Versions in this module Expand all Collapse all v1 v1.1.0 Apr 11, 2026 Changes in this version + const ActionBackspace + const ActionCenter + const ActionCopy + const ActionCursorDown + const ActionCursorEnd + const ActionCursorLeft + const ActionCursorPageDown + const ActionCursorPageUp + const ActionCursorRight + const ActionCursorStart + const ActionCursorUp + const ActionCut + const ActionCutLine + const ActionDelete + const ActionDeleteLine + const ActionDeleteWordLeft + const ActionDeleteWordRight + const ActionDuplicateLine + const ActionEnd + const ActionEndOfLine + const ActionEscape + const ActionHalfPageDown + const ActionHalfPageUp + const ActionIndentSelection + const ActionInsertEnter + const ActionInsertNewline + const ActionInsertSpace + const ActionInsertTab + const ActionJumpToMatchingBrace + const ActionMoveLinesDown + const ActionMoveLinesUp + const ActionOutdentLine + const ActionOutdentSelection + const ActionPageDown + const ActionPageUp + const ActionParagraphNext + const ActionParagraphPrevious + const ActionPaste + const ActionRedo + const ActionRemoveAllMultiCursors + const ActionRemoveMultiCursor + const ActionScrollDown + const ActionScrollUp + const ActionSelectAll + const ActionSelectDown + const ActionSelectLeft + const ActionSelectLine + const ActionSelectPageDown + const ActionSelectPageUp + const ActionSelectRight + const ActionSelectToEnd + const ActionSelectToEndOfLine + const ActionSelectToStart + const ActionSelectToStartOfLine + const ActionSelectUp + const ActionSelectWordLeft + const ActionSelectWordRight + const ActionSkipMultiCursor + const ActionSpawnMultiCursor + const ActionSpawnMultiCursorSelect + const ActionStart + const ActionStartOfLine + const ActionToggleOverwriteMode + const ActionToggleRuler + const ActionUnbindKey + const ActionUndo + const ActionWordLeft + const ActionWordRight + const DOUBLE_CLICK_INTERVAL + const LargeFileThreshold + const MOUSE_BUTTON_MODE_DOUBLE + const MOUSE_BUTTON_MODE_SINGLE + const MOUSE_BUTTON_MODE_TRIPLE + const RTColorscheme + const RTSyntax + const TextEventInsert + const TextEventRemove + const TextEventReplace + var BindingActionsMapping = map[string]func(*View) bool + var BindingKeysToTcellMapping = map[string]tcell.Key + func Abs(n int) int + func ByteOffset(pos Loc, buf *Buffer) int + func CommonSubstring(arr ...string) string + func Contains(list []string, a string) bool + func Count(s string) int + func DefaultLocalSettings() map[string]interface + func Diff(a, b Loc, buf *Buffer) int + func EscapePath(path string) string + func ExecuteTextEvent(t *TextEvent, buf *Buffer) + func FSize(f *os.File) int64 + func FuncName(i interface{}) string + func GetColor(color string) tcell.Style + func GetColor256(c int) tcell.Color + func GetLeadingWhitespace(str string) string + func GetModTime(path string) (time.Time, bool) + func GetPathAndCursorPosition(path string) (string, []string) + func InBounds(pos Loc, buf *Buffer) bool + func Insert(str string, pos int, value string) string + func IsSpaces(str []byte) bool + func IsSpacesOrTabs(str string) bool + func IsStrWhitespace(str string) bool + func IsWhitespace(c rune) bool + func IsWordChar(str string) bool + func MakeRelative(path, base string) (string, error) + func Max(a, b int) int + func Min(a, b int) int + func NumOccurrences(s string, c byte) int + func ParseBool(str string) (bool, error) + func SetDefaultColorscheme(scheme Colorscheme) + func ShortFuncName(i interface{}) string + func Spaces(n int) string + func StringToColor(str string) tcell.Color + func StringToStyle(str string, defaultStyle tcell.Style) tcell.Style + func StringWidth(str string, tabsize int) int + func ToCharPos(start Loc, buf *Buffer) int + func UndoTextEvent(t *TextEvent, buf *Buffer) + func WidthOfLargeRunes(str string, tabsize int) int + type AutocompleteProvider func(ctx CompletionContext) []CompletionItem + type Buffer struct + Cursor Cursor + IsModified bool + NumLines int + Path string + Settings map[string]interface{} + func NewBuffer(reader io.Reader, size int64, path string, cursorPosition []string) *Buffer + func NewBufferFromString(text, path string) *Buffer + func (b *Buffer) ClearMatches() + func (b *Buffer) End() Loc + func (b *Buffer) FileType() string + func (b *Buffer) FindMatchingBrace(braceType [2]rune, start Loc) Loc + func (b *Buffer) FindNext(s string, start, end, from Loc, down bool, useRegex bool, caseSensitive bool) ([2]Loc, bool, error) + func (b *Buffer) GetName() string + func (b *Buffer) IndentString() string + func (b *Buffer) Len() (n int) + func (b *Buffer) Line(n int) string + func (b *Buffer) LineBytes(n int) []byte + func (b *Buffer) LineRunes(n int) []rune + func (b *Buffer) Lines(start, end int) []string + func (b *Buffer) LinesNum() int + func (b *Buffer) MergeCursors() + func (b *Buffer) Modified() bool + func (b *Buffer) MoveLinesDown(start int, end int) + func (b *Buffer) MoveLinesUp(start int, end int) + func (b *Buffer) ReplaceRegex(start, end Loc, search *regexp.Regexp, replace []byte, captureGroups bool) (int, int) + func (b *Buffer) RuneAt(loc Loc) rune + func (b *Buffer) Start() Loc + func (b *Buffer) UpdateCursors() + type CellView struct + func (c *CellView) Draw(buf *Buffer, colorscheme Colorscheme, top, height, left, width int) + type Char struct + type Colorscheme map[string]tcell.Style + func ParseColorscheme(text string) Colorscheme + func (colorscheme Colorscheme) GetColor(color string) tcell.Style + func (colorscheme Colorscheme) GetDefault() tcell.Style + type CompletionContext struct + Buffer *Buffer + Cursor Loc + Line string + Prefix string + View *View + Word string + WordEnd Loc + WordStart Loc + type CompletionItem struct + Detail string + InlineText string + InsertText string + Label string + ReplaceEnd *Loc + ReplaceStart *Loc + func DefaultAutocompleteProvider(ctx CompletionContext) []CompletionItem + type Cursor struct + CurSelection [2]Loc + LastVisualX int + Num int + OrigSelection [2]Loc + func (c *Cursor) AddLineToSelection() + func (c *Cursor) AddWordToSelection() + func (c *Cursor) CopySelection(target string) + func (c *Cursor) DeleteSelection() + func (c *Cursor) Down() + func (c *Cursor) DownN(amount int) + func (c *Cursor) End() + func (c *Cursor) GetCharPosInLine(lineNum, visualPos int) int + func (c *Cursor) GetSelection() string + func (c *Cursor) GetVisualX() int + func (c *Cursor) Goto(b Cursor) + func (c *Cursor) GotoLoc(l Loc) + func (c *Cursor) HasSelection() bool + func (c *Cursor) Left() + func (c *Cursor) MoveTo(loc Loc) + func (c *Cursor) Relocate() + func (c *Cursor) ResetSelection() + func (c *Cursor) Right() + func (c *Cursor) RuneUnder(x int) rune + func (c *Cursor) SelectLine() + func (c *Cursor) SelectTo(loc Loc) + func (c *Cursor) SelectWord() + func (c *Cursor) SetSelectionEnd(pos Loc) + func (c *Cursor) SetSelectionStart(pos Loc) + func (c *Cursor) Start() + func (c *Cursor) StartOfText() + func (c *Cursor) StoreVisualX() + func (c *Cursor) Up() + func (c *Cursor) UpN(amount int) + func (c *Cursor) WordLeft() + func (c *Cursor) WordRight() + type Delta struct + End Loc + Start Loc + Text []byte + type Element struct + Next *Element + Value *TextEvent + type EventHandler struct + RedoStack *Stack + UndoStack *Stack + func NewEventHandler(buf *Buffer) *EventHandler + func (eh *EventHandler) ApplyDiff(new string) + func (eh *EventHandler) Execute(t *TextEvent) + func (eh *EventHandler) Insert(start Loc, textStr string) + func (eh *EventHandler) MultipleReplace(deltas []Delta) + func (eh *EventHandler) Redo() + func (eh *EventHandler) RedoOneEvent() + func (eh *EventHandler) Remove(start, end Loc) + func (eh *EventHandler) Replace(start, end Loc, replace string) + func (eh *EventHandler) Undo() + func (eh *EventHandler) UndoOneEvent() + type KeyBindings map[KeyDesc][]func(*View) bool + var DefaultKeyBindings KeyBindings + func NewKeyBindings(bindings map[string]string) KeyBindings + func (bindings KeyBindings) BindKey(key string, actions string) KeyBindings + func (bindings KeyBindings) BindKeys(keys map[string]string) KeyBindings + type KeyDesc struct + KeyCode tcell.Key + Modifiers tcell.ModMask + R rune + func NewKeyDesc(k string) (b KeyDesc, ok bool) + type Line struct + func Append(slice []Line, data ...Line) []Line + type LineArray struct + func NewLineArray(size uint64, reader io.Reader) (*LineArray, int) + func (la *LineArray) Bytes(useCrlf bool) []byte + func (la *LineArray) DeleteByte(pos Loc) + func (la *LineArray) DeleteFromStart(pos Loc) + func (la *LineArray) DeleteLine(y int) + func (la *LineArray) DeleteToEnd(pos Loc) + func (la *LineArray) JoinLines(a, b int) + func (la *LineArray) Match(lineN int) highlight.LineMatch + func (la *LineArray) NewlineBelow(y int) + func (la *LineArray) SaveString(useCrlf bool) string + func (la *LineArray) SetMatch(lineN int, m highlight.LineMatch) + func (la *LineArray) SetState(lineN int, s highlight.State) + func (la *LineArray) Split(pos Loc) + func (la *LineArray) State(lineN int) highlight.State + func (la *LineArray) String() string + func (la *LineArray) Substr(start, end Loc) []byte + type Loc struct + X int + Y int + func FromCharPos(loc int, buf *Buffer) Loc + func (l Loc) Clamp(start, end Loc) Loc + func (l Loc) GreaterEqual(b Loc) bool + func (l Loc) GreaterThan(b Loc) bool + func (l Loc) LessEqual(b Loc) bool + func (l Loc) LessThan(b Loc) bool + func (l Loc) Move(n int, buf *Buffer) Loc + type RuntimeFile interface + Data func() ([]byte, error) + Name func() string + type RuntimeFiles struct + func NewRuntimeFiles(fs http.FileSystem) *RuntimeFiles + func (rfs *RuntimeFiles) AddFile(fileType string, file RuntimeFile) + func (rfs *RuntimeFiles) AddFilesFromDirectory(fs http.FileSystem, fileType, directory, pattern string) + func (rfs RuntimeFiles) FindFile(fileType, name string) RuntimeFile + func (rfs RuntimeFiles) ListRuntimeFiles(fileType string) []RuntimeFile + type ScrollBar struct + func (sb *ScrollBar) Display(screen tcell.Screen) + type Stack struct + Size int + Top *Element + func (s *Stack) Len() int + func (s *Stack) Peek() *TextEvent + func (s *Stack) Pop() (value *TextEvent) + func (s *Stack) Push(value *TextEvent) + type TextEvent struct + C Cursor + Deltas []Delta + EventType int + Time time.Time + type View struct + Buf *Buffer + Cursor *Cursor + Readonly bool + Topline int + func NewView(buf *Buffer) *View + func (v *View) Backspace() bool + func (v *View) Bottomline() int + func (v *View) Center() bool + func (v *View) Copy() bool + func (v *View) CursorDown() bool + func (v *View) CursorEnd() bool + func (v *View) CursorLeft() bool + func (v *View) CursorPageDown() bool + func (v *View) CursorPageUp() bool + func (v *View) CursorRight() bool + func (v *View) CursorStart() bool + func (v *View) CursorUp() bool + func (v *View) Cut() bool + func (v *View) CutLine() bool + func (v *View) Delete() bool + func (v *View) DeleteLine() bool + func (v *View) DeleteWordLeft() bool + func (v *View) DeleteWordRight() bool + func (v *View) Draw(screen tcell.Screen) + func (v *View) DuplicateLine() bool + func (v *View) End() bool + func (v *View) EndOfLine() bool + func (v *View) Escape() bool + func (v *View) ExecuteActions(actions []func(*View) bool) bool + func (v *View) GetKeybindings() KeyBindings + func (v *View) HalfPageDown() bool + func (v *View) HalfPageUp() bool + func (v *View) HandleEvent(event tcell.Event) + func (v *View) IndentSelection() bool + func (v *View) InputHandler() func(event *tcell.EventKey, _ func(p cui.Widget)) + func (v *View) InsertNewline() bool + func (v *View) InsertSpace() bool + func (v *View) InsertTab() bool + func (v *View) IsOverwriteMode() bool + func (v *View) JumpToMatchingBrace() bool + func (v *View) MouseHandler() ... + func (v *View) MouseLeftDown(e *tcell.EventMouse) + func (v *View) MouseLeftUp(e *tcell.EventMouse) + func (v *View) MouseMove(e *tcell.EventMouse) + func (v *View) MoveLinesDown() bool + func (v *View) MoveLinesUp() bool + func (v *View) OpenBuffer(buf *Buffer) + func (v *View) OutdentLine() bool + func (v *View) OutdentSelection() bool + func (v *View) PageDown() bool + func (v *View) PageUp() bool + func (v *View) ParagraphNext() bool + func (v *View) ParagraphPrevious() bool + func (v *View) Paste() bool + func (v *View) Redo() bool + func (v *View) Relocate() bool + func (v *View) RemoveAllMultiCursors() bool + func (v *View) RemoveMultiCursor() bool + func (v *View) ReplaceAll(str string, useRegex bool, caseSensitive bool, replaceText string) (int, error) + func (v *View) Retab() bool + func (v *View) ScrollDown(n int) + func (v *View) ScrollDownAction() bool + func (v *View) ScrollUp(n int) + func (v *View) ScrollUpAction() bool + func (v *View) Search(str string, useRegex bool, caseSensitive bool, searchDown bool) (bool, error) + func (v *View) SelectAll() bool + func (v *View) SelectDown() bool + func (v *View) SelectLeft() bool + func (v *View) SelectLine() bool + func (v *View) SelectPageDown() bool + func (v *View) SelectPageUp() bool + func (v *View) SelectRight() bool + func (v *View) SelectToEnd() bool + func (v *View) SelectToEndOfLine() bool + func (v *View) SelectToStart() bool + func (v *View) SelectToStartOfLine() bool + func (v *View) SelectUp() bool + func (v *View) SelectWordLeft() bool + func (v *View) SelectWordRight() bool + func (v *View) SetAutocompleteProvider(provider AutocompleteProvider) + func (v *View) SetColorscheme(colorscheme Colorscheme) + func (v *View) SetCursor(c *Cursor) bool + func (v *View) SetKeybindings(bindings KeyBindings) + func (v *View) SetRect(x, y, width, height int) cui.Widget + func (v *View) SetRuntimeFiles(runtimeFiles *RuntimeFiles) + func (v *View) SkipMultiCursor() bool + func (v *View) SpawnMultiCursor() bool + func (v *View) SpawnMultiCursorSelect() bool + func (v *View) Start() bool + func (v *View) StartOfLine() bool + func (v *View) ToggleOverwriteMode() bool + func (v *View) ToggleRuler() bool + func (v *View) TriggerAutocomplete() bool + func (v *View) Undo() bool + func (v *View) WordLeft() bool + func (v *View) WordRight() bool v0 v0.2.1 Oct 22, 2025 v0.2.0 Oct 22, 2025 v0.1.2 Aug 23, 2025 v0.1.1 Aug 23, 2025 v0.1.0 Aug 23, 2025
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