Re: printing, default printer

[Ivan Vučica]

Hi,

that definitely sounds like it should work without a printer. Maybe the way PS file is generated is causing trouble?

On Wed, Dec 14, 2011 at 21:44, Eric Wasylishen <ewasylishen@gmail.com> wrote:

Hi,

The print dialog needs some work. 

However, last time I checked, it is possible to save a PDF with the "save" button - you just have to save to a filename ending in .pdf, and be using the cairo backend. Also, saving to a .ps file should produce a PostScript file with either the cairo or libart backend; not sure about other backends.

Pressing "preview" saves a PostScript file and does the following with it (GSPrintOperation.m):

      /* Check to see if there is a GNUstep app that can preview PS files.

      It's not likely at this point, so also check for a standards

      previewer, like gv.

      */

      NSTask *task;

      NSString *preview;

      NSWorkspace *ws = [NSWorkspace sharedWorkspace];

      [[self printPanel] _setStatusStringValue: @"Opening in previewer..."];

      

      preview = [ws getBestAppInRole: @"Viewer" 

                        forExtension: @"ps"];

      if (preview)

        {

          [ws openFile: _path withApplication: preview];

        }

      else

        {

          NSUserDefaults *def = [NSUserDefaults standardUserDefaults];

          preview = [def objectForKey: @"NSPreviewApp"];

          

 if (preview == nil || [preview length] == 0)

   preview = @"gv";

            

 NS_DURING

   {

     task = AUTORELEASE([NSTask new]);

     [task setLaunchPath: preview];

     [task setArguments: [NSArray arrayWithObject: _path]];

     [task launch];

   }

  ...

Once Julian's NSWorkspace patch is integrated we should be able to simplify that to just [ws openFile: _path]; and let NSWorkspace pick a non-GNUstep application if there is no GS pdf/ps viewer.

-Eric

On 2011-12-14, at 1:23 PM, Ivan Vučica wrote:

OS X creates a PDF to produce a print preview, then opens it in Preview.app. What does GNUstep do? Is producing a PDF/PostScript viable? Is it a good idea?

On Wed, Dec 14, 2011 at 12:19, Riccardo Mottola <riccardo.mottola@libero.it> wrote:

Hello,

I want to print-preview a document. I'm on OpenBSD, cups is installed, but no printer is  configured.

I use Print ... -> "preview".

The only printer I see is "Unnamed". That's fine I think, I suppose I should be able to preview  a document without having any printer installed.

When I do preview, I get "nothing". The same happens if choose "Save".

In the console I see:

lpr: Unnamed: unknown printer

What could be wrong? I think to remember that we used to have a "Dummy printer". But perhaps that was on another operating system or another cups version? I'm unsure.

Riccardo

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Ivan Vučica - ivan@vucica.net

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