implemented select line as an Action

cmd/micro/actions.go

@@ -458,6 +458,20 @@ func (v *View) EndOfLine(usePlugin bool) bool {
 	return true
 }
 
+// SelectLine selects the entire current line
+func (v *View) SelectLine(usePlugin bool) bool {
+	if usePlugin && !PreActionCall("SelectLine", v) {
+		return false
+	}
+
+	v.Cursor.SelectLine()
+
+	if usePlugin {
+		return PostActionCall("SelectLine", v)
+	}
+	return true
+}
+
 // SelectToStartOfLine selects to the start of the current line
 func (v *View) SelectToStartOfLine(usePlugin bool) bool {
 	if usePlugin && !PreActionCall("SelectToStartOfLine", v) {

cmd/micro/bindings.go

@@ -43,6 +43,7 @@ var bindingActions = map[string]func(*View, bool) bool{
 	"SelectWordLeft":        (*View).SelectWordLeft,
 	"DeleteWordRight":       (*View).DeleteWordRight,
 	"DeleteWordLeft":        (*View).DeleteWordLeft,
+	"SelectLine":            (*View).SelectLine,
 	"SelectToStartOfLine":   (*View).SelectToStartOfLine,
 	"SelectToEndOfLine":     (*View).SelectToEndOfLine,
 	"ParagraphPrevious":     (*View).ParagraphPrevious,

runtime/help/keybindings.md

@@ -156,6 +156,7 @@ MoveLinesUp
 MoveLinesDown
 DeleteWordRight
 DeleteWordLeft
+SelectLine
 SelectToStartOfLine
 SelectToEndOfLine
 InsertNewline