func appMain(driver gxui.Driver) {
theme := flags.CreateTheme(driver)
label := theme.CreateLabel()
label.SetText("This is a progress bar:")
progressBar := theme.CreateProgressBar()
progressBar.SetDesiredSize(math.Size{W: 400, H: 20})
progressBar.SetTarget(100)
layout := theme.CreateLinearLayout()
layout.AddChild(label)
layout.AddChild(progressBar)
layout.SetHorizontalAlignment(gxui.AlignCenter)
window := theme.CreateWindow(800, 600, "Progress bar")
window.SetScale(flags.DefaultScaleFactor)
window.AddChild(layout)
window.OnClose(driver.Terminate)
progress := 0
pause := time.Millisecond * 500
var timer *time.Timer
timer = time.AfterFunc(pause, func() {
driver.Call(func() {
progress = (progress + 3) % progressBar.Target()
progressBar.SetProgress(progress)
timer.Reset(pause)
})
})
}
func appMain(driver gxui.Driver) {
theme := flags.CreateTheme(driver)
font, err := driver.CreateFont(gxfont.Default, 75)
if err != nil {
panic(err)
}
window := theme.CreateWindow(380, 100, "Hi")
window.SetBackgroundBrush(gxui.CreateBrush(gxui.Gray50))
label := theme.CreateLabel()
label.SetFont(font)
label.SetText("Hello world")
window.AddChild(label)
ticker := time.NewTicker(time.Millisecond * 30)
go func() {
phase := float32(0)
for _ = range ticker.C {
c := gxui.Color{
R: 0.75 + 0.25*math.Cosf((phase+0.000)*math.TwoPi),
G: 0.75 + 0.25*math.Cosf((phase+0.333)*math.TwoPi),
B: 0.75 + 0.25*math.Cosf((phase+0.666)*math.TwoPi),
A: 0.50 + 0.50*math.Cosf(phase*10),
}
phase += 0.01
driver.Call(func() {
label.SetColor(c)
})
}
}()
window.OnClose(ticker.Stop)
window.OnClose(driver.Terminate)
}