filemanager/widgets/rubberband.cpp
2021-03-29 16:51:34 +08:00

83 lines
1.9 KiB
C++

/*
* Copyright (C) 2021 CutefishOS Team.
*
* Author: revenmartin <revenmartin@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 3 of the License, or
* 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. If not, see <http://www.gnu.org/licenses/>.
*/
#include "rubberband.h"
#include <QApplication>
#include <QPainter>
#include <QStyleOptionRubberBand>
RubberBand::RubberBand(QQuickItem *parent)
: QQuickPaintedItem(parent)
{
}
RubberBand::~RubberBand()
{
}
void RubberBand::paint(QPainter *painter)
{
if (!qApp) {
return;
}
QPalette palette;
palette.setColor(QPalette::Highlight, m_color);
QStyleOptionRubberBand opt;
opt.state = QStyle::State_None;
opt.direction = qApp->layoutDirection();
opt.styleObject = this;
opt.palette = palette;
opt.shape = QRubberBand::Rectangle;
opt.opaque = false;
opt.rect = contentsBoundingRect().toRect();
qApp->style()->drawControl(QStyle::CE_RubberBand, &opt, painter);
}
bool RubberBand::intersects(const QRectF &rect) const
{
return m_geometry.intersects(rect);
}
QColor RubberBand::color() const
{
return m_color;
}
void RubberBand::setColor(QColor color)
{
if (m_color != color) {
m_color = color;
update();
emit colorChanged();
}
}
void RubberBand::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
{
Q_UNUSED(oldGeometry);
m_geometry = newGeometry;
update();
QQuickItem::geometryChanged(newGeometry, oldGeometry);
}