[gtk] (9 commits) Non-fast-forward update to branch wip/otte/dnd

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/dnd' 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:

  ac95126... widget: Simplify adjust_allocation()
  baa95b8... events: Use GdkDrop as event sequence
  bd78f9a... gtk: Bubble drag events like motion events
  4c960e8... eventcontrollermotion: Fix docs
  539f1b3... Add GtkDropControllerMotion
  61460fc... testsuite: Check proper notify emissions, too
  1def547... Port simple cases to GtkDropControllerMotion
  785236b... stackswitcher: Use GdkDropControllerMotion
  aca674f... main: Don't synthesize crossing events when nothing changed

Commits added to the branch:

  061b92f... widget: Simplify adjust_allocation()
  e2e9887... events: Use GdkDrop as event sequence
  88fe458... gtk: Bubble drag events like motion events
  860b17f... eventcontrollermotion: Fix docs
  93ee2c6... Add GtkDropControllerMotion
  35d2957... testsuite: Check proper notify emissions, too
  7d4e773... Port simple cases to GtkDropControllerMotion
  3262536... stackswitcher: Use GdkDropControllerMotion
  e249127... main: Don't synthesize crossing events when nothing changed