3.19.11: Gtk: * AccelLabel: Ad get_accel(). (Kjell Ahlstedt) * ApplicationWindow: * Add set/unset/get_help_overlay(). (Kjell Ahlstedt) * Builder: Make get_widget_derived() a variadic template, forwarding its arguments to the constructor of the derived class. (Kjell Ahlstedt) Bug #134161 * GestureLongPress: Add property_delay_factor(). (Kjell Ahlstedt) * Popover: Add PopoverConstraint enum and set/get/property_constrain_to(). (Kjell Ahlstedt) * Range: Deprecate get/set_min_slider_size(). (Murray Cumming) * Stack: Add set/get/property_interpolate_size(). (Kjell Ahlstedt) * StackSwitcher: Add property_icon_size(). (Kjell Ahlstedt) * Settings: Add reset_property() and property_gtk_titlebar_double_click/middle_click/right_click(). (Kjell Ahlstedt) * Add Shortcuts* widgets, such as ShortcutsWindow. (Kjell Ahlstedt) * TextTag: Add tag_changed() and property_strikethrough_rgba/ strikethrough_rgba_set/underline_rgba/underline_rgba_set/font_features/ font_features_set(). (Kjell Ahlstedt) * TextView: Add set/get/property_top_margin() and set/get/property_bottom_margin(). (Kjell Ahlstedt) * Replace deprecated Glib::ScopedPtr with make_unique_g_free(). (Murray Cumming) Gdk: * Add GLContext::is_legacy(). (Kjell Ahlstedt) * Seat: Add get_slaves() (Kjell Ahlstedt) Bug #759806 * Window: Deprecate parse_geometry() and set_default_geometry(). (Kjell Ahlstedt) Documentation: * Add Shortcuts Window demo. (Kjell Ahlstedt) * treeview_editable_cells demo: Catch exception from std::stoi. (Kjell Ahlstedt) * Misc: Mention non-deprecated get/set_margin_*() in docs. (Murray Cumming) * Gdk::DeviceManager::get_client_pointer(): Update the deprecation message (Kjell Ahlstedt) Bug #759806. Build: * Visual Studio builds: Update gdkmm project for GdkSeat. (Chun-wei Fan)