lyx_mirror/src/frontends/qt4/QDelimiterDialog.C

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/**
* \file QDelimiterDialog.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author John Levon
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "QDelimiterDialog.h"
#include "QMath.h"
#include "qt_helpers.h"
#include "controllers/ControlMath.h"
#include "gettext.h"
#include <QPixmap>
#include <QCheckBox>
#include <sstream>
using std::string;
namespace lyx {
namespace frontend {
namespace {
char const * delim[] = {
"(", ")", "{", "}", "[", "]",
"lceil", "rceil", "lfloor", "rfloor", "langle", "rangle",
"uparrow", "Uparrow", "downarrow", "Downarrow",
"|", "Vert", "slash", "backslash", ""
};
char const * const bigleft[] = {"bigl", "Bigl", "biggl", "Biggl", ""};
char const * const bigright[] = {"bigr", "Bigr", "biggr", "Biggr", ""};
char const * const biggui[] = {N_("big size"), N_("Big size"),
N_("bigg size"), N_("Bigg size"), ""};
string do_match(const string & str)
{
if (str == "(") return ")";
if (str == ")") return "(";
if (str == "[") return "]";
if (str == "]") return "[";
if (str == "{") return "}";
if (str == "}") return "{";
if (str == "l") return "r";
if (str == "rceil") return "lceil";
if (str == "lceil") return "rceil";
if (str == "rfloor") return "lfloor";
if (str == "lfloor") return "rfloor";
if (str == "rangle") return "langle";
if (str == "langle") return "rangle";
if (str == "backslash") return "slash";
if (str == "slash") return "backslash";
return str;
}
string fix_name(const string & str, bool big)
{
if (str == "slash")
return "/";
if (str == "backslash")
return "\\";
if (str == "empty")
return ".";
if (!big || str == "(" || str == ")" || str == "[" || str == "]")
return str;
return "\\" + str;
}
} // namespace anon
QDelimiterDialog::QDelimiterDialog(QMathDelimiter * form)
: form_(form)
{
setupUi(this);
connect(closePB, SIGNAL(clicked()), this, SLOT(accept()));
connect(insertPB, SIGNAL(clicked()), this, SLOT(insertClicked()));
setWindowTitle(qt_("LyX: Delimiters"));
for (int i = 0; *delim[i]; ++i) {
QPixmap pm = QPixmap(toqstr(find_xpm(delim[i])));
leftCO->addItem(QIcon(pm), "");
rightCO->addItem(QIcon(pm), "");
}
string empty_xpm(find_xpm("empty"));
leftCO->addItem(QIcon(QPixmap(toqstr(empty_xpm))), qt_("(None)"));
rightCO->addItem(QIcon(QPixmap(toqstr(empty_xpm))), qt_("(None)"));
sizeCO->addItem(qt_(N_("Variable size")));
for (int i = 0; *biggui[i]; ++i)
sizeCO->addItem(qt_(biggui[i]));
on_leftCO_activated(0);
}
void QDelimiterDialog::insertClicked()
{
string const left_ = delim[leftCO->currentIndex()];
string const right_ = delim[rightCO->currentIndex()];
int const size_ = sizeCO->currentIndex();
if (size_ == 0) {
form_->controller().dispatchDelim(
fix_name(left_, false) + ' ' +
fix_name(right_, false));
} else {
std::ostringstream os;
os << '"' << bigleft[size_ - 1] << "\" \""
<< fix_name(left_, true) << "\" \""
<< bigright[size_ - 1] << "\" \""
<< fix_name(right_, true) << '"';
form_->controller().dispatchBigDelim(os.str());
}
}
void QDelimiterDialog::on_leftCO_activated(int item)
{
if (matchCB->isChecked()) {
string const match = do_match(delim[item]);
int k = 0;
while (delim[k] && delim[k] != match)
++k;
rightCO->setCurrentIndex(k);
}
}
void QDelimiterDialog::on_rightCO_activated(int item)
{
if (matchCB->isChecked()) {
string const match = do_match(delim[item]);
int k = 0;
while (delim[k] && delim[k] != match)
++k;
leftCO->setCurrentIndex(k);
}
}
void QDelimiterDialog::on_matchCB_stateChanged(int state)
{
if (state == Qt::Checked)
on_leftCO_activated(leftCO->currentIndex());
}
} // namespace frontend
} // namespace lyx
#include "QDelimiterDialog_moc.cpp"