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 "iconpalette.h"
#include "QMath.h"
#include "qt_helpers.h"
#include "controllers/ControlMath.h"
#include <qlabel.h>
#include <qpixmap.h>
#include <qcheckbox.h>
using std::string;
namespace lyx {
namespace frontend {
namespace {
char const * delim[] = {
"(", ")", "{", "}", "[", "]",
"lceil", "rceil", "lfloor", "rfloor", "langle", "rangle",
"uparrow", "Uparrow", "downarrow", "Downarrow",
"|", "Vert", "slash", "backslash", ""
};
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)
{
if (str == "slash")
return "/";
if (str == "backslash")
return "\\";
if (str == "empty")
return ".";
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() ) );
setCaption(qt_("LyX: Delimiters"));
for (int i = 0; *delim[i]; ++i) {
string xpm(find_xpm(delim[i]));
leftIP->add(QPixmap(toqstr(xpm)), delim[i], delim[i]);
rightIP->add(QPixmap(toqstr(xpm)), delim[i], delim[i]);
}
string empty_xpm(find_xpm("empty"));
leftIP->add(QPixmap(toqstr(empty_xpm)), "empty", "empty");
rightIP->add(QPixmap(toqstr(empty_xpm)), "empty", "empty");
// Leave these std:: qualifications alone !
connect(leftIP, SIGNAL(button_clicked(const std::string &)),
this, SLOT(ldelim_clicked(const std::string &)));
connect(rightIP, SIGNAL(button_clicked(const std::string &)),
this, SLOT(rdelim_clicked(const std::string &)));
ldelim_clicked("(");
rdelim_clicked(")");
}
void QDelimiterDialog::insertClicked()
{
form_->controller().dispatchDelim(fix_name(left_) + ' ' + fix_name(right_));
}
void QDelimiterDialog::set_label(QLabel * label, const string & str)
{
label->setUpdatesEnabled(false);
label->setPixmap(QPixmap(toqstr(find_xpm(str))));
label->setUpdatesEnabled(true);
label->update();
}
void QDelimiterDialog::ldelim_clicked(const string & str)
{
left_ = str;
set_label(leftPI, left_);
if (matchCB->isChecked()) {
right_ = do_match(left_);
set_label(rightPI, right_);
}
}
void QDelimiterDialog::rdelim_clicked(const string & str)
{
right_ = str;
set_label(rightPI, right_);
if (matchCB->isChecked()) {
left_ = do_match(right_);
set_label(leftPI, left_);
}
}
} // namespace frontend
} // namespace lyx