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Length: 2016 (0x7e0)
Types: TextFile
Names: »XMenuChgSel.c«
└─⟦a0efdde77⟧ Bits:30001252 EUUGD11 Tape, 1987 Spring Conference Helsinki
└─⟦526ad3590⟧ »EUUGD11/gnu-31mar87/X.V10.R4.tar.Z«
└─⟦2109abc41⟧
└─⟦this⟧ »./X.V10R4/XMenu/XMenuChgSel.c«
#include <X/mit-copyright.h>
/* $Header: XMenuChgSel.c,v 10.9 86/02/12 16:18:42 tony Rel $ */
/* 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 "XMenuInternal.h"
int
XMenuChangeSelection(menu, p_num, s_num, data, data_sw, label, label_sw)
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 int i; /* Loop counter. */
register XMPane *p_ptr; /* XMPane pointer. */
register XMSelect *s_ptr; /* XMSelect pointer. */
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 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 = XQueryWidth(label, menu->s_fnt_info->id);
/*
* 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);
}