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67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
#include "copyright.h"
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/* $Header: /u/src/emacs/19.0/oldXMenu/RCS/ChgPane.c,v 1.1 1992/04/11 22:10:17 jimb Exp $ */
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/* Copyright Massachusetts Institute of Technology 1985 */
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/*
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* XMenu: MIT Project Athena, X Window system menu package
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*
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* XMenuChangePane - Change the label of a menu pane.
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*
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* Author: Tony Della Fera, DEC
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* December 19, 1985
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*
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*/
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#include "XMenuInt.h"
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int
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XMenuChangePane(menu, p_num, label)
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register XMenu *menu; /* Menu object to be modified. */
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register int p_num; /* Pane number to be modified. */
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char *label; /* Selection label. */
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{
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register XMPane *p_ptr; /* XMPane pointer. */
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int label_length; /* Label length in characters. */
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int label_width; /* Label width in pixels. */
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/*
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* Check for NULL pointers!
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*/
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if (label == NULL) {
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_XMErrorCode = XME_ARG_BOUNDS;
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return(XM_FAILURE);
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}
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/*
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* Find the right pane.
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*/
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p_ptr = _XMGetPanePtr(menu, p_num);
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if (p_ptr == NULL) return(XM_FAILURE);
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/*
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* Determine label size.
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*/
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label_length = strlen(label);
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label_width = XTextWidth(menu->p_fnt_info, label, label_length);
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/*
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* Change the pane data.
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*/
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p_ptr->label = label;
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p_ptr->label_width = label_width;
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p_ptr->label_length = label_length;
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/*
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* Schedule a recompute.
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*/
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menu->recompute = 1;
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/*
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* Return the pane number just changed.
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*/
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_XMErrorCode = XME_NO_ERROR;
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return(p_num);
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}
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