56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package alui
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import (
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"opslag.de/schobers/allg5"
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"opslag.de/schobers/geom"
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)
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type Container struct {
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ControlBase
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Children []Control
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}
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func (c *Container) AddChild(child ...Control) {
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c.Children = append(c.Children, child...)
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}
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func (c *Container) DesiredSize(ctx *Context) geom.PointF32 {
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var size geom.PointF32
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for _, child := range c.Children {
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s := child.DesiredSize(ctx)
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if geom.IsNaN32(s.X) || geom.IsNaN32(size.X) {
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size.X = geom.NaN32()
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} else {
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size.X = geom.Max32(s.X, size.X)
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}
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if geom.IsNaN32(s.Y) || geom.IsNaN32(size.Y) {
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size.Y = geom.NaN32()
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} else {
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size.Y = geom.Max32(s.Y, size.Y)
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}
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}
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return size
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}
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func (c *Container) Handle(e allg5.Event) {
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c.ControlBase.Handle(e)
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for _, child := range c.Children {
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child.Handle(e)
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}
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}
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func (c *Container) Layout(ctx *Context, bounds geom.RectangleF32) {
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c.ControlBase.Layout(ctx, bounds)
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for _, child := range c.Children {
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child.Layout(ctx, bounds)
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}
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}
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func (c *Container) Render(ctx *Context, bounds geom.RectangleF32) {
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c.ControlBase.Render(ctx, bounds)
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for _, child := range c.Children {
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child.Render(ctx, bounds)
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}
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}
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