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|
package main
import (
"fmt"
"os"
"os/exec"
tea "github.com/charmbracelet/bubbletea"
)
type editorFinishedMsg struct{ err error }
func openEditor() tea.Cmd {
editor := os.Getenv("EDITOR")
if editor == "" {
editor = "vim"
}
c := exec.Command(editor) //nolint:gosec
return tea.ExecProcess(c, func(err error) tea.Msg {
return editorFinishedMsg{err}
})
}
type model struct {
altscreenActive bool
err error
}
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() {
case "a":
m.altscreenActive = !m.altscreenActive
cmd := tea.EnterAltScreen
if !m.altscreenActive {
cmd = tea.ExitAltScreen
}
return m, cmd
case "e":
return m, openEditor()
case "ctrl+c", "q":
return m, tea.Quit
}
case editorFinishedMsg:
if msg.err != nil {
m.err = msg.err
return m, tea.Quit
}
}
return m, nil
}
func (m model) View() string {
if m.err != nil {
return "Error: " + m.err.Error() + "\n"
}
return "Press 'e' to open your EDITOR.\nPress 'a' to toggle the altscreen\nPress 'q' to quit.\n"
}
func main() {
m := model{}
if _, err := tea.NewProgram(m).Run(); err != nil {
fmt.Println("Error running program:", err)
os.Exit(1)
}
}
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