package termui import ( "fmt" "github.com/MichaelMure/go-term-text" "github.com/awesome-gocui/gocui" ) const msgPopupView = "msgPopupView" const msgPopupErrorTitle = "Error" type msgPopup struct { active bool title string message string } func newMsgPopup() *msgPopup { return &msgPopup{ message: "", } } func (ep *msgPopup) keybindings(g *gocui.Gui) error { if err := g.SetKeybinding(msgPopupView, gocui.KeySpace, gocui.ModNone, ep.close); err != nil { return err } if err := g.SetKeybinding(msgPopupView, gocui.KeyEnter, gocui.ModNone, ep.close); err != nil { return err } if err := g.SetKeybinding(msgPopupView, 'q', gocui.ModNone, ep.close); err != nil { return err } return nil } func (ep *msgPopup) layout(g *gocui.Gui) error { if !ep.active { return nil } maxX, maxY := g.Size() width := minInt(60, maxX) wrapped, lines := text.Wrap(ep.message, width-2) height := minInt(lines+1, maxY-3) x0 := (maxX - width) / 2 y0 := (maxY - height) / 2 v, err := g.SetView(msgPopupView, x0, y0, x0+width, y0+height, 0) if err != nil { if !gocui.IsUnknownView(err) { return err } v.Frame = true v.Autoscroll = true } v.Title = ep.title v.Clear() fmt.Fprintf(v, wrapped) if _, err := g.SetCurrentView(msgPopupView); err != nil { return err } return nil } func (ep *msgPopup) close(g *gocui.Gui, v *gocui.View) error { ep.active = false ep.message = "" return g.DeleteView(msgPopupView) } func (ep *msgPopup) Activate(title string, message string) { ep.active = true ep.title = title ep.message = message } func (ep *msgPopup) UpdateMessage(message string) { ep.message = message }