Feature Request: limit viewer windows to one instance only.

Belfaborac · 04-22-2012, 02:29 PM

Hopefully this is a simple request to implement.

Basically I would very much like to see a tick box in the viewer config which give me the choice of limiting the viewer to a single instance. In other words, all books are opened in the same window, rather than each new book opening a separate window.

kovidgoyal · 04-23-2012, 12:02 AM

Why ?

DoctorOhh · 04-23-2012, 02:01 AM

Yesterday I was messing around with the Cover Browser and clicked on a book to open it. I didn't see an immediate response so I figured it must need a double click and I tried again. Directly after that I had three instances of the same book opened in three different viewing windows. If I had the tweak mentioned by the OP I could have protected me from myself.

Also if I was doing eyeball checks of my books one after the other you wouldn't need to keep closing the viewer windows as you go.

kovidgoyal · 04-23-2012, 02:20 AM

This is actually far from simple to implement. You'd need to implement some form of IPC in the viewer process and global locking. While that's certainly do-able (it's done in the main GUI), it's not easy to do.

theducks · 04-23-2012, 09:51 AM

My 2p

I sometimes open 2 Viewers at the same time to compare how Calibre displays (different file) versions. If this Is implemented: optional, please.

itimpi · 04-23-2012, 10:22 AM

I am torn both ways. Ideally I would like the default behavior to be to re-use the same viwer, but still have a way of opening a particular book in another viewer instance if I want.

K. Molen · 04-23-2012, 10:52 AM

I'd definitely check that box if something like this was implemented, but since it's apparently a difficult thing to do I think my "vote" would be to leave it alone and focus on other improvements.

kovidgoyal · 04-23-2012, 02:05 PM

It will certainly be an option if I do implement it. Go ahead and open a bug report asking for the enhancement. I'll get to it eventually.

04-22-2012, 02:29 PM	#1
Belfaborac Wizard Posts: 1,498 Karma: 5199835 Join Date: May 2010 Location: Norway Device: Sony PRS-505, PRS-950	Feature Request: limit viewer windows to one instance only. Hopefully this is a simple request to implement. Basically I would very much like to see a tick box in the viewer config which give me the choice of limiting the viewer to a single instance. In other words, all books are opened in the same window, rather than each new book opening a separate window.

04-23-2012, 02:01 AM	#3
DoctorOhh US Navy, Retired Posts: 9,864 Karma: 13806776 Join Date: Feb 2009 Location: North Carolina Device: Icarus Illumina XL HD, Nexus 7	Yesterday I was messing around with the Cover Browser and clicked on a book to open it. I didn't see an immediate response so I figured it must need a double click and I tried again. Directly after that I had three instances of the same book opened in three different viewing windows. If I had the tweak mentioned by the OP I could have protected me from myself. Also if I was doing eyeball checks of my books one after the other you wouldn't need to keep closing the viewer windows as you go. Last edited by DoctorOhh; 04-23-2012 at 02:04 AM.

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04-23-2012, 12:02 AM	#2
kovidgoyal creator of calibre Posts: 43,858 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Why ?

04-23-2012, 02:20 AM	#4
kovidgoyal creator of calibre Posts: 43,858 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	This is actually far from simple to implement. You'd need to implement some form of IPC in the viewer process and global locking. While that's certainly do-able (it's done in the main GUI), it's not easy to do.

04-23-2012, 09:51 AM	#5
theducks Well trained by Cats Posts: 29,801 Karma: 54830978 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A	My 2p I sometimes open 2 Viewers at the same time to compare how Calibre displays (different file) versions. If this Is implemented: optional, please.

04-23-2012, 10:22 AM	#6
itimpi Wizard Posts: 4,552 Karma: 950151 Join Date: Nov 2008 Device: Sony PRS-950, iphone/ipad (Marvin/iBooks/QuickReader)	I am torn both ways. Ideally I would like the default behavior to be to re-use the same viwer, but still have a way of opening a particular book in another viewer instance if I want.

04-23-2012, 10:52 AM	#7
K. Molen Addict Posts: 284 Karma: 4478866 Join Date: Jul 2011 Location: Toronto, ON Device: Kindle 3, iPad 3, Nexus 10, Nexus 5	I'd definitely check that box if something like this was implemented, but since it's apparently a difficult thing to do I think my "vote" would be to leave it alone and focus on other improvements.

04-23-2012, 02:05 PM	#8
kovidgoyal creator of calibre Posts: 43,858 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	It will certainly be an option if I do implement it. Go ahead and open a bug report asking for the enhancement. I'll get to it eventually.

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