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-rw-r--r--oldXMenu/InsSel.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/oldXMenu/InsSel.c b/oldXMenu/InsSel.c
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+#include "copyright.h"
+
+/* $Header: InsSel.c,v 1.3 87/12/20 12:05:16 rws Exp $ */
+/* Copyright Massachusetts Institute of Technology 1985 */
+
+/*
+ * XMenu: MIT Project Athena, X Window system menu package
+ *
+ * XMenuInsertSelection - Inserts a selection into an XMenu object
+ *
+ * Author: Tony Della Fera, DEC
+ * 20-Nov-85
+ *
+ */
+
+#include "XMenuInt.h"
+
+int
+XMenuInsertSelection(menu, p_num, s_num, data, label, active)
+ register XMenu *menu; /* Menu object to be modified. */
+ register int p_num; /* Pane number to be modified. */
+ register int s_num; /* Selection number of new selection. */
+ char *data; /* Data value. */
+ char *label; /* Selection label. */
+ int active; /* Make selection active? */
+{
+ register XMPane *p_ptr; /* XMPane pointer. */
+ register XMSelect *s_ptr; /* XMSelect pointer. */
+
+ 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.
+ */
+ p_ptr = _XMGetPanePtr(menu, p_num);
+ if (p_ptr == NULL) return(XM_FAILURE);
+
+ /*
+ * Find the selection number one less than the one specified since that
+ * is the selection after which the insertion will occur.
+ */
+ s_ptr = _XMGetSelectionPtr(p_ptr, (s_num - 1));
+ if (s_ptr == 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 = p_ptr;
+
+ /*
+ * Insert the selection after the selection with the selection
+ * number one less than the desired number for the new selection.
+ */
+ insque(select, s_ptr);
+
+ /*
+ * Update the selection count.
+ */
+ p_ptr->s_count++;
+
+ /*
+ * Schedule a recompute.
+ */
+ menu->recompute = 1;
+
+ /*
+ * Return the selection number just inserted.
+ */
+ _XMErrorCode = XME_NO_ERROR;
+ return(s_num);
+}