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Old 08-05-2019, 11:49 PM   #1
bgeer
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Linux & Calibre 3.46.0 - viewer starts up weird

Calibre 3.46.0 & Python 2.7.16. & Qt 5.9.6

No added plugins to Calibre

ebook-viewer starts .epub display with "crushed cover image" & blank space for Table of Commnents, Footnotes, & Bookmarks.

In order to properly display the cover image, I must:
o Display Table of Comments
o Resize Table of Comments space
o Dismiss Table of Comments [click on "X" upper-right corner of space

Exit ebook-viewer then restarts again as described above, not with a full cover image.

All other aspects of ebook-viewer appear to work as expected.

Same issue if viewer is started within Calibre or by /usr/bin/ebook-viewer script.

Calibre 3.40.1 exhibited same behavior as above.

Is there a config somewhere that governs the appearance of the ebook-viewer startup screen?

Now...my Linux distro is Slackware & my Calibre install is packaged by Alien Bob at www.slackware.com/~alien/slackbuilds. There are no doubt other code that could be creating this problem - my versions of Qt, Python, whatever.

Would also like to know if anyone else is encountering this problem. If other Linux users are not encountering this problem, don't worry about it - problem is likely my particular setup.

Much obliged for any thoughts, tho.

Cheers, Bob
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Old 08-06-2019, 12:13 AM   #2
kovidgoyal
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Use the official calibre binaries, this is caused by bugs in the Qt version your distro is using. The official calibre binaries come with their own Qt
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Old 08-06-2019, 09:13 PM   #3
bgeer
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Kovid, this is good advice of course. However, on one of my Linux computers I executed:

rm -rf ~/.config/calibre

and now ebook-viewer is behaving as expected. The Alien SlackBuild package I mentioned is very convenient for Slackware users so I will continue using it.

I am much obliged for your response. Indeed, thank you also for such a useful set of tools that Calibre represents. I have created several .epubs from [relatively] simple html pages that help me keep track of book series' "order to read" & short stories published on the web that I prefer to read on my tablet.

Best Wishes, Bob
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