[Webkit-unassigned] [Bug 280443] New: Cursor movement and edit with Kannada text
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Sep 26 16:12:23 PDT 2024
https://bugs.webkit.org/show_bug.cgi?id=280443
Bug ID: 280443
Summary: Cursor movement and edit with Kannada text
Product: WebKit
Version: WebKit Nightly Build
Hardware: All
OS: All
Status: NEW
Severity: Blocker
Priority: P2
Component: Text
Assignee: webkit-unassigned at lists.webkit.org
Reporter: parthakr at gmail.com
CC: fantasai.bugs at inkedblade.net, vitor.roriz at apple.com
Created attachment 472699
--> https://bugs.webkit.org/attachment.cgi?id=472699&action=review
Chrome vs Safari/notes (TextKit2)
Cursor movement and edit with Kannada text in Safari (Apple TextKit2) vs Chrome (Harfbuzz)
Description
Please describe the issue and what steps we can take to reproduce it:
Watch the attached video
Related feedbacks
FB15231415
FB14170617
FB12383463
FB9479036
Description:
All cursor movements are captured in the bottom right hand corner of the screen in RED COLOR
Left half screen is chrome with harfbuzz text shaping engine
ಅರ್ಕಾವಾತಿ (Repha ರ್ behind ಕ ಾ)
- cursor movement and edit is correct
ಅರ್ಕ್ಪವಾತಿ (Repha ರ್ behind ಕ ್ ಪ)
- cursor movement is wrong: cursor is allowed move between “Repha ರ್” and “ಕ್ಪ”. Cursor must not allowed to be placed between repha and following Kannada letters. Repha must be part of the Kannada letters to its right
- Cursor gets stuck inside the Kannada letters, does not move to the right
- Correct form can be observed in Chrome (Harfbuzz).
ಅರ್ಕ್ಪಾವಾತಿ (Repha ರ್ behind ಕ ್ ಪ ಾ)
- cursor movement is wrong: cursor is allowed move between “Repha ರ್” and “ಕ್ಪಾ”. Cursor must not allowed to be placed between repha and following Kannada letters. Repha must be part of the Kannada letters to its right
- Cursor gets stuck inside the Kannada letters, does not move to the right
- Correct form can be observed in Chrome (Harfbuzz).
ಅರ್ಕ್ರಾವಾತಿ
(Repha ರ್ behind ಕ ್ ಪ ಾ)
- cursor movement is wrong: cursor is allowed move between “Repha ರ್” and “ಕ್ರಾ”. Cursor must not allowed to be placed between repha and following Kannada letters. Repha must be part of the Kannada letters to its right
- Correct form can be observed in Chrome (Harfbuzz).
ಅರ್ಕ್ಟ್ರೋಬರ್
- cursor movement is wrong: cursor is allowed move between “Repha ರ್” and “ಕ್ಟ್ರೋ”. Cursor must not allowed to be placed between repha and following Kannada letters. Repha must be part of the Kannada letters to its right
- Cursor gets stuck inside the Kannada letters, does not move to the right
- Correct form can be observed in Chrome (Harfbuzz).
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