[gtk] (39 commits) ...Merge branch 'keymap-rework-2' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  e8330c5... Add gdk_event_matches (*)
  c9aef3f... Add gdk_event_get_match (*)
  68d43c8... cell renderer accel: Use gdk_event_get_match (*)
  90eda2b... Drop some no longer used code (*)
  f27470a... passwordentry: Show caps lock warning more (*)
  ee14be8... gdk: Add keymap properties to GdkDevice (*)
  416ec58... gdk: Move modifier mask api to GdkDisplay (*)
  31fb5c2... Move GdkKeymapKey to gdktypes.h (*)
  00b25d5... Move keymap mapping functions to GdkDisplay (*)
  e165267... wayland: Notify new device properties (*)
  13213c7... x11: Notify new device properties (*)
  234a219... gtk: Stop using keymap apis (*)
  4495bac... gtk: Use display apis for keymap mapping (*)
  6eaadba... testsuite: Stop using keymap apis (*)
  e8f30c8... tests: Stop using gtk_accelerator_set_default_mod_mask (*)
  b02db72... Rename GDK_MOD1_MASK to GDK_ALT_MASK (*)
  d110fdd... gtk: Stop using GDK_MODx_MASK (*)
  f8646b9... gdk: Remove reserved bit from GdkModifierType (*)
  7fa1037... wayland: Stop setting MOD2..MOD5 (*)
  25e9a54... win32: Stop using MODx modifiers (*)
  be2a097... broadway: Stop using MOD2..MOD5 (*)
  5ce05a8... events: Stop doing elaborate virtual modifier handling (*)
  5071367... gtk: Remove handling of virtual modifiers (*)
  0a96a48... gdk: Redo key events (*)
  3300686... gdk: Clean up GdkModifierType (*)
  0eb728a... imcontextsimple: Disable some win32-only code (*)
  89ad789... gdk: Make GdkKeymap a private api (*)
  dce8d25... keymap: Remove virtual modifier mapping functions (*)
  c297d45... gtk: Stop using modifier intents (*)
  3419d9c... gtk: Drop gtk_widget_get_modifier_mask (*)
  99a344f... display: Remove gdk_display_get_modifier_mask (*)
  14be8f6... Remove uses of modifier intents in gdkevents.c (*)
  f7f103a... gdk: Remove gdk_keymap_get_modifier_mask (*)
  1de7719... Drop gtk_accelerator_set_default_mod_mask (*)
  93a1b30... Reshuffle keymap docs (*)
  70fbf8d... accelgroup: Small documentation updates (*)
  e7a8a4e... Update migration guide (*)
  c03b7e4... reftests: Comment out a test that fails only in ci (*)
  2486f46... Merge branch 'keymap-rework-2' into 'master'

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