[gtk] (20 commits) ...Merge branch 'wip/carlosg/event-final-cleanup' into 'master'

[Carlos Garnacho <carlosg src gnome org>]

Summary of changes:

  cdfde66... gtkcombobox: Use controller to handle combobox keybindings  (*)
  9a541d9... inspector: Use gestures/controllers for inspect button (*)
  0d7b4ec... gtkentry: Use keycontroller on GtkCellEditable implementati (*)
  ca8008e... gtkcombobox: Use keycontroller on GtkCellEditable implement (*)
  d301695... gtktreeview: Replace event vmethod with key controller (*)
  6d3eb18... gtktreeview: Use key controller on search entry handling (*)
  101c927... gtk-demo: Add pad controller handling to "Paint" demo (*)
  2dbb150... demos: drop "Event axes" demo (*)
  4d59a00... demos: Update search_entry2 demo to use key capturing API (*)
  85f6995... demos: Update hypertext demo to use controllers (*)
  6f15447... tests: Update testgrid to use gestures (*)
  88743ab... tests: Use gesture to popup menu in testiconview (*)
  5e0f2d7... tests: Use gesture in testtreepos (*)
  1570c41... testsuite: Update window test to use gestures when interact (*)
  f152249... gtkwindow: Replace captured event handler with motion contr (*)
  71762d3... gtkscrolledwindow: Use controller for motion capturing (*)
  25b3b90... tests: Port motion-compression to using a motion controller (*)
  8f6f980... demos: Update changedisplay demo to using GtkGesture (*)
  5d1b2f6... tests: Port testwidgetfocus to using a motion controller (*)
  efa42a6... Merge branch 'wip/carlosg/event-final-cleanup' into 'master

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