Maintain history; use state

tea.go

@@ -0,0 +1,63 @@
+package main
+
+import tea "github.com/charmbracelet/bubbletea"
+
+func (m model) Init() tea.Cmd {
+	return nil
+}
+
+func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+
+	case tea.KeyMsg:
+
+		switch msg.String() {
+
+		// Quitting
+		case "ctrl+c":
+			return m, tea.Quit
+
+		// Movement by cell
+		case "up", "w":
+			m.state.CursorCellUp()
+
+		case "down", "s":
+			m.state.CursorCellDown()
+
+		case "right", "d":
+			m.state.CursorCellRight()
+
+		case "left", "a":
+			m.state.CursorCellLeft()
+
+		// Movement by section
+		case "ctrl+up", "ctrl+w", "shift+up", "shift+w":
+			m.state.CursorSectionUp()
+
+		case "ctrl+down", "ctrl+s", "shift+down", "shift+s":
+			m.state.CursorSectionDown()
+
+		case "ctrl+right", "ctrl+d", "shift+right", "shift+d":
+			m.state.CursorSectionRight()
+
+		case "ctrl+left", "ctrl+a", "shift+left", "shift+a":
+			m.state.CursorSectionRight()
+
+		// Marking/flagging
+		case " ", "enter":
+			m.state.Mark()
+
+		case "x":
+			m.state.Flag()
+
+		case "delete", "backspace":
+			m.state.Clear()
+		}
+	}
+
+	return m, nil
+}
+
+func (m model) View() string {
+	return ""
+}