void SiteIcon::mouseMoveEvent(QMouseEvent* e)
{
if (!m_locationBar || e->buttons() != Qt::LeftButton) {
ToolButton::mouseMoveEvent(e);
return;
}
int manhattanLength = (e->pos() - m_dragStartPosition).manhattanLength();
if (manhattanLength <= QApplication::startDragDistance()) {
ToolButton::mouseMoveEvent(e);
return;
}
const QUrl url = m_locationBar->webView()->url();
const QString title = m_locationBar->webView()->title();
if (url.isEmpty() || title.isEmpty()) {
ToolButton::mouseMoveEvent(e);
return;
}
QDrag* drag = new QDrag(this);
QMimeData* mime = new QMimeData;
mime->setUrls(QList<QUrl>() << url);
mime->setText(title);
mime->setImageData(icon().pixmap(16).toImage());
drag->setMimeData(mime);
drag->setPixmap(QzTools::createPixmapForSite(icon(), title, url.toString()));
drag->exec();
// Restore Down state
setDown(false);
}
bool QtDNDTabBar::event(QEvent* event) {
QMouseEvent* mouseEvent = dynamic_cast<QMouseEvent*>(event);
if (mouseEvent) {
QWidget* childAtPoint = window()->childAt(mapTo(window(), mouseEvent->pos()));
QtDNDTabBar* underMouse = dynamic_cast<QtDNDTabBar*>(childAtPoint);
if (!underMouse && childAtPoint) {
underMouse = dynamic_cast<QtDNDTabBar*>(childAtPoint->parent());
}
if (!underMouse && currentIndex() >= 0) {
// detach and drag
// stop move event
QMouseEvent* finishMoveEvent = new QMouseEvent (QEvent::MouseMove, mouseEvent->pos (), Qt::NoButton, Qt::NoButton, Qt::NoModifier);
QTabBar::event(finishMoveEvent);
delete finishMoveEvent;
finishMoveEvent = NULL;
// start drag
QDrag* drag = new QDrag(this);
QMimeData* mimeData = new QMimeData;
// distinguish tab-reordering drops from other ones
mimeData->setData("action", "application/tab-detach") ;
drag->setMimeData(mimeData);
// set drag image
QRect rect = tabRect( currentIndex() );
#if QT_VERSION >= 0x050000
QPixmap pixmap = grab(rect);
#else
QPixmap pixmap = QPixmap::grabWidget(this, rect);
#endif
QPixmap targetPixmap (pixmap.size ());
QPainter painter (&targetPixmap);
painter.setOpacity(0.9);
painter.drawPixmap(0,0, pixmap);
painter.end ();
drag->setPixmap (targetPixmap);
drag->setHotSpot(QPoint(drag->pixmap().width()/2, drag->pixmap().height()));
dragIndex = currentIndex();
dragText = tabText(dragIndex);
dragWidget = dynamic_cast<QTabWidget*>(parent())->widget(dragIndex);
assert(dragWidget);
dynamic_cast<QTabWidget*>(parent())->removeTab(currentIndex());
Qt::DropAction dropAction = drag->exec();
if (dropAction == Qt::IgnoreAction) {
// aborted drag, put tab back in place
// disable event handling during the insert for the tab to prevent infinite recursion (stack overflow)
dragWidget->blockSignals(true);
dynamic_cast<QTabWidget*>(parent())->insertTab(dragIndex, dragWidget, dragText);
dragWidget->blockSignals(false);
}
return true;
}
}
return QTabBar::event(event);
}
void TreeView::startDrag(Qt::DropActions supportedActions)
{
QModelIndex index = selectedIndexes().value(0);
if (!index.isValid())
return;
QMimeData *data = model()->mimeData(QModelIndexList() << index);
if (!data)
return;
QRect rect;
QPixmap pixmap;
QPoint point;
{
QAbstractItemDelegate *delegate = itemDelegate(index);
QStyleOptionViewItemV4 option = viewOptions();
option.locale = this->locale();
option.locale.setNumberOptions(QLocale::OmitGroupSeparator);
option.widget = this;
option.state |= QStyle::State_Selected;
option.rect = visualRect(index);
point = option.rect.topLeft();
option.rect.moveTo(0, 0);
option.rect.setSize(delegate->sizeHint(option, index));
rect = option.rect;
pixmap = QPixmap(rect.size());
pixmap.fill(Qt::transparent);
QPainter painter(&pixmap);
delegate->paint(&painter, option, index);
}
QDrag *drag = new QDrag(this);
drag->setPixmap(pixmap);
drag->setMimeData(data);
point = QCursor::pos() - viewport()->mapToGlobal(point);
drag->setHotSpot(point);
// drag->setHotSpot(QCursor::pos() - rect.topLeft());
Qt::DropAction setDefaultDropAction = QAbstractItemView::defaultDropAction();
Qt::DropAction defaultDropAction = Qt::IgnoreAction;
if (setDefaultDropAction != Qt::IgnoreAction && (supportedActions & setDefaultDropAction))
defaultDropAction = setDefaultDropAction;
else if (supportedActions & Qt::CopyAction && dragDropMode() != QAbstractItemView::InternalMove)
defaultDropAction = Qt::CopyAction;
if (drag->exec(supportedActions, defaultDropAction) == Qt::IgnoreAction
&& index.data(ItemTypeRole).toInt() == ContactType) {
if (QWidget *widget = QApplication::topLevelAt(QCursor::pos())) {
if (widget->window() == this->window())
return;
}
Event ev("contact-list-drop",
QCursor::pos() - point,
index.data(BuddyRole));
ev.send();
}
// debug() << "DropAction" << drag->exec(supportedActions, defaultDropAction);
// if (drag->exec(supportedActions, defaultDropAction) == Qt::MoveAction)
// d->clearOrRemove();
// {}
}
QDrag *DndFactory::createDrag( const Incidence::Ptr &incidence, QWidget *owner )
{
QDrag *drag = new QDrag( owner );
drag->setMimeData( createMimeData( incidence ) );
drag->setPixmap( BarIcon( incidence->iconName() ) );
return drag;
}
static inline void plViewStartDrag( QAbstractItemView *view, const Qt::DropActions & supportedActions )
{
QDrag *drag = new QDrag( view );
drag->setPixmap( QPixmap( ":/noart64" ) );
drag->setMimeData( view->model()->mimeData(
view->selectionModel()->selectedIndexes() ) );
drag->exec( supportedActions );
}
void ImageWindow::startDrag() {
QDrag *drag = new QDrag(this);
QMimeData *mimeData = new QMimeData();
QByteArray encodedData;
QDataStream stream(&encodedData, QIODevice::WriteOnly);
uintptr_t ptr = reinterpret_cast<uintptr_t>(this);
stream << QVariant::fromValue(ptr);
if(_imageView->mode() == ImageView::MODE_MOUSE) {
mimeData->setData("application/detiqt.genericinterface.stdimgwnd", encodedData);
drag->setPixmap(_imageView->pixmap().scaled(QSize(76,76), Qt::KeepAspectRatio, Qt::FastTransformation));
}
else {
mimeData->setData("application/detiqt.genericinterface.stdimgwnd.copy", encodedData);
drag->setPixmap(_imageView->pixmap().copy(_imageView->select()).scaled(QSize(76,76), Qt::KeepAspectRatio, Qt::FastTransformation));
}
drag->setMimeData(mimeData);
drag->setHotSpot(QPoint(drag->pixmap().width()/2, drag->pixmap().height()/2));
drag->exec();
}
void KSnapshot::slotDragSnapshot()
{
QDrag *drag = new QDrag(this);
drag->setMimeData(new QMimeData);
drag->mimeData()->setImageData(snapshot);
drag->mimeData()->setData("application/x-kde-suggestedfilename", QFileInfo(file_path_).fileName().toUtf8());
drag->setPixmap(preview());
drag->start();
}
void GenomeVectorListView::startDrag(Qt::DropActions supportedActions)
{
QDrag* drag = new QDrag(this);
QMimeData* mimeData = new QMimeData;
mimeData->setData("application/x-qabstractitemmodeldatalist", QByteArray::number(dragStartIndex.row()));
drag->setMimeData(mimeData);
drag->setPixmap(model()->data(dragStartIndex, Qt::DecorationRole).value<QPixmap>());
drag->exec(supportedActions);
selectionModel()->select(qobject_cast<GenomeVector*>(model())->selectedIndex(), QItemSelectionModel::ClearAndSelect);
}
void DeclarativeDragArea::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if ( !m_enabled
|| QLineF(event->screenPos(), event->buttonDownScreenPos(Qt::LeftButton)).length()
< m_startDragDistance) {
return;
}
emit dragStarted();
QDrag *drag = new QDrag(event->widget());
DeclarativeMimeData* dataCopy = new DeclarativeMimeData(m_data); //Qt will take ownership of this copy and delete it.
drag->setMimeData(dataCopy);
if (!m_delegateImage.isNull()) {
drag->setPixmap(QPixmap::fromImage(m_delegateImage));
} else if (m_delegate) {
// Render the delegate to a Pixmap
QDeclarativeItem* item = qobject_cast<QDeclarativeItem *>(m_delegate->create(m_delegate->creationContext()));
QGraphicsScene scene;
scene.addItem(item);
QPixmap pixmap(scene.sceneRect().width(), scene.sceneRect().height());
pixmap.fill(Qt::transparent);
QPainter painter(&pixmap);
painter.setRenderHint(QPainter::Antialiasing);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
scene.render(&painter);
painter.end();
delete item;
drag->setPixmap(pixmap);
}
drag->setHotSpot(QPoint(drag->pixmap().width()/2, drag->pixmap().height()/2)); // TODO: Make a property for that
//setCursor(Qt::OpenHandCursor); //TODO? Make a property for the cursor
Qt::DropAction action = drag->exec(m_supportedActions, m_defaultAction);
emit drop(action);
}
void ColorItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (QLineF(event->screenPos(), event->buttonDownScreenPos(Qt::LeftButton))
.length() < QApplication::startDragDistance()) {
return;
}
QDrag *drag = new QDrag(event->widget());
QMimeData *mime = new QMimeData;
drag->setMimeData(mime);
static int n = 0;
if (n++ > 2 && (qrand() % 3) == 0) {
QImage image(":/images/head.png");
mime->setImageData(image);
drag->setPixmap(QPixmap::fromImage(image).scaled(30, 40));
drag->setHotSpot(QPoint(15, 30));
} else {
mime->setColorData(color);
mime->setText(QString("#%1%2%3")
.arg(color.red(), 2, 16, QLatin1Char('0'))
.arg(color.green(), 2, 16, QLatin1Char('0'))
.arg(color.blue(), 2, 16, QLatin1Char('0')));
QPixmap pixmap(34, 34);
pixmap.fill(Qt::white);
QPainter painter(&pixmap);
painter.translate(15, 15);
painter.setRenderHint(QPainter::Antialiasing);
paint(&painter, 0, 0);
painter.end();
pixmap.setMask(pixmap.createHeuristicMask());
drag->setPixmap(pixmap);
drag->setHotSpot(QPoint(15, 20));
}
drag->exec();
setCursor(Qt::OpenHandCursor);
}
void MainWindow::onBtnCameraDragAndDropPressed() {
QDrag *drag = new QDrag(this);
QMimeData *mimeData = new QMimeData;
drag->setMimeData(mimeData);
drag->setPixmap(QPixmap(":/assets/images/camera.png", 0, Qt::AutoColor));
drag->setHotSpot(QPoint(5, 15));
drag->exec(Qt::CopyAction);
}
//! [2]
void MyWidget::mousePressEvent(QMouseEvent *event)
{
//! [2]
QString text = dataLabel->text();
QPixmap iconPixmap(32, 32);
iconPixmap.fill(qRgba(255, 0, 0, 127));
QImage image(100, 100, QImage::Format_RGB32);
image.fill(qRgb(0, 0, 255));
//! [3]
if (event->button() == Qt::LeftButton) {
QDrag *drag = new QDrag(this);
QMimeData *mimeData = new QMimeData;
mimeData->setText(text);
mimeData->setImageData(image);
drag->setMimeData(mimeData);
drag->setPixmap(iconPixmap);
Qt::DropAction dropAction = drag->exec();
//! [3]
// ...
//! [4]
event->accept();
}
//! [4]
else if (event->button() == Qt::MidButton) {
QDrag *drag = new QDrag(this);
QMimeData *mimeData = new QMimeData;
mimeData->setImageData(image);
drag->setMimeData(mimeData);
drag->setPixmap(iconPixmap);
Qt::DropAction dropAction = drag->exec();
// ...
event->accept();
}
//! [5]
}
void VSCVWidget::videoMouseMove(QMouseEvent *e)
{
VDC_DEBUG( "%s mouseMoveEvent %d\n",__FUNCTION__, m_nId);
//if (e->pos().y() > height() - ui.videoControl->height()) {
if (1) {
//ui.videoControl->show();
emit ShowFocusClicked(m_nId);
m_lastMoveTime = time(NULL);
}
if (m_pStarted == TRUE || m_InstantPbMode == TRUE)
{
if (m_DragStart == TRUE)
{
VDC_DEBUG( "%s mouseMoveEvent %d event x %d\n",__FUNCTION__, m_nId, e->x());
if (abs(e->x() - m_lastDragX) < 5)
{
return;
}
}else if (m_PtzStart == TRUE)
{
if (abs(e->x() - m_lastPtzX) < 10 || abs(e->y() - m_lastPtzY) < 10 )
{
return;
}
gFactory->DrawPtzDirection(m_nPlayId, m_videoWindow,
width()/2, height()/2, e->x(), e->y());
PtzAction(width()/2, height()/2, e->x(), e->y());
m_lastPtzX = e->x();
m_lastPtzY = e->y();
return;
}
else
{
return;
}
u32 nId = m_nId;
m_DragStart = FALSE;
VDC_DEBUG( "%s id %d\n",__FUNCTION__, nId);
QMimeData *mimeData = new QMimeData();
mimeData->setText(QString::number(nId + VWIDGET_ID_OFFSET));
// Create drag
QPixmap pixmap(":/device/resources/camera1.png");
QPainter painter(&pixmap);
QDrag *drag = new QDrag(this);
drag->setMimeData(mimeData);
drag->setPixmap(pixmap);
drag->setHotSpot(QPoint(drag->pixmap().width()/2,
drag->pixmap().height()/2));
drag->exec();
}
}
void StackFolder::activatedDragAndDrop(const KFileItem &item)
{
QMimeData *mime = new QMimeData;
QList<QUrl> urls;
urls.append(item.url());
mime->setUrls(urls);
QDrag *drag = new QDrag(view());
drag->setMimeData(mime);
QString local_path = item.localPath();
PreviewGenerator *gen = PreviewGenerator::createInstance();
Q_ASSERT(gen != 0);
if (gen->hasPreviewPixmap(local_path)) {
drag->setPixmap(gen->getPreviewPixmap(item.localPath()).scaled(KIconLoader::SizeMedium, KIconLoader::SizeMedium, Qt::KeepAspectRatio));
}
else
drag->setPixmap(item.pixmap(0));
drag->exec(Qt::CopyAction | Qt::MoveAction | Qt::LinkAction, Qt::CopyAction);
}
void InlineView::startDrag(Qt::DropActions supportedActions)
{
QMimeData *mimeData = new QMimeData;
QByteArray data = currentItem()->text().toLocal8Bit();
mimeData->setData("text/inline", data);
QDrag *drag = new QDrag(this);
drag->setMimeData(mimeData);
drag->setPixmap(currentItem()->icon().pixmap(48, 48));
drag->exec(Qt::CopyAction);
clearSelection();
}
/**
* QT 4.7.1 拖拽的函数默认调用过程:
*
* Model.supportedDropActions()
*
* View.startDrag()
* Model.mimeData() // 获取拖拽数据
* Model.supportedDragActions()
* Model.supportedDropActions()
* QDrag.exec() // 阻塞，直到拖拽结束
*
* // 在拖拽过程中，如果拖拽进入某个节点
* View.dragEnterEvent() // 默认实现会拒绝拖拽，需要重写并调用 QDragEnterEvent.acceptProposedAction()
* Model.mimeTypes()
* View.dragMoveEvent()
* Model.mimeTypes()
* View.dragLeaveEvent()
*
* // 拖拽结束后
* View.dropEvent()
* Model.dropMimeData() // QT用来接收数据
*
* // exec()执行完后，如果是 MoveAction，则调用
* Model.removeSelectedRows() // QT用来删除数据
*
* 上述默认过程对跨 View 拖放支持不好, 下面的startDrag()函数摘自默认实现，并
* 将部分代码替换掉以免调用removeSelectedRows()函数
*/
void DirectoryTree::startDrag(Qt::DropActions)
{
const QModelIndexList indexes = selectedIndexes();
if (indexes.count() == 0)
return;
// setup pixmap
QRect rect = visualRect(indexes.at(0));
QList<QRect> rects;
for (size_t i = 0, s = indexes.count(); i < s; ++i)
{
rects.append(visualRect(indexes.at(i)));
rect |= rects.at(i);
}
rect = rect.intersected(viewport()->rect());
QPixmap pixmap(rect.size());
pixmap.fill(palette().base().color());
QPainter painter(&pixmap);
QStyleOptionViewItem option = viewOptions();
option.state |= QStyle::State_Selected;
for (size_t j = 0, s = indexes.count(); j < s; ++j)
{
option.rect = QRect(rects.at(j).topLeft() - rect.topLeft(),
rects.at(j).size());
itemDelegate()->paint(&painter, option, indexes.at(j));
}
painter.end();
// create drag object
QDrag *drag = new QDrag(this);
drag->setPixmap(pixmap);
drag->setMimeData(model()->mimeData(indexes));
drag->setHotSpot(viewport()->mapFromGlobal(QCursor::pos()) - rect.topLeft());
/**
* 在拖动之前，先把 parent 和 row 保存下来，
* 在 Model.dropMimeData() 中统一进行底层数据和视图层数据的修改，
* 避免索引混乱
*/
DirectoryTreeModel *m = (DirectoryTreeModel*) model();
QModelIndex parent = indexes.at(0).parent();
int row = indexes.at(0).row();
m->prepare_draging_drop(parent, row);
/*
* 这里的原来的实现 removeSelectedRows() 是我们不需要的, 且 QDrag->start() 总是允许 Qt::CopyAction
* 而我们需要的是，内部用 Qt::MoveAction，外部用 Qt::CopyAction且内部不支持 Qt::CopyAction且内部不支持
* Qt::CopyAction，否则导致错误
*
if (drag->start(supportedActions) == Qt::MoveAction)
removeSelectedRows();
*/
drag->exec(Qt::MoveAction | Qt::CopyAction, Qt::MoveAction);
}
void CSVWorld::DragRecordTable::startDragFromTable (const CSVWorld::DragRecordTable& table)
{
CSMWorld::TableMimeData* mime = new CSMWorld::TableMimeData (table.getDraggedRecords(), mDocument);
if (mime)
{
QDrag* drag = new QDrag (this);
drag->setMimeData (mime);
drag->setPixmap (QString::fromUtf8 (mime->getIcon().c_str()));
drag->exec (Qt::CopyAction);
}
}
void CCardLabel::mouseMoveEvent(QMouseEvent *ev)
{
if (mLockButton)
{
mLockButton->setVisible(mLockButton->isChecked()
|| (mCard.isValid() && mLockButton->geometry().contains(ev->pos())));
}
if (mLastLeftClickPos && mCard.isValid())
{
QLineF moveLine(ev->globalPos(), *mLastLeftClickPos);
if (moveLine.length() >= QApplication::startDragDistance())
{
QDrag *drag = new QDrag(this);
QMimeData *dragData = createCardLabelDropData(*this);
drag->setMimeData(dragData);
drag->setHotSpot(ev->pos());
const QPixmap *unitImg = pixmap();
if (unitImg)
{
int w = unitImg->width() / 2;
int h = unitImg->height() / 2;
QPixmap dragImg(w, h);
dragImg.fill(Qt::transparent);
QPainter painter(&dragImg);
painter.setOpacity(0.75);
painter.drawPixmap(0, 0, w, h, unitImg->scaled(w, h, Qt::KeepAspectRatio, Qt::SmoothTransformation));
painter.end();
drag->setPixmap(dragImg);
}
if (QApplication::keyboardModifiers() == Qt::ControlModifier || !acceptDrops())
{
drag->exec(Qt::CopyAction);
}
else
{
CCard cardBuf = mCard;
bool lockBuf = isLocked();
setCard(CCard::INVALID_CARD);
setLocked(false);
if (!drag->exec(Qt::MoveAction))
{
setCard(cardBuf);
setLocked(lockBuf);
}
}
delete mLastLeftClickPos;
mLastLeftClickPos = 0;
emit unitDragged();
}
}
}
void TeamPokeButton::startDrag()
{
QMimeData * data = new QMimeData();
data->setText(this->text());
data->setImageData(*pokeIcon->pixmap());
QDrag * drag = new QDrag(this);
drag->setMimeData(data);
drag->setPixmap(*pokeIcon->pixmap());
drag->exec(Qt::MoveAction);
emit clicked();
}
void paramBtn::createInputLeaveDrag(QMouseEvent *event ){
qDebug( " paramBtn::createInputLeaveDrag()\n");
emit tellviewdeleteline(this->moduleid,this->paramId,connectedoutputmoduleid,connectedoutputparamid);
QDrag *drag = new QDrag(this);
//drag->setDragCursor(QPixmap("image/ports/01.png"),Qt::MoveAction);
drag->setHotSpot(QPoint(event->pos() - rect().topLeft()));
switch (connectedoutputshape)//端口的类型10种情况
{
case 5:
drag->setPixmap(QPixmap(":/image/ports/01.png"));
break;
case 6:
drag->setPixmap(QPixmap(":/image/ports/02.png"));
break;
case 7:
drag->setPixmap(QPixmap(":/image/ports/03.png"));
break;
case 8:
drag->setPixmap(QPixmap(":/image/ports/04.png"));
break;
case 10:
drag->setPixmap(QPixmap(":/image/ports/09.png"));
break;
}
QMimeData *mime = new QMimeData;
QString send_Msg = QString::number(connectedoutputmoduleid);
send_Msg += "|4|";//添加标志位，用于表示此时需要画线操作
QString pid = QString::number(connectedoutputparamid);
send_Msg += pid;
send_Msg +="|";
send_Msg +=QString::number(connectedoutputshape);
qDebug()<<send_Msg;
mime->setText(send_Msg);
drag->setMimeData(mime);
drag->start(Qt::MoveAction);
}
void TabBar::mouseMoveEvent(QMouseEvent *event)
{
if(!(event->buttons() & Qt::LeftButton) || !tabsClosable())
return PlusTabBar::mouseMoveEvent(event);
if((event->pos() - m_startDragPos).manhattanLength() < QApplication::startDragDistance())
return PlusTabBar::mouseMoveEvent(event);
int idx = tabAt(event->pos());
if(idx == -1)
return PlusTabBar::mouseMoveEvent(event);
event->accept();
QDrag *drag = new QDrag(this);
tabView()->createSplitOverlay(m_id, drag);
QStyleOptionTabV3 tab;
initStyleOption(&tab, idx);
QWidget *tabWidget = ((QTabWidget*)parent())->widget(idx);
QPixmap wMap(tabWidget->size());
tabWidget->render(&wMap);
if(wMap.width() > 400 || wMap.height() > 400)
wMap = wMap.scaled(400, 400, Qt::KeepAspectRatio,
sConfig.get(CFG_BOOL_SMOOTH_SCALING) ? Qt::SmoothTransformation : Qt::FastTransformation);
QSize size = tabRect(idx).size();
size.rwidth() = std::max(wMap.width(), size.width());
size.rheight() += wMap.height();
QPixmap map(size);
map.fill(Qt::transparent);
QStylePainter p(&map, this);
p.initFrom(this);
p.drawItemPixmap(QRect(0, tab.rect.height()-5, wMap.width(), wMap.height()), 0, wMap);
tab.rect.moveTopLeft(QPoint(0, 0));
p.drawControl(QStyle::CE_TabBarTab, tab);
p.end();
QMimeData *mime = new QMimeData();
mime->setData("data/tabinfo", QString("%1 %2 %3").arg(m_id).arg(idx).arg(tabView()->getWindowId()).toLatin1());
drag->setPixmap(map);
drag->setMimeData(mime);
drag->exec();
delete drag;
}
void AppListView::startDrag(const QModelIndex &index)
{
if (!index.isValid())
return;
AppsListModel *listModel = qobject_cast<AppsListModel *>(model());
if (!listModel)
return;
const QModelIndex &dragIndex = index;
const QString appKey = index.data(AppsListModel::AppKeyRole).toString();
const QPixmap pixmap = index.data(AppsListModel::AppIconRole).value<QPixmap>();
QDrag *drag = new QDrag(this);
drag->setMimeData(model()->mimeData(QModelIndexList() << dragIndex));
drag->setPixmap(pixmap.scaled(DLauncher::APP_DRAG_ICON_SIZE, DLauncher::APP_DRAG_ICON_SIZE, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
drag->setHotSpot(QPoint(DLauncher::APP_DRAG_ICON_SIZE, DLauncher::APP_DRAG_ICON_SIZE) / 2);
// request remove current item.
if (listModel->category() == AppsListModel::All)
{
m_dropToPos = index.row();
listModel->setDragingIndex(index);
}
drag->exec(Qt::MoveAction);
// disable animation when finally dropped
m_dropThresholdTimer->stop();
// disable auto scroll
emit requestScrollStop();
if (listModel->category() != AppsListModel::All)
return;
if (!m_lastFakeAni)
{
if (m_enableDropInside)
listModel->dropSwap(m_dropToPos);
else
listModel->dropSwap(indexAt(m_dragStartPos).row());
listModel->clearDragingIndex();
}
else
{
connect(m_lastFakeAni, &QPropertyAnimation::finished, listModel, &AppsListModel::clearDragingIndex);
}
m_enableDropInside = false;
}
// ************************************************************
void SymbolWidget::mouseMoveEvent(QMouseEvent*)
{
QDrag *drag = new QDrag(this);
QMimeData *mimeData = new QMimeData;
mimeData->setText("QucsComponent:"+theModel());
drag->setMimeData(mimeData);
drag->setPixmap( QPixmap(empty_xpm));
drag->setHotSpot(QPoint(drag->pixmap().width()/2,drag->pixmap().height()));
drag->exec();
}
//![0]
void SourceWidget::startDrag()
{
mimeData = new MimeData;
connect(mimeData, SIGNAL(dataRequested(QString)),
this, SLOT(createData(QString)), Qt::DirectConnection);
QDrag *drag = new QDrag(this);
drag->setMimeData(mimeData);
drag->setPixmap(QPixmap(":/images/drag.png"));
drag->exec(Qt::CopyAction);
}
void BlockButton::mouseMoveEvent( QMouseEvent *event )
{
#ifndef ANDROID
assert(block);
QDrag *drag = new QDrag(this);
drag->setMimeData(block->mimeData());
drag->setPixmap(QPixmap::fromImage(block->translucidImage(vpl->getViewScale())));
const qreal thisScale = width() / 256.;
drag->setHotSpot(event->pos()*vpl->getViewScale() / thisScale);
drag->exec(Qt::CopyAction);
#endif // ANDROID
}
void startActionDrag(QWidget *dragParent, ActionModel *model, const QModelIndexList &indexes, Qt::DropActions supportedActions)
{
if (indexes.empty())
return;
QDrag *drag = new QDrag(dragParent);
QMimeData *data = model->mimeData(indexes);
drag->setMimeData(data);
if (ActionRepositoryMimeData *actionMimeData = qobject_cast<ActionRepositoryMimeData *>(data))
drag->setPixmap(ActionRepositoryMimeData::actionDragPixmap(actionMimeData->actionList().front()));
drag->start(supportedActions);
}
void DragHandle::mouseMoveEvent(QMouseEvent* ev) {
assert(_panel != NULL);
if(!_panel || !_pressed || (ev->pos() - _clickPosition).manhattanLength() < QApplication::startDragDistance())
return;
QDrag* drag = new QDrag(_panel);
PanelMimeType* mimedata = new PanelMimeType();
mimedata->setPanel(_panel);
drag->setMimeData(mimedata);
drag->setPixmap(_panel->view()->snapshot(QSize(100,100)));
drag->exec(Qt::MoveAction);
}
void PaletteTree::DraggableElement::mousePressEvent(QMouseEvent *event)
{
QWidget *atMouse = childAt(event->pos());
if (!atMouse || atMouse == this) {
return;
}
DraggableElement *child = dynamic_cast<DraggableElement *>(atMouse->parent());
if (!child) {
child = dynamic_cast<DraggableElement *>(atMouse);
}
if (!child) {
return;
}
Q_ASSERT(child->id().idSize() == 3); // it should be element type
// new element's ID is being generated here
// may this epic event should take place in some more appropriate place
Id elementId(child->id(), QUuid::createUuid().toString());
QByteArray itemData;
bool isFromLogicalModel = false;
QDataStream stream(&itemData, QIODevice::WriteOnly);
stream << elementId.toString(); // uuid
stream << Id::rootId().toString(); // pathToItem
stream << QString("(" + child->text() + ")");
stream << QPointF(0, 0);
stream << isFromLogicalModel;
QMimeData *mimeData = new QMimeData;
mimeData->setData("application/x-real-uml-data", itemData);
QDrag *drag = new QDrag(this);
drag->setMimeData(mimeData);
QPixmap p = child->icon().pixmap(96, 96);
if (!p.isNull()) {
drag->setPixmap(child->icon().pixmap(96, 96));
}
if (drag->start(Qt::CopyAction | Qt::MoveAction) == Qt::MoveAction) {
child->close();
} else {
child->show();
}
}
void ProjectListWidget::startDrag()
{
QListWidgetItem *item = currentItem();
if (item) {
QMimeData *mimeData = new QMimeData;
mimeData->setText(item->text());
QDrag *drag = new QDrag(this);
drag->setMimeData(mimeData);
drag->setPixmap(QPixmap(":/images/person.png"));
if (drag->start(Qt::MoveAction) == Qt::MoveAction)
delete item;
}
}
void ClassItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (QLineF(event->screenPos(), event->buttonDownScreenPos(Qt::LeftButton)).length() < QApplication::startDragDistance()) {
return;
}
qfLogFuncFrame();
setCursor(Qt::ClosedHandCursor);
QDrag *drag = new QDrag(event->widget());
QMimeData *mime = new QMimeData;
drag->setMimeData(mime);
{
QVariantMap m;
auto &dt = data();
int slot_ix = dt.startSlotIndex();
int class_ix = dt.classIndex();
m[QStringLiteral("slotIndex")] = slot_ix;
m[QStringLiteral("classIndex")] = class_ix;
QJsonDocument jsd = QJsonDocument::fromVariant(m);
QString mime_text = QString::fromUtf8(jsd.toJson());
qfDebug() << "mime:" << mime_text;
mime->setText(mime_text);
QPixmap pixmap(rect().size().toSize());
pixmap.fill(Qt::white);
QPainter painter(&pixmap);
//painter.translate(15, 15);
painter.setRenderHint(QPainter::Antialiasing);
QStyleOptionGraphicsItem opt;
paint(&painter, &opt, 0);
{
m_classText->paint(&painter, &opt, nullptr);
painter.translate(m_courseText->pos());
m_courseText->paint(&painter, &opt, nullptr);
painter.translate(m_classdefsText->pos() - m_courseText->pos());
m_classdefsText->paint(&painter, &opt, nullptr);
}
painter.end();
//pixmap.setMask(pixmap.createHeuristicMask());
drag->setPixmap(pixmap);
drag->setHotSpot(QPoint(5 * ganttScene()->displayUnit(), 0));
}
Qt::DropAction act = drag->exec();
qfDebug() << "drag exit:" << act;
if(act == Qt::MoveAction) {
}
setCursor(Qt::ArrowCursor);
}