tins2020/container.go

package tins2020

import (
	"github.com/veandco/go-sdl2/sdl"
)

type Container struct {
	ControlBase

	Children []Control
}

func NewContainer() *Container {
	return &Container{}
}

func (c *Container) AddChild(child Control) {
	c.Children = append(c.Children, child)
}

func (c *Container) Arrange(ctx *Context, bounds Rectangle) {
	c.ControlBase.Arrange(ctx, bounds)
	for _, child := range c.Children {
		child.Arrange(ctx, bounds)
	}
}

func (c *Container) Handle(ctx *Context, event sdl.Event) bool {
	if c.ControlBase.Handle(ctx, event) {
		return true
	}
	for _, child := range c.Children {
		if child.Handle(ctx, event) {
			return true
		}
	}
	return false
}

func (c *Container) Init(ctx *Context) error {
	c.ControlBase.Init(ctx)

	for _, child := range c.Children {
		err := child.Init(ctx)
		if err != nil {
			return err
		}
	}
	return nil
}

func (c *Container) Render(ctx *Context) {
	c.ControlBase.Render(ctx)

	for _, child := range c.Children {
		child.Render(ctx)
	}
}