zntg/ui/containerbase.go

56 lines
1.1 KiB
Go

package ui
import (
"opslag.de/schobers/geom"
)
type ContainerBase struct {
ControlBase
Children []Control
}
func BuildContainerBase(controls ...Control) ContainerBase {
return ContainerBase{
Children: controls,
}
}
func (c *ContainerBase) AddChild(child ...Control) {
c.Children = append(c.Children, child...)
}
func (c *ContainerBase) Arrange(ctx Context, bounds geom.RectangleF32, offset geom.PointF32, parent Control) {
for _, child := range c.Children {
child.Arrange(ctx, bounds, offset, c)
}
c.ControlBase.Arrange(ctx, bounds, offset, parent)
}
func (c *ContainerBase) DesiredSize(ctx Context, size geom.PointF32) geom.PointF32 {
var max geom.PointF32
for _, child := range c.Children {
s := child.DesiredSize(ctx, size)
max = geom.MaxPtF32(max, s)
}
return max
}
func (c *ContainerBase) Handle(ctx Context, e Event) bool {
if c.ControlBase.Handle(ctx, e) {
return true
}
for _, child := range c.Children {
if child.Handle(ctx, e) {
return true
}
}
return false
}
func (c *ContainerBase) Render(ctx Context) {
c.RenderBackground(ctx)
for _, child := range c.Children {
child.Render(ctx)
}
}