lyx_mirror/src/frontends/xforms/RadioButtonGroup.C
Angus Leeming 5c4bfd0354 Add #include <boost/assert.hpp>.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7750 a592a061-630c-0410-9148-cb99ea01b6c8
2003-09-15 10:53:02 +00:00

123 lines
2.6 KiB
C

/**
* \file RadioButtonGroup.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Baruch Even
* \author Rob Lahaye
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "RadioButtonGroup.h"
#include "xforms_helpers.h"
#include "debug.h"
#include "support/lyxfunctional.h"
#include "lyx_forms.h"
#include <boost/assert.hpp>
using std::endl;
void RadioButtonGroup::init(FL_OBJECT * ob, size_type value)
{
// Object must be a ROUND3DBUTTON (let all radio buttons look the same)
// and of type RADIO_BUTTON (otherwise it ain't work).
BOOST_ASSERT(ob && ob->objclass == FL_ROUND3DBUTTON
&& ob->type == FL_RADIO_BUTTON);
map.push_back(ButtonValuePair(ob, value));
}
void RadioButtonGroup::set(size_type value) const
{
ButtonValueMap::const_iterator it =
find_if(map.begin(), map.end(),
lyx::equal_2nd_in_pair<ButtonValuePair>(value));
if (it != map.end()) {
fl_set_button(it->first, 1);
} else {
// We found nothing: report it and do nothing.
lyxerr << "BUG: Requested value in RadioButtonGroup "
"doesn't exist" << endl;
}
}
void RadioButtonGroup::set(FL_OBJECT * ob) const
{
// Object must be member of the radiobutton group.
bool isMember = false;
ButtonValueMap::const_iterator it = map.begin();
for (; it != map.end() && !isMember; ++it) {
isMember = it->first == ob;
}
if (isMember) {
fl_set_button(ob, 1);
} else {
// Object is not a member; report it and do nothing.
lyxerr << "BUG: Requested object is not a member of "
<< "the RadioButtonGroup." << endl;
}
}
template < typename T >
struct is_set_button {
bool operator() (T const & item) const
{
return fl_get_button((item).first);
}
};
void RadioButtonGroup::unset() const
{
// Find the active button.
ButtonValueMap::const_iterator it =
find_if(map.begin(), map.end(),
is_set_button<ButtonValuePair> ());
if (it == map.end())
// Nothing to do. No button is set.
return;
fl_set_button(it->first, 0);
}
RadioButtonGroup::size_type RadioButtonGroup::get() const
{
// Find the active button.
ButtonValueMap::const_iterator it =
find_if(map.begin(), map.end(),
is_set_button<ButtonValuePair> ());
if (it != map.end())
return it->second;
// We found nothing: report it and return 0
lyxerr << "BUG: No active radio button found." << endl;
return 0;
}
void RadioButtonGroup::setEnabled(bool enable)
{
ButtonValueMap::iterator it = map.begin();
ButtonValueMap::iterator end = map.end();
for (; it != end; ++it) {
::setEnabled(it->first, enable);
}
}