objects/icon.go

package objects

import "git.tebibyte.media/tomo/tomo"

// Icon displays a single icon.
type Icon struct {
	tomo.Box
}

func iconSizeString (size tomo.IconSize) string {
	switch size {
	case tomo.IconSizeLarge:  return "large"
	case tomo.IconSizeMedium: return "medium"
	default:                  return "small"
	}
}

// NewIcon creates a new icon from an icon ID.
func NewIcon (icon tomo.Icon, size tomo.IconSize) *Icon {
	this := &Icon {
		Box: tomo.NewBox(),
	}
	this.SetRole(tomo.R("objects", "Icon"))
	this.SetIcon(icon, size)
	return this
}

// SetIcon sets the icon.
func (this *Icon) SetIcon (icon tomo.Icon, size tomo.IconSize) {
	iconTexture := icon.Texture(size)
	bounds := iconTexture.Bounds()
	this.SetAttr(tomo.AIcon(icon, size))
	this.SetAttr(tomo.AMinimumSize(bounds.Dx(), bounds.Dy()))
	this.SetTag(iconSizeString(size), true)
}