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/*
Actionaz
Copyright (C) 2008-2014 Jonathan Mercier-Ganady
Actionaz 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 3 of the License, or
(at your option) any later version.
Actionaz 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. If not, see <http://www.gnu.org/licenses/>.
Contact : jmgr@jmgr.info
*/
#include "itemlistview.h"
#include <QKeyEvent>
#include <QApplication>
#include <QPen>
#include <QPainter>
namespace ActionTools
{
ItemListView::ItemListView(QWidget *parent)
: QListView(parent)
{
setDropIndicatorShown(false);
}
void ItemListView::keyPressEvent(QKeyEvent *event)
{
switch(event->key())
{
case Qt::Key_Delete:
emit removeCurrentItem();
break;
case Qt::Key_PageUp:
emit moveCurrentItem(true);
break;
case Qt::Key_PageDown:
emit moveCurrentItem(false);
break;
default:
break;
}
}
void ItemListView::dragMoveEvent(QDragMoveEvent *event)
{
QModelIndex index = indexAt(event->pos());
bool afterLastItem = false;
if(index.isValid())
{
mDropIndicator = visualRect(index);
if(event->pos().y() > mDropIndicator.top() + mDropIndicator.height() / 2)
{
index = model()->index(index.row() + 1, 0, QModelIndex());
if(index.isValid())
mDropIndicator = visualRect(index);
else
afterLastItem = true;
}
}
else
afterLastItem = true;
if(afterLastItem)
{
index = model()->index(model()->rowCount() - 1, 0, QModelIndex());
mDropIndicator = visualRect(index);
mDropIndicator = mDropIndicator.translated(0, mDropIndicator.height());
}
QListView::dragMoveEvent(event);
}
void ItemListView::dragLeaveEvent(QDragLeaveEvent* event)
{
mDropIndicator = QRect(0, 0, 0, 0);
QListView::dragLeaveEvent(event);
}
void ItemListView::dropEvent(QDropEvent* event)
{
mDropIndicator = QRect(0, 0, 0, 0);
QListView::dropEvent(event);
}
void ItemListView::paintEvent(QPaintEvent* event)
{
QListView::paintEvent(event);
if(!mDropIndicator.size().isEmpty())
{
QPalette p = QApplication::palette();
QPen pen(p.color(QPalette::Highlight), 3, Qt::DotLine);
QPainter painter(viewport());
painter.setPen(pen);
mDropIndicator.translate(0, -1);
mDropIndicator.setLeft(0);
mDropIndicator.setRight(viewport()->rect().size().width());
painter.drawLine(mDropIndicator.topLeft(), mDropIndicator.topRight());
}
}
}
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