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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/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "include/forms.h"
#include "fd_main.h"
#include <ctype.h>
/***************************************
* Returns a string suitable to be passed to fl_set_menu() which then
* initializes the menu for selection of the return type of an object.
* In the calling code some of the entries typically must be disabled,
* which can be done with a call of fl_set_menu_item_mode() with the
* menu object as the first, the menu item number as the second and
* 'FL_PUP_BOX | FL_PUP_GRAY' as the third argument.
***************************************/
void
setup_how_return_menu( FL_OBJECT * obj )
{
fl_set_menu( obj,
"Never%b|" /* menu item 1 */
"End & Changed%b|" /* menu item 2 */
"Whenever Changed%b|" /* menu item 3 */
"At End%b|" /* menu item 4 */
"On Selection%b|" /* menu item 5 */
"On Deselection%b|" /* menu item 6 */
"Always%b" ); /* menu item 7 */
}
/***************************************
* Sets the check boxes of the menu entries of a menu as set up with
* the string returned by set_up_how_return_menu() (see above) according
* to the return settings of an object.
***************************************/
void
reset_how_return_menu( FL_OBJECT * menu,
unsigned int how_return )
{
int i;
unsigned int modes[ 8 ];
for ( i = 1; i <= 7; i++ )
{
modes[ i ] = fl_get_menu_item_mode( menu, i ) & FL_PUP_GRAY;
fl_set_menu_item_mode( menu, i, modes[ i ] | FL_PUP_BOX );
}
if ( how_return == FL_RETURN_NONE )
fl_set_menu_item_mode( menu, 1,
modes[ 1 ] | FL_PUP_BOX | FL_PUP_CHECK );
else if ( how_return == FL_RETURN_ALWAYS )
fl_set_menu_item_mode( menu, 7,
modes[ 7 ] | FL_PUP_BOX | FL_PUP_CHECK );
else
{
if ( how_return & FL_RETURN_END_CHANGED )
fl_set_menu_item_mode( menu, 2,
modes[ 2 ] | FL_PUP_BOX | FL_PUP_CHECK );
if ( how_return & FL_RETURN_CHANGED )
fl_set_menu_item_mode( menu, 3,
modes[ 3 ] | FL_PUP_BOX | FL_PUP_CHECK );
if ( how_return & FL_RETURN_END )
fl_set_menu_item_mode( menu, 4,
modes[ 4 ] | FL_PUP_BOX | FL_PUP_CHECK );
if ( how_return & FL_RETURN_SELECTION )
fl_set_menu_item_mode( menu, 5,
modes[ 5 ] | FL_PUP_BOX | FL_PUP_CHECK );
if ( how_return & FL_RETURN_DESELECTION )
fl_set_menu_item_mode( menu, 6,
modes[ 6 ] | FL_PUP_BOX | FL_PUP_CHECK );
}
}
/***************************************
***************************************/
void
handle_how_return_changes( FL_OBJECT * menu,
FL_OBJECT * target )
{
SuperSPEC *sp = target->u_vdata;
int hr = FL_RETURN_NONE;
if ( fl_get_menu_item_mode( menu, 1 ) & FL_PUP_CHECK
&& target->how_return != FL_RETURN_NONE )
/* empty */ ;
else if ( fl_get_menu_item_mode( menu, 7 ) & FL_PUP_CHECK
&& target->how_return != FL_RETURN_ALWAYS )
hr = FL_RETURN_ALWAYS;
else
{
if ( fl_get_menu_item_mode( menu, 2 ) & FL_PUP_CHECK
&& ! ( target->how_return & FL_RETURN_END_CHANGED ) )
hr = FL_RETURN_END_CHANGED;
else
{
if ( fl_get_menu_item_mode( menu, 3 ) & FL_PUP_CHECK )
hr |= FL_RETURN_CHANGED;
if ( fl_get_menu_item_mode( menu, 4 ) & FL_PUP_CHECK )
hr |= FL_RETURN_END;
}
if ( fl_get_menu_item_mode( menu, 5 ) & FL_PUP_CHECK )
hr |= FL_RETURN_SELECTION;
if ( fl_get_menu_item_mode( menu, 6 ) & FL_PUP_CHECK )
hr |= FL_RETURN_DESELECTION;
}
fl_set_object_return( target, hr );
sp->how_return = target->how_return;
reset_how_return_menu( menu, sp->how_return );
}
/***************************************
***************************************/
#define VN( v ) { v, #v }
static FLI_VN_PAIR howreturn[ ] =
{
VN( FL_RETURN_NONE ),
VN( FL_RETURN_END_CHANGED ),
VN( FL_RETURN_CHANGED ),
VN( FL_RETURN_END ),
VN( FL_RETURN_SELECTION ),
VN( FL_RETURN_DESELECTION ),
VN( FL_RETURN_ALWAYS ),
{ -1, NULL }
};
/***************************************
***************************************/
int
get_how_return_val( const char * s )
{
char *tmp = fl_strdup( s ),
*p = strtok( tmp, "|" ),
*st;
int val = 0;
while ( p )
{
while ( *p && isspace( ( int ) *p ) )
p++;
st = p;
while ( *p && ! isspace( ( int ) *p ) )
p++;
*p = '\0';
if ( ! strcmp( st, "FL_RETURN_NONE" ) )
{
val = FL_RETURN_NONE;
break;
}
else if ( ! strcmp( st, "FL_RETURN_ALWAYS" ) )
{
val = FL_RETURN_ALWAYS;
break;
}
else if ( ! strcmp( st, "FL_RETURN_END_CHANGED" ) )
{
val |= FL_RETURN_END_CHANGED;
val &= ~ ( FL_RETURN_CHANGED | FL_RETURN_END );
}
else if ( ! strcmp( st, "FL_RETURN_CHANGED" ) )
{
val |= FL_RETURN_CHANGED;
val &= ~ FL_RETURN_END_CHANGED;
}
else if ( ! strcmp( st, "FL_RETURN_END" ) )
{
val |= FL_RETURN_END;
val &= ~ FL_RETURN_END_CHANGED;
}
else if ( ! strcmp( st, "FL_RETURN_SELECTION" ) )
val |= FL_RETURN_SELECTION;
else if ( ! strcmp( st, "FL_RETURN_DESELECTION" ) )
val |= FL_RETURN_DESELECTION;
val |= fli_get_vn_value( howreturn, st );
p = strtok( NULL, "|" );
}
fl_safe_free( tmp );
return val;
}
/***************************************
* Returns a string suitable for output in a C file (with 'withspaces'
* set to 1) or a .fd file (with 'withspaces' set to 0) of the return
* setting of an object as passed as the first argument.
***************************************/
const char *
get_how_return_name( unsigned int how_return,
int with_spaces )
{
static char buf[ 256 ];
FLI_VN_PAIR *hr = howreturn;
if ( how_return == FL_RETURN_ALWAYS )
return "FL_RETURN_ALWAYS";
if ( how_return == FL_RETURN_NONE )
return "FL_RETURN_NONE";
*buf = '\0';
while ( ( ++hr )->val != ( int ) FL_RETURN_ALWAYS )
{
if ( how_return & hr->val )
strcat( strcat( buf, with_spaces ? " | " : "|" ), hr->name );
}
return buf + ( with_spaces ? 3 : 1 );
}
/*
* Local variables:
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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