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/*
* This file is part of XForms.
*
* XForms is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1, or
* (at your option) any later version.
*
* XForms is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with XForms. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file fd_groups.c
*
* This file is part of XForms package
* Copyright (c) 1996-2002 T.C. Zhao and Mark Overmars
* All rights reserved.
*
* This file is part of the Form Designer.
*
* It maintains a list of groups in the form. Each group can be
* assigned a name.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "include/forms.h"
#include "fd_main.h"
#include "fd/ui_theforms.h"
/**** Data Structure maintaining groups in current form ****/
static FL_OBJECT **begobj = NULL; /* Begin objects of the groups */
/**** Call-back routines ****/
/***************************************
* Sets the current group in the form
***************************************/
void
group_cb( FL_OBJECT * obj FL_UNUSED_ARG,
long arg FL_UNUSED_ARG )
{
int nn = fl_get_browser( fd_control->groupbrowser );
if ( nn > 0 )
addgroupto_selection( begobj[ nn ] );
else if ( nn < 0 )
deletegroupfrom_selection( begobj[ -nn ] );
redraw_the_form( 0 );
}
/***************************************
* Changes the name of the current group
***************************************/
void
changegroupname_cb( FL_OBJECT * obj FL_UNUSED_ARG,
long arg FL_UNUSED_ARG )
{
char name[ MAX_VAR_LEN ],
cbname[ MAX_VAR_LEN ],
argname[ MAX_VAR_LEN ];
int i,
numb = 0;
const char *s;
const char *sp;
if ( cur_form == NULL )
return;
for ( i = 1; i <= fl_get_browser_maxline( fd_control->groupbrowser ); i++ )
if ( fl_isselected_browser_line( fd_control->groupbrowser, i ) )
{
if ( numb != 0 )
{
fl_show_messages( "Cannot change name of multiple groups" );
return;
}
numb = i;
}
if ( numb == 0 )
{
fl_show_messages( "No group is selected" );
return;
}
get_object_name( begobj[ numb ], name, cbname, argname );
get_changed_group_name:
if ( ! ( s = fl_show_input( "Enter group name (must be usable as "
"a C variable):", name ) )
|| ! *s )
return;
if ( ! isascii( ( unsigned char ) *s )
|| ! ( isalpha( ( unsigned char ) *s ) || *s == '_' ) )
{
fl_show_alert( "Error", "Invalid C identifier specified for group "
"name:", s, 0 );
goto get_changed_group_name;
}
for ( sp = s + 1; *sp; sp++ )
if ( ! isascii( ( unsigned char ) *sp )
|| ! ( isalnum( ( unsigned char ) *sp ) || *sp == '_' ) )
{
fl_show_alert( "Error", "Invalid C identifier specified for group "
"name:", s, 0 );
goto get_changed_group_name;
}
strcpy( name, s );
set_object_name( begobj[ numb ], name, cbname, argname );
fillin_groups( );
changed = 1;
}
/***************************************
* Fills in the current list of groups
***************************************/
void
fillin_groups( void )
{
char name[ MAX_VAR_LEN ],
cbname[ MAX_VAR_LEN ],
argname[ MAX_VAR_LEN ];
FL_OBJECT *obj,
*obj2;
int i;
if ( cur_form == NULL )
{
fl_clear_browser( fd_control->groupbrowser );
return;
}
fl_freeze_form( fd_control->groupbrowser->form );
fl_clear_browser( fd_control->groupbrowser );
/* Check whether groups are empty. */
obj = cur_form->first;
while ( obj != NULL )
{
obj2 = obj;
obj = obj->next;
if ( obj2->objclass == FL_END_GROUP
&& obj2->prev != NULL
&& obj2->prev->objclass == FL_BEGIN_GROUP )
{
fl_delete_object( obj2->prev );
fl_delete_object( obj2 );
}
}
/* Put the still existing groups in the list */
for ( i = 0, obj = cur_form->first; obj; obj = obj->next )
if ( obj->objclass == FL_BEGIN_GROUP )
i++;
if ( i > 0 )
{
begobj = fl_realloc( begobj, ( i + 1 ) * sizeof *begobj );
for ( i = 1, obj = cur_form->first; obj; obj = obj->next )
if ( obj->objclass == FL_BEGIN_GROUP )
{
begobj[ i ] = obj;
get_object_name( obj, name, cbname, argname );
if ( ! *name )
strcpy( name, "<no name>" );
fl_add_browser_line( fd_control->groupbrowser, name );
if ( is_selected( obj ) )
fl_select_browser_line( fd_control->groupbrowser, i );
}
else if ( obj->objclass == FL_END_GROUP )
i++;
}
fl_unfreeze_form( fd_control->groupbrowser->form );
}
/*
* Local variables:
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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