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 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 (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
}