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-rw-r--r--oldXMenu/AddSel.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/oldXMenu/AddSel.c b/oldXMenu/AddSel.c
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+#include "copyright.h"
+
+/* $Header: AddSel.c,v 1.4 87/12/20 12:04:00 rws Exp $ */
+/* Copyright Massachusetts Institute of Technology 1985 */
+
+/*
+ * XMenu: MIT Project Athena, X Window system menu package
+ *
+ * XMenuAddSelection - Adds a selection to an XMenu object.
+ *
+ * Author: Tony Della Fera, DEC
+ * August, 1985
+ *
+ */
+
+#include "XMenuInt.h"
+
+int
+XMenuAddSelection(display, menu, p_num, data, label, active)
+ Display *display;
+ register XMenu *menu; /* Menu object to be modified. */
+ register int p_num; /* Pane number to be modified. */
+ char *data; /* Data value. */
+ char *label; /* Selection label. */
+ int active; /* Make selection active? */
+{
+ register XMPane *pane; /* Pane containing the new selection. */
+ register XMSelect *select; /* Newly created selection. */
+
+
+ int label_length; /* Label lenght 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.
+ */
+ pane = _XMGetPanePtr(menu, p_num);
+ if (pane == NULL) return(XM_FAILURE);
+
+ /*
+ * Calloc the XMSelect structure.
+ */
+ select = (XMSelect *)calloc(1, sizeof(XMSelect));
+ if (select == NULL) {
+ _XMErrorCode = XME_CALLOC;
+ return(XM_FAILURE);
+ }
+ /*
+ * Determine label size.
+ */
+ label_length = strlen(label);
+ label_width = XTextWidth(menu->s_fnt_info, label, label_length);
+
+ /*
+ * Fill the XMSelect structure.
+ */
+ select->type = SELECTION;
+ select->active = active;
+ select->serial = -1;
+ select->label = label;
+ select->label_width = label_width;
+ select->label_length = label_length;
+ select->data = data;
+ select->parent_p = pane;
+
+ /*
+ * Insert the selection at the end of the selection list.
+ */
+ insque(select, pane->s_list->prev);
+
+ /*
+ * Update the selection count.
+ */
+ pane->s_count++;
+
+ /*
+ * Schedule a recompute.
+ */
+ menu->recompute = 1;
+
+ /*
+ * Return the selection number just added.
+ */
+ _XMErrorCode = XME_NO_ERROR;
+ return((pane->s_count - 1));
+}