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+*** Changes from gtkmm 2.4 to 2.6:
+
+* Added IconView, FileChooserButton, and CellView widgets.
+
+* New API for existing classes:
+ TODO
+
+*** Changes from gtkmm 2.0/2.2 to gtkmm 2.4:
+
+* Useless signals not wrapped.
+
+* Use of libsigc++ 2 instead of libsigc++ 1.2. See the glibmm CHANGES for details of the syntax.
+
+* It is now easier to see which signal you should handle, because there are less of them.
+ Previously we wrapped key-binding signals, but they were quite useless for gtkmm coders.
+
+* Use of Gdk::Device and Gtk::SelectionData instead of C equivalents
+ (Murray Cumming)
+
+* New classes:
+
+ UIManager: Action-based menu and toolbar items.
+ - Add Actions to an ActionGroup.
+ - Add the ActionGroup to the UIManager.
+ - Layout the Menus and Toolbars, with an XML string. Toolbar items and menu items can share the same Action.
+ - Add the Layout string to the UIManager.
+ - Get a top-level menu or toolbar from the UIManager and put it in a container.
+
+ ComboBox, ComboBoxText, ComboBoxEntry, CellLayout
+
+ EntryCompletion
+
+ ColorButton, FontButton: Buttons that open selection dialogs when clicked, and show the result inside the button.
+
+ Expander: A disclosure triangle, to hide distracting widgets.
+
+ FileChooser: A new File Selection widget.
+
+ RadioToolButton, SeparatorToolItem, ToggleToolButton, ToolItem, ToolButton
+
+ IconTheme, IconInfo
+
+* New API for existing classes:
+ Gtk::AccelMap: lock_path(), unlock_path()
+ Gtk::Alignment: get/set_padding(). Useful for indenting Gtk::Frame contents.
+ Gtk::Button: get/set_focus_on_click() get/set_alignment()
+ Gtk::ButtonBox: get_child_secondary().
+ Gtk::Calendar:
+ - display_options() is now set_display_options().
+ - New properties.
+ Gtk::Clipboard: wait_for_targets(), and a simpler request_targets().
+ Gtk::CheckMenuItem: get/set_draw_as_radio()
+ Gtk::Entry: get/set_completion()
+ Gtk::EventBox: get/set_visible_window(), get/set_above_child()
+ Gtk::IconSource: get/set_icon_name()
+ Gtk::Menu: attach(), set_monitor()
+ Gtk::MenuItem: unset_accel_path()
+ Gtk::MenuShell: cancel()
+ Gtk::MessageDialog:
+ - set_markup()
+ - Constructors: Added bool use_markup paramater after message parameter.
+ This is an API change, and I'd leak to hear suggestions for alternatives.
+ Gtk::TextBuffer: select_range()
+ Gtk::TextIter (also known as Gtk::TextBuffer::iterator):
+ Added *_visible_* versions of forwards/backwards methods.
+ Gtk::TextView:
+ - get/set_overwrite(), get/set_accepts_tab()
+ - Added WRAP_WORD_CHAR wrap mode.
+ Gtk::TreeViewColumn (also known as Gtk::TreeView::Column):
+ Added get/set_expand(), get_cell_position()
+ Gtk::Widget:
+ - queue_resize_no_redraw(), get/set__no_show_all()
+ - Added unset_fg(), unset_bg(), unset_font(), unset_text(), unset_base().
+ - Added add_modal_grab(), remove_modal_grab(), get_current_modal_grab().
+ (Ole Laursen)
+ - Added set_window() and set_allocation() for implementing new native widgets.
+ (Detlef Reichl)
+ Gtk::Window: set_default_icon(), set_keep_above(), set_keep_below()
+
+ Gdk::Cursor: new constructor: Cursor(const Glib::RefPtr<Display>& display, const Glib::RefPtr<Pixbuf>& pixbuf, int x, int y)
+ Gdk::Display: flush(), supports_cursor_alpha(), supports_cursor_color(), get_default_cursor_size(),
+ get_maximal_cursor_size(), set_double_click_distance(), get_default_group().
+ Gdk::Pixbuf: get_formats().
+ Gdk::PixbufLoader: create() now has extra bool mime_type parameter.
+ Gdk::Window: set_keep_above(), set_keep_below().
+
+ Pango:LayoutLine: get_length(), get_start_index(), and get_layout().
+