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Widgets     Book   The Main Event Loop Manages all available sources of events. More... Compounds class   IdleSource class   IOSource class   MainContext   Main context. More... class   MainLoop class   PollFD class   SignalIdle class   SignalIO class   SignalTimeout class   Source class   TimeoutSource Enumerations enum   {   PRIORITY_HIGH = -100,   PRIORITY_DEFAULT = 0,   PRIORITY_HIGH_IDLE = 100,   PRIORITY_DEFAULT_IDLE = 200,   PRIORITY_LOW = 300 } enum   IOCondition {   IO_IN,   IO_OUT,   IO_PRI,   IO_ERR,   IO_HUP,   IO_NVAL }   A bitwise combination representing an I/O condition to watch for on an event source. More... Functions IOCondition  operator| (IOCondition lhs, IOCondition rhs) IOCondition  operator& (IOCondition lhs, IOCondition rhs) IOCondition  operator^ (IOCondition lhs, IOCondition rhs) IOCondition  operator~ (IOCondition flags) IOCondition&  operator|= (IOCondition& lhs, IOCondition rhs) IOCondition&  operator&= (IOCondition& lhs, IOCondition rhs) IOCondition&  operator^= (IOCondition& lhs, IOCondition rhs) SignalTimeout  signal_timeout ()   Convenience timeout signal. SignalIdle  signal_idle ()   Convenience idle signal. SignalIO  signal_io ()   Convenience I/O signal. Glib::RefPtr<MainContext>  wrap (GMainContext* gobject, bool take_copy=false) Glib::RefPtr<MainLoop>  wrap (GMainLoop* gobject, bool take_copy=false) Detailed Description Manages all available sources of events. Enumeration Type Documentation anonymous enum   Enumeration values: PRIORITY_HIGH  Use this for high priority event sources. It is not used within GLib or GTK+. PRIORITY_DEFAULT  Use this for default priority event sources. In glibmm this priority is used by default when installing timeout handlers with SignalTimeout::connect(). In GDK this priority is used for events from the X server. PRIORITY_HIGH_IDLE  Use this for high priority idle functions. GTK+ uses PRIORITY_HIGH_IDLE + 10 for resizing operations, and PRIORITY_HIGH_IDLE + 20 for redrawing operations. (This is done to ensure that any pending resizes are processed before any pending redraws, so that widgets are not redrawn twice unnecessarily.) PRIORITY_DEFAULT_IDLE  Use this for default priority idle functions. In glibmm this priority is used by default when installing idle handlers with SignalIdle::connect(). PRIORITY_LOW  Use this for very low priority background tasks. It is not used within GLib or GTK+. enum Glib::IOCondition   A bitwise combination representing an I/O condition to watch for on an event source. The flags correspond to those used by the poll() system call on UNIX (see man 2 poll). To test for individual flags, do something like this: if((condition & Glib::IO_OUT) != 0) do_some_output(); Bitwise operators: IOCondition operator|(IOCondition, IOCondition) IOCondition operator&(IOCondition, IOCondition) IOCondition operator^(IOCondition, IOCondition) IOCondition operator~(IOCondition) IOCondition& operator|=(IOCondition&, IOCondition) IOCondition& operator&=(IOCondition&, IOCondition) IOCondition& operator^=(IOCondition&, IOCondition) Enumeration values: IO_IN  There is data to read. IO_OUT  Data can be written (without blocking). IO_PRI  There is urgent data to read. IO_ERR  Error condition. IO_HUP  Hung up (the connection has been broken, usually for pipes and sockets). IO_NVAL  Invalid request. The file descriptor is not open. Function Documentation IOCondition operator& ( IOCondition    lhs, IOCondition    rhs )  [inline] IOCondition& operator&= ( IOCondition&    lhs, IOCondition    rhs )  [inline] IOCondition operator^ ( IOCondition    lhs, IOCondition    rhs )  [inline] IOCondition& operator^= ( IOCondition&    lhs, IOCondition    rhs )  [inline] IOCondition operator| ( IOCondition    lhs, IOCondition    rhs )  [inline] IOCondition& operator|= ( IOCondition&    lhs, IOCondition    rhs )  [inline] IOCondition operator~ ( IOCondition    flags )  [inline] SignalIdle signal_idle (   )    Convenience idle signal. Returns: A signal proxy; you want to use SignalIdle::connect(). Examples: thread/dispatcher.cc. SignalIO signal_io (   )    Convenience I/O signal. Returns: A signal proxy; you want to use SignalIO::connect(). SignalTimeout signal_timeout (   )    Convenience timeout signal. Returns: A signal proxy; you want to use SignalTimeout::connect(). Glib::RefPtr<MainLoop> wrap ( GMainLoop*    gobject, bool    take_copy = false )  [related, inherited] Glib::RefPtr<MainContext> wrap ( GMainContext*    gobject, bool    take_copy = false )  [related, inherited]