Method SetImage

gui/tabbar.go:495–526

SetImage sets the optional image of the Tab header

(imgfile string)

// SetImage sets the optional image of the Tab header
func (tab *Tab) SetImage(imgfile string) error {

	// Remove previous icon if any
	if tab.icon != nil {
		tab.header.Remove(tab.icon)
		tab.icon.Dispose()
		tab.icon = nil
	}
	// Creates or updates image
	if tab.image == nil {
		// Creates image panel from file
		img, err := NewImage(imgfile)
		if err != nil {
			return err
		}
		tab.image = img
		tab.image.SetPaddingsFrom(&tab.styles.ImagePaddings)
		tab.header.Add(tab.image)
	} else {
		err := tab.image.SetImage(imgfile)
		if err != nil {
			return err
		}
	}
	// Scale image so its height is not greater than the Label height
	if tab.image.Height() > tab.label.Height() {
		tab.image.SetContentAspectHeight(tab.label.Height())
	}
	// Needs to recalculate all Tabs because this Tab width will change
	tab.tb.recalc()
	return nil
}

// SetPinned sets the tab pinned state.
// A pinned tab cannot be removed by the user because the close icon is not shown.