[sane-devel] [BUG] xcanimage: some buttons have to be disabled while scanning

[Henning Meier-Geinitz]

Hi,

On Thu, Oct 17, 2002 at 11:33:05PM +0200, Aurelien Jarno wrote:
> I said gamma for example, but the problem is also present for others 
> options such as "Scan Resolution".
> To reproduce that:
> 
> - Start a scan or a preview. 
> All options in Scan Mode (Scan resolution ans Scan mode) and in 
> Enhancement (Quality calibration, all Gamma options, Brightness, 
> Contrast, Geometry options) are disabled, you can't change them.
> 
> - Then in the Preferences menu, select "Length units" -> "millimeters"
> All options are enabled again, but if you try to change them xscanimage 
> return you "Failed to set value of option contrast: Device Busy"

I see. That one seems to depend on the backend, too. With the test or
gt68xx backends all options are removed and a similar message is
displayed immediately. Maybe xscanimage should just disable the menu
during scanning?

Bye,
  Henning