[bpt/emacs.git] / oldXMenu / InsSel.c

/* Copyright    Massachusetts Institute of Technology    1985	*/

#include "copyright.h"


/*
 * 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 <config.h>
#include "XMenuInt.h"

int
XMenuInsertSelection(register XMenu *menu, register int p_num, register int s_num, char *data, char *label, int active)
                         	/* Menu object to be modified. */
                       		/* Pane number to be modified. */
                       		/* Selection number of new selection. */
               			/* Data value. */
                		/* Selection label. */
               			/* Make selection active? */
{
    register XMPane *p_ptr;	/* XMPane pointer. */
    register XMSelect *s_ptr;	/* XMSelect pointer. */

    XMSelect *sel;		/* Newly created selection. */

    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 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.
     */
    sel = (XMSelect *)calloc(1, sizeof(XMSelect));
    if (sel == 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.
     */
    if (!strcmp (label, "--") || !strcmp (label, "---"))
      {
	sel->type = SEPARATOR;
	sel->active = 0;
      }
    else
      {
	sel->type = SELECTION;
	sel->active = active;
      }

    sel->active = active;
    sel->serial = -1;
    sel->label = label;
    sel->label_width = label_width;
    sel->label_length = label_length;
    sel->data = data;
    sel->parent_p = p_ptr;

    /*
     * Insert the selection after the selection with the selection
     * number one less than the desired number for the new selection.
     */
    emacs_insque(sel, 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);
}
Commit	Line	Data
2cd3138f GM	1	/* Copyright Massachusetts Institute of Technology 1985 */
2cd3138f GM	2
e745ede7 DL	3	#include "copyright.h"
e745ede7 DL	4
e745ede7 DL	5
	6	/*
	7	* XMenu: MIT Project Athena, X Window system menu package
	8	*
	9	* XMenuInsertSelection - Inserts a selection into an XMenu object
	10	*
	11	* Author: Tony Della Fera, DEC
	12	* 20-Nov-85
	13	*
	14	*/
	15
	16	#include <config.h>
	17	#include "XMenuInt.h"
	18
	19	int
b782e2d7 DN	20	XMenuInsertSelection(register XMenu menu, register int p_num, register int s_num, char data, char *label, int active)
	21	/* Menu object to be modified. */
	22	/* Pane number to be modified. */
	23	/* Selection number of new selection. */
	24	/* Data value. */
	25	/* Selection label. */
	26	/* Make selection active? */
e745ede7 DL	27	{
	28	register XMPane p_ptr; / XMPane pointer. */
	29	register XMSelect s_ptr; / XMSelect pointer. */
	30
55660072	31	XMSelect sel; / Newly created selection. */
e745ede7 DL	32
	33	int label_length; /* Label length in characters. */
	34	int label_width; /* Label width in pixels. */
177c0ea7	35
e745ede7 DL	36	/*
	37	* Check for NULL pointers!
	38	*/
	39	if (label == NULL) {
	40	_XMErrorCode = XME_ARG_BOUNDS;
	41	return(XM_FAILURE);
	42	}
	43
	44	/*
	45	* Find the right pane.
	46	*/
	47	p_ptr = _XMGetPanePtr(menu, p_num);
	48	if (p_ptr == NULL) return(XM_FAILURE);
	49
	50	/*
	51	* Find the selection number one less than the one specified since that
	52	* is the selection after which the insertion will occur.
	53	*/
	54	s_ptr = _XMGetSelectionPtr(p_ptr, (s_num - 1));
	55	if (s_ptr == NULL) return(XM_FAILURE);
	56
	57	/*
	58	* Calloc the XMSelect structure.
	59	*/
55660072 PE	60	sel = (XMSelect *)calloc(1, sizeof(XMSelect));
55660072 PE	61	if (sel == NULL) {
e745ede7 DL	62	_XMErrorCode = XME_CALLOC;
	63	return(XM_FAILURE);
	64	}
	65
	66	/*
	67	* Determine label size.
	68	*/
	69	label_length = strlen(label);
	70	label_width = XTextWidth(menu->s_fnt_info, label, label_length);
	71
	72
	73	/*
	74	* Fill the XMSelect structure.
	75	*/
	76	if (!strcmp (label, "--") \|\| !strcmp (label, "---"))
	77	{
55660072 PE	78	sel->type = SEPARATOR;
55660072 PE	79	sel->active = 0;
e745ede7 DL	80	}
	81	else
	82	{
55660072 PE	83	sel->type = SELECTION;
55660072 PE	84	sel->active = active;
e745ede7 DL	85	}
e745ede7 DL	86
55660072 PE	87	sel->active = active;
	88	sel->serial = -1;
	89	sel->label = label;
	90	sel->label_width = label_width;
	91	sel->label_length = label_length;
	92	sel->data = data;
	93	sel->parent_p = p_ptr;
e745ede7 DL	94
	95	/*
	96	* Insert the selection after the selection with the selection
	97	* number one less than the desired number for the new selection.
	98	*/
55660072	99	emacs_insque(sel, s_ptr);
e745ede7 DL	100
	101	/*
	102	* Update the selection count.
	103	*/
	104	p_ptr->s_count++;
	105
	106	/*
	107	* Schedule a recompute.
	108	*/
	109	menu->recompute = 1;
	110
	111	/*
	112	* Return the selection number just inserted.
	113	*/
	114	_XMErrorCode = XME_NO_ERROR;
	115	return(s_num);
	116	}