// Flush updates the gui, re-drawing frames and buffers.
func (g *Gui) Flush() error {
if g.layout == nil {
return errors.New("Null layout")
}
termbox.Clear(termbox.Attribute(g.FgColor), termbox.Attribute(g.BgColor))
g.maxX, g.maxY = termbox.Size()
if err := g.layout(g); err != nil {
return err
}
for _, v := range g.views {
if err := g.drawFrame(v); err != nil {
return err
}
if err := g.draw(v); err != nil {
return err
}
}
if err := g.drawIntersections(); err != nil {
return err
}
termbox.Flush()
return nil
}
// Init initializes the library. This function must be called before
// any other functions.
func (g *Gui) Init() error {
if err := termbox.Init(); err != nil {
return err
}
g.events = make(chan termbox.Event, 20)
g.maxX, g.maxY = termbox.Size()
g.BgColor = ColorBlack
g.FgColor = ColorWhite
return nil
}