Calibre 3 not applying GTK theme (Linux Mint)

armaggedon51 · 06-17-2017, 12:14 AM

Calibre 3 on Linux Mint Cinnamon 17.3 and 18.1/.2 seems to be working fine however the program does not apply the current system theming (Gtk). Previous versions were fine.

Tx

kovidgoyal · 06-17-2017, 12:40 AM

Read the backward incompatibilities section here: https://calibre-ebook.com/new-in/twelve

armaggedon51 · 06-17-2017, 12:47 AM

Ok thanks, I read the part. I would like to try that variable ;
CALIBRE_USE_SYSTEM_THEME

I am not sure how to set it up. Could show me a bit please ?
Tx

kovidgoyal · 06-17-2017, 01:17 AM

In a terminal, run

CALIBRE_USE_SYSTEM_THEME=1 calibre

armaggedon51 · 06-17-2017, 08:50 AM

I will test it more, but so far, it looks fine for me Kovid. The theme is applied correctly. The only minor anomaly is the description text, background colour of each book (right pane) which vary from book to book. It may even have been there in version 2, I don't remember. No big deal.

I get a few of those on startup but strangely not in Mint 18.1. They are just warnings.

>CALIBRE_USE_SYSTEM_THEME=1 calibre
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: cHRM chunk does not match sRGB
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: cHRM chunk does not match sRGB

Since that variable has to be set every time I start Calibre, how can I make it permanent ? I know I can make a startup script but that's annoying.

I hope that future versions won't need this, not to regress from what we had in previous versions.

Thank you very much !
Btw really outstanding program.

kovidgoyal · 06-17-2017, 09:04 AM

If it works for you, great. But I cannot enable something that I know causes crashes. For people willing to live with the risk, the env var exists. You want to ake it permanent, just add it whatever mechanism your desktop environment has for setting env vars.

armaggedon51 · 06-17-2017, 10:53 AM

Ok then but calibre never crash on me once for years. Not related to calibre but may be helpful for others, I found this easy method to set the variable in Linux Mint permanently. Create a file in "/etc/profile.d" called "calibre.sh" which simply contain ;

export CALIBRE_USE_SYSTEM_THEME=1

Log OUT/IN or reboot. Voila.

Tx

06-17-2017, 12:14 AM	#1
armaggedon51 Member Posts: 10 Karma: 10 Join Date: May 2012 Device: aluratek libre reader pro	Calibre 3 not applying GTK theme (Linux Mint) Calibre 3 on Linux Mint Cinnamon 17.3 and 18.1/.2 seems to be working fine however the program does not apply the current system theming (Gtk). Previous versions were fine. Tx

06-17-2017, 10:53 AM	#7
armaggedon51 Member Posts: 10 Karma: 10 Join Date: May 2012 Device: aluratek libre reader pro	Ok then but calibre never crash on me once for years. Not related to calibre but may be helpful for others, I found this easy method to set the variable in Linux Mint permanently. Create a file in "/etc/profile.d" called "calibre.sh" which simply contain ; export CALIBRE_USE_SYSTEM_THEME=1 Log OUT/IN or reboot. Voila. Tx Last edited by armaggedon51; 06-17-2017 at 02:08 PM.

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06-17-2017, 12:40 AM	#2
kovidgoyal creator of calibre Posts: 44,413 Karma: 23977332 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Read the backward incompatibilities section here: https://calibre-ebook.com/new-in/twelve

06-17-2017, 12:47 AM	#3
armaggedon51 Member Posts: 10 Karma: 10 Join Date: May 2012 Device: aluratek libre reader pro	Ok thanks, I read the part. I would like to try that variable ; CALIBRE_USE_SYSTEM_THEME I am not sure how to set it up. Could show me a bit please ? Tx

06-17-2017, 01:17 AM	#4
kovidgoyal creator of calibre Posts: 44,413 Karma: 23977332 Join Date: Oct 2006 Location: Mumbai, India Device: Various	In a terminal, run CALIBRE_USE_SYSTEM_THEME=1 calibre

06-17-2017, 08:50 AM	#5
armaggedon51 Member Posts: 10 Karma: 10 Join Date: May 2012 Device: aluratek libre reader pro	I will test it more, but so far, it looks fine for me Kovid. The theme is applied correctly. The only minor anomaly is the description text, background colour of each book (right pane) which vary from book to book. It may even have been there in version 2, I don't remember. No big deal. I get a few of those on startup but strangely not in Mint 18.1. They are just warnings. >CALIBRE_USE_SYSTEM_THEME=1 calibre libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: cHRM chunk does not match sRGB libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: cHRM chunk does not match sRGB Since that variable has to be set every time I start Calibre, how can I make it permanent ? I know I can make a startup script but that's annoying. I hope that future versions won't need this, not to regress from what we had in previous versions. Thank you very much ! Btw really outstanding program.

06-17-2017, 09:04 AM	#6
kovidgoyal creator of calibre Posts: 44,413 Karma: 23977332 Join Date: Oct 2006 Location: Mumbai, India Device: Various	If it works for you, great. But I cannot enable something that I know causes crashes. For people willing to live with the risk, the env var exists. You want to ake it permanent, just add it whatever mechanism your desktop environment has for setting env vars.

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