dde-dock/frame/item/containeritem.cpp
石博文 133b711d1f update license
Change-Id: I9df92e43b79f7c2b3688b595f80df7b3a7bb7ed2
2018-02-07 11:52:47 +08:00

136 lines
3.4 KiB
C++

/*
* Copyright (C) 2011 ~ 2018 Deepin Technology Co., Ltd.
*
* Author: sbw <sbw@sbw.so>
*
* Maintainer: sbw <sbw@sbw.so>
*
* 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 "containeritem.h"
#include <QPainter>
ContainerItem::ContainerItem(QWidget *parent)
: DockItem(parent),
m_dropping(false),
m_popupTips(new QLabel),
m_containerWidget(new ContainerWidget(this))
{
m_containerWidget->setVisible(false);
m_popupTips->setText(tr("Click to display hidden icon"));
m_popupTips->setVisible(false);
setAcceptDrops(true);
}
void ContainerItem::setDropping(const bool dropping)
{
if (dropping)
showPopupApplet(m_containerWidget);
else
hidePopup();
m_dropping = dropping;
update();
}
void ContainerItem::addItem(DockItem * const item)
{
m_containerWidget->addWidget(item);
item->setVisible(true);
}
void ContainerItem::removeItem(DockItem * const item)
{
m_containerWidget->removeWidget(item);
}
bool ContainerItem::contains(DockItem * const item)
{
if (m_containerWidget->contains(item))
{
// reset parent to container.
if (item->parent() != m_containerWidget)
item->setParent(m_containerWidget);
return true;
}
return false;
}
void ContainerItem::refershIcon()
{
QPixmap icon;
const auto ratio = devicePixelRatioF();
const QSize s = QSize(16, 16) * ratio;
switch (DockPosition)
{
case Top: icon = QIcon(":/icons/resources/arrow-down.svg").pixmap(s); break;
case Left: icon = QIcon(":/icons/resources/arrow-right.svg").pixmap(s); break;
case Bottom: icon = QIcon(":/icons/resources/arrow-up.svg").pixmap(s); break;
case Right: icon = QIcon(":/icons/resources/arrow-left.svg").pixmap(s); break;
default: Q_UNREACHABLE();
}
m_icon = icon;
m_icon.setDevicePixelRatio(ratio);
}
void ContainerItem::dragEnterEvent(QDragEnterEvent *e)
{
if (m_containerWidget->allowDragEnter(e))
return e->accept();
}
void ContainerItem::dragMoveEvent(QDragMoveEvent *e)
{
Q_UNUSED(e);
return;
}
void ContainerItem::paintEvent(QPaintEvent *e)
{
DockItem::paintEvent(e);
if (!m_containerWidget->itemCount() && !m_dropping)
return;
QPainter painter(this);
painter.drawPixmap(rect().center() - m_icon.rect().center() / m_icon.devicePixelRatioF(), m_icon);
}
void ContainerItem::mouseReleaseEvent(QMouseEvent *e)
{
if (e->button() == Qt::LeftButton && m_containerWidget->itemCount())
return showPopupApplet(m_containerWidget);
return DockItem::mouseReleaseEvent(e);
}
QSize ContainerItem::sizeHint() const
{
return QSize(24, 24);
}
QWidget *ContainerItem::popupTips()
{
if (m_containerWidget->itemCount())
return m_popupTips;
else
return nullptr;
}