Console font bug, cursor is off

[processing-bot]

Created by: clankill3r

I reported a similar issue a while ago for the text editor but I noticed it happens in the console too.

I'm using the latest version of Samuel's website (which is from some time back, so it might been have fixed).

[processing-bot]

Created by: sampottinger

Hey there! The text editing area was resolved in sampottinger/processing#103 (Processing's custom text area UI was not compatible with Java 11 possibly b/c JEP 263) and should be active in your build. I wasn't able to reproduce but I'll keep digging. Which font and at what size?

[processing-bot]

Created by: sampottinger

Hey there! Sorry... I was able to reproduce the console issue with Source Code Pro 14px. This is a bit funky because I thought Processing simply used DefaultStyledDocument default drawing in EditorConsole unlike JEditTextArea in which processing uses custom drawing behavior. I'll need to do some digging... That said, the text edit area should be correct.

[processing-bot]

Created by: clankill3r

I had Source Code Pro 16px on OSX.

Op wo 6 nov. 2019 om 23:48 schreef A Samuel Pottinger <
[email protected]>:

Hey there! Sorry... I was able to reproduce with Source Code Pro 14px.
This is a bit funky because I thought Processing simply used
DefaultStyledDocument default drawing in EditorConsole unlike
JEditTextArea in which processing uses custom drawing behavior. I'll need
to do some digging...

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[processing-bot]

Created by: sampottinger

Hey there! So... we aren't doing custom rendering for that component... It's just a standard JTextPane (see EditorConsole). I'm slightly worried this might be https://bugs.openjdk.java.net/browse/JDK-8158370 (see also https://bugs.openjdk.java.net/browse/JDK-8156217). :-/ The resolution would be wait for Java to fix upstream or override drawing behavior. I'll be back with more soon.

[processing-bot]

Created by: sampottinger

Well... I'm not quite sure how this bug is manifesting but I traced it down to https://github.com/processing/processing4/blob/master/app/src/processing/app/ui/EditorConsole.java#L173. It appears that there's a rounding error in the text size calculation (inside Swing) but it only happens for certain gutter sizes. Using the default gutter size or switching Editor.LEFT_GUTTER to basically anything other than 44px seems to fix it. ☹️ So that's not great. I tried a bunch of different font / font sizes and this seems to resolve. I don't think I want to take over rendering behavior so I'll put this up to a PR. As with sampottinger/processing#103 this doesn't seem to happen with most fonts but it does happen with Source Code Pro. 😢

[processing-bot]

Created by: sampottinger

@clankill3r - This will be resolved with #20. Thank you for your help!

[processing-bot]

Created by: sampottinger

Hey @clankill3r - this is previewed in a new build. See https://github.com/sampottinger/processing4 (and https://www.datadrivenempathy.com/processing).

[processing-bot]

Created by: github-actions[bot]

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