[gtk] (71 commits) Non-fast-forward update to branch ebassi/new-a11y

[Emmanuele Bassi <ebassi src gnome org>]

The branch 'ebassi/new-a11y' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  9721d37... Remove ATK
  d39dd8a... a11y: Add the supported accessibility roles
  c794895... Introduce GtkAccessible
  e1704cb... Add GtkAccessibleValue
  34db9f5... Add GtkAccessibleStateSet
  07888c6... Add GtkATContext
  d0f9ef0... Plug GtkATContext into GtkAccessible
  fba939f... Have GtkWidget implement GtkAccessible
  2061c87... Update the accessible state on widget visibility changes
  584452b... Start documenting the Accessibility API
  717aef3... Allow setting the accessible role at construction
  7ed211a... Plumb all the GtkAccessibleProperty values into GtkAccessib
  f62192e... Add GtkAccessiblePropertySet
  8241e29... Add accessible properties to GtkAccessible
  26a9576... a11y: Add roles to various widgets
  50095f5... a11y: Update the "pressed" state on toggle buttons
  f34bf0d... a11y: Update the accessible state for GtkRange
  282dc9d... a11y: Set the role for GtkScale
  0fa95b7... a11y: Update GtkSeparator
  4710d50... a11y: Update the accessible label for GtkButton
  298ad26... a11y: Collect reference value
  e06fded... a11y: Add binding-friendly accessible property setter
  2815a49... Remove GTK_ACCESSIBLE_STATE_NONE
  a28c0a8... a11y: Resync with the ARIA spec
  e8b61d2... a11y: Simplify GtkAccessibleValue
  1fb0048... a11y: Add relations API
  4bc4f50... a11y: Consolidate the attributes container
  09f7ee5... a11y: Implement role and state change in GtkSwitch
  13af85a... a11y: Add testing API
  6c0720d... Add GTK_DEBUG=accessibility
  49dbe4c... testatcontext: Use the new debug flag
  5c2bb4d... inspector: Support the a11y debug flag
  deb6eeb... a11y: Change default accessible role

Commits added to the branch:

  378e594... Tweak the GTK_DEBUG=help output (*)
  95fc81c... inspector: Add a few more debug flags (*)
  5df1356... gsk: Remove an unused debug flag (*)
  0c15463... Merge branch 'matthiasc/for-master' into 'master' (*)
  aa76f7e... Speed up action muxer setup (*)
  ab67a81... Speed up action muxer setup more (*)
  07e8daf... inspector: Remove action support temporarily (*)
  14bb121... actionmuxer: Add some more api (*)
  4786a16... actionmuxer: Port internal users (*)
  96d42cf... actionmuxer: Stop implementing GActionGroup (*)
  9b294eb... Add gtk_action_muxer_list_actions (*)
  14059af... inspector: Make the actions tab work again (*)
  05e614f... actionmuxer: Create observed_actions and groups on demand (*)
  ed92026... actionmuxer: Use an array for accels (*)
  486fbce... actionmuxer: Update docs and clean up headers (*)
  d9ece94... ci: Switch ASAN tests to runners tagged so (*)
  ee9c6bb... Merge branch 'action-muxer-speedup' into 'master' (*)
  852429d... Merge branch 'barthalion/asan-runner' into 'master' (*)
  9b647a4... inspector: Make picking objects show them (*)
  d66ac49... Merge branch 'matthiasc/for-master' into 'master' (*)
  bc542c5... gdk: Update gdkkeysyms.h (*)
  7884ab6... build: fix linking support on macOS with Clang (*)
  514b622... build: squash various warnings with Clang (*)
  add47be... build: add ATK fallback subproject wrapper (*)
  0154a7f... gdk: disable file transfer portal on macOS (*)
  9dbf99d... macos: prototype new GDK backend for macOS (*)
  d3365d5... Merge branch 'matthiasc/for-master' into 'master' (*)
  2e07fcd... Merge branch 'wip/chergert/quartz4u' into 'master' (*)
  1ee2d9a... Update Chinese (China) translation (*)
  03a3b5a... Update Chinese (China) translation (*)
  a1bd338... Update Chinese (China) translation (*)
  b7e0b33... Remove ATK
  44e336c... a11y: Add the supported accessibility roles
  7f6c5be... Introduce GtkAccessible
  1115463... Add GtkAccessibleValue
  4ca71b7... Add GtkAccessibleStateSet
  b59f43b... Add GtkATContext
  f2147b1... Plug GtkATContext into GtkAccessible
  b5a3f28... Have GtkWidget implement GtkAccessible
  59963e8... Update the accessible state on widget visibility changes
  4c8037c... Start documenting the Accessibility API
  1accdd8... Allow setting the accessible role at construction
  425f0f7... Plumb all the GtkAccessibleProperty values into GtkAccessib
  a13bf94... Add GtkAccessiblePropertySet
  9dea6fe... Add accessible properties to GtkAccessible
  07d20c8... a11y: Add roles to various widgets
  7b3605e... a11y: Update the "pressed" state on toggle buttons
  d989df5... a11y: Update the accessible state for GtkRange
  e6d75c7... a11y: Set the role for GtkScale
  f32858c... a11y: Update GtkSeparator
  4741e4b... a11y: Update the accessible label for GtkButton
  a297920... a11y: Collect reference value
  e3733ee... a11y: Add binding-friendly accessible property setter
  7470544... Remove GTK_ACCESSIBLE_STATE_NONE
  7cf0f00... a11y: Resync with the ARIA spec
  ccd72bd... a11y: Simplify GtkAccessibleValue
  f77c83d... a11y: Add relations API
  e9bd7e6... a11y: Consolidate the attributes container
  8b7bf94... a11y: Implement role and state change in GtkSwitch
  39721a3... a11y: Add testing API
  cfb7b35... Add GTK_DEBUG=accessibility
  e046e77... testatcontext: Use the new debug flag
  375c071... inspector: Support the a11y debug flag
  7fb4f87... a11y: Change default accessible role
  27abe80... a11y: Allow storing list of references in GtkAccessibleValu
  6b7a850... a11y: Change the collection type for reflist attributes
  4c47fc5... a11y: Update labelled-by when setting mnemonic labels
  cfd9ffc... testatcontext: Print role nicks
  bde8a40... a11y: Update GtkProgressBar
  cd0eff6... a11y: Update GtkSpinButton
  a064cef... a11y: Update GtkCheckButton

(*) This commit already existed in another branch; no separate mail sent