos.HasValue) { - _currentColumn = _currentRow == newPos.Value.row ? newPos.Value.col : line.Count; + CurrentColumn = CurrentRow == newPos.Value.row ? newPos.Value.col : line.Count; } PositionCursor (); _lastWasKill = false; - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; } else if (ev.Flags.HasFlag (MouseFlags.Button1TripleClicked)) { - if (_selecting) { + if (Selecting) { StopSelecting (); } ProcessMouseClick (ev, out var line); - _currentColumn = 0; - if (!_selecting) { + CurrentColumn = 0; + if (!Selecting) { StartSelecting (); } - _currentColumn = line.Count; + CurrentColumn = line.Count; PositionCursor (); _lastWasKill = false; - _columnTrack = _currentColumn; + _columnTrack = CurrentColumn; } else if (ev.Flags == ContextMenu!.MouseFlags) { ContextMenu.Position = new Point (ev.X + 2, ev.Y + 2); ShowContextMenu (); @@ -4894,18 +5036,18 @@ public class TextView : View { { List? r = null; if (_model.Count > 0) { - int maxCursorPositionableLine = Math.Max (_model.Count - 1 - _topRow, 0); + var maxCursorPositionableLine = Math.Max (_model.Count - 1 - _topRow, 0); if (Math.Max (ev.Y, 0) > maxCursorPositionableLine) { - _currentRow = maxCursorPositionableLine + _topRow; + CurrentRow = maxCursorPositionableLine + _topRow; } else { - _currentRow = Math.Max (ev.Y + _topRow, 0); + CurrentRow = Math.Max (ev.Y + _topRow, 0); } r = GetCurrentLine (); - int idx = TextModel.GetColFromX (r, _leftColumn, Math.Max (ev.X, 0), TabWidth); + var idx = TextModel.GetColFromX (r, _leftColumn, Math.Max (ev.X, 0), TabWidth); if (idx - _leftColumn >= r.Count + RightOffset) { - _currentColumn = Math.Max (r.Count - _leftColumn + RightOffset, 0); + CurrentColumn = Math.Max (r.Count - _leftColumn + RightOffset, 0); } else { - _currentColumn = idx + _leftColumn; + CurrentColumn = idx + _leftColumn; } } diff --git a/UnitTests/Views/TextViewTests.cs b/UnitTests/Views/TextViewTests.cs index d1d0395fa..01138bbc9 100644 --- a/UnitTests/Views/TextViewTests.cs +++ b/UnitTests/Views/TextViewTests.cs @@ -6200,6 +6200,7 @@ This is the second line. ", _output); ((FakeDriver)Application.Driver).SetBufferSize (6, 25); + tv.SetRelativeLayout (Application.Driver.Bounds); tv.Draw (); Assert.Equal (new Point (4, 2), tv.CursorPosition); Assert.Equal (new Point (12, 0), cp);