Add basic mouse support

examples/mouse/main.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"fmt"
+	"log"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+func main() {
+	p := tea.NewProgram(initialize, update, view)
+
+	p.EnterAltScreen()
+	defer p.ExitAltScreen()
+	p.EnableMouseAllMotion()
+	defer p.DisableMouseAllMotion()
+
+	if err := p.Start(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+type model struct {
+	init       bool
+	mouseEvent tea.MouseEvent
+}
+
+func initialize() (tea.Model, tea.Cmd) {
+	return model{}, nil
+}
+
+func update(msg tea.Msg, mdl tea.Model) (tea.Model, tea.Cmd) {
+	m, _ := mdl.(model)
+
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		if msg.Type == tea.KeyCtrlC || (msg.Type == tea.KeyRune && msg.Rune == 'q') {
+			return m, tea.Quit
+		}
+
+	case tea.MouseMsg:
+		m.init = true
+		m.mouseEvent = tea.MouseEvent(msg)
+	}
+
+	return m, nil
+}
+
+func view(mdl tea.Model) string {
+	m, _ := mdl.(model)
+
+	s := "Do mouse stuff. When you're done press q to quit.\n\n"
+
+	if m.init {
+		e := m.mouseEvent
+		s += fmt.Sprintf("(X: %d, Y: %d) %s", e.X, e.Y, e)
+	}
+
+	return s
+}