高级事件和信号处理@GTK+ 2.0 中文教程连载高级事件和信号处理信号函数

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概述

GTK+ 2.0 教程
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高级事件和信号处理

信号函数

连接和断开信号处理函数

gulong g_signal_connect( GObject     *object,

                         const gchar *name,

                         GCallback    func,

                         gpointer     func_data );



gulong g_signal_connect_after( GObject       *object,

                               const gchar   *name,

                               GCallback      func,

                               gpointer       func_data );



gulong g_signal_connect_swapped( GObject       *object,

                                 const gchar   *name,

                                 GCallback      func,

                                 GObject       *slot_object );



void g_signal_handler_disconnect( GObject *object,

                                  gulong   handler_id );



void g_signal_handlers_disconnect_by_func( GObject   *object,

                                           GCallback  func,

                                           gpointer   data );

阻塞和反阻塞信号处理函数

void g_signal_handler_block( GObject *object,

                             gulong   handler_id);



void g_signal_handlers_block_by_func( GObject   *object,

                                      GCallback  func,

                                      gpointer   data );



void g_signal_handler_unblock( GObject *object,

                               gulong   handler_id );



void g_signal_handler_unblock_by_func( GObject   *object,

                                       GCallback  func,

                                       gpointer   data );

发出和停止信号

void g_signal_emit( GObject *object,

                    guint      signal_id,

                    ... );



void g_signal_emit_by_name( GObject     *object,

                            const gchar *name,

                            ... );



void g_signal_emitv( const GValue *instance_and_params,

                     guint         signal_id,

                     GQuark        detail,

                     GValue       *return_value );



void g_signal_stop_emission( GObject *object,

                             guint    signal_id,

                             GQuark   detail );



void g_signal_stop_emission_by_name( GObject   *object,

                                     const gchar *detailed_signal );