interfaces

type Application interface {
	Windows() []Window
	CreateWindow(string, string) Window
	FindWindow(Window) Window
	KillWindow(Window)
}

type Buffer interface {
	Mode() EditorMode
	GetLines() *linearray.LineArray
	Point() linearray.Loc
	Mark() linearray.Loc
	SetPoint(linearray.Loc)
	SetMark(linearray.Loc)
	ScrollPosition() int
	SetScrollPosition(int)
	LinesInDisplay() int
	SetLinesInDisplay(int)
	TakeSnapshot(bool)
	Undo()
	Redo()
}

type BufferFactory interface {
	NewScratchBuffer() Buffer
}

type Clipboard interface {
	GetData() string
	SetData(string)
}

type ClipboardProvider interface {
	Get() Clipboard
}

type Command interface {
	Aliases() []string
	Execute(Window, []string) error
	Complete(Window, []string) []string
}

type Commands map[string]Command

type EditorMode interface {
	Name() string
	ExecuteCommand(w Window, key *input.KeyPressInfo) error
	GetBufferStyle() *theme.BufferThemeStyle
	GetLineStyle(int) *theme.LineThemeStyle
	GetCharacterStyle(int, int) *theme.CharacterThemeStyle
}

type EditorModeFactory interface {
	Create() EditorMode
}

type NoSuchCommand string

type Window interface {
	OpenBuffer() Buffer
	Clipboard() Clipboard
}