fix: added gutter fix and basic scroll

Scrolling is pretty useless, but nice touch

cmd/gim/main.go

@@ -23,11 +23,13 @@ func main() {
 		prog = program.NewProgramBuilder().
 			EmptyProgram().
 			WithOpt(tea.WithAltScreen()).
+			WithOpt(tea.WithMouseCellMotion()).
 			Build()
 	} else {
 		prog = program.NewProgramBuilder().
 			FileProgram(args[0]).
 			WithOpt(tea.WithAltScreen()).
+			WithOpt(tea.WithMouseCellMotion()).
 			Build()
 	}
 

internal/editor/update.go

@@ -2,6 +2,7 @@ package editor
 
 import (
 	"git.gophernest.net/azpect/TextEditor/internal/core"
+	"git.gophernest.net/azpect/TextEditor/internal/motion"
 	tea "github.com/charmbracelet/bubbletea"
 )
 
@@ -49,6 +50,17 @@ func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			m.windows[i].Width = msg.Width
 		}
 
+	// TODO: This is not great, totally temporary. But I don't like vim's handling, so this is up to me
+	case tea.MouseMsg:
+		switch msg.Button {
+		case tea.MouseButtonWheelUp:
+			scrollAction := motion.ScrollUpPage{Divisor: 4} // Quarter page
+			cmd = scrollAction.Execute(m)
+		case tea.MouseButtonWheelDown:
+			scrollAction := motion.ScrollDownPage{Divisor: 4} // Quarter page
+			cmd = scrollAction.Execute(m)
+		}
+
 	case tea.KeyMsg:
 		// TODO: This needs to be removed, but for now its required for the tests.
 		// Ctrl+C always quits regardless of mode

internal/editor/view.go

@@ -2,6 +2,7 @@ package editor
 
 import (
 	"fmt"
+	"strconv"
 	"strings"
 
 	"git.gophernest.net/azpect/TextEditor/internal/core"
@@ -22,6 +23,10 @@ func (m Model) View() string {
 	styles := m.Styles()
 	options := win.Options
 
+	// Adjust gutter to fit line len
+	maxLineLen := len(strconv.Itoa(win.Buffer.LineCount()))
+	options.GutterSize = max(options.GutterSize, maxLineLen+2)
+
 	// Draw window
 	view := viewWindow(win, styles, options, m.Mode())