Files
cantata/widgets/thinsplitterhandle.cpp
2014-02-28 20:13:08 +00:00

54 lines
1.6 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2014 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "thinsplitterhandle.h"
#include "utils.h"
#include <QResizeEvent>
ThinSplitterHandle::ThinSplitterHandle(Qt::Orientation orientation, QSplitter *parent)
: QSplitterHandle(orientation, parent)
{
sz=Utils::isHighDpi() ? 8 : 4;
updateMask();
setAttribute(Qt::WA_MouseNoMask, true);
}
void ThinSplitterHandle::resizeEvent(QResizeEvent *event)
{
updateMask();
if (event->size()!=size()) {
QSplitterHandle::resizeEvent(event);
}
}
void ThinSplitterHandle::updateMask()
{
if (Qt::Horizontal==orientation()) {
setContentsMargins(sz, 0, sz, 0);
setMask(QRegion(contentsRect().adjusted(-sz, 0, sz, 0)));
} else {
setContentsMargins(0, sz, 0, sz);
setMask(QRegion(contentsRect().adjusted(0, -sz, 0, sz)));
}
}