54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
package objects
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import "git.tebibyte.media/tomo/tomo"
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import "git.tebibyte.media/tomo/tomo/data"
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import "git.tebibyte.media/tomo/tomo/canvas"
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var _ tomo.Object = new(MimeIcon)
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// MimeIcon displays an icon of a MIME type.
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type MimeIcon struct {
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box tomo.Box
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mime data.Mime
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size tomo.IconSize
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}
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// NewMimeIcon creates a new icon from a MIME type.
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func NewMimeIcon (mime data.Mime, size tomo.IconSize) *MimeIcon {
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mimeIcon := &MimeIcon {
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box: tomo.NewBox(),
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}
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mimeIcon.box.SetRole(tomo.R("objects", "MimeIcon"))
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mimeIcon.SetIcon(mime, size)
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mimeIcon.box.OnIconSetChange(mimeIcon.handleIconSetChange)
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return mimeIcon
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}
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// GetBox returns the underlying box.
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func (this *MimeIcon) GetBox () tomo.Box {
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return this.box
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}
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// SetIcon sets the MIME type and size of the icon.
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func (this *MimeIcon) SetIcon (mime data.Mime, size tomo.IconSize) {
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if this.mime == mime && this.size == size { return }
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this.mime = mime
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this.size = size
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this.setTexture(tomo.MimeIconTexture(mime, size))
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}
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func (this *MimeIcon) handleIconSetChange () {
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this.setTexture(tomo.MimeIconTexture(this.mime, this.size))
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}
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func (this *MimeIcon) setTexture (texture canvas.Texture) {
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this.box.SetAttr(tomo.ATexture(texture))
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this.box.SetAttr(tomo.ATextureMode(tomo.TextureModeCenter))
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if texture == nil {
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this.box.SetAttr(tomo.AMinimumSize(0, 0))
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} else {
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bounds := texture.Bounds()
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this.box.SetAttr(tomo.AttrMinimumSize(bounds.Max.Sub(bounds.Min)))
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}
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}
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