/* Copyright Massachusetts Institute of Technology 1985 */ #include "copyright.h" /* * XMenu: MIT Project Athena, X Window system menu package * * XMenuLocate - Return data necessary to position and locate * a menu on the screen. * * Author: Tony Della Fera, DEC * January 11, 1985 * */ #include "XMenuInt.h" int XMenuLocate(display, menu, p_num, s_num, x_pos, y_pos, ul_x, ul_y, width, height) register Display *display; /* Previously opened display. */ register XMenu *menu; /* Menu object being located. */ int p_num; /* Active pane number. */ int s_num; /* Active selection number. */ int x_pos; /* X coordinate of mouse active position. */ int y_pos; /* Y coordinate of mouse active position. */ int *ul_x; /* Returned upper left menu X coordinate. */ int *ul_y; /* Returned upper left menu Y coordinate. */ int *width; /* Returned menu width. */ int *height; /* Returned menu height. */ { register XMPane *p_ptr; /* XMPane pointer. */ register XMSelect *s_ptr; /* XMSelect pointer. */ /* * Are the position arguments positive? */ if ((x_pos <= 0) || (y_pos <= 0)) { _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); /* * Check to see that the menu's dependencies have been * recomputed and are up to date. If not, do it now. */ if (menu->recompute) XMenuRecompute(display, menu); /* * Compute the new menu origin such that the active point lies * in the center of the desired active pane and selection. * This sets the values of ul_x and ul_y. */ _XMTransToOrigin(display, menu, p_ptr, s_ptr, x_pos, y_pos, ul_x, ul_y); /* * Set remaining return argument values. */ *width = menu->width; *height = menu->height; /* * Return successfully. */ _XMErrorCode = XME_NO_ERROR; return(XM_SUCCESS); } /* arch-tag: 1ff94bab-cf67-4c92-bff4-dc0130153173 (do not change this comment) */