Added scrolling text to Mac player module and cleaned up functions

[LinkUpGames]

Initially, I did some work that added a small scrolling text effect to the playerctl plugin last year (#273). I revisited the plugin and decided to do some clean up on it. I decided to expose some more parameters to users such as defining the width of the plugin and also the scrolling speed.

Additionally, I love the new Macos player plugin (#343) and decided to also add a similar scrolling effect for users. I exposed the scrolling speed as a parameter for users that wish to have this option on. I believe that since both of these plugins have very similar functions, there should be a common function that can be used to get the scrolling characters on screen. This function was added to the utils.sh file.

Let me know if you have any questions or if there's something that needs to be fixed up!

[coderabbitai[bot]]

📝 Walkthrough

Walkthrough

Adds horizontal text-scrolling to mac-player and playerctl scripts with a circular slice utility, exposes tmux options for enabling/tuning scrolling and remote-control button mappings, updates caching/output logic for animated frames, and documents the new configuration examples in CONFIG.md.

Changes

Cohort / File(s)	Change Summary
Documentation docs/CONFIG.md	Added examples and new tmux configuration options documenting scrolling and speed/width settings for mac-player and playerctl.
mac-player script scripts/mac-player.sh	Added scroll(); read @dracula-mac-player-scroll and @dracula-mac-player-scroll-speed; added remote button mapping options (@dracula-mac-player-remote-play-pause, @dracula-mac-player-remote-back, @dracula-mac-player-remote-next); updated caching/output path to support animated rendering; minor change to source quoting; bind/unbind remote controls.
playerctl script scripts/playerctl.sh	Removed slice_loop(); added scroll(str, width, speed) and replaced manual slicing loop with scroll calls; read @dracula-playerctl-scroll, @dracula-playerctl-width, and @dracula-playerctl-speed.
Utilities scripts/utils.sh	Added slice_text() for circular substring extraction used by scrolling implementations.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant Widget as Widget Script\n(mac-player/playerctl)
    participant Utils as utils.sh

    User->>Widget: Widget invoked (tmux hook / timer)
    Widget->>Widget: Read tmux options (scroll, width, speed, remote mappings)
    alt Scrolling enabled
        Widget->>Utils: call slice_text / iterate frames via scroll()
        Utils-->>Widget: return frame substring
        Widget->>User: print frame with CR update (animated)
    else Scrolling disabled
        Widget->>User: print cached / truncated text
    end
    opt Remote access enabled
        User->>Widget: remote button press
        Widget->>Widget: map & handle action (play/pause/next/back)
    end

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45 minutes

Possibly related PRs

• dracula/tmux#355: Overlaps edits to scripts/mac-player.sh around caching, update flow, and remote-control wiring.
• dracula/tmux#343: Prior changes to mac-player/playerctl logic that this PR extends with scrolling and slice utilities.

Suggested reviewers

• Theoreticallyhugo

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📥 Commits

Reviewing files that changed from the base of the PR and between 8057a9cc80e7d440fbe1d91ce5dff071a5098cf7 and a65d4d64573e7a0ff519b87f15ec39ab93e9d94a.

📒 Files selected for processing (1)

• scripts/mac-player.sh (4 hunks)

🚧 Files skipped from review as they are similar to previous changes (1)

• scripts/mac-player.sh

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[Theoreticallyhugo]

@iberniex (the author of #343) knows the mac player best, so i'd be happy if he could check this :D

[Theoreticallyhugo]

i didn't think about the fact that merging @iberniex plugin improvements would mess with yours. i'm sorry for the merge conflicts.

[iberniex]

Let me try it out :)

After he resolves the conflicts

[LinkUpGames]

All good! I'll fix the conflicts later today

[LinkUpGames]

@Theoreticallyhugo @iberniex I fixed the conflicts. Let me know if I'm missing something!

[LinkUpGames]

Thank you for the pointers! Let me know if that looks better :)

[Theoreticallyhugo]

I'm sorry I've been unresponsive for so long. situation is this:

• If I don't have spotify installed, this script crashes, even though apple music is set/ configured
• If I remove the logic relating to spotify, it works with apple music
• If I install spotify, I suddenly get neither a crash, nor output, even though i have something running in it. same if spotify is installed, closed, and apple music is running.

i will try to test this with the spotify logic removed soon