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5c4bfd0354
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7750 a592a061-630c-0410-9148-cb99ea01b6c8
123 lines
2.6 KiB
C
123 lines
2.6 KiB
C
/**
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* \file RadioButtonGroup.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Baruch Even
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* \author Rob Lahaye
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "RadioButtonGroup.h"
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#include "xforms_helpers.h"
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#include "debug.h"
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#include "support/lyxfunctional.h"
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#include "lyx_forms.h"
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#include <boost/assert.hpp>
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using std::endl;
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void RadioButtonGroup::init(FL_OBJECT * ob, size_type value)
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{
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// Object must be a ROUND3DBUTTON (let all radio buttons look the same)
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// and of type RADIO_BUTTON (otherwise it ain't work).
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BOOST_ASSERT(ob && ob->objclass == FL_ROUND3DBUTTON
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&& ob->type == FL_RADIO_BUTTON);
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map.push_back(ButtonValuePair(ob, value));
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}
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void RadioButtonGroup::set(size_type value) const
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{
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ButtonValueMap::const_iterator it =
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find_if(map.begin(), map.end(),
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lyx::equal_2nd_in_pair<ButtonValuePair>(value));
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if (it != map.end()) {
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fl_set_button(it->first, 1);
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} else {
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// We found nothing: report it and do nothing.
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lyxerr << "BUG: Requested value in RadioButtonGroup "
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"doesn't exist" << endl;
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}
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}
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void RadioButtonGroup::set(FL_OBJECT * ob) const
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{
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// Object must be member of the radiobutton group.
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bool isMember = false;
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ButtonValueMap::const_iterator it = map.begin();
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for (; it != map.end() && !isMember; ++it) {
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isMember = it->first == ob;
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}
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if (isMember) {
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fl_set_button(ob, 1);
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} else {
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// Object is not a member; report it and do nothing.
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lyxerr << "BUG: Requested object is not a member of "
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<< "the RadioButtonGroup." << endl;
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}
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}
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template < typename T >
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struct is_set_button {
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bool operator() (T const & item) const
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{
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return fl_get_button((item).first);
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}
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};
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void RadioButtonGroup::unset() const
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{
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// Find the active button.
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ButtonValueMap::const_iterator it =
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find_if(map.begin(), map.end(),
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is_set_button<ButtonValuePair> ());
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if (it == map.end())
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// Nothing to do. No button is set.
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return;
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fl_set_button(it->first, 0);
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}
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RadioButtonGroup::size_type RadioButtonGroup::get() const
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{
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// Find the active button.
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ButtonValueMap::const_iterator it =
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find_if(map.begin(), map.end(),
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is_set_button<ButtonValuePair> ());
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if (it != map.end())
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return it->second;
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// We found nothing: report it and return 0
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lyxerr << "BUG: No active radio button found." << endl;
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return 0;
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}
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void RadioButtonGroup::setEnabled(bool enable)
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{
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ButtonValueMap::iterator it = map.begin();
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ButtonValueMap::iterator end = map.end();
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for (; it != end; ++it) {
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::setEnabled(it->first, enable);
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}
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}
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