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macOS Rework: Subplot Tool - #32364

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iccir wants to merge 22 commits into
matplotlib:mainfrom
iccir:macos-pr-subplot
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macOS Rework: Subplot Tool#32364
iccir wants to merge 22 commits into
matplotlib:mainfrom
iccir:macos-pr-subplot

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@iccir

@iccir iccir commented Sep 17, 2026 •
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PR summary

Important

This PR depends on #32161 and will appear larger than it really is until #32161 is merged. To view the actual changes in this PR, compare macos-staging → macos-pr-subplot.

This PR implements a macOS-native version of the "Configure subplots" window. This has several advantages over the old version:

  • Adds dark mode support (visual accessibility).
  • Adds VoiceOver support (visual accessibility).
  • Adds keyboard support (motor accessibility).
  • Adds "Tight Layout" and "Copy Values" buttons to mimic the Qt backend.

Closes #27592

Screenshot of light mode.

Screenshot of dark mode.

AI Disclosure

  • I use AI for web search due to search engines becoming less reliable.
  • All code is my own.

PR quality check

  • Use an expressive title, e.g. "Fix title font property precedence"
  • [N/A] New and changed code is tested (Tested manually)
  • [N/A] Plotting related features are demonstrated in an example
  • [N/A] New features and API changes have release notes
  • [N/A] Documentation complies with general and docstring guidelines

iccir added 22 commits July 30, 2026 20:02
@iccir
Rename files to "legacymac"
1826f72
@iccir
First pass at moving files from macosx-staging
b0b62e4
@iccir
Global symbol renames in _legacymac.m
beb44ad 
Obj-C classes:
MatplotlibAppDelegate -> MPLLegacyAppDelegate
Window -> MPLLegacyWindow
View -> MPLLegacyView
NavigationToolbar2Handler -> MPLLegacyNavigationToolbar2Handler
@iccir
Make process_event static
728186f
@iccir
Migrate to reworked implementation
49cd061
@iccir
Use existing app icon for now
2d5d3e3
@iccir
Merge branch 'main' of https://github.com/matplotlib/matplotlib into …
aefd730 
…macos-staging
@iccir
Fix too many lines
23ce2c8
@iccir
Add "legacymac" and "macos"
32a4e67
@iccir
Add "macos" to RcGroupKeyType
5c2a304
@iccir
Fixing long line
946a4e6
@iccir
Add "LegacyMac" and "macOS" to docstring
ef2fa09
@iccir
Fix shim for test case failure
8968f2a
@iccir
Address AI feedback and pull some changes from rework branch
6199da9
@iccir
Fixing pre-commit failures
33bef74
@iccir
Limit Python.h usage
7bd0e0c
@iccir
Adding placeholder files
40048c6
@iccir
Updating section name
c47c02b
@iccir
Merge remote-tracking branch 'origin/main' into macos-staging
d9a32b9
@iccir
Add type parameter to new rcparams
4c2b912
@iccir
macOS native version of subplot tool
3a76e10
@iccir
Use MPLPyObjectRef instead of PyObject *
7162a8c
@iccir iccir mentioned this pull request Sep 17, 2026
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@iccir iccir added this to the v3.12.0 milestone Sep 17, 2026
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accessibility GUI: MacOSX status: waiting for other PR

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[ENH]: Add dark mode for subplot configuration tool

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@iccir @QuLogic