// Load loads an applet or theme in the preview. Handbooker and Appleter can be used.
//
func (widget *Preview) Load(pack Previewer) {
widget.title.SetMarkup(common.Big(common.Bold(pack.GetTitle())))
author := pack.GetAuthor()
if author != "" {
author = fmt.Sprintf(tran.Slate("by %s"), author)
}
widget.author.SetMarkup(common.Small(common.Mono(author)))
apl, ok := pack.(Appleter)
if ok {
widget.stateText.SetMarkup(apl.FormatState())
widget.size.SetMarkup(common.Small(apl.FormatSize()))
if icon := apl.IconState(); icon != "" {
if pixbuf, e := common.PixbufAtSize(icon, 24, 24); !widget.log.Err(e, "Load image pixbuf") {
widget.stateIcon.SetFromPixbuf(pixbuf)
widget.stateIcon.Show()
}
}
}
// widget.RemoveTmpFile()
widget.previewFrame.Hide() // Hide the preview frame until we have an image.
// Async calls for description and image. They can have to be downloaded and be slow at it.
chDesc := make(chan (string))
go func() { // Go routines to get data.
chDesc <- pack.GetDescription()
}()
go func() {
imageLocation := pack.GetPreviewFilePath()
// imageLocation, isTemp := pack.GetPreview(widget.TmpFile) // reuse the same tmp location if needed.
desc := <-chDesc
glib.IdleAdd(func() { // glib Idle to show the result.
widget.description.SetMarkup(desc)
widget.setImage(imageLocation)
})
}()
}
// SetPackage fills the handbook data with a package.
//
func (widget *Handbook) SetPackage(book datatype.Handbooker) {
title := common.Bold(common.Big(book.GetTitle()))
if widget.ShowVersion {
title += " v" + book.GetModuleVersion()
}
widget.title.SetMarkup(title)
author := book.GetAuthor()
if author != "" {
author = fmt.Sprintf("by %s", author)
widget.author.SetMarkup(common.Small(common.Mono(author)))
}
widget.author.SetVisible(author != "")
widget.description.SetMarkup("<span rise='8000'>" + book.GetDescription() + "</span>")
previewFound := false
defer func() { widget.previewFrame.SetVisible(previewFound) }()
file := book.GetPreviewFilePath()
if file == "" {
return
}
_, w, h := gdk.PixbufGetFileInfo(file)
var pixbuf *gdk.Pixbuf
var e error
if w > PreviewSizeMax || h > PreviewSizeMax {
pixbuf, e = gdk.PixbufNewFromFileAtScale(file, PreviewSizeMax, PreviewSizeMax, true)
} else {
pixbuf, e = gdk.PixbufNewFromFile(file)
}
if e == nil && pixbuf != nil {
previewFound = true
widget.previewImage.SetFromPixbuf(pixbuf)
}
}