#

1 files changed, 88 insertions, 0 deletions

diff --git a/oldXMenu/ChgSel.c b/oldXMenu/ChgSel.c
new file mode 100644
index 00000000000..591fbb7e886
--- /dev/null
+++ b/oldXMenu/ChgSel.c
@@ -0,0 +1,88 @@
+#include "copyright.h"
+
+/* $Header: /u/src/emacs/19.0/oldXMenu/RCS/ChgSel.c,v 1.1 1992/04/11 22:10:17 jimb Exp $ */
+/* Copyright    Massachusetts Institute of Technology    1985	*/
+
+/*
+ * 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);
+}