/* Copyright Massachusetts Institute of Technology 1985 */ #include "copyright.h" /* * XMenu: MIT Project Athena, X Window system menu package * * XMenuChangeSelection - Change a menu selection. * * Author: Tony Della Fera, DEC * December 19, 1985 * */ #include "XMenuInt.h" int XMenuChangeSelection(display, menu, p_num, s_num, data, data_sw, label, label_sw) Display *display; /* previously opened display. */ register XMenu *menu; /* Menu object to be modified. */ register int p_num; /* Pane number to be modified. */ register int s_num; /* Selection number to modified. */ char *data; /* Data value. */ int data_sw; /* Change to new data value? */ char *label; /* Selection label. */ int label_sw; /* Change to new label? */ { register XMPane *p_ptr; /* XMPane pointer. */ register XMSelect *s_ptr; /* XMSelect pointer. */ int label_length; /* Label length in characters. */ int label_width; /* Label width in pixels. */ /* * Check for NULL pointers! */ if (label == NULL) { _XMErrorCode = XME_ARG_BOUNDS; return(XM_FAILURE); } /* * Find the right pane. */ p_ptr = _XMGetPanePtr(menu, p_num); if (p_ptr == NULL) return(XM_FAILURE); /* * Find the right selection. */ s_ptr = _XMGetSelectionPtr(p_ptr, s_num); if (s_ptr == NULL) return(XM_FAILURE); /* * Reset the label? */ if (label_sw) { /* * Determine label size. */ label_length = strlen(label); label_width = XTextWidth(menu->s_fnt_info, label, label_length); /* * Change the selection data. */ s_ptr->label = label; s_ptr->label_width = label_width; s_ptr->label_length = label_length; /* * Schedule a recompute. */ menu->recompute = 1; } /* * Reset the data? */ if (data_sw) s_ptr->data = data; /* * Return successfully. */ _XMErrorCode = XME_NO_ERROR; return(s_num); } /* arch-tag: 229732a6-46bf-4a3a-ad90-3d8ed65c0841 (do not change this comment) */