[gtk] (50 commits) Non-fast-forward update to branch wip/matthiasc/focus2

[Matthias Clasen <matthiasc src gnome org>]

The branch 'wip/matthiasc/focus2' 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:

  96786ca... Redo focus handling
  5c9102a... notebook: Stop using set_focus_child
  2195e56... paned: Stop using set_focus_child
  505deb5... root: Add focus
  abed791... window: Implement the root focus api
  ab7f678... Port widgets to the root focus API
  80e9dd7... Move a check to gtk_window_set_focus
  abcc554... Simplify the move_focus api
  2abd0bf... widget: Drop the ::focus signal
  7558f6c... widget: Add a next-focus-child API
  393e8a1... stack: Implement next_focus_child
  7b1fb11... expander: remove the ::focus implementation
  5ef293b... inspector: Add a focus overlay
  0281455... window: Make focus wrap again
  6aafd0b... Exclude non-drawable widgets from focus
  e560797... Remove gtk_widget_focus_move
  d11dfc0... Remove gtk_widget_send_focus_change from public API
  937f678... Remove no-longer used code
  ce2753c... Add a child-focusable flag
  fcc259e... window: Check for child-focusable
  fd657d7... color chooser: Prevent focus leaks
  d9ebe9d... root: Add a ::focus-widget property
  f9ce0f5... Protect against focus cycles
  c2f4736... inspector: Stop using ::set-focus
  bb85460... filechooser: Stop using ::set-focus
  547ddef... popover: Stop using ::set-focus
  04d80a3... window: Remove ::set-focus
  70653a2... window: Remove initial-focus builder support
  ea707da... entry: Redo select-on-focus handling
  3b752a7... label: Redo select-on-focus handling
  084003e... label: Bring back link focus
  4a24847... Factor out a common function
  f59dc9d... Add a missing include
  0141c0f... root: Don't allow setting nonsense focus
  4cb7d31... Force focus chain to be cyclic
  7fbe3bd... window: Drop next_focus_child implementation
  1374cdf... Expand docs
  5a18246... Add a focus-chain test
  29c6960... Add some stack focus tests
  7b4738d... Add a nested boxes focus test

Commits added to the branch:

  d8ffb35... x11: Don't emit GDK_NOTHING events
  fc9caea... Redo focus handling
  426cb98... notebook: Stop using set_focus_child
  4eaf76e... paned: Stop using set_focus_child
  f4d14e5... root: Add focus
  ffc76e6... window: Implement the root focus api
  daa0f60... Port widgets to the root focus API
  055a37c... Move a check to gtk_window_set_focus
  33c2eaa... Simplify the move_focus api
  437e17b... widget: Drop the ::focus signal
  4b62cc4... widget: Add a next-focus-child API
  26c2df1... stack: Implement next_focus_child
  a42c9bb... expander: remove the ::focus implementation
  2dd569f... inspector: Add a focus overlay
  c94d183... window: Make focus wrap again
  a87e5ae... Exclude non-drawable widgets from focus
  415e60b... Remove gtk_widget_focus_move
  f0374aa... Remove gtk_widget_send_focus_change from public API
  164a399... Remove no-longer used code
  96313b9... Add a child-focusable flag
  6ecea90... window: Check for child-focusable
  b2cb12c... color chooser: Prevent focus leaks
  0730d2c... root: Add a ::focus-widget property
  2a6f426... Protect against focus cycles
  a7272e1... inspector: Stop using ::set-focus
  3fa31b6... filechooser: Stop using ::set-focus
  edcb687... popover: Stop using ::set-focus
  eddd97b... window: Remove ::set-focus
  2bf9e88... window: Remove initial-focus builder support
  64c650d... entry: Redo select-on-focus handling
  36dcf39... label: Redo select-on-focus handling
  0ad7576... label: Bring back link focus
  28658c5... Factor out a common function
  d3d6e38... Add a missing include
  3f49217... root: Don't allow setting nonsense focus
  1c700f9... Force focus chain to be cyclic
  431af28... window: Drop next_focus_child implementation
  7e2aa0f... Expand docs
  5b53f3e... Add a focus-chain test
  50243b0... Add some stack focus tests
  25fc661... Add a nested boxes focus test
  e0b1c45... Add crossing mode and detail to focus events
  8238e6c... widget: Add a private setter for has-focus
  fa9911a... Share crossing and focus change event code
  39e58b2... drop gtk_widget_send_focus_change
  ccb3690... Avoid a critical
  3343737... Export gtk_synthesize_crossing_events internally
  ad46485... window: Use gtk_synthesize_crossing_events
  662cfcc... Pass mode and detail to focus-in/out signals
  1ecc343... Add gtk_get_event_related_target