[gtk] (27 commits) Non-fast-forward update to branch wip/matthiasc/can-focus

[Matthias Clasen <matthiasc src gnome org>]

The branch 'wip/matthiasc/can-focus' 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:

  3f15472... notbook: Fix a bug in focus handling
  0d66b94... Add more focus chain tests
  8ae3c2a... root: Reorganize focus handling
  ae6f32f... window: Make set_focus equal to grab_focus
  500b973... Stop setting can-focus in ui files
  b1f47c8... inspector: Remove can-focus from ui files
  ca61bf2... inspector: Drop more uses of can-focus
  5caa532... testsuite: Stop using can-focus
  b1bfa39... a11y tests: Stop using can-focus
  9f0b645... reftests: Stop using can-focus
  7597f7e... widget: Drop the :is-focus property
  3e14f41... testsuite: Stop setting :has-focus
  f790a26... widget: Make the :has-focus property readonly
  9613804... gizmo: Allow passing changing focus behavior
  8960744... widget: Add common focus vfunc implementations
  040e433... Change the default value of GtkWidget:can-focus
  7b5db52... Reinstate expected focus behavior
  5d74747... Remove the focus test
  9ad6354... Remove focusable-container tests
  5d8d11c... color editor: Make the sample non-focusable again

Commits added to the branch:

  71fe843... impcontextsimple: Drop ifdef'ed platform dependencies (*)
  6b7cc8b... Remove an unused backend includes (*)
  904db0a... Merge branch 'imcontextsimple-drop-ifdefs' into 'master' (*)
  1e8df85... Merge branch 'matthiasc/for-master' into 'master' (*)
  e692385... ci: Update the version of Meson in our Docker image (*)
  d2bdf3d... Merge branch 'ci-meson-bump' into 'master' (*)
  626e84d... notbook: Fix a bug in focus handling
  10e7bd5... Add more focus chain tests
  53ab5a1... root: Reorganize focus handling
  45efeb6... window: Make set_focus equal to grab_focus
  214bf00... Stop setting can-focus in ui files
  b4189b3... inspector: Remove can-focus from ui files
  37c51be... inspector: Drop more uses of can-focus
  ed6e63d... testsuite: Stop using can-focus
  80f32f9... a11y tests: Stop using can-focus
  1c15429... reftests: Stop using can-focus
  5f1b8c3... widget: Drop the :is-focus property
  db38f05... testsuite: Stop setting :has-focus
  54f5d19... widget: Make the :has-focus property readonly
  3acdc1f... gizmo: Allow passing changing focus behavior
  ebea512... widget: Add common focus vfunc implementations
  f6f8fee... Change the default value of GtkWidget:can-focus
  798e4a0... Reinstate expected focus behavior
  2d804fb... Remove the focus test
  e8b1d93... Remove focusable-container tests
  0331fb0... color editor: Make the sample non-focusable again
  a2ea426... Fix running focus-chain tests in ci

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