XtCallCallbacks(3Xt) AIX (XT FUNCTIONS) XtCallCallbacks(3Xt) NAME XtCallCallbacks, XtHasCallbacks - process callbacks SYNTAX void XtCallCallbacks(_w, _c_a_l_l_b_a_c_k__n_a_m_e, _c_a_l_l__d_a_t_a) Widget _w; String _c_a_l_l_b_a_c_k__n_a_m_e; XtPointer _c_a_l_l__d_a_t_a; typedef enum {XtCallbackNoList, XtCallbackHasNone, XtCallbackHasSome} XtCallbackStatus; XtCallbackStatus XtHasCallbacks(_w, _c_a_l_l_b_a_c_k__n_a_m_e) Widget _w; String _c_a_l_l_b_a_c_k__n_a_m_e; ARGUMENTS _c_a_l_l_b_a_c_k__n_a_m_e Specifies the callback list to be executed or checked. _c_a_l_l__d_a_t_a Specifies a callback-list specific data value to pass to each of the callback procedure in the list. _w Specifies the widget. DESCRIPTION The _X_t_C_a_l_l_C_a_l_l_b_a_c_k_s function calls each procedure that is registered in the specified widget's callback list. The _X_t_H_a_s_C_a_l_l_b_a_c_k_s function first checks to see if the wid- get has a callback list identified by callback_name. If the callback list does not exist, _X_t_H_a_s_C_a_l_l_b_a_c_k_s returns _X_t_C_a_l_l_b_a_c_k_N_o_L_i_s_t. If the callback list exists but is empty, it returns _X_t_C_a_l_l_b_a_c_k_H_a_s_N_o_n_e. If the callback list exists and has at least one callback registered, it returns _X_t_C_a_l_l_b_a_c_k_H_a_s_S_o_m_e. SEE ALSO XtAddCallback(3Xt) _X _T_o_o_l_k_i_t _I_n_t_r_i_n_s_i_c_s - _C _L_a_n_g_u_a_g_e _I_n_t_e_r_f_a_c_e _X_l_i_b - _C _L_a_n_g_u_a_g_e _X _I_n_t_e_r_f_a_c_e Rev. Release 3 Page 1