Merge remote-tracking branch 'remotes/kraxel/tags/ui-20190205-pull-request' into...

Merge remote-tracking branch 'remotes/kraxel/tags/ui-20190205-pull-request' into staging

ui: add kbd stats tracker.
ui: gtk scroll fixes.
ui: egl cursor scale fix.
ui: more sdl1 cleanup.

# gpg: Signature made Tue 05 Feb 2019 10:57:42 GMT
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20190205-pull-request:
  keymap: fix keyup mappings
  keymap: pass full keyboard state to keysym2scancode
  kbd-state: use state tracker for vnc
  kbd-state: use state tracker for gtk
  sdl2: use only QKeyCode in sdl2_process_key()
  kbd-state: use state tracker for sdl2
  sdl2: remove sdl2_reset_keys() function
  kbd-state: add keyboard state tracker
  ui/egl-helpers: Augment parameter list of egl_texture_blend() to convey scales of viewport
  ui/cocoa.m: Fix macOS 10.14 deprecation warnings
  ui/sdl_keysym: Remove obsolete SDL1.2 related code
  ui: listen for GDK_SMOOTH_SCROLL events
  ui: don't send any event if delta_y == 0
  Remove deprecated -no-frame option

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>