From 855e61c53c8a401c6f0be84a63808cb94cb19903 Mon Sep 17 00:00:00 2001
From: citrons <citrons@mondecitronne.com>
Date: Sat, 7 Jun 2025 14:57:04 -0500
Subject: channel list scrolling

---
 tui/scroll_state.go | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 tui/scroll_state.go

(limited to 'tui/scroll_state.go')

diff --git a/tui/scroll_state.go b/tui/scroll_state.go
new file mode 100644
index 0000000..75797b1
--- /dev/null
+++ b/tui/scroll_state.go
@@ -0,0 +1,43 @@
+package tui
+
+type ScrollState struct {
+	at string
+	offset int
+	absolute int
+	atFirst bool
+	atLast 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) 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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