lyx_mirror/src/frontends/qt2/checkedwidgets.C
Angus Leeming 2a31934f38 Wrap most of the frontend code up inside namespace lyx::frontend.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8766 a592a061-630c-0410-9148-cb99ea01b6c8
2004-05-19 15:11:37 +00:00

86 lines
1.6 KiB
C

/**
* \file qt2/checkedwidgets.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 "checkedwidgets.h"
#include <qlabel.h>
#include <qlineedit.h>
#include <qvalidator.h>
namespace lyx {
namespace frontend {
void addCheckedLineEdit(BCView & bcview,
QLineEdit * input, QLabel * label)
{
bcview.addCheckedWidget(new CheckedLineEdit(input, label));
}
namespace {
void setWarningColor(QWidget * widget)
{
// Qt 2.3 does not have
// widget->setPaletteForegroundColor(QColor(255, 0, 0));
// So copy the appropriate parts of the function here:
QPalette pal = widget->palette();
pal.setColor(QPalette::Active,
QColorGroup::Foreground,
QColor(255, 0, 0));
widget->setPalette(pal);
}
void setWidget(bool valid, QLineEdit * input, QLabel * label)
{
if (valid)
input->unsetPalette();
else
setWarningColor(input);
if (!label)
return;
if (valid)
label->unsetPalette();
else
setWarningColor(label);
}
} // namespace anon
CheckedLineEdit::CheckedLineEdit(QLineEdit * input, QLabel * label)
: input_(input), label_(label)
{}
bool CheckedLineEdit::check() const
{
QValidator const * validator = input_->validator();
if (!validator)
return true;
QString t = input_->text();
int p = 0;
bool const valid = validator->validate(t, p) == QValidator::Acceptable;
// Visual feedback.
setWidget(valid, input_, label_);
return valid;
}
} // namespace frontend
} // namespace lyx