go-prompt/emacs.go

84 lines
1.6 KiB
Go

package prompt
var emacsKeyBindings = []KeyBind {
// Go to the End of the line
{
Key: ControlE,
Fn: func(buf *Buffer) *Buffer {
x := []rune(buf.Document().TextAfterCursor())
buf.CursorRight(len(x))
return buf
},
},
// Go to the beginning of the line
{
Key: ControlA,
Fn: func(buf *Buffer) *Buffer {
x := []rune(buf.Document().TextBeforeCursor())
buf.CursorLeft(len(x))
return buf
},
},
// Cut the Line after the cursor
{
Key: ControlK,
Fn: func(buf *Buffer) *Buffer {
x := []rune(buf.Document().TextAfterCursor())
buf.Delete(len(x))
return buf
},
},
// Cut/delete the Line before the cursor
{
Key: ControlU,
Fn: func(buf *Buffer) *Buffer {
x := []rune(buf.Document().TextBeforeCursor())
buf.DeleteBeforeCursor(len(x))
return buf
},
},
// Delete character under the cursor
{
Key: ControlD,
Fn: func(buf *Buffer) *Buffer {
if buf.Text() == "" {
return buf // This means just exit.
}
buf.Delete(1)
return buf
},
},
// Backspace
{
Key: ControlH,
Fn: func(buf *Buffer) *Buffer {
buf.DeleteBeforeCursor(1)
return buf
},
},
// Right allow: Forward one character
{
Key: ControlF,
Fn: func(buf *Buffer) *Buffer {
buf.CursorRight(1)
return buf
},
},
// Left allow: Backward one character
{
Key: ControlB,
Fn: func(buf *Buffer) *Buffer {
buf.CursorLeft(1)
return buf
},
},
// Cut the Word before the cursor.
{
Key: ControlW,
Fn: func(buf *Buffer) *Buffer {
buf.DeleteBeforeCursor(len([]rune(buf.Document().GetWordBeforeCursor())))
return buf
},
},
}