Here is a list of all namespace members with links to the namespace documentation for each member:

### - r -

- RC_BASE : Gtk
- RC_BG : Gtk
- RC_FG : Gtk
- RC_STYLE : Gtk
- RC_TEXT : Gtk
- RcFlags : Gtk
- REALIZED : Gtk
- RECEIVES_DEFAULT : Gtk
- RECENT_FILTER_AGE : Gtk
- RECENT_FILTER_APPLICATION : Gtk
- RECENT_FILTER_DISPLAY_NAME : Gtk
- RECENT_FILTER_GROUP : Gtk
- RECENT_FILTER_MIME_TYPE : Gtk
- RECENT_FILTER_URI : Gtk
- RECENT_SORT_CUSTOM : Gtk
- RECENT_SORT_LRU : Gtk
- RECENT_SORT_MRU : Gtk
- RECENT_SORT_NONE : Gtk
- RecentFilterFlags : Gtk
- RecentSortType : Gtk
- rectangle() : Gdk::Cairo
- REDO : Gtk::Stock
- REFRESH : Gtk::Stock
- REGEX_ANCHORED : Glib
- REGEX_BSR_ANYCRLF : Glib
- REGEX_CASELESS : Glib
- REGEX_DOLLAR_ENDONLY : Glib
- REGEX_DOTALL : Glib
- REGEX_DUPNAMES : Glib
- REGEX_EXTENDED : Glib
- REGEX_FIRSTLINE : Glib
- REGEX_JAVASCRIPT_COMPAT : Glib
- REGEX_MATCH_ANCHORED : Glib
- REGEX_MATCH_BSR_ANY : Glib
- REGEX_MATCH_BSR_ANYCRLF : Glib
- REGEX_MATCH_NEWLINE_ANY : Glib
- REGEX_MATCH_NEWLINE_ANYCRLF : Glib
- REGEX_MATCH_NEWLINE_CR : Glib
- REGEX_MATCH_NEWLINE_CRLF : Glib
- REGEX_MATCH_NEWLINE_LF : Glib
- REGEX_MATCH_NOTBOL : Glib
- REGEX_MATCH_NOTEMPTY : Glib
- REGEX_MATCH_NOTEMPTY_ATSTART : Glib
- REGEX_MATCH_NOTEOL : Glib
- REGEX_MATCH_PARTIAL : Glib
- REGEX_MATCH_PARTIAL_HARD : Glib
- REGEX_MATCH_PARTIAL_SOFT : Glib
- REGEX_MULTILINE : Glib
- REGEX_NEWLINE_ANYCRLF : Glib
- REGEX_NEWLINE_CR : Glib
- REGEX_NEWLINE_CRLF : Glib
- REGEX_NEWLINE_LF : Glib
- REGEX_NO_AUTO_CAPTURE : Glib
- REGEX_OPTIMIZE : Glib
- REGEX_RAW : Glib
- REGEX_UNGREEDY : Glib
- RegexCompileFlags : Glib
- RegexMatchFlags : Glib
- region() : Gdk::Cairo
- RELEASE_MASK : Gdk
- RELIEF_HALF : Gtk
- RELIEF_NONE : Gtk
- RELIEF_NORMAL : Gtk
- ReliefStyle : Gtk
- REMOVE : Gtk::Stock
- Requisition : Gtk
- RESIZE_IMMEDIATE : Gtk
- RESIZE_PARENT : Gtk
- RESIZE_QUEUE : Gtk
- ResizeMode : Gtk
- RESPONSE_ACCEPT : Gtk
- RESPONSE_APPLY : Gtk
- RESPONSE_CANCEL : Gtk
- RESPONSE_CLOSE : Gtk
- RESPONSE_DELETE_EVENT : Gtk
- RESPONSE_HELP : Gtk
- RESPONSE_NO : Gtk
- RESPONSE_NONE : Gtk
- RESPONSE_OK : Gtk
- RESPONSE_REJECT : Gtk
- RESPONSE_YES : Gtk
- ResponseType : Gtk
- REVERT_TO_SAVED : Gtk::Stock
- RGB_DITHER_MAX : Gdk
- RGB_DITHER_NONE : Gdk
- RGB_DITHER_NORMAL : Gdk
- rgb_ditherable() : Gdk
- rgb_get_colormap() : Gdk
- rgb_get_visual() : Gdk
- RgbDither : Gdk
- RIGHT_PTR : Gdk
- RIGHT_SIDE : Gdk
- RIGHT_TEE : Gdk
- RIGHTBUTTON : Gdk
- RTL_LOGO : Gdk
- run_page_setup_dialog() : Gtk
- run_page_setup_dialog_async() : Gtk