100 lines
1.9 KiB
Go
100 lines
1.9 KiB
Go
package action
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import (
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tea "github.com/charmbracelet/bubbletea"
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)
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// Mode constants for editor mode
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type Mode int
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const (
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NormalMode Mode = iota
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InsertMode
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CommandMode
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VisualMode
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VisualLineMode
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VisualBlockMode
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)
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// Model defines the interface for editor state that actions can modify
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type Model interface {
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// Text buffer
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Lines() []string
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Line(idx int) string
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SetLine(idx int, content string)
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InsertLine(idx int, content string)
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DeleteLine(idx int)
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LineCount() int
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// Cursor
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CursorX() int
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CursorY() int
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SetCursorX(x int)
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SetCursorY(y int)
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ClampCursorX()
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// Window
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ScrollY() int
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SetScrollY(y int)
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// Anchor
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AnchorX() int
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AnchorY() int
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SetAnchorX(x int)
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SetAnchorY(y int)
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// Insert
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InsertKeys() []string
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SetInsertKeys(keys []string)
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// Settings
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Settings() Settings
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// Mode
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Mode() Mode
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SetMode(mode Mode)
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IsVisualMode() bool
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// Insert recording (for count replay)
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SetInsertRecording(count int, action Action)
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// ExitInsertMode handles replay, cursor step-back, and mode transition on esc
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ExitInsertMode()
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}
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// Position represents a location in the buffer
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type Position struct {
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Line, Col int
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}
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// MotionType indicates how a motion operates
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type MotionType int
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const (
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Charwise MotionType = iota // h, l, w, e, f, t - operates on characters
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Linewise // j, k, G, gg, {, } - operates on whole lines
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)
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// Action is the base interface - anything executable
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type Action interface {
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Execute(m Model) tea.Cmd
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}
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// Motion moves the cursor and returns the range covered
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type Motion interface {
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Action
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Type() MotionType
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}
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// Operator acts on a range (delete, yank, change)
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type Operator interface {
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Operate(m Model, start, end Position, mtype MotionType) tea.Cmd
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// DoublePress handles dd, yy, cc (line-wise)
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DoublePress(m Model, count int) tea.Cmd
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}
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// Repeatable actions track count
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type Repeatable interface {
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WithCount(n int) Action
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}
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