[gtk] (21 commits) Created branch wip/baedert/transforms5

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/transforms5' was created.

Summary of new commits:

  ff48c09... modelbutton: Remove snapshot implementation
  01fa86a... acitonbar: Remove snapshot implementation
  bdfe4dd... levelbar: Don't return a double value from a gboolean funct
  2e7f07b... menu: Allocate children according to scroll_offset
  d8414de... menu: Use correct content height
  ad6c5c9... menuitem: Don't redraw unnecessarily
  abc9b19... pathbar: Remove priv pointer
  9961678... widgetprivate: Remove useless prototype
  166db42... sizerequestcache: Inline out-var assignments
  aca516a... main: Pass toplevel_widget directly to GtkWidget API
  37394d4... widget: Rename width and height member to {width,height}_re
  e2c8938... widget: Make queue_compute_expand private
  66983e7... widget: Add transform matrix
  2516e7b... widget: Push transform node when neccessary
  5dddeed... widget: Add gtk_widget_set_transform
  80bca27... widget: Just use floating-point translate_coordinates
  f536003... widget: Use translate_coordinates in pick()
  f9292de... widget: Care about transformation in translate_coordinatesf
  8c05c6b... widget: Consider transformation in contains()
  477b7c3... asdf
  16c9c1e... DELETE ME.