Bug 2173935 - Missing fontconfig definition causes Qt applications to not pick up noto color emoji
Summary: Missing fontconfig definition causes Qt applications to not pick up noto colo...
Keywords:
Status: CLOSED DUPLICATE of bug 1954359
Alias: None
Product: Fedora
Classification: Fedora
Component: google-noto-emoji-fonts
Version: 38
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Peng Wu
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks: F38BetaFreezeException
TreeView+ depends on / blocked
 
Reported: 2023-02-28 13:12 UTC by Neal Gompa
Modified: 2023-03-01 17:46 UTC (History)
3 users (show)

Fixed In Version:
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Clone Of:
: 2173936 (view as bug list)
Environment:
Last Closed: 2023-03-01 17:46:05 UTC
Type: Bug
Embargoed:


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Links
System ID Private Priority Status Summary Last Updated
Fedora Package Sources google-noto-emoji-fonts pull-request 9 0 None None None 2023-03-01 05:31:22 UTC
Fedora Pagure fedora-kde/SIG issue 194 0 None None None 2023-02-28 13:12:18 UTC

Description Neal Gompa 2023-02-28 13:12:18 UTC
Description of problem:
For Qt applications, Noto Color emoji doesn't get used because the fontconfig definition to set this up doesn't exist.

Version-Release number of selected component (if applicable):
20220916-3.fc38

How reproducible:
Always

Steps to Reproduce:
1. Install any Qt based application with an emoji picker (e.g. NeoChat)
2. Use it

Actual results:
The application shows only black and white emoji.

Expected results:
The application shows color emoji.

Comment 2 Fedora Blocker Bugs Application 2023-02-28 13:19:23 UTC
Proposed as a Freeze Exception for 38-beta by Fedora user ngompa using the blocker tracking app because:

 Having emoji work correctly out of the box on KDE Plasma is important given how often emoji show up in stuff now.

Comment 3 Neal Gompa 2023-02-28 17:06:24 UTC
Also a pull request submitted for F37: https://src.fedoraproject.org/rpms/google-noto-emoji-fonts/pull-request/11

Comment 4 Peng Wu 2023-03-01 05:31:22 UTC
There are some comments from the following PR.

URL: https://src.fedoraproject.org/rpms/google-noto-emoji-fonts/pull-request/9

Comment 5 Adam Williamson 2023-03-01 17:46:05 UTC
Editing the description in line with Akira's comments. There is no "missing" definition; there are definitions for the emoji family, with fallback through several fonts with Noto Color Emoji at the top, in /etc/fonts/conf.d/45-generic.conf . It is qt's problem that it apparently does not handle the 'emoji' family. 

This was already reported and the same incorrect proposed fix discussed, so closing as a dupe.

*** This bug has been marked as a duplicate of bug 1954359 ***


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