lyx_mirror/src/frontends/xforms/RadioButtonGroup.C
Angus Leeming 67fbbc0fb2 Change the name of some methods and some widgets.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3822 a592a061-630c-0410-9148-cb99ea01b6c8
2002-03-25 11:16:15 +00:00

87 lines
1.6 KiB
C

/**
* \file RadioButtonGroup.C
* Copyright 1995 Matthias Ettrich.
* Copyright 1995-2001 The LyX Team.
* Copyright 2000 Baruch Even
* See the file COPYING.
*
* \author Baruch Even, baruch.even@writeme.com
*/
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "RadioButtonGroup.h"
#include "debug.h" // for lyxerr
#include "support/lyxfunctional.h"
//#include <functional>
#include <algorithm>
#include <iterator>
using std::find_if;
//using std::bind2nd;
using std::endl;
void RadioButtonGroup::init(FL_OBJECT *button, size_type value)
{
map.push_back(ButtonValuePair(button, value));
}
void RadioButtonGroup::reset()
{
map.clear();
}
void RadioButtonGroup::set(size_type value)
{
ButtonValueMap::const_iterator it =
find_if(map.begin(), map.end(),
lyx::equal_2nd_in_pair<ButtonValuePair>(value));
// If we found nothing, report it and return
if (it == map.end()) {
lyxerr << "BUG: Requested value in RadioButtonGroup doesn't exists"
<< endl;
}
else {
fl_set_button(it->first, 1);
}
}
template < typename T >
struct is_set_button {
bool operator() (T const & item) const
{
return fl_get_button((item).first);
}
};
RadioButtonGroup::size_type RadioButtonGroup::get() const
{
// Find the first button that is active
ButtonValueMap::const_iterator it =
find_if(map.begin(), map.end(),
is_set_button<ButtonValuePair> ());
// If such a button was found, return its value.
if (it != map.end()) {
return it->second;
}
lyxerr << "BUG: No radio button found to be active." << endl;
// Else return 0.
return 0;
}