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package term
import (
"github.com/gdamore/tcell/v2"
)
type Screen struct {
scr tcell.Screen
onResize func() bool
QuitC chan struct{}
}
func NewScreen() (*Screen, error) {
scr, err := tcell.NewScreen()
if err != nil{
return nil, err
}
err = scr.Init()
if err != nil{
return nil, err
}
return &Screen{
scr: scr,
QuitC: make(chan struct{}),
}, nil
}
func (scr *Screen) Close() {
scr.scr.Fini()
}
func (scr *Screen) Size() (int, int) {
return scr.scr.Size()
}
func (scr *Screen) Clear(style Style) {
scr.scr.SetStyle(tcell.Style(style))
scr.scr.Clear()
}
func (scr *Screen) OnResize(handler func() bool) {
scr.onResize = handler
}
func (scr *Screen) Show() {
scr.scr.Show()
}
func (scr *Screen) DoEventLoop() {
for {
scr.scr.Show()
ev := scr.scr.PollEvent()
switch ev := ev.(type) {
case *tcell.EventResize:
if scr.onResize != nil {
if quit := scr.onResize(); quit {
return
}
}
scr.scr.Sync()
case *tcell.EventKey:
if ev.Key() == tcell.KeyEscape || ev.Key() == tcell.KeyCtrlC || ev.Rune() == 'q' {
close(scr.QuitC)
return
}
scr.scr.Sync()
}
}
}
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