[gtkmm-documentation] (12 commits) Non-fast-forward update to branch wip/dboles/make_managed-3

[Daniel Boles <dboles src gnome org>]

The branch 'wip/dboles/make_managed-3' 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:

  e320fae... Update NEWS
  1e36b07... Prepare for gtkmm-4.0
  2c11fad... Remove the "Plugs and Sockets" chapter and example
  adae82f... Update the buildapp examples
  3bc8c74... Update the custom_container and custom_widget examples
  5b917b0... Update many example applications, fixing 'make check'
  2ad875a... signals/custom example: Use the sigc::signal<R(Args...)> sy
  871847f... Update examples with Gtk::DrawingArea
  5625662... More update of the printing/advanced example
  c535abe... Update application/command_line_handling and printing/advan
  71ac484... Add "Changes in gtkmm 4" chapter
  7a398b9... custom_container example: Update overriding Container::fora
  5fbdf18... Update combobox/complex and toolpalette examples
  1de607e... Update the treeview/drag_and_drop example
  7764cbc... Update the others/cellrenderercustom example
  f6a70a1... Update the PlacesSidebar example
  cbd9657... Examples: Remove calls to show_all() and show_all_children(
  fe6a4f3... custom_widget example: Correct the coordinates in on_draw()
  ebec68e... Popover example: Call set_draw_indicator() instead of set_m
  c0bce5c... Headers and Linking section: Replace broken link
  8855c12... others/cellrenderercustom examples: Override gtkmm-4 vfuncs
  6ea4467... Update chapters 1-8 for gtkmm-4.0
  1cd2baa... Update chapter 9, Container Widgets, for gtkmm-4.0
  0f2ddbd... Examples: Move argc and argv from Application::create() to 
  8bb730a... custom_widget example: Use Gtk::WidgetCustomDraw and Widget
  5af1658... Update chapter 10, The TreeView widget, for gtkmm-4.0
  a11f46d... Update chapters 11-18 for gtkmm-4.0
  b011e29... Update chapters 19-27 for gtkmm-4.0
  155b5f0... Update chapter 28, Custom Widgets, for gtkmm-4.0
  f45cfbb... Update chapters 29-32 for gtkmm-4.0
  25ecb16... Update appendixes A-G for gtkmm-4.0
  4d4d018... treeview/drag_and_drop example: Fix a comment
  02ddad2... exampletreemodel: Adapt to changed TreeModel API.
  729fb5d... C++11: Use of auto.
  a920709... exampletreemode: signed/unsigned correction to allow use of
  b033795... C++11: Slightly more use of auto.
  ea9556d... Use glibmm-2.54 instead of glibmm-2.52
  227163a... Update for glibmm-2.54
  a21cc6e... Adapt to RefPtr as std::shared_ptr.
  9f67238... Examples: Fix make check when _WRAP_ENUM generates enum cla
  fb0532b... Adapt to enums in classes: Gio::Application::Flags.
  c5877e8... Adapt to static Builder::get_widget_derived().
  ac5fefc... Adapt to enums in classes: Gio::FileMonitor::Event
  c216106... Adapt to enums in classes: Gio::Binding::Flags
  095e583... Adapt to changed cairomm enums.
  2023dda... Fix make check after changes in Glib::SignalProxy::connect(
  279ec24... Adapt for Gtk::PackOptions as an enum class.
  97d5779... Adapt for AssistantPageType as Assistant::PageType.
  9c5e37f... Adapt to FileChooserAction as FileChooser::Action.
  3f3b5e7... Adapt to Container::forall_vfunc() without include_internal
  e4a0f30... Adapt to EntryIconPosition as Entry::IconPosition.
  4878874... Adapt to pack_end() without bool parameters.
  add86f8... Adapt to pack_start/end() without padding parameter.
  9a7ee3c... Adapt to PrintOperationResult as PrintOperation::Result.
  7015d03... Adapt to CalendarDisplayOptions as Calendar::DisplayOptions
  aac006a... Adapt to SeatCapabilities as Seat::Capabilities.
  77ff3cc... Adapt to TreeModelFlags to TreeModel::Flags.
  9e2ac0b... box example: Center the quit button.
  1caf884... clipboard ideal example: Make the grid expand.
  e5e8703... pack_start() calls: Specify EXPAND_WIDGET explicitly.
  fb6a066... pack_start/end() calls: Specify EXPAND_WIDGET explicitly.
  ddd0097... Fix make check when gtkmm uses Gdk::Event
  198b6a6... Examples: Remove static_cast<int> on Gtk::ResponseType
  00ab403... Fix application/command_line_handling after changes in some
  0120657... Add Gtk::FileChooserNative example
  62e94bf... Fix custom_container and custom_widget examples
  c1ba3ef... Remove Gtk::EventBox example
  b158888... Use latest gtkmm and glibmm versions.
  3aa5862... custom_container example: Remove use of set_redraw_on_alloc
  ebae623... input example: Change Glib::IOCondition::IN to Glib::IOCond
  0d1d463... Update build/.gitignore
  cf30b3a... Czech translation
  8feeb47... Update description of the errthrow parameter in _WRAP_METHO
  131f25f... Adapt to latest version of Gdk::Event and its subclasses
  4793080... Updated Czech translation
  c8e7776... Updated Czech translation
  b31f0b5... Adapt to some Gdk::Event& (and subclasses) parameters as co
  c5387dd... Fixed Czech translation
  063040e... Update German translation
  8afec05... Fix buildapp/Makefile.am and buildapp/README
  66aedac... Adapt to latest versions of gtk+ and gtkmm
  1cab5fc... Window icons and AboutDialog logos are Gdk::Texture
  54df125... Mixing C & C++: Clarify ownership of wrap() result
  093f9f2... Clarify when the user shall delete the wrap() result
  63c617f... Add description of voidreturn parameter in _WRAP_METHOD_DOC
  863e116... Use Gdk::ContentFormats instead of Gtk::TargetList
  15bb1b7... Adapt to latest versions of gtk+ and gtkmm (Clipboard, DnD)
  0d411fb... Update the giomm/monitor_directory example
  e16d9ed... Update ToolPalette example
  8c715d6... Remove the PlacesSidebar example
  6d7c46d... Update many example programs, Gdk::Event is ref counted
  baeb262... Clarify: ColumnRecords can be static *singletons*
  6ea7ef3... Don’t write main() without a return type
  cfcb0f9... Fix 2 typos of slot_callbback => slot_callback
  a0fb80a... Fix typo in my recent ColumnRecord commit
  a298170... Adapt to latest versions of gtk+ and gtkmm (event signals)
  67c169f... Don't use the deprecated Gtk::Widget::signal_event()
  e16dbb7... Update RecentFiles example, remove ToolPalette example
  2dfeedc... Fix a doubly-defined section id
  9424b0f... Update the RefPtr appendix
  650a1a0... Use glibmm-2.58 instead of glibmm-2.56
  7d414fd... Update for the latest gtk+4 and gtkmm4 (Gdk::Surface etc.)
  8b90c6c... Require C++17
  c0cb190... Update custom container, custom widget and advanced printin
  019514a... custom_widget example: Don't use Gtk::WidgetCustomSnapshot
  99eacd8... Update the Custom Widgets chapter
  4314bdd... Update the DrawingArea Widget chapter
  970f0e5... Update calls to Gtk::Snapshot::append_cairo()
  dbdbd2a... Replace signal_key_press_event() by Gtk::EventControllerKey
  b8882ee... Fix a broken link to www.gtkmm.org
  5261298... Gdk::DragContext has been split into Gdk::Drag and Gdk::Dro
  db81413... Updated Spanish translation
  6f9d9d4... Update the Drag and Drop chapter and the Clipboard chapter
  c875c1a... Update the others/dnd example
  c4a88fc... Document the new make_managed() & prefer to use it

Commits added to the branch:

  11f0cb1... Link to gtkmm 3.22 and glibmm 2.50 (*)
  b4b4c85... 3.22.0 (*)
  f389641... Headers and Linking section: Replace broken link (*)
  403cb58... Fix buildapp/Makefile.am and buildapp/README (*)
  09e8452... Mixing C & C++: Clarify ownership of wrap() result (*)
  0a78a3a... Clarify when the user shall delete the wrap() result (*)
  c51c85d... Don't use the deprecated Gdk::screen_width() and screen_hei (*)
  8f27a2a... Clarify: ColumnRecords can be static *singletons* (*)
  3358cd0... Don’t write main() without a return type (*)
  7ba8721... Fix 2 typos of slot_callbback => slot_callback (*)
  0956ce0... Fix typo in my recent ColumnRecord commit (*)
  bfbff6a... Fix a broken link to www.gtkmm.org (*)

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