Gim/internal/action/action.go
Hayden Hargreaves db70ca39f1 feat: implementing vertical scrolling, tested
Heavy on the AI...
2026-02-12 22:40:17 -07:00

90 lines
1.6 KiB
Go

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