mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-12-16 11:24:24 -05:00
87344de7d4
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@1850 b45a01b8-16f6-495d-af2f-9b41ad6348cc
119 lines
4.0 KiB
C++
119 lines
4.0 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
|
|
** Contact: Qt Software Information (qt-info@nokia.com)
|
|
**
|
|
** This file is part of the example classes of the Qt Toolkit.
|
|
**
|
|
** Commercial Usage
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
** accordance with the Qt Commercial License Agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and Nokia.
|
|
**
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License versions 2.0 or 3.0 as published by the Free
|
|
** Software Foundation and appearing in the file LICENSE.GPL included in
|
|
** the packaging of this file. Please review the following information
|
|
** to ensure GNU General Public Licensing requirements will be met:
|
|
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
|
|
** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
|
|
** exception, Nokia gives you certain additional rights. These rights
|
|
** are described in the Nokia Qt GPL Exception version 1.3, included in
|
|
** the file GPL_EXCEPTION.txt in this package.
|
|
**
|
|
** Qt for Windows(R) Licensees
|
|
** As a special exception, Nokia, as the sole copyright holder for Qt
|
|
** Designer, grants users of the Qt/Eclipse Integration plug-in the
|
|
** right for the Qt/Eclipse Integration to link to functionality
|
|
** provided by Qt Designer and its related libraries.
|
|
**
|
|
** If you are unsure which license is appropriate for your use, please
|
|
** contact the sales department at qt-sales@nokia.com.
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include <QtGui>
|
|
|
|
#include "pieceslist.h"
|
|
|
|
PiecesList::PiecesList(QWidget *parent)
|
|
: QListWidget(parent)
|
|
{
|
|
setDragEnabled(true);
|
|
setViewMode(QListView::IconMode);
|
|
setIconSize(QSize(60, 60));
|
|
setSpacing(10);
|
|
setAcceptDrops(true);
|
|
setDropIndicatorShown(true);
|
|
}
|
|
|
|
void PiecesList::dragEnterEvent(QDragEnterEvent *event)
|
|
{
|
|
if (event->mimeData()->hasFormat("image/x-puzzle-piece"))
|
|
event->accept();
|
|
else
|
|
event->ignore();
|
|
}
|
|
|
|
void PiecesList::dragMoveEvent(QDragMoveEvent *event)
|
|
{
|
|
if (event->mimeData()->hasFormat("image/x-puzzle-piece")) {
|
|
event->setDropAction(Qt::MoveAction);
|
|
event->accept();
|
|
} else
|
|
event->ignore();
|
|
}
|
|
|
|
void PiecesList::dropEvent(QDropEvent *event)
|
|
{
|
|
if (event->mimeData()->hasFormat("image/x-puzzle-piece")) {
|
|
QByteArray pieceData = event->mimeData()->data("image/x-puzzle-piece");
|
|
QDataStream dataStream(&pieceData, QIODevice::ReadOnly);
|
|
QPixmap pixmap;
|
|
QPoint location;
|
|
dataStream >> pixmap >> location;
|
|
|
|
addPiece(pixmap, location);
|
|
|
|
event->setDropAction(Qt::MoveAction);
|
|
event->accept();
|
|
} else
|
|
event->ignore();
|
|
}
|
|
|
|
void PiecesList::addPiece(QPixmap pixmap, QPoint location)
|
|
{
|
|
QListWidgetItem *pieceItem = new QListWidgetItem(this);
|
|
pieceItem->setIcon(QIcon(pixmap));
|
|
pieceItem->setData(Qt::UserRole, QVariant(pixmap));
|
|
pieceItem->setData(Qt::UserRole+1, location);
|
|
pieceItem->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable
|
|
| Qt::ItemIsDragEnabled);
|
|
}
|
|
|
|
void PiecesList::startDrag(Qt::DropActions /*supportedActions*/)
|
|
{
|
|
QListWidgetItem *item = currentItem();
|
|
|
|
QByteArray itemData;
|
|
QDataStream dataStream(&itemData, QIODevice::WriteOnly);
|
|
QPixmap pixmap = qVariantValue<QPixmap>(item->data(Qt::UserRole));
|
|
QPoint location = item->data(Qt::UserRole+1).toPoint();
|
|
|
|
dataStream << pixmap << location;
|
|
|
|
QMimeData *mimeData = new QMimeData;
|
|
mimeData->setData("image/x-puzzle-piece", itemData);
|
|
|
|
QDrag *drag = new QDrag(this);
|
|
drag->setMimeData(mimeData);
|
|
drag->setHotSpot(QPoint(pixmap.width()/2, pixmap.height()/2));
|
|
drag->setPixmap(pixmap);
|
|
|
|
if (drag->exec(Qt::MoveAction) == Qt::MoveAction)
|
|
delete takeItem(row(item));
|
|
}
|