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package tui
type ScrollState struct {
at string
offset int
absolute int
atFirst bool
atLast bool
NoSnap bool
}
func (s *ScrollState) ToStart() {
*s = ScrollState {}
}
func (s *ScrollState) AtFirst() bool {
return s.atFirst
}
func (s *ScrollState) AtLast() bool {
return s.atLast
}
func (s *ScrollState) Scroll(amnt int) {
s.offset += amnt
s.absolute += amnt
}
func (s *ScrollState) To(id string) {
s.at = id
s.offset = -5
}
func (s *ScrollState) ByMouse(ev MouseEvent, reverse bool) {
scroll := ev.Scroll * 5
if reverse {
scroll *= -1
}
s.Scroll(scroll)
}
func (s *ScrollState) Get() int {
return s.absolute
}
func (s *ScrollState) Set(amnt int) {
s.at = ""
s.absolute = amnt
}
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