func appMain(driver gxui.Driver) {
theme := dark.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 := dark.CreateTheme(driver)
window := theme.CreateWindow(ANIMATION_WIDTH, 2*ANIMATION_HEIGHT, "Pendulum")
window.SetBackgroundBrush(gxui.CreateBrush(gxui.Gray50))
image := theme.CreateImage()
ticker := time.NewTicker(time.Millisecond * 15)
pendulum := &mathematicalPendulum{}
pendulum2 := &numericalPendulum{PHI_ZERO, 0.0, 0.0, time.Time{}}
go func() {
for _ = range ticker.C {
canvas := driver.CreateCanvas(math.Size{ANIMATION_WIDTH, 2 * ANIMATION_HEIGHT})
canvas.Clear(gxui.White)
draw(pendulum, canvas, 0, 0)
draw(pendulum2, canvas, 0, ANIMATION_HEIGHT)
canvas.Complete()
driver.Call(func() {
image.SetCanvas(canvas)
})
}
}()
window.AddChild(image)
window.OnClose(ticker.Stop)
window.OnClose(driver.Terminate)
}
func appMain(driver gxui.Driver) {
theme = light.CreateTheme(driver)
window = theme.CreateWindow(800, 600, "Snake")
playGround = field.Create(800, 600, 20, 20)
sn = snake.Create(math.Point{X: 380, Y: 200}, math.Point{X: 380, Y: 280}, 20)
drawScene(driver)
fmt.Println(sn.Direction())
window.OnKeyUp(func(event gxui.KeyboardEvent) {
dir := sn.Direction()
key := event.Key
switch {
case key == gxui.KeyRight && dir == snake.Top:
sn.TurnRight()
case key == gxui.KeyRight && dir == snake.Bottom:
sn.TurnLeft()
case key == gxui.KeyLeft && dir == snake.Top:
sn.TurnLeft()
case key == gxui.KeyLeft && dir == snake.Bottom:
sn.TurnRight()
case key == gxui.KeyUp && dir == snake.Left:
sn.TurnRight()
case key == gxui.KeyUp && dir == snake.Right:
sn.TurnLeft()
case key == gxui.KeyDown && dir == snake.Left:
sn.TurnLeft()
case key == gxui.KeyDown && dir == snake.Right:
sn.TurnRight()
}
})
ticker := time.NewTicker(time.Millisecond * 200)
go func() {
for _ = range ticker.C {
driver.Call(func() {
(&sn).Move()
drawScene(driver)
})
}
}()
window.OnClose(func() {
driver.Terminate()
ticker.Stop()
})
}
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)
}
func appMain(driver gxui.Driver) {
theme := flags.CreateTheme(driver)
font, err := driver.CreateFont(gxfont.Default, 75)
if err != nil {
panic(err)
}
window := theme.CreateWindow(800, 480, "Привет")
window.SetBackgroundBrush(gxui.CreateBrush(gxui.Gray50))
window.SetBorderPen(gxui.Pen{Width: 5, Color: gxui.Yellow})
f, err := os.Open("wallpaper.jpg")
if err != nil {
fmt.Printf("Failed to open image %v\n", err)
os.Exit(1)
}
source, _, err := image.Decode(f)
if err != nil {
fmt.Printf("Failed to open image %v\n", err)
os.Exit(2)
}
wallpaper := theme.CreateImage()
window.AddChild(wallpaper)
// Copy the image to a RGBA format before handing to a gxui.Texture
rgba := image.NewRGBA(source.Bounds())
draw.Draw(rgba, source.Bounds(), source, image.ZP, draw.Src)
texture := driver.CreateTexture(rgba, 1)
wallpaper.SetTexture(texture)
layout := theme.CreateLinearLayout()
layout.SetDirection(gxui.TopToBottom)
window.AddChild(layout)
label := theme.CreateLabel()
label.SetFont(font)
label.SetText("Здравствуй мир")
label.OnMouseMove(func(e gxui.MouseEvent) {
fmt.Printf("X=%d; Y=%d\n", e.Point.X, e.Point.Y)
})
layout.AddChild(label)
lTimer := theme.CreateLabel()
lTimer.SetFont(font)
lTimer.SetColor(gxui.Green30)
layout.AddChild(lTimer)
button := theme.CreateButton()
button.SetText("Exit")
button.SetPadding(math.Spacing{20, 10, 20, 10})
button.SetMargin(math.Spacing{20, 10, 20, 10})
button.OnClick(func(e gxui.MouseEvent) {
window.Close()
})
layout.AddChild(button)
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)
})
}
}()
ticker2 := time.NewTicker(time.Millisecond * 100)
go func() {
for t := range ticker.C {
driver.Call(func() {
lTimer.SetText(t.Format(time.Stamp))
})
}
}()
window.OnClose(ticker.Stop)
window.OnClose(ticker2.Stop)
window.OnClose(driver.Terminate)
}
