lyx_mirror/src/frontends/qt2/lengthvalidator.C
Jürgen Spitzmüller 1ce553b7fe length validators for the remaining qt dialogs
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9333 a592a061-630c-0410-9148-cb99ea01b6c8
2004-12-03 11:02:06 +00:00

70 lines
1.3 KiB
C

/**
* \file lengthvalidator.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Angus Leeming
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "lengthvalidator.h"
#include "qt_helpers.h"
#include "support/lstrings.h"
#include <qwidget.h>
using lyx::support::isStrDbl;
using std::string;
LengthValidator::LengthValidator(QWidget * parent, const char * name)
: QValidator(parent, name),
no_bottom_(true), glue_length_(false)
{}
QValidator::State LengthValidator::validate(QString & qtext, int &) const
{
string const text = fromqstr(qtext);
if (text.empty() || isStrDbl(text))
return QValidator::Acceptable;
if (glue_length_) {
LyXGlueLength gl;
return (isValidGlueLength(text, &gl)) ?
QValidator::Acceptable : QValidator::Intermediate;
}
LyXLength l;
bool const valid_length = isValidLength(text, &l);
if (!valid_length)
return QValidator::Intermediate;
if (no_bottom_)
return QValidator::Acceptable;
return b_.inPixels(100) <= l.inPixels(100) ?
QValidator::Acceptable : QValidator::Intermediate;
}
void LengthValidator::setBottom(LyXLength const & b)
{
b_ = b;
no_bottom_ = false;
}
void LengthValidator::setBottom(LyXGlueLength const & g)
{
g_ = g;
no_bottom_ = false;
glue_length_ = true;
}