setProgressBar
fun setProgressBar(state: ProgressBarState): ERROR CLASS: Symbol not found for js.promise.Promise<ERROR CLASS: Symbol not found for js.core.Void>(source)
Sets the taskbar progress state.
Platform-specific
Linux / macOS: Progress bar is app-wide and not specific to this window.
Linux: Only supported desktop environments with
libunity(e.g. GNOME).
Return
A promise indicating the success or failure of the operation.