func CreateList(theme *Theme) gxui.List {
l := &List{}
l.Init(l, theme)
l.OnGainedFocus(l.Redraw)
l.OnLostFocus(l.Redraw)
l.SetPadding(math.CreateSpacing(2))
l.SetBorderPen(gxui.TransparentPen)
l.theme = theme
return l
}
func (o *BubbleOverlay) LayoutChildren() {
for _, child := range o.outer.Children() {
bounds := o.outer.Size().Rect().Contract(o.outer.Padding())
arrowPadding := math.CreateSpacing(o.arrowLength)
cm := child.Control.Margin()
cs := child.Control.DesiredSize(math.ZeroSize, bounds.Size().Contract(cm).Max(math.ZeroSize))
cr := cs.Expand(arrowPadding).EdgeAlignedFit(bounds, o.targetPoint).Contract(arrowPadding)
child.Layout(cr)
}
}
func appMain(driver gxui.Driver) {
theme := dark.CreateTheme(driver)
window := theme.CreateWindow(800, 600, "Polygon")
container := theme.CreateLinearLayout()
// texture := driver.CreateTexture(getImage(cacheDir, tweet.User.ProfileImageURL), 96)
f, err := os.Open("data/icont19.png")
if err != nil {
log.Fatalln(err)
}
defer f.Close()
im, _, err := image.Decode(f)
if err != nil {
log.Fatalln(err)
}
for i := 0; i < 100; i++ {
pict := theme.CreateImage()
texture := driver.CreateTexture(im, 96)
texture.SetFlipY(true)
pict.SetTexture(texture)
pict.SetExplicitSize(math.Size{32, 32})
pict.SetMargin(math.CreateSpacing(4))
container.AddChild(pict)
}
label := theme.CreateLabel()
label.SetText("hogehogehoge")
label.SetMargin(math.CreateSpacing(200))
container.AddChild(label)
window.OnClose(driver.Terminate)
window.AddChild(container)
gxui.EventLoop(driver)
}
func (i *Image) DesiredSize(min, max math.Size) math.Size {
s := max
switch i.scalingMode {
case gxui.ScalingExplicitSize:
s = i.explicitSize
case gxui.Scaling1to1:
switch {
case i.texture != nil:
s = i.texture.Size()
case i.canvas != nil:
s = i.canvas.Size()
}
}
return s.Expand(math.CreateSpacing(int(i.BorderPen().Width))).Clamp(min, max)
}
func CreateDropDownList(theme *Theme) gxui.DropDownList {
l := &DropDownList{}
l.Init(l, theme)
l.OnGainedFocus(l.Redraw)
l.OnLostFocus(l.Redraw)
l.List().OnAttach(l.Redraw)
l.List().OnDetach(l.Redraw)
l.OnMouseEnter(func(gxui.MouseEvent) {
l.SetBorderPen(theme.DropDownListOverStyle.Pen)
})
l.OnMouseExit(func(gxui.MouseEvent) {
l.SetBorderPen(theme.DropDownListDefaultStyle.Pen)
})
l.SetPadding(math.CreateSpacing(2))
l.SetBorderPen(theme.DropDownListDefaultStyle.Pen)
l.SetBackgroundBrush(theme.DropDownListDefaultStyle.Brush)
l.theme = theme
return l
}
func MainWindow(driver gxui.Driver) {
theme = dark.CreateTheme(driver)
fontData, err := ioutil.ReadFile("./fonts/Microsoft Yahei.ttf")
if err != nil {
log.Fatalf("error reading font: %v", err)
}
font, err := driver.CreateFont(fontData, 20)
if err != nil {
panic(err)
}
theme.SetDefaultFont(font)
headLayout := theme.CreateLinearLayout()
headLayout.SetSizeMode(gxui.Fill)
headLayout.SetHorizontalAlignment(gxui.AlignCenter)
headLayout.SetDirection(gxui.TopToBottom)
headLayout.SetSize(math.Size{W: 100, H: 50})
label := theme.CreateLabel()
label.SetMargin(math.CreateSpacing(10))
label.SetText("豆瓣FM红心歌单下载")
headLayout.AddChild(label)
bodyLayout := theme.CreateLinearLayout()
bodyLayout.SetSizeMode(gxui.Fill)
bodyLayout.SetHorizontalAlignment(gxui.AlignCenter)
bodyLayout.SetSize(math.Size{W: 100, H: 400})
bodyLayout.SetDirection(gxui.TopToBottom)
// bodyLayout.SetMargin(math.Spacing{T: 50})
userHint := theme.CreateLabel()
userHint.SetMargin(math.CreateSpacing(10))
userHint.SetText("用户名")
bodyLayout.AddChild(userHint)
usernameField := theme.CreateTextBox()
bodyLayout.AddChild(usernameField)
passHint := theme.CreateLabel()
passHint.SetMargin(math.CreateSpacing(10))
passHint.SetText("密码")
bodyLayout.AddChild(passHint)
passwordField := theme.CreateTextBox()
bodyLayout.AddChild(passwordField)
footLayout := theme.CreateLinearLayout()
footLayout.SetSizeMode(gxui.Fill)
footLayout.SetHorizontalAlignment(gxui.AlignCenter)
footLayout.SetDirection(gxui.TopToBottom)
// footLayout.SetMargin(math.Spacing{T: 450})
button := theme.CreateButton()
button.SetText("登录并下载")
button.OnClick(func(gxui.MouseEvent) {
user := usernameField.Text()
password := passwordField.Text()
if user == "" || password == "" {
return
}
label.SetText(user + "&" + password)
})
footLayout.AddChild(button)
window := theme.CreateWindow(600, 800, "豆瓣FM下载器")
window.SetBackgroundBrush(gxui.CreateBrush(gxui.White))
window.AddChild(headLayout)
window.AddChild(bodyLayout)
window.AddChild(footLayout)
window.OnClose(driver.Terminate)
window.SetPadding(math.Spacing{L: 10, T: 10, R: 10, B: 10})
}