Update to 3.8.0:

3.8.0 (stable):

Changes since 3.7.12:

Gtk:
* AccelLabel: Add set_accel().
  (Murray Cumming)
* ActionGroup: Add get/set_accel_group()
  and the accel-group property.
  (Murray Cumming)
* Entry: Add the populate_all property.
  (Murray Cumming)
* Image: Add the resource property.
  (Murray Cumming)
* IconInfo: Add load_icon_async(),
  load_symbolic_async(), load_symbolic_for_context().
  (Murray Cumming)
* IconView:
  - Add get/set_activate_on_single_click().
  and the activate-on-single-click property.
  - Add get_cell_rect().
  (Murray Cumming)
* LevelBar: Add get/set_inverted().
  (Murray Cumming)
* MenuShell: Add bind_model().
  (Murray Cumming)
* Settings: Add the  gtk-recent-files-enabled
  and gtk-primary-button-warps-slider
  properties.
  (Murray Cumming)
* TextView: Add the populate_all property.
  (Murray Cumming)
* TreeView: Add get/set_activate_on_single_click()
  and the activate-on-single-click property.
  (Murray Cumming
* Widget: Add is_visible(), register_window() and
  unregister_window().
  (Murray Cumming)
* Window: Add set_titlebar().
  (Murray Cumming)

Gdk:
* Window: Add get/set_fullscreen_mode().
  (Murray Cumming)

Build:
* Fix and Update the Visual Studio Solution Files
  for MSVC.Net 2005, 2008 and 2010.
  (Chun-wei Fan)



3.7.12 (unstable):

Gtk:
* Modify the deletion of widgets.
  (Kjell Ahlstedt) Bug #605728 (Murray Cumming) and Bug #315874 (Philip Langdale)

Build:
* Fix the build with the lastest GTK+ from git master,
  to cope with the slightly-changed GTK+ API caused by this commit:
  https://git.gnome.org/browse/gtk+/commit/?id=88623b98a7ca0afca08ac21bc3aa662c6ed3ab7f
  Bug #695305 (Cosimo Cecchi, mussadek)
* Preserve our generated API/ABI after GTK+ API-compatible changes.
  (Kjell Ahlstedt)

Documentation:
* Update generated documentation.
  (Kjell Ahlstedt)


3.7.10 (unstable):

Gdk:

* PixbufAnimation: Fix refcounting on get_iter().
  (Andrew Potter) Bug #688686
* Rectangle: Add Gdk::join() and Gdk::intersect() nonmember functions.
  (Kjell Ahlstedt) Bug #452130 (Jonathon Jongsma)

Gtk:
* Bin, Container::remove(): Restore the floating ref of a managed widget.
  (Kjell Ahlstedt) Bug #685739 (Jonas Platte)
* Builder:
  - Add const versions of get_object() and get_widget[_derived]().
  (Kjell Ahlstedt) Bug #666823 (Hubert Figuière)
  - Add get_objects().
  (Hubert Figuière) Bug #666823
* ScrolledWindow: Add remove_with_viewport().
  (Kjell Ahlstedt) Bug #685739 (Jonas Platte)
* Widget: Add get/set_opacity(),
  set_opacity() and the opacity property.
  (Murray Cumming)
* Window: Deprecate get_opacity(),
  set_opacity() and the opacity property.
  (Murray Cumming)

Documentation:
* Small correction to TreeModel::set_value_impl().
  (Murray Cumming)
* Fix many warnings from Doxygen.
  (Kjell Ahlstedt)

Build:
* Gtk::ScrolledWindow: Do not use a deprecated function.
  (Murray Cumming)
* Gtk::IconInfo: Do not use deprecated copy/free functions.
  (Murray Cumming)
* gen_scripts: Get information from gdk-pixbuf.
  (Kjell Ahlstedt)


Changes in 3.6 compared to 3.4:

Gtk:
* Application:
 - Added get_active_window() and get_window_by_id().
   (Murray Cumming)
* ApplicationWindow: Add get_id().
  (Murray Cumming)
* Builder: Add create_from_resource() and add_from_resource().
  (Kalev Lember) Bug #674545
* Button: Addedset/get_always_show_image() and the property.
* CellRendererText: Added the placeholder_text property.
  (Murray Cumming)
* ComboBox: Add set_active_id(), deprecating get_active_id(string).
  (Murray Cumming) Bug #685801 (Phil Wolff)
* Container: Add forall(), propagate_draw(),
  get_focus_child() and get_path_for_child().
  (Murray Cumming)
* Entry:
  - Add input purpose and input hints methods.
    (Murray Cumming)
  - Undeprecate the activate signal.
    (Murray Cumming) Bug #655500 (Kjell Ahlstedt)
* IconView: Add get_item_row() and get_item_column()
  and reorderable, tooltip-column and item-padding properties.
  (Murray Cumming)
* Added the LevelBar widget.
  (Murray Cumming)
* Added MenuButton.
  (Murray Cumming)
* PrintJob: Added get/set_page_ranges().
  (Murray Cumming)
* Added SearchEntry.
  (Murray Cumming)
* Settings: Added the enable_primary_paste property.
  (Murray Cumming)
* StyleContext:
  - Add render_icon() and render_insertion_cursor() and deprecate some
    functions.
    (Kjell Ahlstedt) Bug #675632
  - Add get_style_property().
    (Mark Vender) Bug #674746
* TargetList: Add some add_*_targets() methods.
  (Murray Cumming)
* TextView: Added input purpose and input hints methods.
  (Murray Cumming)
* UIManager: Add add_ui_from_resource().
  (Kalev Lember) Bug #674545
* Widget: Add has_visible_focus() and insert_action_group().
  (Murray Cumming)
* WidgetPath: Added to_string(), iter_get_siblings() and
  iter_list_regions().
  (Murray Cumming)
* Window: Add set_startup_id(), is_active(),
  has_toplevel_focus(), set_default_geometry(),
  resize_to_geometry(), has_group().
  Add the focus-visible and attached-to properties.
  (Murray Cumming)
* WindowGroup: Add list_windows() and get_current_grab().
  (Murray Cumming)

Gdk:
* Pixbuf: Added  const version of save() and friends
  (Mark Vender) Bug #678886.
* Screen: Added get_monitor_workarea().
  (Murray Cumming)


3.6.0 (stable):

Gtk:
* ComboBox: Add set_active_id(), deprecating get_active_id(string).
  (Murray Cumming) Bug #685801 (Phil Wolff)
* TargetList: Add some add_*_targets() methods.
  (Murray Cumming)
* WindowGroup: Add list_windows() and get_current_grab().
  (Murray Cumming)

3.5.13 (unstable):

Gtk:
* ApplicationWindow: Add get_id().
* Container: Add forall(), propagate_draw(),
  get_focus_child() and get_path_for_child().
* IconView: Add get_item_row() and get_item_column()
  and reorderable, tooltip-column and item-padding properties.
* LevelBar: Added properties and signal.
* PrintJob: Added get/set_page_ranges().
* Settings: Added the enable_primary_paste property.
* Widget: Add has_visible_focus().
* Window: Add set_startup_id(), is_active(),
  has_toplevel_focus(), set_default_geometry(),
  resize_to_geometry(), has_group().
  Add the focus-visible and attached-to properties.
  (Murray Cumming)

Build:
* Use std::time_t instead of ::time_t.
* Use std::size_t and std::ptrdiff_t.
  (Kjell Ahlstedt)

3.5.12 (unstable):

Gtk:
* Added the LevelBar widget.
  (Murray Cumming)
* Application:
  - Added get_active_window().
    (Murray Cumming)
  - Don't call add_window() before the application is registered.
    (Kjell Ahlstedt) Bug #681323 (Gregory Martin)
* CellRendererText: Added the placeholder_text property.
* Entry: Add input purpose and input hints methods.
* MenuButton: Added get/set_popup(), deprecated get/set_menu().
* Settings: Deprecate the gtk-touchscreen-property.
* TextView: Added input purpose and input hints methods.
* Widget: Added insert_action_group().
  (Murray Cumming)

Documentation:
* Show the get_type() methods in the API documentation.
  (Murray Cumming) Bug #670212 (Mark Vender).

3.5.6 (unstable):

Gtk:
* AppChooserDialog: Fix property name in constructors.
  (Kjell Ahlstedt)
* Application:
  - run(): Do not show the window until activation, fix a crash.
  - Added get_window_by_id().
* Button: Addedset/get_always_show_image() and the property.
* Added Gtk::MenuButton.
* Added Gtk::SearchEntry.
* WidgetPath: Added to_string(), iter_get_siblings() and
  iter_list_regions().
  (Murray Cumming)
* Fix wrap_init() for Quartz (MacOS).
  (Kjell Ahlstedt) Bug #678883.

Gdk:
* Pixbuf: Added  const version of save() and friends
  (Mark Vender) Bug #678886.
* Screen: Added get_monitor_workarea().

3.5.4 (unstable):

* Application:
  - Document that ID may now be empty.
  - Pass 0 (NULL) rather than "" to GApplication.
* Builder: Add create_from_resource() and add_from_resource().
  (Kalev Lember) Bug #674545
* Entry: Undeprecate the activate signal.
  (Murray Cumming) Bug #655500 (Kjell Ahlstedt)
* StyleContext:
  - Add render_icon() and render_insertion_cursor() and deprecate some
    functions.
    (Kjell Ahlstedt) Bug #675632
  - Add get_style_property().
    (Mark Vender) Bug #674746
* UIManager: Add add_ui_from_resource().
	(Kalev Lember) Bug #674545
* Widget: Deprecate draw_insertion_cursor().
  (Kjell Ahlstedt) Bug #675632
* Documentation:
  - Application: add_window(): Correct the documentation.
	  (Murray Cumming) Noticed by Mateusz Marzantowicz.
  - Container: Document several rarely used virtual functions
    (Mark Vender) Bug #670206
  - Widget: Document get_style_property_value() and get_style_property().
    (Mark Vender) Bug #673303
* Build: Make the list of gdk targets non-automagic. Otherwise, it is difficult
  e.g. to build a wayland-only gtkmm on a build machine that has gdk with both
  x11 and wayland targets installed.
  (Alexandre Rostovtsev) Bug #673963
- gtkmm3, update done.